[apple/xnu.git] / osfmk / kern / cs_blobs.h

/*
 * Copyright (c) 2017 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef _KERN_CODESIGN_H_
#define _KERN_CODESIGN_H_

#include <stdint.h>

/* code signing attributes of a process */
#define CS_VALID                    0x00000001  /* dynamically valid */
#define CS_ADHOC                    0x00000002  /* ad hoc signed */
#define CS_GET_TASK_ALLOW           0x00000004  /* has get-task-allow entitlement */
#define CS_INSTALLER                0x00000008  /* has installer entitlement */

#define CS_FORCED_LV                0x00000010  /* Library Validation required by Hardened System Policy */
#define CS_INVALID_ALLOWED          0x00000020  /* (macOS Only) Page invalidation allowed by task port policy */

#define CS_HARD                     0x00000100  /* don't load invalid pages */
#define CS_KILL                     0x00000200  /* kill process if it becomes invalid */
#define CS_CHECK_EXPIRATION         0x00000400  /* force expiration checking */
#define CS_RESTRICT                 0x00000800  /* tell dyld to treat restricted */

#define CS_ENFORCEMENT              0x00001000  /* require enforcement */
#define CS_REQUIRE_LV               0x00002000  /* require library validation */
#define CS_ENTITLEMENTS_VALIDATED   0x00004000  /* code signature permits restricted entitlements */
#define CS_NVRAM_UNRESTRICTED       0x00008000  /* has com.apple.rootless.restricted-nvram-variables.heritable entitlement */

#define CS_RUNTIME                  0x00010000  /* Apply hardened runtime policies */
#define CS_LINKER_SIGNED            0x00020000  /* Automatically signed by the linker */

#define CS_ALLOWED_MACHO            (CS_ADHOC | CS_HARD | CS_KILL | CS_CHECK_EXPIRATION | \
	                             CS_RESTRICT | CS_ENFORCEMENT | CS_REQUIRE_LV | CS_RUNTIME | CS_LINKER_SIGNED)

#define CS_EXEC_SET_HARD            0x00100000  /* set CS_HARD on any exec'ed process */
#define CS_EXEC_SET_KILL            0x00200000  /* set CS_KILL on any exec'ed process */
#define CS_EXEC_SET_ENFORCEMENT     0x00400000  /* set CS_ENFORCEMENT on any exec'ed process */
#define CS_EXEC_INHERIT_SIP         0x00800000  /* set CS_INSTALLER on any exec'ed process */

#define CS_KILLED                   0x01000000  /* was killed by kernel for invalidity */
#define CS_DYLD_PLATFORM            0x02000000  /* dyld used to load this is a platform binary */
#define CS_PLATFORM_BINARY          0x04000000  /* this is a platform binary */
#define CS_PLATFORM_PATH            0x08000000  /* platform binary by the fact of path (osx only) */

#define CS_DEBUGGED                 0x10000000  /* process is currently or has previously been debugged and allowed to run with invalid pages */
#define CS_SIGNED                   0x20000000  /* process has a signature (may have gone invalid) */
#define CS_DEV_CODE                 0x40000000  /* code is dev signed, cannot be loaded into prod signed code (will go away with rdar://problem/28322552) */
#define CS_DATAVAULT_CONTROLLER     0x80000000  /* has Data Vault controller entitlement */

#define CS_ENTITLEMENT_FLAGS        (CS_GET_TASK_ALLOW | CS_INSTALLER | CS_DATAVAULT_CONTROLLER | CS_NVRAM_UNRESTRICTED)

/* executable segment flags */

#define CS_EXECSEG_MAIN_BINARY          0x1             /* executable segment denotes main binary */
#define CS_EXECSEG_ALLOW_UNSIGNED       0x10            /* allow unsigned pages (for debugging) */
#define CS_EXECSEG_DEBUGGER             0x20            /* main binary is debugger */
#define CS_EXECSEG_JIT                  0x40            /* JIT enabled */
#define CS_EXECSEG_SKIP_LV              0x80            /* OBSOLETE: skip library validation */
#define CS_EXECSEG_CAN_LOAD_CDHASH      0x100           /* can bless cdhash for execution */
#define CS_EXECSEG_CAN_EXEC_CDHASH      0x200           /* can execute blessed cdhash */

