#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
#ifndef LDID_NOPLIST
#include <plist/plist.h>
+#elif __APPLE__
+#include <CoreFoundation/CoreFoundation.h>
#endif
#include "ldid.hpp"
#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); \
} }()
#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)
uint32_t flags;
uint32_t reserved1;
uint32_t reserved2;
+ uint32_t reserved3;
} _packed;
struct linkedit_data_command {
#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0
#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
-inline void get(std::streambuf &stream, void *data, size_t size) {
- _assert(stream.sgetn(static_cast<char *>(data), size) == size);
+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));
+ _assert(writ >= 0);
+ return writ;
}
-inline void put(std::streambuf &stream, const void *data, size_t size) {
+static inline void get(std::streambuf &stream, void *data, size_t size) {
+ _assert(read(stream, data, size) == size);
+}
+
+static inline void put(std::streambuf &stream, const void *data, size_t size) {
_assert(stream.sputn(static_cast<const char *>(data), size) == size);
}
-inline void pad(std::streambuf &stream, size_t size) {
+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;
+ progress(double(total) / size);
+ }
+}
+
+static size_t most(std::streambuf &stream, void *data, size_t size) {
+ size_t total(size);
+ while (size > 0)
+ if (auto writ = read(stream, data, size))
+ size -= writ;
+ else break;
+ return total - size;
+}
+
+static inline void pad(std::streambuf &stream, size_t size) {
char padding[size];
memset(padding, 0, size);
put(stream, padding, size);
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)
#define CSSLOT_RESOURCEDIR uint32_t(0x00003)
#define CSSLOT_APPLICATION uint32_t(0x00004)
#define CSSLOT_ENTITLEMENTS uint32_t(0x00005)
+#define CSSLOT_ALTERNATE uint32_t(0x01000)
#define CSSLOT_SIGNATURESLOT uint32_t(0x10000)
-#define CS_HASHTYPE_SHA1 1
+#define CS_HASHTYPE_SHA160_160 1
+#define CS_HASHTYPE_SHA256_256 2
+#define CS_HASHTYPE_SHA256_160 3
+#define CS_HASHTYPE_SHA386_386 4
struct BlobIndex {
uint32_t type;
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;
} _packed;
+enum CodeSignatureFlags {
+ kSecCodeSignatureHost = 0x0001,
+ kSecCodeSignatureAdhoc = 0x0002,
+ kSecCodeSignatureForceHard = 0x0100,
+ kSecCodeSignatureForceKill = 0x0200,
+ kSecCodeSignatureForceExpiration = 0x0400,
+ kSecCodeSignatureRestrict = 0x0800,
+ kSecCodeSignatureEnforcement = 0x1000,
+ kSecCodeSignatureLibraryValidation = 0x2000,
+};
+
+enum Kind : uint32_t {
+ exprForm = 1, // prefix expr form
+};
+
+enum ExprOp : uint32_t {
+ opFalse, // unconditionally false
+ opTrue, // unconditionally true
+ opIdent, // match canonical code [string]
+ opAppleAnchor, // signed by Apple as Apple's product
+ opAnchorHash, // match anchor [cert hash]
+ opInfoKeyValue, // *legacy* - use opInfoKeyField [key; value]
+ opAnd, // binary prefix expr AND expr [expr; expr]
+ opOr, // binary prefix expr OR expr [expr; expr]
+ opCDHash, // match hash of CodeDirectory directly [cd hash]
+ opNot, // logical inverse [expr]
+ opInfoKeyField, // Info.plist key field [string; match suffix]
+ opCertField, // Certificate field [cert index; field name; match suffix]
+ opTrustedCert, // require trust settings to approve one particular cert [cert index]
+ opTrustedCerts, // require trust settings to approve the cert chain
+ opCertGeneric, // Certificate component by OID [cert index; oid; match suffix]
+ opAppleGenericAnchor, // signed by Apple in any capacity
+ opEntitlementField, // entitlement dictionary field [string; match suffix]
+ opCertPolicy, // Certificate policy by OID [cert index; oid; match suffix]
+ opNamedAnchor, // named anchor type
+ opNamedCode, // named subroutine
+ opPlatform, // platform constraint [integer]
+ exprOpCount // (total opcode count in use)
+};
+
+enum MatchOperation {
+ matchExists, // anything but explicit "false" - no value stored
+ matchEqual, // equal (CFEqual)
+ matchContains, // partial match (substring)
+ matchBeginsWith, // partial match (initial substring)
+ matchEndsWith, // partial match (terminal substring)
+ matchLessThan, // less than (string with numeric comparison)
+ matchGreaterThan, // greater than (string with numeric comparison)
+ matchLessEqual, // less or equal (string with numeric comparison)
+ matchGreaterEqual, // greater or equal (string with numeric comparison)
+};
+
+#define OID_ISO_MEMBER 42
+#define OID_US OID_ISO_MEMBER, 134, 72
+#define APPLE_OID OID_US, 0x86, 0xf7, 0x63
+#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
-static void sha1(uint8_t *hash, const void *data, size_t size) {
- LDID_SHA1(static_cast<const uint8_t *>(data), size, hash);
+struct Algorithm {
+ size_t size_;
+ uint8_t type_;
+
+ Algorithm(size_t size, uint8_t type) :
