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path: root/util/ldid.cpp
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Diffstat (limited to 'util/ldid.cpp')
-rw-r--r--util/ldid.cpp1362
1 files changed, 0 insertions, 1362 deletions
diff --git a/util/ldid.cpp b/util/ldid.cpp
deleted file mode 100644
index 7238767c9..000000000
--- a/util/ldid.cpp
+++ /dev/null
@@ -1,1362 +0,0 @@
-/* ldid - (Mach-O) Link-Loader Identity Editor
- * Copyright (C) 2007-2012 Jay Freeman (saurik)
-*/
-
-/* GNU Affero General Public License, Version 3 {{{ */
-/*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
-
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
-**/
-/* }}} */
-
-#include "minimal/stdlib.h"
-#include "minimal/string.h"
-#include "minimal/mapping.h"
-
-extern "C" {
-#include "sha1.h"
-}
-
-#include <cstring>
-#include <string>
-#include <vector>
-
-struct fat_header {
- uint32_t magic;
- uint32_t nfat_arch;
-} _packed;
-
-#define FAT_MAGIC 0xcafebabe
-#define FAT_CIGAM 0xbebafeca
-
-struct fat_arch {
- uint32_t cputype;
- uint32_t cpusubtype;
- uint32_t offset;
- uint32_t size;
- uint32_t align;
-} _packed;
-
-struct mach_header {
- uint32_t magic;
- uint32_t cputype;
- uint32_t cpusubtype;
- uint32_t filetype;
- uint32_t ncmds;
- uint32_t sizeofcmds;
- uint32_t flags;
-} _packed;
-
-#define MH_MAGIC 0xfeedface
-#define MH_CIGAM 0xcefaedfe
-
-#define MH_MAGIC_64 0xfeedfacf
-#define MH_CIGAM_64 0xcffaedfe
-
-#define MH_DYLDLINK 0x4
-
-#define MH_OBJECT 0x1
-#define MH_EXECUTE 0x2
-#define MH_DYLIB 0x6
-#define MH_BUNDLE 0x8
-#define MH_DYLIB_STUB 0x9
-
-struct load_command {
- uint32_t cmd;
- uint32_t cmdsize;
-} _packed;
-
-#define LC_REQ_DYLD uint32_t(0x80000000)
-
-#define LC_SEGMENT uint32_t(0x01)
-#define LC_SYMTAB uint32_t(0x02)
-#define LC_DYSYMTAB uint32_t(0x0b)
-#define LC_LOAD_DYLIB uint32_t(0x0c)
-#define LC_ID_DYLIB uint32_t(0x0d)
-#define LC_SEGMENT_64 uint32_t(0x19)
-#define LC_UUID uint32_t(0x1b)
-#define LC_CODE_SIGNATURE uint32_t(0x1d)
-#define LC_SEGMENT_SPLIT_INFO uint32_t(0x1e)
-#define LC_REEXPORT_DYLIB uint32_t(0x1f | LC_REQ_DYLD)
-#define LC_ENCRYPTION_INFO uint32_t(0x21)
-#define LC_DYLD_INFO uint32_t(0x22)
-#define LC_DYLD_INFO_ONLY uint32_t(0x22 | LC_REQ_DYLD)
-
-struct dylib {
- uint32_t name;
- uint32_t timestamp;
- uint32_t current_version;
- uint32_t compatibility_version;
-} _packed;
-
-struct dylib_command {
- uint32_t cmd;
- uint32_t cmdsize;
- struct dylib dylib;
-} _packed;
-
-struct uuid_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint8_t uuid[16];
-} _packed;
-
-struct symtab_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t symoff;
- uint32_t nsyms;
- uint32_t stroff;
- uint32_t strsize;
-} _packed;
-
-struct dyld_info_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t rebase_off;
- uint32_t rebase_size;
- uint32_t bind_off;
- uint32_t bind_size;
- uint32_t weak_bind_off;
- uint32_t weak_bind_size;
- uint32_t lazy_bind_off;
- uint32_t lazy_bind_size;
- uint32_t export_off;
- uint32_t export_size;
-} _packed;
-
-struct dysymtab_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t ilocalsym;
- uint32_t nlocalsym;
- uint32_t iextdefsym;
- uint32_t nextdefsym;
- uint32_t iundefsym;
- uint32_t nundefsym;
- uint32_t tocoff;
- uint32_t ntoc;
- uint32_t modtaboff;
- uint32_t nmodtab;
- uint32_t extrefsymoff;
- uint32_t nextrefsyms;
- uint32_t indirectsymoff;
- uint32_t nindirectsyms;
- uint32_t extreloff;
- uint32_t nextrel;
- uint32_t locreloff;
- uint32_t nlocrel;
-} _packed;
-
-struct dylib_table_of_contents {
- uint32_t symbol_index;
- uint32_t module_index;
-} _packed;
-
-struct dylib_module {
- uint32_t module_name;
- uint32_t iextdefsym;
- uint32_t nextdefsym;
- uint32_t irefsym;
- uint32_t nrefsym;
- uint32_t ilocalsym;
- uint32_t nlocalsym;
- uint32_t iextrel;
- uint32_t nextrel;
- uint32_t iinit_iterm;
- uint32_t ninit_nterm;
