1010 lines
32 KiB
C
1010 lines
32 KiB
C
/*
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* SSL client with options
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "polarssl/net.h"
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#include "polarssl/ssl.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#include "polarssl/certs.h"
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#include "polarssl/x509.h"
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#include "polarssl/error.h"
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#if defined(POLARSSL_SSL_CACHE_C)
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#include "polarssl/ssl_cache.h"
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#endif
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#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
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#include "polarssl/memory.h"
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#endif
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#define DFL_SERVER_PORT 4433
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#define DFL_DEBUG_LEVEL 0
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#define DFL_CA_FILE ""
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#define DFL_CA_PATH ""
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#define DFL_CRT_FILE ""
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#define DFL_KEY_FILE ""
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#define DFL_CRT_FILE2 ""
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#define DFL_KEY_FILE2 ""
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#define DFL_PSK ""
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#define DFL_PSK_IDENTITY "Client_identity"
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#define DFL_FORCE_CIPHER 0
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#define DFL_RENEGOTIATION SSL_RENEGOTIATION_ENABLED
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#define DFL_ALLOW_LEGACY SSL_LEGACY_NO_RENEGOTIATION
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#define DFL_MIN_VERSION -1
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#define DFL_MAX_VERSION -1
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#define DFL_AUTH_MODE SSL_VERIFY_OPTIONAL
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#define DFL_MFL_CODE SSL_MAX_FRAG_LEN_NONE
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#define DFL_TICKETS SSL_SESSION_TICKETS_ENABLED
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#define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
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"07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
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/* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
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* packets (for fragmentation purposes) */
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#define HTTP_RESPONSE \
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"HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
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"<h2>PolarSSL Test Server</h2>\r\n" \
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"<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
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/* Uncomment to test server-initiated renegotiation */
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// #define TEST_RENEGO
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/*
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* global options
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*/
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struct options
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{
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int server_port; /* port on which the ssl service runs */
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int debug_level; /* level of debugging */
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const char *ca_file; /* the file with the CA certificate(s) */
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const char *ca_path; /* the path with the CA certificate(s) reside */
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const char *crt_file; /* the file with the server certificate */
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const char *key_file; /* the file with the server key */
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const char *crt_file2; /* the file with the 2nd server certificate */
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const char *key_file2; /* the file with the 2nd server key */
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const char *psk; /* the pre-shared key */
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const char *psk_identity; /* the pre-shared key identity */
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int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
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int renegotiation; /* enable / disable renegotiation */
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int allow_legacy; /* allow legacy renegotiation */
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int min_version; /* minimum protocol version accepted */
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int max_version; /* maximum protocol version accepted */
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int auth_mode; /* verify mode for connection */
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unsigned char mfl_code; /* code for maximum fragment length */
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int tickets; /* enable / disable session tickets */
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} opt;
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static void my_debug( void *ctx, int level, const char *str )
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{
