#include <cstdlib>
#include <cstring>
#include <fstream>
-#include <map>
+#include <iostream>
+#include <memory>
+#include <set>
#include <sstream>
#include <string>
#include <vector>
+#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
+#include <regex.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
+#include <sys/types.h>
+#ifndef LDID_NOSMIME
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/pkcs12.h>
+#endif
+
+#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
+#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
+#endif
+#ifndef LDID_NOPLIST
#include <plist/plist.h>
+#endif
+
+#include "ldid.hpp"
#define _assert___(line) \
#line
#define _assert__(line) \
_assert___(line)
-#define _assert_(e) \
- throw __FILE__ "(" _assert__(__LINE__) "): _assert(" e ")"
-#define _assert(expr) \
+#ifdef __EXCEPTIONS
+#define _assert_(expr, format, ...) \
do if (!(expr)) { \
- fprintf(stderr, "%s(%u): _assert(%s); errno=%u\n", __FILE__, __LINE__, #expr, errno); \
- _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__); \
+ exit(-1); \
+ } while (false)
+#endif
-#define _syscall(expr) ({ \
- __typeof__(expr) _value; \
- do if ((long) (_value = (expr)) != -1) \
- break; \
- else switch (errno) { \
- case EINTR: \
- continue; \
- default: \
- _assert(false); \
- } while (true); \
- _value; \
-})
+#define _assert(expr) \
+ _assert_(expr, "%s", #expr)
+
+#define _syscall(expr, ...) [&] { for (;;) { \
+ auto _value(expr); \
+ if ((long) _value != -1) \
+ return _value; \
+ int error(errno); \
+ if (error == EINTR) \
+ continue; \
+ /* XXX: EINTR is included in this list to fix g++ */ \
+ for (auto success : (long[]) {EINTR, __VA_ARGS__}) \
+ if (error == success) \
+ return (decltype(expr)) -success; \
+ _assert_(false, "errno=%u", error); \
+} }()
#define _trace() \
fprintf(stderr, "_trace(%s:%u): %s\n", __FILE__, __LINE__, __FUNCTION__)
for (bool _suck(true); _suck; _suck = false) \
for (const __typeof__(*_item) &item = *_item; _suck; _suck = false)
+class _Scope {
+};
+
+template <typename Function_>
+class Scope :
+ public _Scope
+{
+ private:
+ Function_ function_;
+
+ public:
+ Scope(const Function_ &function) :
+ function_(function)
+ {
+ }
+
+ ~Scope() {
+ function_();
+ }
+};
+
+template <typename Function_>
+Scope<Function_> _scope(const Function_ &function) {
+ return Scope<Function_>(function);
+}
+
+#define _scope__(counter, function) \
+ __attribute__((__unused__)) \
+ const _Scope &_scope ## counter(_scope([&]function))
+#define _scope_(counter, function) \
+ _scope__(counter, function)
+#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 LC_DYLD_INFO_ONLY uint32_t(0x22 | LC_REQ_DYLD)
#define LC_ENCRYPTION_INFO_64 uint32_t(0x2c)
+union Version {
+ struct {
+ uint8_t patch;
+ uint8_t minor;
+ uint16_t major;
+ } _packed;
+
+ uint32_t value;
+};
+
struct dylib {
uint32_t name;
uint32_t timestamp;
uint32_t flags;
uint32_t reserved1;
uint32_t reserved2;
+ uint32_t reserved3;
} _packed;
struct linkedit_data_command {
return Swap(static_cast<uint64_t>(value));
}
-template <typename Target_>
-class Pointer;
-
class Swapped {
protected:
bool swapped_;
return load_commands;
}
- std::vector<segment_command *> GetSegments(const char *segment_name) const {
- std::vector<struct segment_command *> segment_commands;
-
- _foreach (load_command, GetLoadCommands()) {
- if (Swap(load_command->cmd) == LC_SEGMENT) {
- segment_command *segment_command = reinterpret_cast<struct segment_command *>(load_command);
- if (strncmp(segment_command->segname, segment_name, 16) == 0)
- segment_commands.push_back(segment_command);
- }
- }
-
- return segment_commands;
- }
-
- std::vector<segment_command_64 *> GetSegments64(const char *segment_name) const {
- std::vector<struct segment_command_64 *> segment_commands;
-
- _foreach (load_command, GetLoadCommands()) {
- if (Swap(load_command->cmd) == LC_SEGMENT_64) {
- segment_command_64 *segment_command = reinterpret_cast<struct segment_command_64 *>(load_command);
- if (strncmp(segment_command->segname, segment_name, 16) == 0)
- segment_commands.push_back(segment_command);
- }
- }
-
- return segment_commands;
- }
-
- std::vector<section *> GetSections(const char *segment_name, const char *section_name) const {
- std::vector<section *> sections;
-
- _foreach (segment, GetSegments(segment_name)) {
- section *section = (struct section *) (segment + 1);
-
