BSD 4_3_Reno release

[unix-history] / usr / src / usr.bin / rlogin / krcmd.c

/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement:  ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/

#ifndef lint
static char sccsid[] = "@(#)krcmd.c     1.5 (Berkeley) 6/1/90";
#endif /* not lint */

/*
*      $Source: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v $
*      $Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1
*              89/07/25 15:38:44 kfall Exp Locker: kfall $
* static char *rcsid_kcmd_c =
* "$Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1 89/07/25 15:38:44
*      kfall Exp Locker: kfall $";
*/

#include <sys/types.h>
#include <stdio.h>
#include <kerberosIV/des.h>
#include <kerberosIV/krb.h>

#define SERVICE_NAME    "rcmd"

/*
* krcmd: simplified version of Athena's "kcmd"
*      returns a socket attached to the destination, -1 or krb error on error 
*      if fd2p is non-NULL, another socket is filled in for it
*/

int
krcmd(ahost, rport, remuser, cmd, fd2p, realm)
       char    **ahost;
       u_short rport;
       char    *remuser, *cmd;
       int     *fd2p;
       char    *realm;
{
       int             sock = -1, err = 0;
       KTEXT_ST        ticket;
       long            authopts = 0L;

       err = kcmd(
               &sock,
               ahost,
               rport,
               NULL,   /* locuser not used */
               remuser,
               cmd,
               fd2p,
               &ticket,
               SERVICE_NAME,
               realm,
               (CREDENTIALS *)  NULL,          /* credentials not used */
               (bit_64 *) NULL,                /* key schedule not used */
               (MSG_DAT *) NULL,               /* MSG_DAT not used */
               (struct sockaddr_in *) NULL,    /* local addr not used */
               (struct sockaddr_in *) NULL,    /* foreign addr not used */
               authopts
       );

       if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
               fprintf(stderr, "krcmd: %s\n", krb_err_txt[err]);
               return(-1);
       }
       if (err < 0)
               return(-1);
       return(sock);
}

#include <sys/socket.h>
#include <netinet/in.h>

int
krcmd_mutual(ahost, rport, remuser, cmd, fd2p, realm, cred, sched)
       char            **ahost;
       u_short         rport;
       char            *remuser, *cmd;
       int             *fd2p;
       char            *realm;
       CREDENTIALS     *cred;
       Key_schedule    sched;
{
       int             sock, err;
       KTEXT_ST        ticket;
       MSG_DAT         msg_dat;
       struct sockaddr_in      laddr, faddr;
       long authopts = KOPT_DO_MUTUAL;

       err = kcmd(
               &sock,
               ahost,
               rport,
               NULL,   /* locuser not used */
               remuser,
               cmd,
               fd2p,
               &ticket,
               SERVICE_NAME,
               realm,
               cred,           /* filled in */
               sched,          /* filled in */
               &msg_dat,       /* filled in */
               &laddr,         /* filled in */
               &faddr,         /* filled in */
               authopts
       );

       if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
               fprintf(stderr, "krcmd_mutual: %s\n", krb_err_txt[err]);
               return(-1);
       }

       if (err < 0)
               return (-1);
       return(sock);
}