int store_data(Tox *m, const char *path)
{
if (path == NULL)
return -1;
FILE *fp = fopen(TEMP_PROFILE_SAVE_NAME, "wb");
if (fp == NULL)
return -1;
size_t data_len = tox_get_savedata_size(m);
char data[data_len];
tox_get_savedata(m, (uint8_t *) data);
if (user_password.data_is_encrypted && !arg_opts.unencrypt_data) {
size_t enc_len = data_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
char enc_data[enc_len];
TOX_ERR_ENCRYPTION err;
tox_pass_encrypt((uint8_t *) data, data_len, (uint8_t *) user_password.pass, user_password.len,
(uint8_t *) enc_data, &err);
if (err != TOX_ERR_ENCRYPTION_OK) {
fprintf(stderr, "tox_pass_encrypt() failed with error %d\n", err);
fclose(fp);
return -1;
}
if (fwrite(enc_data, enc_len, 1, fp) != 1) {
fclose(fp);
return -1;
}
} else { /* data will not be encrypted */
if (fwrite(data, data_len, 1, fp) != 1) {
fclose(fp);
return -1;
}
}
fclose(fp);
if (rename(TEMP_PROFILE_SAVE_NAME, path) != 0)
return -1;
return 0;
}
END_TEST
START_TEST(test_keys)
{
TOX_ERR_ENCRYPTION encerr;
TOX_ERR_DECRYPTION decerr;
TOX_ERR_KEY_DERIVATION keyerr;
TOX_PASS_KEY key;
bool ret = tox_derive_key_from_pass("123qweasdzxc", 12, &key, &keyerr);
ck_assert_msg(ret, "generic failure 1: %u", keyerr);
uint8_t *string = "No Patrick, mayonnaise is not an instrument."; // 44
uint8_t encrypted[44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH];
ret = tox_pass_key_encrypt(string, 44, &key, encrypted, &encerr);
ck_assert_msg(ret, "generic failure 2: %u", encerr);
uint8_t encrypted2[44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH];
ret = tox_pass_encrypt(string, 44, "123qweasdzxc", 12, encrypted2, &encerr);
ck_assert_msg(ret, "generic failure 3: %u", encerr);
uint8_t out1[44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH];
uint8_t out2[44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH];
ret = tox_pass_key_decrypt(encrypted, 44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH, &key, out1, &decerr);
ck_assert_msg(ret, "generic failure 4: %u", decerr);
ck_assert_msg(memcmp(out1, string, 44) == 0, "decryption 1 failed");
ret = tox_pass_decrypt(encrypted2, 44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH, "123qweasdzxc", 12, out2, &decerr);
ck_assert_msg(ret, "generic failure 5: %u", decerr);
ck_assert_msg(memcmp(out2, string, 44) == 0, "decryption 2 failed");
// test that pass_decrypt can decrypt things from pass_key_encrypt
ret = tox_pass_decrypt(encrypted, 44 + TOX_PASS_ENCRYPTION_EXTRA_LENGTH, "123qweasdzxc", 12, out1, &decerr);
ck_assert_msg(ret, "generic failure 6: %u", decerr);
ck_assert_msg(memcmp(out1, string, 44) == 0, "decryption 3 failed");
uint8_t salt[TOX_PASS_SALT_LENGTH];
ck_assert_msg(tox_get_salt(encrypted, salt), "couldn't get salt");
TOX_PASS_KEY key2;
ret = tox_derive_key_with_salt("123qweasdzxc", 12, salt, &key2, &keyerr);
ck_assert_msg(ret, "generic failure 7: %u", keyerr);
ck_assert_msg(0 == memcmp(&key, &key2, sizeof(TOX_PASS_KEY)), "salt comparison failed");
}
void CToxProto::SaveToxProfile(CToxThread *toxThread)
{
mir_cslock locker(profileLock);
if (!toxThread)
return;
size_t size = tox_get_savedata_size(toxThread->Tox());
uint8_t *data = (uint8_t*)mir_calloc(size + TOX_PASS_ENCRYPTION_EXTRA_LENGTH);
tox_get_savedata(toxThread->Tox(), data);
