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Diffstat (limited to 'include/iprt/crypto/applecodesign.h')
| -rw-r--r-- | include/iprt/crypto/applecodesign.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/include/iprt/crypto/applecodesign.h b/include/iprt/crypto/applecodesign.h new file mode 100644 index 00000000..e4a069ea --- /dev/null +++ b/include/iprt/crypto/applecodesign.h @@ -0,0 +1,275 @@ +/** @file + * IPRT - Apple Code Signing Structures and APIs. + */ + +/* + * Copyright (C) 2018-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef IPRT_INCLUDED_crypto_applecodesign_h +#define IPRT_INCLUDED_crypto_applecodesign_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/types.h> +#include <iprt/assertcompile.h> +#include <iprt/crypto/pkcs7.h> + +/** @defgroup grp_rt_craplcs RTCrAppleCs - Apple Code Signing + * @ingroup grp_rt_crypto + * @{ + */ + +/** Apple developer ID for application signing. */ +#define RTCR_APPLE_CS_DEVID_APPLICATION_OID "1.2.840.113635.100.6.1.13" +/** Apple developer ID for installer signing. */ +#define RTCR_APPLE_CS_DEVID_INSTALLER_OID "1.2.840.113635.100.6.1.14" +/** Apple developer ID for kernel extension signing. */ +#define RTCR_APPLE_CS_DEVID_KEXT_OID "1.2.840.113635.100.6.1.18" +/** Apple certificate policy OID. */ +#define RTCR_APPLE_CS_CERTIFICATE_POLICY_OID "1.2.840.113635.100.5.1" + + +/** @name RTCRAPLCS_MAGIC_XXX - Apple code signing magic values for identifying blobs + * @note No byte order conversion required. + * @{ */ +#define RTCRAPLCS_MAGIC_BLOBWRAPPER RT_N2H_U32_C(UINT32_C(0xfade0b01)) +#define RTCRAPLCS_MAGIC_EMBEDDED_SIGNATURE_OLD RT_N2H_U32_C(UINT32_C(0xfade0b02)) +#define RTCRAPLCS_MAGIC_REQUIREMENT RT_N2H_U32_C(UINT32_C(0xfade0c00)) +#define RTCRAPLCS_MAGIC_REQUIREMENTS RT_N2H_U32_C(UINT32_C(0xfade0c01)) +#define RTCRAPLCS_MAGIC_CODEDIRECTORY RT_N2H_U32_C(UINT32_C(0xfade0c02)) +#define RTCRAPLCS_MAGIC_EMBEDDED_SIGNATURE RT_N2H_U32_C(UINT32_C(0xfade0cc0)) +#define RTCRAPLCS_MAGIC_DETACHED_SIGNATURE RT_N2H_U32_C(UINT32_C(0xfade0cc1)) +/** @} */ + +/** @name Apple code signing versions. + * @note Requires byte order conversion of the field value. That way + * greater-than and less-than comparisons works correctly. + * @{ */ +#define RTCRAPLCS_VER_2_0 UINT32_C(0x00020000) +#define RTCRAPLCS_VER_SUPPORTS_SCATTER UINT32_C(0x00020100) +#define RTCRAPLCS_VER_SUPPORTS_TEAMID UINT32_C(0x00020200) +#define RTCRAPLCS_VER_SUPPORTS_CODE_LIMIT_64 UINT32_C(0x00020300) +#define RTCRAPLCS_VER_SUPPORTS_EXEC_SEG UINT32_C(0x00020400) +/** @} */ + +/** @name RTCRAPLCS_SLOT_XXX - Apple code signing slots. + * @note No byte order conversion required. + * @{ */ +#define RTCRAPLCS_SLOT_CODEDIRECTORY RT_N2H_U32_C(UINT32_C(0x00000000)) +#define RTCRAPLCS_SLOT_INFO RT_N2H_U32_C(UINT32_C(0x00000001)) +#define RTCRAPLCS_SLOT_REQUIREMENTS RT_N2H_U32_C(UINT32_C(0x00000002)) +#define RTCRAPLCS_SLOT_RESOURCEDIR RT_N2H_U32_C(UINT32_C(0x00000003)) +#define RTCRAPLCS_SLOT_APPLICATION RT_N2H_U32_C(UINT32_C(0x00000004)) +#define RTCRAPLCS_SLOT_ENTITLEMENTS RT_N2H_U32_C(UINT32_C(0x00000005)) +#define RTCRAPLCS_SLOT_ALTERNATE_CODEDIRECTORIES RT_N2H_U32_C(UINT32_C(0x00001000)) +#define RTCRAPLCS_SLOT_ALTERNATE_CODEDIRECTORIES_END RT_N2H_U32_C(UINT32_C(0x00001005)) +#define RTCRAPLCS_SLOT_ALTERNATE_CODEDIRECTORIES_COUNT UINT32_C(0x00000005) +#define RTCRAPLCS_SLOT_ALTERNATE_CODEDIRECTORY_INC