mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-17 23:41:53 +01:00
330 lines
9.7 KiB
C++
330 lines
9.7 KiB
C++
/****************************************************************************
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* Copyright (C) 2013 FIX94
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*
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* This program 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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* This program 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 <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "menu/menu.hpp"
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#include "libwbfs/wiidisc.h"
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#include "channel/nand.hpp"
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extern "C" {
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#include "loader/sha1.h"
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extern void aes_set_key(u8 *key);
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extern void aes_decrypt_partial(u8 *inbuf, u8 *outbuf, u8 block[16],
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u8 *ctext_ptr, u32 tmp_blockno);
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};
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#define WAD_BUF 0x10000
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struct _hdr {
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u32 header_len;
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u16 type;
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u16 padding;
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u32 certs_len;
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u32 crl_len;
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u32 tik_len;
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u32 tmd_len;
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u32 data_len;
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u32 footer_len;
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} ATTRIBUTE_PACKED hdr;
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void skip_align(FILE *f, u32 size)
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{
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size_t align_missing = (ALIGN(64, size) - size);
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if(align_missing == 0)
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return;
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fseek(f, align_missing, SEEK_CUR);
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}
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int installWad(const char *path)
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{
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gprintf("Installing %s\n", path);
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const char *EmuNAND = NandHandle.GetPath();
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if(!fsop_FileExist(path))
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return -1;
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u32 size = 0;
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fsop_GetFileSizeBytes(path, &size);
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if(size < sizeof(hdr))
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return -2;
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FILE *wad_file = fopen(path, "rb");
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fread(&hdr, sizeof(hdr), 1, wad_file);
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skip_align(wad_file, sizeof(hdr));
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if(size < (hdr.certs_len + hdr.crl_len + hdr.tik_len + hdr.tmd_len + hdr.data_len + hdr.footer_len)
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|| hdr.tik_len == 0 || hdr.tmd_len == 0 || hdr.data_len == 0)
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{
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fclose(wad_file);
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return -3;
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}
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fseek(wad_file, ALIGN(64, hdr.certs_len), SEEK_CUR);
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fseek(wad_file, ALIGN(64, hdr.crl_len), SEEK_CUR);
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gprintf("Reading tik\n");
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u8 *tik_buf = (u8*)MEM2_alloc(hdr.tik_len);
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fread(tik_buf, hdr.tik_len, 1, wad_file);
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skip_align(wad_file, hdr.tik_len);
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gprintf("Decrypting key\n");
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u8 tik_key[16];
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decrypt_title_key(tik_buf, tik_key);
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aes_set_key(tik_key);
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gprintf("Reading tmd\n");
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signed_blob *tmd_buf = (signed_blob*)MEM2_alloc(hdr.tmd_len);
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fread(tmd_buf, hdr.tmd_len, 1, wad_file);
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skip_align(wad_file, hdr.tmd_len);
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const tmd *tmd_ptr = (const tmd*)SIGNATURE_PAYLOAD(tmd_buf);
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u64 tid = tmd_ptr->title_id;
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/* ONLY allow wii channels for now */
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if((u32)(tid>>32) != 0x00010001)
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{
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gprintf("No Wii Channel!\n");
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free(tmd_buf);
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free(tik_buf);
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return -4;
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}
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u32 uid_size = 0;
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u8 *uid_buf = fsop_ReadFile(fmt("%s/sys/uid.sys", EmuNAND), &uid_size);
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if(uid_buf == NULL)
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{
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gprintf("No uid.sys found!\n");
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free(tmd_buf);
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free(tik_buf);
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return -5;
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}
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else if(uid_size % 0xC != 0)
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{
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gprintf("uid.sys size is invalid!\n");
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free(tmd_buf);
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free(tik_buf);
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free(uid_buf);
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return -6;
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}
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bool chan_exist = false;
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uid *uid_file = (uid*)uid_buf;
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u32 chans = uid_size/sizeof(uid);
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for(u32 i = 0; i < chans; ++i)
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{
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if(uid_file[i].TitleID == tid)
