mirror of https://github.com/openssl/openssl
3757 lines
120 KiB
C
3757 lines
120 KiB
C
/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
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* Copyright 2005 Nokia. All rights reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if defined(_WIN32)
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/* Included before async.h to avoid some warnings */
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# include <windows.h>
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#endif
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#include <openssl/e_os2.h>
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#include <openssl/async.h>
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#include <openssl/ssl.h>
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#ifndef OPENSSL_NO_SOCK
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/*
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* With IPv6, it looks like Digital has mixed up the proper order of
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* recursive header file inclusion, resulting in the compiler complaining
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* that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
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* needed to have fileno() declared correctly... So let's define u_int
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*/
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
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# define __U_INT
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typedef unsigned int u_int;
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#endif
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#include <openssl/bn.h>
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#include "apps.h"
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#include "progs.h"
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#include <openssl/rand.h>
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#include <openssl/ocsp.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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#ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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#endif
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#ifndef OPENSSL_NO_SRP
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# include <openssl/srp.h>
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#endif
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#include "s_apps.h"
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#include "timeouts.h"
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#ifdef CHARSET_EBCDIC
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#include <openssl/ebcdic.h>
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#endif
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#include "internal/sockets.h"
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static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
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static int sv_body(int s, int stype, int prot, unsigned char *context);
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static int www_body(int s, int stype, int prot, unsigned char *context);
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static int rev_body(int s, int stype, int prot, unsigned char *context);
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static void close_accept_socket(void);
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static int init_ssl_connection(SSL *s);
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static void print_stats(BIO *bp, SSL_CTX *ctx);
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static int generate_session_id(SSL *ssl, unsigned char *id,
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unsigned int *id_len);
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static void init_session_cache_ctx(SSL_CTX *sctx);
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static void free_sessions(void);
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#ifndef OPENSSL_NO_DH
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static DH *load_dh_param(const char *dhfile);
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#endif
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static void print_connection_info(SSL *con);
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static const int bufsize = 16 * 1024;
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static int accept_socket = -1;
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#define TEST_CERT "server.pem"
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#define TEST_CERT2 "server2.pem"
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static int s_nbio = 0;
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static int s_nbio_test = 0;
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static int s_crlf = 0;
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static SSL_CTX *ctx = NULL;
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static SSL_CTX *ctx2 = NULL;
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static int www = 0;
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static BIO *bio_s_out = NULL;
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static BIO *bio_s_msg = NULL;
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static int s_debug = 0;
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static int s_tlsextdebug = 0;
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static int s_msg = 0;
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static int s_quiet = 0;
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static int s_ign_eof = 0;
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static int s_brief = 0;
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static char *keymatexportlabel = NULL;
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static int keymatexportlen = 20;
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static int async = 0;
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static int use_sendfile = 0;
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static const char *session_id_prefix = NULL;
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#ifndef OPENSSL_NO_DTLS
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static int enable_timeouts = 0;
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static long socket_mtu;
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#endif
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/*
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* We define this but make it always be 0 in no-dtls builds to simplify the
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* code.
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*/
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static int dtlslisten = 0;
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static int stateless = 0;
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static int early_data = 0;
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static SSL_SESSION *psksess = NULL;
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static char *psk_identity = "Client_identity";
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char *psk_key = NULL; /* by default PSK is not used */
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static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
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#ifndef OPENSSL_NO_PSK
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static unsigned int psk_server_cb(SSL *ssl, const char *identity,
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unsigned char *psk,
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unsigned int max_psk_len)
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{
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long key_len = 0;
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unsigned char *key;
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if (s_debug)
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BIO_printf(bio_s_out, "psk_server_cb\n");
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if (identity == NULL) {
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BIO_printf(bio_err, "Error: client did not send PSK identity\n");
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goto out_err;
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}
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if (s_debug)
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BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
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(int)strlen(identity), identity);
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/* here we could lookup the given identity e.g. from a database */
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if (strcmp(identity, psk_identity) != 0) {
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BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
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" (got '%s' expected '%s')\n", identity, psk_identity);
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} else {
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if (s_debug)
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BIO_printf(bio_s_out, "PSK client identity found\n");
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}
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/* convert the PSK key to binary */
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key = OPENSSL_hexstr2buf(psk_key, &key_len);
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if (key == NULL) {
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BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
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psk_key);
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return 0;
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}
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if (key_len > (int)max_psk_len) {
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BIO_printf(bio_err,
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"psk buffer of callback is too small (%d) for key (%ld)\n",
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max_psk_len, key_len);
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OPENSSL_free(key);
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return 0;
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}
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memcpy(psk, key, key_len);
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OPENSSL_free(key);
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if (s_debug)
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BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
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return key_len;
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out_err:
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if (s_debug)
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BIO_printf(bio_err, "Error in PSK server callback\n");
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(void)BIO_flush(bio_err);
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(void)BIO_flush(bio_s_out);
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return 0;
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}
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#endif
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static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
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size_t identity_len, SSL_SESSION **sess)
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{
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SSL_SESSION *tmpsess = NULL;
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unsigned char *key;
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long key_len;
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const SSL_CIPHER *cipher = NULL;
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if (strlen(psk_identity) != identity_len
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|| memcmp(psk_identity, identity, identity_len) != 0) {
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*sess = NULL;
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return 1;
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}
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if (psksess != NULL) {
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SSL_SESSION_up_ref(psksess);
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*sess = psksess;
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return 1;
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}
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key = OPENSSL_hexstr2buf(psk_key, &key_len);
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if (key == NULL) {
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BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
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psk_key);
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return 0;
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}
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/* We default to SHA256 */
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cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
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if (cipher == NULL) {
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BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
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OPENSSL_free(key);
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return 0;
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}
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tmpsess = SSL_SESSION_new();
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if (tmpsess == NULL
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|| !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
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|| !SSL_SESSION_set_cipher(tmpsess, cipher)
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|| !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
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OPENSSL_free(key);
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return 0;
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}
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OPENSSL_free(key);
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*sess = tmpsess;
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return 1;
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}
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#ifndef OPENSSL_NO_SRP
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/* This is a context that we pass to callbacks */
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typedef struct srpsrvparm_st {
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char *login;
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SRP_VBASE *vb;
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SRP_user_pwd *user;
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} srpsrvparm;
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static srpsrvparm srp_callback_parm;
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/*
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* This callback pretends to require some asynchronous logic in order to
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* obtain a verifier. When the callback is called for a new connection we
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* return with a negative value. This will provoke the accept etc to return
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* with an LOOKUP_X509. The main logic of the reinvokes the suspended call
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* (which would normally occur after a worker has finished) and we set the
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* user parameters.
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*/
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static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
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{
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srpsrvparm *p = (srpsrvparm *) arg;
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int ret = SSL3_AL_FATAL;
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if (p->login == NULL && p->user == NULL) {
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p->login = SSL_get_srp_username(s);
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BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
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return -1;
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}
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if (p->user == NULL) {
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BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
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goto err;
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}
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if (SSL_set_srp_server_param
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(s, p->user->N, p->user->g, p->user->s, p->user->v,
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p->user->info) < 0) {
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*ad = SSL_AD_INTERNAL_ERROR;
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goto err;
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}
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BIO_printf(bio_err,
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"SRP parameters set: username = \"%s\" info=\"%s\" \n",
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p->login, p->user->info);
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ret = SSL_ERROR_NONE;
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err:
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SRP_user_pwd_free(p->user);
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p->user = NULL;
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p->login = NULL;
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return ret;
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}
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#endif
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static int local_argc = 0;
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static char **local_argv;
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#ifdef CHARSET_EBCDIC
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static int ebcdic_new(BIO *bi);
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static int ebcdic_free(BIO *a);
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static int ebcdic_read(BIO *b, char *out, int outl);
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static int ebcdic_write(BIO *b, const char *in, int inl);
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static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
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static int ebcdic_gets(BIO *bp, char *buf, int size);
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static int ebcdic_puts(BIO *bp, const char *str);
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# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
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static BIO_METHOD *methods_ebcdic = NULL;
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/* This struct is "unwarranted chumminess with the compiler." */
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typedef struct {
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size_t alloced;
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char buff[1];
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} EBCDIC_OUTBUFF;
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static const BIO_METHOD *BIO_f_ebcdic_filter()
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{
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if (methods_ebcdic == NULL) {
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methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
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"EBCDIC/ASCII filter");
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if (methods_ebcdic == NULL
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|| !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
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|| !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
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|| !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
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|| !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
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|| !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
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|| !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
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|| !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
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return NULL;
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}
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return methods_ebcdic;
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}
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static int ebcdic_new(BIO *bi)
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{
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EBCDIC_OUTBUFF *wbuf;
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wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
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wbuf->alloced = 1024;
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wbuf->buff[0] = '\0';
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BIO_set_data(bi, wbuf);
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BIO_set_init(bi, 1);
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return 1;
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}
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static int ebcdic_free(BIO *a)
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{
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EBCDIC_OUTBUFF *wbuf;
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if (a == NULL)
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return 0;
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wbuf = BIO_get_data(a);
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OPENSSL_free(wbuf);
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BIO_set_data(a, NULL);
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BIO_set_init(a, 0);
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return 1;
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}
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static int ebcdic_read(BIO *b, char *out, int outl)
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{
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int ret = 0;
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BIO *next = BIO_next(b);
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if (out == NULL || outl == 0)
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return 0;
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if (next == NULL)
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return 0;
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ret = BIO_read(next, out, outl);
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if (ret > 0)
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ascii2ebcdic(out, out, ret);
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return ret;
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}
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static int ebcdic_write(BIO *b, const char *in, int inl)
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{
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EBCDIC_OUTBUFF *wbuf;
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BIO *next = BIO_next(b);
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int ret = 0;
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int num;
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if ((in == NULL) || (inl <= 0))
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return 0;
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if (next == NULL)
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return 0;
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wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
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if (inl > (num = wbuf->alloced)) {
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num = num + num; /* double the size */
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if (num < inl)
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num = inl;
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OPENSSL_free(wbuf);
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wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
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wbuf->alloced = num;
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wbuf->buff[0] = '\0';
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BIO_set_data(b, wbuf);
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}
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ebcdic2ascii(wbuf->buff, in, inl);
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ret = BIO_write(next, wbuf->buff, inl);
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return ret;
|
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}
|
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static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
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{
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long ret;
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BIO *next = BIO_next(b);
|
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|
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if (next == NULL)
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return 0;
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switch (cmd) {
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case BIO_CTRL_DUP:
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ret = 0L;
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break;
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default:
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ret = BIO_ctrl(next, cmd, num, ptr);
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break;
|
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}
|
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return ret;
|
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}
|
|
|
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static int ebcdic_gets(BIO *bp, char *buf, int size)
|
|
{
|
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int i, ret = 0;
|
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BIO *next = BIO_next(bp);
|
|
|
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if (next == NULL)
|
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return 0;
|
|
/* return(BIO_gets(bp->next_bio,buf,size));*/
|
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for (i = 0; i < size - 1; ++i) {
|
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ret = ebcdic_read(bp, &buf[i], 1);
|
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if (ret <= 0)
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break;
|
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else if (buf[i] == '\n') {
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++i;
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break;
|
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}
|
|
}
|
|
if (i < size)
|
|
buf[i] = '\0';
|
|
return (ret < 0 && i == 0) ? ret : i;
|
|
}
|
|
|
|
static int ebcdic_puts(BIO *bp, const char *str)
|
|
{
|
|
if (BIO_next(bp) == NULL)
|
|
return 0;
|
|
return ebcdic_write(bp, str, strlen(str));
|
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}
|
|
#endif
|
|
|
|
/* This is a context that we pass to callbacks */
|
|
typedef struct tlsextctx_st {
|
|
char *servername;
|
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BIO *biodebug;
|
|
int extension_error;
|
|
} tlsextctx;
|
|
|
|
static int ssl_servername_cb(SSL *s, int *ad, void *arg)
|
|
{
|
|
tlsextctx *p = (tlsextctx *) arg;
|
|
const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
|
|
|
|
if (servername != NULL && p->biodebug != NULL) {
|
|
const char *cp = servername;
|
|
unsigned char uc;
|
|
|
|
BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
|
|
while ((uc = *cp++) != 0)
|
|
BIO_printf(p->biodebug,
|
|
(((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
|
|
BIO_printf(p->biodebug, "\"\n");
|
|
}
|
|
|
|
if (p->servername == NULL)
|
|
return SSL_TLSEXT_ERR_NOACK;
|
|
|
|
if (servername != NULL) {
|
|
if (strcasecmp(servername, p->servername))
|
|
return p->extension_error;
|
|
if (ctx2 != NULL) {
|
|
BIO_printf(p->biodebug, "Switching server context.\n");
|
|
SSL_set_SSL_CTX(s, ctx2);
|
|
}
|
|
}
|
|
return SSL_TLSEXT_ERR_OK;
|
|
}
|
|
|
|
/* Structure passed to cert status callback */
|
|
typedef struct tlsextstatusctx_st {
|
|
int timeout;
|
|
/* File to load OCSP Response from (or NULL if no file) */
|
|
char *respin;
|
|
/* Default responder to use */
|
|
char *host, *path, *port;
|
|
int use_ssl;
|
|
int verbose;
|
|
} tlsextstatusctx;
|
|
|
|
static tlsextstatusctx tlscstatp = { -1 };
|
|
|
|
#ifndef OPENSSL_NO_OCSP
|
|
|
|
/*
|
|
* Helper function to get an OCSP_RESPONSE from a responder. This is a
|
|
* simplified version. It examines certificates each time and makes one OCSP
|
|
* responder query for each request. A full version would store details such as
|
|
* the OCSP certificate IDs and minimise the number of OCSP responses by caching
|
|
* them until they were considered "expired".
