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d7efe7ea18ffec1bcf0d93f563c175ea5094b654
openssl/apps/s_server.c
Matt Caswell 40720ce3ca Run util/openssl-format-source -v -c . 
Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-22 09:52:55 +00:00

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/* apps/s_server.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
/*
* Until the key-gen callbacks are modified to use newer prototypes, we allow
* deprecated functions for openssl-internal code
*/
#ifdef OPENSSL_NO_DEPRECATED
# undef OPENSSL_NO_DEPRECATED
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_STDIO
# define APPS_WIN16
#endif
/* conflicts with winsock2 stuff on netware */
#if !defined(OPENSSL_SYS_NETWARE)
# include <sys/types.h>
#endif
/*
* With IPv6, it looks like Digital has mixed up the proper order of
* recursive header file inclusion, resulting in the compiler complaining
* that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
* needed to have fileno() declared correctly... So let's define u_int
*/
#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
# define __U_INT
typedef unsigned int u_int;
#endif
#include <openssl/lhash.h>
#include <openssl/bn.h>
#define USE_SOCKETS
#include "apps.h"
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/ocsp.h>
#ifndef OPENSSL_NO_DH
# include <openssl/dh.h>
#endif
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
#include "s_apps.h"
#include "timeouts.h"
#ifdef OPENSSL_SYS_WINCE
/*
* Windows CE incorrectly defines fileno as returning void*, so to avoid
* problems below...
*/
# ifdef fileno
# undef fileno
# endif
# define fileno(a) (int)_fileno(a)
#endif
#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
# undef FIONBIO
#endif
#ifndef OPENSSL_NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
#endif
static int sv_body(char *hostname, int s, unsigned char *context);
static int www_body(char *hostname, int s, unsigned char *context);
static void close_accept_socket(void);
static void sv_usage(void);
static int init_ssl_connection(SSL *s);
static void print_stats(BIO *bp, SSL_CTX *ctx);
static int generate_session_id(const SSL *ssl, unsigned char *id,
unsigned int *id_len);
#ifndef OPENSSL_NO_DH
static DH *load_dh_param(const char *dhfile);
static DH *get_dh512(void);
#endif
#ifdef MONOLITH
static void s_server_init(void);
#endif
#ifndef S_ISDIR
# if defined(_S_IFMT) && defined(_S_IFDIR)
# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
# else
# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
# endif
#endif
#ifndef OPENSSL_NO_DH
static unsigned char dh512_p[] = {
0xDA, 0x58, 0x3C, 0x16, 0xD9, 0x85, 0x22, 0x89, 0xD0, 0xE4, 0xAF, 0x75,
0x6F, 0x4C, 0xCA, 0x92, 0xDD, 0x4B, 0xE5, 0x33, 0xB8, 0x04, 0xFB, 0x0F,
0xED, 0x94, 0xEF, 0x9C, 0x8A, 0x44, 0x03, 0xED, 0x57, 0x46, 0x50, 0xD3,
0x69, 0x99, 0xDB, 0x29, 0xD7, 0x76, 0x27, 0x6B, 0xA2, 0xD3, 0xD4, 0x12,
0xE2, 0x18, 0xF4, 0xDD, 0x1E, 0x08, 0x4C, 0xF6, 0xD8, 0x00, 0x3E, 0x7C,
0x47, 0x74, 0xE8, 0x33,
};
static unsigned char dh512_g[] = {
0x02,
};
static DH *get_dh512(void)
{
DH *dh = NULL;
if ((dh = DH_new()) == NULL)
return (NULL);
dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
if ((dh->p == NULL) || (dh->g == NULL))
return (NULL);
return (dh);
}
#endif
/* static int load_CA(SSL_CTX *ctx, char *file);*/
#undef BUFSIZZ
#define BUFSIZZ 16*1024
static int bufsize = BUFSIZZ;
static int accept_socket = -1;
#define TEST_CERT "server.pem"
#ifndef OPENSSL_NO_TLSEXT
# define TEST_CERT2 "server2.pem"
#endif
#undef PROG
#define PROG s_server_main
extern int verify_depth;
static char *cipher = NULL;
static int s_server_verify = SSL_VERIFY_NONE;
static int s_server_session_id_context = 1; /* anything will do */
static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
#ifndef OPENSSL_NO_TLSEXT
static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
#endif
static char *s_dcert_file = NULL, *s_dkey_file = NULL;
#ifdef FIONBIO
static int s_nbio = 0;
#endif
static int s_nbio_test = 0;
int s_crlf = 0;
static SSL_CTX *ctx = NULL;
#ifndef OPENSSL_NO_TLSEXT
static SSL_CTX *ctx2 = NULL;
#endif
static int www = 0;
static BIO *bio_s_out = NULL;
static int s_debug = 0;
#ifndef OPENSSL_NO_TLSEXT
static int s_tlsextdebug = 0;
static int s_tlsextstatus = 0;
static int cert_status_cb(SSL *s, void *arg);
#endif
static int s_msg = 0;
static int s_quiet = 0;
static int hack = 0;
#ifndef OPENSSL_NO_ENGINE
static char *engine_id = NULL;
#endif
static const char *session_id_prefix = NULL;
static int enable_timeouts = 0;
static long socket_mtu;
#ifndef OPENSSL_NO_DTLS1
static int cert_chain = 0;
#endif
#ifdef MONOLITH
static void s_server_init(void)
{
accept_socket = -1;
cipher = NULL;
s_server_verify = SSL_VERIFY_NONE;
s_dcert_file = NULL;
s_dkey_file = NULL;
s_cert_file = TEST_CERT;
s_key_file = NULL;
# ifndef OPENSSL_NO_TLSEXT
s_cert_file2 = TEST_CERT2;
s_key_file2 = NULL;
ctx2 = NULL;
# endif
# ifdef FIONBIO
s_nbio = 0;
# endif
s_nbio_test = 0;
ctx = NULL;
www = 0;
bio_s_out = NULL;
s_debug = 0;
s_msg = 0;
s_quiet = 0;
hack = 0;
# ifndef OPENSSL_NO_ENGINE
engine_id = NULL;
# endif
}
#endif
static void sv_usage(void)
{