- uint32_t objc_module_info_addr;
- uint32_t objc_module_info_size;
-} _packed;
-
-struct dylib_reference {
- uint32_t isym:24;
- uint32_t flags:8;
-} _packed;
-
-struct relocation_info {
- int32_t r_address;
- uint32_t r_symbolnum:24;
- uint32_t r_pcrel:1;
- uint32_t r_length:2;
- uint32_t r_extern:1;
- uint32_t r_type:4;
-} _packed;
-
-struct nlist {
- union {
- char *n_name;
- int32_t n_strx;
- } n_un;
-
- uint8_t n_type;
- uint8_t n_sect;
- uint8_t n_desc;
- uint32_t n_value;
-} _packed;
-
-struct segment_command {
- uint32_t cmd;
- uint32_t cmdsize;
- char segname[16];
- uint32_t vmaddr;
- uint32_t vmsize;
- uint32_t fileoff;
- uint32_t filesize;
- uint32_t maxprot;
- uint32_t initprot;
- uint32_t nsects;
- uint32_t flags;
-} _packed;
-
-struct segment_command_64 {
- uint32_t cmd;
- uint32_t cmdsize;
- char segname[16];
- uint64_t vmaddr;
- uint64_t vmsize;
- uint64_t fileoff;
- uint64_t filesize;
- uint32_t maxprot;
- uint32_t initprot;
- uint32_t nsects;
- uint32_t flags;
-} _packed;
-
-struct section {
- char sectname[16];
- char segname[16];
- uint32_t addr;
- uint32_t size;
- uint32_t offset;
- uint32_t align;
- uint32_t reloff;
- uint32_t nreloc;
- uint32_t flags;
- uint32_t reserved1;
- uint32_t reserved2;
-} _packed;
-
-struct section_64 {
- char sectname[16];
- char segname[16];
- uint64_t addr;
- uint64_t size;
- uint32_t offset;
- uint32_t align;
- uint32_t reloff;
- uint32_t nreloc;
- uint32_t flags;
- uint32_t reserved1;
- uint32_t reserved2;
-} _packed;
-
-struct linkedit_data_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t dataoff;
- uint32_t datasize;
-} _packed;
-
-struct encryption_info_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t cryptoff;
- uint32_t cryptsize;
- uint32_t cryptid;
-} _packed;
-
-#define BIND_OPCODE_MASK 0xf0
-#define BIND_IMMEDIATE_MASK 0x0f
-#define BIND_OPCODE_DONE 0x00
-#define BIND_OPCODE_SET_DYLIB_ORDINAL_IMM 0x10
-#define BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 0x20
-#define BIND_OPCODE_SET_DYLIB_SPECIAL_IMM 0x30
-#define BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 0x40
-#define BIND_OPCODE_SET_TYPE_IMM 0x50
-#define BIND_OPCODE_SET_ADDEND_SLEB 0x60
-#define BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x70
-#define BIND_OPCODE_ADD_ADDR_ULEB 0x80
-#define BIND_OPCODE_DO_BIND 0x90
-#define BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xa0
-#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0
-#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
-
-template <typename Type_>
-Type_ Align(Type_ value, size_t align) {
- value += align - 1;
- value /= align;
- value *= align;
- return value;
-}
-
-uint16_t Swap_(uint16_t value) {
- return
- ((value >> 8) & 0x00ff) |
- ((value << 8) & 0xff00);
-}
-
-uint32_t Swap_(uint32_t value) {
- value = ((value >> 8) & 0x00ff00ff) |
- ((value << 8) & 0xff00ff00);
- value = ((value >> 16) & 0x0000ffff) |
- ((value << 16) & 0xffff0000);
- return value;
-}
-
-uint64_t Swap_(uint64_t value) {
- value = (value & 0x00000000ffffffffULL) << 32 | (value & 0xffffffff00000000ULL) >> 32;
- value = (value & 0x0000ffff0000ffffULL) << 16 | (value & 0xffff0000ffff0000ULL) >> 16;
- value = (value & 0x00ff00ff00ff00ffULL) << 8 | (value & 0xff00ff00ff00ff00ULL) >> 8;
- return value;
-}
-
-int16_t Swap_(int16_t value) {
- return Swap_(static_cast<uint16_t>(value));
-}
-
-int32_t Swap_(int32_t value) {
- return Swap_(static_cast<uint32_t>(value));
-}
-
-int64_t Swap_(int64_t value) {
- return Swap_(static_cast<uint64_t>(value));
-}
-
-bool little_(true);
-
-uint16_t Swap(uint16_t value) {
- return little_ ? Swap_(value) : value;
-}
-
-uint32_t Swap(uint32_t value) {
- return little_ ? Swap_(value) : value;
-}
-
-uint64_t Swap(uint64_t value) {
- return little_ ? Swap_(value) : value;
-}
-
-int16_t Swap(int16_t value) {
- return Swap(static_cast<uint16_t>(value));
-}
-
-int32_t Swap(int32_t value) {
