hactool/kip.c

304 lines
12 KiB
C

#include <string.h>
#include <stdio.h>
#include "kip.h"
#include "npdm.h"
#include "cJSON.h"
void ini1_process(ini1_ctx_t *ctx) {
/* Read *just* safe amount. */
ini1_header_t raw_header;
fseeko64(ctx->file, 0, SEEK_SET);
if (fread(&raw_header, 1, sizeof(raw_header), ctx->file) != sizeof(raw_header)) {
fprintf(stderr, "Failed to read INI1 header!\n");
exit(EXIT_FAILURE);
}
if (raw_header.magic != MAGIC_INI1 || raw_header.num_processes > INI1_MAX_KIPS) {
printf("Error: INI1 is corrupt!\n");
exit(EXIT_FAILURE);
}
ctx->header = malloc(raw_header.size);
if (ctx->header == NULL) {
fprintf(stderr, "Failed to allocate INI1 header!\n");
exit(EXIT_FAILURE);
}
fseeko64(ctx->file, 0, SEEK_SET);
if (fread(ctx->header, 1, raw_header.size, ctx->file) != raw_header.size) {
fprintf(stderr, "Failed to read INI1!\n");
exit(EXIT_FAILURE);
}
uint64_t offset = 0;
for (unsigned int i = 0; i < ctx->header->num_processes; i++) {
ctx->kips[i].tool_ctx = ctx->tool_ctx;
ctx->kips[i].header = (kip1_header_t *)&ctx->header->kip_data[offset];
if (ctx->kips[i].header->magic != MAGIC_KIP1) {
fprintf(stderr, "INI1 is corrupted!\n");
exit(EXIT_FAILURE);
}
offset += kip1_get_size(&ctx->kips[i]);
}
if (ctx->tool_ctx->action & ACTION_INFO) {
ini1_print(ctx);
}
if (ctx->tool_ctx->action & ACTION_EXTRACT) {
ini1_save(ctx);
}
}
void ini1_print(ini1_ctx_t *ctx) {
printf("INI1:\n");
printf(" Number of Processes: %02"PRIx32"\n", ctx->header->num_processes);
printf(" Size: %08"PRIx32"\n", ctx->header->size);
printf("\n");
for (unsigned int i = 0; i < ctx->header->num_processes; i++) {
printf("Process %02"PRIx32":\n", i);
kip1_print(&ctx->kips[i], 1);
printf("\n");
}
printf("\n");
}
void ini1_save(ini1_ctx_t *ctx) {
filepath_t *dirpath = NULL;
if (ctx->tool_ctx->file_type == FILETYPE_INI1 && ctx->tool_ctx->settings.out_dir_path.enabled) {
dirpath = &ctx->tool_ctx->settings.out_dir_path.path;
}
if (dirpath == NULL || dirpath->valid != VALIDITY_VALID) {
dirpath = &ctx->tool_ctx->settings.ini1_dir_path;
}
if (dirpath != NULL && dirpath->valid == VALIDITY_VALID) {
os_makedir(dirpath->os_path);
for (unsigned int i = 0; i < ctx->header->num_processes; i++) {
char padded_name[0x20];
memset(&padded_name, 0, sizeof(padded_name));
memcpy(&padded_name, ctx->kips[i].header->name, sizeof(ctx->kips[i].header->name));
strcat(padded_name, ".kip1");
printf("Saving %s to %s/%s...\n", padded_name, dirpath->char_path, padded_name);
save_buffer_to_directory_file(ctx->kips[i].header, kip1_get_size(&ctx->kips[i]), dirpath, padded_name);
if (ctx->tool_ctx->action & ACTION_SAVEINIJSON) {
printf("SAVING INI JSON!\n");
memset(&padded_name, 0, sizeof(padded_name));
memcpy(&padded_name, ctx->kips[i].header->name, sizeof(ctx->kips[i].header->name));
strcat(padded_name, ".json");
filepath_t json_path;
filepath_init(&json_path);
filepath_copy(&json_path, dirpath);
filepath_append(&json_path, padded_name);
FILE *f_json = os_fopen(json_path.os_path, OS_MODE_WRITE);
if (f_json == NULL) {
fprintf(stderr, "Failed to open %s!\n", json_path.char_path);
return;
}
const char *json = kip1_get_json(&ctx->kips[i]);
if (fwrite(json, 1, strlen(json), f_json) != strlen(json)) {
fprintf(stderr, "Failed to write JSON file!\n");
exit(EXIT_FAILURE);
}
fclose(f_json);
}
}
}
}
char *kip1_get_json(kip1_ctx_t *ctx) {
cJSON *kip_json = cJSON_CreateObject();
char *output_str = NULL;
