#include <cstdlib>
#include <cstring>
#include <fstream>
-#include <map>
+#include <iostream>
+#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <errno.h>
#include <fcntl.h>
+#include <fts.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>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/pkcs7.h>
+#include <openssl/pkcs12.h>
#include <openssl/sha.h>
-#include <plist/plist.h>
+#include <plist/plist++.h>
+
+#include "ldid.hpp"
#define _assert___(line) \
#line
#define _assert__(line) \
_assert___(line)
-#define _assert_(e) \
- throw __FILE__ "(" _assert__(__LINE__) "): _assert(" e ")"
-#define _assert(expr) \
+#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)
-#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; \
+ for (auto success : (long[]) {__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)
+
struct fat_header {
uint32_t magic;
uint32_t nfat_arch;
return value;
}
-uint16_t Swap_(uint16_t value) {
+static const uint8_t PageShift_(0x0c);
+static const uint32_t PageSize_(1 << PageShift_);
+
+static inline uint16_t Swap_(uint16_t value) {
return
((value >> 8) & 0x00ff) |
((value << 8) & 0xff00);
}
-uint32_t Swap_(uint32_t value) {
+static inline uint32_t Swap_(uint32_t value) {
value = ((value >> 8) & 0x00ff00ff) |
((value << 8) & 0xff00ff00);
value = ((value >> 16) & 0x0000ffff) |
return value;
}
-uint64_t Swap_(uint64_t value) {
+static inline uint64_t Swap_(uint64_t value) {
value = (value & 0x00000000ffffffff) << 32 | (value & 0xffffffff00000000) >> 32;
value = (value & 0x0000ffff0000ffff) << 16 | (value & 0xffff0000ffff0000) >> 16;
value = (value & 0x00ff00ff00ff00ff) << 8 | (value & 0xff00ff00ff00ff00) >> 8;
return value;
}
-int16_t Swap_(int16_t value) {
+static inline int16_t Swap_(int16_t value) {
return Swap_(static_cast<uint16_t>(value));
}
-int32_t Swap_(int32_t value) {
+static inline int32_t Swap_(int32_t value) {
return Swap_(static_cast<uint32_t>(value));
}
-int64_t Swap_(int64_t value) {
+static inline int64_t Swap_(int64_t value) {
return Swap_(static_cast<uint64_t>(value));
}
-bool little_(true);
+static bool little_(true);
-uint16_t Swap(uint16_t value) {
+static inline uint16_t Swap(uint16_t value) {
return little_ ? Swap_(value) : value;
}
-uint32_t Swap(uint32_t value) {
+static inline uint32_t Swap(uint32_t value) {
return little_ ? Swap_(value) : value;
}
-uint64_t Swap(uint64_t value) {
+static inline uint64_t Swap(uint64_t value) {
return little_ ? Swap_(value) : value;
}
-int16_t Swap(int16_t value) {
+static inline int16_t Swap(int16_t value) {
return Swap(static_cast<uint16_t>(value));
}
-int32_t Swap(int32_t value) {
+static inline int32_t Swap(int32_t value) {
return Swap(static_cast<uint32_t>(value));
}
-int64_t Swap(int64_t value) {
+static inline int64_t Swap(int64_t value) {
return Swap(static_cast<uint64_t>(value));
}
extern "C" uint32_t hash(uint8_t *k, uint32_t length, uint32_t initval);
-void sha1(uint8_t *hash, const void *data, size_t size) {
+static void sha1(uint8_t *hash, const void *data, size_t size) {
SHA1(static_cast<const uint8_t *>(data), size, hash);
}
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);
clear();
}
- void open(const char *path, int oflag, int pflag, int mflag) {
+ bool empty() const {
+ return data_ == NULL;
+ }
+
+ 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
}
};
-// 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() :
- value_(NULL)
- {
- }
-
- 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 {
-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 (size_t)> &allocate, const Functor<size_t (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())
allocations.push_back(CodesignAllocation(mach_header, offset, size, limit, alloc, align));
offset += size + alloc;
