loader: update for 10.0.0

This commit is contained in:
Michael Scire 2020-04-14 02:45:28 -07:00
parent dd80e1f463
commit 73552c86c3
22 changed files with 486 additions and 56 deletions

View file

@ -19,9 +19,17 @@
namespace ams::fs {
Result MountCode(const char *name, const char *path, ncm::ProgramId program_id);
struct CodeInfo {
u8 signature[crypto::Rsa2048PssSha256Verifier::SignatureSize];
u8 hash[crypto::Rsa2048PssSha256Verifier::HashSize];
bool is_signed;
u8 reserved[3];
};
static_assert(sizeof(CodeInfo) == crypto::Rsa2048PssSha256Verifier::SignatureSize + crypto::Rsa2048PssSha256Verifier::HashSize + 4);
Result MountCodeForAtmosphereWithRedirection(const char *name, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific);
Result MountCodeForAtmosphere(const char *name, const char *path, ncm::ProgramId program_id);
Result MountCode(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id);
Result MountCodeForAtmosphereWithRedirection(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific);
Result MountCodeForAtmosphere(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id);
}

View file

@ -17,6 +17,7 @@
#pragma once
#include <stratosphere/fssystem/fssystem_utility.hpp>
#include <stratosphere/fssystem/fssystem_external_code.hpp>
#include <stratosphere/fssystem/fssystem_acid_sign_key.hpp>
#include <stratosphere/fssystem/fssystem_partition_file_system.hpp>
#include <stratosphere/fssystem/fssystem_partition_file_system_meta.hpp>
#include <stratosphere/fssystem/fssystem_path_tool.hpp>

