* Copyright (C) 2007-2015 Jay Freeman (saurik)
*/
+/* SPDX-License-Identifier: AGPL-3.0-only */
/* GNU Affero General Public License, Version 3 {{{ */
/*
* This program is free software: you can redistribute it and/or modify
**/
/* }}} */
+#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sys/stat.h>
#include <sys/types.h>
-#ifndef LDID_NOSMIME
+#include <openssl/opensslv.h>
+# if OPENSSL_VERSION_MAJOR >= 3
+# include <openssl/provider.h>
+# endif
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/pkcs12.h>
-#endif
+#include <openssl/ui.h>
-#ifdef __APPLE__
-#include <CommonCrypto/CommonDigest.h>
-
-#define LDID_SHA1_DIGEST_LENGTH CC_SHA1_DIGEST_LENGTH
-#define LDID_SHA1 CC_SHA1
-#define LDID_SHA1_CTX CC_SHA1_CTX
-#define LDID_SHA1_Init CC_SHA1_Init
-#define LDID_SHA1_Update CC_SHA1_Update
-#define LDID_SHA1_Final CC_SHA1_Final
-
-#define LDID_SHA256_DIGEST_LENGTH CC_SHA256_DIGEST_LENGTH
-#define LDID_SHA256 CC_SHA256
-#define LDID_SHA256_CTX CC_SHA256_CTX
-#define LDID_SHA256_Init CC_SHA256_Init
-#define LDID_SHA256_Update CC_SHA256_Update
-#define LDID_SHA256_Final CC_SHA256_Final
-#else
-#include <openssl/sha.h>
-
-#define LDID_SHA1_DIGEST_LENGTH SHA_DIGEST_LENGTH
-#define LDID_SHA1 SHA1
-#define LDID_SHA1_CTX SHA_CTX
-#define LDID_SHA1_Init SHA1_Init
-#define LDID_SHA1_Update SHA1_Update
-#define LDID_SHA1_Final SHA1_Final
-
-#define LDID_SHA256_DIGEST_LENGTH SHA256_DIGEST_LENGTH
-#define LDID_SHA256 SHA256
-#define LDID_SHA256_CTX SHA256_CTX
-#define LDID_SHA256_Init SHA256_Init
-#define LDID_SHA256_Update SHA256_Update
-#define LDID_SHA256_Final SHA256_Final
-#endif
+#include <openssl/evp.h>
-#ifndef LDID_NOPLIST
#include <plist/plist.h>
-#endif
#include "ldid.hpp"
+#include "machine.h"
+
#define _assert___(line) \
#line
#define _assert__(line) \
_assert___(line)
+#ifndef $
+#define $(value) value
+#endif
+
#ifdef __EXCEPTIONS
#define _assert_(expr, format, ...) \
do if (!(expr)) { \
- fprintf(stderr, "%s(%u): _assert(): " format "\n", __FILE__, __LINE__, ## __VA_ARGS__); \
- throw __FILE__ "(" _assert__(__LINE__) "): _assert(" #expr ")"; \
+ fprintf(stderr, $("%s(%u): _assert(): " format "\n"), __FILE__, __LINE__, ## __VA_ARGS__); \
+ throw $(__FILE__ "(" _assert__(__LINE__) "): _assert(" #expr ")"); \
} while (false)
#else
// XXX: this is not acceptable
#define _assert_(expr, format, ...) \
do if (!(expr)) { \
- fprintf(stderr, "%s(%u): _assert(): " format "\n", __FILE__, __LINE__, ## __VA_ARGS__); \
+ fprintf(stderr, $("%s(%u): _assert(): " format "\n"), __FILE__, __LINE__, ## __VA_ARGS__); \
exit(-1); \
} while (false)
#endif
#define _assert(expr) \
- _assert_(expr, "%s", #expr)
+ _assert_(expr, "%s", $(#expr))
#define _syscall(expr, ...) [&] { for (;;) { \
auto _value(expr); \
for (auto success : (long[]) {EINTR, __VA_ARGS__}) \
if (error == success) \
return (decltype(expr)) -success; \
- _assert_(false, "errno=%u", error); \
+ fprintf(stderr, "ldid: %s: %s\n", __func__, strerror(error)); \
+ exit(1); \
} }()
#define _trace() \
- fprintf(stderr, "_trace(%s:%u): %s\n", __FILE__, __LINE__, __FUNCTION__)
+ fprintf(stderr, $("_trace(%s:%u): %s\n"), __FILE__, __LINE__, $(__FUNCTION__))
#define _not(type) \
((type) ~ (type) 0)
#define _packed \
__attribute__((packed))
+std::string password;
+std::vector<std::string> cleanup;
+
template <typename Type_>
struct Iterator_ {
typedef typename Type_::const_iterator Result;
#define _scope(function) \
_scope_(__COUNTER__, function)
-#define CPU_ARCH_MASK uint32_t(0xff000000)
-#define CPU_ARCH_ABI64 uint32_t(0x01000000)
-
-#define CPU_TYPE_ANY uint32_t(-1)
-#define CPU_TYPE_VAX uint32_t( 1)
-#define CPU_TYPE_MC680x0 uint32_t( 6)
-#define CPU_TYPE_X86 uint32_t( 7)
-#define CPU_TYPE_MC98000 uint32_t(10)
-#define CPU_TYPE_HPPA uint32_t(11)
-#define CPU_TYPE_ARM uint32_t(12)
-#define CPU_TYPE_MC88000 uint32_t(13)
-#define CPU_TYPE_SPARC uint32_t(14)
-#define CPU_TYPE_I860 uint32_t(15)
-#define CPU_TYPE_POWERPC uint32_t(18)
-
-#define CPU_TYPE_I386 CPU_TYPE_X86
-
-#define CPU_TYPE_ARM64 (CPU_ARCH_ABI64 | CPU_TYPE_ARM)
-#define CPU_TYPE_POWERPC64 (CPU_ARCH_ABI64 | CPU_TYPE_POWERPC)
-#define CPU_TYPE_X86_64 (CPU_ARCH_ABI64 | CPU_TYPE_X86)
-
struct fat_header {
uint32_t magic;
uint32_t nfat_arch;
#define MH_OBJECT 0x1
#define MH_EXECUTE 0x2
#define MH_DYLIB 0x6
+#define MH_DYLINKER 0x7
#define MH_BUNDLE 0x8
#define MH_DYLIB_STUB 0x9
#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0
#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
-static auto dummy([](double) {});
+struct : ldid::Progress {
+ virtual void operator()(const std::string &value) const {
+ }
+
+ virtual void operator()(double value) const {
+ }
+} dummy_;
+
+struct Progression : ldid::Progress {
+ const ldid::Progress &progress_;
+ std::string name_;
+
+ Progression(const ldid::Progress &progress, const std::string &name) :
+ progress_(progress),
+ name_(name)
+ {
+ }
+
+ virtual void operator()(const std::string &value) const {
+ return progress_(name_ + " (" + value + ")");
+ }
+
+ virtual void operator()(double value) const {
+ return progress_(value);
+ }
+};
static std::streamsize read(std::streambuf &stream, void *data, size_t size) {
auto writ(stream.sgetn(static_cast<char *>(data), size));
return writ;
}
+static inline void put(std::streambuf &stream, uint8_t value) {
+ _assert(stream.sputc(value) != EOF);
+}
+
static inline void get(std::streambuf &stream, void *data, size_t size) {
_assert(read(stream, data, size) == size);
}
_assert(stream.sputn(static_cast<const char *>(data), size) == size);
}
-static inline void put(std::streambuf &stream, const void *data, size_t size, const ldid::Functor<void (double)> &percent) {
- percent(0);
+static inline void put(std::streambuf &stream, const void *data, size_t size, const ldid::Progress &progress) {
+ progress(0);
for (size_t total(0); total != size;) {
auto writ(std::min(size - total, size_t(4096 * 4)));
_assert(stream.sputn(static_cast<const char *>(data) + total, writ) == writ);
total += writ;
- percent(double(total) / size);
+ progress(double(total) / size);
}
}
+static inline void put(std::streambuf &stream, const std::string &data) {
+ return put(stream, data.data(), data.size());
+}
+
static size_t most(std::streambuf &stream, void *data, size_t size) {
size_t total(size);
while (size > 0)
static const uint8_t PageShift_(0x0c);
static const uint32_t PageSize_(1 << PageShift_);
+static inline unsigned bytes(uint64_t value) {
+ return (64 - __builtin_clzll(value) + 7) / 8;
+}
+
+static void put(std::streambuf &stream, uint64_t value, size_t length) {
+ length *= 8;
+ do put(stream, uint8_t(value >> (length -= 8)));
+ while (length != 0);
+}
+
+static void der(std::streambuf &stream, uint64_t value) {
+ if (value < 128)
+ put(stream, value);
+ else {
+ unsigned length(bytes(value));
+ put(stream, 0x80 | length);
+ put(stream, value, length);
+ }
+}
+
+static std::string der(uint8_t tag, const char *value, size_t length) {
+ std::stringbuf data;
+ put(data, tag);
+ der(data, length);
+ put(data, value, length);
+ return data.str();
+}
+
+static std::string der(uint8_t tag, const char *value) {
+ return der(tag, value, strlen(value)); }
+static std::string der(uint8_t tag, const std::string &value) {
+ return der(tag, value.data(), value.size()); }
+
+template <typename Type_>
+static void der_(std::stringbuf &data, const Type_ &values) {
+ size_t size(0);
+ for (const auto &value : values)
+ size += value.size();
+ der(data, size);
+ for (const auto &value : values)
+ put(data, value);
+}
+
+static std::string der(const std::vector<std::string> &values) {
+ std::stringbuf data;
+ put(data, 0x30);
+ der_(data, values);
+ return data.str();
+}
+
+static std::string der(const std::multiset<std::string> &values) {
+ std::stringbuf data;
+ put(data, 0x31);
+ der_(data, values);
+ return data.str();
+}
+
+static std::string der(const std::pair<std::string, std::string> &value) {
+ const auto key(der(0x0c, value.first));
+ std::stringbuf data;
+ put(data, 0x30);
+ der(data, key.size() + value.second.size());
+ put(data, key);
+ put(data, value.second);
+ return data.str();
+}
+
+static std::string der(plist_t data) {
+ switch (const auto type = plist_get_node_type(data)) {
+ case PLIST_BOOLEAN: {
+ uint8_t value(0);
+ plist_get_bool_val(data, &value);
+
+ std::stringbuf data;
+ put(data, 0x01);
+ der(data, 1);
+ put(data, value != 0 ? 1 : 0);
+ return data.str();
+ } break;
+
+ case PLIST_UINT: {
+ uint64_t value;
+ plist_get_uint_val(data, &value);
+ const auto length(bytes(value));
+
+ std::stringbuf data;
+ put(data, 0x02);
+ der(data, length);
+ put(data, value, length);
+ return data.str();
+ } break;
+
+ case PLIST_REAL: {
+ fprintf(stderr, "ldid: Invalid plist entry type\n");
+ exit(1);
+ } break;
+
+ case PLIST_DATE: {
+ fprintf(stderr, "ldid: Invalid plist entry type\n");
+ exit(1);
+ } break;
+
+ case PLIST_DATA: {
+ char *value;
+ uint64_t length;
+ plist_get_data_val(data, &value, &length);
+ _scope({ free(value); });
+ return der(0x04, value, length);
+ } break;
+
+ case PLIST_STRING: {
+ char *value;
+ plist_get_string_val(data, &value);
+ _scope({ free(value); });
+ return der(0x0c, value);
+ } break;
+
+ case PLIST_ARRAY: {
+ std::vector<std::string> values;
+ for (auto e(plist_array_get_size(data)), i(decltype(e)(0)); i != e; ++i)
+ values.push_back(der(plist_array_get_item(data, i)));
+ return der(values);
+ } break;
+
+ case PLIST_DICT: {
+ std::multiset<std::string> values;
+
+ plist_dict_iter iterator(NULL);
+ plist_dict_new_iter(data, &iterator);
+ _scope({ free(iterator); });
+
+ for (;;) {
+ char *key(NULL);
+ plist_t value(NULL);
+ plist_dict_next_item(data, iterator, &key, &value);
+ if (key == NULL)
+ break;
+ _scope({ free(key); });
+ values.insert(der(std::make_pair(key, der(value))));
+ }
+
+ return der(values);
+ } break;
+
+ default: {
+ fprintf(stderr, "ldid: Unsupported plist type %d", type);
+ exit(1);
+ } break;
+ }
+}
+
static inline uint16_t Swap_(uint16_t value) {
return
((value >> 8) & 0x00ff) |
break;
default:
- _assert(false);
+ fprintf(stderr, "ldid: Unknown header magic\nAre you sure that is a Mach-O?\n");
+ exit(1);
}
void *post = mach_header_ + 1;
post = (uint32_t *) post + 1;
load_command_ = (struct load_command *) post;
- _assert(
- Swap(mach_header_->filetype) == MH_EXECUTE ||
- Swap(mach_header_->filetype) == MH_DYLIB ||
- Swap(mach_header_->filetype) == MH_BUNDLE
- );
+ if (Swap(mach_header_->filetype) != MH_EXECUTE &&
+ Swap(mach_header_->filetype) != MH_DYLIB &&
+ Swap(mach_header_->filetype) != MH_DYLINKER &&
+ Swap(mach_header_->filetype) != MH_BUNDLE) {
+ fprintf(stderr, "ldid: Unsupported Mach-O type\n");
+ exit(1);
+ }
}
bool Bits64() const {
#define CSMAGIC_EMBEDDED_SIGNATURE uint32_t(0xfade0cc0)
#define CSMAGIC_EMBEDDED_SIGNATURE_OLD uint32_t(0xfade0b02)
#define CSMAGIC_EMBEDDED_ENTITLEMENTS uint32_t(0xfade7171)
+#define CSMAGIC_EMBEDDED_DERFORMAT uint32_t(0xfade7172) // name?