BIO_printf(bio_err, "usage: s_server [args ...]\n");
BIO_printf(bio_err, "\n");
BIO_printf(bio_err,
" -accept arg - port to accept on (default is %d)\n", PORT);
BIO_printf(bio_err, " -context arg - set session ID context\n");
BIO_printf(bio_err,
" -verify arg - turn on peer certificate verification\n");
BIO_printf(bio_err,
" -Verify arg - turn on peer certificate verification, must have a cert.\n");
BIO_printf(bio_err, " -cert arg - certificate file to use\n");
BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
BIO_printf(bio_err,
" -crl_check - check the peer certificate has not been revoked by its CA.\n"
" The CRL(s) are appended to the certificate file\n");
BIO_printf(bio_err,
" -crl_check_all - check the peer certificate has not been revoked by its CA\n"
" or any other CRL in the CA chain. CRL(s) are appened to the\n"
" the certificate file.\n");
BIO_printf(bio_err,
" -certform arg - certificate format (PEM or DER) PEM default\n");
BIO_printf(bio_err,
" -key arg - Private Key file to use, in cert file if\n");
BIO_printf(bio_err, " not specified (default is %s)\n",
TEST_CERT);
BIO_printf(bio_err,
" -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
BIO_printf(bio_err,
" -pass arg - private key file pass phrase source\n");
BIO_printf(bio_err,
" -dcert arg - second certificate file to use (usually for DSA)\n");
BIO_printf(bio_err,
" -dcertform x - second certificate format (PEM or DER) PEM default\n");
BIO_printf(bio_err,
" -dkey arg - second private key file to use (usually for DSA)\n");
BIO_printf(bio_err,
" -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
BIO_printf(bio_err,
" -dpass arg - second private key file pass phrase source\n");
BIO_printf(bio_err,
" -dhparam arg - DH parameter file to use, in cert file if not specified\n");
BIO_printf(bio_err,
" or a default set of parameters is used\n");
#ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err,
" -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n"
" Use \"openssl ecparam -list_curves\" for all names\n"
" (default is sect163r2).\n");
#endif
#ifdef FIONBIO
BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
#endif
BIO_printf(bio_err,
" -nbio_test - test with the non-blocking test bio\n");
BIO_printf(bio_err,
" -crlf - convert LF from terminal into CRLF\n");
BIO_printf(bio_err, " -debug - Print more output\n");
BIO_printf(bio_err, " -msg - Show protocol messages\n");
BIO_printf(bio_err, " -state - Print the SSL states\n");
BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
BIO_printf(bio_err,
" -nocert - Don't use any certificates (Anon-DH)\n");
BIO_printf(bio_err,
" -cipher arg - play with 'openssl ciphers' to see what goes here\n");
BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
BIO_printf(bio_err, " -quiet - No server output\n");
BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n");
BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n");
BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
BIO_printf(bio_err, " -timeout - Enable timeouts\n");
BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
BIO_printf(bio_err, " -chain - Read a certificate chain\n");
BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
#ifndef OPENSSL_NO_DH
BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
#endif
#ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
#endif
BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
BIO_printf(bio_err,
" -www - Respond to a 'GET /' with a status page\n");
BIO_printf(bio_err,
" -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
BIO_printf(bio_err,
" -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
BIO_printf(bio_err,
" with the assumption it contains a complete HTTP response.\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
" -engine id - Initialise and use the specified engine\n");
#endif
BIO_printf(bio_err,
" -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
LIST_SEPARATOR_CHAR);
#ifndef OPENSSL_NO_TLSEXT
BIO_printf(bio_err,
" -servername host - servername for HostName TLS extension\n");
BIO_printf(bio_err,
" -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
BIO_printf(bio_err,
" -cert2 arg - certificate file to use for servername\n");
BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
BIO_printf(bio_err,
" -key2 arg - Private Key file to use for servername, in cert file if\n");
BIO_printf(bio_err, " not specified (default is %s)\n",
TEST_CERT2);
BIO_printf(bio_err,
" -tlsextdebug - hex dump of all TLS extensions received\n");
BIO_printf(bio_err,
" -no_ticket - disable use of RFC4507bis session tickets\n");
BIO_printf(bio_err,
" -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
#endif
}
static int local_argc = 0;
static char **local_argv;
#ifdef CHARSET_EBCDIC
static int ebcdic_new(BIO *bi);
static int ebcdic_free(BIO *a);
static int ebcdic_read(BIO *b, char *out, int outl);
static int ebcdic_write(BIO *b, const char *in, int inl);
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
static int ebcdic_gets(BIO *bp, char *buf, int size);
static int ebcdic_puts(BIO *bp, const char *str);
# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
static BIO_METHOD methods_ebcdic = {
BIO_TYPE_EBCDIC_FILTER,