|
|
*/
|
|
static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
|
|
OCSP_RESPONSE **resp)
|
|
{
|
|
char *host = NULL, *port = NULL, *path = NULL;
|
|
int use_ssl;
|
|
STACK_OF(OPENSSL_STRING) *aia = NULL;
|
|
X509 *x = NULL;
|
|
X509_STORE_CTX *inctx = NULL;
|
|
X509_OBJECT *obj;
|
|
OCSP_REQUEST *req = NULL;
|
|
OCSP_CERTID *id = NULL;
|
|
STACK_OF(X509_EXTENSION) *exts;
|
|
int ret = SSL_TLSEXT_ERR_NOACK;
|
|
int i;
|
|
|
|
/* Build up OCSP query from server certificate */
|
|
x = SSL_get_certificate(s);
|
|
aia = X509_get1_ocsp(x);
|
|
if (aia != NULL) {
|
|
if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
|
|
&host, &port, &path, &use_ssl)) {
|
|
BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
|
|
goto err;
|
|
}
|
|
if (srctx->verbose)
|
|
BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
|
|
sk_OPENSSL_STRING_value(aia, 0));
|
|
} else {
|
|
if (srctx->host == NULL) {
|
|
BIO_puts(bio_err,
|
|
"cert_status: no AIA and no default responder URL\n");
|
|
goto done;
|
|
}
|
|
host = srctx->host;
|
|
path = srctx->path;
|
|
port = srctx->port;
|
|
use_ssl = srctx->use_ssl;
|
|
}
|
|
|
|
inctx = X509_STORE_CTX_new();
|
|
if (inctx == NULL)
|
|
goto err;
|
|
if (!X509_STORE_CTX_init(inctx,
|
|
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
|
|
NULL, NULL))
|
|
goto err;
|
|
obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
|
|
X509_get_issuer_name(x));
|
|
if (obj == NULL) {
|
|
BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
|
|
goto done;
|
|
}
|
|
id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
|
|
X509_OBJECT_free(obj);
|
|
if (id == NULL)
|
|
goto err;
|
|
req = OCSP_REQUEST_new();
|
|
if (req == NULL)
|
|
goto err;
|
|
if (!OCSP_request_add0_id(req, id))
|
|
goto err;
|
|
id = NULL;
|
|
/* Add any extensions to the request */
|
|
SSL_get_tlsext_status_exts(s, &exts);
|
|
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
|
|
X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
|
|
if (!OCSP_REQUEST_add_ext(req, ext, -1))
|
|
goto err;
|
|
}
|
|
*resp = process_responder(req, host, path, port, use_ssl, NULL,
|
|
srctx->timeout);
|
|
if (*resp == NULL) {
|
|
BIO_puts(bio_err, "cert_status: error querying responder\n");
|
|
goto done;
|
|
}
|
|
|
|
ret = SSL_TLSEXT_ERR_OK;
|
|
goto done;
|
|
|
|
err:
|
|
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
|
|
done:
|
|
/*
|
|
* If we parsed aia we need to free; otherwise they were copied and we
|
|
* don't
|
|
*/
|
|
if (aia != NULL) {
|
|
OPENSSL_free(host);
|
|
OPENSSL_free(path);
|
|
OPENSSL_free(port);
|
|
X509_email_free(aia);
|
|
}
|
|
OCSP_CERTID_free(id);
|
|
OCSP_REQUEST_free(req);
|
|
X509_STORE_CTX_free(inctx);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Certificate Status callback. This is called when a client includes a
|
|
* certificate status request extension. The response is either obtained from a
|
|
* file, or from an OCSP responder.
|
|
*/
|
|
static int cert_status_cb(SSL *s, void *arg)
|
|
{
|
|
tlsextstatusctx *srctx = arg;
|
|
OCSP_RESPONSE *resp = NULL;
|
|
unsigned char *rspder = NULL;
|
|
int rspderlen;
|
|
int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
|
|
|
|
if (srctx->verbose)
|
|
BIO_puts(bio_err, "cert_status: callback called\n");
|
|
|
|
if (srctx->respin != NULL) {
|
|
BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
|
|
if (derbio == NULL) {
|
|
BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
|
|
goto err;
|
|
}
|
|
resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
|
|
BIO_free(derbio);
|
|
if (resp == NULL) {
|
|
BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
|
|
goto err;
|
|
}
|
|
} else {
|
|
ret = get_ocsp_resp_from_responder(s, srctx, &resp);
|
|
if (ret != SSL_TLSEXT_ERR_OK)
|
|
goto err;
|
|
}
|
|
|
|
rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
|
|
if (rspderlen <= 0)
|
|
goto err;
|
|
|
|
SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
|
|
if (srctx->verbose) {
|
|
BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
|
|
OCSP_RESPONSE_print(bio_err, resp, 2);
|
|
}
|
|
|
|
ret = SSL_TLSEXT_ERR_OK;
|
|
|
|
err:
|
|
if (ret != SSL_TLSEXT_ERR_OK)
|
|
ERR_print_errors(bio_err);
|
|
|
|
OCSP_RESPONSE_free(resp);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
/* This is the context that we pass to next_proto_cb */
|
|
typedef struct tlsextnextprotoctx_st {
|
|
unsigned char *data;
|
|
size_t len;
|
|
} tlsextnextprotoctx;
|
|
|
|
static int next_proto_cb(SSL *s, const unsigned char **data,
|
|
unsigned int *len, void *arg)
|
|
{
|
|
tlsextnextprotoctx *next_proto = arg;
|
|
|
|
*data = next_proto->data;
|
|
*len = next_proto->len;
|
|
|
|
return SSL_TLSEXT_ERR_OK;
|
|
}
|
|
#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
|
|
|
|
/* This the context that we pass to alpn_cb */
|
|
typedef struct tlsextalpnctx_st {
|
|
unsigned char *data;
|
|
size_t len;
|
|
} tlsextalpnctx;
|
|
|
|
static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
|
|
const unsigned char *in, unsigned int inlen, void *arg)
|
|
{
|
|
tlsextalpnctx *alpn_ctx = arg;
|
|
|
|
if (!s_quiet) {
|
|
/* We can assume that |in| is syntactically valid. */
|
|
unsigned int i;
|
|
BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
|
|
for (i = 0; i < inlen;) {
|
|
if (i)
|
|
BIO_write(bio_s_out, ", ", 2);
|
|
BIO_write(bio_s_out, &in[i + 1], in[i]);
|
|
i += in[i] + 1;
|
|
}
|
|
BIO_write(bio_s_out, "\n", 1);
|
|
}
|
|
|
|
if (SSL_select_next_proto
|
|
((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
|
|
inlen) != OPENSSL_NPN_NEGOTIATED) {
|
|
return SSL_TLSEXT_ERR_ALERT_FATAL;
|
|
}
|
|
|
|
if (!s_quiet) {
|
|
BIO_printf(bio_s_out, "ALPN protocols selected: ");
|
|
BIO_write(bio_s_out, *out, *outlen);
|
|
BIO_write(bio_s_out, "\n", 1);
|
|
}
|
|
|
|
return SSL_TLSEXT_ERR_OK;
|
|
}
|
|
|
|
static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
|
|
{
|
|
/* disable resumption for sessions with forward secure ciphers */
|
|
return is_forward_secure;
|
|
}
|
|
|
|
typedef enum OPTION_choice {
|
|
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
|
|
OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
|
|
OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
|
|
OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
|
|
OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
|
|
OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
|
|
OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
|
|
OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
|
|
OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
|
|
OPT_VERIFYCAFILE,
|
|
OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
|
|
OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
|
|
OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
|
|
OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
|
|
OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
|
|
OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
|
|
OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
|
|
OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
|
|
OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
|
|
OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
|
|
OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
|
|
OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
|
|
OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
|
|
OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
|
|
OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
|
|
OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
|
|
OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
|
|
OPT_HTTP_SERVER_BINMODE,
|
|
OPT_R_ENUM,
|
|
OPT_S_ENUM,
|
|
OPT_V_ENUM,
|
|
OPT_X_ENUM,
|
|
OPT_PROV_ENUM
|
|
} OPTION_CHOICE;
|
|
|
|
const OPTIONS s_server_options[] = {
|
|
OPT_SECTION("General"),
|
|
{"help", OPT_HELP, '-', "Display this summary"},
|
|
{"ssl_config", OPT_SSL_CONFIG, 's',
|
|
"Configure SSL_CTX using the configuration 'val'"},
|
|
#ifndef OPENSSL_NO_SSL_TRACE
|
|
{"trace", OPT_TRACE, '-', "trace protocol messages"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
|
|
#endif
|
|
|
|
OPT_SECTION("Network"),
|
|
{"port", OPT_PORT, 'p',
|
|
"TCP/IP port to listen on for connections (default is " PORT ")"},
|
|
{"accept", OPT_ACCEPT, 's',
|
|
"TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
|
|
#ifdef AF_UNIX
|
|
{"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
|
|
{"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
|
|
#endif
|
|
{"4", OPT_4, '-', "Use IPv4 only"},
|
|
{"6", OPT_6, '-', "Use IPv6 only"},
|
|
|
|
OPT_SECTION("Identity"),
|
|
{"context", OPT_CONTEXT, 's', "Set session ID context"},
|
|
{"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
|
|
{"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
|
|
{"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
|
|
{"no-CAfile", OPT_NOCAFILE, '-',
|
|
"Do not load the default certificates file"},
|
|
{"no-CApath", OPT_NOCAPATH, '-',
|
|
"Do not load certificates from the default certificates directory"},
|
|
{"no-CAstore", OPT_NOCASTORE, '-',
|
|
"Do not load certificates from the default certificates store URI"},
|
|
{"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
|
|
{"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
|
|
{"Verify", OPT_UPPER_V_VERIFY, 'n',
|
|
"Turn on peer certificate verification, must have a cert"},
|
|
{"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
|
|
{"cert", OPT_CERT, '<', "Server certificate file to use; default is " TEST_CERT},
|
|
{"cert2", OPT_CERT2, '<',
|
|
"Certificate file to use for servername; default is" TEST_CERT2},
|
|
{"certform", OPT_CERTFORM, 'F',
|
|
"Server certificate file format (PEM or DER) PEM default"},
|
|
{"cert_chain", OPT_CERT_CHAIN, '<',
|
|
"Server certificate chain file in PEM format"},
|
|
{"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
|
|
{"serverinfo", OPT_SERVERINFO, 's',
|
|
"PEM serverinfo file for certificate"},
|
|
{"key", OPT_KEY, 's',
|
|
"Private key file to use; default is -cert file or else" TEST_CERT},
|
|
{"key2", OPT_KEY2, '<',
|
|
"-Private Key file to use for servername if not in -cert2"},
|
|
{"keyform", OPT_KEYFORM, 'f',
|
|
"Key format (PEM, DER or ENGINE) PEM default"},
|
|
{"pass", OPT_PASS, 's', "Private key file pass phrase source"},
|
|
{"dcert", OPT_DCERT, '<',
|
|
"Second server certificate file to use (usually for DSA)"},
|
|
{"dcertform", OPT_DCERTFORM, 'F',
|
|
"Second server certificate file format (PEM or DER) PEM default"},
|
|
{"dcert_chain", OPT_DCERT_CHAIN, '<',
|
|
"second server certificate chain file in PEM format"},
|
|
{"dkey", OPT_DKEY, '<',
|
|
"Second private key file to use (usually for DSA)"},
|
|
{"dkeyform", OPT_DKEYFORM, 'F',
|
|
"Second key file format (PEM, DER or ENGINE) PEM default"},
|
|
{"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
|
|
{"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
|
|
{"servername", OPT_SERVERNAME, 's',
|
|
"Servername for HostName TLS extension"},
|
|
{"servername_fatal", OPT_SERVERNAME_FATAL, '-',
|
|
"mismatch send fatal alert (default warning alert)"},
|
|
|
|
{"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
|
|
{"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
|
|
|
|
{"quiet", OPT_QUIET, '-', "No server output"},
|
|
{"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
|
|
"Disable caching and tickets if ephemeral (EC)DH is used"},
|
|
{"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
|
|
{"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
|
|
{"tlsextdebug", OPT_TLSEXTDEBUG, '-',
|
|
"Hex dump of all TLS extensions received"},
|
|
{"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
|
|
{"id_prefix", OPT_ID_PREFIX, 's',
|
|
"Generate SSL/TLS session IDs prefixed by arg"},
|
|
{"keymatexport", OPT_KEYMATEXPORT, 's',
|
|
"Export keying material using label"},
|
|
{"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
|
|
"Export len bytes of keying material (default 20)"},
|
|
{"CRL", OPT_CRL, '<', "CRL file to use"},
|
|
{"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
|
|
{"crl_download", OPT_CRL_DOWNLOAD, '-',
|
|
"Download CRLs from distribution points in certificate CDP entries"},
|
|
{"chainCAfile", OPT_CHAINCAFILE, '<',
|
|
"CA file for certificate chain (PEM format)"},
|
|
{"chainCApath", OPT_CHAINCAPATH, '/',
|
|
"use dir as certificate store path to build CA certificate chain"},
|
|
{"chainCAstore", OPT_CHAINCASTORE, ':',
|
|
"use URI as certificate store to build CA certificate chain"},
|
|
{"verifyCAfile", OPT_VERIFYCAFILE, '<',
|
|
"CA file for certificate verification (PEM format)"},
|
|
{"verifyCApath", OPT_VERIFYCAPATH, '/',
|
|
"use dir as certificate store path to verify CA certificate"},
|
|
{"verifyCAstore", OPT_VERIFYCASTORE, ':',
|
|
"use URI as certificate store to verify CA certificate"},
|
|