+ size_(size),
+ type_(type)
+ {
+ }
+
+ virtual const uint8_t *operator [](const ldid::Hash &hash) const = 0;
+
+ 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)
+ {
+ }
+
+ virtual const uint8_t *operator [](const ldid::Hash &hash) const {
+ return hash.sha1_;
+ }
+
+ void operator ()(uint8_t *hash, const void *data, size_t size) const {
+ LDID_SHA1(static_cast<const uint8_t *>(data), size, hash);
+ }
+
+ void operator ()(ldid::Hash &hash, const void *data, size_t size) const {
+ return operator()(hash.sha1_, data, size);
+ }
+
+ void operator ()(std::vector<char> &hash, const void *data, size_t size) const {
+ hash.resize(LDID_SHA1_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)
+ {
+ }
+
+ virtual const uint8_t *operator [](const ldid::Hash &hash) const {
+ return hash.sha256_;
+ }
+
+ void operator ()(uint8_t *hash, const void *data, size_t size) const {
+ LDID_SHA256(static_cast<const uint8_t *>(data), size, hash);
+ }
+
+ void operator ()(ldid::Hash &hash, const void *data, size_t size) const {
+ return operator()(hash.sha256_, data, size);
+ }
+
+ void operator ()(std::vector<char> &hash, const void *data, size_t size) const {
+ hash.resize(LDID_SHA256_DIGEST_LENGTH);
+ return operator ()(reinterpret_cast<uint8_t *>(hash.data()), data, size);
+ }
+
+ virtual const char *name() {
+ return "sha256";
+ }
+};
+
+static const std::vector<Algorithm *> &GetAlgorithms() {
+ static AlgorithmSHA1 sha1;
+ static AlgorithmSHA256 sha256;
+
+ static Algorithm *array[] = {
+ &sha1,
+ &sha256,
+ };
+
+ static std::vector<Algorithm *> algorithms(array, array + sizeof(array) / sizeof(array[0]));
+ return algorithms;
}
struct CodesignAllocation {
uint32_t limit_;
uint32_t alloc_;
uint32_t align_;
+ const char *arch_;
- 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) :
mach_header_(mach_header),
offset_(offset),
size_(size),
limit_(limit),
alloc_(alloc),
- align_(align)
+ align_(align),
+ arch_(arch)
{
}
};
namespace ldid {
-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) {
+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);
+ }
+ }
+
+ 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 Progress &)> &save, const Progress &progress) {
FatHeader source(const_cast<void *>(idata), isize);
size_t offset(0);
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(size));
+ size_t alloc(allocate(mach_header, size));
auto *fat_arch(mach_header.GetFatArch());
uint32_t align;
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;
+ }
+
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));
offset += size + alloc;
offset = Align(offset, 0x10);
}
}
_foreach (allocation, allocations) {
+ progress(allocation.arch_);
auto &mach_header(allocation.mach_header_);
pad(output, allocation.offset_ - position);
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));
+ 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(output, allocation.limit_, overlap, top));
+ size_t saved(save(mach_header, output, allocation.limit_, overlap, top, progress));
if (allocation.alloc_ > saved)
pad(output, allocation.alloc_ - saved);
+ else
+ _assert(allocation.alloc_ == saved);
position += allocation.alloc_;
}
}
std::swap(blobs[slot], value);
}
-static void insert(Blobs &blobs, uint32_t slot, uint32_t magic, const std::stringbuf &buffer) {
+static const std::string &insert(Blobs &blobs, uint32_t slot, uint32_t magic, const std::stringbuf &buffer) {
auto value(buffer.str());
Blob blob;
blob.magic = Swap(magic);
blob.length = Swap(uint32_t(sizeof(blob) + value.size()));
value.insert(0, reinterpret_cast<char *>(&blob), sizeof(blob));
- std::swap(blobs[slot], value);
+ auto &save(blobs[slot]);
+ std::swap(save, value);
+ return save;
}
static size_t put(std::streambuf &output, uint32_t magic, const Blobs &blobs) {
{
_assert(value_ != NULL);
_assert(PKCS12_parse(value_, "", &key_, &cert_, &ca_) != 0);
+
_assert(key_ != NULL);
_assert(cert_ != NULL);
+
+ if (ca_ == NULL)
+ ca_ = sk_X509_new_null();
+ _assert(ca_ != NULL);
}
Stuff(const std::string &data) :
PKCS7 *value_;
public:
- Signature(const Stuff &stuff, const Buffer &data) :
- value_(PKCS7_sign(stuff, stuff, stuff, data, PKCS7_BINARY | PKCS7_DETACHED))
- {
+ Signature(const Stuff &stuff, const Buffer &data, const std::string &xml) {
+ value_ = PKCS7_new();
_assert(value_ != NULL);
+
+ _assert(PKCS7_set_type(value_, NID_pkcs7_signed));
+ _assert(PKCS7_content_new(value_, NID_pkcs7_data));
+
+ 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)));
+
+ // XXX: this is the same as PKCS7_sign_add_signer(value_, stuff, stuff, NULL, PKCS7_NOSMIMECAP)
+ _assert(X509_check_private_key(stuff, stuff));
+ auto info(PKCS7_add_signature(value_, stuff, stuff, EVP_sha1()));
+ _assert(info != NULL);
+ _assert(PKCS7_add_certificate(value_, stuff));