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chan_exist = true;
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}
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if(chan_exist == false)
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{
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gprintf("Updating uid.sys\n");
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u32 new_uid_size = (chans+1)*sizeof(uid);
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u8 *new_uid_buf = (u8*)MEM2_alloc(new_uid_size);
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memset(new_uid_buf, 0, new_uid_size);
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/* copy over old uid */
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memcpy(new_uid_buf, uid_buf, chans*sizeof(uid));
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uid *new_uid_file = (uid*)new_uid_buf;
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new_uid_file[chans].TitleID = tid;
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new_uid_file[chans].uid = 0x1000+chans;
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fsop_WriteFile(fmt("%s/sys/uid.sys", EmuNAND), new_uid_file, new_uid_size);
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}
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/* clear old tik */
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fsop_deleteFile(fmt("%s/ticket/%08x/%08x.tik", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF));
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/* clear old content */
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fsop_deleteFolder(fmt("%s/title/%08x/%08x/content", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF));
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/* (re)create folder structure */
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fsop_MakeFolder(fmt("%s/ticket", EmuNAND));
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fsop_MakeFolder(fmt("%s/ticket/%08x", EmuNAND, (u32)(tid>>32)));
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fsop_MakeFolder(fmt("%s/title", EmuNAND));
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fsop_MakeFolder(fmt("%s/title/%08x", EmuNAND, (u32)(tid>>32)));
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fsop_MakeFolder(fmt("%s/title/%08x/%08x", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF));
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fsop_MakeFolder(fmt("%s/title/%08x/%08x/content", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF));
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fsop_MakeFolder(fmt("%s/title/%08x/%08x/data", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF));
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int hash_errors = 0;
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/* decrypt and write app files */
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for(u16 cnt = 0; cnt < tmd_ptr->num_contents; cnt++)
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{
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u8 iv[16];
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const tmd_content *content = &tmd_ptr->contents[cnt];
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u16 content_index = content->index;
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memset(iv, 0, 16);
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memcpy(iv, &content_index, 2);
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/* longass filename */
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const char *app_name = fmt("%s/title/%08x/%08x/content/%08x.app", EmuNAND,
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(u32)(tid>>32), (u32)tid&0xFFFFFFFF, content->cid);
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FILE *app_file = fopen(app_name, "wb");
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u64 read = 0;
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u8 *encBuf = (u8*)MEM2_alloc(WAD_BUF);
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u8 *decBuf = (u8*)MEM2_alloc(WAD_BUF);
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u8 block[16];
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u8 prev_block[16];
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u8 *ctext_ptr = iv;
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SHA1_CTX ctx;
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SHA1Init(&ctx);
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u32 size_enc_full = ALIGN(16, content->size);
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while(read < size_enc_full)
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{
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u64 size_enc = (size_enc_full - read);
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if (size_enc > WAD_BUF)
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size_enc = WAD_BUF;
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memset(encBuf, 0, WAD_BUF);
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fread(encBuf, size_enc, 1, wad_file);
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u32 partnr = 0;
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u32 lastnr = (size_enc / sizeof(block));
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for(partnr = 0; partnr < lastnr; partnr++)
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{
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aes_decrypt_partial(encBuf, decBuf, block, ctext_ptr, partnr);
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memcpy(prev_block, encBuf + (partnr * 16), 16);
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ctext_ptr = prev_block;
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}
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/* we need to work with the real size here */
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u64 size_dec = (content->size - read);
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if(size_dec > WAD_BUF)
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size_dec = WAD_BUF;
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SHA1Update(&ctx, decBuf, size_dec);
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fwrite(decBuf, size_dec, 1, app_file);
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/* dont forget to increase the read size */
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read += size_enc;
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}
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sha1 app_sha1;
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SHA1Final(app_sha1, &ctx);
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skip_align(wad_file, size_enc_full);
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gprintf("Wrote %s\n", app_name);
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fclose(app_file);
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if(memcmp(app_sha1, content->hash, sizeof(sha1)) == 0)
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gprintf("sha1 matches on %08x.app, success!\n", content->cid);
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else
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{
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gprintf("sha1 mismatch on %08x.app!\n", content->cid);
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hash_errors++;
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}
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}
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fsop_WriteFile(fmt("%s/ticket/%08x/%08x.tik", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF), tik_buf, hdr.tik_len);
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fsop_WriteFile(fmt("%s/title/%08x/%08x/content/title.tmd", EmuNAND, (u32)(tid>>32), (u32)tid&0xFFFFFFFF), tmd_buf, hdr.tmd_len);
