369 lines
14 KiB
C++
369 lines
14 KiB
C++
/*************************************************************************/
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/* codesign.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef MACOS_CODESIGN_H
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#define MACOS_CODESIGN_H
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// macOS code signature creation utility.
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//
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// Current implementation has the following limitation:
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// - Only version 11.3.0 signatures are supported.
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// - Only "framework" and "app" bundle types are supported.
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// - Page hash array scattering is not supported.
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// - Reading and writing binary property lists i snot supported (third-party frameworks with binary Info.plist will not work unless .plist is converted to text format).
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// - Requirements code generator is not implemented (only hard-coded requirements for the ad-hoc signing is supported).
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// - RFC5652/CMS blob generation is not implemented, supports ad-hoc signing only.
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#include "core/crypto/crypto_core.h"
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#include "core/io/dir_access.h"
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#include "core/io/file_access.h"
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#include "core/object/ref_counted.h"
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#include "modules/modules_enabled.gen.h" // For regex.
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#ifdef MODULE_REGEX_ENABLED
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#include "modules/regex/regex.h"
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#endif
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#include "plist.h"
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#ifdef MODULE_REGEX_ENABLED
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/*************************************************************************/
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/* CodeSignCodeResources */
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/*************************************************************************/
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class CodeSignCodeResources {
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public:
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enum class CRMatch {
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CR_MATCH_NO,
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CR_MATCH_YES,
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CR_MATCH_NESTED,
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CR_MATCH_OPTIONAL,
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};
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private:
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struct CRFile {
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String name;
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String hash;
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String hash2;
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bool optional;
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bool nested;
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String requirements;
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};
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struct CRRule {
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String file_pattern;
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String key;
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int weight;
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bool store;
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CRRule() {
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weight = 1;
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store = true;
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}
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CRRule(const String &p_file_pattern, const String &p_key, int p_weight, bool p_store) {
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file_pattern = p_file_pattern;
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key = p_key;
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weight = p_weight;
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store = p_store;
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}
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};
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Vector<CRRule> rules1;
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Vector<CRRule> rules2;
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Vector<CRFile> files1;
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Vector<CRFile> files2;
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String hash_sha1_base64(const String &p_path);
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String hash_sha256_base64(const String &p_path);
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public:
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void add_rule1(const String &p_rule, const String &p_key = "", int p_weight = 0, bool p_store = true);
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void add_rule2(const String &p_rule, const String &p_key = "", int p_weight = 0, bool p_store = true);
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CRMatch match_rules1(const String &p_path) const;
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CRMatch match_rules2(const String &p_path) const;
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bool add_file1(const String &p_root, const String &p_path);
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bool add_file2(const String &p_root, const String &p_path);
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bool add_nested_file(const String &p_root, const String &p_path, const String &p_exepath);
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bool add_folder_recursive(const String &p_root, const String &p_path = "", const String &p_main_exe_path = "");
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bool save_to_file(const String &p_path);
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};
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/*************************************************************************/
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/* CodeSignBlob */
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/*************************************************************************/
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class CodeSignBlob : public RefCounted {
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public:
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virtual PackedByteArray get_hash_sha1() const = 0;
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virtual PackedByteArray get_hash_sha256() const = 0;
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virtual int get_size() const = 0;
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virtual uint32_t get_index_type() const = 0;
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virtual void write_to_file(Ref<FileAccess> p_file) const = 0;
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};
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/*************************************************************************/
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/* CodeSignRequirements */
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/*************************************************************************/
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// Note: Proper code generator is not implemented (any we probably won't ever need it), just a hardcoded bytecode for the limited set of cases.
