bool agent_get_decryption_key(unsigned char key[KDF_HASH_LEN])
{
char *disable_str;
if (config_exists("plaintext_key")) {
_cleanup_free_ char *key_buffer = NULL;
if (config_read_buffer("plaintext_key", &key_buffer) == KDF_HASH_LEN) {
_cleanup_free_ char *verify = config_read_encrypted_string("verify", (unsigned char *)key_buffer);
if (!verify || strcmp(verify, AGENT_VERIFICATION_STRING))
goto badkey;
memcpy(key, key_buffer, KDF_HASH_LEN);
secure_clear(key_buffer, KDF_HASH_LEN);
mlock(key, KDF_HASH_LEN);
return true;
}
badkey: config_unlink("plaintext_key");
}
if (!agent_ask(key)) {
if (!agent_load_key(key))
return false;
disable_str = getenv("LPASS_AGENT_DISABLE");
if (!disable_str || strcmp(disable_str, "1")) {
agent_start(key);
}
}
mlock(key, KDF_HASH_LEN);
return true;
}
int cmd_status(int argc, char **argv)
{
unsigned char key[KDF_HASH_LEN];
static struct option long_options[] = {
{"quiet", no_argument, NULL, 'q'},
{"color", required_argument, NULL, 'C'},
{0, 0, 0, 0}
};
int option;
int option_index;
bool quiet = false;
_cleanup_free_ char *username = NULL;
while ((option = getopt_long(argc, argv, "q", long_options, &option_index)) != -1) {
switch (option) {
case 'q':
quiet = true;
break;
case 'C':
terminal_set_color_mode(
parse_color_mode_string(optarg));
break;
case '?':
default:
die_usage(cmd_status_usage);
}
}
if (!agent_ask(key)) {
if(!quiet) {
terminal_printf(TERMINAL_FG_RED TERMINAL_BOLD "Not logged in" TERMINAL_RESET ".\n");
}
return 1;
} else {
if(!quiet) {
username = config_read_string("username");
terminal_printf(TERMINAL_FG_GREEN TERMINAL_BOLD "Logged in" TERMINAL_RESET " as " TERMINAL_UNDERLINE "%s" TERMINAL_RESET ".\n", username);
}
return 0;
}
}
