1541 lines
47 KiB
C
1541 lines
47 KiB
C
/*
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* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (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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/* callback functions used by s_client, s_server, and s_time */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> /* for memcpy() and strcmp() */
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#include "apps.h"
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#include <openssl/bn.h>
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#ifndef OPENSSL_NO_DH
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# include <openssl/dh.h>
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#endif
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#include "s_apps.h"
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#define COOKIE_SECRET_LENGTH 16
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VERIFY_CB_ARGS verify_args = { -1, 0, X509_V_OK, 0 };
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#ifndef OPENSSL_NO_SOCK
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static unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
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static int cookie_initialized = 0;
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#endif
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static BIO *bio_keylog = NULL;
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static const char *lookup(int val, const STRINT_PAIR* list, const char* def)
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{
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for ( ; list->name; ++list)
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if (list->retval == val)
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return list->name;
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return def;
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}
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int verify_callback(int ok, X509_STORE_CTX *ctx)
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{
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X509 *err_cert;
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int err, depth;
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err_cert = X509_STORE_CTX_get_current_cert(ctx);
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err = X509_STORE_CTX_get_error(ctx);
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depth = X509_STORE_CTX_get_error_depth(ctx);
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if (!verify_args.quiet || !ok) {
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BIO_printf(bio_err, "depth=%d ", depth);
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if (err_cert != NULL) {
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X509_NAME_print_ex(bio_err,
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X509_get_subject_name(err_cert),
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0, get_nameopt());
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BIO_puts(bio_err, "\n");
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} else {
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BIO_puts(bio_err, "<no cert>\n");
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}
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}
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if (!ok) {
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BIO_printf(bio_err, "verify error:num=%d:%s\n", err,
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X509_verify_cert_error_string(err));
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if (verify_args.depth < 0 || verify_args.depth >= depth) {
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if (!verify_args.return_error)
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ok = 1;
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verify_args.error = err;
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} else {
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ok = 0;
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verify_args.error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
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}
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}
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switch (err) {
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case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
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BIO_puts(bio_err, "issuer= ");
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X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
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0, get_nameopt());
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BIO_puts(bio_err, "\n");
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break;
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case X509_V_ERR_CERT_NOT_YET_VALID:
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case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
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BIO_printf(bio_err, "notBefore=");
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ASN1_TIME_print(bio_err, X509_get0_notBefore(err_cert));
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BIO_printf(bio_err, "\n");
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break;
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case X509_V_ERR_CERT_HAS_EXPIRED:
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case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
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BIO_printf(bio_err, "notAfter=");
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ASN1_TIME_print(bio_err, X509_get0_notAfter(err_cert));
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BIO_printf(bio_err, "\n");
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break;
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case X509_V_ERR_NO_EXPLICIT_POLICY:
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if (!verify_args.quiet)
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policies_print(ctx);
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break;
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}
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if (err == X509_V_OK && ok == 2 && !verify_args.quiet)
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policies_print(ctx);
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if (ok && !verify_args.quiet)
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BIO_printf(bio_err, "verify return:%d\n", ok);
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return ok;
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}
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int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
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{
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if (cert_file != NULL) {
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if (SSL_CTX_use_certificate_file(ctx, cert_file,
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SSL_FILETYPE_PEM) <= 0) {
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BIO_printf(bio_err, "unable to get certificate from '%s'\n",
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cert_file);
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ERR_print_errors(bio_err);
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return 0;
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}
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if (key_file == NULL)
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key_file = cert_file;
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if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) {
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BIO_printf(bio_err, "unable to get private key from '%s'\n",
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key_file);
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ERR_print_errors(bio_err);
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return 0;
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}
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/*
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* If we are using DSA, we can copy the parameters from the private
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* key
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*/
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/*
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* Now we know that a key and cert have been set against the SSL
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* context
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*/
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if (!SSL_CTX_check_private_key(ctx)) {
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BIO_printf(bio_err,
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"Private key does not match the certificate public key\n");
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return 0;
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}
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}
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return 1;
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}
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int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
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STACK_OF(X509) *chain, int build_chain)
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{
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int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
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if (cert == NULL)
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return 1;
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if (SSL_CTX_use_certificate(ctx, cert) <= 0) {
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BIO_printf(bio_err, "error setting certificate\n");
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ERR_print_errors(bio_err);
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return 0;
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}
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if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) {
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BIO_printf(bio_err, "error setting private key\n");
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ERR_print_errors(bio_err);
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return 0;
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}
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/*
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* Now we know that a key and cert have been set against the SSL context
