/programs/ssl/ssl_server2.c
C | 741 lines | 576 code | 97 blank | 68 comment | 133 complexity | e2ca2495404957a5b7cf475db91183fb MD5 | raw file
Possible License(s): GPL-2.0
- /*
- * SSL client with options
- *
- * Copyright (C) 2006-2012, 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
- #if defined(_WIN32)
- #include <windows.h>
- #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"
- #if defined(POLARSSL_SSL_CACHE_C)
- #include "polarssl/ssl_cache.h"
- #endif
- #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_AUTH_MODE SSL_VERIFY_OPTIONAL
- #define HTTP_RESPONSE \
- "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
- "<h2>PolarSSL Test Server</h2>\r\n" \
- "<p>Successful connection using: %s</p>\r\n"
- /*
- * global options
- */
- struct options
- {
- int server_port; /* port on which the ssl service runs */
- int debug_level; /* level of debugging */
- 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 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 );
- }
- }
- /*
- * Sorted by order of preference
- */
- int my_ciphersuites[] =
- {
- #if defined(POLARSSL_DHM_C)
- #if defined(POLARSSL_AES_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- #if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA4_C)
- TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
- #endif
- TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
- #if defined(POLARSSL_SHA2_C)
- TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
- #endif
- #if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C)
- TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
- #endif
- TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
- #endif
- #if defined(POLARSSL_CAMELLIA_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
- #if defined(POLARSSL_SHA2_C)
- TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
- #endif
- #if defined(POLARSSL_DES_C)
- TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
- #endif
- #endif
- #if defined(POLARSSL_AES_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_RSA_WITH_AES_256_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- #if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA4_C)
- TLS_RSA_WITH_AES_256_GCM_SHA384,
- #endif /* POLARSSL_SHA2_C */
- TLS_RSA_WITH_AES_256_CBC_SHA,
- #endif
- #if defined(POLARSSL_CAMELLIA_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- TLS_RSA_WITH_CAMELLIA_256_CBC_SHA,
- #endif
- #if defined(POLARSSL_AES_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_RSA_WITH_AES_128_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- #if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C)
- TLS_RSA_WITH_AES_128_GCM_SHA256,
- #endif /* POLARSSL_SHA2_C */
- TLS_RSA_WITH_AES_128_CBC_SHA,
- #endif
- #if defined(POLARSSL_CAMELLIA_C)
- #if defined(POLARSSL_SHA2_C)
- TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256,
- #endif /* POLARSSL_SHA2_C */
- TLS_RSA_WITH_CAMELLIA_128_CBC_SHA,
- #endif
- #if defined(POLARSSL_DES_C)
- TLS_RSA_WITH_3DES_EDE_CBC_SHA,
- #endif
- #if defined(POLARSSL_ARC4_C)
- TLS_RSA_WITH_RC4_128_SHA,
- TLS_RSA_WITH_RC4_128_MD5,
- #endif
- #if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES)
- #if defined(POLARSSL_DES_C)
- TLS_DHE_RSA_WITH_DES_CBC_SHA,
- TLS_RSA_WITH_DES_CBC_SHA,
- #endif
- #if defined(POLARSSL_CIPHER_NULL_CIPHER)
- TLS_RSA_WITH_NULL_MD5,
- TLS_RSA_WITH_NULL_SHA,
- TLS_RSA_WITH_NULL_SHA256,
- #endif
- #endif
- 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_server2 param=<>...\n" \
- "\n acceptable parameters:\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" \
- " min_version=%%s default: \"ssl3\"\n" \
- " options: ssl3, tls1, tls1_1, tls1_2\n" \
- " auth_mode=%%s default: \"optional\"\n" \
- " options: none, optional, required\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_SRV_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_SRV_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;
- int listen_fd;
- int client_fd = -1;
- unsigned char buf[1024];
- char *pers = "ssl_server2";
- entropy_context entropy;
- ctr_drbg_context ctr_drbg;
- ssl_context ssl;
- x509_cert cacert;
- x509_cert srvcert;
- rsa_context rsa;
- #if defined(POLARSSL_SSL_CACHE_C)
- ssl_cache_context cache;
- #endif
- int i;
- char *p, *q;
- const int *list;
- /*
- * Make sure memory references are valid.