- uint32_t sect;
- for (sect = 0; sect != Swap(segment->nsects); ++sect) {
- if (strncmp(section->sectname, section_name, 16) == 0)
- sections.push_back(section);
- ++section;
- }
- }
-
- return sections;
- }
+ void ForSection(const ldid::Functor<void (const char *, const char *, void *, size_t)> &code) const {
+ _foreach (load_command, GetLoadCommands())
+ switch (Swap(load_command->cmd)) {
+ case LC_SEGMENT: {
+ auto segment(reinterpret_cast<struct segment_command *>(load_command));
+ code(segment->segname, NULL, GetOffset<void>(segment->fileoff), segment->filesize);
+ auto section(reinterpret_cast<struct section *>(segment + 1));
+ for (uint32_t i(0), e(Swap(segment->nsects)); i != e; ++i, ++section)
+ code(segment->segname, section->sectname, GetOffset<void>(segment->fileoff + section->offset), section->size);
+ } break;
- template <typename Target_>
- Pointer<Target_> GetPointer(uint32_t address, const char *segment_name = NULL) const {
- load_command *load_command = (struct load_command *) (mach_header_ + 1);
- uint32_t cmd;
-
- for (cmd = 0; cmd != Swap(mach_header_->ncmds); ++cmd) {
- if (Swap(load_command->cmd) == LC_SEGMENT) {
- segment_command *segment_command = (struct segment_command *) load_command;
- if (segment_name != NULL && strncmp(segment_command->segname, segment_name, 16) != 0)
- goto next_command;
-
- section *sections = (struct section *) (segment_command + 1);
-
- uint32_t sect;
- for (sect = 0; sect != Swap(segment_command->nsects); ++sect) {
- section *section = §ions[sect];
- //printf("%s %u %p %p %u\n", segment_command->segname, sect, address, section->addr, section->size);
- if (address >= Swap(section->addr) && address < Swap(section->addr) + Swap(section->size)) {
- //printf("0x%.8x %s\n", address, segment_command->segname);
- return Pointer<Target_>(this, reinterpret_cast<Target_ *>(address - Swap(section->addr) + Swap(section->offset) + (char *) mach_header_));
- }
- }
+ case LC_SEGMENT_64: {
+ auto segment(reinterpret_cast<struct segment_command_64 *>(load_command));
+ code(segment->segname, NULL, GetOffset<void>(segment->fileoff), segment->filesize);
+ auto section(reinterpret_cast<struct section_64 *>(segment + 1));
+ for (uint32_t i(0), e(Swap(segment->nsects)); i != e; ++i, ++section)
+ code(segment->segname, section->sectname, GetOffset<void>(segment->fileoff + section->offset), section->size);
+ } break;
}
-
- next_command:
- load_command = (struct load_command *) ((char *) load_command + Swap(load_command->cmdsize));
- }
-
- return Pointer<Target_>(this);
}
template <typename Target_>
- Pointer<Target_> GetOffset(uint32_t offset) {
- return Pointer<Target_>(this, reinterpret_cast<Target_ *>(offset + (uint8_t *) mach_header_));
+ Target_ *GetOffset(uint32_t offset) const {
+ return reinterpret_cast<Target_ *>(offset + (uint8_t *) mach_header_);
}
};
}
};
-template <typename Target_>
-class Pointer {
- private:
- const MachHeader *framework_;
- const Target_ *pointer_;
-
- public:
- Pointer(const MachHeader *framework = NULL, const Target_ *pointer = NULL) :
- framework_(framework),
- pointer_(pointer)
- {
- }
-
- operator const Target_ *() const {
- return pointer_;
- }
-
- const Target_ *operator ->() const {
- return pointer_;
- }
-
- Pointer<Target_> &operator ++() {
- ++pointer_;
- return *this;
- }
-
- template <typename Value_>
- Value_ Swap(Value_ value) {
- return framework_->Swap(value);
- }
-};
-
#define CSMAGIC_REQUIREMENT uint32_t(0xfade0c00)
#define CSMAGIC_REQUIREMENTS uint32_t(0xfade0c01)
#define CSMAGIC_CODEDIRECTORY uint32_t(0xfade0c02)
uint32_t spare2;
} _packed;
+#ifndef LDID_NOFLAGT
extern "C" uint32_t hash(uint8_t *k, uint32_t length, uint32_t initval);
+#endif
static void sha1(uint8_t *hash, const void *data, size_t size) {
- SHA1(static_cast<const uint8_t *>(data), size, hash);
+ LDID_SHA1(static_cast<const uint8_t *>(data), size, hash);
+}
+
+static void sha1(std::vector<char> &hash, const void *data, size_t size) {
+ hash.resize(LDID_SHA1_DIGEST_LENGTH);
+ sha1(reinterpret_cast<uint8_t *>(hash.data()), data, size);
}
struct CodesignAllocation {
}
};
+#ifndef LDID_NOTOOLS
class File {
private:
int file_;
void open(const char *path, int flags) {
_assert(file_ == -1);
- _syscall(file_ = ::open(path, flags));
+ file_ = _syscall(::open(path, flags));
}
int file() const {
{
}
- Map(const char *path, int oflag, int pflag, int mflag) :
