649 lines
20 KiB
C
649 lines
20 KiB
C
/*
|
|
* SSL client with certificate authentication
|
|
*
|
|
* Copyright (C) 2006-2011, Brainspark B.V.
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef _CRT_SECURE_NO_DEPRECATE
|
|
#define _CRT_SECURE_NO_DEPRECATE 1
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "polarssl/config.h"
|
|
|
|
#include "polarssl/net.h"
|
|
#include "polarssl/ssl.h"
|
|
#include "polarssl/entropy.h"
|
|
#include "polarssl/ctr_drbg.h"
|
|
#include "polarssl/certs.h"
|
|
#include "polarssl/x509.h"
|
|
#include "polarssl/error.h"
|
|
|
|
#define DFL_SERVER_NAME "localhost"
|
|
#define DFL_SERVER_PORT 4433
|
|
#define DFL_REQUEST_PAGE "/"
|
|
#define DFL_DEBUG_LEVEL 0
|
|
#define DFL_CA_FILE ""
|
|
#define DFL_CA_PATH ""
|
|
#define DFL_CRT_FILE ""
|
|
#define DFL_KEY_FILE ""
|
|
#define DFL_FORCE_CIPHER 0
|
|
#define DFL_RENEGOTIATION SSL_RENEGOTIATION_ENABLED
|
|
#define DFL_ALLOW_LEGACY SSL_LEGACY_NO_RENEGOTIATION
|
|
#define DFL_MIN_VERSION -1
|
|
#define DFL_MAX_VERSION -1
|
|
#define DFL_AUTH_MODE SSL_VERIFY_OPTIONAL
|
|
|
|
#define GET_REQUEST "GET %s HTTP/1.0\r\n\r\n"
|
|
|
|
/*
|
|
* global options
|
|
*/
|
|
struct options
|
|
{
|
|
char *server_name; /* hostname of the server (client only) */
|
|
int server_port; /* port on which the ssl service runs */
|
|
int debug_level; /* level of debugging */
|
|
char *request_page; /* page on server to request */
|
|
char *ca_file; /* the file with the CA certificate(s) */
|
|
char *ca_path; /* the path with the CA certificate(s) reside */
|
|
char *crt_file; /* the file with the client certificate */
|
|
char *key_file; /* the file with the client key */
|
|
int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
|
|
int renegotiation; /* enable / disable renegotiation */
|
|
int allow_legacy; /* allow legacy renegotiation */
|
|
int min_version; /* minimum protocol version accepted */
|
|
int max_version; /* maximum protocol version accepted */
|
|
int auth_mode; /* verify mode for connection */
|
|
} opt;
|
|
|
|
void my_debug( void *ctx, int level, const char *str )
|
|
{
|
|
if( level < opt.debug_level )
|
|
{
|
|
fprintf( (FILE *) ctx, "%s", str );
|
|
fflush( (FILE *) ctx );
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Enabled if debug_level > 1 in code below
|
|
*/
|
|
int my_verify( void *data, x509_cert *crt, int depth, int *flags )
|
|
{
|
|
char buf[1024];
|
|
((void) data);
|
|
|
|
printf( "\nVerify requested for (Depth %d):\n", depth );
|
|
x509parse_cert_info( buf, sizeof( buf ) - 1, "", crt );
|
|
printf( "%s", buf );
|
|
|
|
if( ( (*flags) & BADCERT_EXPIRED ) != 0 )
|
|
printf( " ! server certificate has expired\n" );
|
|
|
|
if( ( (*flags) & BADCERT_REVOKED ) != 0 )
|
|
printf( " ! server certificate has been revoked\n" );
|
|
|
|
if( ( (*flags) & BADCERT_CN_MISMATCH ) != 0 )
|
|
printf( " ! CN mismatch\n" );
