Move libapps.a source to apps/lib

This makes it clearer what's what.  The 'openssl' application and its
sub-commands remain in apps/

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/9723)

1 files changed, 0 insertions, 1521 deletions

diff --git a/apps/s_cb.c b/apps/s_cb.c
deleted file mode 100644
index 47b8afe9ef..0000000000
--- a/apps/s_cb.c
+++ /dev/null
@@ -1,1521 +0,0 @@
-/*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (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
- */
-
-/* callback functions used by s_client, s_server, and s_time */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h> /* for memcpy() and strcmp() */
-#include "apps.h"
-#include <openssl/err.h>
-#include <openssl/rand.h>
-#include <openssl/x509.h>
-#include <openssl/ssl.h>
-#include <openssl/bn.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
-#include "s_apps.h"
-
-#define COOKIE_SECRET_LENGTH    16
-
-VERIFY_CB_ARGS verify_args = { -1, 0, X509_V_OK, 0 };
-
-#ifndef OPENSSL_NO_SOCK
-static unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
-static int cookie_initialized = 0;
-#endif
-static BIO *bio_keylog = NULL;
-
-static const char *lookup(int val, const STRINT_PAIR* list, const char* def)
-{
-    for ( ; list->name; ++list)
-        if (list->retval == val)
-            return list->name;
-    return def;
-}
-
-int verify_callback(int ok, X509_STORE_CTX *ctx)
-{
-    X509 *err_cert;
-    int err, depth;
-
-    err_cert = X509_STORE_CTX_get_current_cert(ctx);
-    err = X509_STORE_CTX_get_error(ctx);
-    depth = X509_STORE_CTX_get_error_depth(ctx);
-
-    if (!verify_args.quiet || !ok) {
-        BIO_printf(bio_err, "depth=%d ", depth);
-        if (err_cert != NULL) {
-            X509_NAME_print_ex(bio_err,
-                               X509_get_subject_name(err_cert),
-                               0, get_nameopt());
-            BIO_puts(bio_err, "\n");
-        } else {
-            BIO_puts(bio_err, "<no cert>\n");
-        }
-    }
-    if (!ok) {
-        BIO_printf(bio_err, "verify error:num=%d:%s\n", err,
-                   X509_verify_cert_error_string(err));
-        if (verify_args.depth < 0 || verify_args.depth >= depth) {
-            if (!verify_args.return_error)
-                ok = 1;
-            verify_args.error = err;
-        } else {
-            ok = 0;
-            verify_args.error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
-        }
-    }
-    switch (err) {
-    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
-        BIO_puts(bio_err, "issuer= ");
-        X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
-                           0, get_nameopt());
-        BIO_puts(bio_err, "\n");
-        break;
-    case X509_V_ERR_CERT_NOT_YET_VALID:
-    case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
-        BIO_printf(bio_err, "notBefore=");
-        ASN1_TIME_print(bio_err, X509_get0_notBefore(err_cert));
-        BIO_printf(bio_err, "\n");
-        break;
-    case X509_V_ERR_CERT_HAS_EXPIRED:
-    case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
-        BIO_printf(bio_err, "notAfter=");
-        ASN1_TIME_print(bio_err, X509_get0_notAfter(err_cert));
-        BIO_printf(bio_err, "\n");
-        break;
-    case X509_V_ERR_NO_EXPLICIT_POLICY:
-        if (!verify_args.quiet)
-            policies_print(ctx);
-        break;
-    }
-    if (err == X509_V_OK && ok == 2 && !verify_args.quiet)
-        policies_print(ctx);
-    if (ok && !verify_args.quiet)
-        BIO_printf(bio_err, "verify return:%d\n", ok);
-    return ok;
-}
-
-int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
-{
-    if (cert_file != NULL) {
-        if (SSL_CTX_use_certificate_file(ctx, cert_file,
-                                         SSL_FILETYPE_PEM) <= 0) {
-            BIO_printf(bio_err, "unable to get certificate from '%s'\n",
-                       cert_file);
-            ERR_print_errors(bio_err);
-            return 0;
-        }
-        if (key_file == NULL)
-            key_file = cert_file;
-        if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) {
-            BIO_printf(bio_err, "unable to get private key from '%s'\n",
-                       key_file);
-            ERR_print_errors(bio_err);
-            return 0;
-        }
-
-        /*
-         * If we are using DSA, we can copy the parameters from the private
-         * key
-         */
-
-        /*
-         * Now we know that a key and cert have been set against the SSL
-         * context
-         */
-        if (!SSL_CTX_check_private_key(ctx)) {
-            BIO_printf(bio_err,
-                       "Private key does not match the certificate public key\n");
-            return 0;
-        }
-    }
-    return 1;
-}
-
-int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
-                       STACK_OF(X509) *chain, int build_chain)
-{
-    int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
-    if (cert == NULL)
-        return 1;
-    if (SSL_CTX_use_certificate(ctx, cert) <= 0) {
-        BIO_printf(bio_err, "error setting certificate\n");
-        ERR_print_errors(bio_err);
-        return 0;
-    }
-
-    if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) {
-        BIO_printf(bio_err, "error setting private key\n");
-        ERR_print_errors(bio_err);
-        return 0;
-    }
-
-    /*
-     * Now we know that a key and cert have been set against the SSL context
-     */
-    if (!SSL_CTX_check_private_key(ctx)) {
-        BIO_printf(bio_err,
-                   "Private key does not match the certificate public key\n");
-        return 0;
-    }
-    if (chain && !SSL_CTX_set1_chain(ctx, chain)) {
-        BIO_printf(bio_err, "error setting certificate chain\n");
-        ERR_print_errors(bio_err);
-        return 0;
-    }
-    if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) {
-        BIO_printf(bio_err, "error building certificate chain\n");
-        ERR_print_errors(bio_err);
-        return 0;
-    }
-    return 1;
-}
-
-static STRINT_PAIR cert_type_list[] = {
