void ncsd_process(ncsd_context* ctx, u32 actions)
{
fseeko64(ctx->file, ctx->offset, SEEK_SET);
fread(&ctx->header, 1, 0x200, ctx->file);
if (getle32(ctx->header.magic) != MAGIC_NCSD)
{
fprintf(stdout, "Error, NCSD segment corrupted\n");
return;
}
if (actions & VerifyFlag)
{
if (ctx->usersettings)
ctx->headersigcheck = ncsd_signature_verify(&ctx->header, &ctx->usersettings->keys.ncsdrsakey);
}
if (actions & InfoFlag)
ncsd_print(ctx);
if(ctx->ncch_index > 7 || ctx->header.partitiongeometry[ctx->ncch_index].size == 0)
{
fprintf(stderr," ERROR NCSD partition %d, does not exist\n",ctx->ncch_index);
return;
}
ncch_set_file(&ctx->ncch, ctx->file);
ncch_set_offset(&ctx->ncch, ctx->header.partitiongeometry[ctx->ncch_index].offset * ncsd_get_mediaunit_size(ctx));
ncch_set_size(&ctx->ncch, ctx->header.partitiongeometry[ctx->ncch_index].size * ncsd_get_mediaunit_size(ctx));
ncch_set_usersettings(&ctx->ncch, ctx->usersettings);
ncch_process(&ctx->ncch, actions);
}
void ncsd_process(ncsd_context* ctx, u32 actions)
{
fseek(ctx->file, ctx->offset, SEEK_SET);
fread(&ctx->header, 1, 0x200, ctx->file);
if (getle32(ctx->header.magic) != MAGIC_NCSD)
{
fprintf(stdout, "Error, NCSD segment corrupted\n");
return;
}
if (actions & VerifyFlag)
{
if (ctx->usersettings)
ctx->headersigcheck = ncsd_signature_verify(&ctx->header, &ctx->usersettings->keys.ncsdrsakey);
}
if (actions & InfoFlag)
ncsd_print(ctx);
ncch_set_file(&ctx->ncch, ctx->file);
ncch_set_offset(&ctx->ncch, 0x4000);
ncch_set_size(&ctx->ncch, ctx->size - 0x4000);
ncch_set_usersettings(&ctx->ncch, ctx->usersettings);
ncch_process(&ctx->ncch, actions);
}
int main(int argc, char* argv[])
{
toolcontext ctx;
u8 magic[4];
char infname[512];
int c;
u32 ncchoffset = ~0;
char keysetfname[512] = "keys.xml";
keyset tmpkeys;
unsigned int checkkeysetfile = 0;
memset(&ctx, 0, sizeof(toolcontext));
ctx.actions = InfoFlag | ExtractFlag;
ctx.filetype = FILETYPE_UNKNOWN;
settings_init(&ctx.usersettings);
keyset_init(&ctx.usersettings.keys);
keyset_init(&tmpkeys);
while (1)
{
int option_index;
static struct option long_options[] =
{
{"extract", 0, NULL, 'x'},
{"plain", 0, NULL, 'p'},
{"info", 0, NULL, 'i'},
{"exefs", 1, NULL, 0},
{"romfs", 1, NULL, 1},
{"exheader", 1, NULL, 2},
{"certs", 1, NULL, 3},
{"tik", 1, NULL, 4},
{"tmd", 1, NULL, 5},
{"contents", 1, NULL, 6},
{"meta", 1, NULL, 7},
{"exefsdir", 1, NULL, 8},
{"keyset", 1, NULL, 'k'},
{"ncch", 1, NULL, 'n'},
{"verbose", 0, NULL, 'v'},
{"verify", 0, NULL, 'y'},
{"raw", 0, NULL, 'r'},
{"unitsize", 1, NULL, 9},
{"showkeys", 0, NULL, 10},
{"commonkey", 1, NULL, 11},
{"ncchkey", 1, NULL, 12},
{"intype", 1, NULL, 't'},
{"lzssout", 1, NULL, 13},
{"firmdir", 1, NULL, 14},
{"ncchsyskey", 1, NULL, 15},
{"wav", 1, NULL, 16},
{"romfsdir", 1, NULL, 17},
{"listromfs", 0, NULL, 18},
{"wavloops", 1, NULL, 19},
{"logo", 1, NULL, 20},
{NULL},
};
c = getopt_long(argc, argv, "ryxivpk:n:t:", long_options, &option_index);
if (c == -1)
break;
switch (c)
{
case 'x':
ctx.actions |= ExtractFlag;
break;
case 'v':
ctx.actions |= VerboseFlag;
break;
case 'y':
ctx.actions |= VerifyFlag;
break;
case 'p':
ctx.actions |= PlainFlag;
break;
case 'r':
ctx.actions |= RawFlag;
break;
case 'i':
ctx.actions |= InfoFlag;
break;
case 'n':
ncchoffset = strtoul(optarg, 0, 0);
break;
case 'k':
strncpy(keysetfname, optarg, sizeof(keysetfname));
checkkeysetfile = 1;
break;
case 't':
if (!strcmp(optarg, "exheader"))
