* Copyright (c) 2006 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
* 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,
* 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 _SYS_CODESIGN_H_
#define _SYS_CODESIGN_H_
-/* code signing attributes of a process */
-#define CS_VALID 0x0000001 /* dynamically valid */
-#define CS_ADHOC 0x0000002 /* ad hoc signed */
-#define CS_GET_TASK_ALLOW 0x0000004 /* has get-task-allow entitlement */
-#define CS_INSTALLER 0x0000008 /* has installer entitlement */
-
-#define CS_HARD 0x0000100 /* don't load invalid pages */
-#define CS_KILL 0x0000200 /* kill process if it becomes invalid */
-#define CS_CHECK_EXPIRATION 0x0000400 /* force expiration checking */
-#define CS_RESTRICT 0x0000800 /* tell dyld to treat restricted */
-#define CS_ENFORCEMENT 0x0001000 /* require enforcement */
-#define CS_REQUIRE_LV 0x0002000 /* require library validation */
-#define CS_ENTITLEMENTS_VALIDATED 0x0004000 /* code signature permits restricted entitlements */
-
-#define CS_ALLOWED_MACHO (CS_ADHOC | CS_HARD | CS_KILL | CS_CHECK_EXPIRATION | CS_RESTRICT | CS_ENFORCEMENT | CS_REQUIRE_LV)
-
-#define CS_EXEC_SET_HARD 0x0100000 /* set CS_HARD on any exec'ed process */
-#define CS_EXEC_SET_KILL 0x0200000 /* set CS_KILL on any exec'ed process */
-#define CS_EXEC_SET_ENFORCEMENT 0x0400000 /* set CS_ENFORCEMENT on any exec'ed process */
-#define CS_EXEC_SET_INSTALLER 0x0800000 /* set CS_INSTALLER on any exec'ed process */
-
-#define CS_KILLED 0x1000000 /* was killed by kernel for invalidity */
-#define CS_DYLD_PLATFORM 0x2000000 /* dyld used to load this is a platform binary */
-#define CS_PLATFORM_BINARY 0x4000000 /* this is a platform binary */
-#define CS_PLATFORM_PATH 0x8000000 /* 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_ENTITLEMENT_FLAGS (CS_GET_TASK_ALLOW | CS_INSTALLER)
+#if KERNEL
+#include <kern/cs_blobs.h>
+#else
+#include <System/kern/cs_blobs.h>
+#endif
/* MAC flags used by F_ADDFILESIGS_* */
#define MAC_VNODE_CHECK_DYLD_SIM 0x1 /* tells the MAC framework that dyld-sim is being loaded */
+#define CLEAR_LV_ENTITLEMENT "com.apple.private.security.clear-library-validation"
+#define OVERRIDE_PLUGIN_HOST_ENTITLEMENT "com.apple.private.security.override-plugin-host-detection"
+
/* csops operations */
-#define CS_OPS_STATUS 0 /* return status */
-#define CS_OPS_MARKINVALID 1 /* invalidate process */
-#define CS_OPS_MARKHARD 2 /* set HARD flag */
-#define CS_OPS_MARKKILL 3 /* set KILL flag (sticky) */
+#define CS_OPS_STATUS 0 /* return status */
+#define CS_OPS_MARKINVALID 1 /* invalidate process */
+#define CS_OPS_MARKHARD 2 /* set HARD flag */
+#define CS_OPS_MARKKILL 3 /* set KILL flag (sticky) */
#ifdef KERNEL_PRIVATE
/* CS_OPS_PIDPATH 4 */
#endif
-#define CS_OPS_CDHASH 5 /* get code directory hash */
-#define CS_OPS_PIDOFFSET 6 /* get offset of active Mach-o slice */
-#define CS_OPS_ENTITLEMENTS_BLOB 7 /* get entitlements blob */
-#define CS_OPS_MARKRESTRICT 8 /* set RESTRICT flag (sticky) */
-#define CS_OPS_SET_STATUS 9 /* set codesign flags */
-#define CS_OPS_BLOB 10 /* get codesign blob */
-#define CS_OPS_IDENTITY 11 /* get codesign identity */
-#define CS_OPS_CLEARINSTALLER 12 /* clear INSTALLER flag */
-
-/*
- * 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,
-
- 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 */
-
- 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_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 */