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@ -0,0 +1,111 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
namespace ams::fssystem {
constexpr inline size_t AcidSignatureKeyGenerationMax = 1;
constexpr inline size_t AcidSignatureKeyModulusSize = 0x100;
constexpr inline const u8 AcidSignatureKeyModulusDev[AcidSignatureKeyGenerationMax + 1][AcidSignatureKeyModulusSize] = {
{
0xD6, 0x34, 0xA5, 0x78, 0x6C, 0x68, 0xCE, 0x5A, 0xC2, 0x37, 0x17, 0xF3, 0x82, 0x45, 0xC6, 0x89,
0xE1, 0x2D, 0x06, 0x67, 0xBF, 0xB4, 0x06, 0x19, 0x55, 0x6B, 0x27, 0x66, 0x0C, 0xA4, 0xB5, 0x87,
0x81, 0x25, 0xF4, 0x30, 0xBC, 0x53, 0x08, 0x68, 0xA2, 0x48, 0x49, 0x8C, 0x3F, 0x38, 0x40, 0x9C,
0xC4, 0x26, 0xF4, 0x79, 0xE2, 0xA1, 0x85, 0xF5, 0x5C, 0x7F, 0x58, 0xBA, 0xA6, 0x1C, 0xA0, 0x8B,
0x84, 0x16, 0x14, 0x6F, 0x85, 0xD9, 0x7C, 0xE1, 0x3C, 0x67, 0x22, 0x1E, 0xFB, 0xD8, 0xA7, 0xA5,
0x9A, 0xBF, 0xEC, 0x0E, 0xCF, 0x96, 0x7E, 0x85, 0xC2, 0x1D, 0x49, 0x5D, 0x54, 0x26, 0xCB, 0x32,
0x7C, 0xF6, 0xBB, 0x58, 0x03, 0x80, 0x2B, 0x5D, 0xF7, 0xFB, 0xD1, 0x9D, 0xC7, 0xC6, 0x2E, 0x53,
0xC0, 0x6F, 0x39, 0x2C, 0x1F, 0xA9, 0x92, 0xF2, 0x4D, 0x7D, 0x4E, 0x74, 0xFF, 0xE4, 0xEF, 0xE4,
0x7C, 0x3D, 0x34, 0x2A, 0x71, 0xA4, 0x97, 0x59, 0xFF, 0x4F, 0xA2, 0xF4, 0x66, 0x78, 0xD8, 0xBA,
0x99, 0xE3, 0xE6, 0xDB, 0x54, 0xB9, 0xE9, 0x54, 0xA1, 0x70, 0xFC, 0x05, 0x1F, 0x11, 0x67, 0x4B,
0x26, 0x8C, 0x0C, 0x3E, 0x03, 0xD2, 0xA3, 0x55, 0x5C, 0x7D, 0xC0, 0x5D, 0x9D, 0xFF, 0x13, 0x2F,
0xFD, 0x19, 0xBF, 0xED, 0x44, 0xC3, 0x8C, 0xA7, 0x28, 0xCB, 0xE5, 0xE0, 0xB1, 0xA7, 0x9C, 0x33,
0x8D, 0xB8, 0x6E, 0xDE, 0x87, 0x18, 0x22, 0x60, 0xC4, 0xAE, 0xF2, 0x87, 0x9F, 0xCE, 0x09, 0x5C,
0xB5, 0x99, 0xA5, 0x9F, 0x49, 0xF2, 0xD7, 0x58, 0xFA, 0xF9, 0xC0, 0x25, 0x7D, 0xD6, 0xCB, 0xF3,
0xD8, 0x6C, 0xA2, 0x69, 0x91, 0x68, 0x73, 0xB1, 0x94, 0x6F, 0xA3, 0xF3, 0xB9, 0x7D, 0xF8, 0xE0,
0x72, 0x9E, 0x93, 0x7B, 0x7A, 0xA2, 0x57, 0x60, 0xB7, 0x5B, 0xA9, 0x84, 0xAE, 0x64, 0x88, 0x69
},
{
0xBC, 0xA5, 0x6A, 0x7E, 0xEA, 0x38, 0x34, 0x62, 0xA6, 0x10, 0x18, 0x3C, 0xE1, 0x63, 0x7B, 0xF0,
0xD3, 0x08, 0x8C, 0xF5, 0xC5, 0xC4, 0xC7, 0x93, 0xE9, 0xD9, 0xE6, 0x32, 0xF3, 0xA0, 0xF6, 0x6E,
0x8A, 0x98, 0x76, 0x47, 0x33, 0x47, 0x65, 0x02, 0x70, 0xDC, 0x86, 0x5F, 0x3D, 0x61, 0x5A, 0x70,
0xBC, 0x5A, 0xCA, 0xCA, 0x50, 0xAD, 0x61, 0x7E, 0xC9, 0xEC, 0x27, 0xFF, 0xE8, 0x64, 0x42, 0x9A,
0xEE, 0xBE, 0xC3, 0xD1, 0x0B, 0xC0, 0xE9, 0xBF, 0x83, 0x8D, 0xC0, 0x0C, 0xD8, 0x00, 0x5B, 0x76,
0x90, 0xD2, 0x4B, 0x30, 0x84, 0x35, 0x8B, 0x1E, 0x20, 0xB7, 0xE4, 0xDC, 0x63, 0xE5, 0xDF, 0xCD,
0x00, 0x5F, 0x81, 0x5F, 0x67, 0xC5, 0x8B, 0xDF, 0xFC, 0xE1, 0x37, 0x5F, 0x07, 0xD9, 0xDE, 0x4F,
0xE6, 0x7B, 0xF1, 0xFB, 0xA1, 0x5A, 0x71, 0x40, 0xFE, 0xBA, 0x1E, 0xAE, 0x13, 0x22, 0xD2, 0xFE,
0x37, 0xA2, 0xB6, 0x8B, 0xAB, 0xEB, 0x84, 0x81, 0x4E, 0x7C, 0x1E, 0x02, 0xD1, 0xFB, 0xD7, 0x5D,
0x11, 0x84, 0x64, 0xD2, 0x4D, 0xBB, 0x50, 0x00, 0x67, 0x54, 0xE2, 0x77, 0x89, 0xBA, 0x0B, 0xE7,
0x05, 0x57, 0x9A, 0x22, 0x5A, 0xEC, 0x76, 0x1C, 0xFD, 0xE8, 0xA8, 0x18, 0x16, 0x41, 0x65, 0x03,
0xFA, 0xC4, 0xA6, 0x31, 0x5C, 0x1A, 0x7F, 0xAB, 0x11, 0xC8, 0x4A, 0x99, 0xB9, 0xE6, 0xCF, 0x62,
0x21, 0xA6, 0x72, 0x47, 0xDB, 0xBA, 0x96, 0x26, 0x4E, 0x2E, 0xD4, 0x8C, 0x46, 0xD6, 0xA7, 0x1A,
0x6C, 0x32, 0xA7, 0xDF, 0x85, 0x1C, 0x03, 0xC3, 0x6D, 0xA9, 0xE9, 0x68, 0xF4, 0x17, 0x1E, 0xB2,
0x70, 0x2A, 0xA1, 0xE5, 0xE1, 0xF3, 0x8F, 0x6F, 0x63, 0xAC, 0xEB, 0x72, 0x0B, 0x4C, 0x4A, 0x36,
0x3C, 0x60, 0x91, 0x9F, 0x6E, 0x1C, 0x71, 0xEA, 0xD0, 0x78, 0x78, 0xA0, 0x2E, 0xC6, 0x32, 0x6B
}