|
|
|
|
if( ( (*flags) & BADCERT_NOT_TRUSTED ) != 0 )
|
|
printf( " ! self-signed or not signed by a trusted CA\n" );
|
|
|
|
if( ( (*flags) & BADCRL_NOT_TRUSTED ) != 0 )
|
|
printf( " ! CRL not trusted\n" );
|
|
|
|
if( ( (*flags) & BADCRL_EXPIRED ) != 0 )
|
|
printf( " ! CRL expired\n" );
|
|
|
|
if( ( (*flags) & BADCERT_OTHER ) != 0 )
|
|
printf( " ! other (unknown) flag\n" );
|
|
|
|
if ( ( *flags ) == 0 )
|
|
printf( " This certificate has no flags\n" );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
#if defined(POLARSSL_FS_IO)
|
|
#define USAGE_IO \
|
|
" ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
|
|
" default: \"\" (pre-loaded)\n" \
|
|
" ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
|
|
" default: \"\" (pre-loaded) (overrides ca_file)\n" \
|
|
" crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
|
|
" default: \"\" (pre-loaded)\n" \
|
|
" key_file=%%s default: \"\" (pre-loaded)\n"
|
|
#else
|
|
#define USAGE_IO \
|
|
" No file operations available (POLARSSL_FS_IO not defined)\n"
|
|
#endif /* POLARSSL_FS_IO */
|
|
|
|
#define USAGE \
|
|
"\n usage: ssl_client2 param=<>...\n" \
|
|
"\n acceptable parameters:\n" \
|
|
" server_name=%%s default: localhost\n" \
|
|
" server_port=%%d default: 4433\n" \
|
|
" debug_level=%%d default: 0 (disabled)\n" \
|
|
USAGE_IO \
|
|
" request_page=%%s default: \".\"\n" \
|
|
" renegotiation=%%d default: 1 (enabled)\n" \
|
|
" allow_legacy=%%d default: 0 (disabled)\n" \
|
|
"\n" \
|
|
" min_version=%%s default: \"\" (ssl3)\n" \
|
|
" max_version=%%s default: \"\" (tls1_2)\n" \
|
|
" force_version=%%s default: \"\" (none)\n" \
|
|
" options: ssl3, tls1, tls1_1, tls1_2\n" \
|
|
" auth_mode=%%s default: \"optional\"\n" \
|
|
" options: none, optional, required\n" \
|
|
"\n" \
|
|
" force_ciphersuite=<name> default: all enabled\n"\
|
|
" acceptable ciphersuite names:\n"
|
|
|
|
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) || \
|
|
!defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
|
|
!defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) || \
|
|
!defined(POLARSSL_CTR_DRBG_C)
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
((void) argc);
|
|
((void) argv);
|
|
|
|
printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
|
|
"POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
|
|
"POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
|
|
"POLARSSL_CTR_DRBG_C not defined.\n");
|
|
return( 0 );
|
|
}
|
|
#else
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
int ret = 0, len, server_fd;
|
|
unsigned char buf[1024];
|
|
char *pers = "ssl_client2";
|
|
|
|
entropy_context entropy;
|
|
ctr_drbg_context ctr_drbg;
|
|
ssl_context ssl;
|
|
x509_cert cacert;
|
|
x509_cert clicert;
|
|
rsa_context rsa;
|
|
int i;
|
|
char *p, *q;
|
|
const int *list;
|
|
|
|
/*
|
|
* Make sure memory references are valid.