"EBCDIC/ASCII filter",
ebcdic_write,
ebcdic_read,
ebcdic_puts,
ebcdic_gets,
ebcdic_ctrl,
ebcdic_new,
ebcdic_free,
};
typedef struct {
size_t alloced;
char buff[1];
} EBCDIC_OUTBUFF;
BIO_METHOD *BIO_f_ebcdic_filter()
{
return (&methods_ebcdic);
}
static int ebcdic_new(BIO *bi)
{
EBCDIC_OUTBUFF *wbuf;
wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
wbuf->alloced = 1024;
wbuf->buff[0] = '\0';
bi->ptr = (char *)wbuf;
bi->init = 1;
bi->flags = 0;
return (1);
}
static int ebcdic_free(BIO *a)
{
if (a == NULL)
return (0);
if (a->ptr != NULL)
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
return (1);
}
static int ebcdic_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (out == NULL || outl == 0)
return (0);
if (b->next_bio == NULL)
return (0);
ret = BIO_read(b->next_bio, out, outl);
if (ret > 0)
ascii2ebcdic(out, out, ret);
return (ret);
}
static int ebcdic_write(BIO *b, const char *in, int inl)
{
EBCDIC_OUTBUFF *wbuf;
int ret = 0;
int num;
unsigned char n;
if ((in == NULL) || (inl <= 0))
return (0);
if (b->next_bio == NULL)
return (0);
wbuf = (EBCDIC_OUTBUFF *) b->ptr;
if (inl > (num = wbuf->alloced)) {
num = num + num; /* double the size */
if (num < inl)
num = inl;
OPENSSL_free(wbuf);
wbuf =
(EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
wbuf->alloced = num;
wbuf->buff[0] = '\0';
b->ptr = (char *)wbuf;
}
ebcdic2ascii(wbuf->buff, in, inl);
ret = BIO_write(b->next_bio, wbuf->buff, inl);
return (ret);
}
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret;
if (b->next_bio == NULL)
return (0);
switch (cmd) {
case BIO_CTRL_DUP:
ret = 0L;
break;
default:
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
}
return (ret);
}
static int ebcdic_gets(BIO *bp, char *buf, int size)
{
int i, ret = 0;
if (bp->next_bio == NULL)
return (0);
/* return(BIO_gets(bp->next_bio,buf,size));*/
for (i = 0; i < size - 1; ++i) {
ret = ebcdic_read(bp, &buf[i], 1);
if (ret <= 0)
break;
else if (buf[i] == '\n') {
++i;
break;
}
}
if (i < size)
buf[i] = '\0';
return (ret < 0 && i == 0) ? ret : i;
}
static int ebcdic_puts(BIO *bp, const char *str)
{
if (bp->next_bio == NULL)
return (0);
return ebcdic_write(bp, str, strlen(str));
}
#endif
#ifndef OPENSSL_NO_TLSEXT
/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
char *servername;
BIO *biodebug;
int extension_error;
} tlsextctx;
static int MS_CALLBACK 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 && p->biodebug)
BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
servername);
if (!p->servername)
return SSL_TLSEXT_ERR_NOACK;
if (servername) {
if (strcasecmp(servername, p->servername))
return p->extension_error;
if (ctx2) {
BIO_printf(p->biodebug, "Swiching server context.\n");
SSL_set_SSL_CTX(s, ctx2);
}
}
return SSL_TLSEXT_ERR_OK;
}
/* Structure passed to cert status callback */
typedef struct tlsextstatusctx_st {
/* Default responder to use */
char *host, *path, *port;
int use_ssl;
int timeout;
BIO *err;
int verbose;
} tlsextstatusctx;
static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 };
/*
* Certificate Status callback. This is called when a client includes a
* certificate status request extension. 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 cert_status_cb(SSL *s, void *arg)
{
tlsextstatusctx *srctx = arg;
BIO *err = srctx->err;
char *host, *port, *path;
int use_ssl;
unsigned char *rspder = NULL;
int rspderlen;
STACK *aia = NULL;
X509 *x = NULL;
X509_STORE_CTX inctx;
X509_OBJECT obj;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_CERTID *id = NULL;
STACK_OF(X509_EXTENSION) *exts;
int ret = SSL_TLSEXT_ERR_NOACK;
int i;
# if 0
STACK_OF(OCSP_RESPID) *ids;
SSL_get_tlsext_status_ids(s, &ids);
BIO_printf(err, "cert_status: received %d ids\n",
sk_OCSP_RESPID_num(ids));
# endif
if (srctx->verbose)
BIO_puts(err, "cert_status: callback called\n");
/* Build up OCSP query from server certificate */
x = SSL_get_certificate(s);
aia = X509_get1_ocsp(x);
if (aia) {
if (!OCSP_parse_url(sk_value(aia, 0), &host, &port, &path, &use_ssl)) {
BIO_puts(err, "cert_status: can't parse AIA URL\n");
goto err;
}
if (srctx->verbose)
BIO_printf(err, "cert_status: AIA URL: %s\n", sk_value(aia, 0));
} else {
if (!srctx->host) {
BIO_puts(srctx->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;
}
if (!X509_STORE_CTX_init(&inctx,
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
NULL, NULL))
goto err;
if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
X509_get_issuer_name(x), &obj) <= 0) {
BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
X509_STORE_CTX_cleanup(&inctx);
goto done;
}
req = OCSP_REQUEST_new();
if (!req)
goto err;
id = OCSP_cert_to_id(NULL, x, obj.data.x509);
X509_free(obj.data.x509);
X509_STORE_CTX_cleanup(&inctx);
if (!id)
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(err, req, host, path, port, use_ssl,
srctx->timeout);
if (!resp) {
BIO_puts(err, "cert_status: error querying responder\n");
goto done;
}
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(err, "cert_status: ocsp response sent:\n");
OCSP_RESPONSE_print(err, resp, 2);
}
ret = SSL_TLSEXT_ERR_OK;
done:
if (ret != SSL_TLSEXT_ERR_OK)
ERR_print_errors(err);
if (aia) {
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