pass_ptrA password(mir_utf8encodeW(pass_ptrT(getTStringA("Password"))));
if (password && mir_strlen(password))
{
TOX_ERR_ENCRYPTION coreEncryptError;
if (!tox_pass_encrypt(data, size, (uint8_t*)(char*)password, mir_strlen(password), data, &coreEncryptError))
{
debugLogA(__FUNCTION__": failed to encrypt tox profile");
mir_free(data);
return;
}
size += TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
}
ptrT profilePath(GetToxProfilePath());
FILE *profile = _tfopen(profilePath, _T("wb"));
if (profile == NULL)
{
debugLogA(__FUNCTION__": failed to open tox profile");
mir_free(data);
return;
}
size_t written = fwrite(data, sizeof(char), size, profile);
if (size != written)
{
debugLogA(__FUNCTION__": failed to write tox profile");
}
fclose(profile);
mir_free(data);
}
void CToxProto::SaveToxProfile()
{
mir_cslock locker(profileLock);
size_t size = tox_get_savedata_size(tox);
uint8_t *data = (uint8_t*)mir_calloc(size + TOX_PASS_ENCRYPTION_EXTRA_LENGTH);
tox_get_savedata(tox, data);
size_t passwordLen = mir_strlen(password);
if (password && passwordLen)
{
TOX_ERR_ENCRYPTION coreEncryptError;
if (!tox_pass_encrypt(data, size, (uint8_t*)password, passwordLen, data, &coreEncryptError))
{
debugLogA(__FUNCTION__": failed to encrypt tox profile");
mir_free(data);
return;
}
size += TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
}
std::tstring profilePath = GetToxProfilePath();
FILE *profile = _tfopen(profilePath.c_str(), _T("wb"));
if (profile == NULL)
{
debugLogA(__FUNCTION__": failed to open tox profile");
mir_free(data);
return;
}
size_t written = fwrite(data, sizeof(char), size, profile);
if (size != written)
{
debugLogA(__FUNCTION__": failed to write tox profile");
}
fclose(profile);
mir_free(data);
}
int store_data(Tox *m, const char *path)
{
if (path == NULL) {
return -1;
}
char temp_path[strlen(path) + strlen(TEMP_PROFILE_EXT) + 1];
snprintf(temp_path, sizeof(temp_path), "%s%s", path, TEMP_PROFILE_EXT);
FILE *fp = fopen(temp_path, "wb");
if (fp == NULL) {
return -1;
}
size_t data_len = tox_get_savedata_size(m);
char *data = malloc(data_len * sizeof(char));
if (data == NULL) {
fclose(fp);
return -1;
}
tox_get_savedata(m, (uint8_t *) data);
if (user_password.data_is_encrypted && !arg_opts.unencrypt_data) {
size_t enc_len = data_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
char *enc_data = malloc(enc_len * sizeof(char));
if (enc_data == NULL) {
fclose(fp);
free(data);
return -1;
}
TOX_ERR_ENCRYPTION err;
tox_pass_encrypt((uint8_t *) data, data_len, (uint8_t *) user_password.pass, user_password.len,
(uint8_t *) enc_data, &err);
if (err != TOX_ERR_ENCRYPTION_OK) {
fprintf(stderr, "tox_pass_encrypt() failed with error %d\n", err);
fclose(fp);
free(data);
free(enc_data);
return -1;
}
if (fwrite(enc_data, enc_len, 1, fp) != 1) {
fprintf(stderr, "Failed to write profile data.\n");
fclose(fp);
free(data);
free(enc_data);
return -1;
}
free(enc_data);
} else { /* data will not be encrypted */
if (fwrite(data, data_len, 1, fp) != 1) {
fprintf(stderr, "Failed to write profile data.\n");
fclose(fp);
free(data);
return -1;
}
}
fclose(fp);
free(data);
if (rename(temp_path, path) != 0) {
return -1;
}
return 0;
}
END_TEST
START_TEST(test_save_friend)
{
Tox *tox1 = tox_new(0, 0);