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if( level < opt.debug_level )
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{
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fprintf( (FILE *) ctx, "%s", str );
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fflush( (FILE *) ctx );
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}
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}
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#if defined(POLARSSL_X509_CRT_PARSE_C)
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#if defined(POLARSSL_FS_IO)
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#define USAGE_IO \
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" ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
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" default: \"\" (pre-loaded)\n" \
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" ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
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" default: \"\" (pre-loaded) (overrides ca_file)\n" \
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" crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
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" default: see note after key_file2\n" \
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" key_file=%%s default: see note after key_file2\n" \
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" crt_file2=%%s Your second cert and chain (in bottom to top order, top may be omitted)\n" \
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" default: see note after key_file2\n" \
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" key_file2=%%s default: see note below\n" \
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" note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \
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" preloaded certificate(s) and key(s) are used if available\n"
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#else
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#define USAGE_IO \
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"\n" \
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" No file operations available (POLARSSL_FS_IO not defined)\n" \
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"\n"
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#endif /* POLARSSL_FS_IO */
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#else
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#define USAGE_IO ""
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#endif /* POLARSSL_X509_CRT_PARSE_C */
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#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
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#define USAGE_PSK \
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" psk=%%s default: \"\" (in hex, without 0x)\n" \
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" psk_identity=%%s default: \"Client_identity\"\n"
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#else
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#define USAGE_PSK ""
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#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
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#if defined(POLARSSL_SSL_SESSION_TICKETS)
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#define USAGE_TICKETS \
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" tickets=%%d default: 1 (enabled)\n"
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#else
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#define USAGE_TICKETS ""
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#endif /* POLARSSL_SSL_SESSION_TICKETS */
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#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
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#define USAGE_MAX_FRAG_LEN \
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" max_frag_len=%%d default: 16384 (tls default)\n" \
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" options: 512, 1024, 2048, 4096\n"
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#else
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#define USAGE_MAX_FRAG_LEN ""
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#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
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#define USAGE \
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"\n usage: ssl_server2 param=<>...\n" \
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"\n acceptable parameters:\n" \
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" server_port=%%d default: 4433\n" \
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" debug_level=%%d default: 0 (disabled)\n" \
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USAGE_IO \
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" request_page=%%s default: \".\"\n" \
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" renegotiation=%%d default: 1 (enabled)\n" \
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USAGE_TICKETS \
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" allow_legacy=%%d default: 0 (disabled)\n" \
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" min_version=%%s default: \"ssl3\"\n" \
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" max_version=%%s default: \"tls1_2\"\n" \
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" force_version=%%s default: \"\" (none)\n" \
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" options: ssl3, tls1, tls1_1, tls1_2\n" \
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" auth_mode=%%s default: \"optional\"\n" \
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" options: none, optional, required\n" \
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USAGE_MAX_FRAG_LEN \
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USAGE_PSK \
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"\n" \
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" force_ciphersuite=<name> default: all enabled\n"\
