size_t size() const {
return size_;
}
+
+ operator std::string() const {
+ return std::string(static_cast<char *>(data_), size_);
+ }
};
+void resign(const char *path, const char *temp, const char *name, const std::string &xml) {
+ Map input(path, O_RDONLY, PROT_READ | PROT_WRITE, MAP_PRIVATE);
+ FatHeader source(input.data(), input.size());
+
+ 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()) {
+ struct linkedit_data_command *signature(NULL);
+ struct symtab_command *symtab(NULL);
+
+ _foreach (load_command, mach_header.GetLoadCommands()) {
+ uint32_t cmd(mach_header.Swap(load_command->cmd));
+ if (false);
+ else if (cmd == LC_CODE_SIGNATURE)
+ signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
+ else if (cmd == LC_SYMTAB)
+ symtab = reinterpret_cast<struct symtab_command *>(load_command);
+ }
+
+ size_t size;
+ if (signature == NULL)
+ size = mach_header.GetSize();
+ else {
+ size = mach_header.Swap(signature->dataoff);
+ _assert(size <= mach_header.GetSize());
+ }
+
+ if (symtab != NULL) {
+ auto end(mach_header.Swap(symtab->stroff) + mach_header.Swap(symtab->strsize));
+ _assert(end <= size);
+ _assert(end >= size - 0x10);
+ size = end;
+ }
+
+ size_t alloc(0);
+ if (name != NULL) {
+ 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 (xml.size() != 0) {
+ special = std::max(special, CSSLOT_ENTITLEMENTS);
+ alloc += sizeof(struct BlobIndex);
+ alloc += sizeof(struct Blob);
+ alloc += xml.size();
+ }
+
+ size_t normal((size + 0x1000 - 1) / 0x1000);
+ alloc = Align(alloc + (special + normal) * 0x14, 16);
+ }
+
+ auto *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);
+ }
+
+ fclose(fopen(temp, "w+"));
+ _syscall(truncate(temp, offset));
+
+ Map output(temp, O_RDWR, PROT_READ | PROT_WRITE, MAP_SHARED);
+ _assert(output.size() == offset);
+ void *file(output.data());
+ memset(file, 0, offset);
+
+ fat_arch *fat_arch;
+ if (!source.IsFat())
+ fat_arch = NULL;
+ else {
+ auto *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) {
+ auto &source(allocation.mach_header_);
+
+ uint32_t align(allocation.size_);
+ if (allocation.alloc_ != 0)
+ 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;
+ }
+
+ _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 (name == NULL && signature != NULL) {
+ auto before(reinterpret_cast<uint8_t *>(mach_header.GetLoadCommand()));
+ auto after(reinterpret_cast<uint8_t *>(signature));
+ auto next(mach_header.Swap(signature->cmdsize));
+ auto total(mach_header.Swap(mach_header->sizeofcmds));
+ memmove(signature, after + next, before + total - after - next);
+ memset(before + total - next, 0, next);
+ mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) - 1);
+ mach_header->sizeofcmds = mach_header.Swap(total - next);
+ signature = NULL;
+ }
+
+ if (name != NULL) {
+ if (signature == NULL) {
+ signature = reinterpret_cast<struct linkedit_data_command *>(reinterpret_cast<uint8_t *>(mach_header.GetLoadCommand()) + mach_header.Swap(mach_header->sizeofcmds));
+ signature->cmd = mach_header.Swap(LC_CODE_SIGNATURE);
+ signature->cmdsize = mach_header.Swap(uint32_t(sizeof(*signature)));
+ mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) + 1);
+ mach_header->sizeofcmds = mach_header.Swap(mach_header.Swap(mach_header->sizeofcmds) + uint32_t(sizeof(*signature)));
+ }
+
+ signature->dataoff = mach_header.Swap(align);
+ signature->datasize = mach_header.Swap(allocation.alloc_);
+
+ 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 = xml.size() == 0 ? 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 = xml.size() == 0 ? 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 (xml.size() != 0) {
+ 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, xml.data(), xml.size());