- offset = Align(offset, 16);
+ offset = Align(offset, 0x10);
}
size_t position(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, 0x1000);
+ segment_command->vmsize = Align(size, PageSize_);
} 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, 0x1000);
+ segment_command->vmsize = Align(size, PageSize_);
} break;
}
}
}
+}
+
typedef std::map<uint32_t, std::string> Blobs;
+static void insert(Blobs &blobs, uint32_t slot, const std::stringbuf &buffer) {
+ auto value(buffer.str());
+ std::swap(blobs[slot], value);
+}
+
static void insert(Blobs &blobs, uint32_t slot, uint32_t magic, const std::stringbuf &buffer) {
auto value(buffer.str());
Blob blob;
return offset;
}
-void resign(void *idata, size_t isize, std::streambuf &output, const std::string &name, const std::string &entitlements) {
- uint8_t pageshift(0x0c);
- uint32_t pagesize(1 << pageshift);
+class Buffer {
+ private:
+ BIO *bio_;
+
+ public:
+ Buffer(BIO *bio) :
+ bio_(bio)
+ {
+ _assert(bio_ != NULL);
+ }
+
+ Buffer() :
+ bio_(BIO_new(BIO_s_mem()))
+ {
+ }
- resign(idata, isize, output, fun([&](size_t size) -> size_t {
+ Buffer(const char *data, size_t size) :
+ Buffer(BIO_new_mem_buf(const_cast<char *>(data), size))
+ {
+ }
+
+ Buffer(const std::string &data) :
+ Buffer(data.data(), data.size())
+ {
+ }
+
+ Buffer(PKCS7 *pkcs) :
+ Buffer()
+ {
+ _assert(i2d_PKCS7_bio(bio_, pkcs) != 0);
+ }
+
+ ~Buffer() {
+ BIO_free_all(bio_);
+ }
+
+ operator BIO *() const {
+ return bio_;
+ }
+
+ explicit operator std::string() const {
+ char *data;
+ auto size(BIO_get_mem_data(bio_, &data));
+ return std::string(data, size);
+ }
+};
+
+class Stuff {
+ private:
+ PKCS12 *value_;
+ EVP_PKEY *key_;
+ X509 *cert_;
+ STACK_OF(X509) *ca_;
+
+ public:
+ Stuff(BIO *bio) :
+ 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);
+ }
+
+ Stuff(const std::string &data) :
+ Stuff(Buffer(data))
+ {
+ }
+
+ ~Stuff() {
+ sk_X509_pop_free(ca_, X509_free);
+ X509_free(cert_);
+ EVP_PKEY_free(key_);
+ PKCS12_free(value_);
+ }
+
+ operator PKCS12 *() const {
+ return value_;
+ }
+
+ operator EVP_PKEY *() const {
+ return key_;
+ }
+
+ operator X509 *() const {
+ return cert_;
+ }
+
+ operator STACK_OF(X509) *() const {
+ return ca_;
+ }
+};
+
+class Signature {
+ private:
+ PKCS7 *value_;
+
+ public:
+ Signature(const Stuff &stuff, const Buffer &data) :
+ value_(PKCS7_sign(stuff, stuff, stuff, data, PKCS7_BINARY | PKCS7_DETACHED))
+ {
+ _assert(value_ != NULL);
+ }
+
+ ~Signature() {
+ PKCS7_free(value_);
+ }
+
+ operator PKCS7 *() const {
+ return value_;
+ }
+};
+
+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_;
+ SHA_CTX context_;
+
+ public:
+ HashBuffer(std::vector<char> &hash) :
+ hash_(hash)
+ {
+ SHA1_Init(&context_);
+ }
+
+ ~HashBuffer() {
+ hash_.resize(SHA_DIGEST_LENGTH);
+ SHA1_Final(reinterpret_cast<uint8_t *>(hash_.data()), &context_);
+ }
+
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ 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);
+ }
+};
+
+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;
+ if (_syscall(mkdir(path.c_str(), 0755), EEXIST) == -EEXIST)
+ return;
+ 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()));
+}
+
+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([&](size_t size) -> size_t {
size_t alloc(sizeof(struct SuperBlob));
uint32_t special(0);
alloc += sizeof(struct BlobIndex);
alloc += 0xc;
- if (entitlements.size() != 0) {
+ if (!entitlements.empty()) {
special = std::max(special, CSSLOT_ENTITLEMENTS);
alloc += sizeof(struct BlobIndex);
alloc += sizeof(struct Blob);
alloc += sizeof(struct BlobIndex);
alloc += sizeof(struct Blob);
alloc += sizeof(struct CodeDirectory);
- alloc += name.size() + 1;
+ alloc += identifier.size() + 1;
- uint32_t normal((size + pagesize - 1) / pagesize);