Tox *tox2 = tox_new(0, 0);
ck_assert_msg(tox1 || tox2, "Failed to create 2 tox instances");
uint32_t to_compare = 974536;
tox_callback_friend_request(tox2, accept_friend_request, &to_compare);
uint8_t address[TOX_ADDRESS_SIZE];
tox_self_get_address(tox2, address);
uint32_t test = tox_friend_add(tox1, address, (uint8_t *)"Gentoo", 7, 0);
ck_assert_msg(test != UINT32_MAX, "Failed to add friend");
size_t size = tox_get_savedata_size(tox1);
uint8_t data[size];
tox_get_savedata(tox1, data);
size_t size2 = size + TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
uint8_t enc_data[size2];
TOX_ERR_ENCRYPTION error1;
bool ret = tox_pass_encrypt(data, size, "correcthorsebatterystaple", 25, enc_data, &error1);
ck_assert_msg(ret, "failed to encrypted save: %u", error1);
ck_assert_msg(tox_is_data_encrypted(enc_data), "magic number missing");
struct Tox_Options options;
tox_options_default(&options);
options.savedata_type = TOX_SAVEDATA_TYPE_TOX_SAVE;
options.savedata_data = enc_data;
options.savedata_length = size2;
TOX_ERR_NEW err2;
Tox *tox3 = tox_new(&options, &err2);
ck_assert_msg(err2 == TOX_ERR_NEW_LOAD_ENCRYPTED, "wrong error! %u. should fail with %u", err2,
TOX_ERR_NEW_LOAD_ENCRYPTED);
uint8_t dec_data[size];
TOX_ERR_DECRYPTION err3;
ret = tox_pass_decrypt(enc_data, size2, "correcthorsebatterystaple", 25, dec_data, &err3);
ck_assert_msg(ret, "failed to decrypt save: %u", err3);
options.savedata_data = dec_data;
options.savedata_length = size;
tox3 = tox_new(&options, &err2);
ck_assert_msg(err2 == TOX_ERR_NEW_OK, "failed to load from decrypted data: %u", err2);
uint8_t address2[TOX_PUBLIC_KEY_SIZE];
ret = tox_friend_get_public_key(tox3, 0, address2, 0);
ck_assert_msg(ret, "no friends!");
ck_assert_msg(memcmp(address, address2, TOX_PUBLIC_KEY_SIZE) == 0, "addresses don't match!");
size = tox_get_savedata_size(tox3);
uint8_t data2[size];
tox_get_savedata(tox3, data2);
TOX_PASS_KEY key;
memcpy(key.salt, salt, 32);
memcpy(key.key, known_key2, crypto_box_BEFORENMBYTES);
size2 = size + TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
uint8_t encdata2[size2];
ret = tox_pass_key_encrypt(data2, size, &key, encdata2, &error1);
ck_assert_msg(ret, "failed to key encrypt %u", error1);
ck_assert_msg(tox_is_data_encrypted(encdata2), "magic number the second missing");
uint8_t out1[size], out2[size];
ret = tox_pass_decrypt(encdata2, size2, pw, pwlen, out1, &err3);
ck_assert_msg(ret, "failed to pw decrypt %u", err3);
ret = tox_pass_key_decrypt(encdata2, size2, &key, out2, &err3);
ck_assert_msg(ret, "failed to key decrypt %u", err3);
ck_assert_msg(memcmp(out1, out2, size) == 0, "differing output data");
// and now with the code in use (I only bothered with manually to debug this, and it seems a waste
// to remove the manual check now that it's there)
options.savedata_data = out1;
options.savedata_length = size;
Tox *tox4 = tox_new(&options, &err2);
ck_assert_msg(err2 == TOX_ERR_NEW_OK, "failed to new the third");
uint8_t address5[TOX_PUBLIC_KEY_SIZE];
ret = tox_friend_get_public_key(tox4, 0, address5, 0);
ck_assert_msg(ret, "no friends! the third");
ck_assert_msg(memcmp(address, address2, TOX_PUBLIC_KEY_SIZE) == 0, "addresses don't match! the third");
tox_kill(tox1);
tox_kill(tox2);
tox_kill(tox3);
tox_kill(tox4);
}
