tomato-testing/other/fun/create_savedata.c

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/* SPDX-License-Identifier: GPL-3.0-or-later
*
* Creates Tox savedata for a given secret key, if provided, or a random key otherwise.
* The data is written to stderr, human-readable key info is written to stdout.
*
* Build: gcc -o create_savedata create_savedata.c -lsodium -ltoxcore -std=c99
*
* Usage: ./create_savedata [secret-key] 2>data
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sodium.h>
#include "../../toxcore/ccompat.h"
#include "../../toxcore/tox.h"
#include "create_common.h"
static bool create_tox(const unsigned char *const secret_key, Tox **const tox)
{
Tox_Err_Options_New options_error;
struct Tox_Options *const options = tox_options_new(&options_error);
if (options_error != TOX_ERR_OPTIONS_NEW_OK) {
tox_options_free(options);
return false;
}
tox_options_set_savedata_type(options, TOX_SAVEDATA_TYPE_SECRET_KEY);
tox_options_set_savedata_data(options, secret_key, crypto_box_SECRETKEYBYTES);
Tox_Err_New tox_error;
*tox = tox_new(options, &tox_error);
if (tox_error != TOX_ERR_NEW_OK) {
tox_options_free(options);
return false;
}
tox_options_free(options);
return true;
}
static bool print_savedata(Tox *const tox)
{
const size_t savedata_size = tox_get_savedata_size(tox);
uint8_t *const savedata = (uint8_t *)malloc(savedata_size);
if (savedata == nullptr) {
return false;
}
tox_get_savedata(tox, savedata);
fwrite(savedata, savedata_size, 1, stderr);
free(savedata);
return true;
}
static bool print_tox_id(const Tox *const tox)
{
uint8_t *const tox_id = (uint8_t *)malloc(tox_address_size());
if (tox_id == nullptr) {
return false;
}
tox_self_get_address(tox, tox_id);
const size_t tox_id_str_size = tox_address_size() * 2 + 1;
char *const tox_id_str = (char *)malloc(tox_id_str_size);
if (tox_id_str == nullptr) {
free(tox_id);
return false;
}
bin2hex_toupper(tox_id_str, tox_id_str_size, tox_id, tox_address_size());
fprintf(stdout, "Tox Id: %s\n", tox_id_str);
free(tox_id_str);
free(tox_id);
return true;
}
int main(const int argc, const char *const argv[])
{
init_sodium();
unsigned char public_key[crypto_box_PUBLICKEYBYTES];
unsigned char secret_key[crypto_box_SECRETKEYBYTES];
handle_args(argc, argv, "Creates Tox savedata", public_key, secret_key);
print_keys(public_key, secret_key);
Tox *tox;
if (!create_tox(secret_key, &tox)) {
printf("Error: Failed to create a Tox instance.\n");
return 1;
}
if (!print_savedata(tox)) {
printf("Error: Failed to print savedata.\n");
tox_kill(tox);
return 1;
}
if (!print_tox_id(tox)) {
printf("Error: Failed to print Tox ID.\n");
tox_kill(tox);
return 1;
}
tox_kill(tox);
return 0;
}