+ _assert(PKCS7_add_signed_attribute(info, NID_pkcs9_contentType, V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data)));
+
+ PKCS7_set_detached(value_, 1);
+
+ ASN1_OCTET_STRING *string(ASN1_OCTET_STRING_new());
+ _assert(string != NULL);
+ try {
+ _assert(ASN1_STRING_set(string, xml.data(), xml.size()));
+
+ static auto nid(OBJ_create("1.2.840.113635.100.9.1", "", ""));
+ _assert(PKCS7_add_signed_attribute(info, nid, V_ASN1_OCTET_STRING, string));
+ } catch (...) {
+ ASN1_OCTET_STRING_free(string);
+ throw;
+ }
+
+ // XXX: this is the same as PKCS7_final(value_, data, PKCS7_BINARY)
+ BIO *bio(PKCS7_dataInit(value_, NULL));
+ _assert(bio != NULL);
+ _scope({ BIO_free_all(bio); });
+ SMIME_crlf_copy(data, bio, PKCS7_BINARY);
+ BIO_flush(bio);
+ _assert(PKCS7_dataFinal(value_, bio));
}
~Signature() {
}
};
+class Digest {
+ public:
+ uint8_t sha1_[LDID_SHA1_DIGEST_LENGTH];
+};
+
class HashBuffer :
public std::streambuf
{
private:
- std::vector<char> &hash_;
- LDID_SHA1_CTX context_;
+ ldid::Hash &hash_;
+
+ LDID_SHA1_CTX sha1_;
+ LDID_SHA256_CTX sha256_;
public:
- HashBuffer(std::vector<char> &hash) :
+ HashBuffer(ldid::Hash &hash) :
hash_(hash)
{
- LDID_SHA1_Init(&context_);
+ LDID_SHA1_Init(&sha1_);
+ LDID_SHA256_Init(&sha256_);
}
~HashBuffer() {
- hash_.resize(LDID_SHA1_DIGEST_LENGTH);
- LDID_SHA1_Final(reinterpret_cast<uint8_t *>(hash_.data()), &context_);
+ LDID_SHA1_Final(reinterpret_cast<uint8_t *>(hash_.sha1_), &sha1_);
+ LDID_SHA256_Final(reinterpret_cast<uint8_t *>(hash_.sha256_), &sha256_);
}
virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
- LDID_SHA1_Update(&context_, data, size);
+ LDID_SHA1_Update(&sha1_, data, size);
+ LDID_SHA256_Update(&sha256_, data, size);
return size;
}
std::streambuf &buffer_;
public:
- HashProxy(std::vector<char> &hash, std::streambuf &buffer) :
+ HashProxy(ldid::Hash &hash, std::streambuf &buffer) :
HashBuffer(hash),
buffer_(buffer)
{
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 {
+#ifndef LDID_NOSMIME
+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);
+ auto next(X509_NAME_get_index_by_NID(name, nid, index));
+ _assert(next == -1);
+ auto entry(X509_NAME_get_entry(name, index));
+ _assert(entry != NULL);
+ auto asn(X509_NAME_ENTRY_get_data(entry));
+ _assert(asn != NULL);
+ value.assign(reinterpret_cast<char *>(ASN1_STRING_data(asn)), ASN1_STRING_length(asn));
+}
+#endif
+
+static void req(std::streambuf &buffer, uint32_t value) {
+ value = Swap(value);
+ put(buffer, &value, sizeof(value));
+}
+
+static void req(std::streambuf &buffer, const std::string &value) {
+ req(buffer, value.size());
+ put(buffer, value.data(), value.size());
+ static uint8_t zeros[] = {0,0,0,0};
+ put(buffer, zeros, 3 - (value.size() + 3) % 4);
+}
+
+template <size_t Size_>
+static void req(std::streambuf &buffer, uint8_t (&&data)[Size_]) {
+ req(buffer, Size_);
+ put(buffer, data, Size_);
+ static uint8_t zeros[] = {0,0,0,0};
+ 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, 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);
+ get(team, name, NID_organizationalUnitName);
+ get(common, name, NID_commonName);
+ }
+#endif
+
+
+ std::stringbuf backing;
+
+ if (!requirements.empty()) {
+ put(backing, requirements.data(), requirements.size());
+ } else {
+ Blobs blobs;
+
+ std::stringbuf requirement;
+ req(requirement, exprForm);
+ req(requirement, opAnd);
+ req(requirement, opIdent);
+ req(requirement, identifier);
+ req(requirement, opAnd);
+ req(requirement, opAppleGenericAnchor);
+ req(requirement, opAnd);
+ req(requirement, opCertField);
+ req(requirement, 0);
+ req(requirement, "subject.CN");
+ req(requirement, matchEqual);
+ req(requirement, common);
+ req(requirement, opCertGeneric);
+ req(requirement, 1);
+ req(requirement, (uint8_t []) {APPLE_EXTENSION_OID, 2, 1});
+ req(requirement, matchExists);
+ insert(blobs, 3, CSMAGIC_REQUIREMENT, requirement);
+
+ put(backing, CSMAGIC_REQUIREMENTS, blobs);
+ }
+
+
+ // 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 {
size_t alloc(sizeof(struct SuperBlob));
+ uint32_t normal((size + PageSize_ - 1) / PageSize_);
+
uint32_t special(0);
+ _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);
+ }));
+
special = std::max(special, CSSLOT_REQUIREMENTS);
alloc += sizeof(struct BlobIndex);
- alloc += 0xc;
+ alloc += backing.str().size();
if (!entitlements.empty()) {
special = std::max(special, CSSLOT_ENTITLEMENTS);
alloc += entitlements.size();
}
- special = std::max(special, CSSLOT_CODEDIRECTORY);
- alloc += sizeof(struct BlobIndex);
- alloc += sizeof(struct Blob);
- alloc += sizeof(struct CodeDirectory);
- alloc += identifier.size() + 1;
+ size_t directory(0);
+
+ directory += sizeof(struct BlobIndex);
+ directory += sizeof(struct Blob);
+ directory += sizeof(struct CodeDirectory);
+ directory += identifier.size() + 1;
+
+ if (!team.empty())
