diff options
Diffstat (limited to 'qemu/roms/ipxe/src/crypto/rootcert.c')
| -rw-r--r-- | qemu/roms/ipxe/src/crypto/rootcert.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/qemu/roms/ipxe/src/crypto/rootcert.c b/qemu/roms/ipxe/src/crypto/rootcert.c deleted file mode 100644 index 00ea1647e..000000000 --- a/qemu/roms/ipxe/src/crypto/rootcert.c +++ /dev/null @@ -1,123 +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., 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 <stdlib.h> -#include <ipxe/crypto.h> -#include <ipxe/sha256.h> -#include <ipxe/x509.h> -#include <ipxe/settings.h> -#include <ipxe/dhcp.h> -#include <ipxe/init.h> -#include <ipxe/rootcert.h> - -/** @file - * - * Root certificate store - * - */ - -/** Length of a root certificate fingerprint */ -#define FINGERPRINT_LEN SHA256_DIGEST_SIZE - -/* Allow trusted certificates to be overridden if not explicitly specified */ -#ifdef TRUSTED -#define ALLOW_TRUST_OVERRIDE 0 -#else -#define ALLOW_TRUST_OVERRIDE 1 -#endif - -/* Use iPXE root CA if no trusted certificates are explicitly specified */ -#ifndef TRUSTED -#define TRUSTED \ - /* iPXE root CA */ \ - 0x9f, 0xaf, 0x71, 0x7b, 0x7f, 0x8c, 0xa2, 0xf9, 0x3c, 0x25, \ - 0x6c, 0x79, 0xf8, 0xac, 0x55, 0x91, 0x89, 0x5d, 0x66, 0xd1, \ - 0xff, 0x3b, 0xee, 0x63, 0x97, 0xa7, 0x0d, 0x29, 0xc6, 0x5e, \ - 0xed, 0x1a, -#endif - -/** Root certificate fingerprints */ -static const uint8_t fingerprints[] = { TRUSTED }; - -/** Root certificate fingerprint setting */ -static struct setting trust_setting __setting ( SETTING_CRYPTO, trust ) = { - .name = "trust", - .description = "Trusted root certificate fingerprints", - .tag = DHCP_EB_TRUST, - .type = &setting_type_hex, -}; - -/** Root certificates */ -struct x509_root root_certificates = { - .digest = &sha256_algorithm, - .count = ( sizeof ( fingerprints ) / FINGERPRINT_LEN ), - .fingerprints = fingerprints, -}; - -/** - * Initialise root certificate - * - * The list of trusted root certificates can be specified at build - * time using the TRUST= build parameter. If no certificates are - * specified, then the default iPXE root CA certificate is trusted. - * - * If no certificates were explicitly specified, then we allow the - * list of trusted root certificate fingerprints to be overridden - * using the "trust" setting, but only at the point of iPXE - * initialisation. This prevents untrusted sources of settings - * (e.g. DHCP) from subverting the chain of trust, while allowing - * trustworthy sources (e.g. VMware GuestInfo or non-volatile stored - * options) to specify the trusted root certificate without requiring - * a rebuild. - */ -static void rootcert_init ( void ) { - void *external = NULL; - int len; - - /* Allow trusted root certificates to be overridden only if - * not explicitly specified at build time. - */ - if ( ALLOW_TRUST_OVERRIDE ) { - - /* Fetch copy of "trust" setting, if it exists. This - * memory will never be freed. - */ - if ( ( len = fetch_raw_setting_copy ( NULL, &trust_setting, - &external ) ) >= 0 ) { - root_certificates.fingerprints = external; - root_certificates.count = ( len / FINGERPRINT_LEN ); - } - } - - DBGC ( &root_certificates, "ROOTCERT using %d %s certificate(s):\n", - root_certificates.count, ( external ? "external" : "built-in" )); - DBGC_HDA ( &root_certificates, 0, root_certificates.fingerprints, - ( root_certificates.count * FINGERPRINT_LEN ) ); -} - -/** Root certificate initialiser */ -struct init_fn rootcert_init_fn __init_fn ( INIT_LATE ) = { - .initialise = rootcert_init, -}; |