|
|
*/
|
|
server_fd = 0;
|
|
memset( &ssl, 0, sizeof( ssl_context ) );
|
|
memset( &cacert, 0, sizeof( x509_cert ) );
|
|
memset( &clicert, 0, sizeof( x509_cert ) );
|
|
memset( &rsa, 0, sizeof( rsa_context ) );
|
|
|
|
if( argc == 0 )
|
|
{
|
|
usage:
|
|
if( ret == 0 )
|
|
ret = 1;
|
|
|
|
printf( USAGE );
|
|
|
|
list = ssl_list_ciphersuites();
|
|
while( *list )
|
|
{
|
|
printf(" %s\n", ssl_get_ciphersuite_name( *list ) );
|
|
list++;
|
|
}
|
|
printf("\n");
|
|
goto exit;
|
|
}
|
|
|
|
opt.server_name = DFL_SERVER_NAME;
|
|
opt.server_port = DFL_SERVER_PORT;
|
|
opt.debug_level = DFL_DEBUG_LEVEL;
|
|
opt.request_page = DFL_REQUEST_PAGE;
|
|
opt.ca_file = DFL_CA_FILE;
|
|
opt.ca_path = DFL_CA_PATH;
|
|
opt.crt_file = DFL_CRT_FILE;
|
|
opt.key_file = DFL_KEY_FILE;
|
|
opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
|
|
opt.renegotiation = DFL_RENEGOTIATION;
|
|
opt.allow_legacy = DFL_ALLOW_LEGACY;
|
|
opt.min_version = DFL_MIN_VERSION;
|
|
opt.max_version = DFL_MAX_VERSION;
|
|
opt.auth_mode = DFL_AUTH_MODE;
|
|
|
|
for( i = 1; i < argc; i++ )
|
|
{
|
|
p = argv[i];
|
|
if( ( q = strchr( p, '=' ) ) == NULL )
|
|
goto usage;
|
|
*q++ = '\0';
|
|
|
|
if( strcmp( p, "server_name" ) == 0 )
|
|
opt.server_name = q;
|
|
else if( strcmp( p, "server_port" ) == 0 )
|
|
{
|
|
opt.server_port = atoi( q );
|
|
if( opt.server_port < 1 || opt.server_port > 65535 )
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "debug_level" ) == 0 )
|
|
{
|
|
opt.debug_level = atoi( q );
|
|
if( opt.debug_level < 0 || opt.debug_level > 65535 )
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "request_page" ) == 0 )
|
|
opt.request_page = q;
|
|
else if( strcmp( p, "ca_file" ) == 0 )
|
|
opt.ca_file = q;
|
|
else if( strcmp( p, "ca_path" ) == 0 )
|
|
opt.ca_path = q;
|
|
else if( strcmp( p, "crt_file" ) == 0 )
|
|
opt.crt_file = q;
|
|
else if( strcmp( p, "key_file" ) == 0 )
|
|
opt.key_file = q;
|
|
else if( strcmp( p, "force_ciphersuite" ) == 0 )
|
|
{
|
|
opt.force_ciphersuite[0] = -1;
|
|
|
|
opt.force_ciphersuite[0] = ssl_get_ciphersuite_id( q );
|
|
|
|
if( opt.force_ciphersuite[0] <= 0 )
|
|
{
|
|
ret = 2;
|
|
goto usage;
|
|
}
|
|
opt.force_ciphersuite[1] = 0;
|
|
}
|
|
else if( strcmp( p, "renegotiation" ) == 0 )
|
|
{
|
|
opt.renegotiation = (atoi( q )) ? SSL_RENEGOTIATION_ENABLED :
|
|
SSL_RENEGOTIATION_DISABLED;
|
|
}
|
|
else if( strcmp( p, "allow_legacy" ) == 0 )
|
|
{
|
|
opt.allow_legacy = atoi( q );
|
|
if( opt.allow_legacy < 0 || opt.allow_legacy > 1 )
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "min_version" ) == 0 )
|
|
{
|
|
if( strcmp( q, "ssl3" ) == 0 )
|
|
opt.min_version = SSL_MINOR_VERSION_0;
|
|
else if( strcmp( q, "tls1" ) == 0 )
|
|
opt.min_version = SSL_MINOR_VERSION_1;
|
|
else if( strcmp( q, "tls1_1" ) == 0 )
|
|
opt.min_version = SSL_MINOR_VERSION_2;
|
|
else if( strcmp( q, "tls1_2" ) == 0 )
|
|