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*/
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if (!SSL_CTX_check_private_key(ctx)) {
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BIO_printf(bio_err,
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"Private key does not match the certificate public key\n");
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return 0;
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}
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if (chain && !SSL_CTX_set1_chain(ctx, chain)) {
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BIO_printf(bio_err, "error setting certificate chain\n");
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ERR_print_errors(bio_err);
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return 0;
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}
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if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) {
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BIO_printf(bio_err, "error building certificate chain\n");
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ERR_print_errors(bio_err);
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return 0;
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}
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return 1;
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}
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static STRINT_PAIR cert_type_list[] = {
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{"RSA sign", TLS_CT_RSA_SIGN},
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{"DSA sign", TLS_CT_DSS_SIGN},
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{"RSA fixed DH", TLS_CT_RSA_FIXED_DH},
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{"DSS fixed DH", TLS_CT_DSS_FIXED_DH},
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{"ECDSA sign", TLS_CT_ECDSA_SIGN},
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{"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH},
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{"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH},
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{"GOST01 Sign", TLS_CT_GOST01_SIGN},
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{"GOST12 Sign", TLS_CT_GOST12_SIGN},
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{NULL}
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};
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static void ssl_print_client_cert_types(BIO *bio, SSL *s)
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{
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const unsigned char *p;
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int i;
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int cert_type_num = SSL_get0_certificate_types(s, &p);
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if (!cert_type_num)
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return;
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BIO_puts(bio, "Client Certificate Types: ");
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for (i = 0; i < cert_type_num; i++) {
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unsigned char cert_type = p[i];
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const char *cname = lookup((int)cert_type, cert_type_list, NULL);
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if (i)
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BIO_puts(bio, ", ");
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if (cname != NULL)
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BIO_puts(bio, cname);
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else
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BIO_printf(bio, "UNKNOWN (%d),", cert_type);
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}
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BIO_puts(bio, "\n");
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}
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static const char *get_sigtype(int nid)
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{
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switch (nid) {
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case EVP_PKEY_RSA:
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return "RSA";
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case EVP_PKEY_RSA_PSS:
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return "RSA-PSS";
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case EVP_PKEY_DSA:
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return "DSA";
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case EVP_PKEY_EC:
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return "ECDSA";
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case NID_ED25519:
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return "Ed25519";
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case NID_ED448:
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return "Ed448";
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case NID_id_GostR3410_2001:
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return "gost2001";
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case NID_id_GostR3410_2012_256:
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return "gost2012_256";
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case NID_id_GostR3410_2012_512:
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return "gost2012_512";
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default:
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return NULL;
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}
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}
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static int do_print_sigalgs(BIO *out, SSL *s, int shared)
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{
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int i, nsig, client;
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client = SSL_is_server(s) ? 0 : 1;
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if (shared)
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nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL);
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else
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nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
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if (nsig == 0)
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return 1;
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if (shared)
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BIO_puts(out, "Shared ");
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if (client)
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BIO_puts(out, "Requested ");
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BIO_puts(out, "Signature Algorithms: ");
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for (i = 0; i < nsig; i++) {
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int hash_nid, sign_nid;
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unsigned char rhash, rsign;
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const char *sstr = NULL;
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if (shared)
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SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
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&rsign, &rhash);
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else
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SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash);
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if (i)
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BIO_puts(out, ":");
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sstr = get_sigtype(sign_nid);
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if (sstr)
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BIO_printf(out, "%s", sstr);
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else
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BIO_printf(out, "0x%02X", (int)rsign);
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if (hash_nid != NID_undef)
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BIO_printf(out, "+%s", OBJ_nid2sn(hash_nid));
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else if (sstr == NULL)
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BIO_printf(out, "+0x%02X", (int)rhash);
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}
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BIO_puts(out, "\n");
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return 1;
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}
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int ssl_print_sigalgs(BIO *out, SSL *s)
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{
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int nid;
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if (!SSL_is_server(s))
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ssl_print_client_cert_types(out, s);
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do_print_sigalgs(out, s, 0);
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do_print_sigalgs(out, s, 1);
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if (SSL_get_peer_signature_nid(s, &nid) && nid != NID_undef)
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BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid));
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if (SSL_get_peer_signature_type_nid(s, &nid))
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BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid));
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return 1;
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}
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#ifndef OPENSSL_NO_EC
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int ssl_print_point_formats(BIO *out, SSL *s)
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{
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int i, nformats;
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const char *pformats;
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nformats = SSL_get0_ec_point_formats(s, &pformats);
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if (nformats <= 0)
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return 1;
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BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
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for (i = 0; i < nformats; i++, pformats++) {
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if (i)
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BIO_puts(out, ":");
