Add -u option to specify /dev/urandom instead

--HG--
extra : convert_revision : 6925cd3fd7727fbc69db9883675aa90f594f58a0

svr-runopts.c

@@ -28,6 +28,7 @@
 #include "buffer.h"
 #include "dbutil.h"
 #include "algo.h"
+#include "random.h"
 
 svr_runopts svr_opts; /* GLOBAL */
 
@@ -80,6 +81,7 @@ static void printhelp(const char * progname) {
 #ifdef INETD_MODE
 					"-i		Start for inetd\n"
 #endif
+					"-u		Use /dev/urandom - use with caution\n"
 #ifdef DEBUG_TRACE
 					"-v		verbose\n"
 #endif
@@ -216,6 +218,9 @@ void svr_getopts(int argc, char ** argv) {
 					printhelp(argv[0]);
 					exit(EXIT_FAILURE);
 					break;
+				case 'u':
+					random_dev = DROPBEAR_URANDOM_DEV;
+					break;
 #ifdef DEBUG_TRACE
 				case 'v':
 					debug_trace = 1;