X509_email_free(aia);
}
if (id)
OCSP_CERTID_free(id);
if (req)
OCSP_REQUEST_free(req);
if (resp)
OCSP_RESPONSE_free(resp);
return ret;
err:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
goto done;
}
#endif
int MAIN(int, char **);
#ifndef OPENSSL_NO_JPAKE
static char *jpake_secret = NULL;
#endif
int MAIN(int argc, char *argv[])
{
X509_STORE *store = NULL;
int vflags = 0;
short port = PORT;
char *CApath = NULL, *CAfile = NULL;
unsigned char *context = NULL;
char *dhfile = NULL;
#ifndef OPENSSL_NO_ECDH
char *named_curve = NULL;
#endif
int badop = 0, bugs = 0;
int ret = 1;
int off = 0;
int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0;
int state = 0;
SSL_METHOD *meth = NULL;
int socket_type = SOCK_STREAM;
ENGINE *e = NULL;
char *inrand = NULL;
int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
char *passarg = NULL, *pass = NULL;
char *dpassarg = NULL, *dpass = NULL;
int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
X509 *s_cert = NULL, *s_dcert = NULL;
EVP_PKEY *s_key = NULL, *s_dkey = NULL;
int no_cache = 0;
#ifndef OPENSSL_NO_TLSEXT
EVP_PKEY *s_key2 = NULL;
X509 *s_cert2 = NULL;
#endif
#ifndef OPENSSL_NO_TLSEXT
tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
#endif
meth = SSLv23_server_method();
local_argc = argc;
local_argv = argv;
apps_startup();
#ifdef MONOLITH
s_server_init();
#endif
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
verify_depth = 0;
#ifdef FIONBIO
s_nbio = 0;
#endif
s_nbio_test = 0;
argc--;
argv++;
while (argc >= 1) {
if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) {
if (--argc < 1)
goto bad;
if (!extract_port(*(++argv), &port))
goto bad;
} else if (strcmp(*argv, "-verify") == 0) {
s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
if (--argc < 1)
goto bad;
verify_depth = atoi(*(++argv));
BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
} else if (strcmp(*argv, "-Verify") == 0) {
s_server_verify =
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
SSL_VERIFY_CLIENT_ONCE;
if (--argc < 1)
goto bad;
verify_depth = atoi(*(++argv));
BIO_printf(bio_err,
"verify depth is %d, must return a certificate\n",
verify_depth);
} else if (strcmp(*argv, "-context") == 0) {
if (--argc < 1)
goto bad;
context = (unsigned char *)*(++argv);
} else if (strcmp(*argv, "-cert") == 0) {
if (--argc < 1)
goto bad;
s_cert_file = *(++argv);
} else if (strcmp(*argv, "-certform") == 0) {
if (--argc < 1)
goto bad;
s_cert_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-key") == 0) {
if (--argc < 1)
goto bad;
s_key_file = *(++argv);
} else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
goto bad;
s_key_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-pass") == 0) {
if (--argc < 1)
goto bad;
passarg = *(++argv);
} else if (strcmp(*argv, "-dhparam") == 0) {
if (--argc < 1)
goto bad;
dhfile = *(++argv);
}
#ifndef OPENSSL_NO_ECDH
else if (strcmp(*argv, "-named_curve") == 0) {
if (--argc < 1)
goto bad;
named_curve = *(++argv);
}
#endif
else if (strcmp(*argv, "-dcertform") == 0) {
if (--argc < 1)
goto bad;
s_dcert_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-dcert") == 0) {
if (--argc < 1)
goto bad;
s_dcert_file = *(++argv);
} else if (strcmp(*argv, "-dkeyform") == 0) {
if (--argc < 1)
goto bad;
s_dkey_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-dpass") == 0) {
if (--argc < 1)
goto bad;
dpassarg = *(++argv);
} else if (strcmp(*argv, "-dkey") == 0) {
if (--argc < 1)
goto bad;
s_dkey_file = *(++argv);
} else if (strcmp(*argv, "-nocert") == 0) {
nocert = 1;
} else if (strcmp(*argv, "-CApath") == 0) {
if (--argc < 1)
goto bad;
CApath = *(++argv);
} else if (strcmp(*argv, "-no_cache") == 0)
no_cache = 1;
else if (strcmp(*argv, "-crl_check") == 0) {
vflags |= X509_V_FLAG_CRL_CHECK;
} else if (strcmp(*argv, "-crl_check_all") == 0) {
vflags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
} else if (strcmp(*argv, "-serverpref") == 0) {
off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
} else if (strcmp(*argv, "-legacy_renegotiation") == 0)
off |= SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
else if (strcmp(*argv, "-cipher") == 0) {
if (--argc < 1)
goto bad;
cipher = *(++argv);
} else if (strcmp(*argv, "-CAfile") == 0) {
if (--argc < 1)
goto bad;
CAfile = *(++argv);
}
#ifdef FIONBIO
else if (strcmp(*argv, "-nbio") == 0) {
s_nbio = 1;
}
#endif
else if (strcmp(*argv, "-nbio_test") == 0) {
#ifdef FIONBIO
s_nbio = 1;
#endif
s_nbio_test = 1;
} else if (strcmp(*argv, "-debug") == 0) {
s_debug = 1;
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-tlsextdebug") == 0)
s_tlsextdebug = 1;
else if (strcmp(*argv, "-status") == 0)
s_tlsextstatus = 1;
else if (strcmp(*argv, "-status_verbose") == 0) {
s_tlsextstatus = 1;
tlscstatp.verbose = 1;
} else if (!strcmp(*argv, "-status_timeout")) {
s_tlsextstatus = 1;
if (--argc < 1)
goto bad;
tlscstatp.timeout = atoi(*(++argv));
} else if (!strcmp(*argv, "-status_url")) {
s_tlsextstatus = 1;
if (--argc < 1)
goto bad;
if (!OCSP_parse_url(*(++argv),
&tlscstatp.host,
&tlscstatp.port,
&tlscstatp.path, &tlscstatp.use_ssl)) {
BIO_printf(bio_err, "Error parsing URL\n");
goto bad;
}
}
#endif
else if (strcmp(*argv, "-msg") == 0) {