char work_buffer[0x300] = {0};
/* Add KIP1 header fields. */
strcpy(work_buffer, ctx->header->name);
cJSON_AddStringToObject(kip_json, "name", work_buffer);
cJSON_AddU64ToObject(kip_json, "title_id", ctx->header->title_id);
cJSON_AddU32ToObject(kip_json, "main_thread_stack_size", ctx->header->section_headers[1].attribute);
cJSON_AddNumberToObject(kip_json, "main_thread_priority", ctx->header->main_thread_priority);
cJSON_AddNumberToObject(kip_json, "default_cpu_id", ctx->header->default_core);
cJSON_AddNumberToObject(kip_json, "process_category", ctx->header->process_category);
/* Add KAC. */
cJSON *kac_json = kac_get_json(ctx->header->capabilities, sizeof(ctx->header->capabilities) / sizeof(uint32_t));
cJSON_AddItemToObject(kip_json, "kernel_capabilities", kac_json);
output_str = cJSON_Print(kip_json);
cJSON_Delete(kip_json);
return output_str;
}
static void kip1_blz_uncompress(void *hdr_end) {
uint32_t addl_size = ((uint32_t *)hdr_end)[-1];
uint32_t header_size = ((uint32_t *)hdr_end)[-2];
uint32_t cmp_and_hdr_size = ((uint32_t *)hdr_end)[-3];
unsigned char *cmp_start = (unsigned char *)(((uintptr_t)hdr_end) - cmp_and_hdr_size);
uint32_t cmp_ofs = cmp_and_hdr_size - header_size;
uint32_t out_ofs = cmp_and_hdr_size + addl_size;
while (out_ofs) {
unsigned char control = cmp_start[--cmp_ofs];
for (unsigned int i = 0; i < 8; i++) {
if (control & 0x80) {
if (cmp_ofs < 2) {
fprintf(stderr, "KIP1 decompression out of bounds!\n");
exit(EXIT_FAILURE);
}
cmp_ofs -= 2;
uint16_t seg_val = ((unsigned int)cmp_start[cmp_ofs+1] << 8) | cmp_start[cmp_ofs];
uint32_t seg_size = ((seg_val >> 12) & 0xF) + 3;
uint32_t seg_ofs = (seg_val & 0x0FFF) + 3;
if (out_ofs < seg_size) {
/* Kernel restricts segment copy to stay in bounds. */
seg_size = out_ofs;
}
out_ofs -= seg_size;
for (unsigned int j = 0; j < seg_size; j++) {
cmp_start[out_ofs + j] = cmp_start[out_ofs + j + seg_ofs];
}
} else {
/* Copy directly. */
if (cmp_ofs < 1) {
fprintf(stderr, "KIP1 decompression out of bounds!\n");
exit(EXIT_FAILURE);
}
cmp_start[--out_ofs] = cmp_start[--cmp_ofs];
}
control <<= 1;
if (out_ofs == 0) {
return;
}
}
}
}
static void *kip1_uncompress(kip1_ctx_t *ctx, uint64_t *size) {
/* Make new header with correct sizes, fixed flags. */
kip1_header_t new_header = *ctx->header;
for (unsigned int i = 0; i < 3; i++) {
new_header.section_headers[i].compressed_size = new_header.section_headers[i].out_size;
}
new_header.flags &= 0xF8;
*size = kip1_get_size_from_header(&new_header);
unsigned char *new_kip = calloc(1, *size);
if (new_kip == NULL) {
fprintf(stderr, "Failed to allocate uncompressed KIP1!\n");
exit(EXIT_FAILURE);
}
*((kip1_header_t *)new_kip) = new_header;
uint64_t new_offset = 0x100;
uint64_t old_offset = 0x100;
for (unsigned int i = 0; i < 3; i++) {
// Copy in section data */
memcpy(new_kip + new_offset, (unsigned char *)ctx->header + old_offset, ctx->header->section_headers[i].compressed_size);
kip1_blz_uncompress(new_kip + new_offset + ctx->header->section_headers[i].compressed_size);
new_offset += ctx->header->section_headers[i].out_size;
old_offset += ctx->header->section_headers[i].compressed_size;
}
return new_kip;
}
void kip1_process(kip1_ctx_t *ctx) {
/* Read *just* safe amount. */
kip1_header_t raw_header;
fseeko64(ctx->file, 0, SEEK_SET);
if (fread(&raw_header, 1, sizeof(raw_header), ctx->file) != sizeof(raw_header)) {