+ Map(const std::string &path, int oflag, int pflag, int mflag) :
Map()
{
open(path, oflag, pflag, mflag);
}
- Map(const char *path, bool edit) :
+ Map(const std::string &path, bool edit) :
Map()
{
open(path, edit);
return data_ == NULL;
}
- void open(const char *path, int oflag, int pflag, int mflag) {
+ void open(const std::string &path, int oflag, int pflag, int mflag) {
clear();
- file_.open(path, oflag);
+ file_.open(path.c_str(), oflag);
int file(file_.file());
struct stat stat;
_syscall(fstat(file, &stat));
size_ = stat.st_size;
- _syscall(data_ = mmap(NULL, size_, pflag, mflag, file, 0));
+ data_ = _syscall(mmap(NULL, size_, pflag, mflag, file, 0));
}
- void open(const char *path, bool edit) {
+ void open(const std::string &path, bool edit) {
if (edit)
open(path, O_RDWR, PROT_READ | PROT_WRITE, MAP_SHARED);
else
return std::string(static_cast<char *>(data_), size_);
}
};
+#endif
-// I wish Apple cared about providing quality toolchains :/
-
-template <typename Function_>
-class Functor;
-
-template <typename Type_, typename... Args_>
-class Functor<Type_ (Args_...)> {
- public:
- virtual Type_ operator ()(Args_... args) const = 0;
-};
-
-template <typename Function_>
-class FunctorImpl;
-
-template <typename Value_, typename Type_, typename... Args_>
-class FunctorImpl<Type_ (Value_::*)(Args_...) const> :
- public Functor<Type_ (Args_...)>
-{
- private:
- const Value_ *value_;
-
- public:
- FunctorImpl(const Value_ &value) :
- value_(&value)
- {
- }
-
- virtual Type_ operator ()(Args_... args) const {
- return (*value_)(args...);
- }
-};
-
-template <typename Function_>
-FunctorImpl<decltype(&Function_::operator())> fun(const Function_ &value) {
- return value;
-}
+namespace ldid {
-static void resign(void *idata, size_t isize, std::streambuf &output, const Functor<size_t (size_t)> &allocate, const Functor<size_t (std::streambuf &output, size_t, const std::string &, const char *)> &save) {
- FatHeader source(idata, isize);
+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 *)> &save) {
+ FatHeader source(const_cast<void *>(idata), isize);
size_t offset(0);
if (source.IsFat())
size = end;
}
- size_t alloc(allocate(size));
+ size_t alloc(allocate(mach_header, size));
auto *fat_arch(mach_header.GetFatArch());
- uint32_t align(fat_arch == NULL ? 0 : source.Swap(fat_arch->align));
+ uint32_t align;
+
+ if (fat_arch != NULL)
+ align = source.Swap(fat_arch->align);
+ else switch (mach_header.GetCPUType()) {
+ case CPU_TYPE_POWERPC:
+ case CPU_TYPE_POWERPC64:
+ case CPU_TYPE_X86:
+ case CPU_TYPE_X86_64:
+ align = 0xc;
+ break;
+ case CPU_TYPE_ARM:
+ case CPU_TYPE_ARM64:
+ align = 0xe;
+ break;
+ default:
+ align = 0x0;
+ break;
+ }
+
offset = Align(offset, 1 << align);
uint32_t limit(size);
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, PageSize_);
+ segment_command->vmsize = Align(size, 1 << allocation.align_);
} break;
case LC_SEGMENT_64: {
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, PageSize_);
+ segment_command->vmsize = Align(size, 1 << allocation.align_);
} break;
}
pad(output, allocation.limit_ - allocation.size_);
position += allocation.limit_ - allocation.size_;
- size_t saved(save(output, allocation.limit_, overlap, top));
+ size_t saved(save(mach_header, output, allocation.limit_, overlap, top));
if (allocation.alloc_ > saved)
pad(output, allocation.alloc_ - saved);
position += allocation.alloc_;
}
}
+}
+
typedef std::map<uint32_t, std::string> Blobs;
static void insert(Blobs &blobs, uint32_t slot, const std::stringbuf &buffer) {
return offset;
}
+#ifndef LDID_NOSMIME
class Buffer {
private:
BIO *bio_;
return value_;
}
};
+#endif
+
+class NullBuffer :
+ public std::streambuf
+{
+ public:
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ return size;
+ }
+
+ virtual int_type overflow(int_type next) {
+ return next;
+ }
+};
+
+class HashBuffer :
+ public std::streambuf
+{
+ private:
+ std::vector<char> &hash_;
+ LDID_SHA1_CTX context_;
-typedef std::map<uint32_t, std::string> Slots;
+ public:
+ HashBuffer(std::vector<char> &hash) :
+ hash_(hash)
+ {
+ LDID_SHA1_Init(&context_);
+ }
-void resign(void *idata, size_t isize, std::streambuf &output, const std::string &name, const std::string &entitlements, const std::string &key, const Slots &slots) {
- resign(idata, isize, output, fun([&](size_t size) -> size_t {
+ ~HashBuffer() {
