programs/x509/cert_req.c - security/mbedtls - Rivoreo Source Code Repositories

 /*
  *  Certificate request generation
  *
  *  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/error.h"
 #include "polarssl/rsa.h"
 #include "polarssl/x509.h"
 #include "polarssl/base64.h"
 #include "polarssl/x509write.h"
 #include "polarssl/oid.h"

 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||         \
     !defined(POLARSSL_X509_PARSE_C) || !defined(POLARSSL_FS_IO) ||     \
     !defined(POLARSSL_ERROR_C)
 int main( int argc, char *argv[] )
 {
     ((void) argc);
     ((void) argv);

     printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_X509_PARSE_C and/or POLARSSL_FS_IO and/or "
            "POLARSSL_ERROR_C not defined.\n");
     return( 0 );
 }
 #else

 #define DFL_FILENAME            "keyfile.key"
 #define DFL_DEBUG_LEVEL         0
 #define DFL_OUTPUT_FILENAME     "cert.req"
 #define DFL_SUBJECT_NAME        "CN=Cert,O=PolarSSL,C=NL"
 #define DFL_KEY_USAGE           0
 #define DFL_NS_CERT_TYPE        0

 /*
  * global options
  */
 struct options
 {
     char *filename;             /* filename of the key file             */
     int debug_level;            /* level of debugging                   */
     char *output_file;          /* where to store the constructed key file  */
     char *subject_name;         /* subject name for certificate request */
     unsigned char key_usage;    /* key usage flags                      */
     unsigned char ns_cert_type; /* NS cert type                         */
 } opt;

 int write_certificate_request( x509write_csr *req, char *output_file )
 {
     int ret;
     FILE *f;
     unsigned char output_buf[4096];
     size_t len = 0;

     memset( output_buf, 0, 4096 );
     if( ( ret = x509write_csr_pem( req, output_buf, 4096 ) ) < 0 )
         return( ret );

     len = strlen( (char *) output_buf );

     if( ( f = fopen( output_file, "w" ) ) == NULL )
         return( -1 );

     if( fwrite( output_buf, 1, len, f ) != len )
         return( -1 );

     fclose(f);

     return( 0 );
 }

 #define USAGE \
     "\n usage: cert_req param=<>...\n"                  \
     "\n acceptable parameters:\n"                       \
     "    filename=%%s         default: keyfile.key\n"   \
     "    debug_level=%%d      default: 0 (disabled)\n"  \
     "    output_file=%%s      default: cert.req\n"      \
     "    subject_name=%%s     default: CN=Cert,O=PolarSSL,C=NL\n"   \
     "    key_usage=%%s        default: (empty)\n"       \
     "                        Comma-separated-list of values:\n"     \
     "                          digital_signature\n"     \
     "                          non_repudiation\n"       \
     "                          key_encipherment\n"      \
     "                          data_encipherment\n"     \
     "                          key_agreement\n"         \
     "                          key_certificate_sign\n"  \
     "                          crl_sign\n"              \
     "    ns_cert_type=%%s     default: (empty)\n"       \
     "                        Comma-separated-list of values:\n"     \
     "                          ssl_client\n"            \
     "                          ssl_server\n"            \
     "                          email\n"                 \
     "                          object_signing\n"        \
     "                          ssl_ca\n"                \
     "                          email_ca\n"              \
     "                          object_signing_ca\n"     \
     "\n"

 int main( int argc, char *argv[] )
 {
     int ret = 0;
     rsa_context rsa;
     char buf[1024];
     int i, j, n;
     char *p, *q, *r;
     x509write_csr req;

     /*
      * Set to sane values
      */
     x509write_csr_init( &req );
     x509write_csr_set_md_alg( &req, POLARSSL_MD_SHA1 );
     memset( &rsa, 0, sizeof( rsa_context ) );
     memset( buf, 0, 1024 );

     if( argc == 0 )
     {
     usage:
         printf( USAGE );
         ret = 1;
         goto exit;
     }

     opt.filename            = DFL_FILENAME;
     opt.debug_level         = DFL_DEBUG_LEVEL;
     opt.output_file         = DFL_OUTPUT_FILENAME;
     opt.subject_name        = DFL_SUBJECT_NAME;
     opt.key_usage           = DFL_KEY_USAGE;
     opt.ns_cert_type        = DFL_NS_CERT_TYPE;

