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openssl/apps/s_client.c
Dr. Stephen Henson 92ea6fe597 SRP memory leak fix 
Reviewed-by: Richard Levitte <levitte@openssl.org>
2015-09-28 14:31:53 +01:00

2335 lines
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/* apps/s_client.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) 1998-2006 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 2005 Nokia. All rights reserved.
*
* The portions of the attached software ("Contribution") is developed by
* Nokia Corporation and is licensed pursuant to the OpenSSL open source
* license.
*
* The Contribution, originally written by Mika Kousa and Pasi Eronen of
* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
* support (see RFC 4279) to OpenSSL.
*
* No patent licenses or other rights except those expressly stated in
* the OpenSSL open source license shall be deemed granted or received
* expressly, by implication, estoppel, or otherwise.
*
* No assurances are provided by Nokia that the Contribution does not
* infringe the patent or other intellectual property rights of any third
* party or that the license provides you with all the necessary rights
* to make use of the Contribution.
*
* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
* OTHERWISE.
*/
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_STDIO
# define APPS_WIN16
#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
#define USE_SOCKETS
#include "apps.h"
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/rand.h>
#include <openssl/ocsp.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_SRP
# include <openssl/srp.h>
#endif
#include "s_apps.h"
#include "timeouts.h"
#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
#if defined(OPENSSL_SYS_BEOS_R5)
# include <fcntl.h>
#endif
#undef PROG
#define PROG s_client_main
/*
* #define SSL_HOST_NAME "www.netscape.com"
*/
/*
* #define SSL_HOST_NAME "193.118.187.102"
*/
#define SSL_HOST_NAME "localhost"
/* no default cert. */
/*
* #define TEST_CERT "client.pem"
*/
#undef BUFSIZZ
#define BUFSIZZ 1024*8
extern int verify_depth;
extern int verify_error;
extern int verify_return_error;
extern int verify_quiet;
#ifdef FIONBIO
static int c_nbio = 0;
#endif
static int c_Pause = 0;
static int c_debug = 0;
#ifndef OPENSSL_NO_TLSEXT
static int c_tlsextdebug = 0;
static int c_status_req = 0;
#endif
static int c_msg = 0;
static int c_showcerts = 0;
static char *keymatexportlabel = NULL;
static int keymatexportlen = 20;
static void sc_usage(void);
static void print_stuff(BIO *berr, SSL *con, int full);
#ifndef OPENSSL_NO_TLSEXT
static int ocsp_resp_cb(SSL *s, void *arg);
#endif
static BIO *bio_c_out = NULL;
static BIO *bio_c_msg = NULL;
static int c_quiet = 0;
static int c_ign_eof = 0;
static int c_brief = 0;
#ifndef OPENSSL_NO_PSK
/* Default PSK identity and key */
static char *psk_identity = "Client_identity";
/*
* char *psk_key=NULL; by default PSK is not used
*/
static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
unsigned int max_identity_len,
unsigned char *psk,
unsigned int max_psk_len)
{
unsigned int psk_len = 0;
int ret;
BIGNUM *bn = NULL;
if (c_debug)
BIO_printf(bio_c_out, "psk_client_cb\n");
if (!hint) {
/* no ServerKeyExchange message */
if (c_debug)
BIO_printf(bio_c_out,
"NULL received PSK identity hint, continuing anyway\n");
} else if (c_debug)
BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
/*
* lookup PSK identity and PSK key based on the given identity hint here
*/
ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
if (ret < 0 || (unsigned int)ret > max_identity_len)
goto out_err;
if (c_debug)
BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
ret);
ret = BN_hex2bn(&bn, psk_key);
if (!ret) {
BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
psk_key);
if (bn)
BN_free(bn);
return 0;
}
if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
BIO_printf(bio_err,
"psk buffer of callback is too small (%d) for key (%d)\n",
max_psk_len, BN_num_bytes(bn));
BN_free(bn);
return 0;
}
psk_len = BN_bn2bin(bn, psk);
BN_free(bn);
if (psk_len == 0)
goto out_err;
if (c_debug)
BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
return psk_len;
out_err:
if (c_debug)
BIO_printf(bio_err, "Error in PSK client callback\n");
return 0;
}
#endif
static void sc_usage(void)
{
BIO_printf(bio_err, "usage: s_client args\n");
BIO_printf(bio_err, "\n");
BIO_printf(bio_err, " -host host - use -connect instead\n");
BIO_printf(bio_err, " -port port - use -connect instead\n");
BIO_printf(bio_err,
" -connect host:port - who to connect to (default is %s:%s)\n",
SSL_HOST_NAME, PORT_STR);
BIO_printf(bio_err,
" -verify_host host - check peer certificate matches \"host\"\n");
BIO_printf(bio_err,
" -verify_email email - check peer certificate matches \"email\"\n");
BIO_printf(bio_err,
" -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
BIO_printf(bio_err,
" -verify arg - turn on peer certificate verification\n");
BIO_printf(bio_err,
" -verify_return_error - return verification errors\n");
BIO_printf(bio_err,
" -cert arg - certificate file to use, PEM format assumed\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 but cert file is.\n");
BIO_printf(bio_err,
" -keyform arg - key format (PEM or DER) PEM default\n");
BIO_printf(bio_err,
" -pass arg - private key file pass phrase source\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,
" -no_alt_chains - only ever use the first certificate chain found\n");
BIO_printf(bio_err,
" -reconnect - Drop and re-make the connection with the same Session-ID\n");
BIO_printf(bio_err,
" -pause - sleep(1) after each read(2) and write(2) system call\n");
BIO_printf(bio_err,
" -prexit - print session information even on connection failure\n");
BIO_printf(bio_err,
" -showcerts - show all certificates in the chain\n");
BIO_printf(bio_err, " -debug - extra output\n");
#ifdef WATT32
BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n");
#endif
BIO_printf(bio_err, " -msg - Show protocol messages\n");
BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n");
BIO_printf(bio_err, " -state - print the 'ssl' states\n");
#ifdef FIONBIO
BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
#endif
BIO_printf(bio_err,