+ offset += xml.size();
+
+ 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);
+ }
+ }
+}
+
int main(int argc, const char *argv[]) {
union {
uint16_t word;
uint32_t timev(0);
Map xmlm;
- const void *xmld(NULL);
- size_t xmls(0);
std::vector<std::string> files;
if (argv[argi][2] != '\0') {
const char *xml = argv[argi] + 2;
xmlm.open(xml, O_RDONLY, PROT_READ, MAP_PRIVATE);
- xmld = xmlm.data();
- xmls = xmlm.size();
}
break;
break;
}
+ _assert(!flag_S || !flag_r);
+
if (files.empty()) usage: {
exit(0);
}
char *temp(NULL);
if (flag_S || flag_r) {
- Map input(path, O_RDONLY, PROT_READ | PROT_WRITE, MAP_PRIVATE);
- FatHeader source(input.data(), input.size());
-
- 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()) {
- struct linkedit_data_command *signature(NULL);
- struct symtab_command *symtab(NULL);
-
- _foreach (load_command, mach_header.GetLoadCommands()) {
- uint32_t cmd(mach_header.Swap(load_command->cmd));
- if (false);
- else if (cmd == LC_CODE_SIGNATURE)
- signature = reinterpret_cast<struct linkedit_data_command *>(load_command);
- else if (cmd == LC_SYMTAB)
- symtab = reinterpret_cast<struct symtab_command *>(load_command);
- }
-
- size_t size;
- if (signature == NULL)
- size = mach_header.GetSize();
- else {
- size = mach_header.Swap(signature->dataoff);
- _assert(size <= mach_header.GetSize());
- }
-
- if (symtab != NULL) {
- auto end(mach_header.Swap(symtab->stroff) + mach_header.Swap(symtab->strsize));
- _assert(end <= size);
- _assert(end >= size - 0x10);
- size = end;
- }
-
- size_t alloc(0);
- if (!flag_r) {
- 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);
- }
-
- auto *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.c_str(), base);
- fclose(fopen(temp, "w+"));
- _syscall(truncate(temp, offset));
-
- Map output(temp, O_RDWR, PROT_READ | PROT_WRITE, MAP_SHARED);
- _assert(output.size() == offset);
- void *file(output.data());
- memset(file, 0, offset);
-
- fat_arch *fat_arch;
- if (!source.IsFat())
- fat_arch = NULL;
- else {
- auto *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) {
- auto &source(allocation.mach_header_);
-
- uint32_t align(allocation.size_);
- if (allocation.alloc_ != 0)
- 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 (flag_r && signature != NULL) {
- auto before(reinterpret_cast<uint8_t *>(mach_header.GetLoadCommand()));
- auto after(reinterpret_cast<uint8_t *>(signature));
- auto next(mach_header.Swap(signature->cmdsize));
- auto total(mach_header.Swap(mach_header->sizeofcmds));
- memmove(signature, after + next, before + total - after - next);
- memset(before + total - next, 0, next);
- mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) - 1);
- mach_header->sizeofcmds = mach_header.Swap(total - next);
- signature = NULL;
- }
-
- if (flag_S) {
- if (signature == NULL) {
- signature = reinterpret_cast<struct linkedit_data_command *>(reinterpret_cast<uint8_t *>(mach_header.GetLoadCommand()) + mach_header.Swap(mach_header->sizeofcmds));
- signature->cmd = mach_header.Swap(LC_CODE_SIGNATURE);
- signature->cmdsize = mach_header.Swap(uint32_t(sizeof(*signature)));
- mach_header->ncmds = mach_header.Swap(mach_header.Swap(mach_header->ncmds) + 1);
- mach_header->sizeofcmds = mach_header.Swap(mach_header.Swap(mach_header->sizeofcmds) + 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);
- }
- }
+ resign(path, temp, flag_S ? name : NULL, xmlm);
}
- Map mapping(temp ?: path, flag_T || flag_s || flag_S);
+ Map mapping(temp ?: path, flag_T || flag_s);
FatHeader fat_header(mapping.data(), mapping.size());
_foreach (mach_header, fat_header.GetMachHeaders()) {
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 (temp != NULL) {
projects / ldid.git / commitdiff
