usr.bin/keylogin/keylogin.c

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user or with the express written consent of
   8  * Sun Microsystems, Inc.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  *
  30  * @(#)keylogin.c 1.4 91/03/11 Copyr 1986 Sun Micro
  31  *
  32  * $FreeBSD: src/usr.bin/keylogin/keylogin.c,v 1.4 2002/06/30 05:25:01 obrien Exp $
  33  * $DragonFly: src/usr.bin/keylogin/keylogin.c,v 1.4 2007/11/25 01:28:23 swildner Exp $
  34  */
  35
  36 /*
  37  * Copyright (C) 1986, Sun Microsystems, Inc.
  38  */
  39
  40 /*
  41  * Set secret key on local machine
  42  */
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <pwd.h>
  47 #include <unistd.h>
  48 #include <rpc/rpc.h>
  49 #include <rpc/key_prot.h>
  50
  51 int
  52 main(void)
  53 {
  54         char fullname[MAXNETNAMELEN + 1];
  55         struct key_netstarg netst;
  56
  57         if (!getnetname(fullname)) {
  58                 fprintf(stderr, "netname lookup failed -- make sure the ");
  59                 fprintf(stderr, "system domain name is set.\n");
  60                 exit(1);
  61         }
  62
  63         if (! getsecretkey(fullname, (char *)&(netst.st_priv_key),
  64                                 getpass("Password:"))) {
  65                 fprintf(stderr, "Can't find %s's secret key\n", fullname);
  66                 exit(1);
  67         }
  68         if (netst.st_priv_key[0] == 0) {
  69                 fprintf(stderr, "Password incorrect for %s\n", fullname);
  70                 exit(1);
  71         }
  72
  73         netst.st_pub_key[0] = 0;
  74         netst.st_netname = strdup(fullname);
  75
  76         if (key_setnet(&netst) < 0) {
  77                 fprintf(stderr, "Could not set %s's secret key\n", fullname);
  78                 fprintf(stderr, "Maybe the keyserver is down?\n");
  79                 exit(1);
  80         }
  81         exit(0);
  82         /* NOTREACHED */
  83 }