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package.c
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package.c
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/*
* Copyright (c) 2018 Reisyukaku
*
* 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 "hwinit.h"
#include "error.h"
#include "fs.h"
#include "package.h"
#include "kippatches/fs.inc"
u8 *ReadBoot0(sdmmc_storage_t *storage){
u8 *bctBuf = (u8 *)malloc(0x4000);
sdmmc_storage_read(storage, 0 , 0x4000 / NX_EMMC_BLOCKSIZE, bctBuf);
return bctBuf;
}
u8 *ReadPackage1Ldr(sdmmc_storage_t *storage) {
u8 *pk11 = malloc(0x40000);
sdmmc_storage_read(storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pk11);
return pk11;
}
u8 *ReadPackage2(sdmmc_storage_t *storage) {
// Read GPT partition.
LIST_INIT(gpt);
sdmmc_storage_set_mmc_partition(storage, 0);
print("Parsing GPT...\n");
nx_emmc_gpt_parse(&gpt, storage);
emmc_part_t *pkg2_part = nx_emmc_part_find(&gpt, "BCPKG2-1-Normal-Main");
nx_emmc_gpt_free(&gpt);
if (!pkg2_part) {
error("Failed to read GPT!\n");
return 0;
}
// Read Package2.
u8 *tmp = (u8 *)malloc(NX_EMMC_BLOCKSIZE);
print("Reading Package2 size...\n");
nx_emmc_part_read(storage, pkg2_part, 0x4000 / NX_EMMC_BLOCKSIZE, 1, tmp);
u32 *hdr = (u32 *)(tmp + 0x100);
u32 pkg2_size = hdr[0] ^ hdr[2] ^ hdr[3];
free(tmp);
u8 *pkg2 = malloc(ALIGN(pkg2_size, NX_EMMC_BLOCKSIZE));
print("Reading Package2...\n");
u32 ret = nx_emmc_part_read(storage, pkg2_part, 0x4000 / NX_EMMC_BLOCKSIZE, ALIGN(pkg2_size, NX_EMMC_BLOCKSIZE) / NX_EMMC_BLOCKSIZE, pkg2);
sdmmc_storage_end(storage);
if (!ret) {
error("Failed to read Package2!\n");
return 0;
}
return pkg2;
}
pkg2_hdr_t *unpackFirmwarePackage(u8 *data) {
print("Unpacking firmware...\n");
pkg2_hdr_t *hdr = (pkg2_hdr_t *)(data + 0x100);
//Decrypt header.
se_aes_crypt_ctr(8, hdr, sizeof(pkg2_hdr_t), hdr, sizeof(pkg2_hdr_t), hdr);
if (hdr->magic != PKG2_MAGIC) {
error("Package2 Magic invalid!\n");
return NULL;
}
//Decrypt body
data += (0x100 + sizeof(pkg2_hdr_t));
for (u32 i = 0; i < 4; i++) {
if (!hdr->sec_size[i]) continue;
se_aes_crypt_ctr(8, data, hdr->sec_size[i], data, hdr->sec_size[i], &hdr->sec_ctr[i * 0x10]);
data += hdr->sec_size[i];
}
return hdr;
}
void pkg1_unpack(pk11_offs *offs, u32 pkg1Off) {
u8 ret = 0;
u8 *extWb;
u8 *extSec;
pk11_header *hdr = (pk11_header *)(pkg1Off + 0x20);
u32 sec_size[3] = { hdr->wb_size, hdr->ldr_size, hdr->sm_size };
u8 *pdata = (u8 *)hdr + sizeof(pk11_header);
for (u32 i = 0; i < 3; i++) {
if (offs->sec_map[i] == 0 && offs->warmboot_base) {
u8 *extWb = NULL;
if(fopen("/ReiNX/warmboot.bin", "rb") != 0) {
extWb = malloc(fsize());
fread(extWb, fsize(), 1);
fclose();
}
memcpy((void *)offs->warmboot_base, extWb == NULL ? pdata : extWb, sec_size[offs->sec_map[i]]);
}
if (offs->sec_map[i] == 2 && offs->secmon_base) {
u8 *extSec = NULL;
if(fopen("/ReiNX/secmon.bin", "rb") != 0) {
extSec = malloc(fsize());
fread(extSec, fsize(), 1);
fclose();
}
memcpy((u8 *)offs->secmon_base, extSec == NULL ? pdata : extSec, sec_size[offs->sec_map[i]]);
}
pdata += sec_size[offs->sec_map[i]];
}
}
bool hasCustomWb() {
bool ret = false;
if(fopen("/ReiNX/warmboot.bin", "rb") != 0) {
ret = true;
fclose();
}
return ret;
}
bool hasCustomSecmon() {
bool ret = false;
if(fopen("/ReiNX/secmon.bin", "rb") != 0) {
ret = true;
fclose();
}
return ret;
}
bool hasCustomKern() {
bool ret = false;
if(fopen("/ReiNX/kernel.bin", "rb") != 0) {
ret = true;
fclose();
}
return ret;
}
void buildFirmwarePackage(u8 *kernel, u32 kernel_size, link_t *kips_info) {
u8 *pdst = (u8 *)0xA9800000;
// Signature.