/*
 * Magic numbers used by Code Signing
 */
enum {
	CSMAGIC_REQUIREMENT = 0xfade0c00,               /* single Requirement blob */
	CSMAGIC_REQUIREMENTS = 0xfade0c01,              /* Requirements vector (internal requirements) */
	CSMAGIC_CODEDIRECTORY = 0xfade0c02,             /* CodeDirectory blob */
	CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */
	CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02,    /* XXX */
	CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171,     /* embedded entitlements */
	CSMAGIC_DETACHED_SIGNATURE = 0xfade0cc1, /* multi-arch collection of embedded signatures */
	CSMAGIC_BLOBWRAPPER = 0xfade0b01,       /* CMS Signature, among other things */

	CS_SUPPORTSSCATTER = 0x20100,
	CS_SUPPORTSTEAMID = 0x20200,
	CS_SUPPORTSCODELIMIT64 = 0x20300,
	CS_SUPPORTSEXECSEG = 0x20400,
	CS_SUPPORTSRUNTIME = 0x20500,
	CS_SUPPORTSLINKAGE = 0x20600,

	CSSLOT_CODEDIRECTORY = 0,                               /* slot index for CodeDirectory */
	CSSLOT_INFOSLOT = 1,
	CSSLOT_REQUIREMENTS = 2,
	CSSLOT_RESOURCEDIR = 3,
	CSSLOT_APPLICATION = 4,
	CSSLOT_ENTITLEMENTS = 5,

	CSSLOT_ALTERNATE_CODEDIRECTORIES = 0x1000, /* first alternate CodeDirectory, if any */
	CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5,         /* max number of alternate CD slots */
	CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT = CSSLOT_ALTERNATE_CODEDIRECTORIES + CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, /* one past the last */

	CSSLOT_SIGNATURESLOT = 0x10000,                 /* CMS Signature */
	CSSLOT_IDENTIFICATIONSLOT = 0x10001,
	CSSLOT_TICKETSLOT = 0x10002,

	CSTYPE_INDEX_REQUIREMENTS = 0x00000002,         /* compat with amfi */
	CSTYPE_INDEX_ENTITLEMENTS = 0x00000005,         /* compat with amfi */

	CS_HASHTYPE_SHA1 = 1,
	CS_HASHTYPE_SHA256 = 2,
	CS_HASHTYPE_SHA256_TRUNCATED = 3,
	CS_HASHTYPE_SHA384 = 4,

	CS_SHA1_LEN = 20,
	CS_SHA256_LEN = 32,
	CS_SHA256_TRUNCATED_LEN = 20,

	CS_CDHASH_LEN = 20,                                             /* always - larger hashes are truncated */
	CS_HASH_MAX_SIZE = 48, /* max size of the hash we'll support */

/*
 * Currently only to support Legacy VPN plugins, and Mac App Store
 * but intended to replace all the various platform code, dev code etc. bits.
 */
	CS_SIGNER_TYPE_UNKNOWN = 0,
	CS_SIGNER_TYPE_LEGACYVPN = 5,
	CS_SIGNER_TYPE_MAC_APP_STORE = 6,

	CS_SUPPL_SIGNER_TYPE_UNKNOWN = 0,
	CS_SUPPL_SIGNER_TYPE_TRUSTCACHE = 7,
	CS_SUPPL_SIGNER_TYPE_LOCAL = 8,
};

#define KERNEL_HAVE_CS_CODEDIRECTORY 1
#define KERNEL_CS_CODEDIRECTORY_HAVE_PLATFORM 1

/*
 * C form of a CodeDirectory.
 */
typedef struct __CodeDirectory {
	uint32_t magic;                                 /* magic number (CSMAGIC_CODEDIRECTORY) */
	uint32_t length;                                /* total length of CodeDirectory blob */
	uint32_t version;                               /* compatibility version */
	uint32_t flags;                                 /* setup and mode flags */
	uint32_t hashOffset;                    /* offset of hash slot element at index zero */
	uint32_t identOffset;                   /* offset of identifier string */
	uint32_t nSpecialSlots;                 /* number of special hash slots */
	uint32_t nCodeSlots;                    /* number of ordinary (code) hash slots */
	uint32_t codeLimit;                             /* limit to main image signature range */
	uint8_t hashSize;                               /* size of each hash in bytes */
	uint8_t hashType;                               /* type of hash (cdHashType* constants) */
	uint8_t platform;                               /* platform identifier; zero if not platform binary */
	uint8_t pageSize;                               /* log2(page size in bytes); 0 => infinite */
	uint32_t spare2;                                /* unused (must be zero) */

	char end_earliest[0];