- return Swap(static_cast<uint32_t>(value));
-}
-
-int64_t Swap(int64_t value) {
- return Swap(static_cast<uint64_t>(value));
-}
-
-template <typename Target_>
-class Pointer;
-
-class Data {
- private:
- void *base_;
- size_t size_;
-
- protected:
- bool swapped_;
-
- public:
- Data(void *base, size_t size) :
- base_(base),
- size_(size),
- swapped_(false)
- {
- }
-
- uint16_t Swap(uint16_t value) const {
- return swapped_ ? Swap_(value) : value;
- }
-
- uint32_t Swap(uint32_t value) const {
- return swapped_ ? Swap_(value) : value;
- }
-
- uint64_t Swap(uint64_t value) const {
- return swapped_ ? Swap_(value) : value;
- }
-
- int16_t Swap(int16_t value) const {
- return Swap(static_cast<uint16_t>(value));
- }
-
- int32_t Swap(int32_t value) const {
- return Swap(static_cast<uint32_t>(value));
- }
-
- int64_t Swap(int64_t value) const {
- return Swap(static_cast<uint64_t>(value));
- }
-
- void *GetBase() const {
- return base_;
- }
-
- size_t GetSize() const {
- return size_;
- }
-};
-
-class MachHeader :
- public Data
-{
- private:
- bool bits64_;
-
- struct mach_header *mach_header_;
- struct load_command *load_command_;
-
- public:
- MachHeader(void *base, size_t size) :
- Data(base, size)
- {
- mach_header_ = (mach_header *) base;
-
- switch (Swap(mach_header_->magic)) {
- case MH_CIGAM:
- swapped_ = !swapped_;
- case MH_MAGIC:
- bits64_ = false;
- break;
-
- case MH_CIGAM_64:
- swapped_ = !swapped_;
- case MH_MAGIC_64:
- bits64_ = true;
- break;
-
- default:
- _assert(false);
- }
-
- void *post = mach_header_ + 1;
- if (bits64_)
- post = (uint32_t *) post + 1;
- load_command_ = (struct load_command *) post;
-
- _assert(
- Swap(mach_header_->filetype) == MH_EXECUTE ||
- Swap(mach_header_->filetype) == MH_DYLIB ||
- Swap(mach_header_->filetype) == MH_BUNDLE
- );
- }
-
- struct mach_header *operator ->() const {
- return mach_header_;
- }
-
- operator struct mach_header *() const {
- return mach_header_;
- }
-
- uint32_t GetCPUType() const {
- return Swap(mach_header_->cputype);
- }
-
- uint32_t GetCPUSubtype() const {
- return Swap(mach_header_->cpusubtype) & 0xff;
- }
-
- struct load_command *GetLoadCommand() const {
- return load_command_;
- }
-
- std::vector<struct load_command *> GetLoadCommands() const {
- std::vector<struct load_command *> load_commands;
-
- struct load_command *load_command = load_command_;
- for (uint32_t cmd = 0; cmd != Swap(mach_header_->ncmds); ++cmd) {
- load_commands.push_back(load_command);
- load_command = (struct load_command *) ((uint8_t *) load_command + Swap(load_command->cmdsize));
- }
-
- 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;
- }
-
- 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 = &sections[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_));
- }
- }
- }
-
- 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_));
- }
-};
-
-class FatMachHeader :
- public MachHeader
-{
- private:
- fat_arch *fat_arch_;
-
- public:
- FatMachHeader(void *base, size_t size, fat_arch *fat_arch) :
- MachHeader(base, size),
- fat_arch_(fat_arch)
- {
- }
-
- fat_arch *GetFatArch() const {
- return fat_arch_;
- }
-};
-
-class FatHeader :
- public Data
-{
- private:
- fat_header *fat_header_;
- std::vector<FatMachHeader> mach_headers_;
-
- public:
- FatHeader(void *base, size_t size) :
- Data(base, size)
- {
- fat_header_ = reinterpret_cast<struct fat_header *>(base);
-
- if (Swap(fat_header_->magic) == FAT_CIGAM) {
- swapped_ = !swapped_;
- goto fat;
- } else if (Swap(fat_header_->magic) != FAT_MAGIC) {
- fat_header_ = NULL;
- mach_headers_.push_back(FatMachHeader(base, size, NULL));
- } else fat: {
- size_t fat_narch = Swap(fat_header_->nfat_arch);
- fat_arch *fat_arch = reinterpret_cast<struct fat_arch *>(fat_header_ + 1);
- size_t arch;
- for (arch = 0; arch != fat_narch; ++arch) {
- uint32_t arch_offset = Swap(fat_arch->offset);