" -crlf - convert LF from terminal into CRLF\n");
BIO_printf(bio_err, " -quiet - no s_client output\n");
BIO_printf(bio_err,
" -ign_eof - ignore input eof (default when -quiet)\n");
BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n");
#ifndef OPENSSL_NO_PSK
BIO_printf(bio_err, " -psk_identity arg - PSK identity\n");
BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n");
# ifndef OPENSSL_NO_JPAKE
BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n");
# endif
#endif
#ifndef OPENSSL_NO_SRP
BIO_printf(bio_err,
" -srpuser user - SRP authentification for 'user'\n");
BIO_printf(bio_err, " -srppass arg - password for 'user'\n");
BIO_printf(bio_err,
" -srp_lateuser - SRP username into second ClientHello message\n");
BIO_printf(bio_err,
" -srp_moregroups - Tolerate other than the known g N values.\n");
BIO_printf(bio_err,
" -srp_strength int - minimal length in bits for N (default %d).\n",
SRP_MINIMAL_N);
#endif
BIO_printf(bio_err, " -ssl2 - just use SSLv2\n");
#ifndef OPENSSL_NO_SSL3_METHOD
BIO_printf(bio_err, " -ssl3 - just use SSLv3\n");
#endif
BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n");
BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
BIO_printf(bio_err,
" -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
BIO_printf(bio_err,
" -bugs - Switch on all SSL implementation bug workarounds\n");
BIO_printf(bio_err,
" -serverpref - Use server's cipher preferences (only SSLv2)\n");
BIO_printf(bio_err,
" -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
BIO_printf(bio_err,
" command to see what is available\n");
BIO_printf(bio_err,
" -starttls prot - use the STARTTLS command before starting TLS\n");
BIO_printf(bio_err,
" for those protocols that support it, where\n");
BIO_printf(bio_err,
" 'prot' defines which one to assume. Currently,\n");
BIO_printf(bio_err,
" only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
BIO_printf(bio_err, " are supported.\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
" -engine id - Initialise and use the specified engine\n");
#endif
BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
LIST_SEPARATOR_CHAR);
BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
#ifndef OPENSSL_NO_TLSEXT
BIO_printf(bio_err,
" -servername host - Set TLS extension servername in ClientHello\n");
BIO_printf(bio_err,
" -tlsextdebug - hex dump of all TLS extensions received\n");
BIO_printf(bio_err,
" -status - request certificate status from server\n");
BIO_printf(bio_err,
" -no_ticket - disable use of RFC4507bis session tickets\n");
BIO_printf(bio_err,
" -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
BIO_printf(bio_err,
" -curves arg - Elliptic curves to advertise (colon-separated list)\n");
BIO_printf(bio_err,
" -sigalgs arg - Signature algorithms to support (colon-separated list)\n");
BIO_printf(bio_err,
" -client_sigalgs arg - Signature algorithms to support for client\n");
BIO_printf(bio_err,
" certificate authentication (colon-separated list)\n");
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
BIO_printf(bio_err,
" -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
#endif
BIO_printf(bio_err,
" -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
BIO_printf(bio_err,
" -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
#ifndef OPENSSL_NO_SRTP
BIO_printf(bio_err,
" -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
#endif
BIO_printf(bio_err,
" -keymatexport label - Export keying material using label\n");
BIO_printf(bio_err,
" -keymatexportlen len - Export len bytes of keying material (default 20)\n");
}
#ifndef OPENSSL_NO_TLSEXT
/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
BIO *biodebug;
int ack;
} tlsextctx;
static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
{
tlsextctx *p = (tlsextctx *) arg;
const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
if (SSL_get_servername_type(s) != -1)
p->ack = !SSL_session_reused(s) && hn != NULL;
else
BIO_printf(bio_err, "Can't use SSL_get_servername\n");
return SSL_TLSEXT_ERR_OK;
}
# ifndef OPENSSL_NO_SRP
/* This is a context that we pass to all callbacks */
typedef struct srp_arg_st {
char *srppassin;
char *srplogin;
int msg; /* copy from c_msg */
int debug; /* copy from c_debug */
int amp; /* allow more groups */
int strength /* minimal size for N */ ;
} SRP_ARG;
# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
{
BN_CTX *bn_ctx = BN_CTX_new();
BIGNUM *p = BN_new();
BIGNUM *r = BN_new();
int ret =
g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
p != NULL && BN_rshift1(p, N) &&
/* p = (N-1)/2 */
BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
r != NULL &&
/* verify g^((N-1)/2) == -1 (mod N) */
BN_mod_exp(r, g, p, N, bn_ctx) &&
BN_add_word(r, 1) && BN_cmp(r, N) == 0;
if (r)
BN_free(r);
if (p)
BN_free(p);
if (bn_ctx)
BN_CTX_free(bn_ctx);
return ret;
}
/*-
* This callback is used here for two purposes:
* - extended debugging
* - making some primality tests for unknown groups
* The callback is only called for a non default group.
*
* An application does not need the call back at all if
* only the stanard groups are used. In real life situations,
* client and server already share well known groups,
* thus there is no need to verify them.
* Furthermore, in case that a server actually proposes a group that
* is not one of those defined in RFC 5054, it is more appropriate
* to add the group to a static list and then compare since
* primality tests are rather cpu consuming.
*/
static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
{
SRP_ARG *srp_arg = (SRP_ARG *)arg;
BIGNUM *N = NULL, *g = NULL;
if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
return 0;
if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
BIO_printf(bio_err, "SRP parameters:\n");
BIO_printf(bio_err, "\tN=");
BN_print(bio_err, N);
BIO_printf(bio_err, "\n\tg=");
BN_print(bio_err, g);
BIO_printf(bio_err, "\n");
}
if (SRP_check_known_gN_param(g, N))
return 1;
if (srp_arg->amp == 1) {
if (srp_arg->debug)
BIO_printf(bio_err,
"SRP param N and g are not known params, going to check deeper.\n");
/*
* The srp_moregroups is a real debugging feature. Implementors
* should rather add the value to the known ones. The minimal size
* has already been tested.