};
constexpr inline const u8 AcidSignatureKeyModulusProd[AcidSignatureKeyGenerationMax + 1][AcidSignatureKeyModulusSize] = {
{
0xDD, 0xC8, 0xDD, 0xF2, 0x4E, 0x6D, 0xF0, 0xCA, 0x9E, 0xC7, 0x5D, 0xC7, 0x7B, 0xAD, 0xFE, 0x7D,
0x23, 0x89, 0x69, 0xB6, 0xF2, 0x06, 0xA2, 0x02, 0x88, 0xE1, 0x55, 0x91, 0xAB, 0xCB, 0x4D, 0x50,
0x2E, 0xFC, 0x9D, 0x94, 0x76, 0xD6, 0x4C, 0xD8, 0xFF, 0x10, 0xFA, 0x5E, 0x93, 0x0A, 0xB4, 0x57,
0xAC, 0x51, 0xC7, 0x16, 0x66, 0xF4, 0x1A, 0x54, 0xC2, 0xC5, 0x04, 0x3D, 0x1B, 0xFE, 0x30, 0x20,
0x8A, 0xAC, 0x6F, 0x6F, 0xF5, 0xC7, 0xB6, 0x68, 0xB8, 0xC9, 0x40, 0x6B, 0x42, 0xAD, 0x11, 0x21,
0xE7, 0x8B, 0xE9, 0x75, 0x01, 0x86, 0xE4, 0x48, 0x9B, 0x0A, 0x0A, 0xF8, 0x7F, 0xE8, 0x87, 0xF2,
0x82, 0x01, 0xE6, 0xA3, 0x0F, 0xE4, 0x66, 0xAE, 0x83, 0x3F, 0x4E, 0x9F, 0x5E, 0x01, 0x30, 0xA4,
0x00, 0xB9, 0x9A, 0xAE, 0x5F, 0x03, 0xCC, 0x18, 0x60, 0xE5, 0xEF, 0x3B, 0x5E, 0x15, 0x16, 0xFE,
0x1C, 0x82, 0x78, 0xB5, 0x2F, 0x47, 0x7C, 0x06, 0x66, 0x88, 0x5D, 0x35, 0xA2, 0x67, 0x20, 0x10,
0xE7, 0x6C, 0x43, 0x68, 0xD3, 0xE4, 0x5A, 0x68, 0x2A, 0x5A, 0xE2, 0x6D, 0x73, 0xB0, 0x31, 0x53,
0x1C, 0x20, 0x09, 0x44, 0xF5, 0x1A, 0x9D, 0x22, 0xBE, 0x12, 0xA1, 0x77, 0x11, 0xE2, 0xA1, 0xCD,
0x40, 0x9A, 0xA2, 0x8B, 0x60, 0x9B, 0xEF, 0xA0, 0xD3, 0x48, 0x63, 0xA2, 0xF8, 0xA3, 0x2C, 0x08,
0x56, 0x52, 0x2E, 0x60, 0x19, 0x67, 0x5A, 0xA7, 0x9F, 0xDC, 0x3F, 0x3F, 0x69, 0x2B, 0x31, 0x6A,
0xB7, 0x88, 0x4A, 0x14, 0x84, 0x80, 0x33, 0x3C, 0x9D, 0x44, 0xB7, 0x3F, 0x4C, 0xE1, 0x75, 0xEA,
0x37, 0xEA, 0xE8, 0x1E, 0x7C, 0x77, 0xB7, 0xC6, 0x1A, 0xA2, 0xF0, 0x9F, 0x10, 0x61, 0xCD, 0x7B,
0x5B, 0x32, 0x4C, 0x37, 0xEF, 0xB1, 0x71, 0x68, 0x53, 0x0A, 0xED, 0x51, 0x7D, 0x35, 0x22, 0xFD
},
{
0xE7, 0xAA, 0x25, 0xC8, 0x01, 0xA5, 0x14, 0x6B, 0x01, 0x60, 0x3E, 0xD9, 0x96, 0x5A, 0xBF, 0x90,
0xAC, 0xA7, 0xFD, 0x9B, 0x5B, 0xBD, 0x8A, 0x26, 0xB0, 0xCB, 0x20, 0x28, 0x9A, 0x72, 0x12, 0xF5,
0x20, 0x65, 0xB3, 0xB9, 0x84, 0x58, 0x1F, 0x27, 0xBC, 0x7C, 0xA2, 0xC9, 0x9E, 0x18, 0x95, 0xCF,
0xC2, 0x73, 0x2E, 0x74, 0x8C, 0x66, 0xE5, 0x9E, 0x79, 0x2B, 0xB8, 0x07, 0x0C, 0xB0, 0x4E, 0x8E,
0xAB, 0x85, 0x21, 0x42, 0xC4, 0xC5, 0x6D, 0x88, 0x9C, 0xDB, 0x15, 0x95, 0x3F, 0x80, 0xDB, 0x7A,
0x9A, 0x7D, 0x41, 0x56, 0x25, 0x17, 0x18, 0x42, 0x4D, 0x8C, 0xAC, 0xA5, 0x7B, 0xDB, 0x42, 0x5D,
0x59, 0x35, 0x45, 0x5D, 0x8A, 0x02, 0xB5, 0x70, 0xC0, 0x72, 0x35, 0x46, 0xD0, 0x1D, 0x60, 0x01,
0x4A, 0xCC, 0x1C, 0x46, 0xD3, 0xD6, 0x35, 0x52, 0xD6, 0xE1, 0xF8, 0x3B, 0x5D, 0xEA, 0xDD, 0xB8,
0xFE, 0x7D, 0x50, 0xCB, 0x35, 0x23, 0x67, 0x8B, 0xB6, 0xE4, 0x74, 0xD2, 0x60, 0xFC, 0xFD, 0x43,
0xBF, 0x91, 0x08, 0x81, 0xC5, 0x4F, 0x5D, 0x16, 0x9A, 0xC4, 0x9A, 0xC6, 0xF6, 0xF3, 0xE1, 0xF6,
0x5C, 0x07, 0xAA, 0x71, 0x6C, 0x13, 0xA4, 0xB1, 0xB3, 0x66, 0xBF, 0x90, 0x4C, 0x3D, 0xA2, 0xC4,
0x0B, 0xB8, 0x3D, 0x7A, 0x8C, 0x19, 0xFA, 0xFF, 0x6B, 0xB9, 0x1F, 0x02, 0xCC, 0xB6, 0xD3, 0x0C,
0x7D, 0x19, 0x1F, 0x47, 0xF9, 0xC7, 0x40, 0x01, 0xFA, 0x46, 0xEA, 0x0B, 0xD4, 0x02, 0xE0, 0x3D,
0x30, 0x9A, 0x1A, 0x0F, 0xEA, 0xA7, 0x66, 0x55, 0xF7, 0xCB, 0x28, 0xE2, 0xBB, 0x99, 0xE4, 0x83,
0xC3, 0x43, 0x03, 0xEE, 0xDC, 0x1F, 0x02, 0x23, 0xDD, 0xD1, 0x2D, 0x39, 0xA4, 0x65, 0x75, 0x03,
0xEF, 0x37, 0x9C, 0x06, 0xD6, 0xFA, 0xA1, 0x15, 0xF0, 0xDB, 0x17, 0x47, 0x26, 0x4F, 0x49, 0x03
}
};
static_assert(sizeof(AcidSignatureKeyModulusProd) == sizeof(AcidSignatureKeyModulusDev));
constexpr inline const u8 AcidSignatureKeyExponent[] = {
0x01, 0x00, 0x01
};
constexpr inline size_t AcidSignatureKeyExponentSize = util::size(AcidSignatureKeyExponent);
}

