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cert_write app now parses presented CSR for subject name and key

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This commit is contained in:
Paul Bakker 2013-09-09 15:52:07 +02:00
parent f9f377e652
commit e2673fb34b
1 changed files with 76 additions and 14 deletions
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76
programs/x509/cert_write.c
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@ -54,6 +54,7 @@ int main( int argc, char *argv[] )
#else
#define DFL_ISSUER_CRT ""
#define DFL_REQUEST_FILE ""
#define DFL_SUBJECT_KEY "subject.key"
#define DFL_ISSUER_KEY "ca.key"
#define DFL_SUBJECT_PWD ""
@ -75,6 +76,7 @@ int main( int argc, char *argv[] )
struct options
{
char *issuer_crt; /* filename of the issuer certificate */
char *request_file; /* filename of the certificate request */
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 )
#define USAGE \
"\n usage: cert_write param=<>...\n" \
"\n acceptable parameters:\n" \
" request_file=%%s default: (empty)\n" \
" If request_file is specified, subject_key,\n" \
" subject_pwd and subject_name are ignored!\n" \
" subject_key=%%s default: subject.key\n" \
" subject_pwd=%%s default: (empty)\n" \
" issuer_crt=%%s default: (empty)\n" \
@ -159,8 +164,11 @@ int main( int argc, char *argv[] )
x509_cert issuer_crt;
rsa_context issuer_rsa, subject_rsa;
char buf[1024];
char issuer_name[128];
char subject_name[128];
int i, j, n;
char *p, *q, *r;
x509_csr csr;
x509write_cert crt;
mpi serial;
@ -172,6 +180,7 @@ 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( &csr, 0, sizeof(x509_csr) );
memset( &issuer_crt, 0, sizeof(x509_cert) );
memset( buf, 0, 1024 );
@ -184,6 +193,8 @@ int main( int argc, char *argv[] )
}
opt.issuer_crt = DFL_ISSUER_CRT;
opt.request_file = DFL_REQUEST_FILE;
opt.request_file = DFL_REQUEST_FILE;
opt.subject_key = DFL_SUBJECT_KEY;
opt.issuer_key = DFL_ISSUER_KEY;
opt.subject_pwd = DFL_SUBJECT_PWD;
@ -214,7 +225,9 @@ int main( int argc, char *argv[] )
argv[i][j] |= 0x20;
}
if( strcmp( p, "subject_key" ) == 0 )
if( strcmp( p, "request_file" ) == 0 )
opt.request_file = q;
else if( strcmp( p, "subject_key" ) == 0 )
opt.subject_key = q;
else if( strcmp( p, "issuer_key" ) == 0 )
opt.issuer_key = q;
@ -334,7 +347,7 @@ int main( int argc, char *argv[] )
if( strlen( opt.issuer_crt ) )
{
/*
* 1.0. Load the certificates
* 1.0.a. Load the certificates
*/
printf( " . Loading the issuer certificate ..." );
fflush( stdout );
@ -348,7 +361,8 @@ int main( int argc, char *argv[] )
goto exit;
}
ret = x509parse_dn_gets( buf, sizeof(buf), &issuer_crt.issuer );
ret = x509parse_dn_gets( issuer_name, sizeof(issuer_name),
&issuer_crt.issuer );
if( ret < 0 )
{
#ifdef POLARSSL_ERROR_C
@ -358,7 +372,51 @@ int main( int argc, char *argv[] )
goto exit;
}
opt.issuer_name = buf;
opt.issuer_name = issuer_name;
printf( " ok\n" );
}
// Parse certificate request if present
//
if( strlen( opt.request_file ) )
{
/*
* 1.0.b. Load the CSR
*/
printf( " . Loading the certificate request ..." );
fflush( stdout );
if( ( ret = x509parse_csrfile( &csr, opt.request_file ) ) != 0 )
{
#ifdef POLARSSL_ERROR_C
error_strerror( ret, buf, 1024 );
#endif
printf( " failed\n ! x509parse_csrfile returned -0x%02x - %s\n\n", -ret, buf );
goto exit;
}
ret = x509parse_dn_gets( subject_name, sizeof(subject_name),
&csr.subject );
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.subject_name = subject_name;
if( ( ret = rsa_copy( &subject_rsa, pk_rsa( csr.pk ) ) ) != 0 )
{
#ifdef POLARSSL_ERROR_C
error_strerror( ret, buf, 1024 );
#endif
printf( " failed\n ! rsa_copy returned -0x%02x - %s\n\n", -ret, buf );
goto exit;
}
printf( " ok\n" );
}
@ -387,11 +445,13 @@ int main( int argc, char *argv[] )
/*
* 1.1. Load the keys
*/
if( !strlen( opt.request_file ) )
{
printf( " . Loading the subject key ..." );
fflush( stdout );
ret = x509parse_keyfile_rsa( &subject_rsa, opt.subject_key, opt.subject_pwd );
ret = x509parse_keyfile_rsa( &subject_rsa, opt.subject_key,
opt.subject_pwd );
if( ret != 0 )
{
#ifdef POLARSSL_ERROR_C
@ -401,9 +461,11 @@ int main( int argc, char *argv[] )
goto exit;
}
printf( " ok\n" );
}
x509write_crt_set_subject_key( &crt, &subject_rsa );
printf( " ok\n" );
printf( " . Loading the issuer key ..." );
fflush( stdout );