+ hash_.resize(LDID_SHA1_DIGEST_LENGTH);
+ LDID_SHA1_Final(reinterpret_cast<uint8_t *>(hash_.data()), &context_);
+ }
+
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ LDID_SHA1_Update(&context_, data, size);
+ return size;
+ }
+
+ virtual int_type overflow(int_type next) {
+ if (next == traits_type::eof())
+ return sync();
+ char value(next);
+ xsputn(&value, 1);
+ return next;
+ }
+};
+
+class HashProxy :
+ public HashBuffer
+{
+ private:
+ std::streambuf &buffer_;
+
+ public:
+ HashProxy(std::vector<char> &hash, std::streambuf &buffer) :
+ HashBuffer(hash),
+ buffer_(buffer)
+ {
+ }
+
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ _assert(HashBuffer::xsputn(data, size) == size);
+ return buffer_.sputn(data, size);
+ }
+};
+
+#ifndef LDID_NOTOOLS
+static bool Starts(const std::string &lhs, const std::string &rhs) {
+ return lhs.size() >= rhs.size() && lhs.compare(0, rhs.size(), rhs) == 0;
+}
+
+class Split {
+ public:
+ std::string dir;
+ std::string base;
+
+ Split(const std::string &path) {
+ size_t slash(path.rfind('/'));
+ if (slash == std::string::npos)
+ base = path;
+ else {
+ dir = path.substr(0, slash + 1);
+ base = path.substr(slash + 1);
+ }
+ }
+};
+
+static void mkdir_p(const std::string &path) {
+ if (path.empty())
+ return;
+#ifdef __WIN32__
+ if (_syscall(mkdir(path.c_str()), EEXIST) == -EEXIST)
+ return;
+#else
+ if (_syscall(mkdir(path.c_str(), 0755), EEXIST) == -EEXIST)
+ return;
+#endif
+ auto slash(path.rfind('/', path.size() - 1));
+ if (slash == std::string::npos)
+ return;
+ mkdir_p(path.substr(0, slash));
+}
+
+static std::string Temporary(std::filebuf &file, const Split &split) {
+ 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());
+ return temp;
+}
+
+static void Commit(const std::string &path, const std::string &temp) {
+ struct stat info;
+ if (_syscall(stat(path.c_str(), &info), ENOENT) == 0) {
+#ifndef __WIN32__
+ _syscall(chown(temp.c_str(), info.st_uid, info.st_gid));
+#endif
+ _syscall(chmod(temp.c_str(), info.st_mode));
+ }
+
+ _syscall(rename(temp.c_str(), path.c_str()));
+}
+#endif
+
+namespace ldid {
+
+void Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &key, const Slots &slots) {
+ Allocate(idata, isize, output, fun([&](const MachHeader &mach_header, size_t size) -> size_t {
size_t alloc(sizeof(struct SuperBlob));
uint32_t special(0);
alloc += sizeof(struct BlobIndex);
alloc += sizeof(struct Blob);
alloc += sizeof(struct CodeDirectory);
- alloc += name.size() + 1;
+ alloc += identifier.size() + 1;
if (!key.empty()) {
alloc += sizeof(struct BlobIndex);
_foreach (slot, slots)
special = std::max(special, slot.first);
+ mach_header.ForSection(fun([&](const char *segment, const char *section, void *data, size_t size) {
+ if (strcmp(segment, "__TEXT") == 0 && section != NULL && strcmp(section, "__info_plist") == 0)
+ special = std::max(special, CSSLOT_INFOSLOT);
+ }));
+
uint32_t normal((size + PageSize_ - 1) / PageSize_);
- alloc = Align(alloc + (special + normal) * SHA_DIGEST_LENGTH, 16);
+ alloc = Align(alloc + (special + normal) * LDID_SHA1_DIGEST_LENGTH, 16);
return alloc;
- }), fun([&](std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
+ }), fun([&](const MachHeader &mach_header, std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
Blobs blobs;
if (true) {
if (true) {
std::stringbuf data;
+ Slots posts(slots);
+
+ mach_header.ForSection(fun([&](const char *segment, const char *section, void *data, size_t size) {
+ if (strcmp(segment, "__TEXT") == 0 && section != NULL && strcmp(section, "__info_plist") == 0)
+ sha1(posts[CSSLOT_INFOSLOT], data, size);
+ }));
+
uint32_t special(0);
_foreach (blob, blobs)
special = std::max(special, blob.first);
- _foreach (slot, slots)
+ _foreach (slot, posts)
special = std::max(special, slot.first);
uint32_t normal((limit + PageSize_ - 1) / PageSize_);
CodeDirectory directory;
directory.version = Swap(uint32_t(0x00020001));
directory.flags = Swap(uint32_t(0));
- directory.hashOffset = Swap(uint32_t(sizeof(Blob) + sizeof(CodeDirectory) + name.size() + 1 + SHA_DIGEST_LENGTH * special));
+ directory.hashOffset = Swap(uint32_t(sizeof(Blob) + sizeof(CodeDirectory) + identifier.size() + 1 + LDID_SHA1_DIGEST_LENGTH * special));
directory.identOffset = Swap(uint32_t(sizeof(Blob) + sizeof(CodeDirectory)));
directory.nSpecialSlots = Swap(special);
directory.codeLimit = Swap(uint32_t(limit));