     for( i = 1; i < argc; i++ )
     {

         p = argv[i];
         if( ( q = strchr( p, '=' ) ) == NULL )
             goto usage;
         *q++ = '\0';

         n = strlen( p );
         for( j = 0; j < n; j++ )
         {
             if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
                 argv[i][j] |= 0x20;
         }

         if( strcmp( p, "filename" ) == 0 )
             opt.filename = q;
         else if( strcmp( p, "output_file" ) == 0 )
             opt.output_file = q;
         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, "subject_name" ) == 0 )
         {
             opt.subject_name = q;
         }
         else if( strcmp( p, "key_usage" ) == 0 )
         {
             while( q != NULL )
             {
                 if( ( r = strchr( q, ',' ) ) != NULL )
                     *r++ = '\0';

                 if( strcmp( q, "digital_signature" ) == 0 )
                     opt.key_usage |= KU_DIGITAL_SIGNATURE;
                 else if( strcmp( q, "non_repudiation" ) == 0 )
                     opt.key_usage |= KU_NON_REPUDIATION;
                 else if( strcmp( q, "key_encipherment" ) == 0 )
                     opt.key_usage |= KU_KEY_ENCIPHERMENT;
                 else if( strcmp( q, "data_encipherment" ) == 0 )
                     opt.key_usage |= KU_DATA_ENCIPHERMENT;
                 else if( strcmp( q, "key_agreement" ) == 0 )
                     opt.key_usage |= KU_KEY_AGREEMENT;
                 else if( strcmp( q, "key_cert_sign" ) == 0 )
                     opt.key_usage |= KU_KEY_CERT_SIGN;
                 else if( strcmp( q, "crl_sign" ) == 0 )
                     opt.key_usage |= KU_CRL_SIGN;
                 else
                     goto usage;

                 q = r;
             }
         }
         else if( strcmp( p, "ns_cert_type" ) == 0 )
         {
             while( q != NULL )
             {
                 if( ( r = strchr( q, ',' ) ) != NULL )
                     *r++ = '\0';

                 if( strcmp( q, "ssl_client" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_SSL_CLIENT;
                 else if( strcmp( q, "ssl_server" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_SSL_SERVER;
                 else if( strcmp( q, "email" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_EMAIL;
                 else if( strcmp( q, "object_signing" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING;
                 else if( strcmp( q, "ssl_ca" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_SSL_CA;
                 else if( strcmp( q, "email_ca" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_EMAIL_CA;
                 else if( strcmp( q, "object_signing_ca" ) == 0 )
                     opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING_CA;
                 else
                     goto usage;

                 q = r;
             }
         }
         else
             goto usage;
     }

     if( opt.key_usage )
         x509write_csr_set_key_usage( &req, opt.key_usage );

     if( opt.ns_cert_type )
         x509write_csr_set_ns_cert_type( &req, opt.ns_cert_type );

     /*
      * 1.0. Check the subject name for validity
      */
     if( ( ret = x509write_csr_set_subject_name( &req, opt.subject_name ) ) != 0 )
     {
         error_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_csr_set_subject_name returned %d - %s\n\n", ret, buf );
         goto exit;
     }

     /*
      * 1.1. Load the key
      */
     printf( "\n  . Loading the private key ..." );
     fflush( stdout );

     ret = x509parse_keyfile_rsa( &rsa, opt.filename, NULL );

     if( ret != 0 )
     {
         error_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509parse_key_rsa returned %d - %s\n\n", ret, buf );
         goto exit;
     }

     x509write_csr_set_rsa_key( &req, &rsa );

     printf( " ok\n" );

     /*
      * 1.2. Writing the request
      */
     printf( "  . Writing the certificate request ..." );
     fflush( stdout );

     if( ( ret = write_certificate_request( &req, opt.output_file ) ) != 0 )
     {
         error_strerror( ret, buf, 1024 );
         printf( " failed\n  !  write_certifcate_request %d - %s\n\n", ret, buf );
         goto exit;
     }

     printf( " ok\n" );

 exit:
     x509write_csr_free( &req );
     rsa_free( &rsa );