opt.min_version = SSL_MINOR_VERSION_3;
|
|
else
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "max_version" ) == 0 )
|
|
{
|
|
if( strcmp( q, "ssl3" ) == 0 )
|
|
opt.max_version = SSL_MINOR_VERSION_0;
|
|
else if( strcmp( q, "tls1" ) == 0 )
|
|
opt.max_version = SSL_MINOR_VERSION_1;
|
|
else if( strcmp( q, "tls1_1" ) == 0 )
|
|
opt.max_version = SSL_MINOR_VERSION_2;
|
|
else if( strcmp( q, "tls1_2" ) == 0 )
|
|
opt.max_version = SSL_MINOR_VERSION_3;
|
|
else
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "force_version" ) == 0 )
|
|
{
|
|
if( strcmp( q, "ssl3" ) == 0 )
|
|
{
|
|
opt.min_version = SSL_MINOR_VERSION_0;
|
|
opt.max_version = SSL_MINOR_VERSION_0;
|
|
}
|
|
else if( strcmp( q, "tls1" ) == 0 )
|
|
{
|
|
opt.min_version = SSL_MINOR_VERSION_1;
|
|
opt.max_version = SSL_MINOR_VERSION_1;
|
|
}
|
|
else if( strcmp( q, "tls1_1" ) == 0 )
|
|
{
|
|
opt.min_version = SSL_MINOR_VERSION_2;
|
|
opt.max_version = SSL_MINOR_VERSION_2;
|
|
}
|
|
else if( strcmp( q, "tls1_2" ) == 0 )
|
|
{
|
|
opt.min_version = SSL_MINOR_VERSION_3;
|
|
opt.max_version = SSL_MINOR_VERSION_3;
|
|
}
|
|
else
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "auth_mode" ) == 0 )
|
|
{
|
|
if( strcmp( q, "none" ) == 0 )
|
|
opt.auth_mode = SSL_VERIFY_NONE;
|
|
else if( strcmp( q, "optional" ) == 0 )
|
|
opt.auth_mode = SSL_VERIFY_OPTIONAL;
|
|
else if( strcmp( q, "required" ) == 0 )
|
|
opt.auth_mode = SSL_VERIFY_REQUIRED;
|
|
else
|
|
goto usage;
|
|
}
|
|
else
|
|
goto usage;
|
|
}
|
|
|
|
/*
|
|
* 0. Initialize the RNG and the session data
|
|
*/
|
|
printf( "\n . Seeding the random number generator..." );
|
|
fflush( stdout );
|
|
|
|
entropy_init( &entropy );
|
|
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
|
|
(unsigned char *) pers, strlen( pers ) ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! ctr_drbg_init returned -0x%x\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
|
|
/*
|
|
* 1.1. Load the trusted CA
|
|
*/
|
|
printf( " . Loading the CA root certificate ..." );
|
|
fflush( stdout );
|
|
|
|
#if defined(POLARSSL_FS_IO)
|
|
if( strlen( opt.ca_path ) )
|
|
ret = x509parse_crtpath( &cacert, opt.ca_path );
|
|
else if( strlen( opt.ca_file ) )
|
|
ret = x509parse_crtfile( &cacert, opt.ca_file );
|
|
else
|
|
#endif
|
|
#if defined(POLARSSL_CERTS_C)
|
|
ret = x509parse_crt( &cacert, (unsigned char *) test_ca_crt,
|
|
strlen( test_ca_crt ) );
|
|
#else
|
|
{
|
|
ret = 1;
|
|
printf("POLARSSL_CERTS_C not defined.");
|
|
}
|
|
#endif
|
|
if( ret < 0 )
|
|
{
|
|
printf( " failed\n ! x509parse_crt returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok (%d skipped)\n", ret );
|
|
|
|
/*
|
|
* 1.2. Load own certificate and private key
|
|
*
|
|
* (can be skipped if client authentication is not required)
|
|
*/
|
|
printf( " . Loading the client cert. and key..." );
|
|
fflush( stdout );
|
|
|
|
#if defined(POLARSSL_FS_IO)