#define CSMAGIC_DETACHED_SIGNATURE uint32_t(0xfade0cc1)
#define CSMAGIC_BLOBWRAPPER uint32_t(0xfade0b01)
#define CSSLOT_RESOURCEDIR uint32_t(0x00003)
#define CSSLOT_APPLICATION uint32_t(0x00004)
#define CSSLOT_ENTITLEMENTS uint32_t(0x00005)
+#define CSSLOT_REPSPECIFIC uint32_t(0x00006) // name?
+#define CSSLOT_DERFORMAT uint32_t(0x00007) // name?
#define CSSLOT_ALTERNATE uint32_t(0x01000)
#define CSSLOT_SIGNATURESLOT uint32_t(0x10000)
#define CS_HASHTYPE_SHA256_160 3
#define CS_HASHTYPE_SHA386_386 4
+#if 0
+#define CS_EXECSEG_MAIN_BINARY 0x001 /* executable segment denotes main binary */
+#define CS_EXECSEG_ALLOW_UNSIGNED 0x010 /* allow unsigned pages (for debugging) */
+#define CS_EXECSEG_DEBUGGER 0x020 /* main binary is debugger */
+#define CS_EXECSEG_JIT 0x040 /* JIT enabled */
+#define CS_EXECSEG_SKIP_LV 0x080 /* skip library validation */
+#define CS_EXECSEG_CAN_LOAD_CDHASH 0x100 /* can bless cdhash for execution */
+#define CS_EXECSEG_CAN_EXEC_CDHASH 0x200 /* can execute blessed cdhash */
+#else
+enum SecCodeExecSegFlags {
+ kSecCodeExecSegMainBinary = 0x001,
+ kSecCodeExecSegAllowUnsigned = 0x010,
+ kSecCodeExecSegDebugger = 0x020,
+ kSecCodeExecSegJit = 0x040,
+ kSecCodeExecSegSkipLibraryVal = 0x080,
+ kSecCodeExecSegCanLoadCdHash = 0x100,
+ kSecCodeExecSegCanExecCdHash = 0x100,
+};
+#endif
+
struct BlobIndex {
uint32_t type;
uint32_t offset;
uint32_t codeLimit;
uint8_t hashSize;
uint8_t hashType;
- uint8_t spare1;
+ uint8_t platform;
uint8_t pageSize;
uint32_t spare2;
uint32_t scatterOffset;
uint32_t teamIDOffset;
- //uint32_t spare3;
- //uint64_t codeLimit64;
+ uint32_t spare3;
+ uint64_t codeLimit64;
+ uint64_t execSegBase;
+ uint64_t execSegLimit;
+ uint64_t execSegFlags;
+#if 0 // version = 0x20500
+ uint32_t runtime;
+ uint32_t preEncryptOffset;
+#endif
+#if 0 // version = 0x20600
+ uint8_t linkageHashType;
+ uint8_t linkageTruncated;
+ uint16_t spare4;
+ uint32_t linkageOffset;
+ uint32_t linkageSize;
+#endif
} _packed;
+enum CodeSignatureFlags {
+ kSecCodeSignatureHost = 0x0001,
+ kSecCodeSignatureAdhoc = 0x0002,
+ kSecCodeSignatureForceHard = 0x0100,
+ kSecCodeSignatureForceKill = 0x0200,
+ kSecCodeSignatureForceExpiration = 0x0400,
+ kSecCodeSignatureRestrict = 0x0800,
+ kSecCodeSignatureEnforcement = 0x1000,
+ kSecCodeSignatureLibraryValidation = 0x2000,
+ kSecCodeSignatureRuntime = 0x10000,
+};
+
enum Kind : uint32_t {
exprForm = 1, // prefix expr form
};
#define APPLE_ADS_OID APPLE_OID, 0x64
#define APPLE_EXTENSION_OID APPLE_ADS_OID, 6
-#ifndef LDID_NOFLAGT
-extern "C" uint32_t hash(uint8_t *k, uint32_t length, uint32_t initval);
-#endif
struct Algorithm {
size_t size_;
virtual void operator ()(uint8_t *hash, const void *data, size_t size) const = 0;
virtual void operator ()(ldid::Hash &hash, const void *data, size_t size) const = 0;
virtual void operator ()(std::vector<char> &hash, const void *data, size_t size) const = 0;
+
+ virtual const char *name() = 0;
};
struct AlgorithmSHA1 :
Algorithm
{
AlgorithmSHA1() :
- Algorithm(LDID_SHA1_DIGEST_LENGTH, CS_HASHTYPE_SHA160_160)
+ Algorithm(SHA_DIGEST_LENGTH, CS_HASHTYPE_SHA160_160)
{
}
}
void operator ()(uint8_t *hash, const void *data, size_t size) const {
- LDID_SHA1(static_cast<const uint8_t *>(data), size, hash);
+ SHA1(static_cast<const uint8_t *>(data), size, hash);
}
void operator ()(ldid::Hash &hash, const void *data, size_t size) const {
}
void operator ()(std::vector<char> &hash, const void *data, size_t size) const {
- hash.resize(LDID_SHA1_DIGEST_LENGTH);
+ hash.resize(SHA_DIGEST_LENGTH);
return operator ()(reinterpret_cast<uint8_t *>(hash.data()), data, size);
}
+
+ virtual const char *name() {
+ return "sha1";
+ }
};
struct AlgorithmSHA256 :
Algorithm
{
AlgorithmSHA256() :
- Algorithm(LDID_SHA256_DIGEST_LENGTH, CS_HASHTYPE_SHA256_256)
+ Algorithm(SHA256_DIGEST_LENGTH, CS_HASHTYPE_SHA256_256)
{
}
}
void operator ()(uint8_t *hash, const void *data, size_t size) const {
- LDID_SHA256(static_cast<const uint8_t *>(data), size, hash);
+ SHA256(static_cast<const uint8_t *>(data), size, hash);
}
void operator ()(ldid::Hash &hash, const void *data, size_t size) const {
}
void operator ()(std::vector<char> &hash, const void *data, size_t size) const {
- hash.resize(LDID_SHA256_DIGEST_LENGTH);
+ hash.resize(SHA256_DIGEST_LENGTH);
return operator ()(reinterpret_cast<uint8_t *>(hash.data()), data, size);
}
+
+ virtual const char *name() {
+ return "sha256";
+ }
};
+static bool do_sha1(true);
+static bool do_sha256(true);
+
static const std::vector<Algorithm *> &GetAlgorithms() {
static AlgorithmSHA1 sha1;
static AlgorithmSHA256 sha256;
- static Algorithm *array[] = {
- &sha1,
- &sha256,
- };
+ static std::vector<Algorithm *> algorithms;
+ if (algorithms.empty()) {
+ if (do_sha1)
+ algorithms.push_back(&sha1);
+ if (do_sha256)
+ algorithms.push_back(&sha256);
+ }
- static std::vector<Algorithm *> algorithms(array, array + sizeof(array) / sizeof(array[0]));
return algorithms;
}
+struct Baton {
+ std::string entitlements_;
+ std::string derformat_;
+};
+
struct CodesignAllocation {
FatMachHeader mach_header_;
- uint32_t offset_;
+ uint64_t offset_;
uint32_t size_;
- uint32_t limit_;
+ uint64_t limit_;
uint32_t alloc_;
uint32_t align_;
+ const char *arch_;
+ Baton baton_;
- CodesignAllocation(FatMachHeader mach_header, size_t offset, size_t size, size_t limit, size_t alloc, size_t align) :
+ CodesignAllocation(FatMachHeader mach_header, size_t offset, size_t size, size_t limit, size_t alloc, size_t align, const char *arch, const Baton &baton) :
mach_header_(mach_header),
offset_(offset),
size_(size),
limit_(limit),
alloc_(alloc),
- align_(align)
+ align_(align),
+ arch_(arch),
+ baton_(baton)
{
}
};
}
void open(const char *path, int flags) {
- _assert(file_ == -1);
- file_ = _syscall(::open(path, flags));
+ file_ = ::open(path, flags);
+ if (file_ == -1) {
+ fprintf(stderr, "ldid: %s: %s\n", path, strerror(errno));
+ exit(1);
+ }
}
int file() const {
void *data_;
size_t size_;
- void clear() {
- if (data_ == NULL)
- return;
- _syscall(munmap(data_, size_));
- data_ = NULL;
- size_ = 0;
- }
-
public:
Map() :
data_(NULL),
open(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
}
+ void clear() {
+ if (data_ == NULL)
+ return;
+ _syscall(munmap(data_, size_));
+ data_ = NULL;
+ size_ = 0;
+ }
+
void *data() const {
return data_;
}
return std::string(static_cast<char *>(data_), size_);
}
};
-#endif
+#endif // LDID_NOTOOLS
namespace ldid {
+static plist_t plist(const std::string &data);
+
+void Analyze(const MachHeader &mach_header, const Functor<void (const char *data, size_t size)> &entitle) {
+ _foreach (load_command, mach_header.GetLoadCommands())
+ if (mach_header.Swap(load_command->cmd) == LC_CODE_SIGNATURE) {
+ auto signature(reinterpret_cast<struct linkedit_data_command *>(load_command));
+ auto offset(mach_header.Swap(signature->dataoff));
+ auto pointer(reinterpret_cast<uint8_t *>(mach_header.GetBase()) + offset);
+ auto super(reinterpret_cast<struct SuperBlob *>(pointer));
+
+ for (size_t index(0); index != Swap(super->count); ++index)
+ if (Swap(super->index[index].type) == CSSLOT_ENTITLEMENTS) {
+ auto begin(Swap(super->index[index].offset));
+ auto blob(reinterpret_cast<struct Blob *>(pointer + begin));
+ auto writ(Swap(blob->length) - sizeof(*blob));
+ entitle(reinterpret_cast<char *>(blob + 1), writ);
+ }
+ }
+}
+
std::string Analyze(const void *data, size_t size) {
std::string entitlements;
FatHeader fat_header(const_cast<void *>(data), size);
_foreach (mach_header, fat_header.GetMachHeaders())
- _foreach (load_command, mach_header.GetLoadCommands())
- if (mach_header.Swap(load_command->cmd) == LC_CODE_SIGNATURE) {
- auto signature(reinterpret_cast<struct linkedit_data_command *>(load_command));
- auto offset(mach_header.Swap(signature->dataoff));
- auto pointer(reinterpret_cast<uint8_t *>(mach_header.GetBase()) + offset);
- auto super(reinterpret_cast<struct SuperBlob *>(pointer));
-
- for (size_t index(0); index != Swap(super->count); ++index)
- if (Swap(super->index[index].type) == CSSLOT_ENTITLEMENTS) {
- auto begin(Swap(super->index[index].offset));
- auto blob(reinterpret_cast<struct Blob *>(pointer + begin));
- auto writ(Swap(blob->length) - sizeof(*blob));
-
- if (entitlements.empty())
- entitlements.assign(reinterpret_cast<char *>(blob + 1), writ);
- else
- _assert(entitlements.compare(0, entitlements.size(), reinterpret_cast<char *>(blob + 1), writ) == 0);
- }
- }
+ Analyze(mach_header, fun([&](const char *data, size_t size) {
+ if (entitlements.empty())
+ entitlements.assign(data, size);
+ else
+ if (entitlements.compare(0, entitlements.size(), data, size) != 0) {
+ fprintf(stderr, "ldid: Entitlements do not match\n");
+ exit(1);
+ }
+ }));
return entitlements;
}
-static void Allocate(const void *idata, size_t isize, std::streambuf &output, const Functor<size_t (const MachHeader &, size_t)> &allocate, const Functor<size_t (const MachHeader &, std::streambuf &output, size_t, const std::string &, const char *, const Functor<void (double)> &)> &save, const Functor<void (double)> &percent) {
