Cider Isn't Darwin Emulation, Really
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C
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#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_4K = 4096, CS_PAGE_SIZE_16K = 16384,
CS_HASHTYPE_SHA1 = 1, CS_HASHTYPE_SHA256 = 2, CS_HASHTYPE_SHA256_TRUNCATED = 3, CS_HASHTYPE_SHA384 = 4,
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_ALTERNATE_CODEDIRECTORIES = 0x1000, CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5, CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT = CSSLOT_ALTERNATE_CODEDIRECTORIES + CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, CSSLOT_CMS_SIGNATURE = 0x10000,
kSecCodeSignatureAdhoc = 2};
enum { CS_REQUIRE_LV = 0x0002000 // require library validation};
//// 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)
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; /* exec segment flags */ char end_withExecSeg[0];
/* 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_