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https://github.com/darlinghq/darling.git
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279 lines
11 KiB
C
279 lines
11 KiB
C
/*
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* Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SYS_CODESIGN_H_
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#define _SYS_CODESIGN_H_
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/* code signing attributes of a process */
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#define CS_VALID 0x0000001 /* dynamically valid */
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#define CS_ADHOC 0x0000002 /* ad hoc signed */
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#define CS_GET_TASK_ALLOW 0x0000004 /* has get-task-allow entitlement */
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#define CS_INSTALLER 0x0000008 /* has installer entitlement */
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#define CS_HARD 0x0000100 /* don't load invalid pages */
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#define CS_KILL 0x0000200 /* kill process if it becomes invalid */
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#define CS_CHECK_EXPIRATION 0x0000400 /* force expiration checking */
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#define CS_RESTRICT 0x0000800 /* tell dyld to treat restricted */
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#define CS_ENFORCEMENT 0x0001000 /* require enforcement */
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#define CS_REQUIRE_LV 0x0002000 /* require library validation */
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#define CS_ENTITLEMENTS_VALIDATED 0x0004000 /* code signature permits restricted entitlements */
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#define CS_ALLOWED_MACHO (CS_ADHOC | CS_HARD | CS_KILL | CS_CHECK_EXPIRATION | CS_RESTRICT | CS_ENFORCEMENT | CS_REQUIRE_LV)
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#define CS_EXEC_SET_HARD 0x0100000 /* set CS_HARD on any exec'ed process */
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#define CS_EXEC_SET_KILL 0x0200000 /* set CS_KILL on any exec'ed process */
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#define CS_EXEC_SET_ENFORCEMENT 0x0400000 /* set CS_ENFORCEMENT on any exec'ed process */
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#define CS_EXEC_SET_INSTALLER 0x0800000 /* set CS_INSTALLER on any exec'ed process */
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#define CS_KILLED 0x1000000 /* was killed by kernel for invalidity */
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#define CS_DYLD_PLATFORM 0x2000000 /* dyld used to load this is a platform binary */
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#define CS_PLATFORM_BINARY 0x4000000 /* this is a platform binary */
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#define CS_PLATFORM_PATH 0x8000000 /* platform binary by the fact of path (osx only) */
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#define CS_DEBUGGED 0x10000000 /* process is currently or has previously been debugged and allowed to run with invalid pages */
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#define CS_SIGNED 0x20000000 /* process has a signature (may have gone invalid) */
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#define CS_DEV_CODE 0x40000000 /* code is dev signed, cannot be loaded into prod signed code (will go away with rdar://problem/28322552) */
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#define CS_ENTITLEMENT_FLAGS (CS_GET_TASK_ALLOW | CS_INSTALLER)
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/* MAC flags used by F_ADDFILESIGS_* */
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#define MAC_VNODE_CHECK_DYLD_SIM 0x1 /* tells the MAC framework that dyld-sim is being loaded */
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/* csops operations */
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#define CS_OPS_STATUS 0 /* return status */
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#define CS_OPS_MARKINVALID 1 /* invalidate process */
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#define CS_OPS_MARKHARD 2 /* set HARD flag */
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#define CS_OPS_MARKKILL 3 /* set KILL flag (sticky) */
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#ifdef KERNEL_PRIVATE
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/* CS_OPS_PIDPATH 4 */
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#endif
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#define CS_OPS_CDHASH 5 /* get code directory hash */
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#define CS_OPS_PIDOFFSET 6 /* get offset of active Mach-o slice */
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#define CS_OPS_ENTITLEMENTS_BLOB 7 /* get entitlements blob */
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#define CS_OPS_MARKRESTRICT 8 /* set RESTRICT flag (sticky) */
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#define CS_OPS_SET_STATUS 9 /* set codesign flags */
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#define CS_OPS_BLOB 10 /* get codesign blob */
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#define CS_OPS_IDENTITY 11 /* get codesign identity */
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#define CS_OPS_CLEARINSTALLER 12 /* clear INSTALLER flag */
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/*
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* Magic numbers used by Code Signing
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*/
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enum {
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CSMAGIC_REQUIREMENT = 0xfade0c00, /* single Requirement blob */
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CSMAGIC_REQUIREMENTS = 0xfade0c01, /* Requirements vector (internal requirements) */
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CSMAGIC_CODEDIRECTORY = 0xfade0c02, /* CodeDirectory blob */
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CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */
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CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02, /* XXX */
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CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171, /* embedded entitlements */
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CSMAGIC_DETACHED_SIGNATURE = 0xfade0cc1, /* multi-arch collection of embedded signatures */
