hekate/nyx/nyx_gui/hos/pkg1.c

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/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 st4rk
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018 balika011
*
* 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 <string.h>
#include "pkg1.h"
#include "../gfx/gfx.h"
#include "../mem/heap.h"
#include "../sec/se.h"
#include "../utils/aarch64_util.h"
/*
* package1.1 header: <wb, ldr, sm>
* package1.1 layout:
* 1.0: {sm, ldr, wb} { 2, 1, 0 }
* 2.0: {wb, ldr, sm} { 0, 1, 2 }
* 3.0: {wb, ldr, sm} { 0, 1, 2 }
* 3.1: {wb, ldr, sm} { 0, 1, 2 }
* 4.0: {ldr, sm, wb} { 1, 2, 0 }
* 5.0: {ldr, sm, wb} { 1, 2, 0 }
* 6.0: {ldr, sm, wb} { 1, 2, 0 }
* 6.2: {ldr, sm, wb} { 1, 2, 0 }
* 7.0: {ldr, sm, wb} { 1, 2, 0 }
*/
static const pkg1_id_t _pkg1_ids[] = {
{ "20161121183008", 0, 0x1900, 0x3FE0, { 2, 1, 0 }, 0x40014020, 0x8000D000 }, //1.0.0
{ "20170210155124", 0, 0x1900, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000 }, //2.0.0 - 2.3.0
{ "20170519101410", 1, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000 }, //3.0.0
{ "20170710161758", 2, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000 }, //3.0.1 - 3.0.2
{ "20170921172629", 3, 0x1800, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003B000 }, //4.0.0 - 4.1.0
{ "20180220163747", 4, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003B000 }, //5.0.0 - 5.1.0
{ "20180802162753", 5, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003D800 }, //6.0.0 - 6.1.0
{ "20181107105733", 6, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x4002B000, 0x4003D800 }, //6.2.0
{ "20181218175730", 7, 0x0F00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000 }, //7.0.0
{ "20190208150037", 7, 0x0F00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000 }, //7.0.1
{ "20190314172056", 7, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000 }, //8.0.0 - 8.0.1
{ "20190531152432", 8, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000 }, //8.1.0
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{ "20190809135709", 9, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000 }, //9.0.0
{ NULL } //End.
};
const pkg1_id_t *pkg1_identify(u8 *pkg1, char *build_date)
{
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if (build_date)
{
memcpy(build_date, (char *)(pkg1 + 0x10), 14);
build_date[14] = 0;
}
for (u32 i = 0; _pkg1_ids[i].id; i++)
if (!memcmp(pkg1 + 0x10, _pkg1_ids[i].id, 12))
return &_pkg1_ids[i];
return NULL;
}
void pkg1_decrypt(const pkg1_id_t *id, u8 *pkg1)
{
// Decrypt package1.
u8 *pkg11 = pkg1 + id->pkg11_off;
u32 pkg11_size = *(u32 *)pkg11;
se_aes_crypt_ctr(11, pkg11 + 0x20, pkg11_size, pkg11 + 0x20, pkg11_size, pkg11 + 0x10);
}
void pkg1_unpack(void *warmboot_dst, void *secmon_dst, void *ldr_dst, const pkg1_id_t *id, u8 *pkg1)
{
pk11_hdr_t *hdr = (pk11_hdr_t *)(pkg1 + id->pkg11_off + 0x20);
u32 sec_size[3] = { hdr->wb_size, hdr->ldr_size, hdr->sm_size };
//u32 sec_off[3] = { hdr->wb_off, hdr->ldr_off, hdr->sm_off };
u8 *pdata = (u8 *)hdr + sizeof(pk11_hdr_t);
for (u32 i = 0; i < 3; i++)
{
if (id->sec_map[i] == 0 && warmboot_dst)
memcpy(warmboot_dst, pdata, sec_size[id->sec_map[i]]);
else if (id->sec_map[i] == 1 && ldr_dst)
memcpy(ldr_dst, pdata, sec_size[id->sec_map[i]]);
else if (id->sec_map[i] == 2 && secmon_dst)
memcpy(secmon_dst, pdata, sec_size[id->sec_map[i]]);
pdata += sec_size[id->sec_map[i]];
}
}