View file

@ -24,6 +24,7 @@ namespace ams::ldr::pm {
Result GetProgramInfo(ProgramInfo *out, const ncm::ProgramLocation &loc);
Result PinProgram(PinId *out, const ncm::ProgramLocation &loc);
Result UnpinProgram(PinId pin_id);
Result SetEnabledProgramVerification(bool enabled);
Result HasLaunchedProgram(bool *out, ncm::ProgramId program_id);
/* Atmosphere extension API. */

View file

@ -221,7 +221,8 @@ namespace ams::ldr {
};
u32 magic;
u8 reserved_04[8];
u32 signature_key_generation;
u8 reserved_08[4];
u8 flags;
u8 reserved_0D;
u8 main_thread_priority;

View file

@ -20,14 +20,15 @@ namespace ams::fs {
namespace {
Result OpenCodeFileSystemImpl(std::unique_ptr<fsa::IFileSystem> *out, const char *path, ncm::ProgramId program_id) {
Result OpenCodeFileSystemImpl(CodeInfo *out_code_info, std::unique_ptr<fsa::IFileSystem> *out, const char *path, ncm::ProgramId program_id) {
/* Print a path suitable for the remote service. */
fssrv::sf::Path sf_path;
R_TRY(FspPathPrintf(std::addressof(sf_path), "%s", path));
/* Open the filesystem using libnx bindings. */
static_assert(sizeof(CodeInfo) == sizeof(::FsCodeInfo));
::FsFileSystem fs;
R_TRY(fsldrOpenCodeFileSystem(program_id.value, sf_path.str, std::addressof(fs)));
R_TRY(fsldrOpenCodeFileSystem(reinterpret_cast<::FsCodeInfo *>(out_code_info), program_id.value, sf_path.str, std::addressof(fs)));
/* Allocate a new filesystem wrapper. */
auto fsa = std::make_unique<RemoteFileSystem>(fs);
@ -61,12 +62,12 @@ namespace ams::fs {
return OpenPackageFileSystemImpl(out, sf_path.str);
}
Result OpenSdCardCodeOrCodeFileSystemImpl(std::unique_ptr<fsa::IFileSystem> *out, const char *path, ncm::ProgramId program_id) {
Result OpenSdCardCodeOrCodeFileSystemImpl(CodeInfo *out_code_info, std::unique_ptr<fsa::IFileSystem> *out, const char *path, ncm::ProgramId program_id) {
/* If we can open an sd card code fs, use it. */
R_SUCCEED_IF(R_SUCCEEDED(OpenSdCardCodeFileSystemImpl(out, program_id)));
/* Otherwise, fall back to a normal code fs. */
return OpenCodeFileSystemImpl(out, path, program_id);
return OpenCodeFileSystemImpl(out_code_info, out, path, program_id);
}
Result OpenHblCodeFileSystemImpl(std::unique_ptr<fsa::IFileSystem> *out) {
@ -226,7 +227,7 @@ namespace ams::fs {
public:
AtmosphereCodeFileSystem() : initialized(false) { /* ... */ }
Result Initialize(const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific) {
Result Initialize(CodeInfo *out_code_info, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific) {
AMS_ABORT_UNLESS(!this->initialized);
/* If we're hbl, we need to open a hbl fs. */
@ -238,7 +239,7 @@ namespace ams::fs {
/* Open the code filesystem. */
std::unique_ptr<fsa::IFileSystem> fsa;
R_TRY(OpenSdCardCodeOrCodeFileSystemImpl(std::addressof(fsa), path, program_id));
R_TRY(OpenSdCardCodeOrCodeFileSystemImpl(out_code_info, std::addressof(fsa), path, program_id));
this->code_fs.emplace(std::move(fsa), program_id, is_specific);
this->program_id = program_id;
@ -274,7 +275,10 @@ namespace ams::fs {
}
Result MountCode(const char *name, const char *path, ncm::ProgramId program_id) {
Result MountCode(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id) {
/* Clear the output. */
std::memset(out, 0, sizeof(*out));
/* Validate the mount name. */
R_TRY(impl::CheckMountName(name));
@ -283,13 +287,16 @@ namespace ams::fs {
/* Open the code file system. */
std::unique_ptr<fsa::IFileSystem> fsa;
R_TRY(OpenCodeFileSystemImpl(std::addressof(fsa), path, program_id));
R_TRY(OpenCodeFileSystemImpl(out, std::addressof(fsa), path, program_id));
/* Register. */
return fsa::Register(name, std::move(fsa));
}
Result MountCodeForAtmosphereWithRedirection(const char *name, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific) {
Result MountCodeForAtmosphereWithRedirection(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific) {
/* Clear the output. */
std::memset(out, 0, sizeof(*out));
/* Validate the mount name. */
R_TRY(impl::CheckMountName(name));
@ -301,13 +308,16 @@ namespace ams::fs {
R_UNLESS(ams_code_fs != nullptr, fs::ResultAllocationFailureInCodeA());
/* Initialize the code file system. */
R_TRY(ams_code_fs->Initialize(path, program_id, is_hbl, is_specific));
R_TRY(ams_code_fs->Initialize(out, path, program_id, is_hbl, is_specific));
/* Register. */
return fsa::Register(name, std::move(ams_code_fs));
}
Result MountCodeForAtmosphere(const char *name, const char *path, ncm::ProgramId program_id) {
Result MountCodeForAtmosphere(CodeInfo *out, const char *name, const char *path, ncm::ProgramId program_id) {
/* Clear the output. */
std::memset(out, 0, sizeof(*out));
/* Validate the mount name. */
R_TRY(impl::CheckMountName(name));
@ -316,7 +326,7 @@ namespace ams::fs {
/* Open the code file system. */
std::unique_ptr<fsa::IFileSystem> fsa;
R_TRY(OpenSdCardCodeOrCodeFileSystemImpl(std::addressof(fsa), path, program_id));
R_TRY(OpenSdCardCodeOrCodeFileSystemImpl(out, std::addressof(fsa), path, program_id));
/* Create a wrapper fs. */
auto wrap_fsa = std::make_unique<SdCardRedirectionCodeFileSystem>(std::move(fsa), program_id, false);

View file

@ -45,6 +45,10 @@ namespace ams::ldr::pm {
return ldrPmAtmosphereGetProgramInfo(reinterpret_cast<LoaderProgramInfo *>(out), reinterpret_cast<CfgOverrideStatus *>(out_status), reinterpret_cast<const NcmProgramLocation *>(&loc));
}
Result SetEnabledProgramVerification(bool enabled) {
return ldrPmSetEnabledProgramVerification(enabled);
}
Result AtmospherePinProgram(PinId *out, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status) {
static_assert(sizeof(*out) == sizeof(u64), "PinId definition!");
static_assert(sizeof(status) == sizeof(CfgOverrideStatus), "CfgOverrideStatus definition!");

View file

@ -42,6 +42,14 @@ namespace ams::crypto {
return Rsa2048PssSha256Verifier::Verify(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size, work_buf, work_buf_size);
}
inline bool VerifyRsa2048PssSha256WithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size) {
return Rsa2048PssSha256Verifier::VerifyWithHash(sig, sig_size, mod, mod_size, exp, exp_size, hash, hash_size);
}
inline bool VerifyRsa2048PssSha256WithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size, void *work_buf, size_t work_buf_size) {
return Rsa2048PssSha256Verifier::VerifyWithHash(sig, sig_size, mod, mod_size, exp, exp_size, hash, hash_size, work_buf, work_buf_size);
}
inline bool VerifyRsa4096PssSha256(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *msg, size_t msg_size) {
return Rsa4096PssSha256Verifier::Verify(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size);
}
@ -50,4 +58,12 @@ namespace ams::crypto {
return Rsa4096PssSha256Verifier::Verify(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size, work_buf, work_buf_size);
}
inline bool VerifyRsa4096PssSha256WithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size) {
return Rsa4096PssSha256Verifier::VerifyWithHash(sig, sig_size, mod, mod_size, exp, exp_size, hash, hash_size);
}
inline bool VerifyRsa4096PssSha256WithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size, void *work_buf, size_t work_buf_size) {
return Rsa4096PssSha256Verifier::VerifyWithHash(sig, sig_size, mod, mod_size, exp, exp_size, hash, hash_size, work_buf, work_buf_size);
}
}

