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Use issuer_name from the issuer_certificate in cert_write app

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This commit is contained in:
Paul Bakker 2013-09-09 13:59:42 +02:00
parent d4bf870ff5
commit 1014e95775
1 changed files with 61 additions and 1 deletions
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62
programs/x509/cert_write.c
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@ -53,6 +53,7 @@ int main( int argc, char *argv[] )
}
#else
#define DFL_ISSUER_CRT ""
#define DFL_SUBJECT_KEY "subject.key"
#define DFL_ISSUER_KEY "ca.key"
#define DFL_SUBJECT_PWD ""
@ -73,6 +74,7 @@ int main( int argc, char *argv[] )
*/
struct options
{
char *issuer_crt; /* filename of the issuer certificate */
char *subject_key; /* filename of the subject key file */
char *issuer_key; /* filename of the issuer key file */
char *subject_pwd; /* password for the subject key file */
@ -118,6 +120,9 @@ int write_certificate( x509write_cert *crt, char *output_file )
"\n acceptable parameters:\n" \
" subject_key=%%s default: subject.key\n" \
" subject_pwd=%%s default: (empty)\n" \
" issuer_crt=%%s default: (empty)\n" \
" If issuer_crt is specified, issuer_name is\n" \
" ignored!\n" \
" issuer_key=%%s default: ca.key\n" \
" issuer_pwd=%%s default: (empty)\n" \
" output_file=%%s default: cert.crt\n" \
@ -151,6 +156,7 @@ int write_certificate( x509write_cert *crt, char *output_file )
int main( int argc, char *argv[] )
{
int ret = 0;
x509_cert issuer_crt;
rsa_context issuer_rsa, subject_rsa;
char buf[1024];
int i, j, n;
@ -166,6 +172,7 @@ int main( int argc, char *argv[] )
rsa_init( &issuer_rsa, RSA_PKCS_V15, 0 );
rsa_init( &subject_rsa, RSA_PKCS_V15, 0 );
mpi_init( &serial );
memset( &issuer_crt, 0, sizeof(x509_cert) );
memset( buf, 0, 1024 );
if( argc == 0 )
@ -176,6 +183,7 @@ int main( int argc, char *argv[] )
goto exit;
}
opt.issuer_crt = DFL_ISSUER_CRT;
opt.subject_key = DFL_SUBJECT_KEY;
opt.issuer_key = DFL_ISSUER_KEY;
opt.subject_pwd = DFL_SUBJECT_PWD;
@ -214,6 +222,8 @@ int main( int argc, char *argv[] )
opt.subject_pwd = q;
else if( strcmp( p, "issuer_pwd" ) == 0 )
opt.issuer_pwd = q;
else if( strcmp( p, "issuer_crt" ) == 0 )
opt.issuer_crt = q;
else if( strcmp( p, "output_file" ) == 0 )
opt.output_file = q;
else if( strcmp( p, "subject_name" ) == 0 )
@ -306,6 +316,8 @@ int main( int argc, char *argv[] )
goto usage;
}
printf("\n");
// Parse serial to MPI
//
if( ( ret = mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
@ -317,6 +329,40 @@ int main( int argc, char *argv[] )
goto exit;
}
// Parse issuer certificate if present
//
if( strlen( opt.issuer_crt ) )
{
/*
* 1.0. Load the certificates
*/
printf( " . Loading the issuer certificate ..." );
fflush( stdout );
if( ( ret = x509parse_crtfile( &issuer_crt, opt.issuer_crt ) ) != 0 )
{
#ifdef POLARSSL_ERROR_C
error_strerror( ret, buf, 1024 );
#endif
printf( " failed\n ! x509parse_crtfile returned -0x%02x - %s\n\n", -ret, buf );
goto exit;
}
ret = x509parse_dn_gets( buf, sizeof(buf), &issuer_crt.issuer );
if( ret < 0 )
{
#ifdef POLARSSL_ERROR_C
error_strerror( ret, buf, 1024 );
#endif
printf( " failed\n ! x509parse_dn_gets returned -0x%02x - %s\n\n", -ret, buf );
goto exit;
}
opt.issuer_name = buf;
printf( " ok\n" );
}
/*
* 1.0. Check the names for validity
*/
@ -341,7 +387,7 @@ int main( int argc, char *argv[] )
/*
* 1.1. Load the keys
*/
printf( "\n . Loading the subject key ..." );
printf( " . Loading the subject key ..." );
fflush( stdout );
ret = x509parse_keyfile_rsa( &subject_rsa, opt.subject_key, opt.subject_pwd );
@ -373,6 +419,20 @@ int main( int argc, char *argv[] )
goto exit;
}
// Check if key and issuer certificate match
//
if( strlen( opt.issuer_crt ) )
{
if( !pk_can_do( &issuer_crt.pk, POLARSSL_PK_RSA ) ||
mpi_cmp_mpi( &pk_rsa( issuer_crt.pk )->N, &issuer_rsa.N ) != 0 ||
mpi_cmp_mpi( &pk_rsa( issuer_crt.pk )->E, &issuer_rsa.E ) != 0 )
{
printf( " failed\n ! issuer_key does not match issuer certificate\n\n" );
ret = -1;
goto exit;
}
}
x509write_crt_set_issuer_key( &crt, &issuer_rsa );
printf( " ok\n" );