+ directory += team.size() + 1;
+ 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);
- // XXX: this is just a "sufficiently large number"
- alloc += 0x3000;
+ alloc += certificate;
}
+#endif
- _foreach (slot, slots)
- special = std::max(special, slot.first);
-
- uint32_t normal((size + PageSize_ - 1) / PageSize_);
- 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, const Progress &progress) -> size_t {
Blobs blobs;
if (true) {
- std::stringbuf data;
-
- Blobs requirements;
- put(data, CSMAGIC_REQUIREMENTS, requirements);
-
- insert(blobs, CSSLOT_REQUIREMENTS, data);
+ insert(blobs, CSSLOT_REQUIREMENTS, backing);
}
if (!entitlements.empty()) {
insert(blobs, CSSLOT_ENTITLEMENTS, CSMAGIC_EMBEDDED_ENTITLEMENTS, data);
}
- if (true) {
+ 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) {
+ auto &slot(posts[CSSLOT_INFOSLOT]);
+ for (Algorithm *algorithm : GetAlgorithms())
+ (*algorithm)(slot, data, size);
+ }
+ }));
+
+ unsigned total(0);
+ for (Algorithm *pointer : GetAlgorithms()) {
+ Algorithm &algorithm(*pointer);
+
std::stringbuf data;
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) + identifier.size() + 1 + LDID_SHA1_DIGEST_LENGTH * special));
- directory.identOffset = Swap(uint32_t(sizeof(Blob) + sizeof(CodeDirectory)));
+ directory.version = Swap(uint32_t(0x00020200));
+ directory.flags = Swap(uint32_t(flags));
directory.nSpecialSlots = Swap(special);
directory.codeLimit = Swap(uint32_t(limit));
directory.nCodeSlots = Swap(normal);
- directory.hashSize = LDID_SHA1_DIGEST_LENGTH;
- directory.hashType = CS_HASHTYPE_SHA1;
- directory.spare1 = 0x00;
+ directory.hashSize = algorithm.size_;
+ directory.hashType = algorithm.type_;
+ 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));
+
+ uint32_t offset(sizeof(Blob) + sizeof(CodeDirectory));
+
+ directory.identOffset = Swap(uint32_t(offset));
+ offset += identifier.size() + 1;
+
+ if (team.empty())
+ directory.teamIDOffset = Swap(uint32_t(0));
+ else {
+ directory.teamIDOffset = Swap(uint32_t(offset));
+ offset += team.size() + 1;
+ }
+
+ offset += special * algorithm.size_;
+ directory.hashOffset = Swap(uint32_t(offset));
+ offset += normal * algorithm.size_;
+
put(data, &directory, sizeof(directory));
put(data, identifier.c_str(), identifier.size() + 1);
+ if (!team.empty())
+ put(data, team.c_str(), team.size() + 1);
- uint8_t storage[special + normal][LDID_SHA1_DIGEST_LENGTH];
- uint8_t (*hashes)[LDID_SHA1_DIGEST_LENGTH] = storage + special;
+ std::vector<uint8_t> storage((special + normal) * algorithm.size_);
+ auto *hashes(&storage[special * algorithm.size_]);
- memset(storage, 0, sizeof(*storage) * special);
+ memset(storage.data(), 0, special * algorithm.size_);
_foreach (blob, blobs) {
auto local(reinterpret_cast<const Blob *>(&blob.second[0]));
- sha1((uint8_t *) (hashes - blob.first), local, Swap(local->length));
+ algorithm(hashes - blob.first * algorithm.size_, local, Swap(local->length));
}
- _foreach (slot, slots) {
- _assert(sizeof(*hashes) == slot.second.size());
- memcpy(hashes - slot.first, slot.second.data(), slot.second.size());
- }
+ _foreach (slot, posts)
+ memcpy(hashes - slot.first * algorithm.size_, algorithm[slot.second], algorithm.size_);
+ progress(0);
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_);
+ for (size_t i = 0; i != normal - 1; ++i) {
+ algorithm(hashes + i * algorithm.size_, (PageSize_ * i < overlap.size() ? overlap.data() : top) + PageSize_ * i, PageSize_);
+ progress(double(i) / normal);
+ }
if (normal != 0)
- sha1(hashes[normal - 1], top + PageSize_ * (normal - 1), ((limit - 1) % PageSize_) + 1);
+ algorithm(hashes + (normal - 1) * algorithm.size_, top + PageSize_ * (normal - 1), ((limit - 1) % PageSize_) + 1);
+ progress(1);
+
+ put(data, storage.data(), storage.size());
- put(data, storage, sizeof(storage));
+ const auto &save(insert(blobs, total == 0 ? CSSLOT_CODEDIRECTORY : CSSLOT_ALTERNATE + total - 1, CSMAGIC_CODEDIRECTORY, data));
+ algorithm(hash, save.data(), save.size());
- insert(blobs, CSSLOT_CODEDIRECTORY, CSMAGIC_CODEDIRECTORY, data);
+ ++total;
}
#ifndef LDID_NOSMIME
if (!key.empty()) {
+#ifdef LDID_NOPLIST
+ auto plist(CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
+ _scope({ CFRelease(plist); });
+
+ auto cdhashes(CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
+ _scope({ CFRelease(cdhashes); });
+
+ CFDictionarySetValue(plist, CFSTR("cdhashes"), cdhashes);
+#else
+ auto plist(plist_new_dict());
+ _scope({ plist_free(plist); });
+
+ auto cdhashes(plist_new_array());
+ plist_dict_set_item(plist, "cdhashes", cdhashes);
+#endif
+
+ unsigned total(0);
+ for (Algorithm *pointer : GetAlgorithms()) {
+ Algorithm &algorithm(*pointer);
+ (void) algorithm;
+
+ const auto &blob(blobs[total == 0 ? CSSLOT_CODEDIRECTORY : CSSLOT_ALTERNATE + total - 1]);
+ ++total;
+
+ std::vector<char> hash;
