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hactool/main.c
Michael Scire 64e6de3a5c Mention XCI support in usage.
2018-02-04 19:09:53 -08:00

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#include <getopt.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "types.h"
#include "utils.h"
#include "settings.h"
#include "pki.h"
#include "nca.h"
#include "xci.h"
static char *prog_name = "hactool";
/* Print usage. Taken largely from ctrtool. */
static void usage(void) {
fprintf(stderr,
"hactool (c) SciresM.\n"
"Built: %s %s\n"
"\n"
"Usage: %s [options...] <file>\n"
"Options:\n"
"-i, --info Show file info.\n"
" This is the default action.\n"
"-x, --extract Extract data from file.\n"
" This is also the default action.\n"
" -r, --raw Keep raw data, don't unpack.\n"
" -y, --verify Verify hashes and signatures.\n"
" -d, --dev Decrypt with development keys instead of retail.\n"
" -t, --intype=type Specify input file type [nca, xci, pfs0, romfs, hfs0]\n"
" --titlekey=key Set title key for Rights ID crypto titles.\n"
" --contentkey=key Set raw key for NCA body decryption.\n"
"NCA options:\n"
" --plaintext=file Specify file path for saving a decrypted copy of the NCA.\n"
" --header=file Specify Header file path.\n"
" --section0=file Specify Section 0 file path.\n"
" --section1=file Specify Section 1 file path.\n"
" --section2=file Specify Section 2 file path.\n"
" --section3=file Specify Section 3 file path.\n"
" --section0dir=dir Specify Section 0 directory path.\n"
" --section1dir=dir Specify Section 1 directory path.\n"
" --section2dir=dir Specify Section 2 directory path.\n"
" --section3dir=dir Specify Section 3 directory path.\n"
" --exefs=file Specify ExeFS file path. Overrides appropriate section file path.\n"
" --exefsdir=dir Specify ExeFS directory path. Overrides appropriate section directory path.\n"
" --romfs=file Specify RomFS file path. Overrides appropriate section file path.\n"
" --romfsdir=dir Specify RomFS directory path. Overrides appropriate section directory path.\n"
" --listromfs List files in RomFS.\n"
" --baseromfs Set Base RomFS to use with update partitions.\n"
" --basenca Set Base NCA to use with update partitions.\n"
"PFS0 options:\n"
" --pfs0dir=dir Specify PFS0 directory path.\n"
" --outdir=dir Specify PFS0 directory path. Overrides previous path, if present.\n"
" --exefsdir=dir Specify PFS0 directory path. Overrides previous paths, if present for ExeFS PFS0.\n"
"RomFS options:\n"
" --romfsdir=dir Specify RomFS directory path.\n"
" --outdir=dir Specify RomFS directory path. Overrides previous path, if present.\n"
" --listromfs List files in RomFS.\n"
"HFS0 options:\n"
" --hfs0dir=dir Specify HFS0 directory path.\n"
" --outdir=dir Specify HFS0 directory path. Overrides previous path, if present.\n"
" --exefsdir=dir Specify HFS0 directory path. Overrides previous paths, if present.\n"
"XCI options:\n"
" --rootdir=dir Specify XCI root HFS0 directory path.\n"
" --updatedir=dir Specify XCI update HFS0 directory path.\n"
" --normaldir=dir Specify XCI normal HFS0 directory path.\n"
" --securedir=dir Specify XCI secure HFS0 directory path.\n"