	/* Version 0x20100 */
	uint32_t scatterOffset;                 /* offset of optional scatter vector */
	char end_withScatter[0];

	/* Version 0x20200 */
	uint32_t teamOffset;                    /* offset of optional team identifier */
	char end_withTeam[0];

	/* Version 0x20300 */
	uint32_t spare3;                                /* unused (must be zero) */
	uint64_t codeLimit64;                   /* limit to main image signature range, 64 bits */
	char end_withCodeLimit64[0];

	/* Version 0x20400 */
	uint64_t execSegBase;                   /* offset of executable segment */
	uint64_t execSegLimit;                  /* limit of executable segment */
	uint64_t execSegFlags;                  /* executable segment flags */
	char end_withExecSeg[0];
	/* Version 0x20500 */
	uint32_t runtime;
	uint32_t preEncryptOffset;
	char end_withPreEncryptOffset[0];

	/* Version 0x20600 */
	uint8_t linkageHashType;
	uint8_t linkageTruncated;
	uint16_t spare4;
	uint32_t linkageOffset;
	uint32_t linkageSize;
	char end_withLinkage[0];


	/* followed by dynamic content as located by offset fields above */
} CS_CodeDirectory
__attribute__ ((aligned(1)));

/*
 * Structure of an embedded-signature SuperBlob
 */

typedef struct __BlobIndex {
	uint32_t type;                                  /* type of entry */
	uint32_t offset;                                /* offset of entry */
} CS_BlobIndex
__attribute__ ((aligned(1)));

typedef struct __SC_SuperBlob {
	uint32_t magic;                                 /* magic number */
	uint32_t length;                                /* total length of SuperBlob */
	uint32_t count;                                 /* number of index entries following */
	CS_BlobIndex index[];                   /* (count) entries */
	/* followed by Blobs in no particular order as indicated by offsets in index */
} CS_SuperBlob
__attribute__ ((aligned(1)));

#define KERNEL_HAVE_CS_GENERICBLOB 1
typedef struct __SC_GenericBlob {
	uint32_t magic;                                 /* magic number */
	uint32_t length;                                /* total length of blob */
	char data[];
} CS_GenericBlob
__attribute__ ((aligned(1)));

typedef struct __SC_Scatter {
	uint32_t count;                                 // number of pages; zero for sentinel (only)
	uint32_t base;                                  // first page number
	uint64_t targetOffset;                  // offset in target
	uint64_t spare;                                 // reserved
} SC_Scatter
__attribute__ ((aligned(1)));