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free(tik_buf);
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free(tmd_buf);
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return hash_errors;
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}
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s16 m_wadBtnInstall;
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s16 m_wadLblTitle;
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s16 m_wadLblDialog;
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void CMenu::_showWad()
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{
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m_btnMgr.show(m_wadBtnInstall);
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m_btnMgr.show(m_wadLblTitle);
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m_btnMgr.show(m_wadLblDialog);
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/* partition selection */
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m_btnMgr.show(m_configLblPartitionName);
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m_btnMgr.show(m_configLblPartition);
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m_btnMgr.show(m_configBtnPartitionP);
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m_btnMgr.show(m_configBtnPartitionM);
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}
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void CMenu::_hideWad(bool instant)
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{
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m_btnMgr.hide(m_wadBtnInstall, instant);
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m_btnMgr.hide(m_wadLblTitle, instant);
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m_btnMgr.hide(m_wadLblDialog, instant);
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/* partition selection */
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m_btnMgr.hide(m_configLblPartitionName);
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m_btnMgr.hide(m_configLblPartition);
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m_btnMgr.hide(m_configBtnPartitionP);
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m_btnMgr.hide(m_configBtnPartitionM);
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}
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void CMenu::_Wad(const char *wad_path)
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{
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if(wad_path == NULL)
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return;
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u8 part = currentPartition;
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m_btnMgr.setText(m_wadLblDialog, wfmt(_fmt("wad3", L"Selected %s, after the installation you return to the explorer."), (strrchr(wad_path, '/')+1)));
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m_btnMgr.setText(m_configLblPartition, upperCase(DeviceName[currentPartition]));
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_showWad();
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while(!m_exit)
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{
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_mainLoopCommon();
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if(BTN_HOME_PRESSED || BTN_B_PRESSED)
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break;
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else if(BTN_A_PRESSED)
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{
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if(m_btnMgr.selected(m_wadBtnInstall))
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{
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_hideWad(true);
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m_btnMgr.setText(m_wbfsLblMessage, _t("wad4", L"Installing WAD, please wait..."));
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m_btnMgr.show(m_wbfsLblMessage, true);
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/* who cares about making a thread, just refresh a second */
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for(u8 i = 0; i < 60; ++i)
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_mainLoopCommon();
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/* setup emu nand paths */
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const char *emu_char = m_cfg.getString(CHANNEL_DOMAIN, "path", "/").c_str();
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NandHandle.SetPaths(emu_char, DeviceName[currentPartition]);
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int result = installWad(wad_path);
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if(result < 0)
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m_btnMgr.setText(m_wbfsLblMessage, wfmt(_fmt("wad5", L"Installation error %i!"), result));
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else
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m_btnMgr.setText(m_wbfsLblMessage, wfmt(_fmt("wad6", L"Installation finished with %i hash fails."), result));
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}
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else if((m_btnMgr.selected(m_configBtnPartitionP) || m_btnMgr.selected(m_configBtnPartitionM)))
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{
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s8 direction = m_btnMgr.selected(m_configBtnPartitionP) ? 1 : -1;
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_setPartition(direction);
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m_btnMgr.setText(m_configLblPartition, upperCase(DeviceName[currentPartition]));
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}
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}
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}
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currentPartition = part;
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_hideWad();
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/* onscreen message might be onscreen still */
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m_btnMgr.hide(m_wbfsLblMessage);
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}
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void CMenu::_initWad()
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{
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m_wadLblTitle = _addTitle("WAD/TITLE", theme.titleFont, L"", 20, 30, 600, 60, theme.titleFontColor, FTGX_JUSTIFY_CENTER | FTGX_ALIGN_MIDDLE);
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m_wadLblDialog = _addLabel("WAD/DIALOG", theme.lblFont, L"", 40, 90, 560, 200, theme.lblFontColor, FTGX_JUSTIFY_LEFT | FTGX_ALIGN_MIDDLE);
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m_wadBtnInstall = _addButton("WAD/INSTALL_BTN", theme.btnFont, L"", 420, 400, 200, 56, theme.btnFontColor);
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_setHideAnim(m_wadLblTitle, "WAD/TITLE", 0, 0, -2.f, 0.f);
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_setHideAnim(m_wadLblDialog, "WAD/DIALOG", 0, 0, -2.f, 0.f);
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_setHideAnim(m_wadBtnInstall, "WAD/INSTALL_BTN", 0, 0, -2.f, 0.f);
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_hideWad(true);
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_textWad();
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}
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void CMenu::_textWad()
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{
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m_btnMgr.setText(m_wadLblTitle, _t("wad1", L"Install WAD"));
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m_btnMgr.setText(m_wadBtnInstall, _t("wad2", L"Go"));
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}
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