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CSMAGIC_BLOBWRAPPER = 0xfade0b01, /* CMS Signature, among other things */
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CS_SUPPORTSSCATTER = 0x20100,
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CS_SUPPORTSTEAMID = 0x20200,
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CSSLOT_CODEDIRECTORY = 0, /* slot index for CodeDirectory */
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CSSLOT_INFOSLOT = 1,
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CSSLOT_REQUIREMENTS = 2,
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CSSLOT_RESOURCEDIR = 3,
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CSSLOT_APPLICATION = 4,
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CSSLOT_ENTITLEMENTS = 5,
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CSSLOT_ALTERNATE_CODEDIRECTORIES = 0x1000, /* first alternate CodeDirectory, if any */
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CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5, /* max number of alternate CD slots */
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CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT = CSSLOT_ALTERNATE_CODEDIRECTORIES + CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, /* one past the last */
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CSSLOT_SIGNATURESLOT = 0x10000, /* CMS Signature */
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CSTYPE_INDEX_REQUIREMENTS = 0x00000002, /* compat with amfi */
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CSTYPE_INDEX_ENTITLEMENTS = 0x00000005, /* compat with amfi */
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CS_HASHTYPE_SHA1 = 1,
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CS_HASHTYPE_SHA256 = 2,
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CS_HASHTYPE_SHA256_TRUNCATED = 3,
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CS_HASHTYPE_SHA384 = 4,
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CS_SHA1_LEN = 20,
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CS_SHA256_TRUNCATED_LEN = 20,
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CS_CDHASH_LEN = 20, /* always - larger hashes are truncated */
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CS_HASH_MAX_SIZE = 48, /* max size of the hash we'll support */
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};
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#define KERNEL_HAVE_CS_CODEDIRECTORY 1
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#define KERNEL_CS_CODEDIRECTORY_HAVE_PLATFORM 1
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/*
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* C form of a CodeDirectory.
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*/
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typedef struct __CodeDirectory {
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uint32_t magic; /* magic number (CSMAGIC_CODEDIRECTORY) */
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uint32_t length; /* total length of CodeDirectory blob */
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uint32_t version; /* compatibility version */
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uint32_t flags; /* setup and mode flags */
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uint32_t hashOffset; /* offset of hash slot element at index zero */
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uint32_t identOffset; /* offset of identifier string */
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uint32_t nSpecialSlots; /* number of special hash slots */
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uint32_t nCodeSlots; /* number of ordinary (code) hash slots */
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uint32_t codeLimit; /* limit to main image signature range */
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uint8_t hashSize; /* size of each hash in bytes */
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uint8_t hashType; /* type of hash (cdHashType* constants) */
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uint8_t platform; /* platform identifier; zero if not platform binary */
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uint8_t pageSize; /* log2(page size in bytes); 0 => infinite */
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uint32_t spare2; /* unused (must be zero) */
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/* Version 0x20100 */
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uint32_t scatterOffset; /* offset of optional scatter vector */
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/* Version 0x20200 */
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uint32_t teamOffset; /* offset of optional team identifier */
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/* followed by dynamic content as located by offset fields above */
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} CS_CodeDirectory;
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/*
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* Structure of an embedded-signature SuperBlob
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*/
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typedef struct __BlobIndex {
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uint32_t type; /* type of entry */
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uint32_t offset; /* offset of entry */
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} CS_BlobIndex;
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typedef struct __SC_SuperBlob {
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uint32_t magic; /* magic number */
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uint32_t length; /* total length of SuperBlob */
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uint32_t count; /* number of index entries following */
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CS_BlobIndex index[]; /* (count) entries */
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/* followed by Blobs in no particular order as indicated by offsets in index */
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} CS_SuperBlob;
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#define KERNEL_HAVE_CS_GENERICBLOB 1
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typedef struct __SC_GenericBlob {
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uint32_t magic; /* magic number */
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uint32_t length; /* total length of blob */
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char data[];
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} CS_GenericBlob;