-    {"RSA sign", TLS_CT_RSA_SIGN},
-    {"DSA sign", TLS_CT_DSS_SIGN},
-    {"RSA fixed DH", TLS_CT_RSA_FIXED_DH},
-    {"DSS fixed DH", TLS_CT_DSS_FIXED_DH},
-    {"ECDSA sign", TLS_CT_ECDSA_SIGN},
-    {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH},
-    {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH},
-    {"GOST01 Sign", TLS_CT_GOST01_SIGN},
-    {NULL}
-};
-
-static void ssl_print_client_cert_types(BIO *bio, SSL *s)
-{
-    const unsigned char *p;
-    int i;
-    int cert_type_num = SSL_get0_certificate_types(s, &p);
-    if (!cert_type_num)
-        return;
-    BIO_puts(bio, "Client Certificate Types: ");
-    for (i = 0; i < cert_type_num; i++) {
-        unsigned char cert_type = p[i];
-        const char *cname = lookup((int)cert_type, cert_type_list, NULL);
-
-        if (i)
-            BIO_puts(bio, ", ");
-        if (cname != NULL)
-            BIO_puts(bio, cname);
-        else
-            BIO_printf(bio, "UNKNOWN (%d),", cert_type);
-    }
-    BIO_puts(bio, "\n");
-}
-
-static const char *get_sigtype(int nid)
-{
-    switch (nid) {
-    case EVP_PKEY_RSA:
-        return "RSA";
-
-    case EVP_PKEY_RSA_PSS:
-        return "RSA-PSS";
-
-    case EVP_PKEY_DSA:
-        return "DSA";
-
-     case EVP_PKEY_EC:
-        return "ECDSA";
-
-     case NID_ED25519:
-        return "Ed25519";
-
-     case NID_ED448:
-        return "Ed448";
-
-     case NID_id_GostR3410_2001:
-        return "gost2001";
-
-     case NID_id_GostR3410_2012_256:
-        return "gost2012_256";
-
-     case NID_id_GostR3410_2012_512:
-        return "gost2012_512";
-
-    default:
-        return NULL;
-    }
-}
-
-static int do_print_sigalgs(BIO *out, SSL *s, int shared)
-{
-    int i, nsig, client;
-    client = SSL_is_server(s) ? 0 : 1;
-    if (shared)
-        nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL);
-    else
-        nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
-    if (nsig == 0)
-        return 1;
-
-    if (shared)
-        BIO_puts(out, "Shared ");
-
-    if (client)
-        BIO_puts(out, "Requested ");
-    BIO_puts(out, "Signature Algorithms: ");
-    for (i = 0; i < nsig; i++) {
-        int hash_nid, sign_nid;
-        unsigned char rhash, rsign;
-        const char *sstr = NULL;
-        if (shared)
-            SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
-                                   &rsign, &rhash);
-        else
-            SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash);
-        if (i)
-            BIO_puts(out, ":");
-        sstr = get_sigtype(sign_nid);
-        if (sstr)
-            BIO_printf(out, "%s", sstr);
-        else
-            BIO_printf(out, "0x%02X", (int)rsign);
-        if (hash_nid != NID_undef)
-            BIO_printf(out, "+%s", OBJ_nid2sn(hash_nid));
-        else if (sstr == NULL)
-            BIO_printf(out, "+0x%02X", (int)rhash);
-    }
-    BIO_puts(out, "\n");
-    return 1;
-}
-
-int ssl_print_sigalgs(BIO *out, SSL *s)
-{
-    int nid;
-    if (!SSL_is_server(s))
-        ssl_print_client_cert_types(out, s);
-    do_print_sigalgs(out, s, 0);
-    do_print_sigalgs(out, s, 1);
-    if (SSL_get_peer_signature_nid(s, &nid) && nid != NID_undef)
-        BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid));
-    if (SSL_get_peer_signature_type_nid(s, &nid))
-        BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid));
-    return 1;
-}
-
-#ifndef OPENSSL_NO_EC
-int ssl_print_point_formats(BIO *out, SSL *s)
-{
-    int i, nformats;
-    const char *pformats;
-    nformats = SSL_get0_ec_point_formats(s, &pformats);
-    if (nformats <= 0)
-        return 1;
-    BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
-    for (i = 0; i < nformats; i++, pformats++) {
-        if (i)
-            BIO_puts(out, ":");
-        switch (*pformats) {
-        case TLSEXT_ECPOINTFORMAT_uncompressed:
-            BIO_puts(out, "uncompressed");
-            break;
-
-        case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
-            BIO_puts(out, "ansiX962_compressed_prime");
-            break;
-
-        case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
-            BIO_puts(out, "ansiX962_compressed_char2");
-            break;
-
-        default:
-            BIO_printf(out, "unknown(%d)", (int)*pformats);
-            break;
-
-        }
-    }
-    BIO_puts(out, "\n");
-    return 1;
-}
-
-int ssl_print_groups(BIO *out, SSL *s, int noshared)
-{
-    int i, ngroups, *groups, nid;
-    const char *gname;
-
-    ngroups = SSL_get1_groups(s, NULL);
-    if (ngroups <= 0)
-        return 1;
-    groups = app_malloc(ngroups * sizeof(int), "groups to print");
-    SSL_get1_groups(s, groups);
-
-    BIO_puts(out, "Supported Elliptic Groups: ");
-    for (i = 0; i < ngroups; i++) {
-        if (i)
-            BIO_puts(out, ":");
-        nid = groups[i];
-        /* If unrecognised print out hex version */
-        if (nid & TLSEXT_nid_unknown) {
-            BIO_printf(out, "0x%04X", nid & 0xFFFF);
-        } else {
-            /* TODO(TLS1.3): Get group name here */
-            /* Use NIST name for curve if it exists */
-            gname = EC_curve_nid2nist(nid);
-            if (gname == NULL)
-                gname = OBJ_nid2sn(nid);
-            BIO_printf(out, "%s", gname);
-        }
-    }
-    OPENSSL_free(groups);
-    if (noshared) {
-        BIO_puts(out, "\n");
-        return 1;
-    }
-    BIO_puts(out, "\nShared Elliptic groups: ");
-    ngroups = SSL_get_shared_group(s, -1);
-    for (i = 0; i < ngroups; i++) {
-        if (i)
-            BIO_puts(out, ":");
-        nid = SSL_get_shared_group(s, i);
-        /* TODO(TLS1.3): Convert for DH groups */
-        gname = EC_curve_nid2nist(nid);
-        if (gname == NULL)
-            gname = OBJ_nid2sn(nid);
-        BIO_printf(out, "%s", gname);
-    }
-    if (ngroups == 0)
-        BIO_puts(out, "NONE");
-    BIO_puts(out, "\n");
-    return 1;
-}
-#endif
-
-int ssl_print_tmp_key(BIO *out, SSL *s)
-{
-    EVP_PKEY *key;
-
-    if (!SSL_get_peer_tmp_key(s, &key))
-        return 1;
