mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018 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 <cstdio>
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#include "ldr_registration.hpp"
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#define MAGIC_META 0x4154454D
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#define MAGIC_ACI0 0x30494341
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#define MAGIC_ACID 0x44494341
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class NpdmUtils {
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public:
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struct NpdmHeader {
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u32 magic;
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u32 _0x4;
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u32 _0x8;
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u8 mmu_flags;
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u8 _0xD;
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u8 main_thread_prio;
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u8 default_cpuid;
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u32 _0x10;
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u32 system_resource_size;
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u32 process_category;
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u32 main_stack_size;
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char title_name[0x50];
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u32 aci0_offset;
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u32 aci0_size;
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u32 acid_offset;
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u32 acid_size;
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};
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struct NpdmAcid {
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u8 signature[0x100];
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u8 modulus[0x100];
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u32 magic;
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u32 size;
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u32 _0x208;
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u32 flags;
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u64 title_id_range_min;
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u64 title_id_range_max;
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u32 fac_offset;
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u32 fac_size;
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u32 sac_offset;
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u32 sac_size;
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u32 kac_offset;
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u32 kac_size;
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u64 padding;
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};
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struct NpdmAci0 {
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u32 magic;
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u8 _0x4[0xC];
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u64 title_id;
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u64 _0x18;
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u32 fah_offset;
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u32 fah_size;
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u32 sac_offset;
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u32 sac_size;
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u32 kac_offset;
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u32 kac_size;
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u64 padding;
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};
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struct NpdmInfo {
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NpdmHeader *header;
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NpdmAcid *acid;
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NpdmAci0 *aci0;
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void *acid_fac;
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void *acid_sac;
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void *acid_kac;
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void *aci0_fah;
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void *aci0_sac;
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void *aci0_kac;
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u64 title_id;
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};
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struct NpdmCache {
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NpdmInfo info;
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u8 buffer[0x8000];
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};
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static_assert(sizeof(NpdmHeader) == 0x80, "Incorrectly defined NpdmHeader!");
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static_assert(sizeof(NpdmAcid) == 0x240, "Incorrectly defined NpdmAcid!");
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static_assert(sizeof(NpdmAci0) == 0x40, "Incorrectly defined NpdmAci0!");
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static u32 GetApplicationType(u32 *caps, size_t num_caps);
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static u32 GetApplicationTypeRaw(u32 *caps, size_t num_caps);
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static Result ValidateCapabilityAgainstRestrictions(u32 *restrict_caps, size_t num_restrict_caps, u32 *&cur_cap, size_t &caps_remaining);
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static Result ValidateCapabilities(u32 *acid_caps, size_t num_acid_caps, u32 *aci0_caps, size_t num_aci0_caps);
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static FILE *OpenNpdmFromHBL();
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static FILE *OpenNpdmFromExeFS();
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static FILE *OpenNpdmFromSdCard(u64 tid);
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static FILE *OpenNpdm(u64 tid);
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static Result LoadNpdm(u64 tid, NpdmInfo *out);
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static Result LoadNpdmFromCache(u64 tid, NpdmInfo *out);
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static void InvalidateCache(u64 tid);
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private:
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static Result LoadNpdmInternal(FILE *f_npdm, NpdmCache *cache);
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};
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