directory.nCodeSlots = Swap(normal);
- directory.hashSize = SHA_DIGEST_LENGTH;
+ directory.hashSize = LDID_SHA1_DIGEST_LENGTH;
directory.hashType = CS_HASHTYPE_SHA1;
directory.spare1 = 0x00;
directory.pageSize = PageShift_;
directory.spare2 = Swap(uint32_t(0));
put(data, &directory, sizeof(directory));
- put(data, name.c_str(), name.size() + 1);
+ put(data, identifier.c_str(), identifier.size() + 1);
- uint8_t storage[special + normal][SHA_DIGEST_LENGTH];
- uint8_t (*hashes)[SHA_DIGEST_LENGTH] = storage + special;
+ uint8_t storage[special + normal][LDID_SHA1_DIGEST_LENGTH];
+ uint8_t (*hashes)[LDID_SHA1_DIGEST_LENGTH] = storage + special;
memset(storage, 0, sizeof(*storage) * special);
sha1((uint8_t *) (hashes - blob.first), local, Swap(local->length));
}
- _foreach (slot, slots) {
+ _foreach (slot, posts) {
_assert(sizeof(*hashes) == slot.second.size());
memcpy(hashes - slot.first, slot.second.data(), slot.second.size());
}
insert(blobs, CSSLOT_CODEDIRECTORY, CSMAGIC_CODEDIRECTORY, data);
}
+#ifndef LDID_NOSMIME
if (!key.empty()) {
std::stringbuf data;
const std::string &sign(blobs[CSSLOT_CODEDIRECTORY]);
insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data);
}
+#endif
return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs);
}));
}
-static void resign(void *idata, size_t isize, std::streambuf &output) {
- resign(idata, isize, output, fun([](size_t size) -> size_t {
+#ifndef LDID_NOTOOLS
+static void Unsign(void *idata, size_t isize, std::streambuf &output) {
+ Allocate(idata, isize, output, fun([](const MachHeader &mach_header, size_t size) -> size_t {
return 0;
- }), fun([](std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
+ }), fun([](const MachHeader &mach_header, std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
return 0;
}));
}
+std::string DiskFolder::Path(const std::string &path) {
+ return path_ + "/" + path;
+}
+
+DiskFolder::DiskFolder(const std::string &path) :
+ path_(path)
+{
+}
+
+DiskFolder::~DiskFolder() {
+ if (!std::uncaught_exception())
+ for (const auto &commit : commit_)
+ Commit(commit.first, commit.second);
+}
+
+void DiskFolder::Find(const std::string &root, const std::string &base, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)>&code) {
+ std::string path(Path(root) + base);
+
+ DIR *dir(opendir(path.c_str()));
+ _assert(dir != NULL);
+ _scope({ _syscall(closedir(dir)); });
+
+ while (auto child = readdir(dir)) {
+ std::string name(child->d_name);
+ if (name == "." || name == "..")
+ continue;
+ if (Starts(name, ".ldid."))
+ continue;
+
+ bool directory;
+
+#ifdef __WIN32__
+ struct stat info;
+ _syscall(stat(path.c_str(), &info));
+ if (false);
+ else if (S_ISDIR(info.st_mode))
+ directory = true;
+ else if (S_ISREG(info.st_mode))
+ directory = false;
+ else
+ _assert_(false, "st_mode=%x", info.st_mode);
+#else
+ switch (child->d_type) {
+ case DT_DIR:
+ directory = true;
+ break;
+ case DT_REG:
+ directory = false;
+ break;
+ default:
+ _assert_(false, "d_type=%u", child->d_type);
+ }
+#endif
+
+ if (directory)
+ Find(root, base + name + "/", code);
+ else
+ code(base + name, fun([&](const Functor<void (std::streambuf &, std::streambuf &)> &code) {
+ std::string access(root + base + name);
+ _assert_(Open(access, fun([&](std::streambuf &data) {
+ NullBuffer save;
+ code(data, save);
+ })), "open(): %s", access.c_str());
+ }));
+ }
+}
+
+void DiskFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ std::filebuf save;
+ auto from(Path(path));
+ commit_[from] = Temporary(save, from);
+ code(save);
+}
+
+bool DiskFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ std::filebuf data;
+ auto result(data.open(Path(path).c_str(), std::ios::binary | std::ios::in));
+ if (result == NULL)
+ return false;
+ _assert(result == &data);
+ code(data);
+ return true;
+}
+
+void DiskFolder::Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)>&code) {
+ Find(path, "", code);
+}
+#endif
+
+SubFolder::SubFolder(Folder &parent, const std::string &path) :
+ parent_(parent),
+ path_(path)
+{
+}
+
+void SubFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ return parent_.Save(path_ + path, code);
+}
+
+bool SubFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ return parent_.Open(path_ + path, code);
+}
+
+void SubFolder::Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code) {
+ return parent_.Find(path_ + path, code);
+}
+