+ algorithm(hash, blob.data(), blob.size());
+ hash.resize(20);
+
+#ifdef LDID_NOPLIST
+ auto value(CFDataCreate(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(hash.data()), hash.size()));
+ _scope({ CFRelease(value); });
+ CFArrayAppendValue(cdhashes, value);
+#else
+ plist_array_append_item(cdhashes, plist_new_data(hash.data(), hash.size()));
+#endif
+ }
+
+#ifdef LDID_NOPLIST
+ auto created(CFPropertyListCreateXMLData(kCFAllocatorDefault, plist));
+ _scope({ CFRelease(created); });
+ auto xml(reinterpret_cast<const char *>(CFDataGetBytePtr(created)));
+ auto size(CFDataGetLength(created));
+#else
+ char *xml(NULL);
+ uint32_t size;
+ plist_to_xml(plist, &xml, &size);
+ _scope({ free(xml); });
+#endif
+
std::stringbuf data;
const std::string &sign(blobs[CSSLOT_CODEDIRECTORY]);
Stuff stuff(key);
Buffer bio(sign);
- Signature signature(stuff, sign);
+ Signature signature(stuff, sign, std::string(xml, size));
Buffer result(signature);
std::string value(result);
put(data, value.data(), value.size());
- insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data);
+ const auto &save(insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data));
+ _assert(save.size() <= certificate);
}
#endif
return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs);
- }));
+ }), progress);
+
+ return hash;
}
#ifndef LDID_NOTOOLS
-static void Unsign(void *idata, size_t isize, std::streambuf &output) {
- Allocate(idata, isize, output, fun([](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, 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, const Progress &progress) -> size_t {
return 0;
- }));
+ }), progress);
}
-std::string DiskFolder::Path(const std::string &path) {
+std::string DiskFolder::Path(const std::string &path) const {
return path_ + "/" + path;
}
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) {
+#ifndef __WIN32__
+std::string readlink(const std::string &path) {
+ for (size_t size(1024); ; size *= 2) {
+ std::string data;
+ data.resize(size);
+
+ int writ(_syscall(::readlink(path.c_str(), &data[0], data.size())));
+ if (size_t(writ) >= size)
+ continue;
+
+ data.resize(writ);
+ return data;
+ }
+}
+#endif
+
+void DiskFolder::Find(const std::string &root, const std::string &base, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const {
std::string path(Path(root) + base);
DIR *dir(opendir(path.c_str()));
#ifdef __WIN32__
struct stat info;
- _syscall(stat(path.c_str(), &info));
+ _syscall(stat((path + name).c_str(), &info));
if (false);
else if (S_ISDIR(info.st_mode))
directory = true;
case DT_REG:
directory = false;
break;
+ case DT_LNK:
+ link(base + name, fun([&]() { return readlink(path + name); }));
+ continue;
default:
_assert_(false, "d_type=%u", child->d_type);
}
#endif
if (directory)
- Find(root, base + name + "/", code);
+ Find(root, base + name + "/", code, link);
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());
- }));
+ code(base + name);
}
}
-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);
+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;
+ code(save);
+ } else {
+ 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) {
+bool DiskFolder::Look(const std::string &path) const {
+ return _syscall(access(Path(path).c_str(), R_OK), ENOENT) == 0;
+}
+
+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));
- if (result == NULL)
- return false;
- _assert(result == &data);
- code(data);
- return true;
+ _assert_(result == &data, "DiskFolder::Open(%s)", path.c_str());
+
+ auto length(data.pubseekoff(0, std::ios::end, std::ios::in));
+ data.pubseekpos(0, std::ios::in);
+ code(data, length, NULL);
}
-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);
+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
{
}
-void SubFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
- return parent_.Save(path_ + path, code);
+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);
}
-bool SubFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+bool SubFolder::Look(const std::string &path) const {
+ 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);
}
-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);
+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);
+}
+
+std::string UnionFolder::Map(const std::string &path) const {
+ auto remap(remaps_.find(path));
+ if (remap == remaps_.end())
+ return path;
+ return remap->second;
+}
+
+void UnionFolder::Map(const std::string &path, const Functor<void (const std::string &)> &code, const std::string &file, const Functor<void (const Functor<void (std::streambuf &, size_t, const void *)> &)> &save) const {
+ if (file.size() >= path.size() && file.substr(0, path.size()) == path)
+ code(file.substr(path.size()));
}
UnionFolder::UnionFolder(Folder &parent) :
{
}
-void UnionFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
