Function pg_GSS_startup

src/interfaces/libpq/fe-auth.c:156–187

* Send initial GSS authentication token */

 * Send initial GSS authentication token
 */
static int
pg_GSS_startup(PGconn *conn, int payloadlen)
{
	int			ret;
	char	   *host = conn->connhost[conn->whichhost].host;

	if (!(host && host[0] != '\0'))
	{
		appendPQExpBufferStr(&conn->errorMessage,
							 libpq_gettext("host name must be specified\n"));
		return STATUS_ERROR;
	}

	if (conn->gctx)
	{
		appendPQExpBufferStr(&conn->errorMessage,
							 libpq_gettext("duplicate GSS authentication request\n"));
		return STATUS_ERROR;
	}

	ret = pg_GSS_load_servicename(conn);
	if (ret != STATUS_OK)
		return ret;

	/*
	 * Initial packet is the same as a continuation packet with no initial
	 * context.
	 */
	conn->gctx = GSS_C_NO_CONTEXT;

	return pg_GSS_continue(conn, payloadlen);
}
#endif							/* ENABLE_GSS */