#endif /* _KERN_CODESIGN_H */
Commit	Line	Data
5ba3f43e A	1	/*
	2	* Copyright (c) 2017 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28
	29	#ifndef _KERN_CODESIGN_H_
	30	#define _KERN_CODESIGN_H_
	31
f427ee49 A	32	#include <stdint.h>
f427ee49 A	33
5ba3f43e	34	/* code signing attributes of a process */
d9a64523 A	35	#define CS_VALID 0x00000001 /* dynamically valid */
	36	#define CS_ADHOC 0x00000002 /* ad hoc signed */
	37	#define CS_GET_TASK_ALLOW 0x00000004 /* has get-task-allow entitlement */
	38	#define CS_INSTALLER 0x00000008 /* has installer entitlement */
	39
	40	#define CS_FORCED_LV 0x00000010 /* Library Validation required by Hardened System Policy */
	41	#define CS_INVALID_ALLOWED 0x00000020 /* (macOS Only) Page invalidation allowed by task port policy */
	42
	43	#define CS_HARD 0x00000100 /* don't load invalid pages */
	44	#define CS_KILL 0x00000200 /* kill process if it becomes invalid */
	45	#define CS_CHECK_EXPIRATION 0x00000400 /* force expiration checking */
	46	#define CS_RESTRICT 0x00000800 /* tell dyld to treat restricted */
	47
	48	#define CS_ENFORCEMENT 0x00001000 /* require enforcement */
	49	#define CS_REQUIRE_LV 0x00002000 /* require library validation */
	50	#define CS_ENTITLEMENTS_VALIDATED 0x00004000 /* code signature permits restricted entitlements */
	51	#define CS_NVRAM_UNRESTRICTED 0x00008000 /* has com.apple.rootless.restricted-nvram-variables.heritable entitlement */
	52
f427ee49 A	53	#define CS_RUNTIME 0x00010000 /* Apply hardened runtime policies */
f427ee49 A	54	#define CS_LINKER_SIGNED 0x00020000 /* Automatically signed by the linker */
d9a64523 A	55
d9a64523 A	56	#define CS_ALLOWED_MACHO (CS_ADHOC \| CS_HARD \| CS_KILL \| CS_CHECK_EXPIRATION \| \
f427ee49	57	CS_RESTRICT \| CS_ENFORCEMENT \| CS_REQUIRE_LV \| CS_RUNTIME \| CS_LINKER_SIGNED)
d9a64523 A	58
	59	#define CS_EXEC_SET_HARD 0x00100000 /* set CS_HARD on any exec'ed process */
	60	#define CS_EXEC_SET_KILL 0x00200000 /* set CS_KILL on any exec'ed process */
	61	#define CS_EXEC_SET_ENFORCEMENT 0x00400000 /* set CS_ENFORCEMENT on any exec'ed process */
	62	#define CS_EXEC_INHERIT_SIP 0x00800000 /* set CS_INSTALLER on any exec'ed process */
	63
	64	#define CS_KILLED 0x01000000 /* was killed by kernel for invalidity */
	65	#define CS_DYLD_PLATFORM 0x02000000 /* dyld used to load this is a platform binary */
	66	#define CS_PLATFORM_BINARY 0x04000000 /* this is a platform binary */
	67	#define CS_PLATFORM_PATH 0x08000000 /* platform binary by the fact of path (osx only) */
	68
	69	#define CS_DEBUGGED 0x10000000 /* process is currently or has previously been debugged and allowed to run with invalid pages */
	70	#define CS_SIGNED 0x20000000 /* process has a signature (may have gone invalid) */
	71	#define CS_DEV_CODE 0x40000000 /* code is dev signed, cannot be loaded into prod signed code (will go away with rdar://problem/28322552) */
	72	#define CS_DATAVAULT_CONTROLLER 0x80000000 /* has Data Vault controller entitlement */
	73
	74	#define CS_ENTITLEMENT_FLAGS (CS_GET_TASK_ALLOW \| CS_INSTALLER \| CS_DATAVAULT_CONTROLLER \| CS_NVRAM_UNRESTRICTED)
5ba3f43e A	75
	76	/* executable segment flags */
	77
f427ee49	78	#define CS_EXECSEG_MAIN_BINARY 0x1 /* executable segment denotes main binary */
0a7de745	79	#define CS_EXECSEG_ALLOW_UNSIGNED 0x10 /* allow unsigned pages (for debugging) */
f427ee49 A	80	#define CS_EXECSEG_DEBUGGER 0x20 /* main binary is debugger */
