mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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fb58d20fe3
And I don't need anyone to tell me so, thank you very much. * PoC: remove gc_dumper and nsp_dumper PoC; create nxdt_rw_poc with all gc_dumper and nsp_dumper capabilities + standalone ticket dumping + raw NCA dumping; use ftruncate() to set output file sizes whenever possible. PoC code is a mess, as always. Expect the features from the rest of the PoCs to be implemented into nxdt_rw_poc soon. * workflow: temporarily disable borealis build generation; comment out manual installation of up-to-date packages from Leseratte's mirrors because the latest devkitA64 Docker image has them all. * borealis: update to fix building issues with latest devkitA64. * bfttf: error out on invalid NCA signatures. * config: save configuration to the current working directory; parse and validate new "gamecard/write_raw_hfs_partition" flag. * defines: remove CONFIG_PATH macro; rename CONFIG_FILE_NAME. * gamecard: rename fs_ctx -> hfs_ctx everywhere; use HFS function calls to retrieve partition names. * hfs: move GameCardHashFileSystemPartitionType enum from gamecard.h and rename it to HashFileSystemPartitionType; add hfsIsValidContext(); add hfsGetPartitionNameString(). * nca/npdm: update comments to reflect latest HOS version. * nxdt_bfsar: always generate absolute SD card paths with the device name; error out on an invalid NCA signature. * nxdt_includes: include dirent.h; refactor Version struct to make it a union of all known *Version structs. * nxdt_log: don't write session separator if the logfile is empty. * nxdt_utils: log appletIsGamePlayRecordingSupported() errors; add utilsDeleteDirectoryRecursively(). * rsa: provide clearer function descriptions in header file. * services: handle usb:ds initialization. * tik: update tikConvertPersonalizedTicketToCommonTicket() to allow NULL input pointers as raw certificate chain arguments (much needed for standalone ticket dumping). * title: add titleGetApplicationIdByMetaKey(). * usb: refactor interface (de)initialization code; slightly improve ABI usage (console-side only); redefine ABI version field in StartSession command blocks; upgrade ABI to v1.1. * FatFs: rename DIR -> FDIR to avoid conflicts with definitions from stdlib's dirent.h. * gamecard_tab: display package ID from the inserted gamecard; fix displayed version numbers from bundled system updates below 3.0.0. * todo: add notes about creating devoptab devices for HFS/PFS/RomFS file tree dumping.
153 lines
5.5 KiB
C
153 lines
5.5 KiB
C
/*
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* hfs.h
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*
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* Copyright (c) 2020-2023, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __HFS_H__
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#define __HFS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HFS0_MAGIC 0x48465330 /* "HFS0". */
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typedef struct {
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u32 magic; ///< "HFS0".
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u32 entry_count;
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u32 name_table_size;
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u8 reserved[0x4];
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} HashFileSystemHeader;
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NXDT_ASSERT(HashFileSystemHeader, 0x10);
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typedef struct {
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u64 offset;
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u64 size;
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u32 name_offset;
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u32 hash_target_size;
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u64 hash_target_offset;
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u8 hash[SHA256_HASH_SIZE];
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} HashFileSystemEntry;
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NXDT_ASSERT(HashFileSystemEntry, 0x40);
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typedef enum {
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HashFileSystemPartitionType_None = 0, ///< Not a real value.
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HashFileSystemPartitionType_Root = 1,
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HashFileSystemPartitionType_Update = 2,
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HashFileSystemPartitionType_Logo = 3, ///< Only available in GameCardFwVersion_Since400NUP or greater gamecards.
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HashFileSystemPartitionType_Normal = 4,
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HashFileSystemPartitionType_Secure = 5,
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HashFileSystemPartitionType_Count = 6 ///< Total values supported by this enum.
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} HashFileSystemPartitionType;
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/// Internally used by gamecard functions.
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/// Use gamecardGetHashFileSystemContext() to retrieve a Hash FS context.
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typedef struct {
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u8 type; ///< HashFileSystemPartitionType.
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char *name; ///< Dynamically allocated partition name.
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u64 offset; ///< Partition offset (relative to the start of gamecard image).
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u64 size; ///< Partition size.