s_msg = 1;
} else if (strcmp(*argv, "-hack") == 0) {
hack = 1;
} else if (strcmp(*argv, "-state") == 0) {
state = 1;
} else if (strcmp(*argv, "-crlf") == 0) {
s_crlf = 1;
} else if (strcmp(*argv, "-quiet") == 0) {
s_quiet = 1;
} else if (strcmp(*argv, "-bugs") == 0) {
bugs = 1;
} else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
no_tmp_rsa = 1;
} else if (strcmp(*argv, "-no_dhe") == 0) {
no_dhe = 1;
} else if (strcmp(*argv, "-no_ecdhe") == 0) {
no_ecdhe = 1;
} else if (strcmp(*argv, "-www") == 0) {
www = 1;
} else if (strcmp(*argv, "-WWW") == 0) {
www = 2;
} else if (strcmp(*argv, "-HTTP") == 0) {
www = 3;
} else if (strcmp(*argv, "-no_ssl2") == 0) {
off |= SSL_OP_NO_SSLv2;
} else if (strcmp(*argv, "-no_ssl3") == 0) {
off |= SSL_OP_NO_SSLv3;
} else if (strcmp(*argv, "-no_tls1") == 0) {
off |= SSL_OP_NO_TLSv1;
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-no_ticket") == 0) {
off |= SSL_OP_NO_TICKET;
}
#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv, "-ssl2") == 0) {
meth = SSLv2_server_method();
}
#endif
#ifndef OPENSSL_NO_SSL3
else if (strcmp(*argv, "-ssl3") == 0) {
meth = SSLv3_server_method();
}
#endif
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv, "-tls1") == 0) {
meth = TLSv1_server_method();
}
#endif
#ifndef OPENSSL_NO_DTLS1
else if (strcmp(*argv, "-dtls1") == 0) {
meth = DTLSv1_server_method();
socket_type = SOCK_DGRAM;
} else if (strcmp(*argv, "-timeout") == 0)
enable_timeouts = 1;
else if (strcmp(*argv, "-mtu") == 0) {
if (--argc < 1)
goto bad;
socket_mtu = atol(*(++argv));
} else if (strcmp(*argv, "-chain") == 0)
cert_chain = 1;
#endif
else if (strcmp(*argv, "-id_prefix") == 0) {
if (--argc < 1)
goto bad;
session_id_prefix = *(++argv);
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine_id = *(++argv);
}
#endif
else if (strcmp(*argv, "-rand") == 0) {
if (--argc < 1)
goto bad;
inrand = *(++argv);
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-servername") == 0) {
if (--argc < 1)
goto bad;
tlsextcbp.servername = *(++argv);
} else if (strcmp(*argv, "-servername_fatal") == 0) {
tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
} else if (strcmp(*argv, "-cert2") == 0) {
if (--argc < 1)
goto bad;
s_cert_file2 = *(++argv);
} else if (strcmp(*argv, "-key2") == 0) {
if (--argc < 1)
goto bad;
s_key_file2 = *(++argv);
}
#endif
#ifndef OPENSSL_NO_JPAKE
else if (strcmp(*argv, "-jpake") == 0) {
if (--argc < 1)
goto bad;
jpake_secret = *(++argv);
}
#endif
else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badop = 1;
break;
}
argc--;
argv++;
}
if (badop) {
bad:
sv_usage();
goto end;
}
#ifndef OPENSSL_NO_DTLS1
if (www && socket_type == SOCK_DGRAM) {
BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
goto end;
}
#endif
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
#endif
if (!app_passwd(bio_err, 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;
#ifndef OPENSSL_NO_TLSEXT
if (s_key_file2 == NULL)
s_key_file2 = s_cert_file2;
#endif
if (nocert == 0) {
s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
"server certificate private key file");
if (!s_key) {
ERR_print_errors(bio_err);
goto end;
}
s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
NULL, e, "server certificate file");
if (!s_cert) {
ERR_print_errors(bio_err);
goto end;
}
#ifndef OPENSSL_NO_TLSEXT
if (tlsextcbp.servername) {
s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
"second server certificate private key file");
if (!s_key2) {
ERR_print_errors(bio_err);
goto end;
}
s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
NULL, e, "second server certificate file");
if (!s_cert2) {
ERR_print_errors(bio_err);
goto end;
}
}
#endif
}
if (s_dcert_file) {
if (s_dkey_file == NULL)
s_dkey_file = s_dcert_file;
s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
0, dpass, e, "second certificate private key file");
if (!s_dkey) {
ERR_print_errors(bio_err);
goto end;
}
s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
NULL, e, "second server certificate file");
if (!s_dcert) {
ERR_print_errors(bio_err);
goto end;
}
}
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
&& !RAND_status()) {
BIO_printf(bio_err,
"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
if (bio_s_out == NULL) {
if (s_quiet && !s_debug && !s_msg) {
bio_s_out = BIO_new(BIO_s_null());
} else {
if (bio_s_out == NULL)
bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
}
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
if (nocert)
#endif
{
s_cert_file = NULL;
s_key_file = NULL;
s_dcert_file = NULL;
s_dkey_file = NULL;
#ifndef OPENSSL_NO_TLSEXT
s_cert_file2 = NULL;
s_key_file2 = NULL;
#endif
}
ctx = SSL_CTX_new(meth);
if (ctx == NULL) {
ERR_print_errors(bio_err);
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");
else if (strlen(session_id_prefix) >= 16)
BIO_printf(bio_err,
"warning: id_prefix is too long if you use SSLv2\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 (bugs)
SSL_CTX_set_options(ctx, SSL_OP_ALL);
if (hack)
SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
SSL_CTX_set_options(ctx, off);
/*
* DTLS: partial reads end up discarding unread UDP bytes :-( Setting
* read ahead solves this problem.
