#include <u.h>#include <libc.h>#include <bio.h>#include <authsrv.h>#include "authcmdlib.h" voidgetpass(Authkey *key, char *pass, int check, int confirm){	char buf[PASSWDLEN], *s, *err; 	for(;; memset(s, 0, strlen(s)), free(s)){		s = readcons("Password", nil, 1);		if(s == nil)			break;		if(check){			if(err = okpasswd(s)){				print("%s, try again\n", err);				continue;			}		}		if(strlen(s) >= sizeof(buf)){			print("password longer than %d characters\n", sizeof(buf)-1);			continue;		}		strcpy(buf, s);		memset(s, 0, strlen(s));		free(s);		if(confirm){			s = readcons("Confirm password", nil, 1);			if(s == nil)				break;			if(strcmp(s, buf) != 0){				print("mismatch, try again\n");				continue;			}			memset(s, 0, strlen(s));			free(s);		}		if(key)			passtokey(key, buf);		if(pass)			strcpy(pass, buf);		memset(buf, 0, sizeof(buf));		return;	}	error("no password");}