static void async_ipc_free(async_ipc_t *aipc)
{
aipc->cb = NULL;
if (aipc->e)
estream_close(aipc->e);
while (aipc->queue)
async_ipc_remove_op(&aipc->queue);
nfree(aipc->sync);
free(aipc);
}
void ekey_fd_activity(int fd, short events, void *pw)
{
econ_state_t *econ = pw;
econ_run(econ);
if (econ_state(econ) == ESTATE_CLOSE) {
ekeyfd_rm(econ_get_rd_fd(econ));
estream_close(econ->key_stream);
econ->key_stream = NULL;
lstate_inform_about_key(econ);
}
}
static void async_ipc_estream_timed_out(void *context)
{
async_ipc_t *aipc = context;
estream_close(aipc->e);
}
int main(int argc, char **argv)
{
int res;
int opt;
char *configfile;
char *pidfile;
configfile = strdup(CONFIGFILE);
pidfile = strdup(PIDFILE);
while ((opt = getopt(argc, argv, "vhf:p:")) != -1) {
switch (opt) {
case 'f':
free(configfile);
configfile = strdup(optarg);
break;
case 'p':
free(pidfile);
pidfile = strdup(optarg);
break;
case 'v':
printf("%s: Version %s\n", argv[0], EKEYD_VERSION_S);
return 0;
case 'h':
default:
fprintf(stderr, usage, argv[0]);
return 1;
}
}
if (optind != argc) {
fprintf(stderr, "Unexpected argument\n");
fprintf(stderr, usage, argv[0]);
return 1;
}
if (lstate_init() == false) {
return 1;
}
if (!lstate_runconfig(configfile)) {
/* Failed to run the configuration */
return 1;
}
/* Everything is good, daemonise */
if (lstate_request_daemonise())
do_daemonise(pidfile, false);
/* now we are a daemon, start system logging */
openlog("ekeyd", LOG_ODELAY, LOG_DAEMON);
syslog(LOG_INFO, "Starting Entropy Key Daemon");
while (true) {
res = ekeyfd_poll(-1);
if (res == 0)
break; /* no more fd open, finish */
if (res < 0) {
if ((errno == EINTR) || (errno == EWOULDBLOCK))
continue; /* these errors are ok and the poll is retried */
syslog(LOG_ERR, "Unhandled error in poll %s, exiting", strerror(errno));
break;
}
if (lua_fd_ready) {
lstate_controlbytes();
lua_fd_ready = false;
}
}
lstate_finalise();
estream_close(output_stream);
close_nonce();
unlink(pidfile);
free(configfile);
free(pidfile);
syslog(LOG_INFO, "Entropy Key Daemon Stopping");
closelog();
return 0;
}