*/
if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
return 1;
}
BIO_printf(bio_err, "SRP param N and g rejected.\n");
return 0;
}
# define PWD_STRLEN 1024
static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
{
SRP_ARG *srp_arg = (SRP_ARG *)arg;
char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1);
PW_CB_DATA cb_tmp;
int l;
if (!pass) {
BIO_printf(bio_err, "Malloc failure\n");
return NULL;
}
cb_tmp.password = (char *)srp_arg->srppassin;
cb_tmp.prompt_info = "SRP user";
if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
BIO_printf(bio_err, "Can't read Password\n");
OPENSSL_free(pass);
return NULL;
}
*(pass + l) = '\0';
return pass;
}
# endif
# ifndef OPENSSL_NO_SRTP
char *srtp_profiles = NULL;
# endif
# ifndef OPENSSL_NO_NEXTPROTONEG
/* This the context that we pass to next_proto_cb */
typedef struct tlsextnextprotoctx_st {
unsigned char *data;
unsigned short len;
int status;
} tlsextnextprotoctx;
static tlsextnextprotoctx next_proto;
static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
const unsigned char *in, unsigned int inlen,
void *arg)
{
tlsextnextprotoctx *ctx = arg;
if (!c_quiet) {
/* We can assume that |in| is syntactically valid. */
unsigned i;
BIO_printf(bio_c_out, "Protocols advertised by server: ");
for (i = 0; i < inlen;) {
if (i)
BIO_write(bio_c_out, ", ", 2);
BIO_write(bio_c_out, &in[i + 1], in[i]);
i += in[i] + 1;
}
BIO_write(bio_c_out, "\n", 1);
}
ctx->status =
SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
return SSL_TLSEXT_ERR_OK;
}
# endif /* ndef OPENSSL_NO_NEXTPROTONEG */
static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
const unsigned char *in, size_t inlen,
int *al, void *arg)
{
char pem_name[100];
unsigned char ext_buf[4 + 65536];
/* Reconstruct the type/len fields prior to extension data */
ext_buf[0] = ext_type >> 8;
ext_buf[1] = ext_type & 0xFF;
ext_buf[2] = inlen >> 8;
ext_buf[3] = inlen & 0xFF;
memcpy(ext_buf + 4, in, inlen);
BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
ext_type);
PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
return 1;
}
#endif
enum {
PROTO_OFF = 0,
PROTO_SMTP,
PROTO_POP3,
PROTO_IMAP,
PROTO_FTP,
PROTO_XMPP
};
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
int build_chain = 0;
SSL *con = NULL;
#ifndef OPENSSL_NO_KRB5
KSSL_CTX *kctx;
#endif
int s, k, width, state = 0;
char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
int cbuf_len, cbuf_off;
int sbuf_len, sbuf_off;
fd_set readfds, writefds;
short port = PORT;
int full_log = 1;
char *host = SSL_HOST_NAME;
char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
char *passarg = NULL, *pass = NULL;
X509 *cert = NULL;
EVP_PKEY *key = NULL;
STACK_OF(X509) *chain = NULL;
char *CApath = NULL, *CAfile = NULL;
char *chCApath = NULL, *chCAfile = NULL;
char *vfyCApath = NULL, *vfyCAfile = NULL;
int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE;
int crlf = 0;
int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
SSL_CTX *ctx = NULL;
int ret = 1, in_init = 1, i, nbio_test = 0;
int starttls_proto = PROTO_OFF;
int prexit = 0;
X509_VERIFY_PARAM *vpm = NULL;
int badarg = 0;
const SSL_METHOD *meth = NULL;
int socket_type = SOCK_STREAM;
BIO *sbio;
char *inrand = NULL;
int mbuf_len = 0;
struct timeval timeout, *timeoutp;
#ifndef OPENSSL_NO_ENGINE
char *engine_id = NULL;
char *ssl_client_engine_id = NULL;
ENGINE *ssl_client_engine = NULL;
#endif
ENGINE *e = NULL;
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
struct timeval tv;
# if defined(OPENSSL_SYS_BEOS_R5)
int stdin_set = 0;
# endif
#endif
#ifndef OPENSSL_NO_TLSEXT
char *servername = NULL;
tlsextctx tlsextcbp = { NULL, 0 };
# ifndef OPENSSL_NO_NEXTPROTONEG
const char *next_proto_neg_in = NULL;
# endif
const char *alpn_in = NULL;
# define MAX_SI_TYPES 100
unsigned short serverinfo_types[MAX_SI_TYPES];
int serverinfo_types_count = 0;
#endif
char *sess_in = NULL;
char *sess_out = NULL;
struct sockaddr peer;
int peerlen = sizeof(peer);
int fallback_scsv = 0;
int enable_timeouts = 0;
long socket_mtu = 0;
#ifndef OPENSSL_NO_JPAKE
static char *jpake_secret = NULL;
# define no_jpake !jpake_secret
#else
# define no_jpake 1
#endif
#ifndef OPENSSL_NO_SRP
char *srppass = NULL;
int srp_lateuser = 0;
SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
#endif
SSL_EXCERT *exc = NULL;
SSL_CONF_CTX *cctx = NULL;
STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
char *crl_file = NULL;
int crl_format = FORMAT_PEM;
int crl_download = 0;
STACK_OF(X509_CRL) *crls = NULL;
meth = SSLv23_client_method();
apps_startup();
c_Pause = 0;
c_quiet = 0;
c_ign_eof = 0;
c_debug = 0;
c_msg = 0;
c_showcerts = 0;
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
cctx = SSL_CONF_CTX_new();
if (!cctx)
goto end;
SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
verify_depth = 0;
verify_error = X509_V_OK;
#ifdef FIONBIO
c_nbio = 0;
#endif
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-host") == 0) {
if (--argc < 1)
goto bad;
host = *(++argv);
} else if (strcmp(*argv, "-port") == 0) {
if (--argc < 1)
goto bad;
port = atoi(*(++argv));
if (port == 0)
goto bad;
} else if (strcmp(*argv, "-connect") == 0) {
if (--argc < 1)
goto bad;
if (!extract_host_port(*(++argv), &host, NULL, &port))
goto bad;
} else if (strcmp(*argv, "-verify") == 0) {
verify = SSL_VERIFY_PEER;
if (--argc < 1)
goto bad;
verify_depth = atoi(*(++argv));
if (!c_quiet)
BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
} else if (strcmp(*argv, "-cert") == 0) {
if (--argc < 1)
goto bad;
cert_file = *(++argv);
} else if (strcmp(*argv, "-CRL") == 0) {
if (--argc < 1)
goto bad;
crl_file = *(++argv);
} else if (strcmp(*argv, "-crl_download") == 0)
crl_download = 1;
else if (strcmp(*argv, "-sess_out") == 0) {
if (--argc < 1)
goto bad;
sess_out = *(++argv);
} else if (strcmp(*argv, "-sess_in") == 0) {
if (--argc < 1)
goto bad;
sess_in = *(++argv);
} else if (strcmp(*argv, "-certform") == 0) {
if (--argc < 1)
goto bad;
cert_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-CRLform") == 0) {
if (--argc < 1)
goto bad;
crl_format = str2fmt(*(++argv));
} else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
if (badarg)
goto bad;
continue;
} else if (strcmp(*argv, "-verify_return_error") == 0)
verify_return_error = 1;
else if (strcmp(*argv, "-verify_quiet") == 0)
verify_quiet = 1;
else if (strcmp(*argv, "-brief") == 0) {
c_brief = 1;
verify_quiet = 1;
c_quiet = 1;
} else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
if (badarg)
goto bad;
continue;
} else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) {
if (badarg)
goto bad;
continue;
} else if (strcmp(*argv, "-prexit") == 0)
prexit = 1;
else if (strcmp(*argv, "-crlf") == 0)
crlf = 1;
else if (strcmp(*argv, "-quiet") == 0) {
c_quiet = 1;
c_ign_eof = 1;
} else if (strcmp(*argv, "-ign_eof") == 0)
c_ign_eof = 1;
else if (strcmp(*argv, "-no_ign_eof") == 0)
c_ign_eof = 0;
else if (strcmp(*argv, "-pause") == 0)
c_Pause = 1;
else if (strcmp(*argv, "-debug") == 0)
c_debug = 1;
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-tlsextdebug") == 0)
c_tlsextdebug = 1;