+UnionFolder::UnionFolder(Folder &parent) :
+ parent_(parent)
+{
+}
+
+void UnionFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ return parent_.Save(path, code);
+}
+
+bool UnionFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ auto file(files_.find(path));
+ if (file == files_.end())
+ return parent_.Open(path, code);
+
+ auto &data(file->second);
+ data.pubseekpos(0, std::ios::in);
+ code(data);
+ return true;
+}
+
+void UnionFolder::Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code) {
+ parent_.Find(path, fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &save) {
+ if (files_.find(path + name) == files_.end())
+ code(name, save);
+ }));
+
+ for (auto &file : files_)
+ if (file.first.size() >= path.size() && file.first.substr(0, path.size()) == path)
+ code(file.first.substr(path.size()), fun([&](const Functor<void (std::streambuf &, std::streambuf &)> &code) {
+ parent_.Save(file.first, fun([&](std::streambuf &save) {
+ file.second.pubseekpos(0, std::ios::in);
+ code(file.second, save);
+ }));
+ }));
+}
+
+#ifndef LDID_NOTOOLS
+static size_t copy(std::streambuf &source, std::streambuf &target) {
+ size_t total(0);
+ for (;;) {
+ char data[4096];
+ size_t writ(source.sgetn(data, sizeof(data)));
+ if (writ == 0)
+ break;
+ _assert(target.sputn(data, writ) == writ);
+ total += writ;
+ }
+ return total;
+}
+
+#ifndef LDID_NOPLIST
+static plist_t plist(const std::string &data) {
+ 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);
+ return plist;
+}
+
+static void plist_d(std::streambuf &buffer, const Functor<void (plist_t)> &code) {
+ std::stringbuf data;
+ copy(buffer, data);
+ auto node(plist(data.str()));
+ _scope({ plist_free(node); });
+ _assert(plist_get_node_type(node) == PLIST_DICT);
+ code(node);
+}
+
+static std::string plist_s(plist_t node) {
+ _assert(node != NULL);
+ _assert(plist_get_node_type(node) == PLIST_STRING);
+ char *data;
+ plist_get_string_val(node, &data);
+ _scope({ free(data); });
+ return data;
+}
+#endif
+
+enum Mode {
+ NoMode,
+ OptionalMode,
+ OmitMode,
+ NestedMode,
+ TopMode,
+};
+
+class Expression {
+ private:
+ regex_t regex_;
+
+ public:
+ Expression(const std::string &code) {
+ _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED | REG_NOSUB) == 0, "regcomp()");
+ }
+
+ ~Expression() {
+ regfree(®ex_);
+ }
+
+ bool operator ()(const std::string &data) const {
+ auto value(regexec(®ex_, data.c_str(), 0, NULL, 0));
+ if (value == REG_NOMATCH)
+ return false;
+ _assert_(value == 0, "regexec()");
+ return true;
+ }
+};
+
+struct Rule {
+ unsigned weight_;
+ Mode mode_;
+ std::string code_;
+
+ mutable std::auto_ptr<Expression> regex_;
+
+ Rule(unsigned weight, Mode mode, const std::string &code) :
+ weight_(weight),
+ mode_(mode),
+ code_(code)
+ {
+ }
+
+ Rule(const Rule &rhs) :
+ weight_(rhs.weight_),
+ mode_(rhs.mode_),
+ code_(rhs.code_)
+ {
+ }
+
+ void Compile() const {
+ regex_.reset(new Expression(code_));
+ }
+
+ bool operator ()(const std::string &data) const {
+ _assert(regex_.get() != NULL);
+ return (*regex_)(data);
+ }
+
+ bool operator <(const Rule &rhs) const {
+ if (weight_ > rhs.weight_)
+ return true;
+ if (weight_ < rhs.weight_)
+ return false;
+ return mode_ > rhs.mode_;
+ }
+};
+
+struct RuleCode {
+ bool operator ()(const Rule *lhs, const Rule *rhs) const {
+ return lhs->code_ < rhs->code_;
+ }
+};
+
+#ifndef LDID_NOPLIST
+std::string Bundle(const std::string &root, Folder &folder, const std::string &key, std::map<std::string, std::vector<char>> &remote, const std::string &entitlements) {
+ std::string executable;
+ std::string identifier;
+
+ static const std::string info("Info.plist");
+
+ _assert_(folder.Open(info, fun([&](std::streambuf &buffer) {
+ plist_d(buffer, fun([&](plist_t node) {
+ executable = plist_s(plist_dict_get_item(node, "CFBundleExecutable"));
+ identifier = plist_s(plist_dict_get_item(node, "CFBundleIdentifier"));
+ }));
+ })), "open(): Info.plist");
+
+ std::map<std::string, std::multiset<Rule>> versions;
+
+ auto &rules1(versions[""]);
+ auto &rules2(versions["2"]);
+
+ static const std::string signature("_CodeSignature/CodeResources");
+
+ folder.Open(signature, fun([&](std::streambuf &buffer) {
+ plist_d(buffer, fun([&](plist_t node) {
+ // XXX: maybe attempt to preserve existing rules
+ }));
+ }));
+
+ if (true) {
+ rules1.insert(Rule{1, NoMode, "^"});