+static void Allocate(const void *idata, size_t isize, std::streambuf &output, const Functor<size_t (const MachHeader &, Baton &, size_t)> &allocate, const Functor<size_t (const MachHeader &, const Baton &, std::streambuf &output, size_t, size_t, size_t, const std::string &, const char *, const Progress &)> &save, const Progress &progress) {
FatHeader source(const_cast<void *>(idata), isize);
size_t offset(0);
_foreach (load_command, mach_header.GetLoadCommands()) {
uint32_t cmd(mach_header.Swap(load_command->cmd));
- if (false);
- else if (cmd == LC_CODE_SIGNATURE)
+ if (cmd == LC_CODE_SIGNATURE)
signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
else if (cmd == LC_SYMTAB)
symtab = reinterpret_cast<struct symtab_command *>(load_command);
if (symtab != NULL) {
auto end(mach_header.Swap(symtab->stroff) + mach_header.Swap(symtab->strsize));
- _assert(end <= size);
- _assert(end >= size - 0x10);
- size = end;
+ if (symtab->stroff != 0 || symtab->strsize != 0) {
+ _assert(end <= size);
+ _assert(end >= size - 0x10);
+ size = end;
+ }
}
- size_t alloc(allocate(mach_header, size));
+ Baton baton;
+ size_t alloc(allocate(mach_header, baton, size));
auto *fat_arch(mach_header.GetFatArch());
uint32_t align;
break;
case CPU_TYPE_ARM:
case CPU_TYPE_ARM64:
+ case CPU_TYPE_ARM64_32:
align = 0xe;
break;
default:
break;
}
+ const char *arch(NULL);
+ switch (mach_header.GetCPUType()) {
+ case CPU_TYPE_POWERPC:
+ arch = "ppc";
+ break;
+ case CPU_TYPE_POWERPC64:
+ arch = "ppc64";
+ break;
+ case CPU_TYPE_X86:
+ arch = "i386";
+ break;
+ case CPU_TYPE_X86_64:
+ arch = "x86_64";
+ break;
+ case CPU_TYPE_ARM:
+ arch = "arm";
+ break;
+ case CPU_TYPE_ARM64:
+ arch = "arm64";
+ break;
+ case CPU_TYPE_ARM64_32:
+ arch = "arm64_32";
+ break;
+ }
+
offset = Align(offset, 1 << align);
uint32_t limit(size);
if (alloc != 0)
limit = Align(limit, 0x10);
- allocations.push_back(CodesignAllocation(mach_header, offset, size, limit, alloc, align));
+ allocations.push_back(CodesignAllocation(mach_header, offset, size, limit, alloc, align, arch, baton));
offset += size + alloc;
offset = Align(offset, 0x10);
}
put(output, &fat_header, sizeof(fat_header));
position += sizeof(fat_header);
+ // XXX: support fat_arch_64 (not in my toolchain)
+ // probably use C++14 generic lambda (not in my toolchain)
+
+ _assert_(![&]() {
+ _foreach (allocation, allocations) {
+ const auto offset(allocation.offset_);
+ const auto size(allocation.limit_ + allocation.alloc_);
+ if (uint32_t(offset) != offset || uint32_t(size) != size)
+ return true;
+ }
+ return false;
+ }(), "FAT slice >=4GiB not currently supported");
+
_foreach (allocation, allocations) {
auto &mach_header(allocation.mach_header_);
fat_arch fat_arch;
fat_arch.cputype = Swap(mach_header->cputype);
fat_arch.cpusubtype = Swap(mach_header->cpusubtype);
- fat_arch.offset = Swap(allocation.offset_);
- fat_arch.size = Swap(allocation.limit_ + allocation.alloc_);
+ fat_arch.offset = Swap(uint32_t(allocation.offset_));
+ fat_arch.size = Swap(uint32_t(allocation.limit_ + allocation.alloc_));
fat_arch.align = Swap(allocation.align_);
put(output, &fat_arch, sizeof(fat_arch));
position += sizeof(fat_arch);
}
_foreach (allocation, allocations) {
+ progress(allocation.arch_);
auto &mach_header(allocation.mach_header_);
pad(output, allocation.offset_ - position);
position = allocation.offset_;
+ size_t left(-1);
+ size_t right(0);
+
std::vector<std::string> commands;
_foreach (load_command, mach_header.GetLoadCommands()) {
continue;
break;
+ // XXX: this is getting ridiculous: provide a better abstraction
+
case LC_SEGMENT: {
auto segment_command(reinterpret_cast<struct segment_command *>(©[0]));
- if (strncmp(segment_command->segname, "__LINKEDIT", 16) != 0)
- break;
- size_t size(mach_header.Swap(allocation.limit_ + allocation.alloc_ - mach_header.Swap(segment_command->fileoff)));
- segment_command->filesize = size;
- segment_command->vmsize = Align(size, 1 << allocation.align_);
+
+ if ((segment_command->initprot & 04) != 0) {
+ auto begin(mach_header.Swap(segment_command->fileoff));
+ auto end(begin + mach_header.Swap(segment_command->filesize));
+ if (left > begin)
+ left = begin;
+ if (right < end)
+ right = end;
+ }
+
+ if (strncmp(segment_command->segname, "__LINKEDIT", 16) == 0) {
+ size_t size(mach_header.Swap(allocation.limit_ + allocation.alloc_ - mach_header.Swap(segment_command->fileoff)));
+ segment_command->filesize = size;
+ segment_command->vmsize = Align(size, 1 << allocation.align_);
+ }
} break;
case LC_SEGMENT_64: {
auto segment_command(reinterpret_cast<struct segment_command_64 *>(©[0]));
- if (strncmp(segment_command->segname, "__LINKEDIT", 16) != 0)
- break;
- size_t size(mach_header.Swap(allocation.limit_ + allocation.alloc_ - mach_header.Swap(segment_command->fileoff)));
- segment_command->filesize = size;
- segment_command->vmsize = Align(size, 1 << allocation.align_);
+
+ if ((segment_command->initprot & 04) != 0) {
+ auto begin(mach_header.Swap(segment_command->fileoff));
+ auto end(begin + mach_header.Swap(segment_command->filesize));
+ if (left > begin)
+ left = begin;
+ if (right < end)
+ right = end;
+ }
+
+ if (strncmp(segment_command->segname, "__LINKEDIT", 16) == 0) {
+ size_t size(mach_header.Swap(allocation.limit_ + allocation.alloc_ - mach_header.Swap(segment_command->fileoff)));
+ segment_command->filesize = size;
+ segment_command->vmsize = Align(size, 1 << allocation.align_);
+ }
} break;
}
std::string overlap(altern.str());
overlap.append(top + overlap.size(), Align(overlap.size(), 0x1000) - overlap.size());
- put(output, top + (position - begin), allocation.size_ - (position - begin), percent);
+ put(output, top + (position - begin), allocation.size_ - (position - begin), progress);
position = begin + allocation.size_;
pad(output, allocation.limit_ - allocation.size_);
position += allocation.limit_ - allocation.size_;
- size_t saved(save(mach_header, output, allocation.limit_, overlap, top, percent));
+ size_t saved(save(mach_header, allocation.baton_, output, allocation.limit_, left, right, overlap, top, progress));
if (allocation.alloc_ > saved)
pad(output, allocation.alloc_ - saved);
else
return offset;
}
-#ifndef LDID_NOSMIME
class Buffer {
private:
BIO *bio_;
Buffer(PKCS7 *pkcs) :
Buffer()
{
- _assert(i2d_PKCS7_bio(bio_, pkcs) != 0);
+ if (i2d_PKCS7_bio(bio_, pkcs) == 0){
+ fprintf(stderr, "ldid: An error occured while getting the PKCS7 file: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
}
~Buffer() {
value_(d2i_PKCS12_bio(bio, NULL)),
ca_(NULL)
{
- _assert(value_ != NULL);
- _assert(PKCS12_parse(value_, "", &key_, &cert_, &ca_) != 0);
- _assert(key_ != NULL);
- _assert(cert_ != NULL);
+ if (value_ == NULL){
+ fprintf(stderr, "ldid: An error occured while getting the PKCS12 file: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+
+ if (!PKCS12_verify_mac(value_, "", 0) && password.empty()) {
+ char passbuf[2048];
+ UI_UTIL_read_pw_string(passbuf, 2048, "Enter password: ", 0);
+ password = passbuf;
+ }
+
+ if (PKCS12_parse(value_, password.c_str(), &key_, &cert_, &ca_) <= 0){
+ fprintf(stderr, "ldid: An error occured while parsing: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+ if (key_ == NULL || cert_ == NULL){
+ fprintf(stderr, "ldid: An error occured while parsing: %s\nYour p12 cert might not be valid\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+
+ if (ca_ == NULL)
+ ca_ = sk_X509_new_null();
+ if (ca_ == NULL){
+ fprintf(stderr, "ldid: An error occured while parsing: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
}
Stuff(const std::string &data) :
}
};
+//Â xina fix;
+struct SEQUENCE_hash_sha1 {
+ uint8_t SEQUENCE[2] = {0x30, 0x1d}; // size
+ uint8_t OBJECT_IDENTIFIER[7] = {0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A}; // OBJECT IDENTIFIER 1.3.14.3.2.26 sha1 (OIW)
+ uint8_t hash_size[2] = {0x04, 0x14};
+ char hash[20];
+};
+
+struct SEQUENCE_hash_sha256 {
+ uint8_t SEQUENCE[2] = {0x30, 0x2d}; // size
+ uint8_t OBJECT_IDENTIFIER[11] = {0x06 ,0x09 ,0x60, 0x86, 0x48, 0x01 ,0x65, 0x03, 0x04, 0x02, 0x01}; // 2.16.840.1.101.3.4.2.1 sha-256 (NIST Algorithm)
+ uint8_t hash_size[2] = {0x04, 0x20}; // hash size
+ char hash[32];
+};
+
class Signature {
private:
PKCS7 *value_;
public:
- Signature(const Stuff &stuff, const Buffer &data, const std::string &xml) {
+ Signature(const Stuff &stuff, const Buffer &data, const std::string &xml, const std::vector<char>& alternateCDSHA1, const std::vector<char>& alternateCDSHA256) {
value_ = PKCS7_new();
- _assert(value_ != NULL);
+ if (value_ == NULL){
+ fprintf(stderr, "ldid: An error occured while getting creating PKCS7 file: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
- _assert(PKCS7_set_type(value_, NID_pkcs7_signed));
- _assert(PKCS7_content_new(value_, NID_pkcs7_data));
+ if (PKCS7_set_type(value_, NID_pkcs7_signed) == 0 ||
+ PKCS7_content_new(value_, NID_pkcs7_data) == 0) {
+ fprintf(stderr, "ldid: An error occured while getting creating PKCS7 file: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
STACK_OF(X509) *certs(stuff);
- for (unsigned i(0), e(sk_X509_num(certs)); i != e; i++)
- _assert(PKCS7_add_certificate(value_, sk_X509_value(certs, e - i - 1)));
+ for (unsigned i(0), e(sk_X509_num(certs)); i != e; i++) {
+ if (PKCS7_add_certificate(value_, sk_X509_value(certs, e - i - 1)) == 0) {