-    BIO_puts(out, "Server Temp Key: ");
-    switch (EVP_PKEY_id(key)) {
-    case EVP_PKEY_RSA:
-        BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
-        break;
-
-    case EVP_PKEY_DH:
-        BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
-        break;
-#ifndef OPENSSL_NO_EC
-    case EVP_PKEY_EC:
-        {
-            EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
-            int nid;
-            const char *cname;
-            nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
-            EC_KEY_free(ec);
-            cname = EC_curve_nid2nist(nid);
-            if (cname == NULL)
-                cname = OBJ_nid2sn(nid);
-            BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key));
-        }
-    break;
-#endif
-    default:
-        BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key)),
-                   EVP_PKEY_bits(key));
-    }
-    EVP_PKEY_free(key);
-    return 1;
-}
-
-long bio_dump_callback(BIO *bio, int cmd, const char *argp,
-                       int argi, long argl, long ret)
-{
-    BIO *out;
-
-    out = (BIO *)BIO_get_callback_arg(bio);
-    if (out == NULL)
-        return ret;
-
-    if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) {
-        BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
-                   (void *)bio, (void *)argp, (unsigned long)argi, ret, ret);
-        BIO_dump(out, argp, (int)ret);
-        return ret;
-    } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) {
-        BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
-                   (void *)bio, (void *)argp, (unsigned long)argi, ret, ret);
-        BIO_dump(out, argp, (int)ret);
-    }
-    return ret;
-}
-
-void apps_ssl_info_callback(const SSL *s, int where, int ret)
-{
-    const char *str;
-    int w;
-
-    w = where & ~SSL_ST_MASK;
-
-    if (w & SSL_ST_CONNECT)
-        str = "SSL_connect";
-    else if (w & SSL_ST_ACCEPT)
-        str = "SSL_accept";
-    else
-        str = "undefined";
-
-    if (where & SSL_CB_LOOP) {
-        BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s));
-    } else if (where & SSL_CB_ALERT) {
-        str = (where & SSL_CB_READ) ? "read" : "write";
-        BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n",
-                   str,
-                   SSL_alert_type_string_long(ret),
-                   SSL_alert_desc_string_long(ret));
-    } else if (where & SSL_CB_EXIT) {
-        if (ret == 0)
-            BIO_printf(bio_err, "%s:failed in %s\n",
-                       str, SSL_state_string_long(s));
-        else if (ret < 0)
-            BIO_printf(bio_err, "%s:error in %s\n",
-                       str, SSL_state_string_long(s));
-    }
-}
-
-static STRINT_PAIR ssl_versions[] = {
-    {"SSL 3.0", SSL3_VERSION},
-    {"TLS 1.0", TLS1_VERSION},
-    {"TLS 1.1", TLS1_1_VERSION},
-    {"TLS 1.2", TLS1_2_VERSION},
-    {"TLS 1.3", TLS1_3_VERSION},
-    {"DTLS 1.0", DTLS1_VERSION},
-    {"DTLS 1.0 (bad)", DTLS1_BAD_VER},
-    {NULL}
-};
-
-static STRINT_PAIR alert_types[] = {
-    {" close_notify", 0},
-    {" end_of_early_data", 1},
-    {" unexpected_message", 10},
-    {" bad_record_mac", 20},
-    {" decryption_failed", 21},
-    {" record_overflow", 22},
-    {" decompression_failure", 30},
-    {" handshake_failure", 40},
-    {" bad_certificate", 42},
-    {" unsupported_certificate", 43},
-    {" certificate_revoked", 44},
-    {" certificate_expired", 45},
-    {" certificate_unknown", 46},
-    {" illegal_parameter", 47},
-    {" unknown_ca", 48},
-    {" access_denied", 49},
-    {" decode_error", 50},
-    {" decrypt_error", 51},
-    {" export_restriction", 60},
-    {" protocol_version", 70},
-    {" insufficient_security", 71},
-    {" internal_error", 80},
-    {" inappropriate_fallback", 86},
-    {" user_canceled", 90},
-    {" no_renegotiation", 100},
-    {" missing_extension", 109},
-    {" unsupported_extension", 110},
-    {" certificate_unobtainable", 111},
-    {" unrecognized_name", 112},
-    {" bad_certificate_status_response", 113},
-    {" bad_certificate_hash_value", 114},
-    {" unknown_psk_identity", 115},
-    {" certificate_required", 116},
-    {NULL}
-};
-
-static STRINT_PAIR handshakes[] = {
-    {", HelloRequest", SSL3_MT_HELLO_REQUEST},
-    {", ClientHello", SSL3_MT_CLIENT_HELLO},
-    {", ServerHello", SSL3_MT_SERVER_HELLO},
-    {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST},
-    {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET},
-    {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA},
-    {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS},
-    {", Certificate", SSL3_MT_CERTIFICATE},
-    {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE},
-    {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST},
-    {", ServerHelloDone", SSL3_MT_SERVER_DONE},
-    {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY},
-    {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE},
-    {", Finished", SSL3_MT_FINISHED},
-    {", CertificateUrl", SSL3_MT_CERTIFICATE_URL},
-    {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS},
-    {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA},
-    {", KeyUpdate", SSL3_MT_KEY_UPDATE},
-#ifndef OPENSSL_NO_NEXTPROTONEG
-    {", NextProto", SSL3_MT_NEXT_PROTO},
-#endif
-    {", MessageHash", SSL3_MT_MESSAGE_HASH},
-    {NULL}
-};
-
-void msg_cb(int write_p, int version, int content_type, const void *buf,
-            size_t len, SSL *ssl, void *arg)
-{
-    BIO *bio = arg;
-    const char *str_write_p = write_p ? ">>>" : "<<<";
-    const char *str_version = lookup(version, ssl_versions, "???");
-    const char *str_content_type = "", *str_details1 = "", *str_details2 = "";
-    const unsigned char* bp = buf;
-
-    if (version == SSL3_VERSION ||
-        version == TLS1_VERSION ||
-        version == TLS1_1_VERSION ||
-        version == TLS1_2_VERSION ||
-        version == TLS1_3_VERSION ||
-        version == DTLS1_VERSION || version == DTLS1_BAD_VER) {
-        switch (content_type) {