" --outdir=dir Specify XCI directory path. Overrides previous paths, if present.\n"
"\n", __TIME__, __DATE__, prog_name);
exit(EXIT_FAILURE);
}
static int ishex(char c) {
if ('a' <= c && c <= 'f') return 1;
if ('A' <= c && c <= 'F') return 1;
if ('0' <= c && c <= '9') return 1;
return 0;
}
static char hextoi(char c) {
if ('a' <= c && c <= 'f') return c - 'a' + 0xA;
if ('A' <= c && c <= 'F') return c - 'A' + 0xA;
if ('0' <= c && c <= '9') return c - '0';
return 0;
}
void parse_hex_key(unsigned char *key, const char *hex) {
if (strlen(hex) != 32) {
fprintf(stderr, "Key must be 32 hex digits!\n");
usage();
}
for (unsigned int i = 0; i < 32; i++) {
if (!ishex(hex[i])) {
fprintf(stderr, "Key must be 32 hex digits!\n");
usage();
}
}
memset(key, 0, 16);
for (unsigned int i = 0; i < 32; i++) {
char val = hextoi(hex[i]);
if ((i & 1) == 0) {
val <<= 4;
}
key[i >> 1] |= val;
}
}
int main(int argc, char **argv) {
hactool_ctx_t tool_ctx;
hactool_ctx_t base_ctx; /* Context for base NCA, if used. */
nca_ctx_t nca_ctx;
char input_name[0x200];
prog_name = (argc < 1) ? "hactool" : argv[0];
nca_init(&nca_ctx);
memset(&tool_ctx, 0, sizeof(tool_ctx));
memset(&base_ctx, 0, sizeof(base_ctx));
memset(input_name, 0, sizeof(input_name));
nca_ctx.tool_ctx = &tool_ctx;
nca_ctx.tool_ctx->file_type = FILETYPE_NCA;
base_ctx.file_type = FILETYPE_NCA;
nca_ctx.tool_ctx->action = ACTION_INFO | ACTION_EXTRACT;
pki_initialize_keyset(&tool_ctx.settings.keyset, KEYSET_RETAIL);
while (1) {
int option_index;
char c;
static struct option long_options[] =
{
{"extract", 0, NULL, 'x'},
{"info", 0, NULL, 'i'},
{"dev", 0, NULL, 'd'},
{"verify", 0, NULL, 'y'},
{"raw", 0, NULL, 'r'},
{"intype", 1, NULL, 't'},
{"section0", 1, NULL, 0},
{"section1", 1, NULL, 1},
{"section2", 1, NULL, 2},
{"section3", 1, NULL, 3},
{"section0dir", 1, NULL, 4},
{"section1dir", 1, NULL, 5},
{"section2dir", 1, NULL, 6},
{"section3dir", 1, NULL, 7},
{"exefs", 1, NULL, 8},
{"romfs", 1, NULL, 9},
{"exefsdir", 1, NULL, 10},
{"romfsdir", 1, NULL, 11},
{"titlekey", 1, NULL, 12},
{"contentkey", 1, NULL, 13},
{"listromfs", 0, NULL, 14},
{"baseromfs", 1, NULL, 15},
{"basenca", 1, NULL, 16},
{"outdir", 1, NULL, 17},
{"plaintext", 1, NULL, 18},
{"header", 1, NULL, 19},
{"pfs0dir", 1, NULL, 20},
{"hfs0dir", 1, NULL, 21},
{"rootdir", 1, NULL, 22},
{"updatedir", 1, NULL, 23},
{"normaldir", 1, NULL, 24},
{"securedir", 1, NULL, 25},
{NULL, 0, NULL, 0},
};
c = getopt_long(argc, argv, "dryxt:i", long_options, &option_index);
if (c == -1)
break;
switch (c)
{
case 'i':
nca_ctx.tool_ctx->action |= ACTION_INFO;
break;
case 'x':
nca_ctx.tool_ctx->action |= ACTION_EXTRACT;
break;
case 'y':
nca_ctx.tool_ctx->action |= ACTION_VERIFY;
break;
case 'r':
nca_ctx.tool_ctx->action |= ACTION_RAW;
break;
case 'd':
pki_initialize_keyset(&tool_ctx.settings.keyset, KEYSET_DEV);
break;
case 't':
if (!strcmp(optarg, "nca")) {
nca_ctx.tool_ctx->file_type = FILETYPE_NCA;
} else if (!strcmp(optarg, "pfs0") || !strcmp(optarg, "exefs")) {
nca_ctx.tool_ctx->file_type = FILETYPE_PFS0;
} else if (!strcmp(optarg, "romfs")) {
