mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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102 lines
No EOL
4.3 KiB
C++
102 lines
No EOL
4.3 KiB
C++
/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "ro_nrr.hpp"
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#include "ro_types.hpp"
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class Registration {
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public:
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/* NOTE: 2 ldr:ro, 2 ro:1. Nintendo only actually supports 2 total, but we'll be a little more generous. */
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static constexpr size_t MaxSessions = 0x4;
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static constexpr size_t MaxNrrInfos = 0x40;
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static constexpr size_t MaxNroInfos = 0x40;
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static constexpr u32 MagicNro0 = 0x304F524E;
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public:
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struct NroHeader {
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u32 entrypoint_insn;
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u32 mod_offset;
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u64 padding;
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u32 magic;
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u32 _0x14;
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u32 nro_size;
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u32 _0x1C;
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u32 text_offset;
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u32 text_size;
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u32 ro_offset;
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u32 ro_size;
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u32 rw_offset;
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u32 rw_size;
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u32 bss_size;
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u32 _0x3C;
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unsigned char build_id[0x20];
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u8 _0x60[0x20];
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};
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static_assert(sizeof(NroHeader) == 0x80, "NroHeader definition!");
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struct NroInfo {
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u64 base_address;
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u64 nro_heap_address;
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u64 nro_heap_size;
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u64 bss_heap_address;
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u64 bss_heap_size;
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u64 code_size;
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u64 rw_size;
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ModuleId module_id;
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};
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struct NrrInfo {
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NrrHeader *header;
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u64 nrr_heap_address;
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u64 nrr_heap_size;
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u64 mapped_code_address;
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};
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struct RoProcessContext {
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bool nro_in_use[MaxNroInfos];
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bool nrr_in_use[MaxNrrInfos];
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NroInfo nro_infos[MaxNroInfos];
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NrrInfo nrr_infos[MaxNrrInfos];
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Handle process_handle;
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u64 process_id;
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bool in_use;
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};
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private:
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static Result MapAndValidateNrr(NrrHeader **out_header, u64 *out_mapped_code_address, Handle process_handle, u64 title_id, u64 nrr_heap_address, u64 nrr_heap_size, RoModuleType expected_type, bool enforce_type);
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static Result UnmapNrr(Handle process_handle, const NrrHeader *header, u64 nrr_heap_address, u64 nrr_heap_size, u64 mapped_code_address);
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static bool IsNroHashPresent(RoProcessContext *context, const Sha256Hash *hash);
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static Result MapNro(u64 *out_base_address, Handle process_handle, u64 nro_heap_address, u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size);
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static Result ValidateNro(ModuleId *out_module_id, u64 *out_rx_size, u64 *out_ro_size, u64 *out_rw_size, RoProcessContext *context, u64 base_address, u64 nro_size, u64 bss_size);
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static Result SetNroPerms(Handle process_handle, u64 base_address, u64 rx_size, u64 ro_size, u64 rw_size);
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static Result UnmapNro(Handle process_handle, u64 base_address, u64 nro_heap_address, u64 bss_heap_address, u64 bss_heap_size, u64 code_size, u64 rw_size);
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public:
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static void Initialize();
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static bool ShouldEaseNroRestriction();
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static Result RegisterProcess(RoProcessContext **out_context, Handle process_handle, u64 process_id);
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static void UnregisterProcess(RoProcessContext *context);
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static Result LoadNrr(RoProcessContext *context, u64 title_id, u64 nrr_address, u64 nrr_size, RoModuleType expected_type, bool enforce_type);
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static Result UnloadNrr(RoProcessContext *context, u64 nrr_address);
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static Result LoadNro(u64 *out_address, RoProcessContext *context, u64 nro_address, u64 nro_size, u64 bss_address, u64 bss_size);
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static Result UnloadNro(RoProcessContext *context, u64 nro_address);
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static Result GetProcessModuleInfo(u32 *out_count, LoaderModuleInfo *out_infos, size_t max_out_count, u64 process_id);
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}; |