- uint32_t arch_size = Swap(fat_arch->size);
- mach_headers_.push_back(FatMachHeader((uint8_t *) base + arch_offset, arch_size, fat_arch));
- ++fat_arch;
- }
- }
- }
-
- std::vector<FatMachHeader> &GetMachHeaders() {
- return mach_headers_;
- }
-
- bool IsFat() const {
- return fat_header_ != NULL;
- }
-
- struct fat_header *operator ->() const {
- return fat_header_;
- }
-
- operator struct fat_header *() const {
- return fat_header_;
- }
-};
-
-FatHeader Map(const char *path, bool ro = false) {
- size_t size;
- void *base(map(path, 0, _not(size_t), &size, ro));
- return FatHeader(base, size);
-}
-
-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_CODEDIRECTORY uint32_t(0xfade0c02)
-#define CSMAGIC_EMBEDDED_SIGNATURE uint32_t(0xfade0cc0)
-#define CSMAGIC_ENTITLEMENTS uint32_t(0xfade7171)
-
-#define CSSLOT_CODEDIRECTORY uint32_t(0)
-#define CSSLOT_REQUIREMENTS uint32_t(2)
-#define CSSLOT_ENTITLEMENTS uint32_t(5)
-
-struct BlobIndex {
- uint32_t type;
- uint32_t offset;
-} _packed;
-
-struct Blob {
- uint32_t magic;
- uint32_t length;
-} _packed;
-
-struct SuperBlob {
- struct Blob blob;
- uint32_t count;
- struct BlobIndex index[];
-} _packed;
-
-struct CodeDirectory {
- struct Blob blob;
- uint32_t version;
- uint32_t flags;
- uint32_t hashOffset;
- uint32_t identOffset;
- uint32_t nSpecialSlots;
- uint32_t nCodeSlots;
- uint32_t codeLimit;
- uint8_t hashSize;
- uint8_t hashType;
- uint8_t spare1;
- uint8_t pageSize;
- uint32_t spare2;
-} _packed;
-
-extern "C" uint32_t hash(uint8_t *k, uint32_t length, uint32_t initval);
-
-void sha1(uint8_t *hash, uint8_t *data, size_t size) {
- SHA1Context context;
- SHA1Reset(&context);
- SHA1Input(&context, data, size);
- SHA1Result(&context, hash);
-}
-
-struct CodesignAllocation {
- FatMachHeader mach_header_;
- uint32_t offset_;
- uint32_t size_;
- uint32_t alloc_;
- uint32_t align_;
-
- CodesignAllocation(FatMachHeader mach_header, size_t offset, size_t size, size_t alloc, size_t align) :
- mach_header_(mach_header),
- offset_(offset),
- size_(size),
- alloc_(alloc),
- align_(align)
- {
- }
-};
-
-int main(int argc, const char *argv[]) {
- union {
- uint16_t word;
- uint8_t byte[2];
- } endian = {1};
-
- little_ = endian.byte[0];
-
- bool flag_R(false);
- bool flag_r(false);
-
- bool flag_t(false);
- bool flag_p(false);
- bool flag_u(false);
- bool flag_e(false);
-
- bool flag_T(false);
-
- bool flag_S(false);
- bool flag_s(false);
-
- bool flag_O(false);
-
- bool flag_D(false);
- bool flag_d(false);
-
- bool flag_A(false);
- bool flag_a(false);
-
- uint32_t flag_CPUType(_not(uint32_t));
- uint32_t flag_CPUSubtype(_not(uint32_t));
-
- const char *flag_I(NULL);
-
- bool timeh(false);
- uint32_t timev(0);
-
- const void *xmld(NULL);
- size_t xmls(0);
-
- uintptr_t noffset(_not(uintptr_t));
- uintptr_t woffset(_not(uintptr_t));
-
- std::vector<std::string> files;
-
- if (argc == 1) {
- fprintf(stderr, "usage: %s -S[entitlements.xml] <binary>\n", argv[0]);
- fprintf(stderr, " %s -e MobileSafari\n", argv[0]);
- fprintf(stderr, " %s -S cat\n", argv[0]);
- fprintf(stderr, " %s -Stfp.xml gdb\n", argv[0]);
- exit(0);
- }
-
- for (int argi(1); argi != argc; ++argi)
- if (argv[argi][0] != '-')
- files.push_back(argv[argi]);
- else switch (argv[argi][1]) {
- case 'R': flag_R = true; break;
- case 'r': flag_r = true; break;
-
- case 't': flag_t = true; break;
- case 'u': flag_u = true; break;
- case 'p': flag_p = true; break;
- case 'e': flag_e = true; break;
- case 'O': flag_O = true; break;
-
- case 'D': flag_D = true; break;
- case 'd': flag_d = true; break;
-
- case 'a': flag_a = true; break;
-
- case 'A':
- flag_A = true;
- if (argv[argi][2] != '\0') {
- const char *cpu = argv[argi] + 2;
- const char *colon = strchr(cpu, ':');
- _assert(colon != NULL);
- char *arge;
- flag_CPUType = strtoul(cpu, &arge, 0);
- _assert(arge == colon);