nca_ctx.tool_ctx->file_type = FILETYPE_ROMFS;
} else if (!strcmp(optarg, "hfs0")) {
nca_ctx.tool_ctx->file_type = FILETYPE_HFS0;
} else if (!strcmp(optarg, "xci") || !strcmp(optarg, "gamecard") || !strcmp(optarg, "gc")) {
nca_ctx.tool_ctx->file_type = FILETYPE_XCI;
}
/* } else if (!strcmp(optarg, "package2") || !strcmp(optarg, "pk21")) {
* nca_ctx.tool_ctx->file_type = FILETYPE_PACKAGE2;
* }
* } else if (!strcmp(optarg, "package1") || !strcmp(optarg, "pk11")) {
* nca_ctx.tool_ctx->file_type = FILETYPE_PACKAGE1;
* }
*/
break;
case 0: filepath_set(&nca_ctx.tool_ctx->settings.section_paths[0], optarg); break;
case 1: filepath_set(&nca_ctx.tool_ctx->settings.section_paths[1], optarg); break;
case 2: filepath_set(&nca_ctx.tool_ctx->settings.section_paths[2], optarg); break;
case 3: filepath_set(&nca_ctx.tool_ctx->settings.section_paths[3], optarg); break;
case 4: filepath_set(&nca_ctx.tool_ctx->settings.section_dir_paths[0], optarg); break;
case 5: filepath_set(&nca_ctx.tool_ctx->settings.section_dir_paths[1], optarg); break;
case 6: filepath_set(&nca_ctx.tool_ctx->settings.section_dir_paths[2], optarg); break;
case 7: filepath_set(&nca_ctx.tool_ctx->settings.section_dir_paths[3], optarg); break;
case 8:
nca_ctx.tool_ctx->settings.exefs_path.enabled = 1;
filepath_set(&nca_ctx.tool_ctx->settings.exefs_path.path, optarg);
break;
case 9:
nca_ctx.tool_ctx->settings.romfs_path.enabled = 1;
filepath_set(&nca_ctx.tool_ctx->settings.romfs_path.path, optarg);
break;
case 10:
nca_ctx.tool_ctx->settings.exefs_dir_path.enabled = 1;
filepath_set(&nca_ctx.tool_ctx->settings.exefs_dir_path.path, optarg);
break;
case 11:
nca_ctx.tool_ctx->settings.romfs_dir_path.enabled = 1;
filepath_set(&nca_ctx.tool_ctx->settings.romfs_dir_path.path, optarg);
break;
case 12:
parse_hex_key(nca_ctx.tool_ctx->settings.titlekey, optarg);
nca_ctx.tool_ctx->settings.has_titlekey = 1;
break;
case 13:
parse_hex_key(nca_ctx.tool_ctx->settings.contentkey, optarg);
nca_ctx.tool_ctx->settings.has_contentkey = 1;
break;
case 14:
nca_ctx.tool_ctx->action |= ACTION_LISTROMFS;
break;
case 15:
if (nca_ctx.tool_ctx->base_file != NULL) {
usage();
return EXIT_FAILURE;
}
if ((nca_ctx.tool_ctx->base_file = fopen(optarg, "rb")) == NULL) {
fprintf(stderr, "unable to open %s: %s\n", optarg, strerror(errno));
return EXIT_FAILURE;
}
nca_ctx.tool_ctx->base_file_type = BASEFILE_ROMFS;
break;
case 16:
if (nca_ctx.tool_ctx->base_file != NULL) {
usage();
return EXIT_FAILURE;
}
if ((nca_ctx.tool_ctx->base_file = fopen(optarg, "rb")) == NULL) {
fprintf(stderr, "unable to open %s: %s\n", optarg, strerror(errno));
return EXIT_FAILURE;
}
nca_ctx.tool_ctx->base_file_type = BASEFILE_NCA;
nca_ctx.tool_ctx->base_nca_ctx = malloc(sizeof(*nca_ctx.tool_ctx->base_nca_ctx));
if (nca_ctx.tool_ctx->base_nca_ctx == NULL) {
fprintf(stderr, "Failed to allocate base NCA context!\n");
return EXIT_FAILURE;
}
nca_init(nca_ctx.tool_ctx->base_nca_ctx);
base_ctx.file = nca_ctx.tool_ctx->base_file;
nca_ctx.tool_ctx->base_nca_ctx->file = base_ctx.file;
break;
case 17:
tool_ctx.settings.out_dir_path.enabled = 1;
filepath_set(&tool_ctx.settings.out_dir_path.path, optarg);