-        case 20:
-            str_content_type = ", ChangeCipherSpec";
-            break;
-        case 21:
-            str_content_type = ", Alert";
-            str_details1 = ", ???";
-            if (len == 2) {
-                switch (bp[0]) {
-                case 1:
-                    str_details1 = ", warning";
-                    break;
-                case 2:
-                    str_details1 = ", fatal";
-                    break;
-                }
-                str_details2 = lookup((int)bp[1], alert_types, " ???");
-            }
-            break;
-        case 22:
-            str_content_type = ", Handshake";
-            str_details1 = "???";
-            if (len > 0)
-                str_details1 = lookup((int)bp[0], handshakes, "???");
-            break;
-        case 23:
-            str_content_type = ", ApplicationData";
-            break;
-        }
-    }
-
-    BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version,
-               str_content_type, (unsigned long)len, str_details1,
-               str_details2);
-
-    if (len > 0) {
-        size_t num, i;
-
-        BIO_printf(bio, "   ");
-        num = len;
-        for (i = 0; i < num; i++) {
-            if (i % 16 == 0 && i > 0)
-                BIO_printf(bio, "\n   ");
-            BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]);
-        }
-        if (i < len)
-            BIO_printf(bio, " ...");
-        BIO_printf(bio, "\n");
-    }
-    (void)BIO_flush(bio);
-}
-
-static STRINT_PAIR tlsext_types[] = {
-    {"server name", TLSEXT_TYPE_server_name},
-    {"max fragment length", TLSEXT_TYPE_max_fragment_length},
-    {"client certificate URL", TLSEXT_TYPE_client_certificate_url},
-    {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys},
-    {"truncated HMAC", TLSEXT_TYPE_truncated_hmac},
-    {"status request", TLSEXT_TYPE_status_request},
-    {"user mapping", TLSEXT_TYPE_user_mapping},
-    {"client authz", TLSEXT_TYPE_client_authz},
-    {"server authz", TLSEXT_TYPE_server_authz},
-    {"cert type", TLSEXT_TYPE_cert_type},
-    {"supported_groups", TLSEXT_TYPE_supported_groups},
-    {"EC point formats", TLSEXT_TYPE_ec_point_formats},
-    {"SRP", TLSEXT_TYPE_srp},
-    {"signature algorithms", TLSEXT_TYPE_signature_algorithms},
-    {"use SRTP", TLSEXT_TYPE_use_srtp},
-    {"session ticket", TLSEXT_TYPE_session_ticket},
-    {"renegotiation info", TLSEXT_TYPE_renegotiate},
-    {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp},
-    {"TLS padding", TLSEXT_TYPE_padding},
-#ifdef TLSEXT_TYPE_next_proto_neg
-    {"next protocol", TLSEXT_TYPE_next_proto_neg},
-#endif
-#ifdef TLSEXT_TYPE_encrypt_then_mac
-    {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac},
-#endif
-#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
-    {"application layer protocol negotiation",
-     TLSEXT_TYPE_application_layer_protocol_negotiation},
-#endif
-#ifdef TLSEXT_TYPE_extended_master_secret
-    {"extended master secret", TLSEXT_TYPE_extended_master_secret},
-#endif
-    {"key share", TLSEXT_TYPE_key_share},
-    {"supported versions", TLSEXT_TYPE_supported_versions},
-    {"psk", TLSEXT_TYPE_psk},
-    {"psk kex modes", TLSEXT_TYPE_psk_kex_modes},
-    {"certificate authorities", TLSEXT_TYPE_certificate_authorities},
-    {"post handshake auth", TLSEXT_TYPE_post_handshake_auth},
-    {NULL}
-};
-
-/* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */
-static STRINT_PAIR signature_tls13_scheme_list[] = {
-    {"rsa_pkcs1_sha1",         0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */},
-    {"ecdsa_sha1",             0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */},
-/*  {"rsa_pkcs1_sha224",       0x0301    TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */
-/*  {"ecdsa_sha224",           0x0303    TLSEXT_SIGALG_ecdsa_sha224}      not in rfc8446 */
-    {"rsa_pkcs1_sha256",       0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */},
-    {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */},
-    {"rsa_pkcs1_sha384",       0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */},
-    {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */},
-    {"rsa_pkcs1_sha512",       0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */},
-    {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */},
-    {"rsa_pss_rsae_sha256",    0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */},
-    {"rsa_pss_rsae_sha384",    0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */},
-    {"rsa_pss_rsae_sha512",    0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */},
-    {"ed25519",                0x0807 /* TLSEXT_SIGALG_ed25519 */},
-    {"ed448",                  0x0808 /* TLSEXT_SIGALG_ed448 */},
-    {"rsa_pss_pss_sha256",     0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */},
-    {"rsa_pss_pss_sha384",     0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */},
-    {"rsa_pss_pss_sha512",     0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */},
-    {"gostr34102001",          0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */},
-    {"gostr34102012_256",      0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */},
-    {"gostr34102012_512",      0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */},
-    {NULL}
-};
-
-/* from rfc5246 7.4.1.4.1. */
-static STRINT_PAIR signature_tls12_alg_list[] = {
-    {"anonymous", TLSEXT_signature_anonymous /* 0 */},
-    {"RSA",       TLSEXT_signature_rsa       /* 1 */},
-    {"DSA",       TLSEXT_signature_dsa       /* 2 */},
-    {"ECDSA",     TLSEXT_signature_ecdsa     /* 3 */},
-    {NULL}
-};
-
-/* from rfc5246 7.4.1.4.1. */
-static STRINT_PAIR signature_tls12_hash_list[] = {
-    {"none",   TLSEXT_hash_none   /* 0 */},
-    {"MD5",    TLSEXT_hash_md5    /* 1 */},
-    {"SHA1",   TLSEXT_hash_sha1   /* 2 */},
-    {"SHA224", TLSEXT_hash_sha224 /* 3 */},
-    {"SHA256", TLSEXT_hash_sha256 /* 4 */},
-    {"SHA384", TLSEXT_hash_sha384 /* 5 */},
-    {"SHA512", TLSEXT_hash_sha512 /* 6 */},
-    {NULL}
-};
-
-void tlsext_cb(SSL *s, int client_server, int type,