- */
- listen_fd = 0;
- memset( &cacert, 0, sizeof( x509_cert ) );
- memset( &srvcert, 0, sizeof( x509_cert ) );
- memset( &rsa, 0, sizeof( rsa_context ) );
- #if defined(POLARSSL_SSL_CACHE_C)
- ssl_cache_init( &cache );
- #endif
- 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_port = DFL_SERVER_PORT;
- opt.debug_level = DFL_DEBUG_LEVEL;
- 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.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_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, "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, "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
- */
- printf( " . Loading the server cert. and key..." );
- fflush( stdout );
- #if defined(POLARSSL_FS_IO)
- if( strlen( opt.crt_file ) )
- ret = x509parse_crtfile( &srvcert, opt.crt_file );
- else
- #endif
- #if defined(POLARSSL_CERTS_C)
- ret = x509parse_crt( &srvcert, (unsigned char *) test_srv_crt,
- strlen( test_srv_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_srv_key,
- strlen( test_srv_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. Setup the listening TCP socket
- */
- printf( " . Bind on tcp://localhost:%-4d/ ...", opt.server_port );
- fflush( stdout );
- if( ( ret = net_bind( &listen_fd, NULL, opt.server_port ) ) != 0 )
- {
- printf( " failed\n ! net_bind 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;
- }
- ssl_set_endpoint( &ssl, SSL_IS_SERVER );
- ssl_set_authmode( &ssl, opt.auth_mode );
- ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
- ssl_set_dbg( &ssl, my_debug, stdout );
- #if defined(POLARSSL_SSL_CACHE_C)
- ssl_set_session_cache( &ssl, ssl_cache_get, &cache,
- ssl_cache_set, &cache );
- #endif
- if( opt.force_ciphersuite[0] == DFL_FORCE_CIPHER )
- ssl_set_ciphersuites( &ssl, my_ciphersuites );
- else
- 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, NULL );
- ssl_set_own_cert( &ssl, &srvcert, &rsa );
- #if defined(POLARSSL_DHM_C)
- /*
- * Use different group than default DHM group
- */
- ssl_set_dh_param( &ssl, POLARSSL_DHM_RFC5114_MODP_2048_P,
- POLARSSL_DHM_RFC5114_MODP_2048_G );
- #endif
- if( opt.min_version != -1 )
- ssl_set_min_version( &ssl, SSL_MAJOR_VERSION_3, opt.min_version );
- printf( " ok\n" );
- reset:
- #ifdef POLARSSL_ERROR_C
- if( ret != 0 )
- {
- char error_buf[100];
- error_strerror( ret, error_buf, 100 );
- printf("Last error was: %d - %s\n\n", ret, error_buf );
- }
- #endif
- if( client_fd != -1 )
- net_close( client_fd );
- ssl_session_reset( &ssl );
- /*
- * 3. Wait until a client connects
- */
- #if defined(_WIN32_WCE)
- {
- SHELLEXECUTEINFO sei;
- ZeroMemory( &sei, sizeof( SHELLEXECUTEINFO ) );
- sei.cbSize = sizeof( SHELLEXECUTEINFO );
- sei.fMask = 0;
- sei.hwnd = 0;
- sei.lpVerb = _T( "open" );
- sei.lpFile = _T( "https://localhost:4433/" );
- sei.lpParameters = NULL;
- sei.lpDirectory = NULL;
- sei.nShow = SW_SHOWNORMAL;
- ShellExecuteEx( &sei );
- }
- #elif defined(_WIN32)
- ShellExecute( NULL, "open", "https://localhost:4433/",
- NULL, NULL, SW_SHOWNORMAL );
- #endif
- client_fd = -1;
- printf( " . Waiting for a remote connection ..." );
- fflush( stdout );
- if( ( ret = net_accept( listen_fd, &client_fd, NULL ) ) != 0 )
- {
- printf( " failed\n ! net_accept returned -0x%x\n\n", -ret );
- goto exit;
- }
- ssl_set_bio( &ssl, net_recv, &client_fd,
- net_send, &client_fd );
- printf( " ok\n" );
- /*
- * 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 reset;
- }
- }
- 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( !ssl_get_peer_cert( &ssl ) )
- printf( " ! no client certificate sent\n" );
- if( ( ret & BADCERT_EXPIRED ) != 0 )
- printf( " ! client certificate has expired\n" );
- if( ( ret & BADCERT_REVOKED ) != 0 )
- printf( " ! client certificate has been revoked\n" );
- if( ( ret & BADCERT_NOT_TRUSTED ) != 0 )
- printf( " ! self-signed or not signed by a trusted CA\n" );
- printf( "\n" );
- }
- else
- printf( " ok\n" );
- if( ssl_get_peer_cert( &ssl ) )
- {
- printf( " . Peer certificate information ...\n" );
- x509parse_cert_info( (char *) buf, sizeof( buf ) - 1, " ",
- ssl_get_peer_cert( &ssl ) );
- printf( "%s\n", buf );
- }
- /*
- * 6. Read the HTTP Request
- */
- printf( " < Read from client:" );
- 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 <= 0 )
- {
- switch( ret )
- {
- case POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY:
- printf( " connection was closed gracefully\n" );
- break;
- case POLARSSL_ERR_NET_CONN_RESET:
- printf( " connection was reset by peer\n" );
- break;
- default:
- printf( " ssl_read returned -0x%x\n", -ret );
- break;
- }
- break;
- }
- len = ret;
- printf( " %d bytes read\n\n%s", len, (char *) buf );
- if( ret > 0 )
- break;
- }
- while( 1 );
- /*
- * 7. Write the 200 Response
- */
- printf( " > Write to client:" );
- fflush( stdout );
- len = sprintf( (char *) buf, HTTP_RESPONSE,
- ssl_get_ciphersuite( &ssl ) );
- while( ( ret = ssl_write( &ssl, buf, len ) ) <= 0 )
- {
- if( ret == POLARSSL_ERR_NET_CONN_RESET )
- {
- printf( " failed\n ! peer closed the connection\n\n" );
- goto reset;
- }
- if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
- {
- printf( " failed\n ! ssl_write returned %d\n\n", ret );
- goto exit;
- }
- }
- len = ret;
- printf( " %d bytes written\n\n%s\n", len, (char *) buf );
- ret = 0;
- goto reset;
- 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
- net_close( client_fd );
- x509_free( &srvcert );
- x509_free( &cacert );
- rsa_free( &rsa );
- ssl_free( &ssl );
- #if defined(POLARSSL_SSL_CACHE_C)
- ssl_cache_free( &cache );
- #endif
- #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_SRV_C && POLARSSL_NET_C && POLARSSL_RSA_C &&
- POLARSSL_CTR_DRBG_C */