memset(pdst, 0, 0x100);
pdst += 0x100;
// Header.
pkg2_hdr_t *hdr = (pkg2_hdr_t *)pdst;
memset(hdr, 0, sizeof(pkg2_hdr_t));
pdst += sizeof(pkg2_hdr_t);
hdr->magic = PKG2_MAGIC;
hdr->base = 0x10000000;
print("kernel @ %08X (%08X)\n", (u32)kernel, kernel_size);
// Kernel.
u8 *extKern = NULL;
if(fopen("/ReiNX/kernel.bin", "rb") != 0) {
extKern = malloc(fsize());
fread(extKern, fsize(), 1);
fclose();
}
memcpy(pdst, extKern == NULL ? kernel : extKern, kernel_size);
hdr->sec_size[PKG2_SEC_KERNEL] = kernel_size;
hdr->sec_off[PKG2_SEC_KERNEL] = 0x10000000;
se_aes_crypt_ctr(8, pdst, kernel_size, pdst, kernel_size, &hdr->sec_ctr[PKG2_SEC_KERNEL * 0x10]);
pdst += kernel_size;
// INI1.
u32 ini1_size = sizeof(pkg2_ini1_t);
pkg2_ini1_t *ini1 = (pkg2_ini1_t *)pdst;
memset(ini1, 0, sizeof(pkg2_ini1_t));
ini1->magic = INI1_MAGIC;
pdst += sizeof(pkg2_ini1_t);
LIST_FOREACH_ENTRY(pkg2_kip1_info_t, ki, kips_info, link) {
print("adding kip1 '%s' @ %08X (%08X)\n", ki->kip1->name, (u32)ki->kip1, ki->size);
memcpy(pdst, ki->kip1, ki->size);
pdst += ki->size;
ini1_size += ki->size;
ini1->num_procs++;
}
ini1->size = ini1_size;
hdr->sec_size[PKG2_SEC_INI1] = ini1_size;
hdr->sec_off[PKG2_SEC_INI1] = 0x14080000;
se_aes_crypt_ctr(8, ini1, ini1_size, ini1, ini1_size, &hdr->sec_ctr[PKG2_SEC_INI1 * 0x10]);
// Encrypt header.
*(u32 *)hdr->ctr = 0x100 + sizeof(pkg2_hdr_t) + kernel_size + ini1_size;
se_aes_crypt_ctr(8, hdr, sizeof(pkg2_hdr_t), hdr, sizeof(pkg2_hdr_t), hdr);
memset(hdr->ctr, 0 , 0x10);
*(u32 *)hdr->ctr = 0x100 + sizeof(pkg2_hdr_t) + kernel_size + ini1_size;
}
size_t calcKipSize(pkg2_kip1_t *kip1) {
u32 size = sizeof(pkg2_kip1_t);
for (u32 j = 0; j < KIP1_NUM_SECTIONS; j++)
size += kip1->sections[j].size_comp;
return size;
}
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2) {
u8 *ptr = pkg2->data + pkg2->sec_size[PKG2_SEC_KERNEL];
pkg2_ini1_t *ini1 = (pkg2_ini1_t *)ptr;
ptr += sizeof(pkg2_ini1_t);
for (u32 i = 0; i < ini1->num_procs; i++) {
pkg2_kip1_t *kip1 = (pkg2_kip1_t *)ptr;
pkg2_kip1_info_t *ki = (pkg2_kip1_info_t *)malloc(sizeof(pkg2_kip1_info_t));
ki->kip1 = kip1;
ki->size = calcKipSize(kip1);
list_append(info, &ki->link);
ptr += ki->size;
}
}
void loadKip(link_t *info, char *path) {
if(fopen(path, "rb") == 0) return;
pkg2_kip1_t *ckip = malloc(fsize());
fread(ckip, fsize(), 1);
fclose();
LIST_FOREACH_ENTRY(pkg2_kip1_info_t, ki, info, link) {
if (ki->kip1->tid == ckip->tid) {
ki->kip1 = ckip;
ki->size = calcKipSize(ckip);
return;
}
}
pkg2_kip1_info_t *ki = malloc(sizeof(pkg2_kip1_info_t));
ki->kip1 = ckip;
ki->size = calcKipSize(ckip);
list_append(info, &ki->link);
}
// TODO: get full hashes somewhere and not just the first 16 bytes
// every second one is the exfat version
kippatchset_t kip_patches[] = {