+ fprintf(stderr, "ldid: An error occured while signing: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+ }
auto info(PKCS7_sign_add_signer(value_, stuff, stuff, NULL, PKCS7_NOSMIMECAP));
- _assert(info != NULL);
+ if (info == NULL){
+ fprintf(stderr, "ldid: An error occured while signing: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+
+ X509_ATTRIBUTE *attribute = X509_ATTRIBUTE_new();
+ ASN1_OBJECT *obj2 = OBJ_txt2obj("1.2.840.113635.100.9.2", 1);
+ X509_ATTRIBUTE_set1_object(attribute, obj2);
+ if (alternateCDSHA1.size() != 0) {
+ //Â xina fix;
+ SEQUENCE_hash_sha1 seq1;
+ memcpy((void *)seq1.hash, (void *)alternateCDSHA1.data(), alternateCDSHA1.size());
+ X509_ATTRIBUTE_set1_data(attribute, V_ASN1_SEQUENCE, &seq1, sizeof(seq1));
+ }
+ if (alternateCDSHA256.size() != 0) {
+ //Â xina fix;
+ SEQUENCE_hash_sha256 seq256;
+ memcpy((void *)seq256.hash, (void *)alternateCDSHA256.data(), alternateCDSHA256.size());
+ X509_ATTRIBUTE_set1_data(attribute, V_ASN1_SEQUENCE, &seq256, sizeof(seq256));
+ }
+
+ STACK_OF(X509_ATTRIBUTE) *sk = PKCS7_get_signed_attributes(info);
+ if (!sk_X509_ATTRIBUTE_push(sk, attribute)) {
+ fprintf(stderr, "ldid: sk_X509_ATTRIBUTE_push failed: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
PKCS7_set_detached(value_, 1);
ASN1_OCTET_STRING *string(ASN1_OCTET_STRING_new());
- _assert(string != NULL);
+ if (string == NULL) {
+ fprintf(stderr, "ldid: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+
try {
- _assert(ASN1_STRING_set(string, xml.data(), xml.size()));
+ if (ASN1_STRING_set(string, xml.data(), xml.size()) == 0) {
+ fprintf(stderr, "ldid: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
static auto nid(OBJ_create("1.2.840.113635.100.9.1", "", ""));
- _assert(PKCS7_add_signed_attribute(info, nid, V_ASN1_OCTET_STRING, string));
+ if (PKCS7_add_signed_attribute(info, nid, V_ASN1_OCTET_STRING, string) == 0) {
+ fprintf(stderr, "ldid: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
} catch (...) {
ASN1_OCTET_STRING_free(string);
throw;
}
- _assert(PKCS7_final(value_, data, PKCS7_BINARY));
+ if (PKCS7_final(value_, data, PKCS7_BINARY) == 0) {
+ fprintf(stderr, "ldid: Failed to sign: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
}
~Signature() {
return value_;
}
};
-#endif
class NullBuffer :
public std::streambuf
}
};
-class Digest {
- public:
- uint8_t sha1_[LDID_SHA1_DIGEST_LENGTH];
-};
-
class HashBuffer :
public std::streambuf
{
private:
ldid::Hash &hash_;
- LDID_SHA1_CTX sha1_;
- LDID_SHA256_CTX sha256_;
+ EVP_MD_CTX *sha1_;
+ EVP_MD_CTX *sha256_;
public:
HashBuffer(ldid::Hash &hash) :
hash_(hash)
{
- LDID_SHA1_Init(&sha1_);
- LDID_SHA256_Init(&sha256_);
+ sha1_ = EVP_MD_CTX_new();
+ sha256_ = EVP_MD_CTX_new();
+
+ EVP_DigestInit_ex(sha1_, EVP_get_digestbyname("sha1"), nullptr);
+ EVP_DigestInit_ex(sha256_, EVP_get_digestbyname("sha256"), nullptr);
}
~HashBuffer() {
- LDID_SHA1_Final(reinterpret_cast<uint8_t *>(hash_.sha1_), &sha1_);
- LDID_SHA256_Final(reinterpret_cast<uint8_t *>(hash_.sha256_), &sha256_);
+ EVP_DigestFinal_ex(sha1_, reinterpret_cast<uint8_t *>(hash_.sha1_), nullptr);
+ EVP_DigestFinal_ex(sha256_, reinterpret_cast<uint8_t *>(hash_.sha256_), nullptr);
+
+ EVP_MD_CTX_free(sha1_);
+ EVP_MD_CTX_free(sha256_);
}
virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
- LDID_SHA1_Update(&sha1_, data, size);
- LDID_SHA256_Update(&sha256_, data, size);
+ EVP_DigestUpdate(sha1_, data, size);
+ EVP_DigestUpdate(sha256_, data, size);
return size;
}
std::string temp(split.dir + ".ldid." + split.base);
mkdir_p(split.dir);
_assert_(file.open(temp.c_str(), std::ios::out | std::ios::trunc | std::ios::binary) == &file, "open(): %s", temp.c_str());
+ cleanup.push_back(temp);
return temp;
}
}
_syscall(rename(temp.c_str(), path.c_str()));
+ cleanup.erase(std::remove(cleanup.begin(), cleanup.end(), temp), cleanup.end());
}
-#endif
+#endif // LDID_NOTOOLS
namespace ldid {
static void get(std::string &value, X509_NAME *name, int nid) {
auto index(X509_NAME_get_index_by_NID(name, nid, -1));
- _assert(index >= 0);
+ if (index < 0) {
+ fprintf(stderr, "ldid: An error occursed while parsing the certificate: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
auto next(X509_NAME_get_index_by_NID(name, nid, index));
- _assert(next == -1);
+ if (next != -1) {
+ fprintf(stderr, "ldid: An error occursed while parsing the certificate: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
auto entry(X509_NAME_get_entry(name, index));
- _assert(entry != NULL);
+ if (entry == NULL) {
+ fprintf(stderr, "ldid: An error occursed while parsing the certificate: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
auto asn(X509_NAME_ENTRY_get_data(entry));
- _assert(asn != NULL);
- value.assign(reinterpret_cast<char *>(ASN1_STRING_data(asn)), ASN1_STRING_length(asn));
+ if (asn == NULL) {
+ fprintf(stderr, "ldid: An error occursed while parsing the certificate: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
+ value.assign(reinterpret_cast<const char *>(ASN1_STRING_get0_data(asn)), ASN1_STRING_length(asn));
}
static void req(std::streambuf &buffer, uint32_t value) {
put(buffer, zeros, 3 - (Size_ + 3) % 4);
}
-Hash Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &requirements, const std::string &key, const Slots &slots, const Functor<void (double)> &percent) {
+Hash Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, bool merge, const std::string &requirements, const std::string &key, const Slots &slots, uint32_t flags, bool platform, const Progress &progress) {
Hash hash;
std::string team;
std::string common;
-#ifndef LDID_NOSMIME
if (!key.empty()) {
Stuff stuff(key);
auto name(X509_get_subject_name(stuff));
- _assert(name != NULL);
+ if (name == NULL){
+ fprintf(stderr, "ldid: Your certificate might not be valid: %s\n", ERR_error_string(ERR_get_error(), NULL));
+ exit(1);
+ }
get(team, name, NID_organizationalUnitName);
get(common, name, NID_commonName);
}
-#endif
std::stringbuf backing;
// XXX: this is just a "sufficiently large number"
size_t certificate(0x3000);
- Allocate(idata, isize, output, fun([&](const MachHeader &mach_header, size_t size) -> size_t {
+ Allocate(idata, isize, output, fun([&](const MachHeader &mach_header, Baton &baton, size_t size) -> size_t {
size_t alloc(sizeof(struct SuperBlob));
uint32_t normal((size + PageSize_ - 1) / PageSize_);
alloc += sizeof(struct BlobIndex);
alloc += backing.str().size();
- if (!entitlements.empty()) {
+ if (merge)
+ Analyze(mach_header, fun([&](const char *data, size_t size) {
+ baton.entitlements_.assign(data, size);
+ }));
+
+ if (!baton.entitlements_.empty() || !entitlements.empty()) {
+ auto combined(plist(baton.entitlements_));
+ _scope({ plist_free(combined); });
+ if (plist_get_node_type(combined) != PLIST_DICT) {
+ fprintf(stderr, "ldid: Existing entitlements are in wrong format\n");
+ exit(1);
+ };
+
+ auto merging(plist(entitlements));
+ _scope({ plist_free(merging); });
+ if (plist_get_node_type(merging) != PLIST_DICT) {
+ fprintf(stderr, "ldid: Entitlements need a root key of dict\n");
+ exit(1);
+ };
+
+ plist_dict_iter iterator(NULL);
+ plist_dict_new_iter(merging, &iterator);
+ _scope({ free(iterator); });
+
+ for (;;) {
+ char *key(NULL);
+ plist_t value(NULL);
+ plist_dict_next_item(merging, iterator, &key, &value);
+ if (key == NULL)
+ break;
+ _scope({ free(key); });
+ plist_dict_set_item(combined, key, plist_copy(value));
+ }
+
+ baton.derformat_ = der(combined);
+
+ char *xml(NULL);
+ uint32_t size;
+ plist_to_xml(combined, &xml, &size);
+ _scope({ free(xml); });
+
+ baton.entitlements_.assign(xml, size);
+ }
+
+ if (!baton.entitlements_.empty()) {
special = std::max(special, CSSLOT_ENTITLEMENTS);
alloc += sizeof(struct BlobIndex);
alloc += sizeof(struct Blob);
- alloc += entitlements.size();
+ alloc += baton.entitlements_.size();
+ }
+
+ if (!baton.derformat_.empty()) {
+ special = std::max(special, CSSLOT_DERFORMAT);
+ alloc += sizeof(struct BlobIndex);
+ alloc += sizeof(struct Blob);
+ alloc += baton.derformat_.size();
}
size_t directory(0);
for (Algorithm *algorithm : GetAlgorithms())
alloc = Align(alloc + directory + (special + normal) * algorithm->size_, 16);
-#ifndef LDID_NOSMIME
if (!key.empty()) {
alloc += sizeof(struct BlobIndex);
alloc += sizeof(struct Blob);
alloc += certificate;
}
-#endif
return alloc;
- }), fun([&](const MachHeader &mach_header, std::streambuf &output, size_t limit, const std::string &overlap, const char *top, const Functor<void (double)> &percent) -> size_t {
+ }), fun([&](const MachHeader &mach_header, const Baton &baton, std::streambuf &output, size_t limit, size_t left, size_t right, const std::string &overlap, const char *top, const Progress &progress) -> size_t {
Blobs blobs;
if (true) {
insert(blobs, CSSLOT_REQUIREMENTS, backing);
}
- if (!entitlements.empty()) {
+ uint64_t execs(0);
+ if (mach_header.Swap(mach_header->filetype) == MH_EXECUTE)
+ execs |= kSecCodeExecSegMainBinary;
+
+ if (!baton.entitlements_.empty()) {
std::stringbuf data;
- put(data, entitlements.data(), entitlements.size());
+ put(data, baton.entitlements_.data(), baton.entitlements_.size());
insert(blobs, CSSLOT_ENTITLEMENTS, CSMAGIC_EMBEDDED_ENTITLEMENTS, data);
+