- return parent_.Save(path, code);
+void UnionFolder::Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code) {
+ return parent_.Save(Map(path), edit, flag, code);
+}
+
+bool UnionFolder::Look(const std::string &path) const {
+ auto file(resets_.find(path));
+ if (file != resets_.end())
+ return true;
+ return parent_.Look(Map(path));
}
-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);
+void UnionFolder::Open(const std::string &path, const Functor<void (std::streambuf &, size_t, const void *)> &code) const {
+ auto file(resets_.find(path));
+ if (file == resets_.end())
+ return parent_.Open(Map(path), code);
+ auto &entry(file->second);
- auto &data(file->second);
+ auto &data(*entry.data_);
+ auto length(data.pubseekoff(0, std::ios::end, std::ios::in));
data.pubseekpos(0, std::ios::in);
- code(data);
- return true;
+ code(data, length, entry.flag_);
}
-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(name) == files_.end())
- code(name, save);
- }));
+void UnionFolder::Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const {
+ for (auto &reset : resets_)
+ Map(path, code, reset.first, fun([&](const Functor<void (std::streambuf &, size_t, const void *)> &code) {
+ auto &entry(reset.second);
+ auto &data(*entry.data_);
+ auto length(data.pubseekoff(0, std::ios::end, std::ios::in));
+ data.pubseekpos(0, std::ios::in);
+ code(data, length, entry.flag_);
+ }));
- for (auto &file : files_)
- code(file.first, 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);
+ for (auto &remap : remaps_)
+ Map(path, code, remap.first, fun([&](const Functor<void (std::streambuf &, size_t, const void *)> &code) {
+ parent_.Open(remap.second, fun([&](std::streambuf &data, size_t length, const void *flag) {
+ code(data, length, flag);
}));
}));
+
+ parent_.Find(path, fun([&](const std::string &name) {
+ if (deletes_.find(path + name) == deletes_.end())
+ code(name);
+ }), fun([&](const std::string &name, const Functor<std::string ()> &read) {
+ if (deletes_.find(path + name) == deletes_.end())
+ link(name, read);
+ }));
}
#ifndef LDID_NOTOOLS
-static size_t copy(std::streambuf &source, std::streambuf &target) {
+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];
+ char data[4096 * 4];
size_t writ(source.sgetn(data, sizeof(data)));
if (writ == 0)
break;
_assert(target.sputn(data, writ) == writ);
total += writ;
+ progress(double(total) / length);
}
- return total;
}
#ifndef LDID_NOPLIST
return plist;
}
-static void plist_d(std::streambuf &buffer, const Functor<void (plist_t)> &code) {
+static void plist_d(std::streambuf &buffer, size_t length, const Functor<void (plist_t)> &code) {
std::stringbuf data;
- copy(buffer, data);
+ copy(buffer, data, length, dummy_);
auto node(plist(data.str()));
_scope({ plist_free(node); });
_assert(plist_get_node_type(node) == PLIST_DICT);
class Expression {
private:
regex_t regex_;
+ std::vector<std::string> matches_;
public:
Expression(const std::string &code) {
- _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED | REG_NOSUB) == 0, "regcomp()");
+ _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED) == 0, "regcomp()");
+ matches_.resize(regex_.re_nsub + 1);
}
~Expression() {
regfree(®ex_);
}
- bool operator ()(const std::string &data) const {
- auto value(regexec(®ex_, data.c_str(), 0, NULL, 0));
+ bool operator ()(const std::string &data) {
+ regmatch_t matches[matches_.size()];
+ auto value(regexec(®ex_, data.c_str(), matches_.size(), matches, 0));
if (value == REG_NOMATCH)
return false;
_assert_(value == 0, "regexec()");
+ for (size_t i(0); i != matches_.size(); ++i)
+ matches_[i].assign(data.data() + matches[i].rm_so, matches[i].rm_eo - matches[i].rm_so);
return true;
}
+
+ const std::string &operator [](size_t index) const {
+ return matches_[index];
+ }
};
struct Rule {
};
#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) {
+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, 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, 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, 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 Progress &progress) {
std::string executable;
std::string identifier;
- static const std::string info("Info.plist");
+ bool mac(false);
+
+ std::string info("Info.plist");
+ if (!folder.Look(info) && folder.Look("Resources/" + info)) {
+ mac = true;
+ info = "Resources/" + info;
+ }
- _assert_(folder.Open(info, fun([&](std::streambuf &buffer) {
- plist_d(buffer, fun([&](plist_t node) {
+ 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"));
}));
- })), "open(): Info.plist");
+ }));
+
+ if (!mac && folder.Look("MacOS/" + executable)) {
+ 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, progress);
+ // XXX: this is a stupid hack
+ pad(temp, 0x10 - (length & 0xf));
+ auto data(temp.str());
