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authorbunnei <bunneidev@gmail.com>2015-10-20 16:17:31 +0200
committerbunnei <bunneidev@gmail.com>2015-10-20 16:17:31 +0200
commitc717d1551da213c9ad2a80dcf198ebe5a1345627 (patch)
treef89e6c7f0b19a370a69710c0e3327fb337f643cc
parentMerge pull request #1194 from linkmauve/no-newline (diff)
parentLoader: Change NCCH header types to be explicitly little-endian (diff)
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-rw-r--r--src/core/loader/loader.h1
-rw-r--r--src/core/loader/ncch.cpp8
-rw-r--r--src/core/loader/ncch.h36
3 files changed, 25 insertions, 20 deletions
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 8de95dacf..a7f2715ba 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -71,6 +71,7 @@ enum class ResultStatus {
ErrorNotUsed,
ErrorAlreadyLoaded,
ErrorMemoryAllocationFailed,
+ ErrorEncrypted,
};
static inline u32 MakeMagic(char a, char b, char c, char d) {
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index 094d74100..68b3f546e 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -128,9 +128,8 @@ ResultStatus AppLoader_NCCH::LoadExec() {
if (ResultStatus::Success == ReadCode(code)) {
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)exheader_header.codeset_info.name, 8);
- u64 program_id = *reinterpret_cast<u64_le const*>(&ncch_header.program_id[0]);
- SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, program_id);
+ SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, ncch_header.program_id);
codeset->code.offset = 0;
codeset->code.addr = exheader_header.codeset_info.text.address;
@@ -266,6 +265,11 @@ ResultStatus AppLoader_NCCH::Load() {
LOG_DEBUG(Loader, "Thread priority: 0x%X" , priority);
LOG_DEBUG(Loader, "Resource limit category: %d" , resource_limit_category);
+ if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) {
+ LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
+ return ResultStatus::ErrorEncrypted;
+ }
+
// Read ExeFS...
exefs_offset = ncch_header.exefs_offset * kBlockSize;
diff --git a/src/core/loader/ncch.h b/src/core/loader/ncch.h
index d875e4cf3..ca6772a78 100644
--- a/src/core/loader/ncch.h
+++ b/src/core/loader/ncch.h
@@ -17,31 +17,31 @@
struct NCCH_Header {
u8 signature[0x100];
- u32 magic;
- u32 content_size;
+ u32_le magic;
+ u32_le content_size;
u8 partition_id[8];
- u16 maker_code;
- u16 version;
+ u16_le maker_code;
+ u16_le version;
u8 reserved_0[4];
- u8 program_id[8];
+ u64_le program_id;
u8 reserved_1[0x10];
u8 logo_region_hash[0x20];
u8 product_code[0x10];
u8 extended_header_hash[0x20];
- u32 extended_header_size;
+ u32_le extended_header_size;
u8 reserved_2[4];
u8 flags[8];
- u32 plain_region_offset;
- u32 plain_region_size;
- u32 logo_region_offset;
- u32 logo_region_size;
- u32 exefs_offset;
- u32 exefs_size;
- u32 exefs_hash_region_size;
+ u32_le plain_region_offset;
+ u32_le plain_region_size;
+ u32_le logo_region_offset;
+ u32_le logo_region_size;
+ u32_le exefs_offset;
+ u32_le exefs_size;
+ u32_le exefs_hash_region_size;
u8 reserved_3[4];
- u32 romfs_offset;
- u32 romfs_size;
- u32 romfs_hash_region_size;
+ u32_le romfs_offset;
+ u32_le romfs_size;
+ u32_le romfs_hash_region_size;
u8 reserved_4[4];
u8 exefs_super_block_hash[0x20];
u8 romfs_super_block_hash[0x20];
@@ -109,8 +109,8 @@ struct ExHeader_StorageInfo {
};
struct ExHeader_ARM11_SystemLocalCaps {
- u8 program_id[8];
- u32 core_version;
+ u64_le program_id;
+ u32_le core_version;
u8 reserved_flags[2];
union {
u8 flags0;