+ auto entitlements(plist(baton.entitlements_));
+ _scope({ plist_free(entitlements); });
+ if (plist_get_node_type(entitlements) != PLIST_DICT) {
+ fprintf(stderr, "ldid: Entitlements should be a plist dicionary\n");
+ exit(1);
+ }
+
+ const auto entitled([&](const char *key) {
+ auto item(plist_dict_get_item(entitlements, key));
+ if (plist_get_node_type(item) != PLIST_BOOLEAN)
+ return false;
+ uint8_t value(0);
+ plist_get_bool_val(item, &value);
+ return value != 0;
+ });
+
+ if (entitled("get-task-allow"))
+ execs |= kSecCodeExecSegAllowUnsigned;
+ if (entitled("run-unsigned-code"))
+ execs |= kSecCodeExecSegAllowUnsigned;
+ if (entitled("com.apple.private.cs.debugger"))
+ execs |= kSecCodeExecSegDebugger;
+ if (entitled("dynamic-codesigning"))
+ execs |= kSecCodeExecSegJit;
+ if (entitled("com.apple.private.skip-library-validation"))
+ execs |= kSecCodeExecSegSkipLibraryVal;
+ if (entitled("com.apple.private.amfi.can-load-cdhash"))
+ execs |= kSecCodeExecSegCanLoadCdHash;
+ if (entitled("com.apple.private.amfi.can-execute-cdhash"))
+ execs |= kSecCodeExecSegCanExecCdHash;
+ }
+
+ if (!baton.derformat_.empty()) {
+ std::stringbuf data;
+ put(data, baton.derformat_.data(), baton.derformat_.size());
+ insert(blobs, CSSLOT_DERFORMAT, CSMAGIC_EMBEDDED_DERFORMAT, data);
}
Slots posts(slots);
uint32_t normal((limit + PageSize_ - 1) / PageSize_);
CodeDirectory directory;
- directory.version = Swap(uint32_t(0x00020200));
- directory.flags = Swap(uint32_t(0));
+ directory.version = Swap(uint32_t(0x00020400));
+ directory.flags = Swap(uint32_t(flags));
directory.nSpecialSlots = Swap(special);
- directory.codeLimit = Swap(uint32_t(limit));
+ directory.codeLimit = Swap(uint32_t(limit > UINT32_MAX ? UINT32_MAX : limit));
directory.nCodeSlots = Swap(normal);
directory.hashSize = algorithm.size_;
directory.hashType = algorithm.type_;
- directory.spare1 = 0x00;
+ directory.platform = platform ? 0x01 : 0x00;
directory.pageSize = PageShift_;
directory.spare2 = Swap(uint32_t(0));
directory.scatterOffset = Swap(uint32_t(0));
- //directory.spare3 = Swap(uint32_t(0));
- //directory.codeLimit64 = Swap(uint64_t(0));
+ directory.spare3 = Swap(uint32_t(0));
+ directory.codeLimit64 = Swap(uint64_t(limit > UINT32_MAX ? limit : 0));
+ directory.execSegBase = Swap(uint64_t(left));
+ directory.execSegLimit = Swap(uint64_t(right - left));
+ directory.execSegFlags = Swap(execs);
uint32_t offset(sizeof(Blob) + sizeof(CodeDirectory));
_foreach (slot, posts)
memcpy(hashes - slot.first * algorithm.size_, algorithm[slot.second], algorithm.size_);
- percent(0);
+ progress(0);
if (normal != 1)
for (size_t i = 0; i != normal - 1; ++i) {
algorithm(hashes + i * algorithm.size_, (PageSize_ * i < overlap.size() ? overlap.data() : top) + PageSize_ * i, PageSize_);
- percent(double(i) / normal);
+ progress(double(i) / normal);
}
if (normal != 0)
algorithm(hashes + (normal - 1) * algorithm.size_, top + PageSize_ * (normal - 1), ((limit - 1) % PageSize_) + 1);
- percent(1);
+ progress(1);
put(data, storage.data(), storage.size());
++total;
}
-#ifndef LDID_NOSMIME
if (!key.empty()) {
auto plist(plist_new_dict());
_scope({ plist_free(plist); });
auto cdhashes(plist_new_array());
plist_dict_set_item(plist, "cdhashes", cdhashes);
+ std::vector<char> alternateCDSHA256;
+ std::vector<char> alternateCDSHA1;
+
unsigned total(0);
for (Algorithm *pointer : GetAlgorithms()) {
Algorithm &algorithm(*pointer);
std::vector<char> hash;
algorithm(hash, blob.data(), blob.size());
+ if (algorithm.type_ == CS_HASHTYPE_SHA256_256)
+ alternateCDSHA256 = hash;
+ else if (algorithm.type_ == CS_HASHTYPE_SHA160_160)
+ alternateCDSHA1 = hash;
hash.resize(20);
plist_array_append_item(cdhashes, plist_new_data(hash.data(), hash.size()));
Stuff stuff(key);
Buffer bio(sign);
- Signature signature(stuff, sign, std::string(xml, size));
+ Signature signature(stuff, sign, std::string(xml, size), alternateCDSHA1, alternateCDSHA256);
Buffer result(signature);
std::string value(result);
put(data, value.data(), value.size());
const auto &save(insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data));
_assert(save.size() <= certificate);
}
-#endif
return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs);
- }), percent);
+ }), progress);
return hash;
}
#ifndef LDID_NOTOOLS
-static void Unsign(void *idata, size_t isize, std::streambuf &output, const Functor<void (double)> &percent) {
- Allocate(idata, isize, output, fun([](const MachHeader &mach_header, size_t size) -> size_t {
+static void Unsign(void *idata, size_t isize, std::streambuf &output, const Progress &progress) {
+ Allocate(idata, isize, output, fun([](const MachHeader &mach_header, Baton &baton, size_t size) -> size_t {
return 0;
- }), fun([](const MachHeader &mach_header, std::streambuf &output, size_t limit, const std::string &overlap, const char *top, const Functor<void (double)> &percent) -> size_t {
+ }), fun([](const MachHeader &mach_header, const Baton &baton, std::streambuf &output, size_t limit, size_t left, size_t right, const std::string &overlap, const char *top, const Progress &progress) -> size_t {
return 0;
- }), percent);
+ }), progress);
}
std::string DiskFolder::Path(const std::string &path) const {
- return path_ + "/" + path;
+ return path_ + path;
}
DiskFolder::DiskFolder(const std::string &path) :
path_(path)
{
+ _assert_(path_.size() != 0 && path_[path_.size() - 1] == '/', "missing / on %s", path_.c_str());
}
DiskFolder::~DiskFolder() {
#ifdef __WIN32__
struct stat info;
_syscall(stat((path + name).c_str(), &info));
- if (false);
- else if (S_ISDIR(info.st_mode))
+ if (S_ISDIR(info.st_mode))
directory = true;
else if (S_ISREG(info.st_mode))
directory = false;
void DiskFolder::Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code) {
if (!edit) {
- // XXX: use nullbuf
- std::stringbuf save;
+ NullBuffer save;
code(save);
} else {
std::filebuf save;
void DiskFolder::Open(const std::string &path, const Functor<void (std::streambuf &, size_t, const void *)> &code) const {
std::filebuf data;
auto result(data.open(Path(path).c_str(), std::ios::binary | std::ios::in));
- _assert_(result == &data, "DiskFolder::Open(%s)", path.c_str());
+ _assert_(result == &data, "DiskFolder::Open(%s)", Path(path).c_str());
auto length(data.pubseekoff(0, std::ios::end, std::ios::in));
data.pubseekpos(0, std::ios::in);
void DiskFolder::Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const {
Find(path, "", code, link);
}
-#endif
+#endif // LDID_NOTOOLS
SubFolder::SubFolder(Folder &parent, const std::string &path) :
parent_(parent),
path_(path)
{
+ _assert_(path_.size() == 0 || path_[path_.size() - 1] == '/', "missing / on %s", path_.c_str());
+}
+
+std::string SubFolder::Path(const std::string &path) const {
+ return path_ + path;
}
void SubFolder::Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code) {
- return parent_.Save(path_ + path, edit, flag, code);
+ return parent_.Save(Path(path), edit, flag, code);
}
bool SubFolder::Look(const std::string &path) const {
- return parent_.Look(path_ + path);
+ return parent_.Look(Path(path));
}
void SubFolder::Open(const std::string &path, const Functor<void (std::streambuf &, size_t, const void *)> &code) const {
- return parent_.Open(path_ + path, code);
+ return parent_.Open(Path(path), code);
}
void SubFolder::Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const {
- return parent_.Find(path_ + path, code, link);
+ return parent_.Find(Path(path), code, link);
}
std::string UnionFolder::Map(const std::string &path) const {
}
#ifndef LDID_NOTOOLS
-static void copy(std::streambuf &source, std::streambuf &target, size_t length, const ldid::Functor<void (double)> &percent) {
- percent(0);
+static void copy(std::streambuf &source, std::streambuf &target, size_t length, const Progress &progress) {
+ progress(0);
size_t total(0);
for (;;) {
char data[4096 * 4];
break;
_assert(target.sputn(data, writ) == writ);
total += writ;
- percent(double(total) / length);
+ progress(double(total) / length);
}
}
-#ifndef LDID_NOPLIST
static plist_t plist(const std::string &data) {
+ if (data.empty())
+ return plist_new_dict();
plist_t plist(NULL);
if (Starts(data, "bplist00"))
plist_from_bin(data.data(), data.size(), &plist);
else
plist_from_xml(data.data(), data.size(), &plist);
- _assert(plist != NULL);
+ if (plist == NULL) {
+ fprintf(stderr, "ldid: Failed to parse plist\n");
+ exit(1);
+ }
return plist;
}
static void plist_d(std::streambuf &buffer, size_t length, const Functor<void (plist_t)> &code) {
std::stringbuf data;
- copy(buffer, data, length, ldid::fun(dummy));
+ copy(buffer, data, length, dummy_);
auto node(plist(data.str()));
_scope({ plist_free(node); });
- _assert(plist_get_node_type(node) == PLIST_DICT);
+ if (plist_get_node_type(node) != PLIST_DICT) {
+ fprintf(stderr, "ldid: Unexpected plist type. Expected <dict>\n");
+ exit(1);
+ }
code(node);
}
static std::string plist_s(plist_t node) {
- _assert(node != NULL);
- _assert(plist_get_node_type(node) == PLIST_STRING);
+ if (node == NULL)
+ return NULL;
+ if (plist_get_node_type(node) != PLIST_STRING) {
+ fprintf(stderr, "ldid: Unexpected plist type. Expected <string>\n");
+ exit(1);
+ }
char *data;
plist_get_string_val(node, &data);