ctx.filetype = FILETYPE_EXHEADER;
else if (!strcmp(optarg, "ncch"))
ctx.filetype = FILETYPE_CXI;
else if (!strcmp(optarg, "ncsd"))
ctx.filetype = FILETYPE_CCI;
else if (!strcmp(optarg, "cia"))
ctx.filetype = FILETYPE_CIA;
else if (!strcmp(optarg, "tmd"))
ctx.filetype = FILETYPE_TMD;
else if (!strcmp(optarg, "lzss"))
ctx.filetype = FILETYPE_LZSS;
else if (!strcmp(optarg, "firm"))
ctx.filetype = FILETYPE_FIRM;
else if (!strcmp(optarg, "cwav"))
ctx.filetype = FILETYPE_CWAV;
else if (!strcmp(optarg, "romfs"))
ctx.filetype = FILETYPE_ROMFS;
break;
case 0:
settings_set_exefs_path(&ctx.usersettings, optarg);
break;
case 1:
settings_set_romfs_path(&ctx.usersettings, optarg);
break;
case 2:
settings_set_exheader_path(&ctx.usersettings, optarg);
break;
case 3:
settings_set_certs_path(&ctx.usersettings, optarg);
break;
case 4:
settings_set_tik_path(&ctx.usersettings, optarg);
break;
case 5:
settings_set_tmd_path(&ctx.usersettings, optarg);
break;
case 6:
settings_set_content_path(&ctx.usersettings, optarg);
break;
case 7:
settings_set_content_path(&ctx.usersettings, optarg);
break;
case 8:
settings_set_exefs_dir_path(&ctx.usersettings, optarg);
break;
case 9:
settings_set_mediaunit_size(&ctx.usersettings, strtoul(optarg, 0, 0));
break;
case 10:
ctx.actions |= ShowKeysFlag;
break;
case 11:
keyset_parse_commonkey(&tmpkeys, optarg, strlen(optarg));
break;
case 12:
keyset_parse_ncchkey(&tmpkeys, optarg, strlen(optarg));
break;
case 13:
settings_set_lzss_path(&ctx.usersettings, optarg);
break;
case 14:
settings_set_firm_dir_path(&ctx.usersettings, optarg);
break;
case 15:
keyset_parse_ncchfixedsystemkey(&tmpkeys, optarg, strlen(optarg));
break;
case 16:
settings_set_wav_path(&ctx.usersettings, optarg);
break;
case 17:
settings_set_romfs_dir_path(&ctx.usersettings, optarg);
break;
case 18:
settings_set_list_romfs_files(&ctx.usersettings, 1);
break;
case 19:
settings_set_cwav_loopcount(&ctx.usersettings, strtoul(optarg, 0, 0));
break;
case 20:
settings_set_logo_path(&ctx.usersettings, optarg);
break;
default:
usage(argv[0]);
}
}
if (optind == argc - 1)
{
// Exactly one extra argument - an input file
strncpy(infname, argv[optind], sizeof(infname));
}
else if ( (optind < argc) || (argc == 1) )
{
// Too many extra args
usage(argv[0]);
}
keyset_load(&ctx.usersettings.keys, keysetfname, (ctx.actions & VerboseFlag) | checkkeysetfile);
keyset_merge(&ctx.usersettings.keys, &tmpkeys);
if (ctx.actions & ShowKeysFlag)
keyset_dump(&ctx.usersettings.keys);
ctx.infile = fopen(infname, "rb");
if (ctx.infile == 0)
{
fprintf(stderr, "error: could not open input file!\n");
return -1;
}
fseek(ctx.infile, 0, SEEK_END);
ctx.infilesize = ftell(ctx.infile);
fseek(ctx.infile, 0, SEEK_SET);
if (ctx.filetype == FILETYPE_UNKNOWN)
{
fseek(ctx.infile, 0x100, SEEK_SET);
fread(&magic, 1, 4, ctx.infile);
switch(getle32(magic))
{
case MAGIC_NCCH:
ctx.filetype = FILETYPE_CXI;
break;
case MAGIC_NCSD:
ctx.filetype = FILETYPE_CCI;
break;
default:
break;
}
}
if (ctx.filetype == FILETYPE_UNKNOWN)
{
fseek(ctx.infile, 0, SEEK_SET);
fread(magic, 1, 4, ctx.infile);
switch(getle32(magic))
{
case 0x2020:
ctx.filetype = FILETYPE_CIA;
break;
case MAGIC_FIRM:
ctx.filetype = FILETYPE_FIRM;
break;
case MAGIC_CWAV:
ctx.filetype = FILETYPE_CWAV;
break;
case MAGIC_IVFC:
ctx.filetype = FILETYPE_ROMFS; // TODO: need to determine more here.. savegames use IVFC too, but is not ROMFS.