RT_N2H_U32_C(UINT32_C(0x00000001)) +/** The signature. + * This is simply a RTCRAPLCSHDR/RTCRAPLCS_MAGIC_BLOBWRAPPER followed by a DER + * encoded \#PKCS7 ContentInfo structure containing signedData. The inner + * signedData structure signs external data, so its ContentInfo member is set + * to 1.2.840.113549.1.7.1 and has no data. */ +#define RTCRAPLCS_SLOT_SIGNATURE RT_N2H_U32_C(UINT32_C(0x00010000)) +/** @} */ + +/** @name RTCRAPLCS_HASHTYPE_XXX - Apple code signing hash types + * @note Byte sized field, so no byte order concerns. + * @{ */ +#define RTCRAPLCS_HASHTYPE_SHA1 UINT8_C(1) +#define RTCRAPLCS_HASHTYPE_SHA256 UINT8_C(2) +#define RTCRAPLCS_HASHTYPE_SHA256_TRUNCATED UINT8_C(3) /**< Truncated to 20 bytes (SHA1 size). */ +#define RTCRAPLCS_HASHTYPE_SHA384 UINT8_C(4) +/** @} */ + + +/** + * Apple code signing blob header. + */ +typedef struct RTCRAPLCSHDR +{ + /** The magic value (RTCRAPLCS_MAGIC_XXX). + * (Big endian, but constant are big endian already.) */ + uint32_t uMagic; + /** The total length of the blob. Big endian. */ + uint32_t cb; +} RTCRAPLCSHDR; +AssertCompileSize(RTCRAPLCSHDR, 8); +/** Pointer to a CS blob header. */ +typedef RTCRAPLCSHDR *PRTCRAPLCSHDR; +/** Pointer to a const CS blob header. */ +typedef RTCRAPLCSHDR const *PCRTCRAPLCSHDR; + +/** + * Apple code signing super blob slot. + */ +typedef struct RTCRAPLCSBLOBSLOT +{ + /** Slot type, RTCRAPLCS_SLOT_XXX. + * (Big endian, but so are the constants too). */ + uint32_t uType; + /** Data offset. Big endian. */ + uint32_t offData; +} RTCRAPLCSBLOBSLOT; +AssertCompileSize(RTCRAPLCSBLOBSLOT, 8); +/** Pointer to a super blob slot. */ +typedef RTCRAPLCSBLOBSLOT *PRTCRAPLCSBLOBSLOT; +/** Pointer to a const super blob slot. */ +typedef RTCRAPLCSBLOBSLOT const *PCRTCRAPLCSBLOBSLOT; + +/** + * Apple code signing super blob. + */ +typedef struct RTCRAPLCSSUPERBLOB +{ + /** Header (uMagic = RTCRAPLCS_MAGIC_EMBEDDED_SIGNATURE? + * or RTCRAPLCS_MAGIC_EMBEDDED_SIGNATURE_OLD? ). */ + RTCRAPLCSHDR Hdr; + /** Number of slots. Big endian. */ + uint32_t cSlots; + /** Slots. */ + RTCRAPLCSBLOBSLOT aSlots[RT_FLEXIBLE_ARRAY]; +} RTCRAPLCSSUPERBLOB; +AssertCompileMemberOffset(RTCRAPLCSSUPERBLOB, aSlots, 12); +/** Pointer to a CS super blob. */ +typedef RTCRAPLCSSUPERBLOB *PRTCRAPLCSSUPERBLOB; +/** Pointer to a const CS super blob. */ +typedef RTCRAPLCSSUPERBLOB const *PCRTCRAPLCSSUPERBLOB; + +/** + * Code directory (RTCRAPLCS_MAGIC_CODEDIRECTORY). + */ +typedef struct RTCRAPLCSCODEDIRECTORY +{ + /** 0x00: Header (uMagic = RTCRAPLCS_MAGIC_CODEDIRECTORY). */ + RTCRAPLCSHDR Hdr; + /** 0x08: The version number (RTCRAPLCS_VER_XXX). + * @note Big endian, host order constants. */ + uint32_t uVersion; + /** 0x0c: Flags & mode, RTCRAPLCS_???. (Big endian. ) */ + uint32_t fFlags; + /** 0x10: Offset of the hash slots. Big endian. + * Special slots found below this offset, code slots at and after. */ + uint32_t offHashSlots; + /** 0x14: Offset of the identifier string. Big endian. */ + uint32_t offIdentifier; + /** 0x18: Number of special hash slots. Hubertus Bigend style. */ + uint32_t cSpecialSlots; + /** 0x1c: Number of code hash slots. Big endian. */ + uint32_t cCodeSlots; + /** 0x20: Number of bytes of code that's covered, 32-bit wide. Big endian. */ + uint32_t cbCodeLimit32; + /** 0x24: The hash size. */ + uint8_t cbHash; + /** 0x25: The hash type (RTCRAPLCS_HASHTYPE_XXX). */ + uint8_t bHashType; + /** 0x26: Platform identifier or zero. */ + uint8_t idPlatform; + /** 0x27: The page shift value. zero if infinite page size. */ + uint8_t cPageShift; + /** 0x28: Spare field, MBZ. */ + uint32_t uUnused1; + /** 0x2c: Offset of scatter vector (optional). Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_SCATTER */ + uint32_t offScatter; + /** 0x30: Offset of team identifier (optional). Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_TEAMID */ + uint32_t offTeamId; + /** 0x34: Unused field, MBZ. + * @since RTCRAPLCS_VER_SUPPORTS_CODE_LIMIT_64 */ + uint32_t uUnused2; + /** 0x38: Number of bytes of code that's covered, 64-bit wide. Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_CODE_LIMIT_64 */ + uint64_t cbCodeLimit64; + /** 0x40: File offset of the first segment. Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_EXEC_SEG */ + uint64_t offExecSeg; + /** 0x48: The size of the first segment. Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_EXEC_SEG */ + uint64_t cbExecSeg; + /** 0x50: Flags for the first segment. Big endian. + * @since RTCRAPLCS_VER_SUPPORTS_EXEC_SEG */ + uint64_t fExecSeg; +} RTCRAPLCSCODEDIRECTORY; +AssertCompileSize(RTCRAPLCSCODEDIRECTORY, 0x58); +/** Pointer to a CS code directory. */ +typedef RTCRAPLCSCODEDIRECTORY *PRTCRAPLCSCODEDIRECTORY; +/** Pointer to a const CS code directory. */ +typedef RTCRAPLCSCODEDIRECTORY const *PCRTCRAPLCSCODEDIRECTORY; + + +/** + * IPRT structure for working with an Apple code signing blob. + */ +typedef struct RTCRAPLCS +{ + uint8_t const *pbBlob; + size_t cbBlob; + size_t auReserved[4]; +} RTCRAPLCS; +/** Pointer to an IPRT CS blob descriptor. */ +typedef RTCRAPLCS *PRTCRAPLCS; + +/** + * Initialize a RTCRAPLCS descriptor and validate the blob data. + * + * @returns IPRT status code. + * @param pDesc The descirptor to initialize. + * @param pvBlob The blob bytes. + * @param cbBlob The number of bytes in the blob. + * @param fFlags Future validation flags, MBZ. + * @param pErrInfo Where to return additional error details. Optional. + */ +RTDECL(int) RTCrAppleCsInit(PRTCRAPLCS pDesc, void const *pvBlob, size_t cbBlob, uint32_t fFlags, PRTERRINFO pErrInfo); + +/** + * Callback used by RTCrAppleCsVerifyImage to digest a section of the image. + * + * @return IPRT status code. + * @param hDigest The digest to feed the bytes to. + * @param off The RVA of the bytes to digest. + * @param cb Number of bytes to digest. + * @param pvUser User argument. + */ +typedef DECLCALLBACK(int) FNRTCRAPPLECSDIGESTAREA(RTCRDIGEST hDigest, size_t off, size_t cb, void *pvUser); +/** Pointer to a image digest callback. */ +typedef FNRTCRAPPLECSDIGESTAREA *PFNRTCRAPPLECSDIGESTAREA; + +/** + * Verifies an image against the given signature blob. + * + * @return IPRT status code. + * @param pDesc The apple code signing blob to verify against. + * @param fFlags Future verification flags, MBZ. + * @param pfnCallback Image digest callback. + * @param pvUser User argument for the callback. + * @param pErrInfo Where to return additional error details. Optional. + */ +RTDECL(int) RTCrAppleCsVerifyImage(PRTCRAPLCS pDesc, uint32_t fFlags, PFNRTCRAPPLECSDIGESTAREA pfnCallback, + void *pvUser, PRTERRINFO pErrInfo); + +RTDECL(int) RTCrAppleCsQuerySigneddData(PRTCRAPLCS pDesc, PRTCRPKCS7SIGNEDDATA pSignedData, PRTERRINFO pErrInfo); + +/** @} */ + +#endif /* !IPRT_INCLUDED_crypto_applecodesign_h */ + |