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class CodeSignRequirements : public CodeSignBlob {
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PackedByteArray blob;
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static inline size_t PAD(size_t s, size_t a) {
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return (s % a == 0) ? 0 : (a - s % a);
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}
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_FORCE_INLINE_ void _parse_certificate_slot(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ void _parse_key(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ void _parse_oid_key(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ void _parse_hash_string(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ void _parse_value(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ void _parse_date(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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_FORCE_INLINE_ bool _parse_match(uint32_t &r_pos, String &r_out, uint32_t p_rq_size) const;
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public:
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CodeSignRequirements();
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CodeSignRequirements(const PackedByteArray &p_data);
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Vector<String> parse_requirements() const;
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virtual PackedByteArray get_hash_sha1() const override;
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virtual PackedByteArray get_hash_sha256() const override;
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virtual int get_size() const override;
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virtual uint32_t get_index_type() const override { return 0x00000002; };
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virtual void write_to_file(Ref<FileAccess> p_file) const override;
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};
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/*************************************************************************/
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/* CodeSignEntitlementsText */
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/*************************************************************************/
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// PList formatted entitlements.
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class CodeSignEntitlementsText : public CodeSignBlob {
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PackedByteArray blob;
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public:
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CodeSignEntitlementsText();
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CodeSignEntitlementsText(const String &p_string);
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virtual PackedByteArray get_hash_sha1() const override;
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virtual PackedByteArray get_hash_sha256() const override;
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virtual int get_size() const override;
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virtual uint32_t get_index_type() const override { return 0x00000005; };
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virtual void write_to_file(Ref<FileAccess> p_file) const override;
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};
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/*************************************************************************/
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/* CodeSignEntitlementsBinary */
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/*************************************************************************/
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// ASN.1 serialized entitlements.
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class CodeSignEntitlementsBinary : public CodeSignBlob {
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PackedByteArray blob;
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public:
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CodeSignEntitlementsBinary();
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CodeSignEntitlementsBinary(const String &p_string);
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virtual PackedByteArray get_hash_sha1() const override;
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virtual PackedByteArray get_hash_sha256() const override;
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virtual int get_size() const override;
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virtual uint32_t get_index_type() const override { return 0x00000007; };
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virtual void write_to_file(Ref<FileAccess> p_file) const override;
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};
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/*************************************************************************/
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/* CodeSignCodeDirectory */
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/*************************************************************************/
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// Code Directory, runtime options, code segment and special structure hashes.
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class CodeSignCodeDirectory : public CodeSignBlob {
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public:
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enum Slot {
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SLOT_INFO_PLIST = -1,
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SLOT_REQUIREMENTS = -2,
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SLOT_RESOURCES = -3,
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SLOT_APP_SPECIFIC = -4, // Unused.
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SLOT_ENTITLEMENTS = -5,
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SLOT_RESERVER1 = -6, // Unused.
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SLOT_DER_ENTITLEMENTS = -7,
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};
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enum CodeSignExecSegFlags {
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EXECSEG_MAIN_BINARY = 0x1,
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EXECSEG_ALLOW_UNSIGNED = 0x10,
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EXECSEG_DEBUGGER = 0x20,
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EXECSEG_JIT = 0x40,
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EXECSEG_SKIP_LV = 0x80,
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EXECSEG_CAN_LOAD_CDHASH = 0x100,
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EXECSEG_CAN_EXEC_CDHASH = 0x200,
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};
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enum CodeSignatureFlags {
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SIGNATURE_HOST = 0x0001,
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SIGNATURE_ADHOC = 0x0002,
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SIGNATURE_TASK_ALLOW = 0x0004,
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SIGNATURE_INSTALLER = 0x0008,
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SIGNATURE_FORCED_LV = 0x0010,
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SIGNATURE_INVALID_ALLOWED = 0x0020,
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SIGNATURE_FORCE_HARD = 0x0100,
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SIGNATURE_FORCE_KILL = 0x0200,
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SIGNATURE_FORCE_EXPIRATION = 0x0400,
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SIGNATURE_RESTRICT = 0x0800,
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SIGNATURE_ENFORCEMENT = 0x1000,
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SIGNATURE_LIBRARY_VALIDATION = 0x2000,
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SIGNATURE_ENTITLEMENTS_VALIDATED = 0x4000,
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SIGNATURE_NVRAM_UNRESTRICTED = 0x8000,
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SIGNATURE_RUNTIME = 0x10000,
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SIGNATURE_LINKER_SIGNED = 0x20000,
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};
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private:
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PackedByteArray blob;
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struct CodeDirectoryHeader {
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uint32_t version; // Using version 0x0020500.