|
|
if( strlen( opt.crt_file ) )
|
|
ret = x509parse_crtfile( &clicert, opt.crt_file );
|
|
else
|
|
#endif
|
|
#if defined(POLARSSL_CERTS_C)
|
|
ret = x509parse_crt( &clicert, (unsigned char *) test_cli_crt,
|
|
strlen( test_cli_crt ) );
|
|
#else
|
|
{
|
|
ret = 1;
|
|
printf("POLARSSL_CERTS_C not defined.");
|
|
}
|
|
#endif
|
|
if( ret != 0 )
|
|
{
|
|
printf( " failed\n ! x509parse_crt returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
#if defined(POLARSSL_FS_IO)
|
|
if( strlen( opt.key_file ) )
|
|
ret = x509parse_keyfile( &rsa, opt.key_file, "" );
|
|
else
|
|
#endif
|
|
#if defined(POLARSSL_CERTS_C)
|
|
ret = x509parse_key( &rsa, (unsigned char *) test_cli_key,
|
|
strlen( test_cli_key ), NULL, 0 );
|
|
#else
|
|
{
|
|
ret = 1;
|
|
printf("POLARSSL_CERTS_C not defined.");
|
|
}
|
|
#endif
|
|
if( ret != 0 )
|
|
{
|
|
printf( " failed\n ! x509parse_key returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
|
|
/*
|
|
* 2. Start the connection
|
|
*/
|
|
printf( " . Connecting to tcp/%s/%-4d...", opt.server_name,
|
|
opt.server_port );
|
|
fflush( stdout );
|
|
|
|
if( ( ret = net_connect( &server_fd, opt.server_name,
|
|
opt.server_port ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! net_connect returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
|
|
/*
|
|
* 3. Setup stuff
|
|
*/
|
|
printf( " . Setting up the SSL/TLS structure..." );
|
|
fflush( stdout );
|
|
|
|
if( ( ret = ssl_init( &ssl ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! ssl_init returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
|
|
if( opt.debug_level > 0 )
|
|
ssl_set_verify( &ssl, my_verify, NULL );
|
|
|
|
ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
|
|
ssl_set_authmode( &ssl, opt.auth_mode );
|
|
|
|
ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
|
|
ssl_set_dbg( &ssl, my_debug, stdout );
|
|
ssl_set_bio( &ssl, net_recv, &server_fd,
|
|
net_send, &server_fd );
|
|
|
|
if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
|
|
ssl_set_ciphersuites( &ssl, opt.force_ciphersuite );
|
|
|
|
ssl_set_renegotiation( &ssl, opt.renegotiation );
|
|
ssl_legacy_renegotiation( &ssl, opt.allow_legacy );
|
|
|
|
ssl_set_ca_chain( &ssl, &cacert, NULL, opt.server_name );
|
|
ssl_set_own_cert( &ssl, &clicert, &rsa );
|
|
|
|
ssl_set_hostname( &ssl, opt.server_name );
|
|
|
|
if( opt.min_version != -1 )
|
|
ssl_set_min_version( &ssl, SSL_MAJOR_VERSION_3, opt.min_version );
|
|
if( opt.max_version != -1 )
|
|
ssl_set_max_version( &ssl, SSL_MAJOR_VERSION_3, opt.max_version );
|
|
|
|
/*
|
|
* 4. Handshake
|
|
*/
|
|
printf( " . Performing the SSL/TLS handshake..." );
|
|
fflush( stdout );
|
|
|
|
while( ( ret = ssl_handshake( &ssl ) ) != 0 )
|
|
{
|
|
if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
|
|
{
|
|
printf( " failed\n ! ssl_handshake returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