_scope({ free(data); });
return data;
}
-#endif
enum Mode {
NoMode,
Mode mode_;
std::string code_;
- mutable std::auto_ptr<Expression> regex_;
+ mutable std::unique_ptr<Expression> regex_;
Rule(unsigned weight, Mode mode, const std::string &code) :
weight_(weight),
}
};
-#ifndef LDID_NOPLIST
-static Hash Sign(const uint8_t *prefix, size_t size, std::streambuf &buffer, Hash &hash, std::streambuf &save, const std::string &identifier, const std::string &entitlements, const std::string &requirements, const std::string &key, const Slots &slots, size_t length, const Functor<void (double)> &percent) {
+static Hash Sign(const uint8_t *prefix, size_t size, std::streambuf &buffer, Hash &hash, std::streambuf &save, const std::string &identifier, const std::string &entitlements, bool merge, const std::string &requirements, const std::string &key, const Slots &slots, size_t length, uint32_t flags, bool platform, const Progress &progress) {
// XXX: this is a miserable fail
std::stringbuf temp;
put(temp, prefix, size);
- copy(buffer, temp, length - size, percent);
+ copy(buffer, temp, length - size, progress);
// XXX: this is a stupid hack
pad(temp, 0x10 - (length & 0xf));
auto data(temp.str());
HashProxy proxy(hash, save);
- return Sign(data.data(), data.size(), proxy, identifier, entitlements, requirements, key, slots, percent);
+ return Sign(data.data(), data.size(), proxy, identifier, entitlements, merge, requirements, key, slots, flags, platform, progress);
}
-Bundle Sign(const std::string &root, Folder &folder, const std::string &key, std::map<std::string, Hash> &remote, const std::string &requirements, const Functor<std::string (const std::string &, const std::string &)> &alter, const Functor<void (const std::string &)> &progress, const Functor<void (double)> &percent) {
+struct State {
+ std::map<std::string, Hash> files;
+ std::map<std::string, std::string> links;
+
+ void Merge(const std::string &root, const State &state) {
+ for (const auto &entry : state.files)
+ files[root + entry.first] = entry.second;
+ for (const auto &entry : state.links)
+ links[root + entry.first] = entry.second;
+ }
+};
+
+Bundle Sign(const std::string &root, Folder &parent, const std::string &key, State &local, const std::string &requirements, const Functor<std::string (const std::string &, const std::string &)> &alter, const Progress &progress) {
std::string executable;
std::string identifier;
bool mac(false);
std::string info("Info.plist");
- if (!folder.Look(info) && folder.Look("Resources/" + info)) {
+
+ SubFolder folder(parent, [&]() {
+ if (parent.Look(info))
+ return "";
mac = true;
- info = "Resources/" + info;
- }
+ if (parent.Look("Contents/" + info))
+ return "Contents/";
+ else if (parent.Look("Resources/" + info)) {
+ info = "Resources/" + info;
+ return "";
+ } else {
+ fprintf(stderr, "ldid: Could not find Info.plist\n");
+ exit(1);
+ }
+ }());
folder.Open(info, fun([&](std::streambuf &buffer, size_t length, const void *flag) {
plist_d(buffer, length, fun([&](plist_t node) {
- executable = plist_s(plist_dict_get_item(node, "CFBundleExecutable"));
- identifier = plist_s(plist_dict_get_item(node, "CFBundleIdentifier"));
+ plist_t nodebuf(plist_dict_get_item(node, "CFBundleExecutable"));
+ if (nodebuf == NULL) {
+ fprintf(stderr, "ldid: Cannot find key CFBundleExecutable\n");
+ exit(1);
+ }
+ executable = plist_s(nodebuf);
+ nodebuf = plist_dict_get_item(node, "CFBundleIdentifier");
+ if (nodebuf == NULL) {
+ fprintf(stderr, "ldid: Cannot find key CFBundleIdentifier\n");
+ exit(1);
+ }
+ identifier = plist_s(nodebuf);
}));
}));
- if (!mac && folder.Look("MacOS/" + executable)) {
+ if (mac && info == "Info.plist")
executable = "MacOS/" + executable;
- mac = true;
- }
+
+ progress(root + "*");
std::string entitlements;
folder.Open(executable, fun([&](std::streambuf &buffer, size_t length, const void *flag) {
// XXX: this is a miserable fail
std::stringbuf temp;
- copy(buffer, temp, length, percent);
+ copy(buffer, temp, length, progress);
// XXX: this is a stupid hack
pad(temp, 0x10 - (length & 0xf));
auto data(temp.str());
const std::string resources(mac ? "Resources/" : "");
if (true) {
- rules1.insert(Rule{1, NoMode, "^" + resources});
+ rules1.insert(Rule{1, NoMode, "^" + (resources == "" ? ".*" : resources)});
rules1.insert(Rule{1000, OptionalMode, "^" + resources + ".*\\.lproj/"});
rules1.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"});
- rules1.insert(Rule{1010, NoMode, "^Base\\.lproj/"});
+ rules1.insert(Rule{1010, NoMode, "^" + resources + "Base\\.lproj/"});
rules1.insert(Rule{1, NoMode, "^version.plist$"});
}
if (true) {
rules2.insert(Rule{11, NoMode, ".*\\.dSYM($|/)"});
- rules2.insert(Rule{20, NoMode, "^" + resources});
+ if (mac) rules2.insert(Rule{20, NoMode, "^" + resources});
rules2.insert(Rule{2000, OmitMode, "^(.*/)?\\.DS_Store$"});
- rules2.insert(Rule{10, NestedMode, "^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/"});
+ if (mac) rules2.insert(Rule{10, NestedMode, "^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/"});
rules2.insert(Rule{1, NoMode, "^.*"});
rules2.insert(Rule{1000, OptionalMode, "^" + resources + ".*\\.lproj/"});
rules2.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"});
- rules2.insert(Rule{1010, NoMode, "^Base\\.lproj/"});
+ if (!mac) rules2.insert(Rule{1010, NoMode, "^Base\\.lproj/"});
rules2.insert(Rule{20, OmitMode, "^Info\\.plist$"});
rules2.insert(Rule{20, OmitMode, "^PkgInfo$"});
- rules2.insert(Rule{10, NestedMode, "^[^/]+$"});
+ if (mac) rules2.insert(Rule{10, NestedMode, "^[^/]+$"});
rules2.insert(Rule{20, NoMode, "^embedded\\.provisionprofile$"});
+ if (mac) rules2.insert(Rule{1010, NoMode, "^" + resources + "Base\\.lproj/"});
rules2.insert(Rule{20, NoMode, "^version\\.plist$"});
}
- std::map<std::string, Hash> local;
-
std::string failure(mac ? "Contents/|Versions/[^/]*/Resources/" : "");
Expression nested("^(Frameworks/[^/]*\\.framework|PlugIns/[^/]*\\.appex(()|/[^/]*.app))/(" + failure + ")Info\\.plist$");
std::map<std::string, Bundle> bundles;
folder.Find("", fun([&](const std::string &name) {
if (!nested(name))
return;
- auto bundle(root + Split(name).dir);
- bundle.resize(bundle.size() - resources.size());
+ auto bundle(Split(name).dir);
+ if (mac) {
+ _assert(!bundle.empty());
+ bundle = Split(bundle.substr(0, bundle.size() - 1)).dir;
+ }
SubFolder subfolder(folder, bundle);
- bundles[nested[1]] = Sign(bundle, subfolder, key, local, "", Starts(name, "PlugIns/") ? alter :
- static_cast<const Functor<std::string (const std::string &, const std::string &)> &>(fun([&](const std::string &, const std::string &entitlements) -> std::string { return entitlements; }))
- , progress, percent);
+ State remote;
+ bundles[nested[1]] = Sign(root + bundle, subfolder, key, remote, "", Starts(name, "PlugIns/") ? alter :
+ static_cast<const Functor<std::string (const std::string &, const std::string &)> &>(fun([&](const std::string &, const std::string &) -> std::string { return entitlements; }))
+ , progress);
+ local.Merge(bundle, remote);
}), fun([&](const std::string &name, const Functor<std::string ()> &read) {
}));
return false;
});
- std::map<std::string, std::string> links;
-
folder.Find("", fun([&](const std::string &name) {
if (exclude(name))
return;
- if (local.find(name) != local.end())
+ if (local.files.find(name) != local.files.end())
return;
- auto &hash(local[name]);
+ auto &hash(local.files[name]);
folder.Open(name, fun([&](std::streambuf &data, size_t length, const void *flag) {
progress(root + name);
case MH_CIGAM: case MH_CIGAM_64:
folder.Save(name, true, flag, fun([&](std::streambuf &save) {
Slots slots;
- Sign(header.bytes, size, data, hash, save, identifier, "", "", key, slots, length, percent);
+ Sign(header.bytes, size, data, hash, save, identifier, "", false, "", key, slots, length, 0, false, Progression(progress, root + name));
}));
return;
}
folder.Save(name, false, flag, fun([&](std::streambuf &save) {
HashProxy proxy(hash, save);
put(proxy, header.bytes, size);
- copy(data, proxy, length - size, percent);
+ copy(data, proxy, length - size, progress);
}));
}));
}), fun([&](const std::string &name, const Functor<std::string ()> &read) {
if (exclude(name))
return;
- links[name] = read();
+ local.links[name] = read();
}));
auto plist(plist_new_dict());
bool old(&version.second == &rules1);
- for (const auto &hash : local)
+ for (const auto &hash : local.files)
for (const auto &rule : version.second)
if (rule(hash.first)) {
if (!old && mac && excludes.find(hash.first) != excludes.end());
break;
}
- for (const auto &link : links)
- for (const auto &rule : version.second)
- if (rule(link.first)) {
- if (rule.mode_ != OmitMode) {
- auto entry(plist_new_dict());
- plist_dict_set_item(entry, "symlink", plist_new_string(link.second.c_str()));
- if (rule.mode_ == OptionalMode)
- plist_dict_set_item(entry, "optional", plist_new_bool(true));
- plist_dict_set_item(files, link.first.c_str(), entry);
- }
+ if (!old)
+ for (const auto &link : local.links)
+ for (const auto &rule : version.second)
+ if (rule(link.first)) {
+ if (rule.mode_ != OmitMode) {
+ auto entry(plist_new_dict());
+ plist_dict_set_item(entry, "symlink", plist_new_string(link.second.c_str()));
