mirror of
https://github.com/CTCaer/hekate.git
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ba0f29bc5c
The format is described in patches.ini. For now it only supports the kips defined in hekate's code. Next versions will add support for defining other kips.
154 lines
3.3 KiB
C
154 lines
3.3 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (C) 2018-2019 CTCaer
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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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#ifndef _PKG2_H_
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#define _PKG2_H_
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#include "../utils/types.h"
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#include "../utils/list.h"
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#define PKG2_MAGIC 0x31324B50
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#define PKG2_SEC_BASE 0x80000000
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#define PKG2_SEC_KERNEL 0
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#define PKG2_SEC_INI1 1
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#define INI1_MAGIC 0x31494E49
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#define PKG2_NEWKERN_INI1_START 0x168
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#define PKG2_NEWKERN_INI1_END 0x170
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#define PKG2_NEWKERN_START 0x800
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typedef struct _kernel_patch_t
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{
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u32 id;
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u32 off;
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u32 val;
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u32 *ptr;
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} kernel_patch_t;
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#define KERNEL_PATCHSET_DEF(name, ...) \
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kernel_patch_t name[] = { \
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__VA_ARGS__, \
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{0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, (u32 *)0xFFFFFFFF} \
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}
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enum
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{
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// Always applied.
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SVC_GENERIC = 0,
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// Generic instruction patches.
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SVC_VERIFY_DS = 0x10,
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DEBUG_MODE_EN,
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ATM_GEN_PATCH,
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// >4 bytes patches. Value is a pointer of a u32 array.
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ATM_ARR_PATCH,
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};
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typedef struct _pkg2_hdr_t
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{
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u8 ctr[0x10];
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u8 sec_ctr[0x40];
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u32 magic;
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u32 base;
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u32 pad0;
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u16 version;
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u16 pad1;
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u32 sec_size[4];
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u32 sec_off[4];
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u8 sec_sha256[0x80];
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u8 data[];
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} pkg2_hdr_t;
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typedef struct _pkg2_ini1_t
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{
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u32 magic;
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u32 size;
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u32 num_procs;
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u32 pad;
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} pkg2_ini1_t;
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typedef struct _pkg2_kip1_sec_t
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{
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u32 offset;
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u32 size_decomp;
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u32 size_comp;
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u32 attrib;
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} pkg2_kip1_sec_t;
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#define KIP1_NUM_SECTIONS 6
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typedef struct _pkg2_kip1_t
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{
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u32 magic;
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u8 name[12];
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u64 tid;
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u32 proc_cat;
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u8 main_thrd_prio;
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u8 def_cpu_core;
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u8 res;
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u8 flags;
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pkg2_kip1_sec_t sections[KIP1_NUM_SECTIONS];
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u32 caps[0x20];
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u8 data[];
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} pkg2_kip1_t;
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typedef struct _pkg2_kip1_info_t
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{
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pkg2_kip1_t *kip1;
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u32 size;
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link_t link;
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} pkg2_kip1_info_t;
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typedef struct _pkg2_kernel_id_t
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{
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u8 hash[8];
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kernel_patch_t *kernel_patchset;
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} pkg2_kernel_id_t;
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typedef struct _kip1_patch_t
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{
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u32 offset; // section+offset of patch to apply.
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u32 length; // In bytes, 0 means last patch.
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char* srcData; // That must match.
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char* dstData; // That it gets replaced by.
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} kip1_patch_t;
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typedef struct _kip1_patchset_t
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{
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char* name; // NULL means end.
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kip1_patch_t* patches; // NULL means not necessary.
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} kip1_patchset_t;
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typedef struct _kip1_id_t
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{
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const char* name;
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u8 hash[8];
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kip1_patchset_t* patchset;
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} kip1_id_t;
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void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
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int pkg2_has_kip(link_t *info, u64 tid);
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void pkg2_replace_kip(link_t *info, u64 tid, pkg2_kip1_t *kip1);
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void pkg2_add_kip(link_t *info, pkg2_kip1_t *kip1);
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void pkg2_merge_kip(link_t *info, pkg2_kip1_t *kip1);
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const char* pkg2_patch_kips(link_t *info, char* patchNames);
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const pkg2_kernel_id_t *pkg2_identify(u8 *hash);
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pkg2_hdr_t *pkg2_decrypt(void *data);
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void pkg2_build_encrypt(void *dst, void *kernel, u32 kernel_size, link_t *kips_info, bool new_pkg2);
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#endif
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