 #if defined(_WIN32)
     printf( "  + Press Enter to exit this program.\n" );
     fflush( stdout ); getchar();
 #endif

     return( ret );
 }
 #endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C &&
           POLARSSL_X509_PARSE_C && POLARSSL_FS_IO */
	/*
	* Certificate request generation
	*
	* 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/error.h"
	#include "polarssl/rsa.h"
	#include "polarssl/x509.h"
	#include "polarssl/base64.h"
	#include "polarssl/x509write.h"
	#include "polarssl/oid.h"

	#if !defined(POLARSSL_BIGNUM_C) \|\| !defined(POLARSSL_RSA_C) \|\| \
	!defined(POLARSSL_X509_PARSE_C) \|\| !defined(POLARSSL_FS_IO) \|\| \
	!defined(POLARSSL_ERROR_C)
	int main( int argc, char *argv[] )
	{
	((void) argc);
	((void) argv);

	printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
	"POLARSSL_X509_PARSE_C and/or POLARSSL_FS_IO and/or "
	"POLARSSL_ERROR_C not defined.\n");
	return( 0 );
	}
	#else

	#define DFL_FILENAME "keyfile.key"
	#define DFL_DEBUG_LEVEL 0
	#define DFL_OUTPUT_FILENAME "cert.req"
	#define DFL_SUBJECT_NAME "CN=Cert,O=PolarSSL,C=NL"
	#define DFL_KEY_USAGE 0
	#define DFL_NS_CERT_TYPE 0

	/*
	* global options
	*/
	struct options
	{
	char filename; / filename of the key file */
	int debug_level; /* level of debugging */
	char output_file; / where to store the constructed key file */
	char subject_name; / subject name for certificate request */
	unsigned char key_usage; /* key usage flags */
	unsigned char ns_cert_type; /* NS cert type */
	} opt;

	int write_certificate_request( x509write_csr req, char output_file )
	{
	int ret;
	FILE *f;
	unsigned char output_buf[4096];
	size_t len = 0;

	memset( output_buf, 0, 4096 );
	if( ( ret = x509write_csr_pem( req, output_buf, 4096 ) ) < 0 )
	return( ret );

	len = strlen( (char *) output_buf );

	if( ( f = fopen( output_file, "w" ) ) == NULL )
	return( -1 );

	if( fwrite( output_buf, 1, len, f ) != len )
	return( -1 );

	fclose(f);

	return( 0 );
	}

	#define USAGE \
	"\n usage: cert_req param=<>...\n" \
	"\n acceptable parameters:\n" \
	" filename=%%s default: keyfile.key\n" \
	" debug_level=%%d default: 0 (disabled)\n" \
	" output_file=%%s default: cert.req\n" \
	" subject_name=%%s default: CN=Cert,O=PolarSSL,C=NL\n" \
	" key_usage=%%s default: (empty)\n" \
	" Comma-separated-list of values:\n" \
	" digital_signature\n" \
	" non_repudiation\n" \
	" key_encipherment\n" \
	" data_encipherment\n" \
	" key_agreement\n" \
	" key_certificate_sign\n" \
	" crl_sign\n" \
	" ns_cert_type=%%s default: (empty)\n" \
	" Comma-separated-list of values:\n" \
	" ssl_client\n" \
	" ssl_server\n" \
	" email\n" \
	" object_signing\n" \
	" ssl_ca\n" \
	" email_ca\n" \
	" object_signing_ca\n" \
	"\n"

	int main( int argc, char *argv[] )
	{
	int ret = 0;
	rsa_context rsa;
	char buf[1024];
	int i, j, n;
	char p, q, *r;
	x509write_csr req;

	/*
	* Set to sane values
	*/
	x509write_csr_init( &req );
	x509write_csr_set_md_alg( &req, POLARSSL_MD_SHA1 );
	memset( &rsa, 0, sizeof( rsa_context ) );
	memset( buf, 0, 1024 );

	if( argc == 0 )
	{
	usage:
	printf( USAGE );
	ret = 1;
	goto exit;
	}

	opt.filename = DFL_FILENAME;
	opt.debug_level = DFL_DEBUG_LEVEL;
	opt.output_file = DFL_OUTPUT_FILENAME;
	opt.subject_name = DFL_SUBJECT_NAME;
	opt.key_usage = DFL_KEY_USAGE;
	opt.ns_cert_type = DFL_NS_CERT_TYPE;

	for( i = 1; i < argc; i++ )
	{

	p = argv[i];
	if( ( q = strchr( p, '=' ) ) == NULL )
	goto usage;
	*q++ = '\0';