+ if (rule.mode_ == OptionalMode)
+ plist_dict_set_item(entry, "optional", plist_new_bool(true));
+ plist_dict_set_item(files, link.first.c_str(), entry);
+ }
- break;
- }
+ break;
+ }
if (!old && mac)
for (const auto &bundle : bundles) {
}
folder.Save(signature, true, NULL, fun([&](std::streambuf &save) {
- HashProxy proxy(local[signature], save);
+ HashProxy proxy(local.files[signature], save);
char *xml(NULL);
uint32_t size;
plist_to_xml(plist, &xml, &size);
}));
Bundle bundle;
- bundle.path = executable;
+ bundle.path = folder.Path(executable);
folder.Open(executable, fun([&](std::streambuf &buffer, size_t length, const void *flag) {
progress(root + executable);
folder.Save(executable, true, flag, fun([&](std::streambuf &save) {
Slots slots;
- slots[1] = local.at(info);
- slots[3] = local.at(signature);
- bundle.hash = Sign(NULL, 0, buffer, local[executable], save, identifier, entitlements, requirements, key, slots, length, percent);
+ slots[1] = local.files.at(info);
+ slots[3] = local.files.at(signature);
+ bundle.hash = Sign(NULL, 0, buffer, local.files[executable], save, identifier, entitlements, false, requirements, key, slots, length, 0, false, Progression(progress, root + executable));
}));
}));
- for (const auto &entry : local)
- remote[root + entry.first] = entry.second;
-
return bundle;
}
-Bundle Sign(const std::string &root, Folder &folder, const std::string &key, const std::string &requirements, const Functor<std::string (const std::string &, const std::string &)> &alter, const Functor<void (const std::string &)> &progress, const Functor<void (double)> &percent) {
- std::map<std::string, Hash> local;
- return Sign(root, folder, key, local, requirements, alter, progress, percent);
+Bundle Sign(const std::string &root, Folder &folder, const std::string &key, const std::string &requirements, const Functor<std::string (const std::string &, const std::string &)> &alter, const Progress &progress) {
+ State local;
+ return Sign(root, folder, key, local, requirements, alter, progress);
}
-#endif
#endif
}
+std::string Hex(const uint8_t *data, size_t size) {
+ std::string hex;
+ hex.reserve(size * 2);
+ for (size_t i(0); i != size; ++i) {
+ hex += "0123456789abcdef"[data[i] >> 4];
+ hex += "0123456789abcdef"[data[i] & 0xf];
+ }
+ return hex;
+}
+
+static void usage(const char *argv0) {
+ fprintf(stderr, "Link Identity Editor %s\n\n", LDID_VERSION);
+ fprintf(stderr, "Usage: %s [-Acputype:subtype] [-a] [-C[adhoc | enforcement | expires | hard |\n", argv0);
+ fprintf(stderr, " host | kill | library-validation | restrict | runtime]] [-D] [-d]\n");
+ fprintf(stderr, " [-Enum:file] [-e] [-H[sha1 | sha256]] [-h] [-Iname]\n");
+ fprintf(stderr, " [-Kkey.p12 [-Upassword]] [-M] [-P] [-Qrequirements.xml] [-q]\n");
+ fprintf(stderr, " [-r | -Sfile.xml | -s] [-u] [-arch arch_type] file ...\n");
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -S[file.xml] Pseudo-sign using the entitlements in file.xml\n");
+ fprintf(stderr, " -Kkey.p12 Sign using private key in key.p12\n");
+ fprintf(stderr, " -Upassword Use password to unlock key.p12\n");
+ fprintf(stderr, " -M Merge entitlements with any existing\n");
+ fprintf(stderr, " -h Print CDHash of file\n\n");
+ fprintf(stderr, "More information: 'man ldid'\n");
+}
+
+void cleanupfunc(void) {
+ for (const auto &temp : cleanup)
+ remove(temp.c_str());
+}
+
#ifndef LDID_NOTOOLS
int main(int argc, char *argv[]) {
-#ifndef LDID_NOSMIME
+ std::atexit(cleanupfunc);
OpenSSL_add_all_algorithms();
-#endif
+# if OPENSSL_VERSION_MAJOR >= 3
+ OSSL_PROVIDER *legacy = OSSL_PROVIDER_load(NULL, "legacy");
+ OSSL_PROVIDER *deflt = OSSL_PROVIDER_load(NULL, "default");
+# endif
union {
uint16_t word;
bool flag_e(false);
bool flag_q(false);
-#ifndef LDID_NOFLAGT
- bool flag_T(false);
-#endif
+ bool flag_H(false);
+ bool flag_h(false);
+
bool flag_S(false);
bool flag_s(false);
bool flag_D(false);
+ bool flag_d(false);
bool flag_A(false);
bool flag_a(false);
bool flag_u(false);
+ bool flag_M(false);
+
+ uint32_t flags(0);
+ bool platform(false);
+
uint32_t flag_CPUType(_not(uint32_t));
uint32_t flag_CPUSubtype(_not(uint32_t));
const char *flag_I(NULL);
-#ifndef LDID_NOFLAGT
- bool timeh(false);
- uint32_t timev(0);
-#endif
Map entitlements;
Map requirements;
std::vector<std::string> files;
if (argc == 1) {
- fprintf(stderr, "usage: %s -S[entitlements.xml] <binary>\n", argv[0]);
- fprintf(stderr, " %s -e MobileSafari\n", argv[0]);
- fprintf(stderr, " %s -S cat\n", argv[0]);
- fprintf(stderr, " %s -Stfp.xml gdb\n", argv[0]);
- exit(0);
+ usage(argv[0]);
+ return 0;
}
for (int argi(1); argi != argc; ++argi)
if (argv[argi][0] != '-')
files.push_back(argv[argi]);
- else switch (argv[argi][1]) {
+ else if (strcmp(argv[argi], "-arch") == 0) {
+ bool foundarch = false;
+ flag_A = true;
+ argi++;
+ if (argi == argc) {
+ fprintf(stderr, "ldid: -arch must be followed by an architecture string\n");
+ exit(1);
+ }
+ for (int i = 0; archs[i].name != NULL; i++) {
+ if (strcmp(archs[i].name, argv[argi]) == 0) {
+ flag_CPUType = archs[i].cputype;
+ flag_CPUSubtype = archs[i].cpusubtype;
+ foundarch = true;
+ }
+ if (foundarch)
+ break;
+ }
+
+ if (!foundarch) {
+ fprintf(stderr, "error: unknown architecture specification flag: -arch %s\n", argv[argi]);
+ exit(1);
+ }
+ } else switch (argv[argi][1]) {
case 'r':
- _assert(!flag_s);
- _assert(!flag_S);
+ if (flag_s || flag_S) {
+ fprintf(stderr, "ldid: Can only specify one of -r, -S, -s\n");
+ exit(1);
+ }
flag_r = true;
break;
case 'E': {
const char *string = argv[argi] + 2;
const char *colon = strchr(string, ':');
- _assert(colon != NULL);
+ if (colon == NULL) {
+ usage(argv[0]);
+ exit(1);
+ }
Map file(colon + 1, O_RDONLY, PROT_READ, MAP_PRIVATE);
char *arge;
unsigned number(strtoul(string, &arge, 0));
- _assert(arge == colon);
+ if (arge != colon || (number == 0 && errno == EINVAL)) {
+ usage(argv[0]);
+ exit(1);
+ }
auto &slot(slots[number]);
for (Algorithm *algorithm : GetAlgorithms())
(*algorithm)(slot, file.data(), file.size());
case 'q': flag_q = true; break;
+ case 'H': {
+ const char *hash = argv[argi] + 2;
+
+ if (!flag_H) {
+ flag_H = true;
+
+ do_sha1 = false;
+ do_sha256 = false;
+ }
+
+ if (strcmp(hash, "sha1") == 0)
+ do_sha1 = true;
+ else if (strcmp(hash, "sha256") == 0)
+ do_sha256 = true;
+ else {
+ fprintf(stderr, "ldid: only sha1 and sha256 are supported at this time\n");
+ exit(1);
+ }
+ } break;
+
+ case 'h': flag_h = true; break;
+
case 'Q': {
const char *xml = argv[argi] + 2;
requirements.open(xml, O_RDONLY, PROT_READ, MAP_PRIVATE);
} break;
case 'D': flag_D = true; break;
+ case 'd': flag_d = true; break;
case 'a': flag_a = true; break;
case 'A':
- _assert(!flag_A);
+ if (flag_A) {
+ fprintf(stderr, "ldid: -A can only be specified once\n");
+ exit(1);
+ }
flag_A = true;
if (argv[argi][2] != '\0') {
const char *cpu = argv[argi] + 2;
const char *colon = strchr(cpu, ':');
- _assert(colon != NULL);
+ if (colon == NULL) {
+ usage(argv[0]);
+ exit(1);
+ }
char *arge;
flag_CPUType = strtoul(cpu, &arge, 0);
- _assert(arge == colon);
+ if (arge != colon || (flag_CPUType == 0 && errno == EINVAL)) {
+ usage(argv[0]);
+ exit(1);
+ }
flag_CPUSubtype = strtoul(colon + 1, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
+ if (arge != argv[argi] + strlen(argv[argi]) || (flag_CPUSubtype == 0 && errno == EINVAL)) {
+ usage(argv[0]);
+ exit(1);
+ }
}
break;
+ case 'C': {
+ const char *name = argv[argi] + 2;
+ if (strcmp(name, "host") == 0)
+ flags |= kSecCodeSignatureHost;
+ else if (strcmp(name, "adhoc") == 0)
+ flags |= kSecCodeSignatureAdhoc;
+ else if (strcmp(name, "hard") == 0)
+ flags |= kSecCodeSignatureForceHard;
+ else if (strcmp(name, "kill") == 0)
+ flags |= kSecCodeSignatureForceKill;
+ else if (strcmp(name, "expires") == 0)
+ flags |= kSecCodeSignatureForceExpiration;
+ else if (strcmp(name, "restrict") == 0)
+ flags |= kSecCodeSignatureRestrict;
+ else if (strcmp(name, "enforcement") == 0)
+ flags |= kSecCodeSignatureEnforcement;
+ else if (strcmp(name, "library-validation") == 0)
+ flags |= kSecCodeSignatureLibraryValidation;
+ else if (strcmp(name, "runtime") == 0)
+ flags |= kSecCodeSignatureRuntime;
+ else {
+ fprintf(stderr, "ldid: -C: Unsupported option\n");
+ exit(1);
+ }
+ } break;
+
+ case 'P':
+ platform = true;
+ break;
+
case 's':
- _assert(!flag_r);
- _assert(!flag_S);
+ if (flag_r || flag_S) {
+ fprintf(stderr, "ldid: Can only specify one of -r, -S, -s\n");
+ exit(1);
+ }
flag_s = true;
+ entitlements.clear();
+ flag_M = true;
break;
case 'S':
- _assert(!flag_r);
- _assert(!flag_s);
+ if (flag_r || flag_s) {
+ fprintf(stderr, "ldid: Can only specify one of -r, -S, -s\n");
+ exit(1);
+ }
flag_S = true;
if (argv[argi][2] != '\0') {
const char *xml = argv[argi] + 2;
}
break;
+ case 'M':
+ flag_M = true;
+ break;
+
+ case 'U':
+ password = argv[argi] + 2;
+ break;
+
case 'K':
if (argv[argi][2] != '\0')
key.open(argv[argi] + 2, O_RDONLY, PROT_READ, MAP_PRIVATE);
break;
-#ifndef LDID_NOFLAGT
- case 'T': {
- flag_T = true;
- if (argv[argi][2] == '-')
- timeh = true;
- else {
- char *arge;
- timev = strtoul(argv[argi] + 2, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
- }
- } break;
-#endif
+ case 'T': break;