View file

@ -23,13 +23,14 @@
namespace ams::crypto {
template<size_t ModulusSize, typename Hash> /* requires HashFunction<Hash> */
template<size_t _ModulusSize, typename Hash> /* requires HashFunction<Hash> */
class RsaPssVerifier {
NON_COPYABLE(RsaPssVerifier);
NON_MOVEABLE(RsaPssVerifier);
public:
static constexpr size_t HashSize = Hash::HashSize;
static constexpr size_t SaltSize = Hash::HashSize;
static constexpr size_t ModulusSize = _ModulusSize;
static constexpr size_t SignatureSize = ModulusSize;
static constexpr size_t MaximumExponentSize = 3;
static constexpr size_t RequiredWorkBufferSize = RsaCalculator<ModulusSize, MaximumExponentSize>::RequiredWorkBufferSize;
@ -70,8 +71,15 @@ namespace ams::crypto {
u8 message[SignatureSize];
ON_SCOPE_EXIT { ClearMemory(message, sizeof(message)); };
return this->calculator.ExpMod(message, signature, SignatureSize) &&
impl.Verify(message, sizeof(message), std::addressof(this->hash));
if (!this->calculator.ExpMod(message, signature, SignatureSize)) {
return false;
}
u8 calc_hash[Hash::HashSize];
this->hash.GetHash(calc_hash, sizeof(calc_hash));
ON_SCOPE_EXIT { ClearMemory(calc_hash, sizeof(calc_hash)); };
return impl.Verify(message, sizeof(message), calc_hash, sizeof(calc_hash));
}
bool Verify(const void *signature, size_t size, void *work_buf, size_t work_buf_size) {
@ -83,8 +91,47 @@ namespace ams::crypto {
u8 message[SignatureSize];
ON_SCOPE_EXIT { ClearMemory(message, sizeof(message)); };
return this->calculator.ExpMod(message, signature, SignatureSize, work_buf, work_buf_size) &&
impl.Verify(message, sizeof(message), std::addressof(this->hash));
if (!this->calculator.ExpMod(message, signature, SignatureSize, work_buf, work_buf_size)) {
return false;
}
u8 calc_hash[Hash::HashSize];
this->hash.GetHash(calc_hash, sizeof(calc_hash));
ON_SCOPE_EXIT { ClearMemory(calc_hash, sizeof(calc_hash)); };
return impl.Verify(message, sizeof(message), calc_hash, sizeof(calc_hash));
}
bool VerifyWithHash(const void *signature, size_t size, const void *hash, size_t hash_size) {
AMS_ASSERT(this->state == State::Initialized);
AMS_ASSERT(size == SignatureSize);
ON_SCOPE_EXIT { this->state = State::Done; };
impl::RsaPssImpl<Hash> impl;
u8 message[SignatureSize];
ON_SCOPE_EXIT { ClearMemory(message, sizeof(message)); };
if (!this->calculator.ExpMod(message, signature, SignatureSize)) {
return false;
}
return impl.Verify(message, sizeof(message), static_cast<const u8 *>(hash), hash_size);
}
bool VerifyWithHash(const void *signature, size_t size, const void *hash, size_t hash_size, void *work_buf, size_t work_buf_size) {
AMS_ASSERT(this->state == State::Initialized);
AMS_ASSERT(size == SignatureSize);
ON_SCOPE_EXIT { this->state = State::Done; };
impl::RsaPssImpl<Hash> impl;
u8 message[SignatureSize];
ON_SCOPE_EXIT { ClearMemory(message, sizeof(message)); };
if (!this->calculator.ExpMod(message, signature, SignatureSize, work_buf, work_buf_size)) {
return false;
}
return impl.Verify(message, sizeof(message), static_cast<const u8 *>(hash), hash_size);
}
static bool Verify(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *msg, size_t msg_size) {
@ -104,6 +151,22 @@ namespace ams::crypto {
verifier.Update(msg, msg_size);
return verifier.Verify(sig, sig_size, work_buf, work_buf_size);
}
static bool VerifyWithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size) {
RsaPssVerifier<ModulusSize, Hash> verifier;
if (!verifier.Initialize(mod, mod_size, exp, exp_size)) {
return false;
}
return verifier.VerifyWithHash(sig, sig_size, hash, hash_size);
}
static bool VerifyWithHash(const void *sig, size_t sig_size, const void *mod, size_t mod_size, const void *exp, size_t exp_size, const void *hash, size_t hash_size, void *work_buf, size_t work_buf_size) {
RsaPssVerifier<ModulusSize, Hash> verifier;
if (!verifier.Initialize(mod, mod_size, exp, exp_size)) {
return false;
}
return verifier.VerifyWithHash(sig, sig_size, hash, hash_size, work_buf, work_buf_size);
}
};
}

View file

@ -31,19 +31,22 @@ namespace ams::crypto::impl {
private:
static constexpr u8 TailMagic = 0xBC;
private:
static void ComputeHashWithPadding(void *dst, Hash *hash, const void *salt, size_t salt_size) {
static void ComputeHashWithPadding(void *dst, const u8 *user_hash, size_t user_hash_size, const void *salt, size_t salt_size) {
AMS_ASSERT(user_hash_size == HashSize);
/* Initialize our buffer. */
u8 buf[8 + HashSize];
std::memset(buf, 0, 8);
hash->GetHash(buf + 8, HashSize);
std::memcpy(buf + 8, user_hash, HashSize);
ON_SCOPE_EXIT { ClearMemory(buf, sizeof(buf)); };
/* Calculate our hash. */
hash->Initialize();
hash->Update(buf, sizeof(buf));
hash->Update(salt, salt_size);
hash->GetHash(dst, HashSize);
Hash hash;
hash.Initialize();
hash.Update(buf, sizeof(buf));
hash.Update(salt, salt_size);
hash.GetHash(dst, HashSize);
}
static void ApplyMGF1(u8 *dst, size_t dst_size, const void *src, size_t src_size) {
@ -71,7 +74,7 @@ namespace ams::crypto::impl {
public:
RsaPssImpl() { /* ... */ }
bool Verify(u8 *buf, size_t size, Hash *hash) {
bool Verify(u8 *buf, size_t size, const u8 *hash, size_t hash_size) {
/* Validate sanity byte. */
bool is_valid = buf[size - 1] == TailMagic;
@ -112,7 +115,7 @@ namespace ams::crypto::impl {
u8 cmp_hash[HashSize];
ON_SCOPE_EXIT { ClearMemory(cmp_hash, sizeof(cmp_hash)); };
ComputeHashWithPadding(cmp_hash, hash, salt, salt_size);
ComputeHashWithPadding(cmp_hash, hash, hash_size, salt, salt_size);
is_valid &= IsSameBytes(cmp_hash, h, HashSize);
/* Succeed if all our checks succeeded. */

View file

@ -31,6 +31,8 @@ namespace ams::ldr {
R_DEFINE_ERROR_RESULT(NotPinned, 8);
R_DEFINE_ERROR_RESULT(InvalidProgramId, 9);
R_DEFINE_ERROR_RESULT(InvalidVersion, 10);
R_DEFINE_ERROR_RESULT(InvalidAcidSignature, 11);
R_DEFINE_ERROR_RESULT(InvalidNcaSignature, 12);
R_DEFINE_ERROR_RESULT(InsufficientAddressSpace, 51);
R_DEFINE_ERROR_RESULT(InvalidNro, 52);

