static void agent_start(unsigned const char key[KDF_HASH_LEN])
{
pid_t child;
agent_kill();
if (config_exists("plaintext_key"))
return;
child = fork();
if (child < 0)
die_errno("fork(agent)");
if (child == 0) {
int null = open("/dev/null", 0);
if (null < 0)
_exit(EXIT_FAILURE);
dup2(null, 0);
dup2(null, 1);
dup2(null, 2);
close(null);
setsid();
if (chdir("/") < 0)
_exit(EXIT_FAILURE);
process_disable_ptrace();
process_set_name("lpass [agent]");
agent_run(key);
_exit(EXIT_FAILURE);
}
}
void session_kill()
{
if (!config_unlink("verify") || !config_unlink("username") || !config_unlink("session_sessionid") || !config_unlink("iterations"))
die_errno("could not log out.");
config_unlink("blob");
config_unlink("session_token");
config_unlink("session_uid");
config_unlink("session_privatekey");
config_unlink("plaintext_key");
agent_kill();
upload_queue_kill();
}
int cmd_logout(int argc, char **argv)
{
static struct option long_options[] = {
{"force", no_argument, NULL, 'f'},
{0, 0, 0, 0}
};
int option;
int option_index;
bool force = false;
struct session *session = NULL;
unsigned char key[KDF_HASH_LEN];
while ((option = getopt_long(argc, argv, "f", long_options, &option_index)) != -1) {
switch (option) {
case 'f':
force = true;
break;
case '?':
default:
die_usage(cmd_logout_usage);
}
}
if (optind < argc)
die_usage(cmd_logout_usage);
if (!config_exists("verify"))
die("Not currently logged in.");
if (!force && !ask_yes_no(true, "Are you sure you would like to log out?")) {
terminal_printf(TERMINAL_FG_YELLOW TERMINAL_BOLD "Log out" TERMINAL_RESET ": aborted.\n");
return 1;
}
init_all(0, key, &session, NULL);
if (!config_unlink("verify") || !config_unlink("username") || !config_unlink("session_sessionid") || !config_unlink("iterations"))
die_errno("could not log out.");
config_unlink("blob");
config_unlink("session_token");
config_unlink("session_uid");
config_unlink("session_privatekey");
config_unlink("plaintext_key");
agent_kill();
upload_queue_kill();
lastpass_logout(session);
terminal_printf(TERMINAL_FG_YELLOW TERMINAL_BOLD "Log out" TERMINAL_RESET ": complete.\n");
return 0;
}