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typedef struct __SC_Scatter {
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uint32_t count; // number of pages; zero for sentinel (only)
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uint32_t base; // first page number
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uint64_t targetOffset; // offset in target
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uint64_t spare; // reserved
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} SC_Scatter;
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#ifndef KERNEL
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#include <sys/types.h>
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#include <mach/message.h>
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__BEGIN_DECLS
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/* code sign operations */
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int csops(pid_t pid, unsigned int ops, void * useraddr, size_t usersize);
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int csops_audittoken(pid_t pid, unsigned int ops, void * useraddr, size_t usersize, audit_token_t * token);
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__END_DECLS
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#else /* !KERNEL */
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#include <mach/vm_types.h>
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#include <sys/cdefs.h>
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#include <sys/_types/_off_t.h>
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struct vnode;
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struct cs_blob;
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struct fileglob;
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__BEGIN_DECLS
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int cs_valid(struct proc *);
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int cs_enforcement(struct proc *);
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int cs_require_lv(struct proc *);
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int cs_system_require_lv(void);
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uint32_t cs_entitlement_flags(struct proc *p);
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int cs_entitlements_blob_get(struct proc *, void **, size_t *);
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int cs_restricted(struct proc *);
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uint8_t * cs_get_cdhash(struct proc *);
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struct cs_blob * csproc_get_blob(struct proc *);
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struct cs_blob * csvnode_get_blob(struct vnode *, off_t);
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void csvnode_print_debug(struct vnode *);
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off_t csblob_get_base_offset(struct cs_blob *);
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vm_size_t csblob_get_size(struct cs_blob *);
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vm_address_t csblob_get_addr(struct cs_blob *);
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const char * csblob_get_teamid(struct cs_blob *);
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const char * csblob_get_identity(struct cs_blob *);
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const uint8_t * csblob_get_cdhash(struct cs_blob *);
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int csblob_get_platform_binary(struct cs_blob *);
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unsigned int csblob_get_flags(struct cs_blob *blob);
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int csblob_get_entitlements(struct cs_blob *, void **, size_t *);
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const CS_GenericBlob *
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csblob_find_blob(struct cs_blob *, uint32_t, uint32_t);
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const CS_GenericBlob *
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csblob_find_blob_bytes(const uint8_t *, size_t, uint32_t, uint32_t);
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void * csblob_entitlements_dictionary_copy(struct cs_blob *csblob);
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void csblob_entitlements_dictionary_set(struct cs_blob *csblob, void * entitlements);
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/*
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* Mostly convenience functions below
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*/
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const char * csproc_get_teamid(struct proc *);
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const char * csvnode_get_teamid(struct vnode *, off_t);
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int csproc_get_platform_binary(struct proc *);
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int csproc_get_prod_signed(struct proc *);
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const char * csfg_get_teamid(struct fileglob *);
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int csfg_get_path(struct fileglob *, char *, int *);
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int csfg_get_platform_binary(struct fileglob *);
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uint8_t * csfg_get_cdhash(struct fileglob *, uint64_t, size_t *);
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int csfg_get_prod_signed(struct fileglob *);
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extern int cs_debug;
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#ifdef XNU_KERNEL_PRIVATE
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void cs_init(void);
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int cs_allow_invalid(struct proc *);
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int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed);
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int csproc_get_platform_path(struct proc *);
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#if !SECURE_KERNEL
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extern int cs_enforcement_panic;
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#endif
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#endif /* XNU_KERNEL_PRIVATE */
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__END_DECLS
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#endif /* KERNEL */
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#endif /* _SYS_CODESIGN_H_ */
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