{"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
|
|
{"ext_cache", OPT_EXT_CACHE, '-',
|
|
"Disable internal cache, setup and use external cache"},
|
|
{"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
|
|
"Close connection on verification error"},
|
|
{"verify_quiet", OPT_VERIFY_QUIET, '-',
|
|
"No verify output except verify errors"},
|
|
{"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
|
|
{"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
|
|
|
|
#ifndef OPENSSL_NO_OCSP
|
|
OPT_SECTION("OCSP"),
|
|
{"status", OPT_STATUS, '-', "Request certificate status from server"},
|
|
{"status_verbose", OPT_STATUS_VERBOSE, '-',
|
|
"Print more output in certificate status callback"},
|
|
{"status_timeout", OPT_STATUS_TIMEOUT, 'n',
|
|
"Status request responder timeout"},
|
|
{"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
|
|
{"status_file", OPT_STATUS_FILE, '<',
|
|
"File containing DER encoded OCSP Response"},
|
|
#endif
|
|
|
|
OPT_SECTION("Debug"),
|
|
{"security_debug", OPT_SECURITY_DEBUG, '-',
|
|
"Print output from SSL/TLS security framework"},
|
|
{"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
|
|
"Print more output from SSL/TLS security framework"},
|
|
{"brief", OPT_BRIEF, '-',
|
|
"Restrict output to brief summary of connection parameters"},
|
|
{"rev", OPT_REV, '-',
|
|
"act as a simple test server which just sends back with the received text reversed"},
|
|
{"debug", OPT_DEBUG, '-', "Print more output"},
|
|
{"msg", OPT_MSG, '-', "Show protocol messages"},
|
|
{"msgfile", OPT_MSGFILE, '>',
|
|
"File to send output of -msg or -trace, instead of stdout"},
|
|
{"state", OPT_STATE, '-', "Print the SSL states"},
|
|
{"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
|
|
{"max_pipelines", OPT_MAX_PIPELINES, 'p',
|
|
"Maximum number of encrypt/decrypt pipelines to be used"},
|
|
{"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
|
|
{"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
|
|
|
|
OPT_SECTION("Network"),
|
|
{"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
|
|
{"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
|
|
{"mtu", OPT_MTU, 'p', "Set link layer MTU"},
|
|
{"read_buf", OPT_READ_BUF, 'p',
|
|
"Default read buffer size to be used for connections"},
|
|
{"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
|
|
"Size used to split data for encrypt pipelines"},
|
|
{"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
|
|
|
|
OPT_SECTION("Server identity"),
|
|
{"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
|
|
#ifndef OPENSSL_NO_PSK
|
|
{"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
|
|
#endif
|
|
{"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
|
|
{"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
|
|
#ifndef OPENSSL_NO_SRP
|
|
{"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
|
|
{"srpuserseed", OPT_SRPUSERSEED, 's',
|
|
"A seed string for a default user salt"},
|
|
#endif
|
|
|
|
OPT_SECTION("Protocol and version"),
|
|
{"max_early_data", OPT_MAX_EARLY, 'n',
|
|
"The maximum number of bytes of early data as advertised in tickets"},
|
|
{"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
|
|
"The maximum number of bytes of early data (hard limit)"},
|
|
{"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
|
|
{"num_tickets", OPT_S_NUM_TICKETS, 'n',
|
|
"The number of TLSv1.3 session tickets that a server will automatically issue" },
|
|
{"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
|
|
{"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
|
|
{"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
|
|
{"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
|
|
#ifndef OPENSSL_NO_SSL3
|
|
{"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_TLS1
|
|
{"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_TLS1_1
|
|
{"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_TLS1_2
|
|
{"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_TLS1_3
|
|
{"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_DTLS
|
|
{"dtls", OPT_DTLS, '-', "Use any DTLS version"},
|
|
{"listen", OPT_LISTEN, '-',
|
|
"Listen for a DTLS ClientHello with a cookie and then connect"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_DTLS1
|
|
{"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_DTLS1_2
|
|
{"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_SCTP
|
|
{"sctp", OPT_SCTP, '-', "Use SCTP"},
|
|
{"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_SRTP
|
|
{"use_srtp", OPT_SRTP_PROFILES, 's',
|
|
"Offer SRTP key management with a colon-separated profile list"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_DH
|
|
{"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
{"nextprotoneg", OPT_NEXTPROTONEG, 's',
|
|
"Set the advertised protocols for the NPN extension (comma-separated list)"},
|
|
#endif
|
|
{"alpn", OPT_ALPN, 's',
|
|
"Set the advertised protocols for the ALPN extension (comma-separated list)"},
|
|
#ifndef OPENSSL_NO_KTLS
|
|
{"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
|
|
#endif
|
|
|
|
OPT_R_OPTIONS,
|
|
OPT_S_OPTIONS,
|
|
OPT_V_OPTIONS,
|
|
OPT_X_OPTIONS,
|
|
OPT_PROV_OPTIONS,
|
|
{NULL}
|
|
};
|
|
|
|
#define IS_PROT_FLAG(o) \
|
|
(o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
|
|
|| o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
|
|
|
|
int s_server_main(int argc, char *argv[])
|
|
{
|
|
ENGINE *engine = NULL;
|
|
EVP_PKEY *s_key = NULL, *s_dkey = NULL;
|
|
SSL_CONF_CTX *cctx = NULL;
|
|
const SSL_METHOD *meth = TLS_server_method();
|
|
SSL_EXCERT *exc = NULL;
|
|
STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
|
|
STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
|
|
STACK_OF(X509_CRL) *crls = NULL;
|
|
X509 *s_cert = NULL, *s_dcert = NULL;
|
|
X509_VERIFY_PARAM *vpm = NULL;
|
|
const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
|
|
const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
|
|
char *dpassarg = NULL, *dpass = NULL;
|
|
char *passarg = NULL, *pass = NULL;
|
|
char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
|
|
char *crl_file = NULL, *prog;
|
|
#ifdef AF_UNIX
|
|
int unlink_unix_path = 0;
|
|
#endif
|
|
do_server_cb server_cb;
|
|
int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
|
|
#ifndef OPENSSL_NO_DH
|
|
char *dhfile = NULL;
|
|
int no_dhe = 0;
|
|
#endif
|
|
int nocert = 0, ret = 1;
|
|
int noCApath = 0, noCAfile = 0, noCAstore = 0;
|
|
int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
|
|
int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
|
|
int rev = 0, naccept = -1, sdebug = 0;
|
|
int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
|
|
int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
|
|
char *host = NULL;
|
|
char *port = OPENSSL_strdup(PORT);
|
|
unsigned char *context = NULL;
|
|
OPTION_CHOICE o;
|
|
EVP_PKEY *s_key2 = NULL;
|
|
X509 *s_cert2 = NULL;
|
|
tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
|
|
const char *ssl_config = NULL;
|
|
int read_buf_len = 0;
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
const char *next_proto_neg_in = NULL;
|
|
tlsextnextprotoctx next_proto = { NULL, 0 };
|
|
#endif
|
|
const char *alpn_in = NULL;
|
|
tlsextalpnctx alpn_ctx = { NULL, 0 };
|
|
#ifndef OPENSSL_NO_PSK
|
|
/* by default do not send a PSK identity hint */
|
|
char *psk_identity_hint = NULL;
|
|
#endif
|
|
char *p;
|
|
#ifndef OPENSSL_NO_SRP
|
|
char *srpuserseed = NULL;
|
|
char *srp_verifier_file = NULL;
|
|
#endif
|
|
#ifndef OPENSSL_NO_SRTP
|
|
char *srtp_profiles = NULL;
|
|
#endif
|
|
int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
|
|
int s_server_verify = SSL_VERIFY_NONE;
|
|
int s_server_session_id_context = 1; /* anything will do */
|
|
const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
|
|
const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
|
|
char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
|
|
#ifndef OPENSSL_NO_OCSP
|
|
int s_tlsextstatus = 0;
|
|
#endif
|
|
int no_resume_ephemeral = 0;
|
|
unsigned int max_send_fragment = 0;
|
|
unsigned int split_send_fragment = 0, max_pipelines = 0;
|
|
const char *s_serverinfo_file = NULL;
|
|
const char *keylog_file = NULL;
|
|
int max_early_data = -1, recv_max_early_data = -1;
|
|
char *psksessf = NULL;
|
|
#ifndef OPENSSL_NO_SCTP
|
|
int sctp_label_bug = 0;
|
|
#endif
|
|
|
|
/* Init of few remaining global variables */
|
|
local_argc = argc;
|
|
local_argv = argv;
|
|
|
|
ctx = ctx2 = NULL;
|
|
s_nbio = s_nbio_test = 0;
|
|
www = 0;
|
|
bio_s_out = NULL;
|
|
s_debug = 0;
|
|
s_msg = 0;
|
|
s_quiet = 0;
|
|
s_brief = 0;
|
|
async = 0;
|
|
use_sendfile = 0;
|
|
|
|
cctx = SSL_CONF_CTX_new();
|
|
vpm = X509_VERIFY_PARAM_new();
|
|
if (cctx == NULL || vpm == NULL)
|
|
goto end;
|
|
SSL_CONF_CTX_set_flags(cctx,
|
|
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
|
|
|
|
prog = opt_init(argc, argv, s_server_options);
|
|
while ((o = opt_next()) != OPT_EOF) {
|
|
if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
|
|
BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
|
|
goto end;
|
|
}
|
|
if (IS_NO_PROT_FLAG(o))
|
|
no_prot_opt++;
|
|
if (prot_opt == 1 && no_prot_opt) {
|
|
BIO_printf(bio_err,
|
|
"Cannot supply both a protocol flag and '-no_<prot>'\n");
|
|
goto end;
|
|
}
|
|
switch (o) {
|
|
case OPT_EOF:
|
|
case OPT_ERR:
|
|
opthelp:
|
|
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
|
|
goto end;
|
|
case OPT_HELP:
|
|
opt_help(s_server_options);
|
|
ret = 0;
|
|
goto end;
|
|
|
|
case OPT_4:
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX) {
|
|
OPENSSL_free(host); host = NULL;
|
|
OPENSSL_free(port); port = NULL;
|
|
}
|
|
#endif
|
|
socket_family = AF_INET;
|
|
break;
|
|
case OPT_6:
|
|
if (1) {
|
|
#ifdef AF_INET6
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX) {
|
|
OPENSSL_free(host); host = NULL;
|
|
OPENSSL_free(port); port = NULL;
|
|
}
|
|
#endif
|
|
socket_family = AF_INET6;
|
|
} else {
|
|
#endif
|
|
BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_PORT:
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX) {
|
|
socket_family = AF_UNSPEC;
|
|
}
|
|
#endif
|
|
OPENSSL_free(port); port = NULL;
|
|
OPENSSL_free(host); host = NULL;
|
|
if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
|
|
BIO_printf(bio_err,
|
|
"%s: -port argument malformed or ambiguous\n",
|
|
port);
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_ACCEPT:
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX) {
|
|
socket_family = AF_UNSPEC;
|
|
}
|
|
#endif
|
|
OPENSSL_free(port); port = NULL;
|
|
OPENSSL_free(host); host = NULL;
|
|
if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
|
|
BIO_printf(bio_err,
|
|
"%s: -accept argument malformed or ambiguous\n",
|
|
port);
|
|
goto end;
|
|
}
|
|
break;
|
|
#ifdef AF_UNIX
|
|
case OPT_UNIX:
|
|
socket_family = AF_UNIX;
|
|
OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
|
|
OPENSSL_free(port); port = NULL;
|
|
break;
|
|
case OPT_UNLINK:
|
|
unlink_unix_path = 1;
|
|
break;
|
|
#endif
|
|
case OPT_NACCEPT:
|
|
naccept = atol(opt_arg());
|
|
break;
|
|
case OPT_VERIFY:
|
|
s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
|
|
verify_args.depth = atoi(opt_arg());
|
|
if (!s_quiet)
|
|
BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
|
|
break;
|
|
case OPT_UPPER_V_VERIFY:
|
|
s_server_verify =
|
|
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
|
|
SSL_VERIFY_CLIENT_ONCE;
|
|
verify_args.depth = atoi(opt_arg());
|
|
if (!s_quiet)
|
|
BIO_printf(bio_err,
|
|
"verify depth is %d, must return a certificate\n",
|
|
verify_args.depth);
|
|
break;
|
|
case OPT_CONTEXT:
|
|
context = (unsigned char *)opt_arg();
|
|
break;
|
|
case OPT_CERT:
|
|
s_cert_file = opt_arg();
|
|
break;
|
|
case OPT_NAMEOPT:
|
|
if (!set_nameopt(opt_arg()))
|
|
goto end;
|
|
break;
|
|
case OPT_CRL:
|
|
crl_file = opt_arg();
|
|
break;
|
|
case OPT_CRL_DOWNLOAD:
|
|
crl_download = 1;
|
|
break;
|
|
case OPT_SERVERINFO:
|
|
s_serverinfo_file = opt_arg();
|
|
break;
|
|
case OPT_CERTFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_KEY:
|
|
s_key_file = opt_arg();
|
|
break;
|
|
case OPT_KEYFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PDE, &s_key_format))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_PASS:
|
|
passarg = opt_arg();
|
|
break;
|
|
case OPT_CERT_CHAIN:
|
|
s_chain_file = opt_arg();
|
|
break;
|
|
case OPT_DHPARAM:
|
|
#ifndef OPENSSL_NO_DH
|
|
dhfile = opt_arg();
|
|
#endif
|
|
break;
|
|
case OPT_DCERTFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_DCERT:
|
|
s_dcert_file = opt_arg();
|
|
break;
|
|
case OPT_DKEYFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PDE, &s_dkey_format))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_DPASS:
|
|
dpassarg = opt_arg();
|
|
break;
|
|
case OPT_DKEY:
|
|
s_dkey_file = opt_arg();
|
|
break;
|
|
case OPT_DCERT_CHAIN:
|
|