else if (strcmp(*argv, "-status") == 0)
c_status_req = 1;
#endif
#ifdef WATT32
else if (strcmp(*argv, "-wdebug") == 0)
dbug_init();
#endif
else if (strcmp(*argv, "-msg") == 0)
c_msg = 1;
else if (strcmp(*argv, "-msgfile") == 0) {
if (--argc < 1)
goto bad;
bio_c_msg = BIO_new_file(*(++argv), "w");
}
#ifndef OPENSSL_NO_SSL_TRACE
else if (strcmp(*argv, "-trace") == 0)
c_msg = 2;
#endif
else if (strcmp(*argv, "-showcerts") == 0)
c_showcerts = 1;
else if (strcmp(*argv, "-nbio_test") == 0)
nbio_test = 1;
else if (strcmp(*argv, "-state") == 0)
state = 1;
#ifndef OPENSSL_NO_PSK
else if (strcmp(*argv, "-psk_identity") == 0) {
if (--argc < 1)
goto bad;
psk_identity = *(++argv);
} else if (strcmp(*argv, "-psk") == 0) {
size_t j;
if (--argc < 1)
goto bad;
psk_key = *(++argv);
for (j = 0; j < strlen(psk_key); j++) {
if (isxdigit((unsigned char)psk_key[j]))
continue;
BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
goto bad;
}
}
#endif
#ifndef OPENSSL_NO_SRP
else if (strcmp(*argv, "-srpuser") == 0) {
if (--argc < 1)
goto bad;
srp_arg.srplogin = *(++argv);
meth = TLSv1_client_method();
} else if (strcmp(*argv, "-srppass") == 0) {
if (--argc < 1)
goto bad;
srppass = *(++argv);
meth = TLSv1_client_method();
} else if (strcmp(*argv, "-srp_strength") == 0) {
if (--argc < 1)
goto bad;
srp_arg.strength = atoi(*(++argv));
BIO_printf(bio_err, "SRP minimal length for N is %d\n",
srp_arg.strength);
meth = TLSv1_client_method();
} else if (strcmp(*argv, "-srp_lateuser") == 0) {
srp_lateuser = 1;
meth = TLSv1_client_method();
} else if (strcmp(*argv, "-srp_moregroups") == 0) {
srp_arg.amp = 1;
meth = TLSv1_client_method();
}
#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv, "-ssl2") == 0)
meth = SSLv2_client_method();
#endif
#ifndef OPENSSL_NO_SSL3_METHOD
else if (strcmp(*argv, "-ssl3") == 0)
meth = SSLv3_client_method();
#endif
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv, "-tls1_2") == 0)
meth = TLSv1_2_client_method();
else if (strcmp(*argv, "-tls1_1") == 0)
meth = TLSv1_1_client_method();
else if (strcmp(*argv, "-tls1") == 0)
meth = TLSv1_client_method();
#endif
#ifndef OPENSSL_NO_DTLS1
else if (strcmp(*argv, "-dtls") == 0) {
meth = DTLS_client_method();
socket_type = SOCK_DGRAM;
} else if (strcmp(*argv, "-dtls1") == 0) {
meth = DTLSv1_client_method();
socket_type = SOCK_DGRAM;
} else if (strcmp(*argv, "-dtls1_2") == 0) {
meth = DTLSv1_2_client_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));
}
#endif
else if (strcmp(*argv, "-fallback_scsv") == 0) {
fallback_scsv = 1;
} else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
goto bad;
key_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-pass") == 0) {
if (--argc < 1)
goto bad;
passarg = *(++argv);
} else if (strcmp(*argv, "-cert_chain") == 0) {
if (--argc < 1)
goto bad;
chain_file = *(++argv);
} else if (strcmp(*argv, "-key") == 0) {
if (--argc < 1)
goto bad;
key_file = *(++argv);
} else if (strcmp(*argv, "-reconnect") == 0) {
reconnect = 5;
} else if (strcmp(*argv, "-CApath") == 0) {
if (--argc < 1)
goto bad;
CApath = *(++argv);
} else if (strcmp(*argv, "-chainCApath") == 0) {
if (--argc < 1)
goto bad;
chCApath = *(++argv);
} else if (strcmp(*argv, "-verifyCApath") == 0) {
if (--argc < 1)
goto bad;
vfyCApath = *(++argv);
} else if (strcmp(*argv, "-build_chain") == 0)
build_chain = 1;
else if (strcmp(*argv, "-CAfile") == 0) {
if (--argc < 1)
goto bad;
CAfile = *(++argv);
} else if (strcmp(*argv, "-chainCAfile") == 0) {
if (--argc < 1)
goto bad;
chCAfile = *(++argv);
} else if (strcmp(*argv, "-verifyCAfile") == 0) {
if (--argc < 1)
goto bad;
vfyCAfile = *(++argv);
}
#ifndef OPENSSL_NO_TLSEXT
# ifndef OPENSSL_NO_NEXTPROTONEG
else if (strcmp(*argv, "-nextprotoneg") == 0) {
if (--argc < 1)
goto bad;
next_proto_neg_in = *(++argv);
}
# endif
else if (strcmp(*argv, "-alpn") == 0) {
if (--argc < 1)
goto bad;
alpn_in = *(++argv);
} else if (strcmp(*argv, "-serverinfo") == 0) {
char *c;
int start = 0;
int len;
if (--argc < 1)
goto bad;
c = *(++argv);
serverinfo_types_count = 0;
len = strlen(c);
for (i = 0; i <= len; ++i) {
if (i == len || c[i] == ',') {
serverinfo_types[serverinfo_types_count]
= atoi(c + start);
serverinfo_types_count++;
start = i + 1;
}
if (serverinfo_types_count == MAX_SI_TYPES)
break;
}
}
#endif
#ifdef FIONBIO
else if (strcmp(*argv, "-nbio") == 0) {
c_nbio = 1;
}
#endif
else if (strcmp(*argv, "-starttls") == 0) {
if (--argc < 1)
goto bad;
++argv;
if (strcmp(*argv, "smtp") == 0)
starttls_proto = PROTO_SMTP;
else if (strcmp(*argv, "pop3") == 0)
starttls_proto = PROTO_POP3;
else if (strcmp(*argv, "imap") == 0)
starttls_proto = PROTO_IMAP;
else if (strcmp(*argv, "ftp") == 0)
starttls_proto = PROTO_FTP;
else if (strcmp(*argv, "xmpp") == 0)
starttls_proto = PROTO_XMPP;
else
goto bad;
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine_id = *(++argv);
} else if (strcmp(*argv, "-ssl_client_engine") == 0) {
if (--argc < 1)
goto bad;
ssl_client_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;
servername = *(++argv);
/* meth=TLSv1_client_method(); */
}
#endif
#ifndef OPENSSL_NO_JPAKE
else if (strcmp(*argv, "-jpake") == 0) {
if (--argc < 1)
goto bad;
jpake_secret = *++argv;
}
#endif
#ifndef OPENSSL_NO_SRTP
else if (strcmp(*argv, "-use_srtp") == 0) {
if (--argc < 1)
goto bad;
srtp_profiles = *(++argv);
}
#endif
else if (strcmp(*argv, "-keymatexport") == 0) {
if (--argc < 1)
goto bad;
keymatexportlabel = *(++argv);
} else if (strcmp(*argv, "-keymatexportlen") == 0) {
if (--argc < 1)
goto bad;
keymatexportlen = atoi(*(++argv));
if (keymatexportlen == 0)
goto bad;
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badop = 1;
break;
}
argc--;
argv++;
}
if (badop) {
bad:
sc_usage();
goto end;
}
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
if (jpake_secret) {
if (psk_key) {
BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
goto end;
}
psk_identity = "JPAKE";
}
#endif
OpenSSL_add_ssl_algorithms();
SSL_load_error_strings();
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
next_proto.status = -1;
if (next_proto_neg_in) {
next_proto.data =
next_protos_parse(&next_proto.len, next_proto_neg_in);
if (next_proto.data == NULL) {
BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
goto end;
}
} else
next_proto.data = NULL;
#endif
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
if (ssl_client_engine_id) {
ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
if (!ssl_client_engine) {
BIO_printf(bio_err, "Error getting client auth engine\n");
goto end;
}
}
#endif
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (key_file == NULL)
key_file = cert_file;
if (key_file) {
key = load_key(bio_err, key_file, key_format, 0, pass, e,
"client certificate private key file");
if (!key) {
ERR_print_errors(bio_err);
goto end;
}
}
if (cert_file) {
cert = load_cert(bio_err, cert_file, cert_format,
NULL, e, "client certificate file");
if (!cert) {
ERR_print_errors(bio_err);
goto end;
}
}
if (chain_file) {
chain = load_certs(bio_err, chain_file, FORMAT_PEM,
NULL, e, "client certificate chain");
if (!chain)
goto end;
}
if (crl_file) {