- flag_CPUSubtype = strtoul(colon + 1, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
- }
- break;
-
- case 's':
- _assert(!flag_S);
- flag_s = true;
- break;
-
- case 'S':
- _assert(!flag_s);
- flag_S = true;
- if (argv[argi][2] != '\0') {
- const char *xml = argv[argi] + 2;
- xmld = map(xml, 0, _not(size_t), &xmls, true);
- }
- break;
-
- case 'T': {
- flag_T = true;
- if (argv[argi][2] == '-')
- timeh = true;
- else {
- char *arge;
- timev = strtoul(argv[argi] + 2, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
- }
- } break;
-
- case 'I': {
- flag_I = argv[argi] + 2;
- } break;
-
- case 'n': {
- char *arge;
- noffset = strtoul(argv[argi] + 2, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
- } break;
-
- case 'w': {
- char *arge;
- woffset = strtoul(argv[argi] + 2, &arge, 0);
- _assert(arge == argv[argi] + strlen(argv[argi]));
- } break;
-
- default:
- goto usage;
- break;
- }
-
- 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, '/');
- char *temp(NULL), *dir;
-
- if (base != NULL)
- dir = strndup_(path, base++ - path + 1);
- else {
- dir = strdup("");
- base = path;
- }
-
- const char *name(flag_I ?: base);
-
- if (flag_r) {
- uint32_t clip(0); {
- FatHeader fat_header(Map(path));
- _foreach (mach_header, fat_header.GetMachHeaders()) {
- if (flag_A) {
- if (mach_header.GetCPUType() != flag_CPUType)
- continue;
- if (mach_header.GetCPUSubtype() != flag_CPUSubtype)
- continue;
- }
-
- mach_header->flags = mach_header.Swap(mach_header.Swap(mach_header->flags) | MH_DYLDLINK);
-
- uint32_t size(_not(uint32_t)); {
- _foreach (load_command, mach_header.GetLoadCommands()) {
- switch (mach_header.Swap(load_command->cmd)) {
- case LC_CODE_SIGNATURE: {
- struct linkedit_data_command *signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
- memset(reinterpret_cast<uint8_t *>(mach_header.GetBase()) + mach_header.Swap(signature->dataoff), 0, mach_header.Swap(signature->datasize));
- memset(signature, 0, sizeof(struct linkedit_data_command));
-
- mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) - 1);
- mach_header->sizeofcmds = mach_header.Swap(uint32_t(mach_header.Swap(mach_header->sizeofcmds) - sizeof(struct linkedit_data_command)));
- } break;
-
- case LC_SYMTAB: {
- struct symtab_command *symtab = reinterpret_cast<struct symtab_command *>(load_command);
- size = mach_header.Swap(symtab->stroff) + mach_header.Swap(symtab->strsize);
- } break;
- }
- }
- }
-
- _assert(size != _not(uint32_t));
-
- _foreach (segment, mach_header.GetSegments("__LINKEDIT")) {
- segment->filesize -= mach_header.GetSize() - size;
-
- if (fat_arch *fat_arch = mach_header.GetFatArch()) {
- fat_arch->size = fat_header.Swap(size);
- clip = std::max(clip, fat_header.Swap(fat_arch->offset) + size);
- } else
- clip = std::max(clip, size);
- }
-
- _foreach (segment, mach_header.GetSegments64("__LINKEDIT")) {
- segment->filesize -= mach_header.GetSize() - size;
-
- if (fat_arch *fat_arch = mach_header.GetFatArch()) {
- fat_arch->size = fat_header.Swap(size);
- clip = std::max(clip, fat_header.Swap(fat_arch->offset) + size);
- } else
- clip = std::max(clip, size);
- }
- }
- }
-
- if (clip != 0)
- _syscall(truncate(path, clip));
- }
-
- if (flag_S) {
- FatHeader source(Map(path));
-
- size_t offset(0);
-
- if (source.IsFat())
- offset += sizeof(fat_header) + sizeof(fat_arch) * source.Swap(source->nfat_arch);
-
- std::vector<CodesignAllocation> allocations; {
- _foreach (mach_header, source.GetMachHeaders()) {
- if (flag_A) {
- if (mach_header.GetCPUType() != flag_CPUType)
- continue;
- if (mach_header.GetCPUSubtype() != flag_CPUSubtype)
- continue;
- }
-
- mach_header->flags = mach_header.Swap(mach_header.Swap(mach_header->flags) | MH_DYLDLINK);
-
- size_t size(_not(size_t)); {
- _foreach (load_command, mach_header.GetLoadCommands()) {
- uint32_t cmd(mach_header.Swap(load_command->cmd));
- if (cmd == LC_CODE_SIGNATURE) {