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" acceptable ciphersuite names:\n"
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#if !defined(POLARSSL_ENTROPY_C) || \
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!defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_SRV_C) || \
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!defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
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int main( int argc, char *argv[] )
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{
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((void) argc);
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((void) argv);
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printf("POLARSSL_ENTROPY_C and/or "
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"POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
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"POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
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return( 0 );
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}
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#else
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int main( int argc, char *argv[] )
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{
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int ret = 0, len, written, frags;
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int listen_fd;
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int client_fd = -1;
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unsigned char buf[1024];
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#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
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unsigned char psk[256];
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size_t psk_len = 0;
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#endif
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const char *pers = "ssl_server2";
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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ssl_context ssl;
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#if defined(POLARSSL_X509_CRT_PARSE_C)
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x509_crt cacert;
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x509_crt srvcert;
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pk_context pkey;
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x509_crt srvcert2;
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pk_context pkey2;
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int key_cert_init = 0, key_cert_init2 = 0;
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#endif
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#if defined(POLARSSL_SSL_CACHE_C)
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ssl_cache_context cache;
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#endif
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#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
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unsigned char alloc_buf[100000];
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#endif
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int i;
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char *p, *q;
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const int *list;
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#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
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memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
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#endif
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/*
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* Make sure memory references are valid in case we exit early.
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*/
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listen_fd = 0;
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memset( &ssl, 0, sizeof( ssl_context ) );
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#if defined(POLARSSL_X509_CRT_PARSE_C)
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x509_crt_init( &cacert );
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x509_crt_init( &srvcert );
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pk_init( &pkey );
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x509_crt_init( &srvcert2 );
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pk_init( &pkey2 );
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#endif
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#if defined(POLARSSL_SSL_CACHE_C)
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ssl_cache_init( &cache );
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#endif
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if( argc == 0 )
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{
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usage:
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if( ret == 0 )
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ret = 1;
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printf( USAGE );
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list = ssl_list_ciphersuites();
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while( *list )
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{
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printf(" %-42s", ssl_get_ciphersuite_name( *list ) );
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list++;
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if( !*list )
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break;
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printf(" %s\n", ssl_get_ciphersuite_name( *list ) );
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list++;
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}
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printf("\n");