+ rules1.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules1.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"});
+ rules1.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"});
+ rules1.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules1.insert(Rule{1, NoMode, "^version.plist$"});
+ }
+
+ if (true) {
+ rules2.insert(Rule{11, NoMode, ".*\\.dSYM($|/)"});
+ rules2.insert(Rule{20, NoMode, "^"});
+ rules2.insert(Rule{2000, OmitMode, "^(.*/)?\\.DS_Store$"});
+ rules2.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules2.insert(Rule{10, NestedMode, "^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/"});
+ rules2.insert(Rule{1, NoMode, "^.*"});
+ rules2.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"});
+ rules2.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"});
+ rules2.insert(Rule{20, OmitMode, "^Info\\.plist$"});
+ rules2.insert(Rule{20, OmitMode, "^PkgInfo$"});
+ rules2.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules2.insert(Rule{10, NestedMode, "^[^/]+$"});
+ rules2.insert(Rule{20, NoMode, "^embedded\\.provisionprofile$"});
+ rules2.insert(Rule{20, NoMode, "^version\\.plist$"});
+ }
+
+ std::map<std::string, std::vector<char>> local;
+
+ static Expression nested("^PlugIns/[^/]*\\.appex/Info\\.plist$");
+
+ folder.Find("", fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
+ if (!nested(name))
+ return;
+ auto bundle(root + Split(name).dir);
+ SubFolder subfolder(folder, bundle);
+ Bundle(bundle, subfolder, key, local, "");
+ }));
+
+ folder.Find("", fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
+ if (name == executable || name == signature)
+ return;
+
+ auto &hash(local[name]);
+ if (!hash.empty())
+ return;
+
+ code(fun([&](std::streambuf &data, std::streambuf &save) {
+ HashProxy proxy(hash, save);
+ copy(data, proxy);
+ }));
+
+ _assert(hash.size() == LDID_SHA1_DIGEST_LENGTH);
+ }));
+
+ auto plist(plist_new_dict());
+ _scope({ plist_free(plist); });
+
+ for (const auto &version : versions) {
+ auto files(plist_new_dict());
+ plist_dict_set_item(plist, ("files" + version.first).c_str(), files);
+
+ for (const auto &rule : version.second)
+ rule.Compile();
+
+ for (const auto &hash : local)
+ for (const auto &rule : version.second)
+ if (rule(hash.first)) {
+ if (rule.mode_ == NoMode)
+ plist_dict_set_item(files, hash.first.c_str(), plist_new_data(hash.second.data(), hash.second.size()));
+ else if (rule.mode_ == OptionalMode) {
+ auto entry(plist_new_dict());
+ plist_dict_set_item(entry, "hash", plist_new_data(hash.second.data(), hash.second.size()));
+ plist_dict_set_item(entry, "optional", plist_new_bool(true));
+ plist_dict_set_item(files, hash.first.c_str(), entry);
+ }
+
+ break;
+ }
+ }
+
+ for (const auto &version : versions) {
+ auto rules(plist_new_dict());
+ plist_dict_set_item(plist, ("rules" + version.first).c_str(), rules);
+
+ std::multiset<const Rule *, RuleCode> ordered;
+ for (const auto &rule : version.second)
+ ordered.insert(&rule);
+
+ for (const auto &rule : ordered)
+ if (rule->weight_ == 1 && rule->mode_ == NoMode)
+ plist_dict_set_item(rules, rule->code_.c_str(), plist_new_bool(true));
+ else {
+ auto entry(plist_new_dict());
+ plist_dict_set_item(rules, rule->code_.c_str(), entry);
+
+ switch (rule->mode_) {
+ case NoMode:
+ break;
+ case OmitMode:
+ plist_dict_set_item(entry, "omit", plist_new_bool(true));
+ break;
+ case OptionalMode:
+ plist_dict_set_item(entry, "optional", plist_new_bool(true));
+ break;
+ case NestedMode:
+ plist_dict_set_item(entry, "nested", plist_new_bool(true));
+ break;
+ case TopMode:
+ plist_dict_set_item(entry, "top", plist_new_bool(true));
+ break;
+ }
+
+ if (rule->weight_ >= 10000)
+ plist_dict_set_item(entry, "weight", plist_new_uint(rule->weight_));
+ else if (rule->weight_ != 1)
+ plist_dict_set_item(entry, "weight", plist_new_real(rule->weight_));
+ }
+ }
+
+ folder.Save(signature, fun([&](std::streambuf &save) {
+ HashProxy proxy(local[signature], save);
+ char *xml(NULL);
+ uint32_t size;
+ plist_to_xml(plist, &xml, &size);
+ _scope({ free(xml); });
+ put(proxy, xml, size);
+ }));
+
+ folder.Open(executable, fun([&](std::streambuf &buffer) {
+ // XXX: this is a miserable fail
+ std::stringbuf temp;
+ copy(buffer, temp);
+ auto data(temp.str());
+
+ folder.Save(executable, fun([&](std::streambuf &save) {
+ Slots slots;
+ slots[1] = local.at(info);
+ slots[3] = local.at(signature);
+