break;
case 18:
filepath_set(&nca_ctx.tool_ctx->settings.dec_nca_path, optarg);
break;
case 19:
filepath_set(&nca_ctx.tool_ctx->settings.header_path, optarg);
break;
case 20:
filepath_set(&tool_ctx.settings.pfs0_dir_path, optarg);
break;
case 21:
filepath_set(&tool_ctx.settings.hfs0_dir_path, optarg);
break;
case 22:
filepath_set(&tool_ctx.settings.rootpt_dir_path, optarg);
break;
case 23:
filepath_set(&tool_ctx.settings.update_dir_path, optarg);
break;
case 24:
filepath_set(&tool_ctx.settings.normal_dir_path, optarg);
break;
case 25:
filepath_set(&tool_ctx.settings.secure_dir_path, optarg);
break;
default:
usage();
return EXIT_FAILURE;
}
}
if (optind == argc - 1) {
/* Copy input file. */
strncpy(input_name, argv[optind], sizeof(input_name));
} else if ((optind < argc) || (argc == 1)) {
usage();
}
if ((tool_ctx.file = fopen(input_name, "rb")) == NULL) {
fprintf(stderr, "unable to open %s: %s\n", input_name, strerror(errno));
return EXIT_FAILURE;
}
switch (tool_ctx.file_type) {
case FILETYPE_NCA: {
if (nca_ctx.tool_ctx->base_nca_ctx != NULL) {
memcpy(&base_ctx.settings.keyset, &tool_ctx.settings.keyset, sizeof(nca_keyset_t));
nca_ctx.tool_ctx->base_nca_ctx->tool_ctx = &base_ctx;
nca_process(nca_ctx.tool_ctx->base_nca_ctx);
int found_romfs = 0;
for (unsigned int i = 0; i < 4; i++) {
if (nca_ctx.tool_ctx->base_nca_ctx->section_contexts[i].is_present && nca_ctx.tool_ctx->base_nca_ctx->section_contexts[i].type == ROMFS) {
found_romfs = 1;
break;
}
}
if (found_romfs == 0) {
fprintf(stderr, "Unable to locate RomFS in base NCA!\n");
return EXIT_FAILURE;
}
}
nca_ctx.file = tool_ctx.file;
nca_process(&nca_ctx);
nca_free_section_contexts(&nca_ctx);
if (nca_ctx.tool_ctx->base_file != NULL) {
fclose(nca_ctx.tool_ctx->base_file);
if (nca_ctx.tool_ctx->base_file_type == BASEFILE_NCA) {
nca_free_section_contexts(nca_ctx.tool_ctx->base_nca_ctx);
free(nca_ctx.tool_ctx->base_nca_ctx);
}
}
break;
}
case FILETYPE_PFS0: {
pfs0_ctx_t pfs0_ctx;
memset(&pfs0_ctx, 0, sizeof(pfs0_ctx));
pfs0_ctx.file = tool_ctx.file;
pfs0_ctx.tool_ctx = &tool_ctx;
pfs0_process(&pfs0_ctx);
if (pfs0_ctx.header) {
free(pfs0_ctx.header);
}
if (pfs0_ctx.npdm) {
free(pfs0_ctx.npdm);
}
break;
}
case FILETYPE_ROMFS: {
romfs_ctx_t romfs_ctx;
memset(&romfs_ctx, 0, sizeof(romfs_ctx));
romfs_ctx.file = tool_ctx.file;
romfs_ctx.tool_ctx = &tool_ctx;
romfs_process(&romfs_ctx);
if (romfs_ctx.files) {
free(romfs_ctx.files);
}
if (romfs_ctx.directories) {
free(romfs_ctx.directories);
}
break;
}
case FILETYPE_HFS0: {
hfs0_ctx_t hfs0_ctx;
memset(&hfs0_ctx, 0, sizeof(hfs0_ctx));
hfs0_ctx.file = tool_ctx.file;
hfs0_ctx.tool_ctx = &tool_ctx;
hfs0_process(&hfs0_ctx);
if (hfs0_ctx.header) {
free(hfs0_ctx.header);
}
break;
}
case FILETYPE_XCI: {
xci_ctx_t xci_ctx;
memset(&xci_ctx, 0, sizeof(xci_ctx));
xci_ctx.file = tool_ctx.file;
xci_ctx.tool_ctx = &tool_ctx;
xci_process(&xci_ctx);
break;
}
default: {
fprintf(stderr, "Unknown File Type!\n\n");
usage();
}
}
if (tool_ctx.file != NULL) {
fclose(tool_ctx.file);
}
printf("Done!\n");
return EXIT_SUCCESS;
}
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