*/
if (socket_type == SOCK_DGRAM)
SSL_CTX_set_read_ahead(ctx, 1);
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
SSL_CTX_sess_set_cache_size(ctx, 128);
#if 0
if (cipher == NULL)
cipher = getenv("SSL_CIPHER");
#endif
#if 0
if (s_cert_file == NULL) {
BIO_printf(bio_err,
"You must specify a certificate file for the server to use\n");
goto end;
}
#endif
if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx))) {
/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
ERR_print_errors(bio_err);
/* goto end; */
}
store = SSL_CTX_get_cert_store(ctx);
X509_STORE_set_flags(store, vflags);
#ifndef OPENSSL_NO_TLSEXT
if (s_cert2) {
ctx2 = SSL_CTX_new(meth);
if (ctx2 == NULL) {
ERR_print_errors(bio_err);
goto end;
}
}
if (ctx2) {
BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
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");
else if (strlen(session_id_prefix) >= 16)
BIO_printf(bio_err,
"warning: id_prefix is too long if you use SSLv2\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 (bugs)
SSL_CTX_set_options(ctx2, SSL_OP_ALL);
if (hack)
SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
SSL_CTX_set_options(ctx2, off);
/*
* DTLS: partial reads end up discarding unread UDP bytes :-(
* Setting read ahead solves this problem.
*/
if (socket_type == SOCK_DGRAM)
SSL_CTX_set_read_ahead(ctx2, 1);
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
SSL_CTX_sess_set_cache_size(ctx2, 128);
if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx2))) {
ERR_print_errors(bio_err);
}
store = SSL_CTX_get_cert_store(ctx2);
X509_STORE_set_flags(store, vflags);
}
#endif
#ifndef OPENSSL_NO_DH
if (!no_dhe) {
DH *dh = NULL;
if (dhfile)
dh = load_dh_param(dhfile);
else if (s_cert_file)
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");
dh = get_dh512();
}
(void)BIO_flush(bio_s_out);
SSL_CTX_set_tmp_dh(ctx, dh);
# ifndef OPENSSL_NO_TLSEXT
if (ctx2) {
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;
}
}
SSL_CTX_set_tmp_dh(ctx2, dh);
}
# endif
DH_free(dh);
}
#endif
#ifndef OPENSSL_NO_ECDH
if (!no_ecdhe) {
EC_KEY *ecdh = NULL;
if (named_curve) {
int nid = OBJ_sn2nid(named_curve);
if (nid == 0) {
BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
goto end;
}
ecdh = EC_KEY_new_by_curve_name(nid);
if (ecdh == NULL) {
BIO_printf(bio_err, "unable to create curve (%s)\n",
named_curve);
goto end;
}
}
if (ecdh != NULL) {
BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
} else {
BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
if (ecdh == NULL) {
BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
goto end;
}
}
(void)BIO_flush(bio_s_out);
SSL_CTX_set_tmp_ecdh(ctx, ecdh);
# ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
# endif
EC_KEY_free(ecdh);
}
#endif
if (!set_cert_key_stuff(ctx, s_cert, s_key))
goto end;
#ifndef OPENSSL_NO_TLSEXT
if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
goto end;
#endif
if (s_dcert != NULL) {
if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
goto end;
}
#ifndef OPENSSL_NO_RSA
# if 1
if (!no_tmp_rsa) {
SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
# ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
# endif
}
# else
if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) {
RSA *rsa;
BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key...");
BIO_flush(bio_s_out);
rsa = RSA_generate_key(512, RSA_F4, NULL);
if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) {
ERR_print_errors(bio_err);
goto end;
}
# ifndef OPENSSL_NO_TLSEXT
if (ctx2) {
if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) {
ERR_print_errors(bio_err);
goto end;
}
}
# endif
RSA_free(rsa);
BIO_printf(bio_s_out, "\n");
}
# endif
#endif
if (cipher != NULL)
if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
BIO_printf(bio_err, "error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
#ifndef OPENSSL_NO_TLSEXT
if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
BIO_printf(bio_err, "error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
}
#endif
}
SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context,
sizeof s_server_session_id_context);
/* 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);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2) {
SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
SSL_CTX_set_session_id_context(ctx2,
(void *)&s_server_session_id_context,
sizeof s_server_session_id_context);
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);
}
#endif
if (CAfile != NULL) {
SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
#endif
}
BIO_printf(bio_s_out, "ACCEPT\n");
if (www)
do_server(port, socket_type, &accept_socket, www_body, context);
else
do_server(port, socket_type, &accept_socket, sv_body, context);
print_stats(bio_s_out, ctx);
ret = 0;
end:
if (ctx != NULL)
SSL_CTX_free(ctx);
if (s_cert)
X509_free(s_cert);
if (s_dcert)
X509_free(s_dcert);
if (s_key)
EVP_PKEY_free(s_key);
if (s_dkey)
EVP_PKEY_free(s_dkey);
if (pass)
OPENSSL_free(pass);
if (dpass)
OPENSSL_free(dpass);
#ifndef OPENSSL_NO_TLSEXT
if (tlscstatp.host)
OPENSSL_free(tlscstatp.host);
if (tlscstatp.port)
OPENSSL_free(tlscstatp.port);
if (tlscstatp.path)
OPENSSL_free(tlscstatp.path);
if (ctx2 != NULL)
SSL_CTX_free(ctx2);
if (s_cert2)
X509_free(s_cert2);
if (s_key2)
EVP_PKEY_free(s_key2);
#endif
if (bio_s_out != NULL) {
BIO_free(bio_s_out);
bio_s_out = NULL;
}
apps_shutdown();
OPENSSL_EXIT(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(char *hostname, int s, 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) || defined(OPENSSL_SYS_NETWARE)
struct timeval tv;
#else
struct timeval *timeoutp;
#endif
if ((buf = OPENSSL_malloc(bufsize)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto err;
}
#ifdef FIONBIO
if (s_nbio) {
unsigned long sl = 1;
if (!s_quiet)
BIO_printf(bio_err, "turning on non blocking io\n");
if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
ERR_print_errors(bio_err);
}
#endif
if (con == NULL) {
con = SSL_new(ctx);
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
if (s_tlsextstatus) {
SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
tlscstatp.err = bio_err;
SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
}
#endif
#ifndef OPENSSL_NO_KRB5
if ((con->kssl_ctx = kssl_ctx_new()) != NULL) {
kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
}
#endif /* OPENSSL_NO_KRB5 */
if (context)
SSL_set_session_id_context(con, context, strlen((char *)context));
}
SSL_clear(con);
if (SSL_version(con) == DTLS1_VERSION) {
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 > 28) {
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
SSL_set_mtu(con, socket_mtu - 28);
} else
/* want to do MTU discovery */
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
/* turn on cookie exchange */
SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
} else
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);
}
#ifndef OPENSSL_NO_JPAKE
if (jpake_secret)
jpake_server_auth(bio_s_out, sbio, jpake_secret);
#endif
SSL_set_bio(con, sbio, sbio);
SSL_set_accept_state(con);
/* SSL_set_fd(con,s); */
if (s_debug) {
con->debug = 1;
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) {
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_s_out);
}
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
#endif
width = s + 1;
for (;;) {
int read_from_terminal;
int read_from_sslcon;
read_from_terminal = 0;
read_from_sslcon = SSL_pending(con);
if (!read_from_sslcon) {
FD_ZERO(&readfds);
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
FD_SET(fileno(stdin), &readfds);
#endif
FD_SET(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) || defined(OPENSSL_SYS_NETWARE)
/*
* 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.