s_dchain_file = opt_arg();
|
|
break;
|
|
case OPT_NOCERT:
|
|
nocert = 1;
|
|
break;
|
|
case OPT_CAPATH:
|
|
CApath = opt_arg();
|
|
break;
|
|
case OPT_NOCAPATH:
|
|
noCApath = 1;
|
|
break;
|
|
case OPT_CHAINCAPATH:
|
|
chCApath = opt_arg();
|
|
break;
|
|
case OPT_VERIFYCAPATH:
|
|
vfyCApath = opt_arg();
|
|
break;
|
|
case OPT_CASTORE:
|
|
CAstore = opt_arg();
|
|
break;
|
|
case OPT_NOCASTORE:
|
|
noCAstore = 1;
|
|
break;
|
|
case OPT_CHAINCASTORE:
|
|
chCAstore = opt_arg();
|
|
break;
|
|
case OPT_VERIFYCASTORE:
|
|
vfyCAstore = opt_arg();
|
|
break;
|
|
case OPT_NO_CACHE:
|
|
no_cache = 1;
|
|
break;
|
|
case OPT_EXT_CACHE:
|
|
ext_cache = 1;
|
|
break;
|
|
case OPT_CRLFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_S_CASES:
|
|
case OPT_S_NUM_TICKETS:
|
|
case OPT_ANTI_REPLAY:
|
|
case OPT_NO_ANTI_REPLAY:
|
|
if (ssl_args == NULL)
|
|
ssl_args = sk_OPENSSL_STRING_new_null();
|
|
if (ssl_args == NULL
|
|
|| !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
|
|
|| !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
|
|
BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_V_CASES:
|
|
if (!opt_verify(o, vpm))
|
|
goto end;
|
|
vpmtouched++;
|
|
break;
|
|
case OPT_X_CASES:
|
|
if (!args_excert(o, &exc))
|
|
goto end;
|
|
break;
|
|
case OPT_VERIFY_RET_ERROR:
|
|
verify_args.return_error = 1;
|
|
break;
|
|
case OPT_VERIFY_QUIET:
|
|
verify_args.quiet = 1;
|
|
break;
|
|
case OPT_BUILD_CHAIN:
|
|
build_chain = 1;
|
|
break;
|
|
case OPT_CAFILE:
|
|
CAfile = opt_arg();
|
|
break;
|
|
case OPT_NOCAFILE:
|
|
noCAfile = 1;
|
|
break;
|
|
case OPT_CHAINCAFILE:
|
|
chCAfile = opt_arg();
|
|
break;
|
|
case OPT_VERIFYCAFILE:
|
|
vfyCAfile = opt_arg();
|
|
break;
|
|
case OPT_NBIO:
|
|
s_nbio = 1;
|
|
break;
|
|
case OPT_NBIO_TEST:
|
|
s_nbio = s_nbio_test = 1;
|
|
break;
|
|
case OPT_IGN_EOF:
|
|
s_ign_eof = 1;
|
|
break;
|
|
case OPT_NO_IGN_EOF:
|
|
s_ign_eof = 0;
|
|
break;
|
|
case OPT_DEBUG:
|
|
s_debug = 1;
|
|
break;
|
|
case OPT_TLSEXTDEBUG:
|
|
s_tlsextdebug = 1;
|
|
break;
|
|
case OPT_STATUS:
|
|
#ifndef OPENSSL_NO_OCSP
|
|
s_tlsextstatus = 1;
|
|
#endif
|
|
break;
|
|
case OPT_STATUS_VERBOSE:
|
|
#ifndef OPENSSL_NO_OCSP
|
|
s_tlsextstatus = tlscstatp.verbose = 1;
|
|
#endif
|
|
break;
|
|
case OPT_STATUS_TIMEOUT:
|
|
#ifndef OPENSSL_NO_OCSP
|
|
s_tlsextstatus = 1;
|
|
tlscstatp.timeout = atoi(opt_arg());
|
|
#endif
|
|
break;
|
|
case OPT_STATUS_URL:
|
|
#ifndef OPENSSL_NO_OCSP
|
|
s_tlsextstatus = 1;
|
|
if (!OSSL_HTTP_parse_url(opt_arg(),
|
|
&tlscstatp.host, &tlscstatp.port,
|
|
&tlscstatp.path, &tlscstatp.use_ssl)) {
|
|
BIO_printf(bio_err, "Error parsing URL\n");
|
|
goto end;
|
|
}
|
|
#endif
|
|
break;
|
|
case OPT_STATUS_FILE:
|
|
#ifndef OPENSSL_NO_OCSP
|
|
s_tlsextstatus = 1;
|
|
tlscstatp.respin = opt_arg();
|
|
#endif
|
|
break;
|
|
case OPT_MSG:
|
|
s_msg = 1;
|
|
break;
|
|
case OPT_MSGFILE:
|
|
bio_s_msg = BIO_new_file(opt_arg(), "w");
|
|
break;
|
|
case OPT_TRACE:
|
|
#ifndef OPENSSL_NO_SSL_TRACE
|
|
s_msg = 2;
|
|
#endif
|
|
break;
|
|
case OPT_SECURITY_DEBUG:
|
|
sdebug = 1;
|
|
break;
|
|
case OPT_SECURITY_DEBUG_VERBOSE:
|
|
sdebug = 2;
|
|
break;
|
|
case OPT_STATE:
|
|
state = 1;
|
|
break;
|
|
case OPT_CRLF:
|
|
s_crlf = 1;
|
|
break;
|
|
case OPT_QUIET:
|
|
s_quiet = 1;
|
|
break;
|
|
case OPT_BRIEF:
|
|
s_quiet = s_brief = verify_args.quiet = 1;
|
|
break;
|
|
case OPT_NO_DHE:
|
|
#ifndef OPENSSL_NO_DH
|
|
no_dhe = 1;
|
|
#endif
|
|
break;
|
|
case OPT_NO_RESUME_EPHEMERAL:
|
|
no_resume_ephemeral = 1;
|
|
break;
|
|
case OPT_PSK_IDENTITY:
|
|
psk_identity = opt_arg();
|
|
break;
|
|
case OPT_PSK_HINT:
|
|
#ifndef OPENSSL_NO_PSK
|
|
psk_identity_hint = opt_arg();
|
|
#endif
|
|
break;
|
|
case OPT_PSK:
|
|
for (p = psk_key = opt_arg(); *p; p++) {
|
|
if (isxdigit(_UC(*p)))
|
|
continue;
|
|
BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_PSK_SESS:
|
|
psksessf = opt_arg();
|
|
break;
|
|
case OPT_SRPVFILE:
|
|
#ifndef OPENSSL_NO_SRP
|
|
srp_verifier_file = opt_arg();
|
|
if (min_version < TLS1_VERSION)
|
|
min_version = TLS1_VERSION;
|
|
#endif
|
|
break;
|
|
case OPT_SRPUSERSEED:
|
|
#ifndef OPENSSL_NO_SRP
|
|
srpuserseed = opt_arg();
|
|
if (min_version < TLS1_VERSION)
|
|
min_version = TLS1_VERSION;
|
|
#endif
|
|
break;
|
|
case OPT_REV:
|
|
rev = 1;
|
|
break;
|
|
case OPT_WWW:
|
|
www = 1;
|
|
break;
|
|
case OPT_UPPER_WWW:
|
|
www = 2;
|
|
break;
|
|
case OPT_HTTP:
|
|
www = 3;
|
|
break;
|
|
case OPT_SSL_CONFIG:
|
|
ssl_config = opt_arg();
|
|
break;
|
|
case OPT_SSL3:
|
|
min_version = SSL3_VERSION;
|
|
max_version = SSL3_VERSION;
|
|
break;
|
|
case OPT_TLS1_3:
|
|
min_version = TLS1_3_VERSION;
|
|
max_version = TLS1_3_VERSION;
|
|
break;
|
|
case OPT_TLS1_2:
|
|
min_version = TLS1_2_VERSION;
|
|
max_version = TLS1_2_VERSION;
|
|
break;
|
|
case OPT_TLS1_1:
|
|
min_version = TLS1_1_VERSION;
|
|
max_version = TLS1_1_VERSION;
|
|
break;
|
|
case OPT_TLS1:
|
|
min_version = TLS1_VERSION;
|
|
max_version = TLS1_VERSION;
|
|
break;
|
|
case OPT_DTLS:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
meth = DTLS_server_method();
|
|
socket_type = SOCK_DGRAM;
|
|
#endif
|
|
break;
|
|
case OPT_DTLS1:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
meth = DTLS_server_method();
|
|
min_version = DTLS1_VERSION;
|
|
max_version = DTLS1_VERSION;
|
|
socket_type = SOCK_DGRAM;
|
|
#endif
|
|
break;
|
|
case OPT_DTLS1_2:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
meth = DTLS_server_method();
|
|
min_version = DTLS1_2_VERSION;
|
|
max_version = DTLS1_2_VERSION;
|
|
socket_type = SOCK_DGRAM;
|
|
#endif
|
|
break;
|
|
case OPT_SCTP:
|
|
#ifndef OPENSSL_NO_SCTP
|
|
protocol = IPPROTO_SCTP;
|
|
#endif
|
|
break;
|
|
case OPT_SCTP_LABEL_BUG:
|
|
#ifndef OPENSSL_NO_SCTP
|
|
sctp_label_bug = 1;
|
|
#endif
|
|
break;
|
|
case OPT_TIMEOUT:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
enable_timeouts = 1;
|
|
#endif
|
|
break;
|
|
case OPT_MTU:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
socket_mtu = atol(opt_arg());
|
|
#endif
|
|
break;
|
|
case OPT_LISTEN:
|
|
#ifndef OPENSSL_NO_DTLS
|
|
dtlslisten = 1;
|
|
#endif
|
|
break;
|
|
case OPT_STATELESS:
|
|
stateless = 1;
|
|
break;
|
|
case OPT_ID_PREFIX:
|
|
session_id_prefix = opt_arg();
|
|
break;
|
|
case OPT_ENGINE:
|
|
engine = setup_engine(opt_arg(), 1);
|
|
break;
|
|
case OPT_R_CASES:
|
|
if (!opt_rand(o))
|
|
goto end;
|
|
break;
|
|
case OPT_PROV_CASES:
|
|
if (!opt_provider(o))
|
|
goto end;
|
|
break;
|
|
case OPT_SERVERNAME:
|
|
tlsextcbp.servername = opt_arg();
|
|
break;
|
|
case OPT_SERVERNAME_FATAL:
|
|
tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
|
|
break;
|
|
case OPT_CERT2:
|
|
s_cert_file2 = opt_arg();
|
|
break;
|
|
case OPT_KEY2:
|
|
s_key_file2 = opt_arg();
|
|
break;
|
|
case OPT_NEXTPROTONEG:
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
next_proto_neg_in = opt_arg();
|
|
#endif
|
|
break;
|
|
case OPT_ALPN:
|
|
alpn_in = opt_arg();
|
|
break;
|
|
case OPT_SRTP_PROFILES:
|
|
#ifndef OPENSSL_NO_SRTP
|
|
srtp_profiles = opt_arg();
|
|
#endif
|
|
break;
|
|
case OPT_KEYMATEXPORT:
|
|
keymatexportlabel = opt_arg();
|
|
break;
|
|
case OPT_KEYMATEXPORTLEN:
|
|
keymatexportlen = atoi(opt_arg());
|
|
break;
|
|
case OPT_ASYNC:
|
|
async = 1;
|
|
break;
|
|
case OPT_MAX_SEND_FRAG:
|
|
max_send_fragment = atoi(opt_arg());
|
|
break;
|
|
case OPT_SPLIT_SEND_FRAG:
|
|
split_send_fragment = atoi(opt_arg());
|
|
break;
|
|
case OPT_MAX_PIPELINES:
|
|
max_pipelines = atoi(opt_arg());
|
|
break;
|
|
case OPT_READ_BUF:
|
|
read_buf_len = atoi(opt_arg());
|
|
break;
|
|
case OPT_KEYLOG_FILE:
|
|
keylog_file = opt_arg();
|
|
break;
|
|
case OPT_MAX_EARLY:
|
|
max_early_data = atoi(opt_arg());
|
|
if (max_early_data < 0) {
|
|
BIO_printf(bio_err, "Invalid value for max_early_data\n");
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_RECV_MAX_EARLY:
|
|
recv_max_early_data = atoi(opt_arg());
|
|
if (recv_max_early_data < 0) {
|
|
BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
|
|
goto end;
|
|
}
|
|
break;
|
|
case OPT_EARLY_DATA:
|
|
early_data = 1;
|
|
if (max_early_data == -1)
|
|
max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
|
|
break;
|
|
case OPT_HTTP_SERVER_BINMODE:
|
|
http_server_binmode = 1;
|
|
break;
|
|
case OPT_SENDFILE:
|
|
#ifndef OPENSSL_NO_KTLS
|
|
use_sendfile = 1;
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
argc = opt_num_rest();
|
|
argv = opt_rest();
|
|
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
|
|
BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
|
|
goto opthelp;
|
|
}
|
|
#endif
|
|
#ifndef OPENSSL_NO_DTLS
|
|
if (www && socket_type == SOCK_DGRAM) {
|
|
BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
|
|
goto end;
|
|
}
|
|
|
|
if (dtlslisten && socket_type != SOCK_DGRAM) {
|
|
BIO_printf(bio_err, "Can only use -listen with DTLS\n");
|
|
goto end;
|
|
}
|
|
#endif
|
|
|
|
if (stateless && socket_type != SOCK_STREAM) {
|
|
BIO_printf(bio_err, "Can only use --stateless with TLS\n");
|
|
goto end;
|
|
}
|
|
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
|
|
BIO_printf(bio_err,
|
|
"Can't use unix sockets and datagrams together\n");
|
|
goto end;
|
|
}
|
|
#endif
|
|
if (early_data && (www > 0 || rev)) {
|
|
BIO_printf(bio_err,
|
|
"Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
|
|
goto end;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
if (protocol == IPPROTO_SCTP) {
|
|
if (socket_type != SOCK_DGRAM) {
|
|
BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
|
|
goto end;
|
|
}
|
|
/* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
|
|
socket_type = SOCK_STREAM;
|
|
}
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_KTLS
|
|
if (use_sendfile && www <= 1) {
|
|
BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
|
|
goto end;
|
|
}
|
|
#endif
|
|
|
|
if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
|
|
BIO_printf(bio_err, "Error getting password\n");
|
|
goto end;
|
|
}
|
|
|
|
if (s_key_file == NULL)
|
|
s_key_file = s_cert_file;
|
|
|
|
if (s_key_file2 == NULL)
|
|
s_key_file2 = s_cert_file2;
|
|
|
|
if (!load_excert(&exc))
|
|
goto end;
|
|
|
|
if (nocert == 0) {
|
|
s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
|
|
"server certificate private key file");
|
|
if (s_key == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
s_cert = load_cert(s_cert_file, s_cert_format,
|
|
"server certificate file");
|
|
|
|
if (s_cert == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (s_chain_file != NULL) {
|
|
if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
|
|
"server certificate chain"))
|
|
goto end;
|
|
}
|
|
|
|
if (tlsextcbp.servername != NULL) {
|
|
s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
|
|
"second server certificate private key file");
|
|
if (s_key2 == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
s_cert2 = load_cert(s_cert_file2, s_cert_format,
|
|
"second server certificate file");
|
|
|
|
if (s_cert2 == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
}
|
|
#if !defined(OPENSSL_NO_NEXTPROTONEG)
|
|
if (next_proto_neg_in) {
|
|
next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
|
|
if (next_proto.data == NULL)
|
|
goto end;
|
|
}
|
|
#endif
|
|
alpn_ctx.data = NULL;
|
|
if (alpn_in) {
|
|
alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
|
|
if (alpn_ctx.data == NULL)
|
|
goto end;
|
|
}
|
|
|
|
if (crl_file != NULL) {
|
|
X509_CRL *crl;
|
|
crl = load_crl(crl_file, crl_format);
|
|
if (crl == NULL) {
|
|
BIO_puts(bio_err, "Error loading CRL\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
crls = sk_X509_CRL_new_null();
|
|
if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
|
|
BIO_puts(bio_err, "Error adding CRL\n");
|
|
ERR_print_errors(bio_err);
|
|
X509_CRL_free(crl);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (s_dcert_file != NULL) {
|
|
|
|
if (s_dkey_file == NULL)
|
|
s_dkey_file = s_dcert_file;
|
|
|
|
s_dkey = load_key(s_dkey_file, s_dkey_format,
|
|
0, dpass, engine, "second certificate private key file");
|
|
if (s_dkey == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
s_dcert = load_cert(s_dcert_file, s_dcert_format,
|
|
"second server certificate file");
|
|
|
|
if (s_dcert == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (s_dchain_file != NULL) {
|
|
if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
|
|
"second server certificate chain"))
|
|
goto end;
|
|
}
|
|
|
|
}
|
|
|
|
if (bio_s_out == NULL) {
|
|
if (s_quiet && !s_debug) {
|
|
bio_s_out = BIO_new(BIO_s_null());
|
|
if (s_msg && bio_s_msg == NULL)
|
|
bio_s_msg = dup_bio_out(FORMAT_TEXT);
|
|
} else {
|
|
if (bio_s_out == NULL)
|
|
bio_s_out = dup_bio_out(FORMAT_TEXT);
|
|
}
|
|
}
|
|
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
|
|
if (nocert)
|
|
#endif
|
|
{
|
|
s_cert_file = NULL;
|
|
s_key_file = NULL;
|
|