{ "FS", "\xde\x9f\xdd\xa4\x08\x5d\xd5\xfe\x68\xdc\xb2\x0b\x41\x09\x5b\xb4", fs_kip_patches_100 },
{ "FS", "\xfc\x3e\x80\x99\x1d\xca\x17\x96\x4a\x12\x1f\x04\xb6\x1b\x17\x5e", fs_kip_patches_100 },
{ "FS", "\xcd\x7b\xbe\x18\xd6\x13\x0b\x28\xf6\x2f\x19\xfa\x79\x45\x53\x5b", fs_kip_patches_200 },
{ "FS", "\xe7\x66\x92\xdf\xaa\x04\x20\xe9\xfd\xd6\x8e\x43\x63\x16\x18\x18", fs_kip_patches_200 },
{ "FS", "\x0d\x70\x05\x62\x7b\x07\x76\x7c\x0b\x96\x3f\x9a\xff\xdd\xe5\x66", fs_kip_patches_210 },
{ "FS", "\xdb\xd8\x5f\xca\xcc\x19\x3d\xa8\x30\x51\xc6\x64\xe6\x45\x2d\x32", fs_kip_patches_210 },
{ "FS", "\xa8\x6d\xa5\xe8\x7e\xf1\x09\x7b\x23\xda\xb5\xb4\xdb\xba\xef\xe7", fs_kip_patches_300 },
{ "FS", "\x98\x1c\x57\xe7\xf0\x2f\x70\xf7\xbc\xde\x75\x31\x81\xd9\x01\xa6", fs_kip_patches_300 },
{ "FS", "\x57\x39\x7c\x06\x3f\x10\xb6\x31\x3f\x4d\x83\x76\x53\xcc\xc3\x71", fs_kip_patches_301 },
{ "FS", "\x07\x30\x99\xd7\xc6\xad\x7d\x89\x83\xbc\x7a\xdd\x93\x2b\xe3\xd1", fs_kip_patches_301 },
{ "FS", "\x06\xe9\x07\x19\x59\x5a\x01\x0c\x62\x46\xff\x70\x94\x6f\x10\xfb", fs_kip_patches_401 },
{ "FS", "\x54\x9b\x0f\x8d\x6f\x72\xc4\xe9\xf3\xfd\x1f\x19\xea\xce\x4a\x5a", fs_kip_patches_401 },
{ "FS", "\x80\x96\xaf\x7c\x6a\x35\xaa\x82\x71\xf3\x91\x69\x95\x41\x3b\x0b", fs_kip_patches_410 },
{ "FS", "\x02\xd5\xab\xaa\xfd\x20\xc8\xb0\x63\x3a\xa0\xdb\xae\xe0\x37\x7e", fs_kip_patches_410 },
{ "FS", "\xa6\xf2\x7a\xd9\xac\x7c\x73\xad\x41\x9b\x63\xb2\x3e\x78\x5a\x0c", fs_kip_patches_500 },
{ "FS", "\xce\x3e\xcb\xa2\xf2\xf0\x62\xf5\x75\xf8\xf3\x60\x84\x2b\x32\xb4", fs_kip_patches_500 },
{ "FS", "\x76\xf8\x74\x02\xc9\x38\x7c\x0f\x0a\x2f\xab\x1b\x45\xce\xbb\x93", fs_kip_patches_510 },
{ "FS", "\x10\xb2\xd8\x16\x05\x48\x85\x99\xdf\x22\x42\xcb\x6b\xac\x2d\xf1", fs_kip_patches_510 },
{ "FS", "\x1b\x82\xcb\x22\x18\x67\xcb\x52\xc4\x4a\x86\x9e\xa9\x1a\x1a\xdd", fs_kip_patches_600_40 },
{ "FS", "\x96\x6a\xdd\x3d\x20\xb6\x27\x13\x2c\x5a\x8d\xa4\x9a\xc9\xd8\xdd", fs_kip_patches_600_40_exfat },
{ "FS", "\x3a\x57\x4d\x43\x61\x86\x19\x1d\x17\x88\xeb\x2c\x0f\x07\x6b\x11", fs_kip_patches_600_50 },
{ "FS", "\x33\x05\x53\xf6\xb5\xfb\x55\xc4\xc2\xd7\xb7\x36\x24\x02\x76\xb3", fs_kip_patches_600_50_exfat },
{ "FS", "\x33\x05\x53\xf6\xb5\xfb\x55\xc4\xc2\xd7\xb7\x36\x24\x02\x76\xb3", fs_kip_patches_700 },
{ "FS", "\x2a\xdb\xe9\x7e\x9b\x5f\x41\x77\x9e\xc9\x5f\xfe\x26\x99\xc9\x33", fs_kip_patches_700_exfat },
{ NULL, NULL, NULL },
};
int kippatch_apply(u8 *kipdata, u64 kipdata_len, kippatch_t *patch) {
if (!patch || !patch->diffs) return -1;
for (kipdiff_t *diff = patch->diffs; diff->len; ++diff) {
if (!diff->len || diff->offset + diff->len > kipdata_len)
return 1 + (int)(diff - patch->diffs);
u8 *start = kipdata + diff->offset;
if (memcmp(start, diff->orig_bytes, diff->len))
continue;
// TODO: maybe start copying after every diff has been verified?