	81	#define CS_EXECSEG_JIT 0x40 /* JIT enabled */
	82	#define CS_EXECSEG_SKIP_LV 0x80 /* OBSOLETE: skip library validation */
0a7de745 A	83	#define CS_EXECSEG_CAN_LOAD_CDHASH 0x100 /* can bless cdhash for execution */
0a7de745 A	84	#define CS_EXECSEG_CAN_EXEC_CDHASH 0x200 /* can execute blessed cdhash */
5ba3f43e A	85
	86	/*
	87	* Magic numbers used by Code Signing
	88	*/
	89	enum {
0a7de745 A	90	CSMAGIC_REQUIREMENT = 0xfade0c00, /* single Requirement blob */
	91	CSMAGIC_REQUIREMENTS = 0xfade0c01, /* Requirements vector (internal requirements) */
	92	CSMAGIC_CODEDIRECTORY = 0xfade0c02, /* CodeDirectory blob */
5ba3f43e	93	CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */
0a7de745 A	94	CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02, /* XXX */
0a7de745 A	95	CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171, /* embedded entitlements */
5ba3f43e	96	CSMAGIC_DETACHED_SIGNATURE = 0xfade0cc1, /* multi-arch collection of embedded signatures */
0a7de745	97	CSMAGIC_BLOBWRAPPER = 0xfade0b01, /* CMS Signature, among other things */
5ba3f43e A	98
	99	CS_SUPPORTSSCATTER = 0x20100,
	100	CS_SUPPORTSTEAMID = 0x20200,
	101	CS_SUPPORTSCODELIMIT64 = 0x20300,
	102	CS_SUPPORTSEXECSEG = 0x20400,
f427ee49 A	103	CS_SUPPORTSRUNTIME = 0x20500,
f427ee49 A	104	CS_SUPPORTSLINKAGE = 0x20600,
5ba3f43e	105
0a7de745	106	CSSLOT_CODEDIRECTORY = 0, /* slot index for CodeDirectory */
5ba3f43e A	107	CSSLOT_INFOSLOT = 1,
	108	CSSLOT_REQUIREMENTS = 2,
	109	CSSLOT_RESOURCEDIR = 3,
	110	CSSLOT_APPLICATION = 4,
	111	CSSLOT_ENTITLEMENTS = 5,
	112
	113	CSSLOT_ALTERNATE_CODEDIRECTORIES = 0x1000, /* first alternate CodeDirectory, if any */
0a7de745	114	CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5, /* max number of alternate CD slots */
5ba3f43e A	115	CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT = CSSLOT_ALTERNATE_CODEDIRECTORIES + CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, /* one past the last */
5ba3f43e A	116
0a7de745	117	CSSLOT_SIGNATURESLOT = 0x10000, /* CMS Signature */
d9a64523 A	118	CSSLOT_IDENTIFICATIONSLOT = 0x10001,
d9a64523 A	119	CSSLOT_TICKETSLOT = 0x10002,
5ba3f43e	120
0a7de745 A	121	CSTYPE_INDEX_REQUIREMENTS = 0x00000002, /* compat with amfi */
0a7de745 A	122	CSTYPE_INDEX_ENTITLEMENTS = 0x00000005, /* compat with amfi */
5ba3f43e A	123
	124	CS_HASHTYPE_SHA1 = 1,
	125	CS_HASHTYPE_SHA256 = 2,
	126	CS_HASHTYPE_SHA256_TRUNCATED = 3,
	127	CS_HASHTYPE_SHA384 = 4,
	128
	129	CS_SHA1_LEN = 20,
	130	CS_SHA256_LEN = 32,
	131	CS_SHA256_TRUNCATED_LEN = 20,
	132
0a7de745	133	CS_CDHASH_LEN = 20, /* always - larger hashes are truncated */
5ba3f43e A	134	CS_HASH_MAX_SIZE = 48, /* max size of the hash we'll support */
	135
	136	/*
4ba76501	137	* Currently only to support Legacy VPN plugins, and Mac App Store
5ba3f43e A	138	* but intended to replace all the various platform code, dev code etc. bits.
	139	*/
	140	CS_SIGNER_TYPE_UNKNOWN = 0,
	141	CS_SIGNER_TYPE_LEGACYVPN = 5,
4ba76501	142	CS_SIGNER_TYPE_MAC_APP_STORE = 6,
f427ee49 A	143
	144	CS_SUPPL_SIGNER_TYPE_UNKNOWN = 0,
	145	CS_SUPPL_SIGNER_TYPE_TRUSTCACHE = 7,
	146	CS_SUPPL_SIGNER_TYPE_LOCAL = 8,
5ba3f43e A	147	};
	148
	149	#define KERNEL_HAVE_CS_CODEDIRECTORY 1
	150	#define KERNEL_CS_CODEDIRECTORY_HAVE_PLATFORM 1
	151
	152	/*
	153	* C form of a CodeDirectory.
	154	*/
	155	typedef struct __CodeDirectory {
0a7de745 A	156	uint32_t magic; /* magic number (CSMAGIC_CODEDIRECTORY) */