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uint32_t flags; // // Option flags.
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uint32_t hash_offset; // Slot zero offset.
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uint32_t ident_offset; // Identifier string offset.
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uint32_t special_slots; // Nr. of slots with negative index.
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uint32_t code_slots; // Nr. of slots with index >= 0, (code_limit / page_size).
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uint32_t code_limit; // Everything before code signature load command offset.
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uint8_t hash_size; // 20 (SHA-1) or 32 (SHA-256).
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uint8_t hash_type; // 1 (SHA-1) or 2 (SHA-256).
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uint8_t platform; // Not used.
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uint8_t page_size; // Page size, power of two, 2^12 (4096).
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uint32_t spare2; // Not used.
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// Version 0x20100
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uint32_t scatter_vector_offset; // Set to 0 and ignore.
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// Version 0x20200
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uint32_t team_offset; // Team id string offset.
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// Version 0x20300
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uint32_t spare3; // Not used.
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uint64_t code_limit_64; // Set to 0 and ignore.
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// Version 0x20400
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uint64_t exec_seg_base; // Start of the signed code segmet.
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uint64_t exec_seg_limit; // Code segment (__TEXT) vmsize.
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uint64_t exec_seg_flags; // Executable segment flags.
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// Version 0x20500
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uint32_t runtime; // Runtime version.
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uint32_t pre_encrypt_offset; // Set to 0 and ignore.
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};
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int32_t pages = 0;
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int32_t remain = 0;
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int32_t code_slots = 0;
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int32_t special_slots = 0;
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public:
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CodeSignCodeDirectory();
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CodeSignCodeDirectory(uint8_t p_hash_size, uint8_t p_hash_type, bool p_main, const CharString &p_id, const CharString &p_team_id, uint32_t p_page_size, uint64_t p_exe_limit, uint64_t p_code_limit);
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int32_t get_page_count();
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int32_t get_page_remainder();
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bool set_hash_in_slot(const PackedByteArray &p_hash, int p_slot);
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virtual PackedByteArray get_hash_sha1() const override;
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virtual PackedByteArray get_hash_sha256() const override;
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virtual int get_size() const override;
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virtual uint32_t get_index_type() const override { return 0x00000000; };
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virtual void write_to_file(Ref<FileAccess> p_file) const override;
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};
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/*************************************************************************/
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/* CodeSignSignature */
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/*************************************************************************/
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class CodeSignSignature : public CodeSignBlob {
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PackedByteArray blob;
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public:
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CodeSignSignature();
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virtual PackedByteArray get_hash_sha1() const override;
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virtual PackedByteArray get_hash_sha256() const override;
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virtual int get_size() const override;
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virtual uint32_t get_index_type() const override { return 0x00010000; };
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virtual void write_to_file(Ref<FileAccess> p_file) const override;
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};
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/*************************************************************************/
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/* CodeSignSuperBlob */
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/*************************************************************************/
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class CodeSignSuperBlob {
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Vector<Ref<CodeSignBlob>> blobs;
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public:
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bool add_blob(const Ref<CodeSignBlob> &p_blob);
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int get_size() const;
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void write_to_file(Ref<FileAccess> p_file) const;
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};
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/*************************************************************************/
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/* CodeSign */
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/*************************************************************************/
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class CodeSign {
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static PackedByteArray file_hash_sha1(const String &p_path);
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static PackedByteArray file_hash_sha256(const String &p_path);
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static Error _codesign_file(bool p_use_hardened_runtime, bool p_force, const String &p_info, const String &p_exe_path, const String &p_bundle_path, const String &p_ent_path, bool p_ios_bundle, String &r_error_msg);
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public:
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static Error codesign(bool p_use_hardened_runtime, bool p_force, const String &p_path, const String &p_ent_path, String &r_error_msg);
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};
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#endif // MODULE_REGEX_ENABLED
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#endif // MACOS_CODESIGN_H
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