diff -c -r wu-ftpd-2.4/src/ftpd.c wu-ftpd-2.4-dce-0.5/src/ftpd.c
*** wu-ftpd-2.4/src/ftpd.c	Mon Jan  6 07:27:09 1997
--- wu-ftpd-2.4-dce-0.5/src/ftpd.c	Fri Mar 21 08:49:50 1997
***************
*** 105,110 ****
--- 105,115 ----
  #include <krb.h>
  #endif
  
+ #ifdef DCE_AUTH
+ #include <dce/dce_error.h>
+ #include <dce/sec_login.h>
+ #endif
+ 
  #ifdef ULTRIX_AUTH
  #include <auth.h>
  #include <sys/svcinfo.h>
***************
*** 243,248 ****
--- 248,259 ----
  char krb_ticket_name[100];
  #endif /* KERBEROS */
  
+ #ifdef DCE_AUTH
+ static int dce_check_pass(char *passwd);
+ static error_status_t dce_st;
+ static sec_login_handle_t login_context;
+ #endif
+ 
  #ifdef ULTRIX_AUTH
  int ultrix_check_pass(char *passwd, char *xpasswd);
  #endif
***************
*** 1010,1015 ****
--- 1021,1029 ----
          xpasswd = crypt(passwd, salt);
  #endif
  
+ #ifdef DCE_AUTH
+         if (!dce_check_pass(passwd)) {
+ #else
  #ifdef ULTRIX_AUTH
          if ((numfails = ultrix_check_pass(passwd, xpasswd)) < 0) {
  #else
***************
*** 1017,1022 ****
--- 1031,1037 ----
          if (pw == NULL || *pw->pw_passwd == '\0' ||
              strcmp(xpasswd, pw->pw_passwd)) {
  #endif
+ #endif
              reply(530, "Login incorrect.");
  
  #ifdef LOG_FAILED                       /* 27-Apr-93    EHK/BM             */
***************
*** 2430,2435 ****
--- 2445,2453 ----
          close(xferlog);
      acl_remove();
      /* beware of flushing buffers after a SIGPIPE */
+ #ifdef DCE_AUTH
+     sec_login_purge_context(&login_context, &dce_st);
+ #endif
      _exit(status);
  }
  
***************
*** 2772,2777 ****
--- 2790,2853 ----
      unlink(krb_ticket_name);
  }
  #endif /* KERBEROS */
+ 
+ #ifdef DCE_AUTH
+ static int dce_check_pass(char *passwd)
+ {
+   dce_error_string_t dce_error;
+   int dce_error_st;
+   sec_login_auth_src_t auth_src;
+   sec_passwd_rec_t pw_entry;
+   sec_passwd_str_t dce_pw;
+   boolean32 reset_passwd;
+ 
+   if (pw == NULL)
+     return 0;
+   
+   if (!sec_login_setup_identity(pw->pw_name, sec_login_no_flags, &login_context, &dce_st))
+     {
+       dce_error_inq_text(dce_st, dce_error, &dce_error_st);
+       syslog(LOG_NOTICE, "setup identity failed for %s - %s", pw->pw_name, dce_error);
+       sec_login_purge_context(&login_context, &dce_st);
+       return 0;
+     }
+ 
+   pw_entry.version_number = sec_passwd_c_version_none;
+   pw_entry.pepper = NULL;
+   pw_entry.key.key_type = sec_passwd_plain;
+           
+   strncpy( (char *)dce_pw, passwd, sec_passwd_str_max_len);
+   dce_pw[sec_passwd_str_max_len] = '\0';
+   pw_entry.key.tagged_union.plain = &(dce_pw[0]);
+ 
+   if (!sec_login_valid_and_cert_ident(login_context, &pw_entry, &reset_passwd,
+                                       &auth_src, &dce_st))
+     {
+       dce_error_inq_text(dce_st, dce_error, &dce_error_st);
+       syslog(LOG_NOTICE, "valid_and_cert identity failed for %s - %s", pw->pw_name, dce_error);
+       sec_login_purge_context(&login_context, &dce_st);
+       return 0;
+     }
+ 
+   if (auth_src != sec_login_auth_src_network)
+     {
+       sec_login_purge_context(&login_context, &dce_st);
+       syslog(LOG_NOTICE, "no network creds for %s", pw->pw_name);
+       return 0;
+     }
+           
+   sec_login_set_context(login_context, &dce_st);
+   if (dce_st)
+     {
+       dce_error_inq_text(dce_st, dce_error, &dce_error_st);
+       syslog(LOG_NOTICE, "set context failed for %s - %s", pw->pw_name, dce_error);
+       sec_login_purge_context(&login_context, &dce_st);
+       return 0;
+     }
+ 
+   return 1;
+ }
+ #endif
  
  #ifdef ULTRIX_AUTH
  static int
diff -c -r wu-ftpd-2.4/src/makefiles/Makefile.sol wu-ftpd-2.4-dce-0.5/src/makefiles/Makefile.sol
*** wu-ftpd-2.4/src/makefiles/Makefile.sol	Fri Apr  1 11:03:28 1994
--- wu-ftpd-2.4-dce-0.5/src/makefiles/Makefile.sol	Fri Mar 21 08:52:21 1997
***************
*** 1,8 ****
! CC       = cc
  IFLAGS   = -I.. -I../support
  LFLAGS   = -L../support
! CFLAGS   = -g -DDEBUG ${IFLAGS} ${LFLAGS}
! LIBES    = -lsupport -lsocket -lnsl -lgen
  LIBC     = /lib/libc.a
  LINTFLAGS=	
  LKERB    = -lauth -lckrb -lkrb -ldes
--- 1,8 ----
! CC       = gcc
  IFLAGS   = -I.. -I../support
  LFLAGS   = -L../support
! CFLAGS   = -g -DDEBUG ${IFLAGS} ${LFLAGS} -DDCE_AUTH
! LIBES    = -lsupport -ldce -lsocket -lnsl -lthread -lm -lgen
  LIBC     = /lib/libc.a
  LINTFLAGS=	
  LKERB    = -lauth -lckrb -lkrb -ldes