fprintf(stderr, "Failed to read KIP1 header!\n");
exit(EXIT_FAILURE);
}
if (raw_header.magic != MAGIC_KIP1) {
printf("Error: KIP1 is corrupt!\n");
exit(EXIT_FAILURE);
}
uint64_t size = kip1_get_size_from_header(&raw_header);
ctx->header = malloc(size);
if (ctx->header == NULL) {
fprintf(stderr, "Failed to allocate KIP1!\n");
exit(EXIT_FAILURE);
}
fseeko64(ctx->file, 0, SEEK_SET);
if (fread(ctx->header, 1, size, ctx->file) != size) {
fprintf(stderr, "Failed to read KIP1!\n");
exit(EXIT_FAILURE);
}
if (ctx->tool_ctx->action & ACTION_INFO) {
kip1_print(ctx, 0);
}
if (ctx->tool_ctx->action & ACTION_EXTRACT) {
kip1_save(ctx);
}
}
void kip1_print(kip1_ctx_t *ctx, int suppress) {
if (!suppress) printf("KIP1:\n");
printf(" Title ID: %016"PRIx64"\n", ctx->header->title_id);
char padded_name[13];
memset(&padded_name, 0, sizeof(padded_name));
memcpy(&padded_name, ctx->header->name, sizeof(ctx->header->name));
printf(" Name: %s\n", padded_name);
printf(" Process Category: %s\n", npdm_get_proc_category(ctx->header->process_category));
printf(" Main Thread Priority: %"PRId8"\n", ctx->header->main_thread_priority);
printf(" Default CPU Core: %"PRId8"\n", ctx->header->default_core);
printf(" Is 64 Bit: %s\n", (ctx->header->flags & (1 << 3)) ? "True" : "False");
printf(" Is Address Space 64 Bit: %s\n", (ctx->header->flags & (1 << 4)) ? "True" : "False");
printf(" Sections:\n");
printf(" .text: %08"PRIx32"-%08"PRIx32"\n", ctx->header->section_headers[0].out_offset, ctx->header->section_headers[0].out_offset + align(ctx->header->section_headers[0].out_size, 0x1000));
printf(" .rodata: %08"PRIx32"-%08"PRIx32"\n", ctx->header->section_headers[1].out_offset, ctx->header->section_headers[1].out_offset + align(ctx->header->section_headers[1].out_size, 0x1000));
printf(" .rwdata: %08"PRIx32"-%08"PRIx32"\n", ctx->header->section_headers[2].out_offset, ctx->header->section_headers[2].out_offset + align(ctx->header->section_headers[2].out_size, 0x1000));
printf(" .bss: %08"PRIx32"-%08"PRIx32"\n", ctx->header->section_headers[3].out_offset, ctx->header->section_headers[3].out_offset + align(ctx->header->section_headers[3].out_size, 0x1000));
printf(" Kernel Access Control:\n");
kac_print(ctx->header->capabilities, 0x20);
printf("\n");
}
void kip1_save(kip1_ctx_t *ctx) {
filepath_t *json_path = &ctx->tool_ctx->settings.npdm_json_path;
filepath_t *uncmp_path = &ctx->tool_ctx->settings.uncompressed_path;
if (ctx->tool_ctx->file_type == FILETYPE_KIP1) {
if (json_path->valid == VALIDITY_VALID) {
FILE *f_json = os_fopen(json_path->os_path, OS_MODE_WRITE);
if (f_json == NULL) {
fprintf(stderr, "Failed to open %s!\n", json_path->char_path);
return;
}
char *json = kip1_get_json(ctx);
if (json == NULL) {
fprintf(stderr, "Failed to allocate KIP1 JSON\n");
exit(EXIT_FAILURE);
}
if (fwrite(json, 1, strlen(json), f_json) != strlen(json)) {
fprintf(stderr, "Failed to write JSON file!\n");
exit(EXIT_FAILURE);
}
cJSON_free(json);
fclose(f_json);
}
if (uncmp_path->valid == VALIDITY_VALID) {
FILE *f_uncmp = os_fopen(uncmp_path->os_path, OS_MODE_WRITE);
if (f_uncmp == NULL) {
fprintf(stderr, "Failed to open %s!\n", uncmp_path->char_path);
return;
}
uint64_t sz = 0;
void *uncmp = kip1_uncompress(ctx, &sz);
if (fwrite(uncmp, 1, sz, f_uncmp) != sz) {
fprintf(stderr, "Failed to write uncompressed kip!\n");
exit(EXIT_FAILURE);
}
free(uncmp);
fclose(f_uncmp);
}
}
}