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| author |   Jay Freeman (saurik) <saurik@saurik.com> | 2015-08-21 05:53:29 -0700 |
|---|---|---|
| committer | Jay Freeman (saurik) <saurik@saurik.com> | 2015-08-21 05:56:41 -0700 |
| commit | 7b496abd3d9cbe500279e025860ed8a345d665b4 (patch) | |
| tree | 169208b06b78b8df6f398cb021f58aedde6afc0f | |
| parent | 15babeef559bba763d48d47f65dff17b0c56a7e7 (diff) | |
| download | ldid-7b496abd3d9cbe500279e025860ed8a345d665b4.tar.gz ldid-7b496abd3d9cbe500279e025860ed8a345d665b4.tar.zst ldid-7b496abd3d9cbe500279e025860ed8a345d665b4.zip | |
Separate lookup of LC_ENCRYPTION_INFO from usages.
| -rw-r--r-- | ldid.cpp | 26 |
1 files changed, 16 insertions, 10 deletions
@@ -1097,6 +1097,8 @@ int main(int argc, const char *argv[]) { struct linkedit_data_command *signature(NULL); _foreach (mach_header, fat_header.GetMachHeaders()) { + struct encryption_info_command *encryption(NULL); + if (flag_A) { if (mach_header.GetCPUType() != flag_CPUType) continue; @@ -1143,6 +1145,8 @@ int main(int argc, const char *argv[]) { 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_ENCRYPTION_INFO) + encryption = reinterpret_cast<struct encryption_info_command *>(load_command); else if (cmd == LC_UUID) { volatile struct uuid_command *uuid_command(reinterpret_cast<struct uuid_command *>(load_command)); @@ -1172,18 +1176,20 @@ int main(int argc, const char *argv[]) { 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) { + _assert(encryption != NULL); - if (flag_D) - encryption_info_command->cryptid = mach_header.Swap(0); + printf("cryptoff=0x%x\n", mach_header.Swap(encryption->cryptoff)); + printf("cryptsize=0x%x\n", mach_header.Swap(encryption->cryptsize)); + printf("cryptid=0x%x\n", mach_header.Swap(encryption->cryptid)); + } - 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_D) { + _assert(encryption != NULL); + encryption->cryptid = mach_header.Swap(0); } if (flag_e) { |