memcpy(start, diff->patch_bytes, diff->len);
}
return 0;
}
u32 *getSndPayload(u32 id, size_t *size) {
u32 *ret;
switch(id){
case 0:
*size = sizeof(PRC_ID_SND_100);
ret = PRC_ID_SND_100;
break;
case 1:
*size = sizeof(PRC_ID_SND_200);
ret = PRC_ID_SND_200;
break;
case 2:
*size = sizeof(PRC_ID_SND_300);
ret = PRC_ID_SND_300;
break;
case 3:
*size = sizeof(PRC_ID_SND_302);
ret = PRC_ID_SND_302;
break;
case 4:
*size = sizeof(PRC_ID_SND_400);
ret = PRC_ID_SND_400;
break;
case 5:
*size = sizeof(PRC_ID_SND_500);
ret = PRC_ID_SND_500;
break;
case 6:
*size = sizeof(PRC_ID_SND_600);
ret = PRC_ID_SND_600;
case 7:
*size = sizeof(PRC_ID_SND_700);
ret = PRC_ID_SND_700;
break;
}
return ret;
}
u32 *getRcvPayload(u32 id, size_t *size) {
u32 *ret;
switch(id){
case 0:
*size = sizeof(PRC_ID_RCV_100);
ret = PRC_ID_RCV_100;
break;
case 1:
*size = sizeof(PRC_ID_RCV_200);
ret = PRC_ID_RCV_200;
break;
case 2:
*size = sizeof(PRC_ID_RCV_300);
ret = PRC_ID_RCV_300;
break;
case 3:
*size = sizeof(PRC_ID_RCV_302);
ret = PRC_ID_RCV_302;
break;
case 4:
*size = sizeof(PRC_ID_RCV_400);
ret = PRC_ID_RCV_400;
break;
case 5:
*size = sizeof(PRC_ID_RCV_500);
ret = PRC_ID_RCV_500;
break;
case 6:
*size = sizeof(PRC_ID_RCV_600);
ret = PRC_ID_RCV_600;
break;
case 7:
*size = sizeof(PRC_ID_RCV_700);
ret = PRC_ID_RCV_700;
break;
}
return ret;
}
int nca_patch(u8 * kipdata, u64 kipdata_len) {
char pattern[8] = {0xE5, 0x07, 0x00, 0x32, 0xE0, 0x03, 0x16, 0xAA};
char buf[0x10];
memcpy(buf, kipdata+0x1C450, 0x10);
u32 * addr = (u32*)memsearch(kipdata, kipdata_len, pattern, sizeof(pattern));
int ret=0;
int max_dist = 0x10;
for(int i=0; i<max_dist; i++) {
u32 op = addr[i];
if((op & 0xFC000000)==0x94000000) { //is a BL op
addr[i] = NOP_v8;
ret=1;
break;
}
}
return ret;
}
int kippatch_apply_set(u8 *kipdata, u64 kipdata_len, kippatchset_t *patchset) {
char *patchFilter[] = { "nosigchk", "nocmac", "nogc", NULL };
if (!fopen("/ReiNX/nogc", "rb")) {
patchFilter[2] = NULL;
fclose();
}
for (kippatch_t *p = patchset->patches; p && p->name; ++p) {
int found = 0;
for (char **filtname = patchFilter; filtname && *filtname; ++filtname) {
if (!strcmp(p->name, *filtname)) {
found = 1;
break;
}
}
if (patchFilter && !found) continue;
int r = kippatch_apply(kipdata, kipdata_len, p);
if (r) return r;
}
if(!strncmp("FS", patchset->kip_name, 2))
nca_patch(kipdata, kipdata_len);
return 0;
}
kippatchset_t *kippatch_find_set(u8 *kiphash, kippatchset_t *patchsets) {
for (kippatchset_t *ps = patchsets; ps && ps->kip_name; ++ps) {
if (!memcmp(kiphash, ps->kip_hash, 0x10)) return ps;
}
return NULL;
}