+ if (!key.empty()) {
+ alloc += sizeof(struct BlobIndex);
+ alloc += sizeof(struct Blob);
+ // XXX: this is just a "sufficiently large number"
+ alloc += 0x3000;
+ }
+
+ _foreach (slot, slots)
+ special = std::max(special, slot.first);
+
+ uint32_t normal((size + PageSize_ - 1) / PageSize_);
alloc = Align(alloc + (special + normal) * SHA_DIGEST_LENGTH, 16);
return alloc;
}), fun([&](std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
if (true) {
std::stringbuf data;
- uint32_t requirements;
- requirements = Swap(0);
- put(data, &requirements, sizeof(requirements));
+ Blobs requirements;
+ put(data, CSMAGIC_REQUIREMENTS, requirements);
- insert(blobs, CSSLOT_REQUIREMENTS, CSMAGIC_REQUIREMENTS, data);
+ insert(blobs, CSSLOT_REQUIREMENTS, data);
}
- if (entitlements.size() != 0) {
+ if (!entitlements.empty()) {
std::stringbuf data;
put(data, entitlements.data(), entitlements.size());
insert(blobs, CSSLOT_ENTITLEMENTS, CSMAGIC_EMBEDDED_ENTITLEMENTS, data);
uint32_t special(0);
_foreach (blob, blobs)
special = std::max(special, blob.first);
- uint32_t normal((limit + pagesize - 1) / pagesize);
+ _foreach (slot, slots)
+ 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 + SHA_DIGEST_LENGTH * special));
directory.identOffset = Swap(uint32_t(sizeof(Blob) + sizeof(CodeDirectory)));
directory.nSpecialSlots = Swap(special);
directory.codeLimit = Swap(uint32_t(limit));
directory.hashSize = SHA_DIGEST_LENGTH;
directory.hashType = CS_HASHTYPE_SHA1;
directory.spare1 = 0x00;
- directory.pageSize = pageshift;
+ 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;
sha1((uint8_t *) (hashes - blob.first), local, Swap(local->length));
}
+ _foreach (slot, slots) {
+ _assert(sizeof(*hashes) == slot.second.size());
+ memcpy(hashes - slot.first, slot.second.data(), slot.second.size());
+ }
+
if (normal != 1)
for (size_t i = 0; i != normal - 1; ++i)
- sha1(hashes[i], (pagesize * i < overlap.size() ? overlap.data() : top) + pagesize * i, pagesize);
+ sha1(hashes[i], (PageSize_ * i < overlap.size() ? overlap.data() : top) + PageSize_ * i, PageSize_);
if (normal != 0)
- sha1(hashes[normal - 1], top + pagesize * (normal - 1), ((limit - 1) % pagesize) + 1);
+ sha1(hashes[normal - 1], top + PageSize_ * (normal - 1), ((limit - 1) % PageSize_) + 1);
put(data, storage, sizeof(storage));
insert(blobs, CSSLOT_CODEDIRECTORY, CSMAGIC_CODEDIRECTORY, data);
}
+ if (!key.empty()) {
+ std::stringbuf data;
+ const std::string &sign(blobs[CSSLOT_CODEDIRECTORY]);
+
+ Stuff stuff(key);
+ Buffer bio(sign);
+
+ Signature signature(stuff, sign);
+ Buffer result(signature);
+ std::string value(result);
+ put(data, value.data(), value.size());
+
+ insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data);
+ }
+
return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs);
}));
}
-void resign(void *idata, size_t isize, std::streambuf &output) {
- resign(idata, isize, output, fun([](size_t size) -> size_t {
+static void Unsign(void *idata, size_t isize, std::streambuf &output) {
+ Allocate(idata, isize, output, fun([](size_t size) -> size_t {
return 0;
}), fun([](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::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) {
+ auto root(Path(path));
+
+ FTS *fts(fts_open((char *[]) {const_cast<char *>(root.c_str()), NULL}, FTS_PHYSICAL | FTS_NOCHDIR, NULL));
+ _assert(fts != NULL);
+ _scope({ fts_close(fts); });
+
+ while (FTSENT *entry = fts_read(fts)) {
+ _assert(entry->fts_pathlen >= root.size());
+ _assert(strncmp(entry->fts_path, root.c_str(), root.size()) == 0);
+ if (entry->fts_pathlen == root.size())
+ continue;
+
+ _assert(entry->fts_path[root.size()] == '/');
+ std::string name(entry->fts_path + root.size() + 1);
+
+ if (Starts(Split(name).base, ".ldid."))