-               const unsigned char *data, int len, void *arg)
-{
-    BIO *bio = arg;
-    const char *extname = lookup(type, tlsext_types, "unknown");
-
-    BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
-               client_server ? "server" : "client", extname, type, len);
-    BIO_dump(bio, (const char *)data, len);
-    (void)BIO_flush(bio);
-}
-
-#ifndef OPENSSL_NO_SOCK
-int generate_cookie_callback(SSL *ssl, unsigned char *cookie,
-                             unsigned int *cookie_len)
-{
-    unsigned char *buffer;
-    size_t length = 0;
-    unsigned short port;
-    BIO_ADDR *lpeer = NULL, *peer = NULL;
-
-    /* Initialize a random secret */
-    if (!cookie_initialized) {
-        if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) {
-            BIO_printf(bio_err, "error setting random cookie secret\n");
-            return 0;
-        }
-        cookie_initialized = 1;
-    }
-
-    if (SSL_is_dtls(ssl)) {
-        lpeer = peer = BIO_ADDR_new();
-        if (peer == NULL) {
-            BIO_printf(bio_err, "memory full\n");
-            return 0;
-        }
-
-        /* Read peer information */
-        (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer);
-    } else {
-        peer = ourpeer;
-    }
-
-    /* Create buffer with peer's address and port */
-    if (!BIO_ADDR_rawaddress(peer, NULL, &length)) {
-        BIO_printf(bio_err, "Failed getting peer address\n");
-        return 0;
-    }
-    OPENSSL_assert(length != 0);
-    port = BIO_ADDR_rawport(peer);
-    length += sizeof(port);
-    buffer = app_malloc(length, "cookie generate buffer");
-
-    memcpy(buffer, &port, sizeof(port));
-    BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL);
-
-    /* Calculate HMAC of buffer using the secret */
-    HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
-         buffer, length, cookie, cookie_len);
-
-    OPENSSL_free(buffer);
-    BIO_ADDR_free(lpeer);
-
-    return 1;
-}
-
-int verify_cookie_callback(SSL *ssl, const unsigned char *cookie,
-                           unsigned int cookie_len)
-{
-    unsigned char result[EVP_MAX_MD_SIZE];
-    unsigned int resultlength;
-
-    /* Note: we check cookie_initialized because if it's not,
-     * it cannot be valid */
-    if (cookie_initialized
-        && generate_cookie_callback(ssl, result, &resultlength)
-        && cookie_len == resultlength
-        && memcmp(result, cookie, resultlength) == 0)
-        return 1;
-
-    return 0;
-}
-
-int generate_stateless_cookie_callback(SSL *ssl, unsigned char *cookie,
-                                       size_t *cookie_len)
-{
-    unsigned int temp;
-    int res = generate_cookie_callback(ssl, cookie, &temp);
-    *cookie_len = temp;
-    return res;
-}
-
-int verify_stateless_cookie_callback(SSL *ssl, const unsigned char *cookie,
-                                     size_t cookie_len)
-{
-    return verify_cookie_callback(ssl, cookie, cookie_len);
-}
-
-#endif
-
-/*
- * Example of extended certificate handling. Where the standard support of
- * one certificate per algorithm is not sufficient an application can decide
- * which certificate(s) to use at runtime based on whatever criteria it deems
- * appropriate.
- */
-
-/* Linked list of certificates, keys and chains */
-struct ssl_excert_st {
-    int certform;
-    const char *certfile;
-    int keyform;
-    const char *keyfile;
-    const char *chainfile;
-    X509 *cert;
-    EVP_PKEY *key;
-    STACK_OF(X509) *chain;
-    int build_chain;
-    struct ssl_excert_st *next, *prev;
-};
-
-static STRINT_PAIR chain_flags[] = {
-    {"Overall Validity", CERT_PKEY_VALID},
-    {"Sign with EE key", CERT_PKEY_SIGN},
-    {"EE signature", CERT_PKEY_EE_SIGNATURE},
-    {"CA signature", CERT_PKEY_CA_SIGNATURE},
-    {"EE key parameters", CERT_PKEY_EE_PARAM},
-    {"CA key parameters", CERT_PKEY_CA_PARAM},
-    {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN},
-    {"Issuer Name", CERT_PKEY_ISSUER_NAME},
-    {"Certificate Type", CERT_PKEY_CERT_TYPE},
-    {NULL}
-};
-
-static void print_chain_flags(SSL *s, int flags)
-{
-    STRINT_PAIR *pp;
-
-    for (pp = chain_flags; pp->name; ++pp)
-        BIO_printf(bio_err, "\t%s: %s\n",
-                   pp->name,
-                   (flags & pp->retval) ? "OK" : "NOT OK");
-    BIO_printf(bio_err, "\tSuite B: ");
-    if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
-        BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
-    else
-        BIO_printf(bio_err, "not tested\n");
-}
-
-/*
- * Very basic selection callback: just use any certificate chain reported as
- * valid. More sophisticated could prioritise according to local policy.
- */
-static int set_cert_cb(SSL *ssl, void *arg)
-{
-    int i, rv;
-    SSL_EXCERT *exc = arg;
-#ifdef CERT_CB_TEST_RETRY
-    static int retry_cnt;
-    if (retry_cnt < 5) {
-        retry_cnt++;
-        BIO_printf(bio_err,
-                   "Certificate callback retry test: count %d\n",
-                   retry_cnt);
-        return -1;
-    }
-#endif
-    SSL_certs_clear(ssl);
-
-    if (exc == NULL)
-        return 1;
-
-    /*
-     * Go to end of list and traverse backwards since we prepend newer
-     * entries this retains the original order.
-     */
-    while (exc->next != NULL)
-        exc = exc->next;
-
-    i = 0;
-
-    while (exc != NULL) {
-        i++;
-        rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
-        BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
-        X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
-                           get_nameopt());
-        BIO_puts(bio_err, "\n");
-        print_chain_flags(ssl, rv);
-        if (rv & CERT_PKEY_VALID) {
-            if (!SSL_use_certificate(ssl, exc->cert)
-                    || !SSL_use_PrivateKey(ssl, exc->key)) {
-                return 0;
-            }
-            /*
-             * NB: we wouldn't normally do this as it is not efficient
-             * building chains on each connection better to cache the chain
-             * in advance.