	157	uint32_t length; /* total length of CodeDirectory blob */
	158	uint32_t version; /* compatibility version */
	159	uint32_t flags; /* setup and mode flags */
	160	uint32_t hashOffset; /* offset of hash slot element at index zero */
	161	uint32_t identOffset; /* offset of identifier string */
	162	uint32_t nSpecialSlots; /* number of special hash slots */
	163	uint32_t nCodeSlots; /* number of ordinary (code) hash slots */
	164	uint32_t codeLimit; /* limit to main image signature range */
	165	uint8_t hashSize; /* size of each hash in bytes */
	166	uint8_t hashType; /* type of hash (cdHashType* constants) */
	167	uint8_t platform; /* platform identifier; zero if not platform binary */
	168	uint8_t pageSize; /* log2(page size in bytes); 0 => infinite */
	169	uint32_t spare2; /* unused (must be zero) */
5ba3f43e A	170
	171	char end_earliest[0];
	172
	173	/* Version 0x20100 */
0a7de745	174	uint32_t scatterOffset; /* offset of optional scatter vector */
5ba3f43e A	175	char end_withScatter[0];
	176
	177	/* Version 0x20200 */
0a7de745	178	uint32_t teamOffset; /* offset of optional team identifier */
5ba3f43e A	179	char end_withTeam[0];
	180
	181	/* Version 0x20300 */
0a7de745 A	182	uint32_t spare3; /* unused (must be zero) */
0a7de745 A	183	uint64_t codeLimit64; /* limit to main image signature range, 64 bits */
5ba3f43e A	184	char end_withCodeLimit64[0];
	185
	186	/* Version 0x20400 */
0a7de745 A	187	uint64_t execSegBase; /* offset of executable segment */
	188	uint64_t execSegLimit; /* limit of executable segment */
	189	uint64_t execSegFlags; /* executable segment flags */
5ba3f43e	190	char end_withExecSeg[0];
f427ee49 A	191	/* Version 0x20500 */
	192	uint32_t runtime;
	193	uint32_t preEncryptOffset;
	194	char end_withPreEncryptOffset[0];
	195
	196	/* Version 0x20600 */
	197	uint8_t linkageHashType;
	198	uint8_t linkageTruncated;
	199	uint16_t spare4;
	200	uint32_t linkageOffset;
	201	uint32_t linkageSize;
	202	char end_withLinkage[0];
	203
5ba3f43e A	204
	205	/* followed by dynamic content as located by offset fields above */
	206	} CS_CodeDirectory
	207	__attribute__ ((aligned(1)));
	208
	209	/*
	210	* Structure of an embedded-signature SuperBlob
	211	*/
	212
	213	typedef struct __BlobIndex {
0a7de745 A	214	uint32_t type; /* type of entry */
0a7de745 A	215	uint32_t offset; /* offset of entry */
5ba3f43e A	216	} CS_BlobIndex
	217	__attribute__ ((aligned(1)));
	218
	219	typedef struct __SC_SuperBlob {
0a7de745 A	220	uint32_t magic; /* magic number */
	221	uint32_t length; /* total length of SuperBlob */
	222	uint32_t count; /* number of index entries following */
	223	CS_BlobIndex index[]; /* (count) entries */
5ba3f43e A	224	/* followed by Blobs in no particular order as indicated by offsets in index */
	225	} CS_SuperBlob
	226	__attribute__ ((aligned(1)));
	227
	228	#define KERNEL_HAVE_CS_GENERICBLOB 1
	229	typedef struct __SC_GenericBlob {
0a7de745 A	230	uint32_t magic; /* magic number */
0a7de745 A	231	uint32_t length; /* total length of blob */
5ba3f43e A	232	char data[];
	233	} CS_GenericBlob
	234	__attribute__ ((aligned(1)));
	235
	236	typedef struct __SC_Scatter {
0a7de745 A	237	uint32_t count; // number of pages; zero for sentinel (only)
	238	uint32_t base; // first page number
	239	uint64_t targetOffset; // offset in target
	240	uint64_t spare; // reserved
5ba3f43e A	241	} SC_Scatter
	242	__attribute__ ((aligned(1)));
	243
	244
	245	#endif /* _KERN_CODESIGN_H */