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goto exit;
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}
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opt.server_port = DFL_SERVER_PORT;
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opt.debug_level = DFL_DEBUG_LEVEL;
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opt.ca_file = DFL_CA_FILE;
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opt.ca_path = DFL_CA_PATH;
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opt.crt_file = DFL_CRT_FILE;
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opt.key_file = DFL_KEY_FILE;
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opt.crt_file2 = DFL_CRT_FILE2;
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opt.key_file2 = DFL_KEY_FILE2;
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opt.psk = DFL_PSK;
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opt.psk_identity = DFL_PSK_IDENTITY;
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opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
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opt.renegotiation = DFL_RENEGOTIATION;
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opt.allow_legacy = DFL_ALLOW_LEGACY;
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opt.min_version = DFL_MIN_VERSION;
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opt.max_version = DFL_MAX_VERSION;
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opt.auth_mode = DFL_AUTH_MODE;
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opt.mfl_code = DFL_MFL_CODE;
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opt.tickets = DFL_TICKETS;
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for( i = 1; i < argc; i++ )
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{
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p = argv[i];
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if( ( q = strchr( p, '=' ) ) == NULL )
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goto usage;
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*q++ = '\0';
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if( strcmp( p, "server_port" ) == 0 )
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{
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opt.server_port = atoi( q );
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if( opt.server_port < 1 || opt.server_port > 65535 )
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goto usage;
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}
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else if( strcmp( p, "debug_level" ) == 0 )
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{
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opt.debug_level = atoi( q );
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if( opt.debug_level < 0 || opt.debug_level > 65535 )
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goto usage;
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}
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else if( strcmp( p, "ca_file" ) == 0 )
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opt.ca_file = q;
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else if( strcmp( p, "ca_path" ) == 0 )
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opt.ca_path = q;
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else if( strcmp( p, "crt_file" ) == 0 )
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opt.crt_file = q;
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else if( strcmp( p, "key_file" ) == 0 )
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opt.key_file = q;
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else if( strcmp( p, "crt_file2" ) == 0 )
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opt.crt_file2 = q;
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else if( strcmp( p, "key_file2" ) == 0 )
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opt.key_file2 = q;
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else if( strcmp( p, "psk" ) == 0 )
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opt.psk = q;
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else if( strcmp( p, "psk_identity" ) == 0 )
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opt.psk_identity = q;
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else if( strcmp( p, "force_ciphersuite" ) == 0 )
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{
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opt.force_ciphersuite[0] = -1;
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opt.force_ciphersuite[0] = ssl_get_ciphersuite_id( q );
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if( opt.force_ciphersuite[0] <= 0 )
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{
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ret = 2;
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goto usage;
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}
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opt.force_ciphersuite[1] = 0;
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}
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else if( strcmp( p, "renegotiation" ) == 0 )
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{
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opt.renegotiation = (atoi( q )) ? SSL_RENEGOTIATION_ENABLED :
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SSL_RENEGOTIATION_DISABLED;
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}
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else if( strcmp( p, "allow_legacy" ) == 0 )
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{
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opt.allow_legacy = atoi( q );
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if( opt.allow_legacy < 0 || opt.allow_legacy > 1 )
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goto usage;
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}
|
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else if( strcmp( p, "min_version" ) == 0 )