+ entitlements = alter(root, Analyze(data.data(), data.size()));
+ }));
+
+ static const std::string directory("_CodeSignature/");
+ static const std::string signature(directory + "CodeResources");
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
- }));
- }));
+ const std::string resources(mac ? "Resources/" : "");
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, "^" + resources});
+ rules1.insert(Rule{1000, OptionalMode, "^" + resources + ".*\\.lproj/"});
+ rules1.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"});
+ rules1.insert(Rule{1010, NoMode, "^Base\\.lproj/"});
rules1.insert(Rule{1, NoMode, "^version.plist$"});
}
if (true) {
rules2.insert(Rule{11, NoMode, ".*\\.dSYM($|/)"});
- rules2.insert(Rule{20, NoMode, "^"});
+ rules2.insert(Rule{20, NoMode, "^" + resources});
rules2.insert(Rule{2000, OmitMode, "^(.*/)?\\.DS_Store$"});
- 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{1000, OptionalMode, "^" + resources + ".*\\.lproj/"});
+ rules2.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"});
+ rules2.insert(Rule{1010, NoMode, "^Base\\.lproj/"});
rules2.insert(Rule{20, OmitMode, "^Info\\.plist$"});
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$"});
}
- std::map<std::string, std::vector<char>> local;
+ std::map<std::string, Hash> local;
- static Expression nested("^PlugIns/[^/]*\\.appex/Info\\.plist$");
+ 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, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
+ folder.Find("", fun([&](const std::string &name) {
if (!nested(name))
return;
auto bundle(root + Split(name).dir);
+ bundle.resize(bundle.size() - resources.size());
SubFolder subfolder(folder, bundle);
- Bundle(bundle, subfolder, key, local, "");
+
+ 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 &) -> std::string { return entitlements; }))
+ , progress);
+ }), fun([&](const std::string &name, const Functor<std::string ()> &read) {
}));
- folder.Find("", fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
- if (name == executable || name == signature)
+ std::set<std::string> excludes;
+
+ auto exclude([&](const std::string &name) {
+ // BundleDiskRep::adjustResources -> builder.addExclusion
+ if (name == executable || Starts(name, directory) || Starts(name, "_MASReceipt/") || name == "CodeResources")
+ return true;
+
+ for (const auto &bundle : bundles)
+ if (Starts(name, bundle.first + "/")) {
+ excludes.insert(name);
+ return true;
+ }
+
+ return false;
+ });
+
+ std::map<std::string, std::string> links;
+
+ folder.Find("", fun([&](const std::string &name) {
+ if (exclude(name))
return;
- auto &hash(local[name]);
- if (!hash.empty())
+ if (local.find(name) != local.end())
return;
+ auto &hash(local[name]);
+
+ folder.Open(name, fun([&](std::streambuf &data, size_t length, const void *flag) {
+ progress(root + name);
+
+ union {
+ struct {
+ uint32_t magic;
+ uint32_t count;
+ };
+
+ uint8_t bytes[8];
+ } header;
+
+ auto size(most(data, &header.bytes, sizeof(header.bytes)));
+
+ if (name != "_WatchKitStub/WK" && size == sizeof(header.bytes))
+ switch (Swap(header.magic)) {
+ case FAT_MAGIC:
+ // Java class file format
+ if (Swap(header.count) >= 40)
+ break;
+ case FAT_CIGAM:
+ case MH_MAGIC: case MH_MAGIC_64:
+ 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, 0, false, Progression(progress, root + name));
+ }));
+ return;
+ }
- code(fun([&](std::streambuf &data, std::streambuf &save) {
- HashProxy proxy(hash, save);
- copy(data, proxy);
+ folder.Save(name, false, flag, fun([&](std::streambuf &save) {
+ HashProxy proxy(hash, save);
+ put(proxy, header.bytes, size);
+ copy(data, proxy, length - size, progress);
+ }));
}));
+ }), fun([&](const std::string &name, const Functor<std::string ()> &read) {
+ if (exclude(name))
+ return;
- _assert(hash.size() == LDID_SHA1_DIGEST_LENGTH);
+ links[name] = read();
}));
auto plist(plist_new_dict());
for (const auto &rule : version.second)
rule.Compile();
+ bool old(&version.second == &rules1);
+
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) {
+ if (!old && mac && excludes.find(hash.first) != excludes.end());
+ else if (old && rule.mode_ == NoMode)
+ plist_dict_set_item(files, hash.first.c_str(), plist_new_data(reinterpret_cast<const char *>(hash.second.sha1_), sizeof(hash.second.sha1_)));
+ else if (rule.mode_ != OmitMode) {
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(entry, "hash", plist_new_data(reinterpret_cast<const char *>(hash.second.sha1_), sizeof(hash.second.sha1_)));
+ if (!old)
+ plist_dict_set_item(entry, "hash2", plist_new_data(reinterpret_cast<const char *>(hash.second.sha256_), sizeof(hash.second.sha256_)));
+ if (rule.mode_ == OptionalMode)
+ plist_dict_set_item(entry, "optional", plist_new_bool(true));
plist_dict_set_item(files, hash.first.c_str(), entry);
}
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);
