diff -c -r src/ftpd.c.orig src/ftpd.c
*** src/ftpd.c.orig	Wed Apr 13 23:17:18 1994
--- src/ftpd.c	Tue Oct 18 18:04:43 1994
***************
*** 139,146 ****
   *freopen(const char *, const char *, FILE *);
  extern int ftpd_pclose(FILE *iop),
    fclose(FILE *);
! extern char *getline(),
!  *realpath(char *pathname, char *result);
  extern char cbuf[];
  extern off_t restart_point;
  
--- 139,148 ----
   *freopen(const char *, const char *, FILE *);
  extern int ftpd_pclose(FILE *iop),
    fclose(FILE *);
! extern char *getline();
! #ifndef HAVE_REALPATH
! extern char *realpath(char *pathname, char *result);
! #endif
  extern char cbuf[];
  extern off_t restart_point;
  
***************
*** 237,242 ****
--- 239,250 ----
  
  #endif /* SETPROCTITLE */
  
+ #ifdef SKEY
+ int	pwok = 0;
+ char	*skey_challenge();
+ char	*skey_crypt();
+ #endif
+ 
  #ifdef KERBEROS
  void init_krb();
  void end_krb();
***************
*** 878,884 ****
--- 886,897 ----
      } else
          acl_setfunctions();
  
+ #ifdef SKEY
+     pwok = skeyaccess(name, NULL, remotehost);
+     reply(331, "%s", skey_challenge(name, pw, pwok));
+ #else
      reply(331, "Password required for %s.", name);
+ #endif
      askpasswd = 1;
      /* Delay before reading passwd after first failed attempt to slow down
       * passwd-guessing programs. */
***************
*** 1007,1013 ****
--- 1020,1031 ----
  #ifdef KERBEROS
          xpasswd = crypt16(passwd, salt);
  #else
+ #ifdef SKEY
+ 	xpasswd = skey_crypt(passwd, salt, pw, pwok);
+ 	pwok = 0;
+ #else
          xpasswd = crypt(passwd, salt);
+ #endif
  #endif
  
  #ifdef ULTRIX_AUTH
diff -c -r src/realpath.c.orig src/realpath.c
*** src/realpath.c.orig	Fri Apr  1 21:03:45 1994
--- src/realpath.c	Tue Oct 18 17:48:34 1994
***************
*** 29,36 ****
--- 29,39 ----
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
+ 
  #include "config.h"
  
+ #ifndef HAVE_REALPATH
+ 
  #include <stdio.h>
  #include <sys/types.h>
  #include <sys/stat.h>
***************
*** 159,161 ****
--- 162,165 ----
      strcpy(result, workpath);
      return (result);
  }
+ #endif