View file

@ -24,11 +24,11 @@ namespace ams::ldr {
}
/* ScopedCodeMount functionality. */
ScopedCodeMount::ScopedCodeMount(const ncm::ProgramLocation &loc) : lk(g_scoped_code_mount_lock), has_status(false), mounted_ams(false), mounted_code(false) {
ScopedCodeMount::ScopedCodeMount(const ncm::ProgramLocation &loc) : lk(g_scoped_code_mount_lock), has_status(false), mounted_ams(false), mounted_sd_or_code(false), mounted_code(false) {
this->result = this->Initialize(loc);
}
ScopedCodeMount::ScopedCodeMount(const ncm::ProgramLocation &loc, const cfg::OverrideStatus &o) : lk(g_scoped_code_mount_lock), override_status(o), has_status(true), mounted_ams(false), mounted_code(false) {
ScopedCodeMount::ScopedCodeMount(const ncm::ProgramLocation &loc, const cfg::OverrideStatus &o) : lk(g_scoped_code_mount_lock), override_status(o), has_status(true), mounted_ams(false), mounted_sd_or_code(false), mounted_code(false) {
this->result = this->Initialize(loc);
}
@ -37,6 +37,9 @@ namespace ams::ldr {
if (this->mounted_ams) {
fs::Unmount(AtmosphereCodeMountName);
}
if (this->mounted_sd_or_code) {
fs::Unmount(SdOrCodeMountName);
}
if (this->mounted_code) {
fs::Unmount(CodeMountName);
}
@ -54,12 +57,17 @@ namespace ams::ldr {
}
/* Mount the atmosphere code file system. */
R_TRY(fs::MountCodeForAtmosphereWithRedirection(AtmosphereCodeMountName, content_path, loc.program_id, this->override_status.IsHbl(), this->override_status.IsProgramSpecific()));
R_TRY(fs::MountCodeForAtmosphereWithRedirection(std::addressof(this->ams_code_info), AtmosphereCodeMountName, content_path, loc.program_id, this->override_status.IsHbl(), this->override_status.IsProgramSpecific()));
this->mounted_ams = true;
/* Mount the sd or base code file system. */
R_TRY(fs::MountCodeForAtmosphere(std::addressof(this->sd_or_base_code_info), SdOrCodeMountName, content_path, loc.program_id));
this->mounted_sd_or_code = true;
/* Mount the base code file system. */
R_TRY(fs::MountCodeForAtmosphere(CodeMountName, content_path, loc.program_id));
this->mounted_code = true;
if (R_SUCCEEDED(fs::MountCode(std::addressof(this->base_code_info), CodeMountName, content_path, loc.program_id))) {
this->mounted_code = true;
}
return ResultSuccess();
}

View file

@ -25,9 +25,13 @@ namespace ams::ldr {
private:
std::scoped_lock<os::Mutex> lk;
cfg::OverrideStatus override_status;
fs::CodeInfo ams_code_info;
fs::CodeInfo sd_or_base_code_info;
fs::CodeInfo base_code_info;
Result result;
bool has_status;
bool mounted_ams;
bool mounted_sd_or_code;
bool mounted_code;
public:
ScopedCodeMount(const ncm::ProgramLocation &loc);
@ -42,15 +46,29 @@ namespace ams::ldr {
AMS_ABORT_UNLESS(this->has_status);
return this->override_status;
}
const fs::CodeInfo &GetAtmosphereCodeInfo() const {
return this->ams_code_info;
}
const fs::CodeInfo &GetSdOrBaseCodeInfo() const {
return this->sd_or_base_code_info;
}
const fs::CodeInfo &GetCodeInfo() const {
return this->base_code_info;
}
private:
Result Initialize(const ncm::ProgramLocation &loc);
void EnsureOverrideStatus(const ncm::ProgramLocation &loc);
};
constexpr inline const char * const AtmosphereCodeMountName = "ams-code";
constexpr inline const char * const SdOrCodeMountName = "sd-code";
constexpr inline const char * const CodeMountName = "code";
#define ENCODE_ATMOSPHERE_CODE_PATH(relative) "ams-code:" relative
#define ENCODE_SD_OR_CODE_PATH(relative) "sd-code:" relative
#define ENCODE_CODE_PATH(relative) "code:" relative
/* Redirection API. */

View file

@ -0,0 +1,63 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ldr_launch_record.hpp"
namespace ams::ldr {
namespace {
bool g_development_for_acid_production_check = false;
bool g_development_for_anti_downgrade_check = false;
bool g_development_for_acid_signature_check = false;
bool g_enabled_program_verification = true;
}
void SetDevelopmentForAcidProductionCheck(bool development) {
g_development_for_acid_production_check = development;
}
void SetDevelopmentForAntiDowngradeCheck(bool development) {
g_development_for_anti_downgrade_check = development;
}
void SetDevelopmentForAcidSignatureCheck(bool development) {
g_development_for_acid_signature_check = development;
}
void SetEnabledProgramVerification(bool enabled) {
if (g_development_for_acid_signature_check) {
g_enabled_program_verification = enabled;
}
}
bool IsDevelopmentForAcidProductionCheck() {
return g_development_for_acid_production_check;
}
bool IsDevelopmentForAntiDowngradeCheck() {
return g_development_for_anti_downgrade_check;
}
bool IsDevelopmentForAcidSignatureCheck() {
return g_development_for_acid_signature_check;
}
bool IsEnabledProgramVerification() {
return g_enabled_program_verification;
}
}

View file

@ -0,0 +1,32 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::ldr {
/* Development Manager API. */
void SetDevelopmentForAcidProductionCheck(bool development);
void SetDevelopmentForAntiDowngradeCheck(bool development);
void SetDevelopmentForAcidSignatureCheck(bool development);
void SetEnabledProgramVerification(bool enabled);
bool IsDevelopmentForAcidProductionCheck();
bool IsDevelopmentForAntiDowngradeCheck();
bool IsDevelopmentForAcidSignatureCheck();
bool IsEnabledProgramVerification();
}

View file

@ -15,6 +15,7 @@
*/
#include "ldr_arguments.hpp"
#include "ldr_content_management.hpp"
#include "ldr_development_manager.hpp"
#include "ldr_process_creation.hpp"
#include "ldr_launch_record.hpp"
#include "ldr_loader_service.hpp"
@ -95,6 +96,10 @@ namespace ams::ldr {
return ldr::ro::GetProcessModuleInfo(count.GetPointer(), out.GetPointer(), out.GetSize(), process_id);
}
Result LoaderService::SetEnabledProgramVerification(bool enabled) {
ldr::SetEnabledProgramVerification(enabled);
}
/* Atmosphere commands. */
Result LoaderService::AtmosphereRegisterExternalCode(sf::OutMoveHandle out, ncm::ProgramId program_id) {
return fssystem::CreateExternalCode(out.GetHandlePointer(), program_id);

View file

@ -28,6 +28,7 @@ namespace ams::ldr {
virtual Result SetProgramArguments(ncm::ProgramId program_id, const sf::InPointerBuffer &args, u32 args_size);
virtual Result FlushArguments();
virtual Result GetProcessModuleInfo(sf::Out<u32> count, const sf::OutPointerArray<ModuleInfo> &out, os::ProcessId process_id);
virtual Result SetEnabledProgramVerification(bool enabled);
/* Atmosphere commands. */
virtual Result AtmosphereRegisterExternalCode(sf::OutMoveHandle out, ncm::ProgramId program_id);
@ -42,10 +43,11 @@ namespace ams::ldr {
class ProcessManagerInterface final : public LoaderService {
protected:
enum class CommandId {
CreateProcess = 0,
GetProgramInfo = 1,
PinProgram = 2,
UnpinProgram = 3,
CreateProcess = 0,
GetProgramInfo = 1,
PinProgram = 2,
UnpinProgram = 3,
SetEnabledProgramVerification = 4,
AtmosphereHasLaunchedProgram = 65000,
AtmosphereGetProgramInfo = 65001,
@ -57,6 +59,7 @@ namespace ams::ldr {
MAKE_SERVICE_COMMAND_META(GetProgramInfo),
MAKE_SERVICE_COMMAND_META(PinProgram),
MAKE_SERVICE_COMMAND_META(UnpinProgram),
MAKE_SERVICE_COMMAND_META(SetEnabledProgramVerification, hos::Version_10_0_0),
MAKE_SERVICE_COMMAND_META(AtmosphereHasLaunchedProgram),
MAKE_SERVICE_COMMAND_META(AtmosphereGetProgramInfo),

