dyld-421.1.tar.gz

[apple/dyld.git] / interlinked-dylibs / CodeSigningTypes.h

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+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- 
+ *
+ * Copyright (c) 2015 Apple Inc. All rights reserved.
+ *
+ * @APPLE_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. 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_LICENSE_HEADER_END@
+ */
+
+#ifndef _CODE_SIGNING_TYPES_
+#define _CODE_SIGNING_TYPES_
+
+#include <stdint.h>
+#include <stddef.h>
+
+
+//
+// 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_DETACHED_SIGNATURE  = 0xfade0cc1,    // multi-arch collection of embedded signatures
+    CSMAGIC_BLOBWRAPPER         = 0xfade0b01,    // used for the cms blob
+};
+
+enum {
+    CS_PAGE_SIZE                = 4096,
+
+    CS_HASHTYPE_SHA1              = 1,
+    CS_HASHTYPE_SHA256            = 2,
+    CS_HASHTYPE_SHA256_TRUNCATED  = 3,
+
+    CS_HASH_SIZE_SHA1             = 20,
+    CS_HASH_SIZE_SHA256           = 32,
+    CS_HASH_SIZE_SHA256_TRUNCATED = 20,
+
+    CSSLOT_CODEDIRECTORY        = 0,
+    CSSLOT_INFOSLOT             = 1,
+    CSSLOT_REQUIREMENTS         = 2,
+    CSSLOT_RESOURCEDIR          = 3,
+    CSSLOT_APPLICATION          = 4,
+    CSSLOT_ENTITLEMENTS         = 5,
+    CSSLOT_CMS_SIGNATURE        = 0x10000,
+
+       kSecCodeSignatureAdhoc          = 2
+};
+
+
+
+//
+// Structure of a SuperBlob
+//
+struct CS_BlobIndex {
+    uint32_t type;                  // type of entry
+    uint32_t offset;                // offset of entry
+};
+
+struct CS_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
+};
+
+//
+// C form of a CodeDirectory.
+//
+struct CS_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 or later
+    uint32_t scatterOffset;         // offset of optional scatter vector
+    // followed by dynamic content as located by offset fields above
+};
+
+struct CS_Blob {
+    uint32_t magic;                 // magic number
+    uint32_t length;                // total length of blob
+};
+
+struct CS_RequirementsBlob {
+    uint32_t magic;                 // magic number
+    uint32_t length;                // total length of blob
+    uint32_t data;                  // zero for dyld shared cache
+};
+
+
+struct CS_Scatter {
+    uint32_t count;                 // number of pages; zero for sentinel (only)
+    uint32_t base;                  // first page number
+    uint64_t targetOffset;          // byte offset in target
+    uint64_t spare;                 // reserved (must be zero)
+};
+
+
+#endif // _CODE_SIGNING_TYPES_
+
+
+