- struct linkedit_data_command *signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
- size = mach_header.Swap(signature->dataoff);
- _assert(size < mach_header.GetSize());
- break;
- }
- }
-
- if (size == _not(size_t))
- size = mach_header.GetSize();
- }
-
- size_t alloc(0);
- alloc += sizeof(struct SuperBlob);
- uint32_t special(0);
-
- special = std::max(special, CSSLOT_CODEDIRECTORY);
- alloc += sizeof(struct BlobIndex);
- alloc += sizeof(struct CodeDirectory);
- alloc += strlen(name) + 1;
-
- special = std::max(special, CSSLOT_REQUIREMENTS);
- alloc += sizeof(struct BlobIndex);
- alloc += 0xc;
-
- if (xmld != NULL) {
- special = std::max(special, CSSLOT_ENTITLEMENTS);
- alloc += sizeof(struct BlobIndex);
- alloc += sizeof(struct Blob);
- alloc += xmls;
- }
-
- size_t normal((size + 0x1000 - 1) / 0x1000);
- alloc = Align(alloc + (special + normal) * 0x14, 16);
-
- fat_arch *fat_arch(mach_header.GetFatArch());
- uint32_t align(fat_arch == NULL ? 0 : source.Swap(fat_arch->align));
- offset = Align(offset, 1 << align);
-
- allocations.push_back(CodesignAllocation(mach_header, offset, size, alloc, align));
- offset += size + alloc;
- offset = Align(offset, 16);
- }
- }
-
- asprintf(&temp, "%s.%s.cs", dir, base);
- fclose(fopen(temp, "w+"));
- _syscall(truncate(temp, offset));
-
- void *file(map(temp, 0, offset, NULL, false));
- memset(file, 0, offset);
-
- fat_arch *fat_arch;
- if (!source.IsFat())
- fat_arch = NULL;
- else {
- fat_header *fat_header(reinterpret_cast<struct fat_header *>(file));
- fat_header->magic = Swap(FAT_MAGIC);
- fat_header->nfat_arch = Swap(source.Swap(source->nfat_arch));
- fat_arch = reinterpret_cast<struct fat_arch *>(fat_header + 1);
- }
-
- _foreach (allocation, allocations) {
- const FatMachHeader &source(allocation.mach_header_);
-
- uint32_t align(allocation.size_);
- align = Align(align, 0x10);
-
- if (fat_arch != NULL) {
- fat_arch->cputype = Swap(source->cputype);
- fat_arch->cpusubtype = Swap(source->cpusubtype);
- fat_arch->offset = Swap(allocation.offset_);
- fat_arch->size = Swap(align + allocation.alloc_);
- fat_arch->align = Swap(allocation.align_);
- ++fat_arch;
- }
-
- void *target(reinterpret_cast<uint8_t *>(file) + allocation.offset_);
- memcpy(target, source, allocation.size_);
- MachHeader mach_header(target, align + allocation.alloc_);
-
- struct linkedit_data_command *signature(NULL);
- _foreach (load_command, mach_header.GetLoadCommands()) {
- uint32_t cmd(mach_header.Swap(load_command->cmd));
- if (cmd != LC_CODE_SIGNATURE)
- continue;
- signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
- break;
- }
-
- if (signature == NULL) {
- mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) + 1);
- signature = reinterpret_cast<struct linkedit_data_command *>(reinterpret_cast<uint8_t *>(mach_header.GetLoadCommand()) + mach_header.Swap(mach_header->sizeofcmds));
- mach_header->sizeofcmds = mach_header.Swap(mach_header.Swap(mach_header->sizeofcmds) + uint32_t(sizeof(*signature)));
- signature->cmd = mach_header.Swap(LC_CODE_SIGNATURE);
- signature->cmdsize = mach_header.Swap(uint32_t(sizeof(*signature)));
- }
-
- signature->dataoff = mach_header.Swap(align);
- signature->datasize = mach_header.Swap(allocation.alloc_);
-
- _foreach (segment, mach_header.GetSegments("__LINKEDIT")) {
- size_t size(mach_header.Swap(align + allocation.alloc_ - mach_header.Swap(segment->fileoff)));
- segment->filesize = size;
- segment->vmsize = Align(size, 0x1000);
- }
-
- _foreach (segment, mach_header.GetSegments64("__LINKEDIT")) {
- size_t size(mach_header.Swap(align + allocation.alloc_ - mach_header.Swap(segment->fileoff)));
- segment->filesize = size;
- segment->vmsize = Align(size, 0x1000);
- }
- }
- }
-
- if (flag_p)
- printf("path%zu='%s'\n", filei, file.c_str());
-
- FatHeader fat_header(Map(temp == NULL ? path : temp, !(flag_R || flag_T || flag_s || flag_S || flag_O || flag_D)));