X509_CRL *crl;
crl = load_crl(crl_file, crl_format);
if (!crl) {
BIO_puts(bio_err, "Error loading CRL\n");
ERR_print_errors(bio_err);
goto end;
}
crls = sk_X509_CRL_new_null();
if (!crls || !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 (!load_excert(&exc, 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_c_out == NULL) {
if (c_quiet && !c_debug) {
bio_c_out = BIO_new(BIO_s_null());
if (c_msg && !bio_c_msg)
bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
} else {
if (bio_c_out == NULL)
bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
}
#ifndef OPENSSL_NO_SRP
if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
#endif
ctx = SSL_CTX_new(meth);
if (ctx == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (vpm)
SSL_CTX_set1_param(ctx, vpm);
if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) {
ERR_print_errors(bio_err);
goto end;
}
if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
crls, crl_download)) {
BIO_printf(bio_err, "Error loading store locations\n");
ERR_print_errors(bio_err);
goto end;
}
#ifndef OPENSSL_NO_ENGINE
if (ssl_client_engine) {
if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
BIO_puts(bio_err, "Error setting client auth engine\n");
ERR_print_errors(bio_err);
ENGINE_free(ssl_client_engine);
goto end;
}
ENGINE_free(ssl_client_engine);
}
#endif
#ifndef OPENSSL_NO_PSK
# ifdef OPENSSL_NO_JPAKE
if (psk_key != NULL)
# else
if (psk_key != NULL || jpake_secret)
# endif
{
if (c_debug)
BIO_printf(bio_c_out,
"PSK key given or JPAKE in use, setting client callback\n");
SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
}
#endif
#ifndef OPENSSL_NO_SRTP
if (srtp_profiles != NULL)
SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
#endif
if (exc)
ssl_ctx_set_excert(ctx, exc);
#if !defined(OPENSSL_NO_TLSEXT)
# if !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.data)
SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
# endif
if (alpn_in) {
unsigned short alpn_len;
unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
if (alpn == NULL) {
BIO_printf(bio_err, "Error parsing -alpn argument\n");
goto end;
}
SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
OPENSSL_free(alpn);
}
#endif
#ifndef OPENSSL_NO_TLSEXT
for (i = 0; i < serverinfo_types_count; i++) {
SSL_CTX_add_client_custom_ext(ctx,
serverinfo_types[i],
NULL, NULL, NULL,
serverinfo_cli_parse_cb, NULL);
}
#endif
if (state)
SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
#if 0
else
SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER"));
#endif
SSL_CTX_set_verify(ctx, verify, verify_callback);
if ((CAfile || CApath)
&& !SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) {
ERR_print_errors(bio_err);
}
if (!SSL_CTX_set_default_verify_paths(ctx)) {
ERR_print_errors(bio_err);
}
ssl_ctx_add_crls(ctx, crls, crl_download);
if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
goto end;
#ifndef OPENSSL_NO_TLSEXT
if (servername != NULL) {
tlsextcbp.biodebug = bio_err;
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
}
# ifndef OPENSSL_NO_SRP
if (srp_arg.srplogin) {
if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
BIO_printf(bio_err, "Unable to set SRP username\n");
goto end;
}
srp_arg.msg = c_msg;
srp_arg.debug = c_debug;
SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
if (c_msg || c_debug || srp_arg.amp == 0)
SSL_CTX_set_srp_verify_param_callback(ctx,
ssl_srp_verify_param_cb);
}
# endif
#endif
con = SSL_new(ctx);
if (sess_in) {
SSL_SESSION *sess;
BIO *stmp = BIO_new_file(sess_in, "r");
if (!stmp) {
BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
ERR_print_errors(bio_err);
goto end;
}
sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
BIO_free(stmp);
if (!sess) {
BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
ERR_print_errors(bio_err);
goto end;
}
SSL_set_session(con, sess);
SSL_SESSION_free(sess);
}
if (fallback_scsv)
SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
#ifndef OPENSSL_NO_TLSEXT
if (servername != NULL) {
if (!SSL_set_tlsext_host_name(con, servername)) {
BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
ERR_print_errors(bio_err);
goto end;
}
}
#endif
#ifndef OPENSSL_NO_KRB5
if (con && (kctx = kssl_ctx_new()) != NULL) {
SSL_set0_kssl_ctx(con, kctx);
kssl_ctx_setstring(kctx, KSSL_SERVER, host);
}
#endif /* OPENSSL_NO_KRB5 */
/* SSL_set_cipher_list(con,"RC4-MD5"); */
#if 0
# ifdef TLSEXT_TYPE_opaque_prf_input
SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
# endif
#endif
re_start:
if (init_client(&s, host, port, socket_type) == 0) {
BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
SHUTDOWN(s);
goto end;
}
BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
#ifdef FIONBIO
if (c_nbio) {
unsigned long l = 1;
BIO_printf(bio_c_out, "turning on non blocking io\n");
if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
ERR_print_errors(bio_err);
goto end;
}
}
#endif
if (c_Pause & 0x01)
SSL_set_debug(con, 1);
if (socket_type == SOCK_DGRAM) {
sbio = BIO_new_dgram(s, BIO_NOCLOSE);
if (getsockname(s, &peer, (void *)&peerlen) < 0) {
BIO_printf(bio_err, "getsockname:errno=%d\n",
get_last_socket_error());
SHUTDOWN(s);
goto end;
}
(void)BIO_ctrl_set_connected(sbio, 1, &peer);
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));
BIO_free(sbio);
goto shut;
}
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");
BIO_free(sbio);
goto shut;
}
} else
/* want to do MTU discovery */
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
} else
sbio = BIO_new_socket(s, BIO_NOCLOSE);
if (nbio_test) {
BIO *test;
test = BIO_new(BIO_f_nbio_test());
sbio = BIO_push(test, sbio);
}
if (c_debug) {
SSL_set_debug(con, 1);
BIO_set_callback(sbio, bio_dump_callback);
BIO_set_callback_arg(sbio, (char *)bio_c_out);
}
if (c_msg) {
#ifndef OPENSSL_NO_SSL_TRACE
if (c_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_c_msg ? bio_c_msg : bio_c_out);
}
#ifndef OPENSSL_NO_TLSEXT
if (c_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_c_out);
}
if (c_status_req) {
SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
# if 0
{
STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
OCSP_RESPID *id = OCSP_RESPID_new();
id->value.byKey = ASN1_OCTET_STRING_new();
id->type = V_OCSP_RESPID_KEY;
ASN1_STRING_set(id->value.byKey, "Hello World", -1);
sk_OCSP_RESPID_push(ids, id);
SSL_set_tlsext_status_ids(con, ids);
}
# endif
}
#endif
#ifndef OPENSSL_NO_JPAKE
if (jpake_secret)
jpake_client_auth(bio_c_out, sbio, jpake_secret);
#endif
SSL_set_bio(con, sbio, sbio);
SSL_set_connect_state(con);
/* ok, lets connect */
width = SSL_get_fd(con) + 1;
read_tty = 1;
write_tty = 0;
tty_on = 0;
read_ssl = 1;
write_ssl = 1;
cbuf_len = 0;
cbuf_off = 0;
sbuf_len = 0;
sbuf_off = 0;
/* This is an ugly hack that does a lot of assumptions */
/*
* We do have to handle multi-line responses which may come in a single
* packet or not. We therefore have to use BIO_gets() which does need a
* buffering BIO. So during the initial chitchat we do push a buffering
* BIO into the chain that is removed again later on to not disturb the
* rest of the s_client operation.