-};
-
-
-#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) */
- /* Version 0x20100 */
- uint32_t scatterOffset; /* offset of optional scatter vector */
- /* Version 0x20200 */
- uint32_t teamOffset; /* offset of optional team identifier */
- /* followed by dynamic content as located by offset fields above */
-} CS_CodeDirectory;
-
-/*
- * Structure of an embedded-signature SuperBlob
- */
-
-typedef struct __BlobIndex {
- uint32_t type; /* type of entry */
- uint32_t offset; /* offset of entry */
-} CS_BlobIndex;
-
-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;
-
-#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;
-
-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;
-
+#define CS_OPS_CDHASH 5 /* get code directory hash */
+#define CS_OPS_PIDOFFSET 6 /* get offset of active Mach-o slice */
+#define CS_OPS_ENTITLEMENTS_BLOB 7 /* get entitlements blob */
+#define CS_OPS_MARKRESTRICT 8 /* set RESTRICT flag (sticky) */
+#define CS_OPS_SET_STATUS 9 /* set codesign flags */
+#define CS_OPS_BLOB 10 /* get codesign blob */
+#define CS_OPS_IDENTITY 11 /* get codesign identity */
+#define CS_OPS_CLEARINSTALLER 12 /* clear INSTALLER flag */
+#define CS_OPS_CLEARPLATFORM 13 /* clear platform binary status (DEVELOPMENT-only) */
+#define CS_OPS_TEAMID 14 /* get team id */
+#define CS_OPS_CLEAR_LV 15 /* clear the library validation flag */
+
+#define CS_MAX_TEAMID_LEN 64
#ifndef KERNEL
#else /* !KERNEL */
+#include <mach/machine.h>
#include <mach/vm_types.h>
#include <sys/cdefs.h>
struct fileglob;
__BEGIN_DECLS
-int cs_valid(struct proc *);
-int cs_enforcement(struct proc *);
-int cs_require_lv(struct proc *);
-int cs_system_require_lv(void);
+int cs_valid(struct proc *);
+int cs_process_enforcement(struct proc *);
+int cs_process_global_enforcement(void);
+int cs_system_enforcement(void);
+int cs_vm_supports_4k_translations(void);
+int cs_require_lv(struct proc *);
+int csproc_forced_lv(struct proc* p);
+int cs_system_require_lv(void);
uint32_t cs_entitlement_flags(struct proc *p);
-int cs_entitlements_blob_get(struct proc *, void **, size_t *);
-int cs_restricted(struct proc *);
+int cs_entitlements_blob_get_vnode(struct vnode *, off_t, void **, size_t *);
+int cs_entitlements_blob_get(struct proc *, void **, size_t *);
+#ifdef KERNEL_PRIVATE
+int cs_entitlements_dictionary_copy(struct proc *, void **);
+#endif
+int cs_restricted(struct proc *);
uint8_t * cs_get_cdhash(struct proc *);
struct cs_blob * csproc_get_blob(struct proc *);
struct cs_blob * csvnode_get_blob(struct vnode *, off_t);
-void csvnode_print_debug(struct vnode *);
+void csvnode_print_debug(struct vnode *);
+
+off_t csblob_get_base_offset(struct cs_blob *);
+vm_size_t csblob_get_size(struct cs_blob *);
+vm_address_t csblob_get_addr(struct cs_blob *);
+const char * csblob_get_teamid(struct cs_blob *);
+const char * csblob_get_identity(struct cs_blob *);
+const uint8_t * csblob_get_cdhash(struct cs_blob *);
+int csblob_get_platform_binary(struct cs_blob *);
+unsigned int csblob_get_flags(struct cs_blob *);
+uint8_t csblob_get_hashtype(struct cs_blob const *);
+unsigned int csblob_get_signer_type(struct cs_blob *);
+#if DEVELOPMENT || DEBUG
+void csproc_clear_platform_binary(struct proc *);
+#endif
-off_t csblob_get_base_offset(struct cs_blob *);
-vm_size_t csblob_get_size(struct cs_blob *);
-vm_address_t csblob_get_addr(struct cs_blob *);
-const char * csblob_get_teamid(struct cs_blob *);