break;
}
}
if (ctx.filetype == FILETYPE_UNKNOWN)
{
fprintf(stdout, "Unknown file\n");
exit(1);
}
switch(ctx.filetype)
{
case FILETYPE_CCI:
{
ncsd_context ncsdctx;
ncsd_init(&ncsdctx);
ncsd_set_file(&ncsdctx, ctx.infile);
ncsd_set_size(&ncsdctx, ctx.infilesize);
ncsd_set_usersettings(&ncsdctx, &ctx.usersettings);
ncsd_process(&ncsdctx, ctx.actions);
break;
}
case FILETYPE_FIRM:
{
firm_context firmctx;
firm_init(&firmctx);
firm_set_file(&firmctx, ctx.infile);
firm_set_size(&firmctx, ctx.infilesize);
firm_set_usersettings(&firmctx, &ctx.usersettings);
firm_process(&firmctx, ctx.actions);
break;
}
case FILETYPE_CXI:
{
ncch_context ncchctx;
ncch_init(&ncchctx);
ncch_set_file(&ncchctx, ctx.infile);
ncch_set_size(&ncchctx, ctx.infilesize);
ncch_set_usersettings(&ncchctx, &ctx.usersettings);
ncch_process(&ncchctx, ctx.actions);
break;
}
case FILETYPE_CIA:
{
cia_context ciactx;
cia_init(&ciactx);
cia_set_file(&ciactx, ctx.infile);
cia_set_size(&ciactx, ctx.infilesize);
cia_set_usersettings(&ciactx, &ctx.usersettings);
cia_process(&ciactx, ctx.actions);
break;
}
case FILETYPE_EXHEADER:
{
exheader_context exheaderctx;
exheader_init(&exheaderctx);
exheader_set_file(&exheaderctx, ctx.infile);
exheader_set_size(&exheaderctx, ctx.infilesize);
settings_set_ignore_programid(&ctx.usersettings, 1);
exheader_set_usersettings(&exheaderctx, &ctx.usersettings);
exheader_process(&exheaderctx, ctx.actions);
break;
}
case FILETYPE_TMD:
{
tmd_context tmdctx;
tmd_init(&tmdctx);
tmd_set_file(&tmdctx, ctx.infile);
tmd_set_size(&tmdctx, ctx.infilesize);
tmd_set_usersettings(&tmdctx, &ctx.usersettings);
tmd_process(&tmdctx, ctx.actions);
break;
}
case FILETYPE_LZSS:
{
lzss_context lzssctx;
lzss_init(&lzssctx);
lzss_set_file(&lzssctx, ctx.infile);
lzss_set_size(&lzssctx, ctx.infilesize);
lzss_set_usersettings(&lzssctx, &ctx.usersettings);
lzss_process(&lzssctx, ctx.actions);
break;
}
case FILETYPE_CWAV:
{
cwav_context cwavctx;
cwav_init(&cwavctx);
cwav_set_file(&cwavctx, ctx.infile);
cwav_set_size(&cwavctx, ctx.infilesize);
cwav_set_usersettings(&cwavctx, &ctx.usersettings);
cwav_process(&cwavctx, ctx.actions);
break;
}
case FILETYPE_ROMFS:
{
romfs_context romfsctx;
romfs_init(&romfsctx);
romfs_set_file(&romfsctx, ctx.infile);
romfs_set_size(&romfsctx, ctx.infilesize);
romfs_set_usersettings(&romfsctx, &ctx.usersettings);
romfs_process(&romfsctx, ctx.actions);
break;
}
}
if (ctx.infile)
fclose(ctx.infile);
return 0;
}
int action_parse(toolcontext* ctx, char* fname)
{
u8 magic[4];
ctx->infile = fopen(fname, "rb");
if (ctx->infile == 0)
{
fprintf(stderr, "error: could not open input file!\n");
return -1;
}
fseek(ctx->infile, 0, SEEK_END);
ctx->infilesize = ftell(ctx->infile);
fseek(ctx->infile, 0, SEEK_SET);
if (ctx->filetype == FILETYPE_UNKNOWN)
{
fseek(ctx->infile, 0x100, SEEK_SET);
fread(&magic, 1, 4, ctx->infile);
switch(getle32(magic))
{
case MAGIC_NCCH:
ctx->filetype = FILETYPE_CXI;
break;
case MAGIC_NCSD:
ctx->filetype = FILETYPE_CCI;
break;
default:
break;
}
}
if (ctx->filetype == FILETYPE_UNKNOWN)
{
fseek(ctx->infile, 0, SEEK_SET);
fread(magic, 1, 4, ctx->infile);
switch(getle32(magic))
{
case 0x2020:
ctx->filetype = FILETYPE_CIA;
break;
case MAGIC_FIRM:
ctx->filetype = FILETYPE_FIRM;
break;
case MAGIC_CWAV:
ctx->filetype = FILETYPE_CWAV;
break;
case MAGIC_IVFC:
ctx->filetype = FILETYPE_ROMFS; // TODO: need to determine more here.. savegames use IVFC too, but is not ROMFS.