-             */
-            if (exc->build_chain) {
-                if (!SSL_build_cert_chain(ssl, 0))
-                    return 0;
-            } else if (exc->chain != NULL) {
-                SSL_set1_chain(ssl, exc->chain);
-            }
-        }
-        exc = exc->prev;
-    }
-    return 1;
-}
-
-void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
-{
-    SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
-}
-
-static int ssl_excert_prepend(SSL_EXCERT **pexc)
-{
-    SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert");
-
-    memset(exc, 0, sizeof(*exc));
-
-    exc->next = *pexc;
-    *pexc = exc;
-
-    if (exc->next) {
-        exc->certform = exc->next->certform;
-        exc->keyform = exc->next->keyform;
-        exc->next->prev = exc;
-    } else {
-        exc->certform = FORMAT_PEM;
-        exc->keyform = FORMAT_PEM;
-    }
-    return 1;
-
-}
-
-void ssl_excert_free(SSL_EXCERT *exc)
-{
-    SSL_EXCERT *curr;
-
-    if (exc == NULL)
-        return;
-    while (exc) {
-        X509_free(exc->cert);
-        EVP_PKEY_free(exc->key);
-        sk_X509_pop_free(exc->chain, X509_free);
-        curr = exc;
-        exc = exc->next;
-        OPENSSL_free(curr);
-    }
-}
-
-int load_excert(SSL_EXCERT **pexc)
-{
-    SSL_EXCERT *exc = *pexc;
-    if (exc == NULL)
-        return 1;
-    /* If nothing in list, free and set to NULL */
-    if (exc->certfile == NULL && exc->next == NULL) {
-        ssl_excert_free(exc);
-        *pexc = NULL;
-        return 1;
-    }
-    for (; exc; exc = exc->next) {
-        if (exc->certfile == NULL) {
-            BIO_printf(bio_err, "Missing filename\n");
-            return 0;
-        }
-        exc->cert = load_cert(exc->certfile, exc->certform,
-                              "Server Certificate");
-        if (exc->cert == NULL)
-            return 0;
-        if (exc->keyfile != NULL) {
-            exc->key = load_key(exc->keyfile, exc->keyform,
-                                0, NULL, NULL, "Server Key");
-        } else {
-            exc->key = load_key(exc->certfile, exc->certform,
-                                0, NULL, NULL, "Server Key");
-        }
-        if (exc->key == NULL)
-            return 0;
-        if (exc->chainfile != NULL) {
-            if (!load_certs(exc->chainfile, &exc->chain, FORMAT_PEM, NULL,
-                            "Server Chain"))
-                return 0;
-        }
-    }
-    return 1;
-}
-
-enum range { OPT_X_ENUM };
-
-int args_excert(int opt, SSL_EXCERT **pexc)
-{
-    SSL_EXCERT *exc = *pexc;
-
-    assert(opt > OPT_X__FIRST);
-    assert(opt < OPT_X__LAST);
-
-    if (exc == NULL) {
-        if (!ssl_excert_prepend(&exc)) {
-            BIO_printf(bio_err, " %s: Error initialising xcert\n",
-                       opt_getprog());
-            goto err;
-        }
-        *pexc = exc;
-    }
-
-    switch ((enum range)opt) {
-    case OPT_X__FIRST:
-    case OPT_X__LAST:
-        return 0;
-    case OPT_X_CERT:
-        if (exc->certfile != NULL && !ssl_excert_prepend(&exc)) {
-            BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog());
-            goto err;
-        }
-        *pexc = exc;
-        exc->certfile = opt_arg();
-        break;
-    case OPT_X_KEY:
-        if (exc->keyfile != NULL) {
-            BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog());
-            goto err;
-        }
-        exc->keyfile = opt_arg();
-        break;
-    case OPT_X_CHAIN:
-        if (exc->chainfile != NULL) {
-            BIO_printf(bio_err, "%s: Chain already specified\n",
-                       opt_getprog());
-            goto err;
-        }
-        exc->chainfile = opt_arg();
-        break;
-    case OPT_X_CHAIN_BUILD:
-        exc->build_chain = 1;
-        break;
-    case OPT_X_CERTFORM:
-        if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform))
-            return 0;
-        break;
-    case OPT_X_KEYFORM:
-        if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform))
-            return 0;
-        break;
-    }
-    return 1;
-
- err:
-    ERR_print_errors(bio_err);
-    ssl_excert_free(exc);
-    *pexc = NULL;
-    return 0;
-}
-
-static void print_raw_cipherlist(SSL *s)
-{
-    const unsigned char *rlist;
-    static const unsigned char scsv_id[] = { 0, 0xFF };
-    size_t i, rlistlen, num;
-    if (!SSL_is_server(s))
-        return;
-    num = SSL_get0_raw_cipherlist(s, NULL);
-    OPENSSL_assert(num == 2);
-    rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
-    BIO_puts(bio_err, "Client cipher list: ");
-    for (i = 0; i < rlistlen; i += num, rlist += num) {
-        const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
-        if (i)
-            BIO_puts(bio_err, ":");
-        if (c != NULL) {
-            BIO_puts(bio_err, SSL_CIPHER_get_name(c));
-        } else if (memcmp(rlist, scsv_id, num) == 0) {
-            BIO_puts(bio_err, "SCSV");
-        } else {
-            size_t j;
-            BIO_puts(bio_err, "0x");
-            for (j = 0; j < num; j++)
-                BIO_printf(bio_err, "%02X", rlist[j]);
-        }
-    }
-    BIO_puts(bio_err, "\n");
-}
-
-/*
- * Hex encoder for TLSA RRdata, not ':' delimited.
- */
-static char *hexencode(const unsigned char *data, size_t len)
-{
-    static const char *hex = "0123456789abcdef";
-    char *out;
-    char *cp;
-    size_t outlen = 2 * len + 1;
-    int ilen = (int) outlen;
-
-    if (outlen < len || ilen < 0 || outlen != (size_t)ilen) {
-        BIO_printf(bio_err, "%s: %zu-byte buffer too large to hexencode\n",
-                   opt_getprog(), len);
-        exit(1);
-    }
-    cp = out = app_malloc(ilen, "TLSA hex data buffer");
-
-    while (len-- > 0) {
-        *cp++ = hex[(*data >> 4) & 0x0f];
-        *cp++ = hex[*data++ & 0x0f];
-    }
-    *cp = '\0';
-    return out;
-}
-
-void print_verify_detail(SSL *s, BIO *bio)
-{
-    int mdpth;
-    EVP_PKEY *mspki;
-    long verify_err = SSL_get_verify_result(s);
-
-    if (verify_err == X509_V_OK) {
-        const char *peername = SSL_get0_peername(s);
-
-        BIO_printf(bio, "Verification: OK\n");
-        if (peername != NULL)
-            BIO_printf(bio, "Verified peername: %s\n", peername);
-    } else {
-        const char *reason = X509_verify_cert_error_string(verify_err);
-
-        BIO_printf(bio, "Verification error: %s\n", reason);
-    }
-
-    if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) {
-        uint8_t usage, selector, mtype;
-        const unsigned char *data = NULL;
-        size_t dlen = 0;
-        char *hexdata;
-
-        mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen);
-
-        /*
-         * The TLSA data field can be quite long when it is a certificate,
-         * public key or even a SHA2-512 digest.  Because the initial octets of
-         * ASN.1 certificates and public keys contain mostly boilerplate OIDs
-         * and lengths, we show the last 12 bytes of the data instead, as these
-         * are more likely to distinguish distinct TLSA records.