-const char * csblob_get_identity(struct cs_blob *);
-const uint8_t * csblob_get_cdhash(struct cs_blob *);
-int csblob_get_platform_binary(struct cs_blob *);
-unsigned int csblob_get_flags(struct cs_blob *blob);
+void csproc_disable_enforcement(struct proc* p);
+void csproc_mark_invalid_allowed(struct proc* p);
+int csproc_check_invalid_allowed(struct proc* p);
+int csproc_hardened_runtime(struct proc* p);
-int csblob_get_entitlements(struct cs_blob *, void **, size_t *);
+int csblob_get_entitlements(struct cs_blob *, void **, size_t *);
const CS_GenericBlob *
- csblob_find_blob(struct cs_blob *, uint32_t, uint32_t);
+ csblob_find_blob(struct cs_blob *, uint32_t, uint32_t);
const CS_GenericBlob *
- csblob_find_blob_bytes(const uint8_t *, size_t, uint32_t, uint32_t);
+ csblob_find_blob_bytes(const uint8_t *, size_t, uint32_t, uint32_t);
void * csblob_entitlements_dictionary_copy(struct cs_blob *csblob);
void csblob_entitlements_dictionary_set(struct cs_blob *csblob, void * entitlements);
* Mostly convenience functions below
*/
-const char * csproc_get_teamid(struct proc *);
-const char * csvnode_get_teamid(struct vnode *, off_t);
-int csproc_get_platform_binary(struct proc *);
+const char * csproc_get_teamid(struct proc *);
+const char * csproc_get_identity(struct proc *);
+const char * csvnode_get_teamid(struct vnode *, off_t);
+int csproc_get_platform_binary(struct proc *);
int csproc_get_prod_signed(struct proc *);
-const char * csfg_get_teamid(struct fileglob *);
-int csfg_get_path(struct fileglob *, char *, int *);
-int csfg_get_platform_binary(struct fileglob *);
+const char * csfg_get_teamid(struct fileglob *);
+const char * csfg_get_supplement_teamid(struct fileglob *);
+int csfg_get_path(struct fileglob *, char *, int *);
+int csfg_get_platform_binary(struct fileglob *);
+int csfg_get_supplement_platform_binary(struct fileglob *);
uint8_t * csfg_get_cdhash(struct fileglob *, uint64_t, size_t *);
+uint8_t * csfg_get_supplement_cdhash(struct fileglob *, uint64_t, size_t *);
+const uint8_t * csfg_get_supplement_linkage_cdhash(struct fileglob *, uint64_t, size_t *);
int csfg_get_prod_signed(struct fileglob *);
+int csfg_get_supplement_prod_signed(struct fileglob *fg);
+unsigned int csfg_get_signer_type(struct fileglob *);
+unsigned int csfg_get_supplement_signer_type(struct fileglob *);
+const char *csfg_get_identity(struct fileglob *fg, off_t offset);
+unsigned int csproc_get_signer_type(struct proc *);
+
+uint8_t csfg_get_platform_identifier(struct fileglob *, off_t);
+uint8_t csvnode_get_platform_identifier(struct vnode *, off_t);
+uint8_t csproc_get_platform_identifier(struct proc *);
extern int cs_debug;
+extern int cs_debug_fail_on_unsigned_code;
+extern unsigned int cs_debug_unsigned_exec_failures;
+extern unsigned int cs_debug_unsigned_mmap_failures;
+
+int cs_blob_create_validated(vm_address_t* addr, vm_size_t size,
+ struct cs_blob ** ret_blob, CS_CodeDirectory const **ret_cd);
+
+void cs_blob_free(struct cs_blob *blob);
#ifdef XNU_KERNEL_PRIVATE
-void cs_init(void);
-int cs_allow_invalid(struct proc *);
-int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed);
-int csproc_get_platform_path(struct proc *);
+int cs_allow_invalid(struct proc *);
+int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed);
+void cs_process_invalidated(struct proc *);
+int csproc_get_platform_path(struct proc *);
#if !SECURE_KERNEL
extern int cs_enforcement_panic;
projects / apple / xnu.git / blobdiff