rlogin.tproj/krcmd.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1989, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  */
  57
  58
  59 /*
  60  *      $Source: /cvs/root/network_cmds/rlogin.tproj/krcmd.c,v $
  61  *      $Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1
  62  *              89/07/25 15:38:44 kfall Exp Locker: kfall $
  63  * static char *rcsid_kcmd_c =
  64  * "$Header: /mit/kerberos/ucb/mit/kcmd/RCS/krcmd.c,v 5.1 89/07/25 15:38:44
  65  *      kfall Exp Locker: kfall $";
  66  */
  67
  68 #ifdef KERBEROS
  69 #include <sys/types.h>
  70 #ifdef CRYPT
  71 #include <sys/socket.h>
  72 #endif
  73
  74 #include <netinet/in.h>
  75
  76 #include <kerberosIV/des.h>
  77 #include <kerberosIV/krb.h>
  78
  79 #include <stdio.h>
  80
  81 #define SERVICE_NAME    "rcmd"
  82
  83 int     kcmd __P((int *, char **, u_short, char *, char *, char *, int *,
  84             KTEXT, char *, char *, CREDENTIALS *, Key_schedule, MSG_DAT *,
  85             struct sockaddr_in *, struct sockaddr_in *, long));
  86
  87 /*
  88  * krcmd: simplified version of Athena's "kcmd"
  89  *      returns a socket attached to the destination, -1 or krb error on error
  90  *      if fd2p is non-NULL, another socket is filled in for it
  91  */
  92
  93 int
  94 krcmd(ahost, rport, remuser, cmd, fd2p, realm)
  95         char    **ahost;
  96         u_short rport;
  97         char    *remuser, *cmd;
  98         int     *fd2p;
  99         char    *realm;
 100 {
 101         int             sock = -1, err = 0;
 102         KTEXT_ST        ticket;
 103         long            authopts = 0L;
 104
 105         err = kcmd(
 106                 &sock,
 107                 ahost,
 108                 rport,
 109                 NULL,   /* locuser not used */
 110                 remuser,
 111                 cmd,
 112                 fd2p,
 113                 &ticket,
 114                 SERVICE_NAME,
 115                 realm,
 116                 (CREDENTIALS *)  NULL,          /* credentials not used */
 117                 (bit_64 *) NULL,                /* key schedule not used */
 118                 (MSG_DAT *) NULL,               /* MSG_DAT not used */
 119                 (struct sockaddr_in *) NULL,    /* local addr not used */
 120                 (struct sockaddr_in *) NULL,    /* foreign addr not used */
 121                 authopts
 122         );
 123
 124         if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
 125                 fprintf(stderr, "krcmd: %s\n", krb_err_txt[err]);
 126                 return(-1);
 127         }
 128         if (err < 0)
 129                 return(-1);
 130         return(sock);
 131 }
 132
 133 #ifdef CRYPT
 134 int
 135 krcmd_mutual(ahost, rport, remuser, cmd, fd2p, realm, cred, sched)
 136         char            **ahost;
 137         u_short         rport;
 138         char            *remuser, *cmd;
 139         int             *fd2p;
 140         char            *realm;
 141         CREDENTIALS     *cred;
 142         Key_schedule    sched;
 143 {
 144         int             sock, err;
 145         KTEXT_ST        ticket;
 146         MSG_DAT         msg_dat;
 147         struct sockaddr_in      laddr, faddr;
 148         long authopts = KOPT_DO_MUTUAL;
 149
 150         err = kcmd(
 151                 &sock,
 152                 ahost,
 153                 rport,
 154                 NULL,   /* locuser not used */
 155                 remuser,
 156                 cmd,
 157                 fd2p,
 158                 &ticket,
 159                 SERVICE_NAME,
 160                 realm,
 161                 cred,           /* filled in */
 162                 sched,          /* filled in */
 163                 &msg_dat,       /* filled in */
 164                 &laddr,         /* filled in */
 165                 &faddr,         /* filled in */
 166                 authopts
 167         );
 168
 169         if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
 170                 fprintf(stderr, "krcmd_mutual: %s\n", krb_err_txt[err]);
 171                 return(-1);
 172         }
 173
 174         if (err < 0)
 175                 return (-1);
 176         return(sock);
 177 }
 178 #endif /* CRYPT */
 179 #endif /* KERBEROS */