View file

@ -14,6 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ldr_development_manager.hpp"
#include "ldr_loader_service.hpp"
extern "C" {
@ -74,6 +75,7 @@ void __appInit(void) {
R_ABORT_UNLESS(fsInitialize());
lr::Initialize();
R_ABORT_UNLESS(fsldrInitialize());
R_ABORT_UNLESS(splInitialize());
});
ams::CheckApiVersion();
@ -81,6 +83,7 @@ void __appInit(void) {
void __appExit(void) {
/* Cleanup services. */
splExit();
fsldrExit();
lr::Finalize();
fsExit();
@ -112,6 +115,12 @@ namespace {
int main(int argc, char **argv)
{
/* Configure development. */
/* NOTE: Nintendo really does call the getter function three times instead of caching the value. */
ldr::SetDevelopmentForAcidProductionCheck(spl::IsDevelopmentHardware());
ldr::SetDevelopmentForAntiDowngradeCheck(spl::IsDevelopmentHardware());
ldr::SetDevelopmentForAcidSignatureCheck(spl::IsDevelopmentHardware());
/* Add services to manager. */
R_ABORT_UNLESS((g_server_manager.RegisterServer<ldr::pm::ProcessManagerInterface>(ProcessManagerServiceName, ProcessManagerMaxSessions)));
R_ABORT_UNLESS((g_server_manager.RegisterServer<ldr::shell::ShellInterface>(ShellServiceName, ShellMaxSessions)));

View file

@ -15,6 +15,7 @@
*/
#include "ldr_capabilities.hpp"
#include "ldr_content_management.hpp"
#include "ldr_development_manager.hpp"
#include "ldr_meta.hpp"
namespace ams::ldr {
@ -24,6 +25,7 @@ namespace ams::ldr {
/* Convenience definitions. */
constexpr size_t MetaCacheBufferSize = 0x8000;
constexpr inline const char AtmosphereMetaPath[] = ENCODE_ATMOSPHERE_CODE_PATH("/main.npdm");
constexpr inline const char SdOrBaseMetaPath[] = ENCODE_SD_OR_CODE_PATH("/main.npdm");
constexpr inline const char BaseMetaPath[] = ENCODE_CODE_PATH("/main.npdm");
/* Types. */
@ -72,7 +74,10 @@ namespace ams::ldr {
/* Validate magic. */
R_UNLESS(acid->magic == Acid::Magic, ResultInvalidMeta());
/* TODO: Check if retail flag is set if not development hardware. */
/* Validate that the acid is for production if not development. */
if (!IsDevelopmentForAcidProductionCheck()) {
R_UNLESS((acid->flags & Acid::AcidFlag_Production) != 0, ResultInvalidMeta());
}
/* Validate Fac, Sac, Kac. */
R_TRY(ValidateSubregion(sizeof(Acid), size, acid->fac_offset, acid->fac_size));
@ -94,6 +99,39 @@ namespace ams::ldr {
return ResultSuccess();
}
const u8 *GetAcidSignatureModulus(u32 key_generation) {
AMS_ASSERT(key_generation <= fssystem::AcidSignatureKeyGenerationMax);
const u32 used_keygen = (key_generation % (fssystem::AcidSignatureKeyGenerationMax + 1));
if (IsDevelopmentForAcidSignatureCheck()) {
return fssystem::AcidSignatureKeyModulusDev[used_keygen];
} else {
return fssystem::AcidSignatureKeyModulusProd[used_keygen];
}
}
Result ValidateAcidSignature(Meta *meta) {
/* Loader did not check signatures prior to 10.0.0. */
if (hos::GetVersion() < hos::Version_10_0_0) {
meta->is_signed = false;
return ResultSuccess();
}
/* Verify the signature. */
const u8 *sig = meta->acid->signature;
const size_t sig_size = sizeof(meta->acid->signature);
const u8 *mod = GetAcidSignatureModulus(meta->npdm->signature_key_generation);
const size_t mod_size = fssystem::AcidSignatureKeyModulusSize;
const u8 *exp = fssystem::AcidSignatureKeyExponent;
const size_t exp_size = fssystem::AcidSignatureKeyExponentSize;
const u8 *msg = meta->acid->modulus;
const size_t msg_size = meta->acid->size;
const bool is_signature_valid = crypto::VerifyRsa2048PssSha256(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size);
R_UNLESS(is_signature_valid || !IsEnabledProgramVerification(), ResultInvalidAcidSignature());
meta->is_signed = is_signature_valid;
return ResultSuccess();
}
Result LoadMetaFromFile(fs::FileHandle file, MetaCache *cache) {
/* Reset cache. */
cache->meta = {};
@ -136,6 +174,8 @@ namespace ams::ldr {
meta->aci_fah = reinterpret_cast<u8 *>(aci) + aci->fah_offset;
meta->aci_sac = reinterpret_cast<u8 *>(aci) + aci->sac_offset;
meta->aci_kac = reinterpret_cast<u8 *>(aci) + aci->kac_offset;
meta->modulus = acid->modulus;
}
return ResultSuccess();
@ -144,7 +184,7 @@ namespace ams::ldr {
}
/* API. */
Result LoadMeta(Meta *out_meta, ncm::ProgramId program_id, const cfg::OverrideStatus &status) {
Result LoadMeta(Meta *out_meta, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status) {
/* Try to load meta from file. */
fs::FileHandle file;
R_TRY(fs::OpenFile(std::addressof(file), AtmosphereMetaPath, fs::OpenMode_Read));
@ -155,13 +195,13 @@ namespace ams::ldr {
/* Patch meta. Start by setting all program ids to the current program id. */
Meta *meta = &g_meta_cache.meta;
meta->acid->program_id_min = program_id;
meta->acid->program_id_max = program_id;
meta->aci->program_id = program_id;
meta->acid->program_id_min = loc.program_id;
meta->acid->program_id_max = loc.program_id;
meta->aci->program_id = loc.program_id;
/* For HBL, we need to copy some information from the base meta. */
if (status.IsHbl()) {
if (R_SUCCEEDED(fs::OpenFile(std::addressof(file), BaseMetaPath, fs::OpenMode_Read))) {
if (R_SUCCEEDED(fs::OpenFile(std::addressof(file), SdOrBaseMetaPath, fs::OpenMode_Read))) {
ON_SCOPE_EXIT { fs::CloseFile(file); };
if (R_SUCCEEDED(LoadMetaFromFile(file, &g_original_meta_cache))) {
Meta *o_meta = &g_original_meta_cache.meta;
@ -177,19 +217,29 @@ namespace ams::ldr {
caps::SetProgramInfoFlags(program_info_flags, meta->aci_kac, meta->aci->kac_size);
}
}
} else if (hos::GetVersion() >= hos::Version_10_0_0) {
/* If storage id is none, there is no base code filesystem, and thus it is impossible for us to validate. */
if (static_cast<ncm::StorageId>(loc.storage_id) != ncm::StorageId::None) {
R_TRY(fs::OpenFile(std::addressof(file), BaseMetaPath, fs::OpenMode_Read));
ON_SCOPE_EXIT { fs::CloseFile(file); };
R_TRY(LoadMetaFromFile(file, &g_original_meta_cache));
R_TRY(ValidateAcidSignature(&g_original_meta_cache.meta));
meta->modulus = g_original_meta_cache.meta.modulus;
meta->is_signed = g_original_meta_cache.meta.is_signed;
}
}
/* Set output. */
g_cached_program_id = program_id;
g_cached_program_id = loc.program_id;
g_cached_override_status = status;
*out_meta = *meta;
return ResultSuccess();
}
Result LoadMetaFromCache(Meta *out_meta, ncm::ProgramId program_id, const cfg::OverrideStatus &status) {
if (g_cached_program_id != program_id || g_cached_override_status != status) {
return LoadMeta(out_meta, program_id, status);
Result LoadMetaFromCache(Meta *out_meta, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status) {
if (g_cached_program_id != loc.program_id || g_cached_override_status != status) {
return LoadMeta(out_meta, loc, status);
}
*out_meta = g_meta_cache.meta;
return ResultSuccess();