- struct linkedit_data_command *signature(NULL);
-
- _foreach (mach_header, fat_header.GetMachHeaders()) {
- if (flag_A) {
- if (mach_header.GetCPUType() != flag_CPUType)
- continue;
- if (mach_header.GetCPUSubtype() != flag_CPUSubtype)
- continue;
- }
-
- if (flag_a)
- printf("cpu=0x%x:0x%x\n", mach_header.GetCPUType(), mach_header.GetCPUSubtype());
-
- if (flag_d) {
- if (struct fat_arch *fat_arch = mach_header.GetFatArch())
- printf("offset=0x%x\n", Swap(fat_arch->offset));
- else
- printf("offset=0x0\n");
- }
-
- if (woffset != _not(uintptr_t)) {
- Pointer<uint32_t> wvalue(mach_header.GetPointer<uint32_t>(woffset));
- if (wvalue == NULL)
- printf("(null) %p\n", reinterpret_cast<void *>(woffset));
- else
- printf("0x%.08x\n", *wvalue);
- }
-
- if (noffset != _not(uintptr_t))
- printf("%s\n", &*mach_header.GetPointer<char>(noffset));
-
- if (flag_d)
- _foreach(segment, mach_header.GetSegments("__TEXT")) {
- printf("vmaddr=0x%x\n", mach_header.Swap(segment->vmaddr));
- printf("fileoff=0x%x\n", mach_header.Swap(segment->fileoff));
- }
-
- if (flag_O) {
- _foreach(section, mach_header.GetSections("__TEXT", "__text"))
- section->addr = mach_header.Swap(0);
- }
-
- _foreach (load_command, mach_header.GetLoadCommands()) {
- uint32_t cmd(mach_header.Swap(load_command->cmd));
-
- if (flag_R && cmd == LC_REEXPORT_DYLIB)
- load_command->cmd = mach_header.Swap(LC_LOAD_DYLIB);
- else if (cmd == LC_CODE_SIGNATURE)
- signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
- else if (cmd == LC_UUID) {
- volatile struct uuid_command *uuid_command(reinterpret_cast<struct uuid_command *>(load_command));
-
- if (flag_u) {
- printf("uuid%zu=%.2x%.2x%.2x%.2x-%.2x%.2x-%.2x%.2x-%.2x%.2x-%.2x%.2x%.2x%.2x%.2x%.2x\n", filei,
- uuid_command->uuid[ 0], uuid_command->uuid[ 1], uuid_command->uuid[ 2], uuid_command->uuid[ 3],
- uuid_command->uuid[ 4], uuid_command->uuid[ 5], uuid_command->uuid[ 6], uuid_command->uuid[ 7],
- uuid_command->uuid[ 8], uuid_command->uuid[ 9], uuid_command->uuid[10], uuid_command->uuid[11],
- uuid_command->uuid[12], uuid_command->uuid[13], uuid_command->uuid[14], uuid_command->uuid[15]
- );
- }
- } else if (cmd == LC_ID_DYLIB) {
- volatile struct dylib_command *dylib_command(reinterpret_cast<struct dylib_command *>(load_command));
-
- if (flag_t)
- printf("time%zu=0x%.8x\n", filei, mach_header.Swap(dylib_command->dylib.timestamp));
-
- if (flag_T) {
- uint32_t timed;
-
- if (!timeh)
- timed = timev;
- else {
- dylib_command->dylib.timestamp = 0;
- timed = hash(reinterpret_cast<uint8_t *>(mach_header.GetBase()), mach_header.GetSize(), timev);
- }
-
- dylib_command->dylib.timestamp = mach_header.Swap(timed);
- }
- } else if (cmd == LC_ENCRYPTION_INFO) {
- volatile struct encryption_info_command *encryption_info_command(reinterpret_cast<struct encryption_info_command *>(load_command));
-
- if (flag_D)
- encryption_info_command->cryptid = mach_header.Swap(0);
-
- if (flag_d) {
- printf("cryptoff=0x%x\n", mach_header.Swap(encryption_info_command->cryptoff));
- printf("cryptsize=0x%x\n", mach_header.Swap(encryption_info_command->cryptsize));
- printf("cryptid=0x%x\n", mach_header.Swap(encryption_info_command->cryptid));
- }
- }
- }
-
- if (flag_e) {
- _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_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);
- }
- }
-
- if (flag_s) {
- _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_CODEDIRECTORY) {
- uint32_t begin = Swap(super->index[index].offset);
- struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin);
-
- uint8_t (*hashes)[20] = reinterpret_cast<uint8_t (*)[20]>(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 + 0x1000 * i, 0x1000);
- if (pages != 0)
- sha1(hashes[pages - 1], top + 0x1000 * (pages - 1), ((data - 1) % 0x1000) + 1);
- }
- }
-
- if (flag_S) {
- _assert(signature != NULL);
-
- uint32_t data = mach_header.Swap(signature->dataoff);
