gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 183 deletions

diff --git a/gpxe/src/crypto/x509.c b/gpxe/src/crypto/x509.c
deleted file mode 100644
index 31ed412f..00000000
--- a/gpxe/src/crypto/x509.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (C) 2007 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <gpxe/asn1.h>
-#include <gpxe/x509.h>
-
-/** @file
- *
- * X.509 certificates
- *
- * The structure of X.509v3 certificates is concisely documented in
- * RFC5280 section 4.1.  The structure of RSA public keys is
- * documented in RFC2313.
- */
-
-/** Object Identifier for "rsaEncryption" (1.2.840.113549.1.1.1) */
-static const uint8_t oid_rsa_encryption[] = { 0x2a, 0x86, 0x48, 0x86, 0xf7,
-					      0x0d, 0x01, 0x01, 0x01 };
-
-/**
- * Identify X.509 certificate public key
- *
- * @v certificate	Certificate
- * @v algorithm		Public key algorithm to fill in
- * @v pubkey		Public key value to fill in
- * @ret rc		Return status code
- */
-static int x509_public_key ( const struct asn1_cursor *certificate,
-			     struct asn1_cursor *algorithm,
-			     struct asn1_cursor *pubkey ) {
-	struct asn1_cursor cursor;
-	int rc;
-
-	/* Locate subjectPublicKeyInfo */
-	memcpy ( &cursor, certificate, sizeof ( cursor ) );
-	rc = ( asn1_enter ( &cursor, ASN1_SEQUENCE ), /* Certificate */
-	       asn1_enter ( &cursor, ASN1_SEQUENCE ), /* tbsCertificate */
-	       asn1_skip ( &cursor, ASN1_EXPLICIT_TAG ), /* version */
-	       asn1_skip ( &cursor, ASN1_INTEGER ), /* serialNumber */
-	       asn1_skip ( &cursor, ASN1_SEQUENCE ), /* signature */
-	       asn1_skip ( &cursor, ASN1_SEQUENCE ), /* issuer */
-	       asn1_skip ( &cursor, ASN1_SEQUENCE ), /* validity */
-	       asn1_skip ( &cursor, ASN1_SEQUENCE ), /* name */
-	       asn1_enter ( &cursor, ASN1_SEQUENCE )/* subjectPublicKeyInfo*/);
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate subjectPublicKeyInfo in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return rc;
-	}
-
-	/* Locate algorithm */
-	memcpy ( algorithm, &cursor, sizeof ( *algorithm ) );
-	rc = ( asn1_enter ( algorithm, ASN1_SEQUENCE ) /* algorithm */ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate algorithm in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return rc;
-	}
-
-	/* Locate subjectPublicKey */
-	memcpy ( pubkey, &cursor, sizeof ( *pubkey ) );
-	rc = ( asn1_skip ( pubkey, ASN1_SEQUENCE ), /* algorithm */
-	       asn1_enter ( pubkey, ASN1_BIT_STRING ) /* subjectPublicKey*/ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate subjectPublicKey in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return rc;
-	}
-
-	return 0;
-}
-
-/**
- * Identify X.509 certificate RSA modulus and public exponent
- *
- * @v certificate	Certificate
- * @v rsa		RSA public key to fill in
- * @ret rc		Return status code
- *
- * The caller is responsible for eventually calling
- * x509_free_rsa_public_key() to free the storage allocated to hold
- * the RSA modulus and exponent.
- */
-int x509_rsa_public_key ( const struct asn1_cursor *certificate,
-			  struct x509_rsa_public_key *rsa_pubkey ) {
-	struct asn1_cursor algorithm;
-	struct asn1_cursor pubkey;
-	struct asn1_cursor modulus;
-	struct asn1_cursor exponent;
-	int rc;
-
-	/* First, extract the public key algorithm and key data */
-	if ( ( rc = x509_public_key ( certificate, &algorithm,
-				      &pubkey ) ) != 0 )
-		return rc;
-
-	/* Check that algorithm is RSA */
-	rc = ( asn1_enter ( &algorithm, ASN1_OID ) /* algorithm */ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate algorithm:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-	return rc;
-	}
-	if ( ( algorithm.len != sizeof ( oid_rsa_encryption ) ) ||
-	     ( memcmp ( algorithm.data, &oid_rsa_encryption,
-			sizeof ( oid_rsa_encryption ) ) != 0 ) ) {
-		DBG ( "algorithm is not rsaEncryption in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return -ENOTSUP;
-	}
-
-	/* Check that public key is a byte string, i.e. that the
-	 * "unused bits" byte contains zero.
-	 */
-	if ( ( pubkey.len < 1 ) ||
-	     ( ( *( uint8_t * ) pubkey.data ) != 0 ) ) {
-		DBG ( "subjectPublicKey is not a byte string in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return -ENOTSUP;
-	}
-	pubkey.data++;
-	pubkey.len--;
-
-	/* Pick out the modulus and exponent */
-	rc = ( asn1_enter ( &pubkey, ASN1_SEQUENCE ) /* RSAPublicKey */ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate RSAPublicKey in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return -ENOTSUP;
-	}
-	memcpy ( &modulus, &pubkey, sizeof ( modulus ) );
-	rc = ( asn1_enter ( &modulus, ASN1_INTEGER ) /* modulus */ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate modulus in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return -ENOTSUP;
-	}
-	memcpy ( &exponent, &pubkey, sizeof ( exponent ) );
-	rc = ( asn1_skip ( &exponent, ASN1_INTEGER ), /* modulus */
-	       asn1_enter ( &exponent, ASN1_INTEGER ) /* publicExponent */ );
-	if ( rc != 0 ) {
-		DBG ( "Cannot locate publicExponent in:\n" );
-		DBG_HDA ( 0, certificate->data, certificate->len );
-		return -ENOTSUP;
-	}
-
-	/* Allocate space and copy out modulus and exponent */
-	rsa_pubkey->modulus = malloc ( modulus.len + exponent.len );
-	if ( ! rsa_pubkey->modulus )
-		return -ENOMEM;
-	rsa_pubkey->exponent = ( rsa_pubkey->modulus + modulus.len );
-	memcpy ( rsa_pubkey->modulus, modulus.data, modulus.len );
-	rsa_pubkey->modulus_len = modulus.len;
-	memcpy ( rsa_pubkey->exponent, exponent.data, exponent.len );
-	rsa_pubkey->exponent_len = exponent.len;
-
-	DBG2 ( "RSA modulus:\n" );
-	DBG2_HDA ( 0, rsa_pubkey->modulus, rsa_pubkey->modulus_len );
-	DBG2 ( "RSA exponent:\n" );
-	DBG2_HDA ( 0, rsa_pubkey->exponent, rsa_pubkey->exponent_len );
-
-	return 0;
-}