View file

@ -30,11 +30,14 @@ namespace ams::ldr {
void *aci_fah;
void *aci_sac;
void *aci_kac;
void *modulus;
bool is_signed;
};
/* Meta API. */
Result LoadMeta(Meta *out_meta, ncm::ProgramId program_id, const cfg::OverrideStatus &status);
Result LoadMetaFromCache(Meta *out_meta, ncm::ProgramId program_id, const cfg::OverrideStatus &status);
Result LoadMeta(Meta *out_meta, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status);
Result LoadMetaFromCache(Meta *out_meta, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status);
void InvalidateMetaCache();
}

View file

@ -15,6 +15,7 @@
*/
#include "ldr_capabilities.hpp"
#include "ldr_content_management.hpp"
#include "ldr_development_manager.hpp"
#include "ldr_launch_record.hpp"
#include "ldr_meta.hpp"
#include "ldr_patcher.hpp"
@ -86,6 +87,9 @@ namespace ams::ldr {
/* No version verification is done before 8.1.0. */
R_SUCCEED_IF(hos::GetVersion() < hos::Version_8_1_0);
/* No verification is done if development. */
R_SUCCEED_IF(IsDevelopmentForAntiDowngradeCheck());
/* Do version-dependent validation, if compiled to do so. */
#ifdef LDR_VALIDATE_PROCESS_VERSION
const MinimumProgramVersion *entries = nullptr;
@ -210,7 +214,7 @@ namespace ams::ldr {
return ResultSuccess();
}
Result ValidateMeta(const Meta *meta, const ncm::ProgramLocation &loc) {
Result ValidateMeta(const Meta *meta, const ncm::ProgramLocation &loc, const fs::CodeInfo &code_info) {
/* Validate version. */
R_TRY(ValidateProgramVersion(loc.program_id, meta->npdm->version));
@ -221,6 +225,21 @@ namespace ams::ldr {
/* Validate the kernel capabilities. */
R_TRY(caps::ValidateCapabilities(meta->acid_kac, meta->acid->kac_size, meta->aci_kac, meta->aci->kac_size));
/* If we have data to validate, validate it. */
if (code_info.is_signed && meta->is_signed) {
const u8 *sig = code_info.signature;
const size_t sig_size = sizeof(code_info.signature);
const u8 *mod = static_cast<u8 *>(meta->modulus);
const size_t mod_size = crypto::Rsa2048PssSha256Verifier::ModulusSize;
const u8 *exp = fssystem::AcidSignatureKeyExponent;
const size_t exp_size = fssystem::AcidSignatureKeyExponentSize;
const u8 *hsh = code_info.hash;
const size_t hsh_size = sizeof(code_info.hash);
const bool is_signature_valid = crypto::VerifyRsa2048PssSha256WithHash(sig, sig_size, mod, mod_size, exp, exp_size, hsh, hsh_size);
R_UNLESS(is_signature_valid, ResultInvalidNcaSignature());
}
/* All good. */
return ResultSuccess();
}
@ -578,10 +597,10 @@ namespace ams::ldr {
/* Load meta, possibly from cache. */
Meta meta;
R_TRY(LoadMetaFromCache(&meta, loc.program_id, override_status));
R_TRY(LoadMetaFromCache(&meta, loc, override_status));
/* Validate meta. */
R_TRY(ValidateMeta(&meta, loc));
R_TRY(ValidateMeta(&meta, loc, mount.GetCodeInfo()));
/* Load, validate NSOs. */
R_TRY(LoadNsoHeaders(nso_headers, has_nso));
@ -636,7 +655,7 @@ namespace ams::ldr {
{
ScopedCodeMount mount(loc);
R_TRY(mount.GetResult());
R_TRY(LoadMeta(&meta, loc.program_id, mount.GetOverrideStatus()));
R_TRY(LoadMeta(&meta, loc, mount.GetOverrideStatus()));
if (out_status != nullptr) {
*out_status = mount.GetOverrideStatus();
}

View file

@ -98,10 +98,10 @@ namespace {
constexpr size_t RandomMaxSessions = 3;
constexpr sm::ServiceName DeprecatedServiceName = sm::ServiceName::Encode("spl:");
constexpr size_t DeprecatedMaxSessions = 12;
constexpr size_t DeprecatedMaxSessions = 13;
constexpr sm::ServiceName GeneralServiceName = sm::ServiceName::Encode("spl:");
constexpr size_t GeneralMaxSessions = 6;
constexpr size_t GeneralMaxSessions = 7;
constexpr sm::ServiceName CryptoServiceName = sm::ServiceName::Encode("spl:mig");
constexpr size_t CryptoMaxSessions = 6;