printf( " ok\n [ Ciphersuite is %s ]\n",
|
|
ssl_get_ciphersuite( &ssl ) );
|
|
|
|
/*
|
|
* 5. Verify the server certificate
|
|
*/
|
|
printf( " . Verifying peer X.509 certificate..." );
|
|
|
|
if( ( ret = ssl_get_verify_result( &ssl ) ) != 0 )
|
|
{
|
|
printf( " failed\n" );
|
|
|
|
if( ( ret & BADCERT_EXPIRED ) != 0 )
|
|
printf( " ! server certificate has expired\n" );
|
|
|
|
if( ( ret & BADCERT_REVOKED ) != 0 )
|
|
printf( " ! server certificate has been revoked\n" );
|
|
|
|
if( ( ret & BADCERT_CN_MISMATCH ) != 0 )
|
|
printf( " ! CN mismatch (expected CN=%s)\n", opt.server_name );
|
|
|
|
if( ( ret & BADCERT_NOT_TRUSTED ) != 0 )
|
|
printf( " ! self-signed or not signed by a trusted CA\n" );
|
|
|
|
printf( "\n" );
|
|
}
|
|
else
|
|
printf( " ok\n" );
|
|
|
|
printf( " . Peer certificate information ...\n" );
|
|
x509parse_cert_info( (char *) buf, sizeof( buf ) - 1, " ",
|
|
ssl_get_peer_cert( &ssl ) );
|
|
printf( "%s\n", buf );
|
|
|
|
/*
|
|
* 6. Write the GET request
|
|
*/
|
|
printf( " > Write to server:" );
|
|
fflush( stdout );
|
|
|
|
len = sprintf( (char *) buf, GET_REQUEST, opt.request_page );
|
|
|
|
while( ( ret = ssl_write( &ssl, buf, len ) ) <= 0 )
|
|
{
|
|
if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
|
|
{
|
|
printf( " failed\n ! ssl_write returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
len = ret;
|
|
printf( " %d bytes written\n\n%s", len, (char *) buf );
|
|
|
|
/*
|
|
* 7. Read the HTTP response
|
|
*/
|
|
printf( " < Read from server:" );
|
|
fflush( stdout );
|
|
|
|
do
|
|
{
|
|
len = sizeof( buf ) - 1;
|
|
memset( buf, 0, sizeof( buf ) );
|
|
ret = ssl_read( &ssl, buf, len );
|
|
|
|
if( ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE )
|
|
continue;
|
|
|
|
if( ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY )
|
|
break;
|
|
|
|
if( ret < 0 )
|
|
{
|
|
printf( "failed\n ! ssl_read returned -0x%x\n\n", -ret );
|
|
break;
|
|
}
|
|
|
|
if( ret == 0 )
|
|
{
|
|
printf("\n\nEOF\n\n");
|
|
break;
|
|
}
|
|
|
|
len = ret;
|
|
printf( " %d bytes read\n\n%s", len, (char *) buf );
|
|
}
|
|
while( 1 );
|
|
|
|
ssl_close_notify( &ssl );
|
|
|
|
exit:
|
|
|
|
#ifdef POLARSSL_ERROR_C
|
|
if( ret != 0 )
|
|
{
|
|
char error_buf[100];
|
|
error_strerror( ret, error_buf, 100 );
|
|
printf("Last error was: -0x%X - %s\n\n", -ret, error_buf );
|
|
}
|
|
#endif
|
|
|
|
if( server_fd )
|
|
net_close( server_fd );
|
|
x509_free( &clicert );
|
|
x509_free( &cacert );
|
|
rsa_free( &rsa );
|
|
ssl_free( &ssl );
|
|
|
|
memset( &ssl, 0, sizeof( ssl ) );
|
|
|
|
#if defined(_WIN32)
|
|
printf( " + Press Enter to exit this program.\n" );
|
|
fflush( stdout ); getchar();
|
|
#endif
|
|
|
|
return( ret );
|
|
}
|
|
#endif /* POLARSSL_BIGNUM_C && POLARSSL_ENTROPY_C && POLARSSL_SSL_TLS_C &&
|
|
POLARSSL_SSL_CLI_C && POLARSSL_NET_C && POLARSSL_RSA_C &&
|
|
POLARSSL_CTR_DRBG_C */
|