s_dcert_file = NULL;
|
|
s_dkey_file = NULL;
|
|
s_cert_file2 = NULL;
|
|
s_key_file2 = NULL;
|
|
}
|
|
|
|
ctx = SSL_CTX_new(meth);
|
|
if (ctx == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
|
|
|
|
if (sdebug)
|
|
ssl_ctx_security_debug(ctx, sdebug);
|
|
|
|
if (!config_ctx(cctx, ssl_args, ctx))
|
|
goto end;
|
|
|
|
if (ssl_config) {
|
|
if (SSL_CTX_config(ctx, ssl_config) == 0) {
|
|
BIO_printf(bio_err, "Error using configuration \"%s\"\n",
|
|
ssl_config);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
|
|
SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
|
|
#endif
|
|
|
|
if (min_version != 0
|
|
&& SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
|
|
goto end;
|
|
if (max_version != 0
|
|
&& SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
|
|
goto end;
|
|
|
|
if (session_id_prefix) {
|
|
if (strlen(session_id_prefix) >= 32)
|
|
BIO_printf(bio_err,
|
|
"warning: id_prefix is too long, only one new session will be possible\n");
|
|
if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
|
|
BIO_printf(bio_err, "error setting 'id_prefix'\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
|
|
}
|
|
SSL_CTX_set_quiet_shutdown(ctx, 1);
|
|
if (exc != NULL)
|
|
ssl_ctx_set_excert(ctx, exc);
|
|
|
|
if (state)
|
|
SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
|
|
if (no_cache)
|
|
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
|
|
else if (ext_cache)
|
|
init_session_cache_ctx(ctx);
|
|
else
|
|
SSL_CTX_sess_set_cache_size(ctx, 128);
|
|
|
|
if (async) {
|
|
SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
|
|
}
|
|
|
|
if (max_send_fragment > 0
|
|
&& !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
|
|
BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
|
|
prog, max_send_fragment);
|
|
goto end;
|
|
}
|
|
|
|
if (split_send_fragment > 0
|
|
&& !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
|
|
BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
|
|
prog, split_send_fragment);
|
|
goto end;
|
|
}
|
|
if (max_pipelines > 0
|
|
&& !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
|
|
BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
|
|
prog, max_pipelines);
|
|
goto end;
|
|
}
|
|
|
|
if (read_buf_len > 0) {
|
|
SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
|
|
}
|
|
#ifndef OPENSSL_NO_SRTP
|
|
if (srtp_profiles != NULL) {
|
|
/* Returns 0 on success! */
|
|
if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
|
|
BIO_printf(bio_err, "Error setting SRTP profile\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
|
|
CAstore, noCAstore)) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
|
|
BIO_printf(bio_err, "Error setting verify params\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
ssl_ctx_add_crls(ctx, crls, 0);
|
|
|
|
if (!ssl_load_stores(ctx,
|
|
vfyCApath, vfyCAfile, vfyCAstore,
|
|
chCApath, chCAfile, chCAstore,
|
|
crls, crl_download)) {
|
|
BIO_printf(bio_err, "Error loading store locations\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (s_cert2) {
|
|
ctx2 = SSL_CTX_new(meth);
|
|
if (ctx2 == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (ctx2 != NULL) {
|
|
BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
|
|
|
|
if (sdebug)
|
|
ssl_ctx_security_debug(ctx2, sdebug);
|
|
|
|
if (session_id_prefix) {
|
|
if (strlen(session_id_prefix) >= 32)
|
|
BIO_printf(bio_err,
|
|
"warning: id_prefix is too long, only one new session will be possible\n");
|
|
if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
|
|
BIO_printf(bio_err, "error setting 'id_prefix'\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
|
|
}
|
|
SSL_CTX_set_quiet_shutdown(ctx2, 1);
|
|
if (exc != NULL)
|
|
ssl_ctx_set_excert(ctx2, exc);
|
|
|
|
if (state)
|
|
SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
|
|
|
|
if (no_cache)
|
|
SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
|
|
else if (ext_cache)
|
|
init_session_cache_ctx(ctx2);
|
|
else
|
|
SSL_CTX_sess_set_cache_size(ctx2, 128);
|
|
|
|
if (async)
|
|
SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
|
|
|
|
if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
|
|
noCApath, CAstore, noCAstore)) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
|
|
BIO_printf(bio_err, "Error setting verify params\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
ssl_ctx_add_crls(ctx2, crls, 0);
|
|
if (!config_ctx(cctx, ssl_args, ctx2))
|
|
goto end;
|
|
}
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
if (next_proto.data)
|
|
SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
|
|
&next_proto);
|
|
#endif
|
|
if (alpn_ctx.data)
|
|
SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
|
|
|
|
#ifndef OPENSSL_NO_DH
|
|
if (!no_dhe) {
|
|
DH *dh = NULL;
|
|
|
|
if (dhfile != NULL)
|
|
dh = load_dh_param(dhfile);
|
|
else if (s_cert_file != NULL)
|
|
dh = load_dh_param(s_cert_file);
|
|
|
|
if (dh != NULL) {
|
|
BIO_printf(bio_s_out, "Setting temp DH parameters\n");
|
|
} else {
|
|
BIO_printf(bio_s_out, "Using default temp DH parameters\n");
|
|
}
|
|
(void)BIO_flush(bio_s_out);
|
|
|
|
if (dh == NULL) {
|
|
SSL_CTX_set_dh_auto(ctx, 1);
|
|
} else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
|
|
BIO_puts(bio_err, "Error setting temp DH parameters\n");
|
|
ERR_print_errors(bio_err);
|
|
DH_free(dh);
|
|
goto end;
|
|
}
|
|
|
|
if (ctx2 != NULL) {
|
|
if (!dhfile) {
|
|
DH *dh2 = load_dh_param(s_cert_file2);
|
|
if (dh2 != NULL) {
|
|
BIO_printf(bio_s_out, "Setting temp DH parameters\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
|
|
DH_free(dh);
|
|
dh = dh2;
|
|
}
|
|
}
|
|
if (dh == NULL) {
|
|
SSL_CTX_set_dh_auto(ctx2, 1);
|
|
} else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
|
|
BIO_puts(bio_err, "Error setting temp DH parameters\n");
|
|
ERR_print_errors(bio_err);
|
|
DH_free(dh);
|
|
goto end;
|
|
}
|
|
}
|
|
DH_free(dh);
|
|
}
|
|
#endif
|
|
|
|
if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
|
|
goto end;
|
|
|
|
if (s_serverinfo_file != NULL
|
|
&& !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (ctx2 != NULL
|
|
&& !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
|
|
goto end;
|
|
|
|
if (s_dcert != NULL) {
|
|
if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
|
|
goto end;
|
|
}
|
|
|
|
if (no_resume_ephemeral) {
|
|
SSL_CTX_set_not_resumable_session_callback(ctx,
|
|
not_resumable_sess_cb);
|
|
|
|
if (ctx2 != NULL)
|
|
SSL_CTX_set_not_resumable_session_callback(ctx2,
|
|
not_resumable_sess_cb);
|
|
}
|
|
#ifndef OPENSSL_NO_PSK
|
|
if (psk_key != NULL) {
|
|
if (s_debug)
|
|
BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
|
|
SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
|
|
}
|
|
|
|
if (psk_identity_hint != NULL) {
|
|
if (min_version == TLS1_3_VERSION) {
|
|
BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
|
|
} else {
|
|
if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
|
|
BIO_printf(bio_err, "error setting PSK identity hint to context\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
if (psksessf != NULL) {
|
|
BIO *stmp = BIO_new_file(psksessf, "r");
|
|
|
|
if (stmp == NULL) {
|
|
BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
|
|
BIO_free(stmp);
|
|
if (psksess == NULL) {
|
|
BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
}
|
|
|
|
if (psk_key != NULL || psksess != NULL)
|
|
SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
|
|
|
|
SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
|
|
if (!SSL_CTX_set_session_id_context(ctx,
|
|
(void *)&s_server_session_id_context,
|
|
sizeof(s_server_session_id_context))) {
|
|
BIO_printf(bio_err, "error setting session id context\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
/* Set DTLS cookie generation and verification callbacks */
|
|
SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
|
|
SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
|
|
|
|
/* Set TLS1.3 cookie generation and verification callbacks */
|
|
SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
|
|
SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
|
|
|
|
if (ctx2 != NULL) {
|
|
SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
|
|
if (!SSL_CTX_set_session_id_context(ctx2,
|
|
(void *)&s_server_session_id_context,
|
|
sizeof(s_server_session_id_context))) {
|
|
BIO_printf(bio_err, "error setting session id context\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
tlsextcbp.biodebug = bio_s_out;
|
|
SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
|
|
SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
|
|
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
|
|
SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_SRP
|
|
if (srp_verifier_file != NULL) {
|
|
srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
|
|
srp_callback_parm.user = NULL;
|
|
srp_callback_parm.login = NULL;
|
|
if ((ret =
|
|
SRP_VBASE_init(srp_callback_parm.vb,
|
|
srp_verifier_file)) != SRP_NO_ERROR) {
|
|
BIO_printf(bio_err,
|
|
"Cannot initialize SRP verifier file \"%s\":ret=%d\n",
|
|
srp_verifier_file, ret);
|
|
goto end;
|
|
}
|
|
SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
|
|
SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
|
|
SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
|
|
} else
|
|
#endif
|
|
if (CAfile != NULL) {
|
|
SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
|
|
|
|
if (ctx2)
|
|
SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
|
|
}
|
|
#ifndef OPENSSL_NO_OCSP
|
|
if (s_tlsextstatus) {
|
|
SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
|
|
SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
|
|
if (ctx2) {
|
|
SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
|
|
SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
|
|
}
|
|
}
|
|
#endif
|
|
if (set_keylog_file(ctx, keylog_file))
|
|
goto end;
|
|
|
|
if (max_early_data >= 0)
|
|
SSL_CTX_set_max_early_data(ctx, max_early_data);
|
|
if (recv_max_early_data >= 0)
|
|
SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
|
|
|
|
if (rev)
|
|
server_cb = rev_body;
|
|
else if (www)
|
|
server_cb = www_body;
|
|
else
|
|
server_cb = sv_body;
|
|
#ifdef AF_UNIX
|
|
if (socket_family == AF_UNIX
|
|
&& unlink_unix_path)
|
|
unlink(host);
|
|
#endif
|
|
do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
|
|
server_cb, context, naccept, bio_s_out);
|
|
print_stats(bio_s_out, ctx);
|
|
ret = 0;
|
|
end:
|
|
SSL_CTX_free(ctx);
|
|
SSL_SESSION_free(psksess);
|
|
set_keylog_file(NULL, NULL);
|
|
X509_free(s_cert);
|
|
sk_X509_CRL_pop_free(crls, X509_CRL_free);
|
|
X509_free(s_dcert);
|
|
EVP_PKEY_free(s_key);
|
|
EVP_PKEY_free(s_dkey);
|
|
sk_X509_pop_free(s_chain, X509_free);
|
|
sk_X509_pop_free(s_dchain, X509_free);
|
|
OPENSSL_free(pass);
|
|
OPENSSL_free(dpass);
|
|
OPENSSL_free(host);
|
|
OPENSSL_free(port);
|
|
X509_VERIFY_PARAM_free(vpm);
|
|
free_sessions();
|
|
OPENSSL_free(tlscstatp.host);
|
|
OPENSSL_free(tlscstatp.port);
|
|
OPENSSL_free(tlscstatp.path);
|
|
SSL_CTX_free(ctx2);
|
|
X509_free(s_cert2);
|
|
EVP_PKEY_free(s_key2);
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
OPENSSL_free(next_proto.data);
|
|
#endif
|
|
OPENSSL_free(alpn_ctx.data);
|
|
ssl_excert_free(exc);
|
|
sk_OPENSSL_STRING_free(ssl_args);
|
|
SSL_CONF_CTX_free(cctx);
|
|
release_engine(engine);
|
|
BIO_free(bio_s_out);
|
|
bio_s_out = NULL;
|
|
BIO_free(bio_s_msg);
|
|
bio_s_msg = NULL;
|
|
#ifdef CHARSET_EBCDIC
|
|
BIO_meth_free(methods_ebcdic);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
|
|
{
|
|
BIO_printf(bio, "%4ld items in the session cache\n",
|
|
SSL_CTX_sess_number(ssl_ctx));
|
|
BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
|
|
SSL_CTX_sess_connect(ssl_ctx));
|
|
BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
|
|
SSL_CTX_sess_connect_renegotiate(ssl_ctx));
|
|
BIO_printf(bio, "%4ld client connects that finished\n",
|
|
SSL_CTX_sess_connect_good(ssl_ctx));
|
|
BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
|
|
SSL_CTX_sess_accept(ssl_ctx));
|
|
BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
|
|
SSL_CTX_sess_accept_renegotiate(ssl_ctx));
|
|
BIO_printf(bio, "%4ld server accepts that finished\n",
|
|
SSL_CTX_sess_accept_good(ssl_ctx));
|
|
BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
|
|
BIO_printf(bio, "%4ld session cache misses\n",
|
|
SSL_CTX_sess_misses(ssl_ctx));
|
|
BIO_printf(bio, "%4ld session cache timeouts\n",
|
|
SSL_CTX_sess_timeouts(ssl_ctx));
|
|
BIO_printf(bio, "%4ld callback cache hits\n",
|
|
SSL_CTX_sess_cb_hits(ssl_ctx));
|
|
BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
|
|
SSL_CTX_sess_cache_full(ssl_ctx),
|
|
SSL_CTX_sess_get_cache_size(ssl_ctx));
|
|
}
|
|
|
|
static int sv_body(int s, int stype, int prot, unsigned char *context)
|
|
{
|
|
char *buf = NULL;
|
|
fd_set readfds;
|
|
int ret = 1, width;
|
|
int k, i;
|
|
unsigned long l;
