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[crypto] Add certstat() to display basic certificate information
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Aug 31, 2016
1 parent 9a1a42f commit 1e277ab
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Showing 3 changed files with 81 additions and 2 deletions.
4 changes: 2 additions & 2 deletions src/crypto/x509.c
Expand Up @@ -122,10 +122,10 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
__einfo_uniqify ( EINFO_EACCES, 0x0b, "No usable certificates" )

/**
* Get X.509 certificate name (for debugging)
* Get X.509 certificate display name
*
* @v cert X.509 certificate
* @ret name Name (for debugging)
* @ret name Display name
*/
const char * x509_name ( struct x509_certificate *cert ) {
struct asn1_cursor *common_name = &cert->subject.common_name;
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16 changes: 16 additions & 0 deletions src/include/usr/certmgmt.h
@@ -0,0 +1,16 @@
#ifndef _USR_CERTMGMT_H
#define _USR_CERTMGMT_H

/** @file
*
* Certificate management
*
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <ipxe/x509.h>

extern void certstat ( struct x509_certificate *cert );

#endif /* _USR_CERTMGMT_H */
63 changes: 63 additions & 0 deletions src/usr/certmgmt.c
@@ -0,0 +1,63 @@
/*
* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <stdio.h>
#include <errno.h>
#include <ipxe/x509.h>
#include <ipxe/sha1.h>
#include <ipxe/base16.h>
#include <usr/certmgmt.h>

/** @file
*
* Certificate management
*
*/

/**
* Display status of a certificate
*
* @v cert X.509 certificate
*/
void certstat ( struct x509_certificate *cert ) {
struct digest_algorithm *digest = &sha1_algorithm;
uint8_t fingerprint[ digest->digestsize ];
char buf[ base16_encoded_len ( sizeof ( fingerprint ) ) + 1 /* NUL */ ];

/* Generate fingerprint */
x509_fingerprint ( cert, digest, fingerprint );
base16_encode ( fingerprint, sizeof ( fingerprint ),
buf, sizeof ( buf ) );

/* Print certificate status */
printf ( "%s : %s", x509_name ( cert ), buf );
if ( cert->flags & X509_FL_PERMANENT )
printf ( " [PERMANENT]" );
if ( cert->flags & X509_FL_EXPLICIT )
printf ( " [EXPLICIT]" );
if ( x509_is_valid ( cert ) )
printf ( " [VALIDATED]" );
printf ( "\n" );
}

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