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u64 header_size; ///< Full header size.
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u8 *header; ///< HashFileSystemHeader + (HashFileSystemEntry * entry_count) + Name Table.
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} HashFileSystemContext;
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/// Reads raw partition data using a Hash FS context.
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/// Input offset must be relative to the start of the Hash FS.
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bool hfsReadPartitionData(HashFileSystemContext *ctx, void *out, u64 read_size, u64 offset);
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/// Reads data from a previously retrieved HashFileSystemEntry using a Hash FS context.
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/// Input offset must be relative to the start of the Hash FS entry.
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bool hfsReadEntryData(HashFileSystemContext *ctx, HashFileSystemEntry *fs_entry, void *out, u64 read_size, u64 offset);
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/// Calculates the extracted Hash FS size.
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/// If the target partition is empty, 'out_size' will be set to zero and true will be returned.
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bool hfsGetTotalDataSize(HashFileSystemContext *ctx, u64 *out_size);
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/// Retrieves a Hash FS entry index by its name.
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bool hfsGetEntryIndexByName(HashFileSystemContext *ctx, const char *name, u32 *out_idx);
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/// Takes a HashFileSystemPartitionType value. Returns a pointer to a string that represents the partition name that matches the provided Hash FS partition type.
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/// Returns NULL if the provided value is out of range.
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const char *hfsGetPartitionNameString(u8 hfs_partition_type);
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/// Miscellaneous functions.
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NX_INLINE void hfsFreeContext(HashFileSystemContext *ctx)
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{
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if (!ctx) return;
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if (ctx->name) free(ctx->name);
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if (ctx->header) free(ctx->header);
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memset(ctx, 0, sizeof(HashFileSystemContext));
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}
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NX_INLINE bool hfsIsValidContext(HashFileSystemContext *ctx)
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{
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return (ctx && ctx->type > HashFileSystemPartitionType_None && ctx->type < HashFileSystemPartitionType_Count && ctx->name && ctx->size && ctx->header_size && ctx->header);
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}
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NX_INLINE u32 hfsGetEntryCount(HashFileSystemContext *ctx)
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{
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if (!ctx || !ctx->header_size || !ctx->header) return 0;
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return ((HashFileSystemHeader*)ctx->header)->entry_count;
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}
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NX_INLINE HashFileSystemEntry *hfsGetEntryByIndex(HashFileSystemContext *ctx, u32 idx)
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{
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if (idx >= hfsGetEntryCount(ctx)) return NULL;
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return (HashFileSystemEntry*)(ctx->header + sizeof(HashFileSystemHeader) + (idx * sizeof(HashFileSystemEntry)));
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}
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NX_INLINE char *hfsGetNameTable(HashFileSystemContext *ctx)
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{
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u32 entry_count = hfsGetEntryCount(ctx);
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if (!entry_count) return NULL;
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return (char*)(ctx->header + sizeof(HashFileSystemHeader) + (entry_count * sizeof(HashFileSystemEntry)));
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}
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NX_INLINE char *hfsGetEntryName(HashFileSystemContext *ctx, HashFileSystemEntry *fs_entry)
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{
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char *name_table = hfsGetNameTable(ctx);
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if (!name_table || !fs_entry || fs_entry->name_offset >= ((HashFileSystemHeader*)ctx->header)->name_table_size || !name_table[fs_entry->name_offset]) return NULL;
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return (name_table + fs_entry->name_offset);
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}
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NX_INLINE char *hfsGetEntryNameByIndex(HashFileSystemContext *ctx, u32 idx)
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{
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HashFileSystemEntry *fs_entry = hfsGetEntryByIndex(ctx, idx);
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char *name_table = hfsGetNameTable(ctx);
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if (!fs_entry || !name_table) return NULL;
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return (name_table + fs_entry->name_offset);
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}
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NX_INLINE HashFileSystemEntry *hfsGetEntryByName(HashFileSystemContext *ctx, const char *name)
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{
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u32 idx = 0;
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if (!hfsGetEntryIndexByName(ctx, name, &idx)) return NULL;
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return hfsGetEntryByIndex(ctx, idx);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HFS_H__ */
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