|
|
SSL *con = NULL;
|
|
BIO *sbio;
|
|
struct timeval timeout;
|
|
#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
|
|
struct timeval *timeoutp;
|
|
#endif
|
|
#ifndef OPENSSL_NO_DTLS
|
|
# ifndef OPENSSL_NO_SCTP
|
|
int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
|
|
# else
|
|
int isdtls = (stype == SOCK_DGRAM);
|
|
# endif
|
|
#endif
|
|
|
|
buf = app_malloc(bufsize, "server buffer");
|
|
if (s_nbio) {
|
|
if (!BIO_socket_nbio(s, 1))
|
|
ERR_print_errors(bio_err);
|
|
else if (!s_quiet)
|
|
BIO_printf(bio_err, "Turned on non blocking io\n");
|
|
}
|
|
|
|
con = SSL_new(ctx);
|
|
if (con == NULL) {
|
|
ret = -1;
|
|
goto err;
|
|
}
|
|
|
|
if (s_tlsextdebug) {
|
|
SSL_set_tlsext_debug_callback(con, tlsext_cb);
|
|
SSL_set_tlsext_debug_arg(con, bio_s_out);
|
|
}
|
|
|
|
if (context != NULL
|
|
&& !SSL_set_session_id_context(con, context,
|
|
strlen((char *)context))) {
|
|
BIO_printf(bio_err, "Error setting session id context\n");
|
|
ret = -1;
|
|
goto err;
|
|
}
|
|
|
|
if (!SSL_clear(con)) {
|
|
BIO_printf(bio_err, "Error clearing SSL connection\n");
|
|
ret = -1;
|
|
goto err;
|
|
}
|
|
#ifndef OPENSSL_NO_DTLS
|
|
if (isdtls) {
|
|
# ifndef OPENSSL_NO_SCTP
|
|
if (prot == IPPROTO_SCTP)
|
|
sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
|
|
else
|
|
# endif
|
|
sbio = BIO_new_dgram(s, BIO_NOCLOSE);
|
|
|
|
if (enable_timeouts) {
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_usec = DGRAM_RCV_TIMEOUT;
|
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
|
|
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_usec = DGRAM_SND_TIMEOUT;
|
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
|
|
}
|
|
|
|
if (socket_mtu) {
|
|
if (socket_mtu < DTLS_get_link_min_mtu(con)) {
|
|
BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
|
|
DTLS_get_link_min_mtu(con));
|
|
ret = -1;
|
|
BIO_free(sbio);
|
|
goto err;
|
|
}
|
|
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
|
|
if (!DTLS_set_link_mtu(con, socket_mtu)) {
|
|
BIO_printf(bio_err, "Failed to set MTU\n");
|
|
ret = -1;
|
|
BIO_free(sbio);
|
|
goto err;
|
|
}
|
|
} else
|
|
/* want to do MTU discovery */
|
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
|
|
|
|
# ifndef OPENSSL_NO_SCTP
|
|
if (prot != IPPROTO_SCTP)
|
|
# endif
|
|
/* Turn on cookie exchange. Not necessary for SCTP */
|
|
SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
|
|
} else
|
|
#endif
|
|
sbio = BIO_new_socket(s, BIO_NOCLOSE);
|
|
|
|
if (sbio == NULL) {
|
|
BIO_printf(bio_err, "Unable to create BIO\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
|
|
if (s_nbio_test) {
|
|
BIO *test;
|
|
|
|
test = BIO_new(BIO_f_nbio_test());
|
|
sbio = BIO_push(test, sbio);
|
|
}
|
|
|
|
SSL_set_bio(con, sbio, sbio);
|
|
SSL_set_accept_state(con);
|
|
/* SSL_set_fd(con,s); */
|
|
|
|
if (s_debug) {
|
|
BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
|
|
BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
|
|
}
|
|
if (s_msg) {
|
|
#ifndef OPENSSL_NO_SSL_TRACE
|
|
if (s_msg == 2)
|
|
SSL_set_msg_callback(con, SSL_trace);
|
|
else
|
|
#endif
|
|
SSL_set_msg_callback(con, msg_cb);
|
|
SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
|
|
}
|
|
|
|
if (s_tlsextdebug) {
|
|
SSL_set_tlsext_debug_callback(con, tlsext_cb);
|
|
SSL_set_tlsext_debug_arg(con, bio_s_out);
|
|
}
|
|
|
|
if (early_data) {
|
|
int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
|
|
size_t readbytes;
|
|
|
|
while (edret != SSL_READ_EARLY_DATA_FINISH) {
|
|
for (;;) {
|
|
edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
|
|
if (edret != SSL_READ_EARLY_DATA_ERROR)
|
|
break;
|
|
|
|
switch (SSL_get_error(con, 0)) {
|
|
case SSL_ERROR_WANT_WRITE:
|
|
case SSL_ERROR_WANT_ASYNC:
|
|
case SSL_ERROR_WANT_READ:
|
|
/* Just keep trying - busy waiting */
|
|
continue;
|
|
default:
|
|
BIO_printf(bio_err, "Error reading early data\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
}
|
|
if (readbytes > 0) {
|
|
if (write_header) {
|
|
BIO_printf(bio_s_out, "Early data received:\n");
|
|
write_header = 0;
|
|
}
|
|
raw_write_stdout(buf, (unsigned int)readbytes);
|
|
(void)BIO_flush(bio_s_out);
|
|
}
|
|
}
|
|
if (write_header) {
|
|
if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
|
|
BIO_printf(bio_s_out, "No early data received\n");
|
|
else
|
|
BIO_printf(bio_s_out, "Early data was rejected\n");
|
|
} else {
|
|
BIO_printf(bio_s_out, "\nEnd of early data\n");
|
|
}
|
|
if (SSL_is_init_finished(con))
|
|
print_connection_info(con);
|
|
}
|
|
|
|
if (fileno_stdin() > s)
|
|
width = fileno_stdin() + 1;
|
|
else
|
|
width = s + 1;
|
|
for (;;) {
|
|
int read_from_terminal;
|
|
int read_from_sslcon;
|
|
|
|
read_from_terminal = 0;
|
|
read_from_sslcon = SSL_has_pending(con)
|
|
|| (async && SSL_waiting_for_async(con));
|
|
|
|
if (!read_from_sslcon) {
|
|
FD_ZERO(&readfds);
|
|
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
|
|
openssl_fdset(fileno_stdin(), &readfds);
|
|
#endif
|
|
openssl_fdset(s, &readfds);
|
|
/*
|
|
* Note: under VMS with SOCKETSHR the second parameter is
|
|
* currently of type (int *) whereas under other systems it is
|
|
* (void *) if you don't have a cast it will choke the compiler:
|
|
* if you do have a cast then you can either go for (int *) or
|
|
* (void *).
|
|
*/
|
|
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
|
|
/*
|
|
* Under DOS (non-djgpp) and Windows we can't select on stdin:
|
|
* only on sockets. As a workaround we timeout the select every
|
|
* second and check for any keypress. In a proper Windows
|
|
* application we wouldn't do this because it is inefficient.
|
|
*/
|
|
timeout.tv_sec = 1;
|
|
timeout.tv_usec = 0;
|
|
i = select(width, (void *)&readfds, NULL, NULL, &timeout);
|
|
if (has_stdin_waiting())
|
|
read_from_terminal = 1;
|
|
if ((i < 0) || (!i && !read_from_terminal))
|
|
continue;
|
|
#else
|
|
if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
|
|
timeoutp = &timeout;
|
|
else
|
|
timeoutp = NULL;
|
|
|
|
i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
|
|
|
|
if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
|
|
BIO_printf(bio_err, "TIMEOUT occurred\n");
|
|
|
|
if (i <= 0)
|
|
continue;
|
|
if (FD_ISSET(fileno_stdin(), &readfds))
|
|
read_from_terminal = 1;
|
|
#endif
|
|
if (FD_ISSET(s, &readfds))
|
|
read_from_sslcon = 1;
|
|
}
|
|
if (read_from_terminal) {
|
|
if (s_crlf) {
|
|
int j, lf_num;
|
|
|
|
i = raw_read_stdin(buf, bufsize / 2);
|
|
lf_num = 0;
|
|
/* both loops are skipped when i <= 0 */
|
|
for (j = 0; j < i; j++)
|
|
if (buf[j] == '\n')
|
|
lf_num++;
|
|
for (j = i - 1; j >= 0; j--) {
|
|
buf[j + lf_num] = buf[j];
|
|
if (buf[j] == '\n') {
|
|
lf_num--;
|
|
i++;
|
|
buf[j + lf_num] = '\r';
|
|
}
|
|
}
|
|
assert(lf_num == 0);
|
|
} else {
|
|
i = raw_read_stdin(buf, bufsize);
|
|
}
|
|
|
|
if (!s_quiet && !s_brief) {
|
|
if ((i <= 0) || (buf[0] == 'Q')) {
|
|
BIO_printf(bio_s_out, "DONE\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
BIO_closesocket(s);
|
|
close_accept_socket();
|
|
ret = -11;
|
|
goto err;
|
|
}
|
|
if ((i <= 0) || (buf[0] == 'q')) {
|
|
BIO_printf(bio_s_out, "DONE\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
if (SSL_version(con) != DTLS1_VERSION)
|
|
BIO_closesocket(s);
|
|
/*
|
|
* close_accept_socket(); ret= -11;
|
|
*/
|
|
goto err;
|
|
}
|
|
if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
|
|
SSL_renegotiate(con);
|
|
i = SSL_do_handshake(con);
|
|
printf("SSL_do_handshake -> %d\n", i);
|
|
i = 0; /* 13; */
|
|
continue;
|
|
}
|
|
if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
|
|
SSL_set_verify(con,
|
|
SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
|
|
NULL);
|
|
SSL_renegotiate(con);
|
|
i = SSL_do_handshake(con);
|
|
printf("SSL_do_handshake -> %d\n", i);
|
|
i = 0; /* 13; */
|
|
continue;
|
|
}
|
|
if ((buf[0] == 'K' || buf[0] == 'k')
|
|
&& ((buf[1] == '\n') || (buf[1] == '\r'))) {
|
|
SSL_key_update(con, buf[0] == 'K' ?
|
|
SSL_KEY_UPDATE_REQUESTED
|
|
: SSL_KEY_UPDATE_NOT_REQUESTED);
|
|
i = SSL_do_handshake(con);
|
|
printf("SSL_do_handshake -> %d\n", i);
|
|
i = 0;
|
|
continue;
|
|
}
|
|
if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
|
|
SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
|
|
i = SSL_verify_client_post_handshake(con);
|
|
if (i == 0) {
|
|
printf("Failed to initiate request\n");
|
|
ERR_print_errors(bio_err);
|
|
} else {
|
|
i = SSL_do_handshake(con);
|
|
printf("SSL_do_handshake -> %d\n", i);
|
|
i = 0;
|
|
}
|
|
continue;
|
|
}
|
|
if (buf[0] == 'P') {
|
|
static const char str[] = "Lets print some clear text\n";
|
|
BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
|
|
}
|
|
if (buf[0] == 'S') {
|
|
print_stats(bio_s_out, SSL_get_SSL_CTX(con));
|
|
}
|
|
}
|
|
#ifdef CHARSET_EBCDIC
|
|
ebcdic2ascii(buf, buf, i);
|
|
#endif
|
|
l = k = 0;
|
|
for (;;) {
|
|
/* should do a select for the write */
|
|
#ifdef RENEG
|
|
static count = 0;
|
|
if (++count == 100) {
|
|
count = 0;
|
|
SSL_renegotiate(con);
|
|
}
|
|
#endif
|
|
k = SSL_write(con, &(buf[l]), (unsigned int)i);
|
|
#ifndef OPENSSL_NO_SRP
|
|
while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP renego during write\n");
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
k = SSL_write(con, &(buf[l]), (unsigned int)i);
|
|
}
|
|
#endif
|
|
switch (SSL_get_error(con, k)) {
|
|
case SSL_ERROR_NONE:
|
|
break;
|
|
case SSL_ERROR_WANT_ASYNC:
|
|
BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
wait_for_async(con);
|
|
break;
|
|
case SSL_ERROR_WANT_WRITE:
|
|
case SSL_ERROR_WANT_READ:
|
|
case SSL_ERROR_WANT_X509_LOOKUP:
|
|
BIO_printf(bio_s_out, "Write BLOCK\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
break;
|
|
case SSL_ERROR_WANT_ASYNC_JOB:
|
|
/*
|
|
* This shouldn't ever happen in s_server. Treat as an error
|
|
*/
|
|
case SSL_ERROR_SYSCALL:
|
|
case SSL_ERROR_SSL:
|
|
BIO_printf(bio_s_out, "ERROR\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
ERR_print_errors(bio_err);
|
|
ret = 1;
|
|
goto err;
|
|
/* break; */
|
|
case SSL_ERROR_ZERO_RETURN:
|
|
BIO_printf(bio_s_out, "DONE\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
ret = 1;
|
|
goto err;
|
|
}
|
|
if (k > 0) {
|
|
l += k;
|
|
i -= k;
|
|
}
|
|
if (i <= 0)
|
|
break;
|
|
}
|
|
}
|
|
if (read_from_sslcon) {
|
|
/*
|
|
* init_ssl_connection handles all async events itself so if we're
|
|
* waiting for async then we shouldn't go back into
|
|
* init_ssl_connection
|
|
*/
|
|
if ((!async || !SSL_waiting_for_async(con))
|
|
&& !SSL_is_init_finished(con)) {
|
|
i = init_ssl_connection(con);
|
|
|
|
if (i < 0) {
|
|
ret = 0;
|
|
goto err;
|
|
} else if (i == 0) {
|
|
ret = 1;
|
|
goto err;
|
|
}
|
|
} else {
|
|
again:
|
|
i = SSL_read(con, (char *)buf, bufsize);
|
|
#ifndef OPENSSL_NO_SRP
|
|
while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP renego during read\n");
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
i = SSL_read(con, (char *)buf, bufsize);
|
|
}
|
|
#endif
|
|
switch (SSL_get_error(con, i)) {
|
|
case SSL_ERROR_NONE:
|
|
#ifdef CHARSET_EBCDIC
|
|
ascii2ebcdic(buf, buf, i);
|
|
#endif
|
|
raw_write_stdout(buf, (unsigned int)i);
|
|
(void)BIO_flush(bio_s_out);
|
|
if (SSL_has_pending(con))
|
|
goto again;
|
|
break;
|
|
case SSL_ERROR_WANT_ASYNC:
|
|
BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
wait_for_async(con);
|
|
break;
|
|
case SSL_ERROR_WANT_WRITE:
|
|
case SSL_ERROR_WANT_READ:
|
|
BIO_printf(bio_s_out, "Read BLOCK\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
break;
|
|
case SSL_ERROR_WANT_ASYNC_JOB:
|
|
/*
|
|
* This shouldn't ever happen in s_server. Treat as an error
|
|
*/
|
|
case SSL_ERROR_SYSCALL:
|
|
case SSL_ERROR_SSL:
|
|
BIO_printf(bio_s_out, "ERROR\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
ERR_print_errors(bio_err);
|
|
ret = 1;
|
|
goto err;
|
|
case SSL_ERROR_ZERO_RETURN:
|
|
BIO_printf(bio_s_out, "DONE\n");
|
|
(void)BIO_flush(bio_s_out);
|
|
ret = 1;
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
err:
|
|
if (con != NULL) {
|
|
BIO_printf(bio_s_out, "shutting down SSL\n");
|
|
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
|
|
SSL_free(con);
|
|
}
|
|
BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
|
|
OPENSSL_clear_free(buf, bufsize);
|
|
return ret;
|
|
}
|
|
|
|
static void close_accept_socket(void)
|
|
{
|
|
BIO_printf(bio_err, "shutdown accept socket\n");
|
|
if (accept_socket >= 0) {
|
|
BIO_closesocket(accept_socket);
|
|
}
|
|
}
|
|
|
|
static int is_retryable(SSL *con, int i)
|
|
{
|
|
int err = SSL_get_error(con, i);
|
|
|
|
/* If it's not a fatal error, it must be retryable */
|
|
return (err != SSL_ERROR_SSL)
|
|
&& (err != SSL_ERROR_SYSCALL)
|
|
&& (err != SSL_ERROR_ZERO_RETURN);
|
|
}
|
|
|
|
static int init_ssl_connection(SSL *con)
|
|
{
|
|
int i;
|
|
long verify_err;
|
|
int retry = 0;
|
|
|
|
if (dtlslisten || stateless) {