break;
}
}
if (ctx->filetype == FILETYPE_UNKNOWN)
{
fprintf(stdout, "Unknown file\n");
exit(1);
}
switch(ctx->filetype)
{
case FILETYPE_CCI:
{
ncsd_context ncsdctx;
ncsd_init(&ncsdctx);
ncsd_set_file(&ncsdctx, ctx->infile);
ncsd_set_size(&ncsdctx, ctx->infilesize);
ncsd_set_usersettings(&ncsdctx, &ctx->usersettings);
ncsd_process(&ncsdctx, ctx->actions);
break;
}
case FILETYPE_FIRM:
{
firm_context firmctx;
firm_init(&firmctx);
firm_set_file(&firmctx, ctx->infile);
firm_set_size(&firmctx, ctx->infilesize);
firm_set_usersettings(&firmctx, &ctx->usersettings);
firm_process(&firmctx, ctx->actions);
break;
}
case FILETYPE_CXI:
{
ncch_context ncchctx;
ncch_init(&ncchctx);
ncch_set_file(&ncchctx, ctx->infile);
ncch_set_size(&ncchctx, ctx->infilesize);
ncch_set_usersettings(&ncchctx, &ctx->usersettings);
ncch_process(&ncchctx, ctx->actions);
break;
}
case FILETYPE_CIA:
{
cia_context ciactx;
cia_init(&ciactx);
cia_set_file(&ciactx, ctx->infile);
cia_set_size(&ciactx, ctx->infilesize);
cia_set_usersettings(&ciactx, &ctx->usersettings);
cia_process(&ciactx, ctx->actions);
break;
}
case FILETYPE_EXHEADER:
{
exheader_context exheaderctx;
exheader_init(&exheaderctx);
exheader_set_file(&exheaderctx, ctx->infile);
exheader_set_size(&exheaderctx, ctx->infilesize);
settings_set_ignore_programid(&ctx->usersettings, 1);
exheader_set_usersettings(&exheaderctx, &ctx->usersettings);
exheader_process(&exheaderctx, ctx->actions);
break;
}
case FILETYPE_TMD:
{
tmd_context tmdctx;
tmd_init(&tmdctx);
tmd_set_file(&tmdctx, ctx->infile);
tmd_set_size(&tmdctx, ctx->infilesize);
tmd_set_usersettings(&tmdctx, &ctx->usersettings);
tmd_process(&tmdctx, ctx->actions);
break;
}
case FILETYPE_LZSS:
{
lzss_context lzssctx;
lzss_init(&lzssctx);
lzss_set_file(&lzssctx, ctx->infile);
lzss_set_size(&lzssctx, ctx->infilesize);
lzss_set_usersettings(&lzssctx, &ctx->usersettings);
lzss_process(&lzssctx, ctx->actions);
break;
}
case FILETYPE_CWAV:
{
cwav_context cwavctx;
cwav_init(&cwavctx);
cwav_set_file(&cwavctx, ctx->infile);
cwav_set_size(&cwavctx, ctx->infilesize);
cwav_set_usersettings(&cwavctx, &ctx->usersettings);
cwav_process(&cwavctx, ctx->actions);
break;
}
case FILETYPE_EXEFS:
{
exefs_context exefsctx;
exefs_init(&exefsctx);
exefs_set_file(&exefsctx, ctx->infile);
exefs_set_size(&exefsctx, ctx->infilesize);
exefs_set_usersettings(&exefsctx, &ctx->usersettings);
exefs_process(&exefsctx, ctx->actions);
break;
}
case FILETYPE_ROMFS:
{
romfs_context romfsctx;
romfs_init(&romfsctx);
romfs_set_file(&romfsctx, ctx->infile);
romfs_set_size(&romfsctx, ctx->infilesize);
romfs_set_usersettings(&romfsctx, &ctx->usersettings);
romfs_process(&romfsctx, ctx->actions);
break;
}
}
if (ctx->infile)
fclose(ctx->infile);
return 0;
}