*/
if (starttls_proto == PROTO_SMTP) {
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from SMTP */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
/* STARTTLS command requires EHLO... */
BIO_printf(fbio, "EHLO openssl.client.net\r\n");
(void)BIO_flush(fbio);
/* wait for multi-line response to end EHLO SMTP response */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "STARTTLS"))
foundit = 1;
}
while (mbuf_len > 3 && mbuf[3] == '-');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found starttls in server response,"
" try anyway...\n");
BIO_printf(sbio, "STARTTLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_POP3) {
BIO_read(sbio, mbuf, BUFSIZZ);
BIO_printf(sbio, "STLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_IMAP) {
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
BIO_gets(fbio, mbuf, BUFSIZZ);
/* STARTTLS command requires CAPABILITY... */
BIO_printf(fbio, ". CAPABILITY\r\n");
(void)BIO_flush(fbio);
/* wait for multi-line CAPABILITY response */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "STARTTLS"))
foundit = 1;
}
while (mbuf_len > 3 && mbuf[0] != '.');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found STARTTLS in server response,"
" try anyway...\n");
BIO_printf(sbio, ". STARTTLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_FTP) {
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from FTP */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
BIO_printf(sbio, "AUTH TLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
}
if (starttls_proto == PROTO_XMPP) {
int seen = 0;
BIO_printf(sbio, "<stream:stream "
"xmlns:stream='http://etherx.jabber.org/streams' "
"xmlns='jabber:client' to='%s' version='1.0'>", host);
seen = BIO_read(sbio, mbuf, BUFSIZZ);
mbuf[seen] = 0;
while (!strstr
(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) {
if (strstr(mbuf, "/stream:features>"))
goto shut;
seen = BIO_read(sbio, mbuf, BUFSIZZ);
mbuf[seen] = 0;
}
BIO_printf(sbio,
"<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
seen = BIO_read(sbio, sbuf, BUFSIZZ);
sbuf[seen] = 0;
if (!strstr(sbuf, "<proceed"))
goto shut;
mbuf[0] = 0;
}
for (;;) {
FD_ZERO(&readfds);
FD_ZERO(&writefds);
if ((SSL_version(con) == DTLS1_VERSION) &&
DTLSv1_get_timeout(con, &timeout))
timeoutp = &timeout;
else
timeoutp = NULL;
if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
in_init = 1;
tty_on = 0;
} else {
tty_on = 1;
if (in_init) {
in_init = 0;
#if 0 /* This test doesn't really work as intended
* (needs to be fixed) */
# ifndef OPENSSL_NO_TLSEXT
if (servername != NULL && !SSL_session_reused(con)) {
BIO_printf(bio_c_out,
"Server did %sacknowledge servername extension.\n",
tlsextcbp.ack ? "" : "not ");
}
# endif
#endif
if (sess_out) {
BIO *stmp = BIO_new_file(sess_out, "w");
if (stmp) {
PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
BIO_free(stmp);
} else
BIO_printf(bio_err, "Error writing session file %s\n",
sess_out);
}
if (c_brief) {
BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
print_ssl_summary(bio_err, con);
}
print_stuff(bio_c_out, con, full_log);
if (full_log > 0)
full_log--;
if (starttls_proto) {
BIO_printf(bio_err, "%s", mbuf);
/* We don't need to know any more */
starttls_proto = PROTO_OFF;
}
if (reconnect) {
reconnect--;
BIO_printf(bio_c_out,
"drop connection and then reconnect\n");
SSL_shutdown(con);
SSL_set_connect_state(con);
SHUTDOWN(SSL_get_fd(con));
goto re_start;
}
}
}
ssl_pending = read_ssl && SSL_pending(con);
if (!ssl_pending) {
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
if (tty_on) {
if (read_tty)
openssl_fdset(fileno(stdin), &readfds);
if (write_tty)
openssl_fdset(fileno(stdout), &writefds);
}
if (read_ssl)
openssl_fdset(SSL_get_fd(con), &readfds);
if (write_ssl)
openssl_fdset(SSL_get_fd(con), &writefds);
#else
if (!tty_on || !write_tty) {
if (read_ssl)
openssl_fdset(SSL_get_fd(con), &readfds);
if (write_ssl)
openssl_fdset(SSL_get_fd(con), &writefds);
}
#endif
/*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
/*
* 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 Windows/DOS we make the assumption that we can always
* write to the tty: therefore if we need to write to the tty we
* just fall through. Otherwise we timeout the select every
* second and see if there are any keypresses. Note: this is a
* hack, in a proper Windows application we wouldn't do this.