|
|
BIO_ADDR *client = NULL;
|
|
|
|
if (dtlslisten) {
|
|
if ((client = BIO_ADDR_new()) == NULL) {
|
|
BIO_printf(bio_err, "ERROR - memory\n");
|
|
return 0;
|
|
}
|
|
i = DTLSv1_listen(con, client);
|
|
} else {
|
|
i = SSL_stateless(con);
|
|
}
|
|
if (i > 0) {
|
|
BIO *wbio;
|
|
int fd = -1;
|
|
|
|
if (dtlslisten) {
|
|
wbio = SSL_get_wbio(con);
|
|
if (wbio) {
|
|
BIO_get_fd(wbio, &fd);
|
|
}
|
|
|
|
if (!wbio || BIO_connect(fd, client, 0) == 0) {
|
|
BIO_printf(bio_err, "ERROR - unable to connect\n");
|
|
BIO_ADDR_free(client);
|
|
return 0;
|
|
}
|
|
|
|
(void)BIO_ctrl_set_connected(wbio, client);
|
|
BIO_ADDR_free(client);
|
|
dtlslisten = 0;
|
|
} else {
|
|
stateless = 0;
|
|
}
|
|
i = SSL_accept(con);
|
|
} else {
|
|
BIO_ADDR_free(client);
|
|
}
|
|
} else {
|
|
do {
|
|
i = SSL_accept(con);
|
|
|
|
if (i <= 0)
|
|
retry = is_retryable(con, i);
|
|
#ifdef CERT_CB_TEST_RETRY
|
|
{
|
|
while (i <= 0
|
|
&& SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
|
|
&& SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
|
|
BIO_printf(bio_err,
|
|
"LOOKUP from certificate callback during accept\n");
|
|
i = SSL_accept(con);
|
|
if (i <= 0)
|
|
retry = is_retryable(con, i);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_SRP
|
|
while (i <= 0
|
|
&& SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
|
|
srp_callback_parm.login);
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
i = SSL_accept(con);
|
|
if (i <= 0)
|
|
retry = is_retryable(con, i);
|
|
}
|
|
#endif
|
|
} while (i < 0 && SSL_waiting_for_async(con));
|
|
}
|
|
|
|
if (i <= 0) {
|
|
if (((dtlslisten || stateless) && i == 0)
|
|
|| (!dtlslisten && !stateless && retry)) {
|
|
BIO_printf(bio_s_out, "DELAY\n");
|
|
return 1;
|
|
}
|
|
|
|
BIO_printf(bio_err, "ERROR\n");
|
|
|
|
verify_err = SSL_get_verify_result(con);
|
|
if (verify_err != X509_V_OK) {
|
|
BIO_printf(bio_err, "verify error:%s\n",
|
|
X509_verify_cert_error_string(verify_err));
|
|
}
|
|
/* Always print any error messages */
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
|
|
print_connection_info(con);
|
|
return 1;
|
|
}
|
|
|
|
static void print_connection_info(SSL *con)
|
|
{
|
|
const char *str;
|
|
X509 *peer;
|
|
char buf[BUFSIZ];
|
|
#if !defined(OPENSSL_NO_NEXTPROTONEG)
|
|
const unsigned char *next_proto_neg;
|
|
unsigned next_proto_neg_len;
|
|
#endif
|
|
unsigned char *exportedkeymat;
|
|
int i;
|
|
|
|
if (s_brief)
|
|
print_ssl_summary(con);
|
|
|
|
PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
|
|
|
|
peer = SSL_get_peer_certificate(con);
|
|
if (peer != NULL) {
|
|
BIO_printf(bio_s_out, "Client certificate\n");
|
|
PEM_write_bio_X509(bio_s_out, peer);
|
|
dump_cert_text(bio_s_out, peer);
|
|
X509_free(peer);
|
|
peer = NULL;
|
|
}
|
|
|
|
if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
|
|
BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
|
|
str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
|
|
ssl_print_sigalgs(bio_s_out, con);
|
|
#ifndef OPENSSL_NO_EC
|
|
ssl_print_point_formats(bio_s_out, con);
|
|
ssl_print_groups(bio_s_out, con, 0);
|
|
#endif
|
|
print_ca_names(bio_s_out, con);
|
|
BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
|
|
|
|
#if !defined(OPENSSL_NO_NEXTPROTONEG)
|
|
SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
|
|
if (next_proto_neg) {
|
|
BIO_printf(bio_s_out, "NEXTPROTO is ");
|
|
BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
|
|
BIO_printf(bio_s_out, "\n");
|
|
}
|
|
#endif
|
|
#ifndef OPENSSL_NO_SRTP
|
|
{
|
|
SRTP_PROTECTION_PROFILE *srtp_profile
|
|
= SSL_get_selected_srtp_profile(con);
|
|
|
|
if (srtp_profile)
|
|
BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
|
|
srtp_profile->name);
|
|
}
|
|
#endif
|
|
if (SSL_session_reused(con))
|
|
BIO_printf(bio_s_out, "Reused session-id\n");
|
|
BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
|
|
SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
|
|
if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
|
|
BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
|
|
|
|
if (keymatexportlabel != NULL) {
|
|
BIO_printf(bio_s_out, "Keying material exporter:\n");
|
|
BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
|
|
BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
|
|
exportedkeymat = app_malloc(keymatexportlen, "export key");
|
|
if (!SSL_export_keying_material(con, exportedkeymat,
|
|
keymatexportlen,
|
|
keymatexportlabel,
|
|
strlen(keymatexportlabel),
|
|
NULL, 0, 0)) {
|
|
BIO_printf(bio_s_out, " Error\n");
|
|
} else {
|
|
BIO_printf(bio_s_out, " Keying material: ");
|
|
for (i = 0; i < keymatexportlen; i++)
|
|
BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
|
|
BIO_printf(bio_s_out, "\n");
|
|
}
|
|
OPENSSL_free(exportedkeymat);
|
|
}
|
|
#ifndef OPENSSL_NO_KTLS
|
|
if (BIO_get_ktls_send(SSL_get_wbio(con)))
|
|
BIO_printf(bio_err, "Using Kernel TLS for sending\n");
|
|
if (BIO_get_ktls_recv(SSL_get_rbio(con)))
|
|
BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
|
|
#endif
|
|
|
|
(void)BIO_flush(bio_s_out);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DH
|
|
static DH *load_dh_param(const char *dhfile)
|
|
{
|
|
DH *ret = NULL;
|
|
BIO *bio;
|
|
|
|
if ((bio = BIO_new_file(dhfile, "r")) == NULL)
|
|
goto err;
|
|
ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
|
|
err:
|
|
BIO_free(bio);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int www_body(int s, int stype, int prot, unsigned char *context)
|
|
{
|
|
char *buf = NULL;
|
|
int ret = 1;
|
|
int i, j, k, dot;
|
|
SSL *con;
|
|
const SSL_CIPHER *c;
|
|
BIO *io, *ssl_bio, *sbio;
|
|
#ifdef RENEG
|
|
int total_bytes = 0;
|
|
#endif
|
|
int width;
|
|
fd_set readfds;
|
|
const char *opmode;
|
|
|
|
/* Set width for a select call if needed */
|
|
width = s + 1;
|
|
|
|
buf = app_malloc(bufsize, "server www buffer");
|
|
io = BIO_new(BIO_f_buffer());
|
|
ssl_bio = BIO_new(BIO_f_ssl());
|
|
if ((io == NULL) || (ssl_bio == NULL))
|
|
goto err;
|
|
|
|
if (s_nbio) {
|
|
if (!BIO_socket_nbio(s, 1))
|
|
ERR_print_errors(bio_err);
|
|
else if (!s_quiet)
|
|
BIO_printf(bio_err, "Turned on non blocking io\n");
|
|
}
|
|
|
|
/* lets make the output buffer a reasonable size */
|
|
if (!BIO_set_write_buffer_size(io, bufsize))
|
|
goto err;
|
|
|
|
if ((con = SSL_new(ctx)) == NULL)
|
|
goto err;
|
|
|
|
if (s_tlsextdebug) {
|
|
SSL_set_tlsext_debug_callback(con, tlsext_cb);
|
|
SSL_set_tlsext_debug_arg(con, bio_s_out);
|
|
}
|
|
|
|
if (context != NULL
|
|
&& !SSL_set_session_id_context(con, context,
|
|
strlen((char *)context))) {
|
|
SSL_free(con);
|
|
goto err;
|
|
}
|
|
|
|
sbio = BIO_new_socket(s, BIO_NOCLOSE);
|
|
if (s_nbio_test) {
|
|
BIO *test;
|
|
|
|
test = BIO_new(BIO_f_nbio_test());
|
|
sbio = BIO_push(test, sbio);
|
|
}
|
|
SSL_set_bio(con, sbio, sbio);
|
|
SSL_set_accept_state(con);
|
|
|
|
/* No need to free |con| after this. Done by BIO_free(ssl_bio) */
|
|
BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
|
|
BIO_push(io, ssl_bio);
|
|
#ifdef CHARSET_EBCDIC
|
|
io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
|
|
#endif
|
|
|
|
if (s_debug) {
|
|
BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
|
|
BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
|
|
}
|
|
if (s_msg) {
|
|
#ifndef OPENSSL_NO_SSL_TRACE
|
|
if (s_msg == 2)
|
|
SSL_set_msg_callback(con, SSL_trace);
|
|
else
|
|
#endif
|
|
SSL_set_msg_callback(con, msg_cb);
|
|
SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
|
|
}
|
|
|
|
for (;;) {
|
|
i = BIO_gets(io, buf, bufsize - 1);
|
|
if (i < 0) { /* error */
|
|
if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
|
|
if (!s_quiet)
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
} else {
|
|
BIO_printf(bio_s_out, "read R BLOCK\n");
|
|
#ifndef OPENSSL_NO_SRP
|
|
if (BIO_should_io_special(io)
|
|
&& BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP renego during read\n");
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
continue;
|
|
}
|
|
#endif
|
|
#if !defined(OPENSSL_SYS_MSDOS)
|
|
sleep(1);
|
|
#endif
|
|
continue;
|
|
}
|
|
} else if (i == 0) { /* end of input */
|
|
ret = 1;
|
|
goto end;
|
|
}
|
|
|
|
/* else we have data */
|
|
if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
|
|
((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
|
|
char *p;
|
|
X509 *peer = NULL;
|
|
STACK_OF(SSL_CIPHER) *sk;
|
|
static const char *space = " ";
|
|
|
|
if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
|
|
if (strncmp("GET /renegcert", buf, 14) == 0)
|
|
SSL_set_verify(con,
|
|
SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
|
|
NULL);
|
|
i = SSL_renegotiate(con);
|
|
BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
|
|
/* Send the HelloRequest */
|
|
i = SSL_do_handshake(con);
|
|
if (i <= 0) {
|
|
BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
|
|
SSL_get_error(con, i));
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
/* Wait for a ClientHello to come back */
|
|
FD_ZERO(&readfds);
|
|
openssl_fdset(s, &readfds);
|
|
i = select(width, (void *)&readfds, NULL, NULL, NULL);
|
|
if (i <= 0 || !FD_ISSET(s, &readfds)) {
|
|
BIO_printf(bio_s_out,
|
|
"Error waiting for client response\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
/*
|
|
* We're not actually expecting any data here and we ignore
|
|
* any that is sent. This is just to force the handshake that
|
|
* we're expecting to come from the client. If they haven't
|
|
* sent one there's not much we can do.
|
|
*/
|
|
BIO_gets(io, buf, bufsize - 1);
|
|
}
|
|
|
|
BIO_puts(io,
|
|
"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
|
|
BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
|
|
BIO_puts(io, "<pre>\n");
|
|
/* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
|
|
BIO_puts(io, "\n");
|
|
for (i = 0; i < local_argc; i++) {
|
|
const char *myp;
|
|
for (myp = local_argv[i]; *myp; myp++)
|
|
switch (*myp) {
|
|
case '<':
|
|
BIO_puts(io, "<");
|
|
break;
|
|
case '>':
|
|
BIO_puts(io, ">");
|
|
break;
|
|
case '&':
|
|
BIO_puts(io, "&");
|
|
break;
|
|
default:
|
|
BIO_write(io, myp, 1);
|
|
break;
|
|
}
|
|
BIO_write(io, " ", 1);
|
|
}
|
|
BIO_puts(io, "\n");
|
|
|
|
BIO_printf(io,
|
|
"Secure Renegotiation IS%s supported\n",
|
|
SSL_get_secure_renegotiation_support(con) ?
|
|
"" : " NOT");
|
|
|
|
/*
|
|
* The following is evil and should not really be done
|
|
*/
|
|
BIO_printf(io, "Ciphers supported in s_server binary\n");
|
|
sk = SSL_get_ciphers(con);
|
|
j = sk_SSL_CIPHER_num(sk);
|
|
for (i = 0; i < j; i++) {
|
|
c = sk_SSL_CIPHER_value(sk, i);
|
|
BIO_printf(io, "%-11s:%-25s ",
|
|
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
|
|
if ((((i + 1) % 2) == 0) && (i + 1 != j))
|
|
BIO_puts(io, "\n");
|
|
}
|
|
BIO_puts(io, "\n");
|
|
p = SSL_get_shared_ciphers(con, buf, bufsize);
|
|
if (p != NULL) {
|
|
BIO_printf(io,
|
|
"---\nCiphers common between both SSL end points:\n");
|
|
j = i = 0;
|
|
while (*p) {
|
|
if (*p == ':') {
|
|
BIO_write(io, space, 26 - j);
|
|
i++;
|
|
j = 0;
|
|
BIO_write(io, ((i % 3) ? " " : "\n"), 1);
|
|
} else {
|
|
BIO_write(io, p, 1);
|
|
j++;
|
|
}
|
|
p++;
|
|
}
|
|
BIO_puts(io, "\n");
|
|
}
|
|
ssl_print_sigalgs(io, con);
|
|
#ifndef OPENSSL_NO_EC
|
|
ssl_print_groups(io, con, 0);
|
|
#endif
|
|
print_ca_names(io, con);
|
|
BIO_printf(io, (SSL_session_reused(con)
|
|
? "---\nReused, " : "---\nNew, "));
|
|
c = SSL_get_current_cipher(con);
|
|
BIO_printf(io, "%s, Cipher is %s\n",
|
|
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
|
|
SSL_SESSION_print(io, SSL_get_session(con));
|
|
BIO_printf(io, "---\n");
|
|
print_stats(io, SSL_get_SSL_CTX(con));
|
|
BIO_printf(io, "---\n");
|
|
peer = SSL_get_peer_certificate(con);
|
|
if (peer != NULL) {
|
|
BIO_printf(io, "Client certificate\n");
|
|
X509_print(io, peer);
|
|
PEM_write_bio_X509(io, peer);
|
|
X509_free(peer);
|
|
peer = NULL;
|
|
} else {
|
|
BIO_puts(io, "no client certificate available\n");
|
|
}
|
|
BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
|
|
break;
|
|
} else if ((www == 2 || www == 3)
|
|
&& (strncmp("GET /", buf, 5) == 0)) {
|
|
BIO *file;
|
|
char *p, *e;
|
|
static const char *text =
|
|
"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
|
|
|
|
/* skip the '/' */
|
|
p = &(buf[5]);
|
|
|
|
dot = 1;
|
|
for (e = p; *e != '\0'; e++) {
|
|
if (e[0] == ' ')
|
|
break;
|
|
|
|
if (e[0] == ':') {
|
|
/* Windows drive. We treat this the same way as ".." */
|
|
dot = -1;
|
|
break;
|
|
}
|
|
|
|
switch (dot) {
|
|
case 1:
|
|
dot = (e[0] == '.') ? 2 : 0;
|
|
break;
|
|
case 2:
|
|
dot = (e[0] == '.') ? 3 : 0;
|
|
break;
|
|
case 3:
|
|
dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
|
|
break;
|
|
}
|
|
if (dot == 0)
|
|
dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
|
|
}
|
|
dot = (dot == 3) || (dot == -1); /* filename contains ".."