+ HashProxy proxy(local[executable], save);
+ Sign(data.data(), data.size(), proxy, identifier, entitlements, key, slots);
+ }));
+ }));
+
+ for (const auto &hash : local)
+ remote[root + hash.first] = hash.second;
+
+ return executable;
+}
+#endif
+
+#endif
+}
+
+#ifndef LDID_NOTOOLS
int main(int argc, char *argv[]) {
+#ifndef LDID_NOSMIME
OpenSSL_add_all_algorithms();
+#endif
union {
uint16_t word;
bool flag_r(false);
bool flag_e(false);
+#ifndef LDID_NOFLAGT
bool flag_T(false);
+#endif
bool flag_S(false);
bool flag_s(false);
bool flag_A(false);
bool flag_a(false);
+ bool flag_u(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 key;
- Slots slots;
+ ldid::Slots slots;
std::vector<std::string> files;
char *arge;
unsigned number(strtoul(slot, &arge, 0));
_assert(arge == colon);
- std::string &hash(slots[number]);
- hash.resize(SHA_DIGEST_LENGTH);
- sha1(reinterpret_cast<uint8_t *>(&hash[0]), file.data(), file.size());
+ sha1(slots[number], file.data(), file.size());
} break;
case 'D': flag_D = true; break;
break;
case 'K':
- key.open(argv[argi] + 2, O_RDONLY, PROT_READ, MAP_PRIVATE);
+ 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] == '-')
_assert(arge == argv[argi] + strlen(argv[argi]));
}
} break;
+#endif
+
+ case 'u': {
+ flag_u = true;
+ } break;
case 'I': {
flag_I = argv[argi] + 2;
size_t filei(0), filee(0);
_foreach (file, files) try {
- const char *path(file.c_str());
-
- if (flag_S || flag_r) {
+ std::string path(file);
+
+ struct stat info;
+ _syscall(stat(path.c_str(), &info));
+
+ if (S_ISDIR(info.st_mode)) {
+#ifndef LDID_NOPLIST
+ _assert(!flag_r);
+ ldid::DiskFolder folder(path);
+ std::map<std::string, std::vector<char>> hashes;
+ path += "/" + Bundle("", folder, key, hashes, entitlements);
+#else
+ _assert(false);
+#endif
+ } else if (flag_S || flag_r) {
Map input(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
- std::string dir;
- const char *base = strrchr(path, '/');
-
- if (base != NULL)
- dir.assign(path, base++ - path + 1);
- else
- base = path;
-
- std::string temp(dir + "." + base + ".cs");
std::filebuf output;
- _assert(output.open(temp.c_str(), std::ios::out | std::ios::trunc | std::ios::binary) == &output);
+ Split split(path);
+ auto temp(Temporary(output, split));
if (flag_r)
- resign(input.data(), input.size(), output);
+ ldid::Unsign(input.data(), input.size(), output);
else {
- const char *name(flag_I ?: base);
- resign(input.data(), input.size(), output, name, entitlements, key, slots);
+ std::string identifier(flag_I ?: split.base.c_str());
+ ldid::Sign(input.data(), input.size(), output, identifier, entitlements, key, slots);
}
- struct stat info;
- _syscall(stat(path, &info));
-#ifndef __WIN32__
- _syscall(chown(temp.c_str(), info.st_uid, info.st_gid));
-#endif
- _syscall(chmod(temp.c_str(), info.st_mode));
- _syscall(unlink(path));
- _syscall(rename(temp.c_str(), path));
+ Commit(path, temp);
}
- Map mapping(path, flag_T || flag_s);
+ bool modify(false);
+#ifndef LDID_NOFLAGT
+ if (flag_T)
+ modify = true;
+#endif
+ if (flag_s)
+ modify = true;
+
+ Map mapping(path, modify);
FatHeader fat_header(mapping.data(), mapping.size());
_foreach (mach_header, fat_header.GetMachHeaders()) {
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);
+ else if (cmd == LC_LOAD_DYLIB) {
+ volatile struct dylib_command *dylib_command(reinterpret_cast<struct dylib_command *>(load_command));
+ const char *name(reinterpret_cast<const char *>(load_command) + mach_header.Swap(dylib_command->dylib.name));
+
+ if (strcmp(name, "/System/Library/Frameworks/UIKit.framework/UIKit") == 0) {
+ if (flag_u) {
+ Version version;
+ version.value = mach_header.Swap(dylib_command->dylib.current_version);
+ printf("uikit=%u.%u.%u\n", version.major, version.minor, version.patch);
+ }
+ }
+ }
+#ifndef LDID_NOFLAGT
else if (cmd == LC_ID_DYLIB) {
volatile struct dylib_command *dylib_command(reinterpret_cast<struct dylib_command *>(load_command));
dylib_command->dylib.timestamp = mach_header.Swap(timed);
}
}
+#endif
}
if (flag_D) {
uint32_t begin = Swap(super->index[index].offset);
struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin);
- uint8_t (*hashes)[SHA_DIGEST_LENGTH] = reinterpret_cast<uint8_t (*)[SHA_DIGEST_LENGTH]>(blob + begin + Swap(directory->hashOffset));
+ 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)
return filee;
}
+#endif
projects / ldid.git / blobdiff