+ continue;
+
+ switch (auto info = entry->fts_info) {
+ case FTS_D:
+ case FTS_DP:
+ break;
+
+ case FTS_F: {
+ code(name, fun([&](const Functor<void (std::streambuf &, std::streambuf &)> &code) {
+ std::string access(path + name);
+ _assert_(Open(access, fun([&](std::streambuf &data) {
+ NullBuffer save;
+ code(data, save);
+ })), "open(): %s", access.c_str());
+ }));
+ } break;
+
+ default:
+ _assert_(false, "fts_info=%u", info);
+ }
+ }
+}
+
+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);
+}
+
+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;
+}
+
+static PList::Structure *plist(const std::string &data) {
+ if (!Starts(data, "bplist00"))
+ return PList::Structure::FromXml(data);
+ std::vector<char> bytes(data.data(), data.data() + data.size());
+ return PList::Structure::FromBin(bytes);
+}
+
+static void plist_d(std::streambuf &buffer, const Functor<void (PList::Dictionary *)> &code) {
+ std::stringbuf data;
+ copy(buffer, data);
+ PList::Structure *structure(plist(data.str()));
+ _scope({ delete structure; });
+ auto dictionary(dynamic_cast<PList::Dictionary *>(structure));
+ _assert(dictionary != NULL);
+ code(dictionary);
+}
+
+static std::string plist_s(PList::Node *node) {
+ auto value(dynamic_cast<PList::String *>(node));
+ _assert(value != NULL);
+ return value->GetValue();
+}
+
+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_;
+ }
+};
+
+std::string Bundle(const std::string &root, Folder &folder, const std::string &key, std::map<std::string, std::vector<char>> &remote) {
+ 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::Dictionary *dictionary) {
+ executable = plist_s(((*dictionary)["CFBundleExecutable"]));
+ identifier = plist_s(((*dictionary)["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::Dictionary *dictionary) {
+ // 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() == SHA_DIGEST_LENGTH);
+ }));
+
+ PList::Dictionary plist;
+
+ for (const auto &version : versions) {
+ PList::Dictionary 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)
+ files.Set(hash.first, PList::Data(hash.second));
+ else if (rule.mode_ == OptionalMode) {
+ PList::Dictionary entry;
+ entry.Set("hash", PList::Data(hash.second));
+ entry.Set("optional", PList::Boolean(true));
+ files.Set(hash.first, entry);
+ }
+
+ break;
+ }
+
+ plist.Set("files" + version.first, files);
+ }
+
+ for (const auto &version : versions) {
+ PList::Dictionary 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)
+ rules.Set(rule->code_, PList::Boolean(true));
+ else {
+ PList::Dictionary entry;
+
+ switch (rule->mode_) {
+ case NoMode:
+ break;
+ case OmitMode:
+ entry.Set("omit", PList::Boolean(true));
+ break;
+ case OptionalMode:
+ entry.Set("optional", PList::Boolean(true));
+ break;
+ case NestedMode:
+ entry.Set("nested", PList::Boolean(true));
+ break;
+ case TopMode:
+ entry.Set("top", PList::Boolean(true));
+ break;
+ }
+
+ if (rule->weight_ >= 10000)
+ entry.Set("weight", PList::Integer(rule->weight_));
+ else if (rule->weight_ != 1)
+ entry.Set("weight", PList::Real(rule->weight_));
+
+ rules.Set(rule->code_, entry);
+ }
+
+ plist.Set("rules" + version.first, rules);
+ }
+
+ folder.Save(signature, fun([&](std::streambuf &save) {
+ HashProxy proxy(local[signature], save);
+ auto xml(plist.ToXml());
+ put(proxy, xml.data(), 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, "", key, slots);
+ }));
+ }));
+
+ for (const auto &hash : local)
+ remote[root + hash.first] = hash.second;
+
+ return executable;
+}
+
+}
+
int main(int argc, char *argv[]) {
