mirror of
https://github.com/CTCaer/hekate.git
synced 2024-11-26 19:52:11 +00:00
135 lines
4.6 KiB
C
135 lines
4.6 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018 st4rk
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* Copyright (c) 2018-2020 CTCaer
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* Copyright (c) 2018 balika011
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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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#include <string.h>
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#include "hos.h"
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#include "pkg1.h"
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#include "../config.h"
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#include <gfx_utils.h>
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#include <mem/heap.h>
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#include <sec/se.h>
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#include <utils/aarch64_util.h>
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extern hekate_config h_cfg;
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/*
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* package1.1 header: <wb, ldr, sm>
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* package1.1 layout:
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* 1.0: {sm, ldr, wb} { 2, 1, 0 }
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* 2.0+: {wb, ldr, sm} { 0, 1, 2 }
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* 4.0+: {ldr, sm, wb} { 1, 2, 0 }
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*/
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static const u8 sec_map_100[3] = { PK11_SECTION_SM, PK11_SECTION_LD, PK11_SECTION_WB };
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static const u8 sec_map_2xx[3] = { PK11_SECTION_WB, PK11_SECTION_LD, PK11_SECTION_SM };
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static const u8 sec_map_4xx[3] = { PK11_SECTION_LD, PK11_SECTION_SM, PK11_SECTION_WB };
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static const pkg1_id_t _pkg1_ids[] = {
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{ "20161121183008", 0, 0x1900, 0x3FE0, 0x40014020, 0x8000D000 }, // 1.0.0.
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{ "20170210155124", 0, 0x1900, 0x3FE0, 0x4002D000, 0x8000D000 }, // 2.0.0 - 2.3.0.
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{ "20170519101410", 1, 0x1A00, 0x3FE0, 0x4002D000, 0x8000D000 }, // 3.0.0.
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{ "20170710161758", 2, 0x1A00, 0x3FE0, 0x4002D000, 0x8000D000 }, // 3.0.1 - 3.0.2.
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{ "20170921172629", 3, 0x1800, 0x3FE0, 0x4002B000, 0x4003B000 }, // 4.0.0 - 4.1.0.
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{ "20180220163747", 4, 0x1900, 0x3FE0, 0x4002B000, 0x4003B000 }, // 5.0.0 - 5.1.0.
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{ "20180802162753", 5, 0x1900, 0x3FE0, 0x4002B000, 0x4003D800 }, // 6.0.0 - 6.1.0.
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{ "20181107105733", 6, 0x0E00, 0x6FE0, 0x4002B000, 0x4003D800 }, // 6.2.0.
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{ "20181218175730", 7, 0x0F00, 0x6FE0, 0x40030000, 0x4003E000 }, // 7.0.0.
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{ "20190208150037", 7, 0x0F00, 0x6FE0, 0x40030000, 0x4003E000 }, // 7.0.1.
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{ "20190314172056", 7, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 8.0.0 - 8.0.1.
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{ "20190531152432", 8, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 8.1.0.
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{ "20190809135709", 9, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 9.0.0 - 9.0.1.
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{ "20191021113848", 10, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 9.1.0.
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{ "20200303104606", 10, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 10.0.0.
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{ "20201030110855", 10, 0x0E00, 0x6FE0, 0x40030000, 0x4003E000 }, // 11.0.0.
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{ NULL } //End.
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};
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const pkg1_id_t *pkg1_identify(u8 *pkg1, char *build_date)
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{
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if (build_date)
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{
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memcpy(build_date, (char *)(pkg1 + 0x10), 14);
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build_date[14] = 0;
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}
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for (u32 i = 0; _pkg1_ids[i].id; i++)
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if (!memcmp(pkg1 + 0x10, _pkg1_ids[i].id, 8))
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return &_pkg1_ids[i];
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return NULL;
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}
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int pkg1_decrypt(const pkg1_id_t *id, u8 *pkg1)
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{
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// Decrypt package1.
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pk11_hdr_t *hdr;
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u8 *pkg11 = pkg1 + id->pkg11_off;
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u32 pkg11_size = *(u32 *)pkg11;
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if (!h_cfg.t210b01)
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{
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hdr = (pk11_hdr_t *)(pkg11 + 0x20);
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se_aes_crypt_ctr(11, hdr, pkg11_size, hdr, pkg11_size, pkg11 + 0x10);
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}
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else
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{
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bl_hdr_t210b01_t *oem_hdr = (bl_hdr_t210b01_t *)pkg1;
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pkg1 += sizeof(bl_hdr_t210b01_t);
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hdr = (pk11_hdr_t *)(pkg1 + id->pkg11_off + 0x20);
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// Use BEK for T210B01.
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se_aes_iv_clear(13);
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se_aes_crypt_cbc(13, 0, pkg1 + 0x20, oem_hdr->size, pkg1 + 0x20, oem_hdr->size);
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}
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// Return if header is valid.
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return (hdr->magic == PKG1_MAGIC);
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}
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const u8 *pkg1_unpack(void *wm_dst, void *sm_dst, void *ldr_dst, const pkg1_id_t *id, u8 *pkg1)
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{
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const u8 *sec_map;
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const pk11_hdr_t *hdr = (pk11_hdr_t *)(pkg1 + id->pkg11_off + 0x20);
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u32 sec_size[3] = { hdr->wb_size, hdr->ldr_size, hdr->sm_size };
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//u32 sec_off[3] = { hdr->wb_off, hdr->ldr_off, hdr->sm_off };
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// Get correct header mapping.
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if (id->kb == KB_FIRMWARE_VERSION_100_200 && !strcmp(id->id, "20161121183008"))
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sec_map = sec_map_100;
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else if (id->kb >= KB_FIRMWARE_VERSION_100_200 && id->kb <= KB_FIRMWARE_VERSION_301)
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sec_map = sec_map_2xx;
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else
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sec_map = sec_map_4xx;
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// Copy secmon, warmboot and nx bootloader payloads.
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u8 *pdata = (u8 *)hdr + sizeof(pk11_hdr_t);
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for (u32 i = 0; i < 3; i++)
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{
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if (sec_map[i] == PK11_SECTION_WB && wm_dst)
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memcpy(wm_dst, pdata, sec_size[sec_map[i]]);
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else if (sec_map[i] == PK11_SECTION_LD && ldr_dst)
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memcpy(ldr_dst, pdata, sec_size[sec_map[i]]);
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else if (sec_map[i] == PK11_SECTION_SM && sm_dst)
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memcpy(sm_dst, pdata, sec_size[sec_map[i]]);
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pdata += sec_size[sec_map[i]];
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}
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return sec_map;
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}
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