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[crypto] Require OCSP check if certificate provides an OCSP URI

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-05-22 00:53:44 +01:00
parent 073331c2ee
commit 7fa1f41f7d
1 changed files with 12 additions and 0 deletions
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12
src/crypto/x509.c
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@ -98,6 +98,10 @@ FILE_LICENCE ( GPL2_OR_LATER );
__einfo_error ( EINFO_EACCES_EMPTY )
#define EINFO_EACCES_EMPTY \
__einfo_uniqify ( EINFO_EACCES, 0x08, "Empty certificate chain" )
#define EACCES_OCSP_REQUIRED \
__einfo_error ( EINFO_EACCES_OCSP_REQUIRED )
#define EINFO_EACCES_OCSP_REQUIRED \
__einfo_uniqify ( EINFO_EACCES, 0x09, "OCSP check required" )
/** Certificate cache */
static LIST_HEAD ( x509_cache );
@ -1343,6 +1347,14 @@ int x509_validate ( struct x509_certificate *cert,
return -EACCES_PATH_LEN;
}
/* Fail if OCSP is required */
if ( cert->extensions.auth_info.ocsp.uri &&
( ! cert->extensions.auth_info.ocsp.good ) ) {
DBGC ( cert, "X509 %p \"%s\" requires an OCSP check\n",
cert, cert->subject.name );
return -EACCES_OCSP_REQUIRED;
}
/* Calculate effective path length */
cert->path_remaining = ( issuer->path_remaining - 1 );
max_path_remaining = ( cert->extensions.basic.path_len + 1 );