|
|
* component */
|
|
|
|
if (*e == '\0') {
|
|
BIO_puts(io, text);
|
|
BIO_printf(io, "'%s' is an invalid file name\r\n", p);
|
|
break;
|
|
}
|
|
*e = '\0';
|
|
|
|
if (dot) {
|
|
BIO_puts(io, text);
|
|
BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
|
|
break;
|
|
}
|
|
|
|
if (*p == '/' || *p == '\\') {
|
|
BIO_puts(io, text);
|
|
BIO_printf(io, "'%s' is an invalid path\r\n", p);
|
|
break;
|
|
}
|
|
|
|
/* if a directory, do the index thang */
|
|
if (app_isdir(p) > 0) {
|
|
BIO_puts(io, text);
|
|
BIO_printf(io, "'%s' is a directory\r\n", p);
|
|
break;
|
|
}
|
|
|
|
opmode = (http_server_binmode == 1) ? "rb" : "r";
|
|
if ((file = BIO_new_file(p, opmode)) == NULL) {
|
|
BIO_puts(io, text);
|
|
BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
|
|
ERR_print_errors(io);
|
|
break;
|
|
}
|
|
|
|
if (!s_quiet)
|
|
BIO_printf(bio_err, "FILE:%s\n", p);
|
|
|
|
if (www == 2) {
|
|
i = strlen(p);
|
|
if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
|
|
((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
|
|
((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
|
|
BIO_puts(io,
|
|
"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
|
|
else
|
|
BIO_puts(io,
|
|
"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
|
|
}
|
|
/* send the file */
|
|
#ifndef OPENSSL_NO_KTLS
|
|
if (use_sendfile) {
|
|
FILE *fp = NULL;
|
|
int fd;
|
|
struct stat st;
|
|
off_t offset = 0;
|
|
size_t filesize;
|
|
|
|
BIO_get_fp(file, &fp);
|
|
fd = fileno(fp);
|
|
if (fstat(fd, &st) < 0) {
|
|
BIO_printf(io, "Error fstat '%s'\r\n", p);
|
|
ERR_print_errors(io);
|
|
goto write_error;
|
|
}
|
|
|
|
filesize = st.st_size;
|
|
if (((int)BIO_flush(io)) < 0)
|
|
goto write_error;
|
|
|
|
for (;;) {
|
|
i = SSL_sendfile(con, fd, offset, filesize, 0);
|
|
if (i < 0) {
|
|
BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
|
|
ERR_print_errors(io);
|
|
break;
|
|
} else {
|
|
offset += i;
|
|
filesize -= i;
|
|
}
|
|
|
|
if (filesize <= 0) {
|
|
if (!s_quiet)
|
|
BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
|
|
|
|
break;
|
|
}
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
for (;;) {
|
|
i = BIO_read(file, buf, bufsize);
|
|
if (i <= 0)
|
|
break;
|
|
|
|
#ifdef RENEG
|
|
total_bytes += i;
|
|
BIO_printf(bio_err, "%d\n", i);
|
|
if (total_bytes > 3 * 1024) {
|
|
total_bytes = 0;
|
|
BIO_printf(bio_err, "RENEGOTIATE\n");
|
|
SSL_renegotiate(con);
|
|
}
|
|
#endif
|
|
|
|
for (j = 0; j < i;) {
|
|
#ifdef RENEG
|
|
static count = 0;
|
|
if (++count == 13)
|
|
SSL_renegotiate(con);
|
|
#endif
|
|
k = BIO_write(io, &(buf[j]), i - j);
|
|
if (k <= 0) {
|
|
if (!BIO_should_retry(io)
|
|
&& !SSL_waiting_for_async(con)) {
|
|
goto write_error;
|
|
} else {
|
|
BIO_printf(bio_s_out, "rwrite W BLOCK\n");
|
|
}
|
|
} else {
|
|
j += k;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
write_error:
|
|
BIO_free(file);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
i = (int)BIO_flush(io);
|
|
if (i <= 0) {
|
|
if (!BIO_should_retry(io))
|
|
break;
|
|
} else
|
|
break;
|
|
}
|
|
end:
|
|
/* make sure we re-use sessions */
|
|
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
|
|
|
|
err:
|
|
OPENSSL_free(buf);
|
|
BIO_free_all(io);
|
|
return ret;
|
|
}
|
|
|
|
static int rev_body(int s, int stype, int prot, unsigned char *context)
|
|
{
|
|
char *buf = NULL;
|
|
int i;
|
|
int ret = 1;
|
|
SSL *con;
|
|
BIO *io, *ssl_bio, *sbio;
|
|
|
|
buf = app_malloc(bufsize, "server rev buffer");
|
|
io = BIO_new(BIO_f_buffer());
|
|
ssl_bio = BIO_new(BIO_f_ssl());
|
|
if ((io == NULL) || (ssl_bio == NULL))
|
|
goto err;
|
|
|
|
/* lets make the output buffer a reasonable size */
|
|
if (!BIO_set_write_buffer_size(io, bufsize))
|
|
goto err;
|
|
|
|
if ((con = SSL_new(ctx)) == NULL)
|
|
goto err;
|
|
|
|
if (s_tlsextdebug) {
|
|
SSL_set_tlsext_debug_callback(con, tlsext_cb);
|
|
SSL_set_tlsext_debug_arg(con, bio_s_out);
|
|
}
|
|
if (context != NULL
|
|
&& !SSL_set_session_id_context(con, context,
|
|
strlen((char *)context))) {
|
|
SSL_free(con);
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
|
|
sbio = BIO_new_socket(s, BIO_NOCLOSE);
|
|
SSL_set_bio(con, sbio, sbio);
|
|
SSL_set_accept_state(con);
|
|
|
|
/* No need to free |con| after this. Done by BIO_free(ssl_bio) */
|
|
BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
|
|
BIO_push(io, ssl_bio);
|
|
#ifdef CHARSET_EBCDIC
|
|
io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
|
|
#endif
|
|
|
|
if (s_debug) {
|
|
BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
|
|
BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
|
|
}
|
|
if (s_msg) {
|
|
#ifndef OPENSSL_NO_SSL_TRACE
|
|
if (s_msg == 2)
|
|
SSL_set_msg_callback(con, SSL_trace);
|
|
else
|
|
#endif
|
|
SSL_set_msg_callback(con, msg_cb);
|
|
SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
|
|
}
|
|
|
|
for (;;) {
|
|
i = BIO_do_handshake(io);
|
|
if (i > 0)
|
|
break;
|
|
if (!BIO_should_retry(io)) {
|
|
BIO_puts(bio_err, "CONNECTION FAILURE\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
#ifndef OPENSSL_NO_SRP
|
|
if (BIO_should_io_special(io)
|
|
&& BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
continue;
|
|
}
|
|
#endif
|
|
}
|
|
BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
|
|
print_ssl_summary(con);
|
|
|
|
for (;;) {
|
|
i = BIO_gets(io, buf, bufsize - 1);
|
|
if (i < 0) { /* error */
|
|
if (!BIO_should_retry(io)) {
|
|
if (!s_quiet)
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
} else {
|
|
BIO_printf(bio_s_out, "read R BLOCK\n");
|
|
#ifndef OPENSSL_NO_SRP
|
|
if (BIO_should_io_special(io)
|
|
&& BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
|
|
BIO_printf(bio_s_out, "LOOKUP renego during read\n");
|
|
SRP_user_pwd_free(srp_callback_parm.user);
|
|
srp_callback_parm.user =
|
|
SRP_VBASE_get1_by_user(srp_callback_parm.vb,
|
|
srp_callback_parm.login);
|
|
if (srp_callback_parm.user)
|
|
BIO_printf(bio_s_out, "LOOKUP done %s\n",
|
|
srp_callback_parm.user->info);
|
|
else
|
|
BIO_printf(bio_s_out, "LOOKUP not successful\n");
|
|
continue;
|
|
}
|
|
#endif
|
|
#if !defined(OPENSSL_SYS_MSDOS)
|
|
sleep(1);
|
|
#endif
|
|
continue;
|
|
}
|
|
} else if (i == 0) { /* end of input */
|
|
ret = 1;
|
|
BIO_printf(bio_err, "CONNECTION CLOSED\n");
|
|
goto end;
|
|
} else {
|
|
char *p = buf + i - 1;
|
|
while (i && (*p == '\n' || *p == '\r')) {
|
|
p--;
|
|
i--;
|
|
}
|
|
if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
|
|
ret = 1;
|
|
BIO_printf(bio_err, "CONNECTION CLOSED\n");
|
|
goto end;
|
|
}
|
|
BUF_reverse((unsigned char *)buf, NULL, i);
|
|
buf[i] = '\n';
|
|
BIO_write(io, buf, i + 1);
|
|
for (;;) {
|
|
i = BIO_flush(io);
|
|
if (i > 0)
|
|
break;
|
|
if (!BIO_should_retry(io))
|
|
goto end;
|
|
}
|
|
}
|
|
}
|
|
end:
|
|
/* make sure we re-use sessions */
|
|
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
|
|
|
|
err:
|
|
|
|
OPENSSL_free(buf);
|
|
BIO_free_all(io);
|
|
return ret;
|
|
}
|
|
|
|
#define MAX_SESSION_ID_ATTEMPTS 10
|
|
static int generate_session_id(SSL *ssl, unsigned char *id,
|
|
unsigned int *id_len)
|
|
{
|
|
unsigned int count = 0;
|
|
unsigned int session_id_prefix_len = strlen(session_id_prefix);
|
|
|
|
do {
|
|
if (RAND_bytes(id, *id_len) <= 0)
|
|
return 0;
|
|
/*
|
|
* Prefix the session_id with the required prefix. NB: If our prefix
|
|
* is too long, clip it - but there will be worse effects anyway, eg.
|
|
* the server could only possibly create 1 session ID (ie. the
|
|
* prefix!) so all future session negotiations will fail due to
|
|
* conflicts.
|
|
*/
|
|
memcpy(id, session_id_prefix,
|
|
(session_id_prefix_len < *id_len) ?
|
|
session_id_prefix_len : *id_len);
|
|
}
|
|
while (SSL_has_matching_session_id(ssl, id, *id_len) &&
|
|
(++count < MAX_SESSION_ID_ATTEMPTS));
|
|
if (count >= MAX_SESSION_ID_ATTEMPTS)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* By default s_server uses an in-memory cache which caches SSL_SESSION
|
|
* structures without any serialisation. This hides some bugs which only
|
|
* become apparent in deployed servers. By implementing a basic external
|
|
* session cache some issues can be debugged using s_server.
|
|
*/
|
|
|
|
typedef struct simple_ssl_session_st {
|
|
unsigned char *id;
|
|
unsigned int idlen;
|
|
unsigned char *der;
|
|
int derlen;
|
|
struct simple_ssl_session_st *next;
|
|
} simple_ssl_session;
|
|
|
|
static simple_ssl_session *first = NULL;
|
|
|
|
static int add_session(SSL *ssl, SSL_SESSION *session)
|
|
{
|
|
simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
|
|
unsigned char *p;
|
|
|
|
SSL_SESSION_get_id(session, &sess->idlen);
|
|
sess->derlen = i2d_SSL_SESSION(session, NULL);
|
|
if (sess->derlen < 0) {
|
|
BIO_printf(bio_err, "Error encoding session\n");
|
|
OPENSSL_free(sess);
|
|
return 0;
|
|
}
|
|
|
|
sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
|
|
sess->der = app_malloc(sess->derlen, "get session buffer");
|
|
if (!sess->id) {
|
|
BIO_printf(bio_err, "Out of memory adding to external cache\n");
|
|
OPENSSL_free(sess->id);
|
|
OPENSSL_free(sess->der);
|
|
OPENSSL_free(sess);
|
|
return 0;
|
|
}
|
|
p = sess->der;
|
|
|
|
/* Assume it still works. */
|
|
if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
|
|
BIO_printf(bio_err, "Unexpected session encoding length\n");
|
|
OPENSSL_free(sess->id);
|
|
OPENSSL_free(sess->der);
|
|
OPENSSL_free(sess);
|
|
return 0;
|
|
}
|
|
|
|
sess->next = first;
|
|
first = sess;
|
|
BIO_printf(bio_err, "New session added to external cache\n");
|
|
return 0;
|
|
}
|
|
|
|
static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
|
|
int *do_copy)
|
|
{
|
|
simple_ssl_session *sess;
|
|
*do_copy = 0;
|
|
for (sess = first; sess; sess = sess->next) {
|
|
if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
|
|
const unsigned char *p = sess->der;
|
|
BIO_printf(bio_err, "Lookup session: cache hit\n");
|
|
return d2i_SSL_SESSION(NULL, &p, sess->derlen);
|
|
}
|
|
}
|
|
BIO_printf(bio_err, "Lookup session: cache miss\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
|
|
{
|
|
simple_ssl_session *sess, *prev = NULL;
|
|
const unsigned char *id;
|
|
unsigned int idlen;
|
|
id = SSL_SESSION_get_id(session, &idlen);
|
|
for (sess = first; sess; sess = sess->next) {
|
|
if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
|
|
if (prev)
|
|
prev->next = sess->next;
|
|
else
|
|
first = sess->next;
|
|
OPENSSL_free(sess->id);
|
|
OPENSSL_free(sess->der);
|
|
OPENSSL_free(sess);
|
|
return;
|
|
}
|
|
prev = sess;
|
|
}
|
|
}
|
|
|
|
static void init_session_cache_ctx(SSL_CTX *sctx)
|
|
{
|
|
SSL_CTX_set_session_cache_mode(sctx,
|
|
SSL_SESS_CACHE_NO_INTERNAL |
|
|
SSL_SESS_CACHE_SERVER);
|
|
SSL_CTX_sess_set_new_cb(sctx, add_session);
|
|
SSL_CTX_sess_set_get_cb(sctx, get_session);
|
|
SSL_CTX_sess_set_remove_cb(sctx, del_session);
|
|
}
|
|
|
|
static void free_sessions(void)
|
|
{
|
|
simple_ssl_session *sess, *tsess;
|
|
for (sess = first; sess;) {
|
|
OPENSSL_free(sess->id);
|
|
OPENSSL_free(sess->der);
|
|
tsess = sess;
|
|
sess = sess->next;
|
|
OPENSSL_free(tsess);
|
|
}
|
|
first = NULL;
|
|
}
|
|
|
|
#endif /* OPENSSL_NO_SOCK */
|