|
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{
|
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if( strcmp( q, "ssl3" ) == 0 )
|
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opt.min_version = SSL_MINOR_VERSION_0;
|
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else if( strcmp( q, "tls1" ) == 0 )
|
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opt.min_version = SSL_MINOR_VERSION_1;
|
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else if( strcmp( q, "tls1_1" ) == 0 )
|
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opt.min_version = SSL_MINOR_VERSION_2;
|
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else if( strcmp( q, "tls1_2" ) == 0 )
|
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opt.min_version = SSL_MINOR_VERSION_3;
|
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else
|
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goto usage;
|
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}
|
|
else if( strcmp( p, "max_version" ) == 0 )
|
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{
|
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if( strcmp( q, "ssl3" ) == 0 )
|
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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 )
|
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opt.max_version = SSL_MINOR_VERSION_3;
|
|
else
|
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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 )
|
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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 if( strcmp( p, "max_frag_len" ) == 0 )
|
|
{
|
|
if( strcmp( q, "512" ) == 0 )
|
|
opt.mfl_code = SSL_MAX_FRAG_LEN_512;
|
|
else if( strcmp( q, "1024" ) == 0 )
|
|
opt.mfl_code = SSL_MAX_FRAG_LEN_1024;
|
|
else if( strcmp( q, "2048" ) == 0 )
|
|
opt.mfl_code = SSL_MAX_FRAG_LEN_2048;
|
|
else if( strcmp( q, "4096" ) == 0 )
|
|
opt.mfl_code = SSL_MAX_FRAG_LEN_4096;
|
|
else
|
|
goto usage;
|
|
}
|
|
else if( strcmp( p, "tickets" ) == 0 )
|
|
{
|
|
opt.tickets = atoi( q );
|
|
if( opt.tickets < 0 || opt.tickets > 1 )
|
|
goto usage;
|
|
}
|
|
else
|
|
goto usage;
|
|
}
|
|
|
|
if( opt.force_ciphersuite[0] > 0 )
|
|
{
|
|
const ssl_ciphersuite_t *ciphersuite_info;
|
|
ciphersuite_info = ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
|
|
|
|
if( opt.max_version != -1 &&
|
|
ciphersuite_info->min_minor_ver > opt.max_version )
|
|
{
|
|
printf("forced ciphersuite not allowed with this protocol version\n");
|
|
ret = 2;
|
|
goto usage;
|
|
}
|
|
if( opt.min_version != -1 &&
|
|
ciphersuite_info->max_minor_ver < opt.min_version )
|
|
{
|
|
printf("forced ciphersuite not allowed with this protocol version\n");
|
|
ret = 2;
|
|
goto usage;
|
|
}
|
|
if( opt.max_version > ciphersuite_info->max_minor_ver )
|
|
opt.max_version = ciphersuite_info->max_minor_ver;
|
|
if( opt.min_version < ciphersuite_info->min_minor_ver )
|
|
opt.min_version = ciphersuite_info->min_minor_ver;
|
|
}
|
|
|
|
#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
|
|
/*
|
|
* Unhexify the pre-shared key if any is given
|
|
*/
|
|
if( strlen( opt.psk ) )
|
|
{
|
|
unsigned char c;
|
|
size_t j;
|
|
|
|
if( strlen( opt.psk ) % 2 != 0 )
|
|
{
|
|
printf("pre-shared key not valid hex\n");
|
|
goto exit;
|
|
}
|
|
|
|
psk_len = strlen( opt.psk ) / 2;
|
|
|
|
for( j = 0; j < strlen( opt.psk ); j += 2 )
|
|
{
|
|
c = opt.psk[j];
|
|
if( c >= '0' && c <= '9' )
|
|
c -= '0';
|
|
else if( c >= 'a' && c <= 'f' )
|
|
c -= 'a' - 10;
|
|
else if( c >= 'A' && c <= 'F' )
|
|
c -= 'A' - 10;
|
|
else
|
|
{
|
|
printf("pre-shared key not valid hex\n");
|
|
goto exit;
|
|
}
|
|
psk[ j / 2 ] = c << 4;
|
|
|
|
c = opt.psk[j + 1];
|
|
if( c >= '0' && c <= '9' )
|
|
c -= '0';
|
|
else if( c >= 'a' && c <= 'f' )
|
|
c -= 'a' - 10;
|
|
else if( c >= 'A' && c <= 'F' )
|
|
c -= 'A' - 10;
|
|
else
|
|
{
|
|
printf("pre-shared key not valid hex\n");
|
|
goto exit;
|
|
}
|
|
psk[ j / 2 ] |= c;
|
|
}
|
|
}
|
|
#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
|
|
|
|
/*
|
|
* 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,
|
|
(const unsigned char *) pers,
|
|
strlen( pers ) ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! ctr_drbg_init returned -0x%x\n", -ret );
|
|
goto exit;
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
|
|
#if defined(POLARSSL_X509_CRT_PARSE_C)
|
|
/*
|
|
* 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 = x509_crt_parse_path( &cacert, opt.ca_path );
|
|
else if( strlen( opt.ca_file ) )
|
|
ret = x509_crt_parse_file( &cacert, opt.ca_file );
|
|
else
|
|
#endif
|
|
#if defined(POLARSSL_CERTS_C)
|
|
ret = x509_crt_parse( &cacert, (const unsigned char *) test_ca_list,
|
|
strlen( test_ca_list ) );
|
|
#else
|
|
{
|
|
ret = 1;
|
|
printf("POLARSSL_CERTS_C not defined.");
|
|
}
|
|
#endif
|
|
if( ret < 0 )
|
|
{
|
|
printf( " failed\n ! x509_crt_parse 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 ) )
|
|
{
|
|
key_cert_init++;
|
|
if( ( ret = x509_crt_parse_file( &srvcert, opt.crt_file ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! x509_crt_parse_file returned -0x%x\n\n",
|
|
-ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
if( strlen( opt.key_file ) )
|
|
{
|
|
key_cert_init++;
|
|
if( ( ret = pk_parse_keyfile( &pkey, opt.key_file, "" ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! pk_parse_keyfile returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
if( key_cert_init == 1 )
|
|
{
|
|
printf( " failed\n ! crt_file without key_file or vice-versa\n\n" );
|
|
goto exit;
|
|
}
|
|
|
|
if( strlen( opt.crt_file2 ) )
|
|
{
|
|
key_cert_init2++;
|
|
if( ( ret = x509_crt_parse_file( &srvcert2, opt.crt_file2 ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! x509_crt_parse_file(2) returned -0x%x\n\n",
|
|
-ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
if( strlen( opt.key_file2 ) )
|
|
{
|
|
key_cert_init2++;
|
|
if( ( ret = pk_parse_keyfile( &pkey2, opt.key_file2, "" ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! pk_parse_keyfile(2) returned -0x%x\n\n",