*/
i = 0;
if (!write_tty) {
if (read_tty) {
tv.tv_sec = 1;
tv.tv_usec = 0;
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, &tv);
# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
if (!i && (!_kbhit() || !read_tty))
continue;
# else
if (!i && (!((_kbhit())
|| (WAIT_OBJECT_0 ==
WaitForSingleObject(GetStdHandle
(STD_INPUT_HANDLE),
0)))
|| !read_tty))
continue;
# endif
} else
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, timeoutp);
}
#elif defined(OPENSSL_SYS_NETWARE)
if (!write_tty) {
if (read_tty) {
tv.tv_sec = 1;
tv.tv_usec = 0;
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, &tv);
} else
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, timeoutp);
}
#elif defined(OPENSSL_SYS_BEOS_R5)
/* Under BeOS-R5 the situation is similar to DOS */
i = 0;
stdin_set = 0;
(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
if (!write_tty) {
if (read_tty) {
tv.tv_sec = 1;
tv.tv_usec = 0;
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, &tv);
if (read(fileno(stdin), sbuf, 0) >= 0)
stdin_set = 1;
if (!i && (stdin_set != 1 || !read_tty))
continue;
} else
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, timeoutp);
}
(void)fcntl(fileno(stdin), F_SETFL, 0);
#else
i = select(width, (void *)&readfds, (void *)&writefds,
NULL, timeoutp);
#endif
if (i < 0) {
BIO_printf(bio_err, "bad select %d\n",
get_last_socket_error());
goto shut;
/* goto end; */
}
}
if ((SSL_version(con) == DTLS1_VERSION)
&& DTLSv1_handle_timeout(con) > 0) {
BIO_printf(bio_err, "TIMEOUT occured\n");
}
if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
switch (SSL_get_error(con, k)) {
case SSL_ERROR_NONE:
cbuf_off += k;
cbuf_len -= k;
if (k <= 0)
goto end;
/* we have done a write(con,NULL,0); */
if (cbuf_len <= 0) {
read_tty = 1;
write_ssl = 0;
} else { /* if (cbuf_len > 0) */
read_tty = 0;
write_ssl = 1;
}
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out, "write W BLOCK\n");
write_ssl = 1;
read_tty = 0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out, "write R BLOCK\n");
write_tty = 0;
read_ssl = 1;
write_ssl = 0;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out, "write X BLOCK\n");
break;
case SSL_ERROR_ZERO_RETURN:
if (cbuf_len != 0) {
BIO_printf(bio_c_out, "shutdown\n");
ret = 0;
goto shut;
} else {
read_tty = 1;
write_ssl = 0;
break;
}
case SSL_ERROR_SYSCALL:
if ((k != 0) || (cbuf_len != 0)) {
BIO_printf(bio_err, "write:errno=%d\n",
get_last_socket_error());
goto shut;
} else {
read_tty = 1;
write_ssl = 0;
}
break;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
}
}
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
/* Assume Windows/DOS/BeOS can always write */
else if (!ssl_pending && write_tty)
#else
else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
#endif
{
#ifdef CHARSET_EBCDIC
ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
#endif
i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
if (i <= 0) {
BIO_printf(bio_c_out, "DONE\n");
ret = 0;
goto shut;
/* goto end; */
}
sbuf_len -= i;;
sbuf_off += i;
if (sbuf_len <= 0) {
read_ssl = 1;
write_tty = 0;
}
} else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
#ifdef RENEG
{
static int iiii;
if (++iiii == 52) {
SSL_renegotiate(con);
iiii = 0;
}
}
#endif
#if 1
k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
#else
/* Demo for pending and peek :-) */
k = SSL_read(con, sbuf, 16);
{
char zbuf[10240];
printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con),
SSL_peek(con, zbuf, 10240));
}
#endif
switch (SSL_get_error(con, k)) {
case SSL_ERROR_NONE:
if (k <= 0)
goto end;
sbuf_off = 0;
sbuf_len = k;
read_ssl = 0;
write_tty = 1;
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out, "read W BLOCK\n");
write_ssl = 1;
read_tty = 0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out, "read R BLOCK\n");
write_tty = 0;
read_ssl = 1;
if ((read_tty == 0) && (write_ssl == 0))
write_ssl = 1;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out, "read X BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
ret = get_last_socket_error();
if (c_brief)
BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
else
BIO_printf(bio_err, "read:errno=%d\n", ret);
goto shut;
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_c_out, "closed\n");
ret = 0;
goto shut;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
/* break; */
}
}
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
else if (_kbhit())
# else
else if ((_kbhit())
|| (WAIT_OBJECT_0 ==
WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
# endif
#elif defined (OPENSSL_SYS_NETWARE)
else if (_kbhit())
#elif defined(OPENSSL_SYS_BEOS_R5)
else if (stdin_set)
#else
else if (FD_ISSET(fileno(stdin), &readfds))
#endif
{
if (crlf) {
int j, lf_num;
i = raw_read_stdin(cbuf, BUFSIZZ / 2);
lf_num = 0;
/* both loops are skipped when i <= 0 */
for (j = 0; j < i; j++)
if (cbuf[j] == '\n')
lf_num++;
for (j = i - 1; j >= 0; j--) {
cbuf[j + lf_num] = cbuf[j];
if (cbuf[j] == '\n') {
lf_num--;
i++;
cbuf[j + lf_num] = '\r';
}
}
assert(lf_num == 0);
} else
i = raw_read_stdin(cbuf, BUFSIZZ);
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
BIO_printf(bio_err, "DONE\n");
ret = 0;
goto shut;
}
if ((!c_ign_eof) && (cbuf[0] == 'R')) {
BIO_printf(bio_err, "RENEGOTIATING\n");
SSL_renegotiate(con);
cbuf_len = 0;
}
#ifndef OPENSSL_NO_HEARTBEATS
else if ((!c_ign_eof) && (cbuf[0] == 'B')) {
BIO_printf(bio_err, "HEARTBEATING\n");
SSL_heartbeat(con);
cbuf_len = 0;
}
#endif
else {
cbuf_len = i;
cbuf_off = 0;
#ifdef CHARSET_EBCDIC
ebcdic2ascii(cbuf, cbuf, i);
#endif
}
write_ssl = 1;
read_tty = 0;
}
}
ret = 0;
shut:
if (in_init)
print_stuff(bio_c_out, con, full_log);
SSL_shutdown(con);
SHUTDOWN(SSL_get_fd(con));
end:
if (con != NULL) {
if (prexit != 0)
print_stuff(bio_c_out, con, 1);
SSL_free(con);
}
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.data)
OPENSSL_free(next_proto.data);
#endif
if (ctx != NULL)
SSL_CTX_free(ctx);
if (cert)
X509_free(cert);
if (crls)
sk_X509_CRL_pop_free(crls, X509_CRL_free);
if (key)
EVP_PKEY_free(key);
if (chain)
sk_X509_pop_free(chain, X509_free);
if (pass)
OPENSSL_free(pass);
#ifndef OPENSSL_NO_SRP
OPENSSL_free(srp_arg.srppassin);
