static int proxy_traffic()
{
#define _DIE(label, msg, ...) do { \
fprintf(stderr, msg, ##__VA_ARGS__); \
rval = EXIT_FAILURE; \
goto label; \
} while (0)
int rval = EXIT_SUCCESS;
if (get_socket() < 0)
_DIE(exit, "Socket initialization failure!\n");
if (!(pkt_queue = minq_new(pkt_slot_cmp)))
_DIE(sfd, "Cannot create priority queue!\n");
/* Process incoming traffic until error (or forever) */
if ((rval = proxy_loop()))
_DIE(queue, "The proxy loop crashed, "
"had %zu element(s) left in pkt_queue\n", minq_size(pkt_queue));
queue:
minq_del(pkt_queue);
sfd:
close(sfd);
exit:
return rval;
#undef _DIE
}
int main(int argc, char* argv[]) {
int rc;
/* drop privileges */
if (drop_privs() < 0) return EXIT_FAILURE;
/* parse arguments */
parse_args(argc, argv);
/* initialize secure storage directory */
rc = storage_init(ss_data_root);
if (rc < 0) return EXIT_FAILURE;
/* open rpmb device */
rc = rpmb_open(rpmb_devname, dev_type);
if (rc < 0) return EXIT_FAILURE;
/* connect to Trusty secure storage server */
rc = ipc_connect(trusty_devname, ss_srv_name);
if (rc < 0) return EXIT_FAILURE;
/* enter main loop */
rc = proxy_loop();
ALOGE("exiting proxy loop with status (%d)\n", rc);
ipc_disconnect();
rpmb_close();
return (rc < 0) ? EXIT_FAILURE : EXIT_SUCCESS;
}