+ OpenSSL_add_all_algorithms();
+
union {
uint16_t word;
uint8_t byte[2];
uint32_t timev(0);
Map entitlements;
+ Map key;
+ ldid::Slots slots;
std::vector<std::string> files;
if (argv[argi][0] != '-')
files.push_back(argv[argi]);
else switch (argv[argi][1]) {
- case 'r': flag_r = true; break;
+ case 'r':
+ _assert(!flag_s);
+ _assert(!flag_S);
+ flag_r = true;
+ break;
+
case 'e': flag_e = true; break;
+ case 'E': {
+ const char *slot = argv[argi] + 2;
+ const char *colon = strchr(slot, ':');
+ _assert(colon != NULL);
+ Map file(colon + 1, O_RDONLY, PROT_READ, MAP_PRIVATE);
+ char *arge;
+ unsigned number(strtoul(slot, &arge, 0));
+ _assert(arge == colon);
+ std::vector<char> &hash(slots[number]);
+ hash.resize(SHA_DIGEST_LENGTH);
+ sha1(reinterpret_cast<uint8_t *>(hash.data()), file.data(), file.size());
+ } break;
+
case 'D': flag_D = true; break;
case 'a': flag_a = true; break;
case 'A':
+ _assert(!flag_A);
flag_A = true;
if (argv[argi][2] != '\0') {
const char *cpu = argv[argi] + 2;
break;
case 's':
+ _assert(!flag_r);
_assert(!flag_S);
flag_s = true;
break;
case 'S':
+ _assert(!flag_r);
_assert(!flag_s);
flag_S = true;
if (argv[argi][2] != '\0') {
}
break;
+ case 'K':
+ key.open(argv[argi] + 2, O_RDONLY, PROT_READ, MAP_PRIVATE);
+ break;
+
case 'T': {
flag_T = true;
if (argv[argi][2] == '-')
break;
}
- _assert(!flag_S || !flag_r);
+ _assert(flag_S || key.empty());
+ _assert(flag_S || flag_I == NULL);
if (files.empty()) usage: {
exit(0);
size_t filei(0), filee(0);
_foreach (file, files) try {
- const char *path(file.c_str());
- const char *base = strrchr(path, '/');
-
- std::string dir;
- if (base != NULL)
- dir.assign(path, base++ - path + 1);
- else
- base = path;
+ std::string path(file);
- const char *name(flag_I ?: base);
- std::string temp;
+ struct stat info;
+ _syscall(stat(path.c_str(), &info));
- if (flag_S || flag_r) {
+ if (S_ISDIR(info.st_mode)) {
+ _assert(!flag_r);
+ ldid::DiskFolder folder(path);
+ std::map<std::string, std::vector<char>> hashes;
+ path += "/" + Bundle("", folder, key, hashes);
+ } else if (flag_S || flag_r) {
Map input(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
- 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 {
- resign(input.data(), input.size(), output, name, entitlements);
+ std::string identifier(flag_I ?: split.base.c_str());
+ ldid::Sign(input.data(), input.size(), output, identifier, entitlements, key, slots);
}
+
+ Commit(path, temp);
}
- Map mapping(!temp.empty() ? temp.c_str() : path, flag_T || flag_s);
+ Map mapping(path, flag_T || flag_s);
FatHeader fat_header(mapping.data(), mapping.size());
_foreach (mach_header, fat_header.GetMachHeaders()) {
if (Swap(super->index[index].type) == CSSLOT_ENTITLEMENTS) {
uint32_t begin = Swap(super->index[index].offset);
struct Blob *entitlements = reinterpret_cast<struct Blob *>(blob + begin);
- fwrite(entitlements + 1, 1, Swap(entitlements->length) - sizeof(struct Blob), stdout);
+ fwrite(entitlements + 1, 1, Swap(entitlements->length) - sizeof(*entitlements), stdout);
}
}
if (pages != 1)
for (size_t i = 0; i != pages - 1; ++i)
- sha1(hashes[i], top + 0x1000 * i, 0x1000);
+ sha1(hashes[i], top + PageSize_ * i, PageSize_);
if (pages != 0)
- sha1(hashes[pages - 1], top + 0x1000 * (pages - 1), ((data - 1) % 0x1000) + 1);
+ sha1(hashes[pages - 1], top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1);
}
}
}
- if (!temp.empty()) {
- 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));
- }
-
++filei;
} catch (const char *) {
++filee;
projects / ldid.git / blobdiff