rlogin.tproj/krcmd.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Copyright (c) 1989, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by the University of
  39  *      California, Berkeley and its contributors.
  40  * 4. Neither the name of the University nor the names of its contributors
  41  *    may be used to endorse or promote products derived from this software
  42  *    without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  45  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  48  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  */
  56
  57
  58 /*
  59  *      $Source: /Volumes/george/fs-svn/network_cmds/rlogin.tproj/krcmd.c,v $
  60  *      $Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1
  61  *              89/07/25 15:38:44 kfall Exp Locker: kfall $
  62  * static char *rcsid_kcmd_c =
  63  * "$Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1 89/07/25 15:38:44
  64  *      kfall Exp Locker: kfall $";
  65  */
  66
  67 #ifdef KERBEROS
  68 #include <sys/types.h>
  69 #ifdef CRYPT
  70 #include <sys/socket.h>
  71 #endif
  72
  73 #include <netinet/in.h>
  74
  75 #include <kerberosIV/des.h>
  76 #include <kerberosIV/krb.h>
  77
  78 #include <stdio.h>
  79
  80 #define SERVICE_NAME    "rcmd"
  81
  82 int     kcmd __P((int *, char **, u_short, char *, char *, char *, int *,
  83             KTEXT, char *, char *, CREDENTIALS *, Key_schedule, MSG_DAT *,
  84             struct sockaddr_in *, struct sockaddr_in *, long));
  85
  86 /*
  87  * krcmd: simplified version of Athena's "kcmd"
  88  *      returns a socket attached to the destination, -1 or krb error on error
  89  *      if fd2p is non-NULL, another socket is filled in for it
  90  */
  91
  92 int
  93 krcmd(ahost, rport, remuser, cmd, fd2p, realm)
  94         char    **ahost;
  95         u_short rport;
  96         char    *remuser, *cmd;
  97         int     *fd2p;
  98         char    *realm;
  99 {
 100         int             sock = -1, err = 0;
 101         KTEXT_ST        ticket;
 102         long            authopts = 0L;
 103
 104         err = kcmd(
 105                 &sock,
 106                 ahost,
 107                 rport,
 108                 NULL,   /* locuser not used */
 109                 remuser,
 110                 cmd,
 111                 fd2p,
 112                 &ticket,
 113                 SERVICE_NAME,
 114                 realm,
 115                 (CREDENTIALS *)  NULL,          /* credentials not used */
 116                 (bit_64 *) NULL,                /* key schedule not used */
 117                 (MSG_DAT *) NULL,               /* MSG_DAT not used */
 118                 (struct sockaddr_in *) NULL,    /* local addr not used */
 119                 (struct sockaddr_in *) NULL,    /* foreign addr not used */
 120                 authopts
 121         );
 122
 123         if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
 124                 fprintf(stderr, "krcmd: %s\n", krb_err_txt[err]);
 125                 return(-1);
 126         }
 127         if (err < 0)
 128                 return(-1);
 129         return(sock);
 130 }
 131
 132 #ifdef CRYPT
 133 int
 134 krcmd_mutual(ahost, rport, remuser, cmd, fd2p, realm, cred, sched)
 135         char            **ahost;
 136         u_short         rport;
 137         char            *remuser, *cmd;
 138         int             *fd2p;
 139         char            *realm;
 140         CREDENTIALS     *cred;
 141         Key_schedule    sched;
 142 {
 143         int             sock, err;
 144         KTEXT_ST        ticket;
 145         MSG_DAT         msg_dat;
 146         struct sockaddr_in      laddr, faddr;
 147         long authopts = KOPT_DO_MUTUAL;
 148
 149         err = kcmd(
 150                 &sock,
 151                 ahost,
 152                 rport,
 153                 NULL,   /* locuser not used */
 154                 remuser,
 155                 cmd,
 156                 fd2p,
 157                 &ticket,
 158                 SERVICE_NAME,
 159                 realm,
 160                 cred,           /* filled in */
 161                 sched,          /* filled in */
 162                 &msg_dat,       /* filled in */
 163                 &laddr,         /* filled in */
 164                 &faddr,         /* filled in */
 165                 authopts
 166         );
 167
 168         if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
 169                 fprintf(stderr, "krcmd_mutual: %s\n", krb_err_txt[err]);
 170                 return(-1);
 171         }
 172
 173         if (err < 0)
 174                 return (-1);
 175         return(sock);
 176 }
 177 #endif /* CRYPT */
 178 #endif /* KERBEROS */