Initial import

1 files changed, 248 insertions, 0 deletions

diff --git a/machoparse/cs_blobs.h b/machoparse/cs_blobs.h
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+++ b/machoparse/cs_blobs.h
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+/*
+ * 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_NO_UNTRUSTED_HELPERS     0x02000000  /* kernel did not load a non-platform-binary dyld or Rosetta runtime */
+#define CS_DYLD_PLATFORM            CS_NO_UNTRUSTED_HELPERS /* old name */
+#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_EMBEDDED_DER_ENTITLEMENTS = 0xfade7172, /* embedded DER encoded 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_DER_ENTITLEMENTS = 7,
+
+	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 */