	n = strlen( p );
	for( j = 0; j < n; j++ )
	{
	if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
	argv[i][j] \|= 0x20;
	}

	if( strcmp( p, "filename" ) == 0 )
	opt.filename = q;
	else if( strcmp( p, "output_file" ) == 0 )
	opt.output_file = q;
	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, "subject_name" ) == 0 )
	{
	opt.subject_name = q;
	}
	else if( strcmp( p, "key_usage" ) == 0 )
	{
	while( q != NULL )
	{
	if( ( r = strchr( q, ',' ) ) != NULL )
	*r++ = '\0';

	if( strcmp( q, "digital_signature" ) == 0 )
	opt.key_usage \|= KU_DIGITAL_SIGNATURE;
	else if( strcmp( q, "non_repudiation" ) == 0 )
	opt.key_usage \|= KU_NON_REPUDIATION;
	else if( strcmp( q, "key_encipherment" ) == 0 )
	opt.key_usage \|= KU_KEY_ENCIPHERMENT;
	else if( strcmp( q, "data_encipherment" ) == 0 )
	opt.key_usage \|= KU_DATA_ENCIPHERMENT;
	else if( strcmp( q, "key_agreement" ) == 0 )
	opt.key_usage \|= KU_KEY_AGREEMENT;
	else if( strcmp( q, "key_cert_sign" ) == 0 )
	opt.key_usage \|= KU_KEY_CERT_SIGN;
	else if( strcmp( q, "crl_sign" ) == 0 )
	opt.key_usage \|= KU_CRL_SIGN;
	else
	goto usage;

	q = r;
	}
	}
	else if( strcmp( p, "ns_cert_type" ) == 0 )
	{
	while( q != NULL )
	{
	if( ( r = strchr( q, ',' ) ) != NULL )
	*r++ = '\0';

	if( strcmp( q, "ssl_client" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_SSL_CLIENT;
	else if( strcmp( q, "ssl_server" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_SSL_SERVER;
	else if( strcmp( q, "email" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_EMAIL;
	else if( strcmp( q, "object_signing" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_OBJECT_SIGNING;
	else if( strcmp( q, "ssl_ca" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_SSL_CA;
	else if( strcmp( q, "email_ca" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_EMAIL_CA;
	else if( strcmp( q, "object_signing_ca" ) == 0 )
	opt.ns_cert_type \|= NS_CERT_TYPE_OBJECT_SIGNING_CA;
	else
	goto usage;

	q = r;
	}
	}
	else
	goto usage;
	}

	if( opt.key_usage )
	x509write_csr_set_key_usage( &req, opt.key_usage );

	if( opt.ns_cert_type )
	x509write_csr_set_ns_cert_type( &req, opt.ns_cert_type );

	/*
	* 1.0. Check the subject name for validity
	*/
	if( ( ret = x509write_csr_set_subject_name( &req, opt.subject_name ) ) != 0 )
	{
	error_strerror( ret, buf, 1024 );
	printf( " failed\n ! x509write_csr_set_subject_name returned %d - %s\n\n", ret, buf );
	goto exit;
	}

	/*
	* 1.1. Load the key
	*/
	printf( "\n . Loading the private key ..." );
	fflush( stdout );

	ret = x509parse_keyfile_rsa( &rsa, opt.filename, NULL );

	if( ret != 0 )
	{
	error_strerror( ret, buf, 1024 );
	printf( " failed\n ! x509parse_key_rsa returned %d - %s\n\n", ret, buf );
	goto exit;
	}

	x509write_csr_set_rsa_key( &req, &rsa );

	printf( " ok\n" );

	/*
	* 1.2. Writing the request
	*/
	printf( " . Writing the certificate request ..." );
	fflush( stdout );

	if( ( ret = write_certificate_request( &req, opt.output_file ) ) != 0 )
	{
	error_strerror( ret, buf, 1024 );
	printf( " failed\n ! write_certifcate_request %d - %s\n\n", ret, buf );
	goto exit;
	}

	printf( " ok\n" );

	exit:
	x509write_csr_free( &req );
	rsa_free( &rsa );

	#if defined(_WIN32)
	printf( " + Press Enter to exit this program.\n" );
	fflush( stdout ); getchar();
	#endif

	return( ret );
	}
	#endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C &&
	POLARSSL_X509_PARSE_C && POLARSSL_FS_IO */