|
|
-ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
if( key_cert_init2 == 1 )
|
|
{
|
|
printf( " failed\n ! crt_file2 without key_file2 or vice-versa\n\n" );
|
|
goto exit;
|
|
}
|
|
#endif
|
|
if( key_cert_init == 0 && key_cert_init2 == 0 )
|
|
{
|
|
#if !defined(POLARSSL_CERTS_C)
|
|
printf( "Not certificated or key provided, and \n"
|
|
"POLARSSL_CERTS_C not defined!\n" );
|
|
goto exit;
|
|
#else
|
|
#if defined(POLARSSL_RSA_C)
|
|
if( ( ret = x509_crt_parse( &srvcert,
|
|
(const unsigned char *) test_srv_crt_rsa,
|
|
strlen( test_srv_crt_rsa ) ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! x509_crt_parse returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
if( ( ret = pk_parse_key( &pkey,
|
|
(const unsigned char *) test_srv_key_rsa,
|
|
strlen( test_srv_key_rsa ), NULL, 0 ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! pk_parse_key returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
key_cert_init = 2;
|
|
#endif /* POLARSSL_RSA_C */
|
|
#if defined(POLARSSL_ECDSA_C)
|
|
if( ( ret = x509_crt_parse( &srvcert2,
|
|
(const unsigned char *) test_srv_crt_ec,
|
|
strlen( test_srv_crt_ec ) ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! x509_crt_parse2 returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
if( ( ret = pk_parse_key( &pkey2,
|
|
(const unsigned char *) test_srv_key_ec,
|
|
strlen( test_srv_key_ec ), NULL, 0 ) ) != 0 )
|
|
{
|
|
printf( " failed\n ! pk_parse_key2 returned -0x%x\n\n", -ret );
|
|
goto exit;
|
|
}
|
|
key_cert_init2 = 2;
|
|
#endif /* POLARSSL_ECDSA_C */
|
|
#endif /* POLARSSL_CERTS_C */
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
#endif /* POLARSSL_X509_CRT_PARSE_C */
|
|
|
|
/*
|
|
* 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 );
|
|
|
|
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
|
|
ssl_set_max_frag_len( &ssl, opt.mfl_code );
|
|
#endif
|
|
|
|
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 defined(POLARSSL_SSL_SESSION_TICKETS)
|
|
ssl_set_session_tickets( &ssl, opt.tickets );
|
|
#endif
|
|
|
|
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 );
|
|
|
|
#if defined(POLARSSL_X509_CRT_PARSE_C)
|
|
ssl_set_ca_chain( &ssl, &cacert, NULL, NULL );
|
|
if( key_cert_init )
|
|
ssl_set_own_cert( &ssl, &srvcert, &pkey );
|
|
if( key_cert_init2 )
|
|
ssl_set_own_cert( &ssl, &srvcert2, &pkey2 );
|
|
#endif
|
|
|
|
#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
|
|
ssl_set_psk( &ssl, psk, psk_len, (const unsigned char *) opt.psk_identity,
|
|
strlen( opt.psk_identity ) );
|
|
#endif
|
|
|
|
#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 );
|
|
|
|
if( opt.max_version != -1 )
|
|
ssl_set_max_version( &ssl, SSL_MAJOR_VERSION_3, opt.max_version );
|
|
|
|
printf( " ok\n" );
|
|
|
|
reset:
|
|
#ifdef POLARSSL_ERROR_C
|
|
if( ret != 0 )
|
|
{
|
|
char error_buf[100];
|
|
polarssl_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
|
|
*/
|
|
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 ) );
|
|
|
|
#if defined(POLARSSL_X509_CRT_PARSE_C)
|
|
/*
|
|
* 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" );
|
|
x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ",
|
|
ssl_get_peer_cert( &ssl ) );
|
|
printf( "%s\n", buf );
|
|
}
|
|
#endif /* POLARSSL_X509_CRT_PARSE_C */
|
|
|
|
/*
|
|
* 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\n", len, (char *) buf );
|
|
|
|
if( memcmp( buf, "SERVERQUIT", 10 ) == 0 )
|
|
{
|
|
ret = 0;
|
|
goto exit;
|
|
}
|
|
|
|
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 ) );
|
|
|
|
for( written = 0, frags = 0; written < len; written += ret, frags++ )
|
|
{
|
|
while( ( ret = ssl_write( &ssl, buf + written, len - written ) ) <= 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
buf[written] = '\0';
|
|
printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
|
|
|
|
#ifdef TEST_RENEGO
|
|
/*
|
|
* Request renegotiation (this must be done when the client is still
|
|
* waiting for input from our side).
|
|
*/
|
|
printf( " . Requestion renegotiation..." );
|
|
fflush( stdout );
|
|
while( ( ret = ssl_renegotiate( &ssl ) ) != 0 )
|
|
{
|
|
if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
|
|
{
|
|
printf( " failed\n ! ssl_renegotiate returned %d\n\n", ret );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Should be a while loop, not an if, but here we're not actually
|
|
* expecting data from the client, and since we're running tests locally,
|
|
* we can just hope the handshake will finish the during the first call.
|
|
*/
|
|
if( ( ret = ssl_read( &ssl, buf, 0 ) ) != 0 )
|
|
{
|
|
if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
|
|
{
|
|
printf( " failed\n ! ssl_read returned %d\n\n", ret );
|
|
|
|
/* Unexpected message probably means client didn't renegotiate */
|
|
if( ret == POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE )
|
|
goto reset;
|
|
else
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
printf( " ok\n" );
|
|
#endif
|
|
|
|
ret = 0;
|
|
goto reset;
|
|
|
|
exit:
|
|
|
|
#ifdef POLARSSL_ERROR_C
|
|
if( ret != 0 )
|
|
{
|
|
char error_buf[100];
|
|
polarssl_strerror( ret, error_buf, 100 );
|
|
printf("Last error was: -0x%X - %s\n\n", -ret, error_buf );
|
|
}
|
|
#endif
|
|
|
|
net_close( client_fd );
|
|
#if defined(POLARSSL_X509_CRT_PARSE_C)
|
|
x509_crt_free( &cacert );
|
|
x509_crt_free( &srvcert );
|
|
pk_free( &pkey );
|
|
x509_crt_free( &srvcert2 );
|
|
pk_free( &pkey2 );
|
|
#endif
|
|
|
|
ssl_free( &ssl );
|
|
entropy_free( &entropy );
|
|
|
|
#if defined(POLARSSL_SSL_CACHE_C)
|
|
ssl_cache_free( &cache );
|
|
#endif
|
|
|
|
#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
|
|
#if defined(POLARSSL_MEMORY_DEBUG)
|
|
memory_buffer_alloc_status();
|
|
#endif
|
|
memory_buffer_alloc_free();
|
|
#endif
|
|
|
|
#if defined(_WIN32)
|
|
printf( " + Press Enter to exit this program.\n" );
|
|
fflush( stdout ); getchar();
|
|
#endif
|
|
|
|
// Shell can not handle large exit numbers -> 1 for errors
|
|
if( ret < 0 )
|
|
ret = 1;
|
|
|
|
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 */
|