case 'u': {
flag_u = true;
} break;
default:
- goto usage;
+ usage(argv[0]);
+ return 1;
break;
}
- _assert(flag_S || key.empty());
- _assert(flag_S || flag_I == NULL);
-
- if (files.empty()) usage: {
- exit(0);
+ if (flag_I != NULL && !flag_S) {
+ fprintf(stderr, "ldid: -I requires -S\n");
+ exit(1);
}
+ if (files.empty())
+ return 0;
+
size_t filei(0), filee(0);
_foreach (file, files) try {
std::string path(file);
struct stat info;
- _syscall(stat(path.c_str(), &info));
+ if (stat(path.c_str(), &info) == -1) {
+ fprintf(stderr, "ldid: %s: %s\n", path.c_str(), strerror(errno));
+ exit(1);
+ }
if (S_ISDIR(info.st_mode)) {
-#ifndef LDID_NOPLIST
- _assert(!flag_r);
- ldid::DiskFolder folder(path);
- path += "/" + Sign("", folder, key, requirements, ldid::fun([&](const std::string &, const std::string &) -> std::string { return entitlements; })
- , ldid::fun([&](const std::string &) {}), ldid::fun(dummy)
- ).path;
-#else
- _assert(false);
-#endif
+ if (!flag_S) {
+ fprintf(stderr, "ldid: Only -S can be used on directories\n");
+ exit(1);
+ }
+ ldid::DiskFolder folder(path + "/");
+ path += "/" + Sign("", folder, key, requirements, ldid::fun([&](const std::string &, const std::string &) -> std::string { return entitlements; }), dummy_).path;
} else if (flag_S || flag_r) {
Map input(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
auto temp(Temporary(output, split));
if (flag_r)
- ldid::Unsign(input.data(), input.size(), output, ldid::fun(dummy));
+ ldid::Unsign(input.data(), input.size(), output, dummy_);
else {
std::string identifier(flag_I ?: split.base.c_str());
- ldid::Sign(input.data(), input.size(), output, identifier, entitlements, requirements, key, slots, ldid::fun(dummy));
+ ldid::Sign(input.data(), input.size(), output, identifier, entitlements, flag_M, requirements, key, slots, flags, platform, dummy_);
}
Commit(path, temp);
}
- bool modify(false);
-#ifndef LDID_NOFLAGT
- if (flag_T)
- modify = true;
-#endif
- if (flag_s)
- modify = true;
-
- Map mapping(path, modify);
+ Map mapping(path, flag_D ? true : false);
FatHeader fat_header(mapping.data(), mapping.size());
_foreach (mach_header, fat_header.GetMachHeaders()) {
_foreach (load_command, mach_header.GetLoadCommands()) {
uint32_t cmd(mach_header.Swap(load_command->cmd));
- if (false);
- else if (cmd == LC_CODE_SIGNATURE)
+ if (cmd == LC_CODE_SIGNATURE)
signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
else if (cmd == LC_ENCRYPTION_INFO || cmd == LC_ENCRYPTION_INFO_64)
encryption = reinterpret_cast<struct encryption_info_command *>(load_command);
}
}
}
-#ifndef LDID_NOFLAGT
- else if (cmd == LC_ID_DYLIB) {
- volatile struct dylib_command *dylib_command(reinterpret_cast<struct dylib_command *>(load_command));
-
- if (flag_T) {
- uint32_t timed;
-
- if (!timeh)
- timed = timev;
- else {
- dylib_command->dylib.timestamp = 0;
- timed = hash(reinterpret_cast<uint8_t *>(mach_header.GetBase()), mach_header.GetSize(), timev);
- }
+ }
- dylib_command->dylib.timestamp = mach_header.Swap(timed);
- }
- }
-#endif
+ if (flag_d && encryption != NULL) {
+ printf("cryptid=%d\n", mach_header.Swap(encryption->cryptid));
}
if (flag_D) {
- _assert(encryption != NULL);
+ if (encryption == NULL) {
+ fprintf(stderr, "ldid: -D requires an encrypted binary\n");
+ exit(1);
+ }
encryption->cryptid = mach_header.Swap(0);
}
- if (flag_e) {
- _assert(signature != NULL);
+ if ((flag_e || flag_q || flag_h) && signature == NULL) {
+ fprintf(stderr, "ldid: -e, -q, and -h requre a signed binary\n");
+ exit(1);
+ }
+ if (flag_e) {
uint32_t data = mach_header.Swap(signature->dataoff);
uint8_t *top = reinterpret_cast<uint8_t *>(mach_header.GetBase());
}
if (flag_q) {
- _assert(signature != NULL);
-
uint32_t data = mach_header.Swap(signature->dataoff);
uint8_t *top = reinterpret_cast<uint8_t *>(mach_header.GetBase());
}
}
- if (flag_s) {
- _assert(signature != NULL);
+ if (flag_h) {
+ char *buf = _syscall(realpath(file.c_str(), NULL));
+ printf("Executable=%s\n", buf);
+ free(buf);
+
+ auto algorithms(GetAlgorithms());
uint32_t data = mach_header.Swap(signature->dataoff);
uint8_t *blob = top + data;
struct SuperBlob *super = reinterpret_cast<struct SuperBlob *>(blob);
- for (size_t index(0); index != Swap(super->count); ++index)
- if (Swap(super->index[index].type) == CSSLOT_CODEDIRECTORY) {
+ struct Candidate {
+ CodeDirectory *directory_;
+ size_t size_;
+ Algorithm &algorithm_;
+ std::string hash_;
+ uint32_t offset;
+ };
+
+ std::map<uint8_t, Candidate> candidates;
+ uint32_t cmsBegin = 0, cmsEnd = 0;
+
+ for (size_t index(0); index != Swap(super->count); ++index) {
+ auto type(Swap(super->index[index].type));
+ if ((type == CSSLOT_CODEDIRECTORY || type >= CSSLOT_ALTERNATE) && type != CSSLOT_SIGNATURESLOT) {
uint32_t begin = Swap(super->index[index].offset);
+ uint32_t end = index + 1 == Swap(super->count) ? Swap(super->blob.length) : Swap(super->index[index + 1].offset);
struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin + sizeof(Blob));
+ auto type(directory->hashType);
+ _assert(type > 0 && type <= algorithms.size());
+ auto &algorithm(*algorithms[type - 1]);
+ uint8_t hash[algorithm.size_];
+ algorithm(hash, blob + begin, end - begin);
+ candidates.insert({type, {directory, end - begin, algorithm, Hex(hash, 20), begin}});
+ } else if (type == CSSLOT_SIGNATURESLOT) {
+ cmsBegin = Swap(super->index[index].offset);
+ cmsEnd = index + 1 == Swap(super->count) ? Swap(super->blob.length) : Swap(super->index[index + 1].offset);
+ }
+ }
- uint8_t (*hashes)[LDID_SHA1_DIGEST_LENGTH] = reinterpret_cast<uint8_t (*)[LDID_SHA1_DIGEST_LENGTH]>(blob + begin + Swap(directory->hashOffset));
- uint32_t pages = Swap(directory->nCodeSlots);
-
- if (pages != 1)
- for (size_t i = 0; i != pages - 1; ++i)
- LDID_SHA1(top + PageSize_ * i, PageSize_, hashes[i]);
- if (pages != 0)
- LDID_SHA1(top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1, hashes[pages - 1]);
+ _assert(!candidates.empty());
+ auto best(candidates.end());
+ --best;
+
+ const auto directory(best->second.directory_);
+ const auto flags(Swap(directory->flags));
+
+ printf("Identifier=%s\n", blob + best->second.offset + Swap(directory->identOffset));
+
+ std::string names;
+ if (flags & kSecCodeSignatureHost)
+ names += ",host";
+ if (flags & kSecCodeSignatureAdhoc)
+ names += ",adhoc";
+ if (flags & kSecCodeSignatureForceHard)
+ names += ",hard";
+ if (flags & kSecCodeSignatureForceKill)
+ names += ",kill";
+ if (flags & kSecCodeSignatureForceExpiration)
+ names += ",expires";
+ if (flags & kSecCodeSignatureRestrict)
+ names += ",restrict";
+ if (flags & kSecCodeSignatureEnforcement)
+ names += ",enforcement";
+ if (flags & kSecCodeSignatureLibraryValidation)
+ names += ",library-validation";
+ if (flags & kSecCodeSignatureRuntime)
+ names += ",runtime";
+
+ printf("CodeDirectory v=%x size=%zd flags=0x%x(%s) hashes=%d+%d location=embedded\n",
+ Swap(directory->version), best->second.size_, flags, names.empty() ? "none" : names.c_str() + 1, Swap(directory->nCodeSlots), Swap(directory->nSpecialSlots));
+ printf("Hash type=%s size=%d\n", best->second.algorithm_.name(), directory->hashSize);
+
+ std::string choices;
+ for (const auto &candidate : candidates) {
+ auto choice(candidate.second.algorithm_.name());
+ choices += ',';
+ choices += choice;
+ printf("CandidateCDHash %s=%s\n", choice, candidate.second.hash_.c_str());
+ }
+ printf("Hash choices=%s\n", choices.c_str() + 1);
+
+ printf("CDHash=%s\n", best->second.hash_.c_str());
+
+ if (cmsBegin != 0 && cmsEnd != 0) {
+ // This loads the CMS blob and parses each X509 cert in the blob to extract the
+ // common name and print it as "Authority=%s"
+ Buffer bio(reinterpret_cast<const char *>(blob) + cmsBegin + sizeof(Blob), cmsEnd - cmsBegin);
+ PKCS7 *p7 = NULL;
+ if ((p7 = d2i_PKCS7_bio(bio, NULL)) == NULL) {
+ // In order to follow codesign, we just ignore errors
+ printf("Authority=(unavailable)\n");
+ } else {
+ STACK_OF(X509) *certs = NULL;
+ switch (OBJ_obj2nid(p7->type)) {
+ case NID_pkcs7_signed:
+ if (p7->d.sign != NULL)
+ certs = p7->d.sign->cert;
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ if (p7->d.signed_and_enveloped != NULL)
+ certs = p7->d.signed_and_enveloped->cert;
+ break;
+ default:
+ break;
+ }
+ if (certs != NULL) {
+ X509 *x;
+ for (int i = 0; i < sk_X509_num(certs); i++) {
+ x = sk_X509_value(certs, i);
+ int lastpos = -1;
+ X509_NAME *nm = X509_get_subject_name(x);
+ X509_NAME_ENTRY *e;
+
+ for (;;) {
+ lastpos = X509_NAME_get_index_by_NID(nm, NID_commonName, lastpos);
+ if (lastpos == -1)
+ break;
+ e = X509_NAME_get_entry(nm, lastpos);
+ ASN1_STRING *s = X509_NAME_ENTRY_get_data(e);
+ printf("Authority=%s\n", reinterpret_cast<const char *>(ASN1_STRING_get0_data(s)));
+ }
+ }
+ } else {
+ printf("Authority=(unavailable)\n");
+ }
}
+ PKCS7_free(p7);
+ }
+
+ if (Swap(directory->teamIDOffset) > 0)
+ printf("TeamIdentifier=%s\n", blob + best->second.offset + Swap(directory->teamIDOffset));
+ else
+ printf("TeamIdentifier=not set\n");
}
}
++filei;
}
+# if OPENSSL_VERSION_MAJOR >= 3
+ OSSL_PROVIDER_unload(legacy);
+ OSSL_PROVIDER_unload(deflt);
+# endif
+
return filee;
}
-#endif
+#endif // LDID_NOTOOLS
git.ckatri.com / ldid.git / blobdiff