-         */
-#define TLSA_TAIL_SIZE 12
-        if (dlen > TLSA_TAIL_SIZE)
-            hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE);
-        else
-            hexdata = hexencode(data, dlen);
-        BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n",
-                   usage, selector, mtype,
-                   (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata,
-                   (mspki != NULL) ? "signed the certificate" :
-                   mdpth ? "matched TA certificate" : "matched EE certificate",
-                   mdpth);
-        OPENSSL_free(hexdata);
-    }
-}
-
-void print_ssl_summary(SSL *s)
-{
-    const SSL_CIPHER *c;
-    X509 *peer;
-
-    BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s));
-    print_raw_cipherlist(s);
-    c = SSL_get_current_cipher(s);
-    BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
-    do_print_sigalgs(bio_err, s, 0);
-    peer = SSL_get_peer_certificate(s);
-    if (peer != NULL) {
-        int nid;
-
-        BIO_puts(bio_err, "Peer certificate: ");
-        X509_NAME_print_ex(bio_err, X509_get_subject_name(peer),
-                           0, get_nameopt());
-        BIO_puts(bio_err, "\n");
-        if (SSL_get_peer_signature_nid(s, &nid))
-            BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid));
-        if (SSL_get_peer_signature_type_nid(s, &nid))
-            BIO_printf(bio_err, "Signature type: %s\n", get_sigtype(nid));
-        print_verify_detail(s, bio_err);
-    } else {
-        BIO_puts(bio_err, "No peer certificate\n");
-    }
-    X509_free(peer);
-#ifndef OPENSSL_NO_EC
-    ssl_print_point_formats(bio_err, s);
-    if (SSL_is_server(s))
-        ssl_print_groups(bio_err, s, 1);
-    else
-        ssl_print_tmp_key(bio_err, s);
-#else
-    if (!SSL_is_server(s))
-        ssl_print_tmp_key(bio_err, s);
-#endif
-}
-
-int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str,
-               SSL_CTX *ctx)
-{
-    int i;
-
-    SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
-    for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) {
-        const char *flag = sk_OPENSSL_STRING_value(str, i);
-        const char *arg = sk_OPENSSL_STRING_value(str, i + 1);
-        if (SSL_CONF_cmd(cctx, flag, arg) <= 0) {
-            if (arg != NULL)
-                BIO_printf(bio_err, "Error with command: \"%s %s\"\n",
-                           flag, arg);
-            else
-                BIO_printf(bio_err, "Error with command: \"%s\"\n", flag);
-            ERR_print_errors(bio_err);
-            return 0;
-        }
-    }
-    if (!SSL_CONF_CTX_finish(cctx)) {
-        BIO_puts(bio_err, "Error finishing context\n");
-        ERR_print_errors(bio_err);
-        return 0;
-    }
-    return 1;
-}
-
-static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
-{
-    X509_CRL *crl;
-    int i;
-    for (i = 0; i < sk_X509_CRL_num(crls); i++) {
-        crl = sk_X509_CRL_value(crls, i);
-        X509_STORE_add_crl(st, crl);
-    }
-    return 1;
-}
-
-int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
-{
-    X509_STORE *st;
-    st = SSL_CTX_get_cert_store(ctx);
-    add_crls_store(st, crls);
-    if (crl_download)
-        store_setup_crl_download(st);
-    return 1;
-}
-
-int ssl_load_stores(SSL_CTX *ctx,
-                    const char *vfyCApath, const char *vfyCAfile,
-                    const char *chCApath, const char *chCAfile,
-                    STACK_OF(X509_CRL) *crls, int crl_download)
-{
-    X509_STORE *vfy = NULL, *ch = NULL;
-    int rv = 0;
-    if (vfyCApath != NULL || vfyCAfile != NULL) {
-        vfy = X509_STORE_new();
-        if (vfy == NULL)
-            goto err;
-        if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
-            goto err;
-        add_crls_store(vfy, crls);
-        SSL_CTX_set1_verify_cert_store(ctx, vfy);
-        if (crl_download)
-            store_setup_crl_download(vfy);
-    }
-    if (chCApath != NULL || chCAfile != NULL) {
-        ch = X509_STORE_new();
-        if (ch == NULL)
-            goto err;
-        if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
-            goto err;
-        SSL_CTX_set1_chain_cert_store(ctx, ch);
-    }
-    rv = 1;
- err:
-    X509_STORE_free(vfy);
-    X509_STORE_free(ch);
-    return rv;
-}
-
-/* Verbose print out of security callback */
-
-typedef struct {
-    BIO *out;
-    int verbose;
-    int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid,
-                   void *other, void *ex);
-} security_debug_ex;
-
-static STRINT_PAIR callback_types[] = {
-    {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED},
-    {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED},
-    {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK},
-#ifndef OPENSSL_NO_DH
-    {"Temp DH key bits", SSL_SECOP_TMP_DH},
-#endif
-    {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED},
-    {"Shared Curve", SSL_SECOP_CURVE_SHARED},
-    {"Check Curve", SSL_SECOP_CURVE_CHECK},
-    {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED},
-    {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED},
-    {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK},
-    {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK},
-    {"Certificate chain EE key", SSL_SECOP_EE_KEY},
-    {"Certificate chain CA key", SSL_SECOP_CA_KEY},
-    {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY},
-    {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY},
-    {"Certificate chain CA digest", SSL_SECOP_CA_MD},
-    {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD},
-    {"SSL compression", SSL_SECOP_COMPRESSION},
-    {"Session ticket", SSL_SECOP_TICKET},
-    {NULL}
-};
-
-static int security_callback_debug(const SSL *s, const SSL_CTX *ctx,
-                                   int op, int bits, int nid,
-                                   void *other, void *ex)
-{
-    security_debug_ex *sdb = ex;
-    int rv, show_bits = 1, cert_md = 0;