#endif
if (vpm)
X509_VERIFY_PARAM_free(vpm);
ssl_excert_free(exc);
if (ssl_args)
sk_OPENSSL_STRING_free(ssl_args);
if (cctx)
SSL_CONF_CTX_free(cctx);
#ifndef OPENSSL_NO_JPAKE
if (jpake_secret && psk_key)
OPENSSL_free(psk_key);
#endif
if (cbuf != NULL) {
OPENSSL_cleanse(cbuf, BUFSIZZ);
OPENSSL_free(cbuf);
}
if (sbuf != NULL) {
OPENSSL_cleanse(sbuf, BUFSIZZ);
OPENSSL_free(sbuf);
}
if (mbuf != NULL) {
OPENSSL_cleanse(mbuf, BUFSIZZ);
OPENSSL_free(mbuf);
}
if (bio_c_out != NULL) {
BIO_free(bio_c_out);
bio_c_out = NULL;
}
if (bio_c_msg != NULL) {
BIO_free(bio_c_msg);
bio_c_msg = NULL;
}
apps_shutdown();
OPENSSL_EXIT(ret);
}
static void print_stuff(BIO *bio, SSL *s, int full)
{
X509 *peer = NULL;
char *p;
static const char *space = " ";
char buf[BUFSIZ];
STACK_OF(X509) *sk;
STACK_OF(X509_NAME) *sk2;
const SSL_CIPHER *c;
X509_NAME *xn;
int j, i;
#ifndef OPENSSL_NO_COMP
const COMP_METHOD *comp, *expansion;
#endif
unsigned char *exportedkeymat;
if (full) {
int got_a_chain = 0;
sk = SSL_get_peer_cert_chain(s);
if (sk != NULL) {
got_a_chain = 1; /* we don't have it for SSL2 (yet) */
BIO_printf(bio, "---\nCertificate chain\n");
for (i = 0; i < sk_X509_num(sk); i++) {
X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
buf, sizeof buf);
BIO_printf(bio, "%2d s:%s\n", i, buf);
X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
buf, sizeof buf);
BIO_printf(bio, " i:%s\n", buf);
if (c_showcerts)
PEM_write_bio_X509(bio, sk_X509_value(sk, i));
}
}
BIO_printf(bio, "---\n");
peer = SSL_get_peer_certificate(s);
if (peer != NULL) {
BIO_printf(bio, "Server certificate\n");
/* Redundant if we showed the whole chain */
if (!(c_showcerts && got_a_chain))
PEM_write_bio_X509(bio, peer);
X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
BIO_printf(bio, "subject=%s\n", buf);
X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
BIO_printf(bio, "issuer=%s\n", buf);
} else
BIO_printf(bio, "no peer certificate available\n");
sk2 = SSL_get_client_CA_list(s);
if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
xn = sk_X509_NAME_value(sk2, i);
X509_NAME_oneline(xn, buf, sizeof(buf));
BIO_write(bio, buf, strlen(buf));
BIO_write(bio, "\n", 1);
}
} else {
BIO_printf(bio, "---\nNo client certificate CA names sent\n");
}
p = SSL_get_shared_ciphers(s, buf, sizeof buf);
if (p != NULL) {
/*
* This works only for SSL 2. In later protocol versions, the
* client does not know what other ciphers (in addition to the
* one to be used in the current connection) the server supports.
*/
BIO_printf(bio,
"---\nCiphers common between both SSL endpoints:\n");
j = i = 0;
while (*p) {
if (*p == ':') {
BIO_write(bio, space, 15 - j % 25);
i++;
j = 0;
BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
} else {
BIO_write(bio, p, 1);
j++;
}
p++;
}
BIO_write(bio, "\n", 1);
}
ssl_print_sigalgs(bio, s);
ssl_print_tmp_key(bio, s);
BIO_printf(bio,
"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
BIO_number_read(SSL_get_rbio(s)),
BIO_number_written(SSL_get_wbio(s)));
}
BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
c = SSL_get_current_cipher(s);
BIO_printf(bio, "%s, Cipher is %s\n",
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
if (peer != NULL) {
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(peer);
BIO_printf(bio, "Server public key is %d bit\n",
EVP_PKEY_bits(pktmp));
EVP_PKEY_free(pktmp);
}
BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
#ifndef OPENSSL_NO_COMP
comp = SSL_get_current_compression(s);
expansion = SSL_get_current_expansion(s);
BIO_printf(bio, "Compression: %s\n",
comp ? SSL_COMP_get_name(comp) : "NONE");
BIO_printf(bio, "Expansion: %s\n",
expansion ? SSL_COMP_get_name(expansion) : "NONE");
#endif
#ifdef SSL_DEBUG
{
/* Print out local port of connection: useful for debugging */
int sock;
struct sockaddr_in ladd;
socklen_t ladd_size = sizeof(ladd);
sock = SSL_get_fd(s);
getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
}
#endif
#if !defined(OPENSSL_NO_TLSEXT)
# if !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.status != -1) {
const unsigned char *proto;
unsigned int proto_len;
SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
BIO_write(bio, proto, proto_len);
BIO_write(bio, "\n", 1);
}
# endif
{
const unsigned char *proto;
unsigned int proto_len;
SSL_get0_alpn_selected(s, &proto, &proto_len);
if (proto_len > 0) {
BIO_printf(bio, "ALPN protocol: ");
BIO_write(bio, proto, proto_len);
BIO_write(bio, "\n", 1);
} else
BIO_printf(bio, "No ALPN negotiated\n");
}
#endif
#ifndef OPENSSL_NO_SRTP
{
SRTP_PROTECTION_PROFILE *srtp_profile =
SSL_get_selected_srtp_profile(s);
if (srtp_profile)
BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
srtp_profile->name);
}
#endif
SSL_SESSION_print(bio, SSL_get_session(s));
if (keymatexportlabel != NULL) {
BIO_printf(bio, "Keying material exporter:\n");
BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
exportedkeymat = OPENSSL_malloc(keymatexportlen);
if (exportedkeymat != NULL) {
if (!SSL_export_keying_material(s, exportedkeymat,
keymatexportlen,
keymatexportlabel,
strlen(keymatexportlabel),
NULL, 0, 0)) {
BIO_printf(bio, " Error\n");
} else {
BIO_printf(bio, " Keying material: ");
for (i = 0; i < keymatexportlen; i++)
BIO_printf(bio, "%02X", exportedkeymat[i]);
BIO_printf(bio, "\n");
}
OPENSSL_free(exportedkeymat);
}
}
BIO_printf(bio, "---\n");
if (peer != NULL)
X509_free(peer);
/* flush, or debugging output gets mixed with http response */
(void)BIO_flush(bio);
}
#ifndef OPENSSL_NO_TLSEXT
static int ocsp_resp_cb(SSL *s, void *arg)
{
const unsigned char *p;
int len;
OCSP_RESPONSE *rsp;
len = SSL_get_tlsext_status_ocsp_resp(s, &p);
BIO_puts(arg, "OCSP response: ");
if (!p) {
BIO_puts(arg, "no response sent\n");
return 1;
}
rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
if (!rsp) {
BIO_puts(arg, "response parse error\n");
BIO_dump_indent(arg, (char *)p, len, 4);
return 0;
}
BIO_puts(arg, "\n======================================\n");
OCSP_RESPONSE_print(arg, rsp, 0);
BIO_puts(arg, "======================================\n");
OCSP_RESPONSE_free(rsp);
return 1;
}
#endif
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