+ }
+
+ break;
+ }
+
+ if (!old && mac)
+ for (const auto &bundle : bundles) {
+ auto entry(plist_new_dict());
+ plist_dict_set_item(entry, "cdhash", plist_new_data(reinterpret_cast<const char *>(bundle.second.hash.sha256_), sizeof(bundle.second.hash.sha256_)));
+ plist_dict_set_item(entry, "requirement", plist_new_string("anchor apple generic"));
+ plist_dict_set_item(files, bundle.first.c_str(), entry);
+ }
}
for (const auto &version : versions) {
}
}
- folder.Save(signature, fun([&](std::streambuf &save) {
+ folder.Save(signature, true, NULL, fun([&](std::streambuf &save) {
HashProxy proxy(local[signature], save);
char *xml(NULL);
uint32_t size;
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());
+ Bundle bundle;
+ bundle.path = executable;
- folder.Save(executable, fun([&](std::streambuf &save) {
+ 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);
-
- HashProxy proxy(local[executable], save);
- Sign(data.data(), data.size(), proxy, identifier, entitlements, key, slots);
+ bundle.hash = Sign(NULL, 0, buffer, local[executable], save, identifier, entitlements, requirements, key, slots, length, 0, false, Progression(progress, root + executable));
}));
}));
- for (const auto &hash : local)
- remote[root + hash.first] = hash.second;
+ for (const auto &entry : local)
+ remote[root + entry.first] = entry.second;
- return executable;
+ 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 Progress &progress) {
+ std::map<std::string, Hash> local;
+ return Sign(root, folder, key, local, requirements, alter, progress);
}
#endif
bool flag_r(false);
bool flag_e(false);
+ bool flag_q(false);
#ifndef LDID_NOFLAGT
bool flag_T(false);
bool flag_u(false);
+ uint32_t flags(0);
+ bool platform(false);
+
uint32_t flag_CPUType(_not(uint32_t));
uint32_t flag_CPUSubtype(_not(uint32_t));
#endif
Map entitlements;
+ Map requirements;
Map key;
ldid::Slots slots;
case 'e': flag_e = true; break;
case 'E': {
- const char *slot = argv[argi] + 2;
- const char *colon = strchr(slot, ':');
+ const char *string = argv[argi] + 2;
+ const char *colon = strchr(string, ':');
_assert(colon != NULL);
Map file(colon + 1, O_RDONLY, PROT_READ, MAP_PRIVATE);
char *arge;
- unsigned number(strtoul(slot, &arge, 0));
+ unsigned number(strtoul(string, &arge, 0));
_assert(arge == colon);
- std::vector<char> &hash(slots[number]);
- hash.resize(LDID_SHA1_DIGEST_LENGTH);
- sha1(reinterpret_cast<uint8_t *>(hash.data()), file.data(), file.size());
+ auto &slot(slots[number]);
+ for (Algorithm *algorithm : GetAlgorithms())
+ (*algorithm)(slot, file.data(), file.size());
+ } break;
+
+ case 'q': flag_q = 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;
}
break;
+ case 'C': {
+ const char *name = argv[argi] + 2;
+ if (false);
+ else 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 _assert(false);
+ } break;
+
+ case 'P':
+ platform = true;
+ break;
+
case 's':
_assert(!flag_r);
_assert(!flag_S);
#ifndef LDID_NOPLIST
_assert(!flag_r);
ldid::DiskFolder folder(path);
- std::map<std::string, std::vector<char>> hashes;
- path += "/" + Bundle("", folder, key, hashes, entitlements);
+ path += "/" + Sign("", folder, key, requirements, ldid::fun([&](const std::string &, const std::string &) -> std::string { return entitlements; }), dummy_).path;
#else
_assert(false);
#endif
auto temp(Temporary(output, split));
if (flag_r)
- ldid::Unsign(input.data(), input.size(), output);
+ 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, key, slots);
+ ldid::Sign(input.data(), input.size(), output, identifier, entitlements, requirements, key, slots, flags, platform, dummy_);
}
Commit(path, temp);
}
}
+ if (flag_q) {
+ _assert(signature != NULL);
+
+ uint32_t data = mach_header.Swap(signature->dataoff);
+
+ uint8_t *top = reinterpret_cast<uint8_t *>(mach_header.GetBase());
+ 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_REQUIREMENTS) {
+ uint32_t begin = Swap(super->index[index].offset);
+ struct Blob *requirement = reinterpret_cast<struct Blob *>(blob + begin);
+ fwrite(requirement, 1, Swap(requirement->length), stdout);
+ }
+ }
+
if (flag_s) {
_assert(signature != NULL);
for (size_t index(0); index != Swap(super->count); ++index)
if (Swap(super->index[index].type) == CSSLOT_CODEDIRECTORY) {
uint32_t begin = Swap(super->index[index].offset);
- struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin);
+ struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin + sizeof(Blob));
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)
- sha1(hashes[i], top + PageSize_ * i, PageSize_);
+ LDID_SHA1(top + PageSize_ * i, PageSize_, hashes[i]);
if (pages != 0)
- sha1(hashes[pages - 1], top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1);
+ LDID_SHA1(top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1, hashes[pages - 1]);
}
}
}