- uint32_t size = mach_header.Swap(signature->datasize);
-
- uint8_t *top = reinterpret_cast<uint8_t *>(mach_header.GetBase());
- uint8_t *blob = top + data;
- struct SuperBlob *super = reinterpret_cast<struct SuperBlob *>(blob);
- super->blob.magic = Swap(CSMAGIC_EMBEDDED_SIGNATURE);
-
- uint32_t count = xmld == NULL ? 2 : 3;
- uint32_t offset = sizeof(struct SuperBlob) + count * sizeof(struct BlobIndex);
-
- super->index[0].type = Swap(CSSLOT_CODEDIRECTORY);
- super->index[0].offset = Swap(offset);
-
- uint32_t begin = offset;
- struct CodeDirectory *directory = reinterpret_cast<struct CodeDirectory *>(blob + begin);
- offset += sizeof(struct CodeDirectory);
-
- directory->blob.magic = Swap(CSMAGIC_CODEDIRECTORY);
- directory->version = Swap(uint32_t(0x00020001));
- directory->flags = Swap(uint32_t(0));
- directory->codeLimit = Swap(data);
- directory->hashSize = 0x14;
- directory->hashType = 0x01;
- directory->spare1 = 0x00;
- directory->pageSize = 0x0c;
- directory->spare2 = Swap(uint32_t(0));
-
- directory->identOffset = Swap(offset - begin);
- strcpy(reinterpret_cast<char *>(blob + offset), name);
- offset += strlen(name) + 1;
-
- uint32_t special = xmld == NULL ? CSSLOT_REQUIREMENTS : CSSLOT_ENTITLEMENTS;
- directory->nSpecialSlots = Swap(special);
-
- uint8_t (*hashes)[20] = reinterpret_cast<uint8_t (*)[20]>(blob + offset);
- memset(hashes, 0, sizeof(*hashes) * special);
-
- offset += sizeof(*hashes) * special;
- hashes += special;
-
- uint32_t pages = (data + 0x1000 - 1) / 0x1000;
- directory->nCodeSlots = Swap(pages);
-
- if (pages != 1)
- for (size_t i = 0; i != pages - 1; ++i)
- sha1(hashes[i], top + 0x1000 * i, 0x1000);
- if (pages != 0)
- sha1(hashes[pages - 1], top + 0x1000 * (pages - 1), ((data - 1) % 0x1000) + 1);
-
- directory->hashOffset = Swap(offset - begin);
- offset += sizeof(*hashes) * pages;
- directory->blob.length = Swap(offset - begin);
-
- super->index[1].type = Swap(CSSLOT_REQUIREMENTS);
- super->index[1].offset = Swap(offset);
-
- memcpy(blob + offset, "\xfa\xde\x0c\x01\x00\x00\x00\x0c\x00\x00\x00\x00", 0xc);
- offset += 0xc;
-
- if (xmld != NULL) {
- super->index[2].type = Swap(CSSLOT_ENTITLEMENTS);
- super->index[2].offset = Swap(offset);
-
- uint32_t begin = offset;
- struct Blob *entitlements = reinterpret_cast<struct Blob *>(blob + begin);
- offset += sizeof(struct Blob);
-
- memcpy(blob + offset, xmld, xmls);
- offset += xmls;
-
- entitlements->magic = Swap(CSMAGIC_ENTITLEMENTS);
- entitlements->length = Swap(offset - begin);
- }
-
- for (size_t index(0); index != count; ++index) {
- uint32_t type = Swap(super->index[index].type);
- if (type != 0 && type <= special) {
- uint32_t offset = Swap(super->index[index].offset);
- struct Blob *local = (struct Blob *) (blob + offset);
- sha1((uint8_t *) (hashes - type), (uint8_t *) local, Swap(local->length));
- }
- }
-
- super->count = Swap(count);
- super->blob.length = Swap(offset);
-
- if (offset > size) {
- fprintf(stderr, "offset (%u) > size (%u)\n", offset, size);
- _assert(false);
- } //else fprintf(stderr, "offset (%zu) <= size (%zu)\n", offset, size);
-
- memset(blob + offset, 0, size - offset);
- }
- }
-
- if (flag_S) {
- uint8_t *top = reinterpret_cast<uint8_t *>(fat_header.GetBase());
- size_t size = fat_header.GetSize();
-
- char *copy;
- asprintf(&copy, "%s.%s.cp", dir, base);
- FILE *file = fopen(copy, "w+");
- size_t writ = fwrite(top, 1, size, file);
- _assert(writ == size);
- fclose(file);
-
- _syscall(unlink(temp));
- free(temp);
- temp = copy;
- }
-
- if (temp != NULL) {
- struct stat info;
- _syscall(stat(path, &info));
- _syscall(chown(temp, info.st_uid, info.st_gid));
- _syscall(chmod(temp, info.st_mode));
- _syscall(unlink(path));
- _syscall(rename(temp, path));
- free(temp);
- }
-
- free(dir);
- ++filei;
- } catch (const char *) {
- ++filee;
- ++filei;
- }
-
- return filee;
-}