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switch (*pformats) {
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case TLSEXT_ECPOINTFORMAT_uncompressed:
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BIO_puts(out, "uncompressed");
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break;
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case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
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BIO_puts(out, "ansiX962_compressed_prime");
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break;
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case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
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BIO_puts(out, "ansiX962_compressed_char2");
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break;
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default:
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BIO_printf(out, "unknown(%d)", (int)*pformats);
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break;
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}
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}
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BIO_puts(out, "\n");
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return 1;
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}
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int ssl_print_groups(BIO *out, SSL *s, int noshared)
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{
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int i, ngroups, *groups, nid;
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const char *gname;
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ngroups = SSL_get1_groups(s, NULL);
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if (ngroups <= 0)
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return 1;
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groups = app_malloc(ngroups * sizeof(int), "groups to print");
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SSL_get1_groups(s, groups);
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BIO_puts(out, "Supported Elliptic Groups: ");
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for (i = 0; i < ngroups; i++) {
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if (i)
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BIO_puts(out, ":");
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nid = groups[i];
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/* If unrecognised print out hex version */
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if (nid & TLSEXT_nid_unknown) {
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BIO_printf(out, "0x%04X", nid & 0xFFFF);
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} else {
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/* TODO(TLS1.3): Get group name here */
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/* Use NIST name for curve if it exists */
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gname = EC_curve_nid2nist(nid);
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if (gname == NULL)
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gname = OBJ_nid2sn(nid);
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BIO_printf(out, "%s", gname);
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}
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}
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OPENSSL_free(groups);
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if (noshared) {
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BIO_puts(out, "\n");
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return 1;
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}
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BIO_puts(out, "\nShared Elliptic groups: ");
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ngroups = SSL_get_shared_group(s, -1);
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for (i = 0; i < ngroups; i++) {
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if (i)
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BIO_puts(out, ":");
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nid = SSL_get_shared_group(s, i);
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/* TODO(TLS1.3): Convert for DH groups */
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gname = EC_curve_nid2nist(nid);
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if (gname == NULL)
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gname = OBJ_nid2sn(nid);
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BIO_printf(out, "%s", gname);
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}
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if (ngroups == 0)
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BIO_puts(out, "NONE");
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BIO_puts(out, "\n");
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return 1;
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}
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#endif
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int ssl_print_tmp_key(BIO *out, SSL *s)
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{
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EVP_PKEY *key;
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if (!SSL_get_peer_tmp_key(s, &key))
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return 1;
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BIO_puts(out, "Server Temp Key: ");
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switch (EVP_PKEY_id(key)) {
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case EVP_PKEY_RSA:
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BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
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break;
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case EVP_PKEY_DH:
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BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
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break;
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#ifndef OPENSSL_NO_EC
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case EVP_PKEY_EC:
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{
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EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
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int nid;
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const char *cname;
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nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
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EC_KEY_free(ec);
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cname = EC_curve_nid2nist(nid);
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if (cname == NULL)
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cname = OBJ_nid2sn(nid);
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BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key));
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}
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break;
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#endif
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default:
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BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key)),
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EVP_PKEY_bits(key));
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}
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EVP_PKEY_free(key);
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return 1;
|
|
}
|
|
|
|
long bio_dump_callback(BIO *bio, int cmd, const char *argp,
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int argi, long argl, long ret)
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|
{
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|
BIO *out;
|
|
|
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out = (BIO *)BIO_get_callback_arg(bio);
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if (out == NULL)
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return ret;
|
|
|
|
if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) {
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|
BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
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(void *)bio, (void *)argp, (unsigned long)argi, ret, ret);
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BIO_dump(out, argp, (int)ret);
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return ret;
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|
} else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) {
|
|
BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
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(void *)bio, (void *)argp, (unsigned long)argi, ret, ret);
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BIO_dump(out, argp, (int)ret);
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}
|
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return ret;
|
|
}
|
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|
|
void apps_ssl_info_callback(const SSL *s, int where, int ret)
|
|
{
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|
const char *str;
|
|
int w;
|
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|
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w = where & ~SSL_ST_MASK;
|
|
|
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if (w & SSL_ST_CONNECT)
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str = "SSL_connect";
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else if (w & SSL_ST_ACCEPT)
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str = "SSL_accept";
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|
else
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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",
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str,
|
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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",
|
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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;
|
|
#ifndef OPENSSL_NO_HEARTBEATS
|
|
case 24:
|
|
str_details1 = ", Heartbeat";
|
|
|
|
if (len > 0) {
|
|
switch (bp[0]) {
|
|
case 1:
|
|
str_details1 = ", HeartbeatRequest";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", HeartbeatResponse";
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
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},
|
|
{"heartbeat", TLSEXT_TYPE_heartbeat},
|
|
{"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) {
|
|
if (!SSL_set1_chain(ssl, exc->chain))
|
|
return 0;
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
}
|