-    const char *nm;
-    int show_nm;
-    rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex);
-    if (rv == 1 && sdb->verbose < 2)
-        return 1;
-    BIO_puts(sdb->out, "Security callback: ");
-
-    nm = lookup(op, callback_types, NULL);
-    show_nm = nm != NULL;
-    switch (op) {
-    case SSL_SECOP_TICKET:
-    case SSL_SECOP_COMPRESSION:
-        show_bits = 0;
-        show_nm = 0;
-        break;
-    case SSL_SECOP_VERSION:
-        BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???"));
-        show_bits = 0;
-        show_nm = 0;
-        break;
-    case SSL_SECOP_CA_MD:
-    case SSL_SECOP_PEER_CA_MD:
-        cert_md = 1;
-        break;
-    case SSL_SECOP_SIGALG_SUPPORTED:
-    case SSL_SECOP_SIGALG_SHARED:
-    case SSL_SECOP_SIGALG_CHECK:
-    case SSL_SECOP_SIGALG_MASK:
-        show_nm = 0;
-        break;
-    }
-    if (show_nm)
-        BIO_printf(sdb->out, "%s=", nm);
-
-    switch (op & SSL_SECOP_OTHER_TYPE) {
-
-    case SSL_SECOP_OTHER_CIPHER:
-        BIO_puts(sdb->out, SSL_CIPHER_get_name(other));
-        break;
-
-#ifndef OPENSSL_NO_EC
-    case SSL_SECOP_OTHER_CURVE:
-        {
-            const char *cname;
-            cname = EC_curve_nid2nist(nid);
-            if (cname == NULL)
-                cname = OBJ_nid2sn(nid);
-            BIO_puts(sdb->out, cname);
-        }
-        break;
-#endif
-#ifndef OPENSSL_NO_DH
-    case SSL_SECOP_OTHER_DH:
-        {
-            DH *dh = other;
-            BIO_printf(sdb->out, "%d", DH_bits(dh));
-            break;
-        }
-#endif
-    case SSL_SECOP_OTHER_CERT:
-        {
-            if (cert_md) {
-                int sig_nid = X509_get_signature_nid(other);
-                BIO_puts(sdb->out, OBJ_nid2sn(sig_nid));
-            } else {
-                EVP_PKEY *pkey = X509_get0_pubkey(other);
-                const char *algname = "";
-                EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL,
-                                        &algname, EVP_PKEY_get0_asn1(pkey));
-                BIO_printf(sdb->out, "%s, bits=%d",
-                           algname, EVP_PKEY_bits(pkey));
-            }
-            break;
-        }
-    case SSL_SECOP_OTHER_SIGALG:
-        {
-            const unsigned char *salg = other;
-            const char *sname = NULL;
-            int raw_sig_code = (salg[0] << 8) + salg[1]; /* always big endian (msb, lsb) */
-                /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */
-
-            if (nm != NULL)
-                BIO_printf(sdb->out, "%s", nm);
-            else
-                BIO_printf(sdb->out, "s_cb.c:security_callback_debug op=0x%x", op);
-
-            sname = lookup(raw_sig_code, signature_tls13_scheme_list, NULL);
-            if (sname != NULL) {
-                BIO_printf(sdb->out, " scheme=%s", sname);
-            } else {
-                int alg_code = salg[1];
-                int hash_code = salg[0];
-                const char *alg_str = lookup(alg_code, signature_tls12_alg_list, NULL);
-                const char *hash_str = lookup(hash_code, signature_tls12_hash_list, NULL);
-
-                if (alg_str != NULL && hash_str != NULL)
-                    BIO_printf(sdb->out, " digest=%s, algorithm=%s", hash_str, alg_str);
-                else
-                    BIO_printf(sdb->out, " scheme=unknown(0x%04x)", raw_sig_code);
-            }
-        }
-
-    }
-
-    if (show_bits)
-        BIO_printf(sdb->out, ", security bits=%d", bits);
-    BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no");
-    return rv;
-}
-
-void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose)
-{
-    static security_debug_ex sdb;
-
-    sdb.out = bio_err;
-    sdb.verbose = verbose;
-    sdb.old_cb = SSL_CTX_get_security_callback(ctx);
-    SSL_CTX_set_security_callback(ctx, security_callback_debug);
-    SSL_CTX_set0_security_ex_data(ctx, &sdb);
-}
-
-static void keylog_callback(const SSL *ssl, const char *line)
-{
-    if (bio_keylog == NULL) {
-        BIO_printf(bio_err, "Keylog callback is invoked without valid file!\n");
-        return;
-    }
-
-    /*
-     * There might be concurrent writers to the keylog file, so we must ensure
-     * that the given line is written at once.
-     */
-    BIO_printf(bio_keylog, "%s\n", line);
-    (void)BIO_flush(bio_keylog);
-}
-
-int set_keylog_file(SSL_CTX *ctx, const char *keylog_file)
-{
-    /* Close any open files */
-    BIO_free_all(bio_keylog);
-    bio_keylog = NULL;
-
-    if (ctx == NULL || keylog_file == NULL) {
-        /* Keylogging is disabled, OK. */
-        return 0;
-    }
-
-    /*
-     * Append rather than write in order to allow concurrent modification.
-     * Furthermore, this preserves existing keylog files which is useful when
-     * the tool is run multiple times.
-     */
-    bio_keylog = BIO_new_file(keylog_file, "a");
-    if (bio_keylog == NULL) {
-        BIO_printf(bio_err, "Error writing keylog file %s\n", keylog_file);
-        return 1;
-    }
-
-    /* Write a header for seekable, empty files (this excludes pipes). */
-    if (BIO_tell(bio_keylog) == 0) {
-        BIO_puts(bio_keylog,
-                 "# SSL/TLS secrets log file, generated by OpenSSL\n");
-        (void)BIO_flush(bio_keylog);
-    }
-    SSL_CTX_set_keylog_callback(ctx, keylog_callback);
-    return 0;
-}
-
-void print_ca_names(BIO *bio, SSL *s)
-{
-    const char *cs = SSL_is_server(s) ? "server" : "client";
-    const STACK_OF(X509_NAME) *sk = SSL_get0_peer_CA_list(s);
-    int i;
-
-    if (sk == NULL || sk_X509_NAME_num(sk) == 0) {
-        if (!SSL_is_server(s))
-            BIO_printf(bio, "---\nNo %s certificate CA names sent\n", cs);
-        return;
-    }
-
-    BIO_printf(bio, "---\nAcceptable %s certificate CA names\n",cs);
-    for (i = 0; i < sk_X509_NAME_num(sk); i++) {
-        X509_NAME_print_ex(bio, sk_X509_NAME_value(sk, i), 0, get_nameopt());
-        BIO_write(bio, "\n", 1);
-    }
-}