*/
tv.tv_sec = 1;
tv.tv_usec = 0;
i = select(width, (void *)&readfds, NULL, NULL, &tv);
if ((i < 0) || (!i && !_kbhit()))
continue;
if (_kbhit())
read_from_terminal = 1;
#else
if ((SSL_version(con) == DTLS1_VERSION) &&
DTLSv1_get_timeout(con, &timeout))
timeoutp = &timeout;
else
timeoutp = NULL;
i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
if ((SSL_version(con) == DTLS1_VERSION)
&& DTLSv1_handle_timeout(con) > 0) {
BIO_printf(bio_err, "TIMEOUT occured\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 = read(fileno(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 = read(fileno(stdin), buf, bufsize);
if (!s_quiet) {
if ((i <= 0) || (buf[0] == 'Q')) {
BIO_printf(bio_s_out, "DONE\n");
SHUTDOWN(s);
close_accept_socket();
ret = -11;
goto err;
}
if ((i <= 0) || (buf[0] == 'q')) {
BIO_printf(bio_s_out, "DONE\n");
if (SSL_version(con) != DTLS1_VERSION)
SHUTDOWN(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;
/*
* strcpy(buf,"server side RE-NEGOTIATE\n");
*/
}
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;
/*
* strcpy(buf,"server side RE-NEGOTIATE asking for client
* cert\n");
*/
}
if (buf[0] == 'P') {
static const char *str = "Lets print some clear text\n";
BIO_write(SSL_get_wbio(con), str, strlen(str));
}
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);
switch (SSL_get_error(con, k)) {
case SSL_ERROR_NONE:
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");
break;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
BIO_printf(bio_s_out, "ERROR\n");
ERR_print_errors(bio_err);
ret = 1;
goto err;
/* break; */
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_s_out, "DONE\n");
ret = 1;
goto err;
}
l += k;
i -= k;
if (i <= 0)
break;
}
}
if (read_from_sslcon) {
if (!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);
switch (SSL_get_error(con, i)) {
case SSL_ERROR_NONE:
#ifdef CHARSET_EBCDIC
ascii2ebcdic(buf, buf, i);
#endif
if (write(fileno(stdout), buf, (unsigned int)i) != i)
goto err;
if (SSL_pending(con))
goto again;
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_s_out, "Read BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
BIO_printf(bio_s_out, "ERROR\n");
ERR_print_errors(bio_err);
ret = 1;
goto err;
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_s_out, "DONE\n");
ret = 1;
goto err;
}
}
}
}
err:
BIO_printf(bio_s_out, "shutting down SSL\n");
#if 1
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
SSL_shutdown(con);
#endif
if (con != NULL)
SSL_free(con);
BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
if (buf != NULL) {
OPENSSL_cleanse(buf, bufsize);
OPENSSL_free(buf);
}
if (ret >= 0)
BIO_printf(bio_s_out, "ACCEPT\n");
return (ret);
}
static void close_accept_socket(void)
{
BIO_printf(bio_err, "shutdown accept socket\n");
if (accept_socket >= 0) {
SHUTDOWN2(accept_socket);
}
}
static int init_ssl_connection(SSL *con)
{
int i;
const char *str;
X509 *peer;
long verify_error;
MS_STATIC char buf[BUFSIZ];
if ((i = SSL_accept(con)) <= 0) {
if (BIO_sock_should_retry(i)) {
BIO_printf(bio_s_out, "DELAY\n");
return (1);
}
BIO_printf(bio_err, "ERROR\n");
verify_error = SSL_get_verify_result(con);
if (verify_error != X509_V_OK) {
BIO_printf(bio_err, "verify error:%s\n",
X509_verify_cert_error_string(verify_error));
} else
ERR_print_errors(bio_err);
return (0);
}
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);
X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
BIO_printf(bio_s_out, "subject=%s\n", buf);
X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
BIO_printf(bio_s_out, "issuer=%s\n", buf);
X509_free(peer);
}
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));
BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
if (con->hit)
BIO_printf(bio_s_out, "Reused session-id\n");
if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
TLS1_FLAGS_TLS_PADDING_BUG)
BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n");
#ifndef OPENSSL_NO_KRB5
if (con->kssl_ctx->client_princ != NULL) {
BIO_printf(bio_s_out, "Kerberos peer principal is %s\n",
con->kssl_ctx->client_princ);
}
#endif /* OPENSSL_NO_KRB5 */
BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
return (1);
}
#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:
if (bio != NULL)
BIO_free(bio);
return (ret);
}
#endif
#if 0
static int load_CA(SSL_CTX *ctx, char *file)
{
FILE *in;
X509 *x = NULL;
if ((in = fopen(file, "r")) == NULL)
return (0);
for (;;) {
if (PEM_read_X509(in, &x, NULL) == NULL)
break;
SSL_CTX_add_client_CA(ctx, x);
}
if (x != NULL)
X509_free(x);
fclose(in);
return (1);
}
#endif
static int www_body(char *hostname, int s, unsigned char *context)
{
char *buf = NULL;
int ret = 1;
int i, j, k, dot;
struct stat st_buf;
SSL *con;
SSL_CIPHER *c;
BIO *io, *ssl_bio, *sbio;
#ifdef RENEG
long total_bytes;
#endif
buf = OPENSSL_malloc(bufsize);
if (buf == NULL)
return (0);
io = BIO_new(BIO_f_buffer());
ssl_bio = BIO_new(BIO_f_ssl());
if ((io == NULL) || (ssl_bio == NULL))
goto err;
#ifdef FIONBIO
if (s_nbio) {
unsigned long sl = 1;
if (!s_quiet)
BIO_printf(bio_err, "turning on non blocking io\n");
if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
ERR_print_errors(bio_err);
}
#endif
/* 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;
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
#endif
#ifndef OPENSSL_NO_KRB5
if ((con->kssl_ctx = kssl_ctx_new()) != NULL) {
kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
}
#endif /* OPENSSL_NO_KRB5 */
if (context)
SSL_set_session_id_context(con, context, strlen((char *)context));
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);
/* SSL_set_fd(con,s); */
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) {
con->debug = 1;
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) {
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_s_out);
}
for (;;) {
if (hack) {
i = SSL_accept(con);
switch (SSL_get_error(con, i)) {
case SSL_ERROR_NONE:
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_X509_LOOKUP:
continue;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
case SSL_ERROR_ZERO_RETURN:
ret = 1;
goto err;
/* break; */
}
SSL_renegotiate(con);
SSL_write(con, NULL, 0);
}
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");
#if defined(OPENSSL_SYS_NETWARE)
delay(1000);
#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
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, 10) == 0))) {
char *p;
X509 *peer;
STACK_OF(SSL_CIPHER) *sk;
static const char *space = " ";
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,SSLeay_version(SSLEAY_VERSION));*/
BIO_puts(io, "\n");
for (i = 0; i < local_argc; i++) {
BIO_puts(io, local_argv[i]);
BIO_write(io, " ", 1);
}
BIO_puts(io, "\n");
/*
* 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");
}
BIO_printf(io, ((con->hit)
? "---\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);
} else
BIO_puts(io, "no client certificate available\n");
BIO_puts(io, "</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;
switch (dot) {
case 1:
dot = (e[0] == '.') ? 2 : 0;
break;
case 2:
dot = (e[0] == '.') ? 3 : 0;
break;
case 3:
dot = (e[0] == '/') ? -1 : 0;
break;
}
if (dot == 0)
dot = (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 '..' reference\r\n", p);
break;
}
if (*p == '/') {
BIO_puts(io, text);
BIO_printf(io, "'%s' is an invalid path\r\n", p);
break;
}
#if 0
/* append if a directory lookup */
if (e[-1] == '/')
strcat(p, "index.html");
#endif
/* if a directory, do the index thang */
if (stat(p, &st_buf) < 0) {
BIO_puts(io, text);
BIO_printf(io, "Error accessing '%s'\r\n", p);
ERR_print_errors(io);
break;
}
if (S_ISDIR(st_buf.st_mode)) {
#if 0 /* must check buffer size */
strcat(p, "/index.html");
#else
BIO_puts(io, text);
BIO_printf(io, "'%s' is a directory\r\n", p);
break;
#endif
}
if ((file = BIO_new_file(p, "r")) == NULL) {
BIO_puts(io, text);
BIO_printf(io, "Error opening '%s'\r\n", p);
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 */
#ifdef RENEG
total_bytes = 0;
#endif
for (;;) {
i = BIO_read(file, buf, bufsize);
if (i <= 0)
break;
#ifdef RENEG
total_bytes += i;
fprintf(stderr, "%d\n", i);
if (total_bytes > 3 * 1024) {
total_bytes = 0;
fprintf(stderr, "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))
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:
#if 1
/* make sure we re-use sessions */
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
/* This kills performance */
/*
* SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io)
* procession
*/
#endif
err:
if (ret >= 0)
BIO_printf(bio_s_out, "ACCEPT\n");
if (buf != NULL)
OPENSSL_free(buf);
if (io != NULL)
BIO_free_all(io);
/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
return (ret);
}
#ifndef OPENSSL_NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
{
BIGNUM *bn = NULL;
static RSA *rsa_tmp = NULL;
if (!rsa_tmp && ((bn = BN_new()) == NULL))
BIO_printf(bio_err, "Allocation error in generating RSA key\n");
if (!rsa_tmp && bn) {
if (!s_quiet) {
BIO_printf(bio_err, "Generating temp (%d bit) RSA key...",
keylength);
(void)BIO_flush(bio_err);
}
if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
if (rsa_tmp)
RSA_free(rsa_tmp);
rsa_tmp = NULL;
}
if (!s_quiet) {
BIO_printf(bio_err, "\n");
(void)BIO_flush(bio_err);
}
BN_free(bn);
}
return (rsa_tmp);
}
#endif
#define MAX_SESSION_ID_ATTEMPTS 10
static int generate_session_id(const SSL *ssl, unsigned char *id,
unsigned int *id_len)
{
unsigned int count = 0;
do {
RAND_pseudo_bytes(id, *id_len);
/*
* 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,
(strlen(session_id_prefix) < *id_len) ?
strlen(session_id_prefix) : *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;
}
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