xref: /minix3/lib/libtelnet/forward.c (revision 7348b5c52b47a1c199a1754a40bbfa360b536de2)
1*7348b5c5SDavid van Moolenbroek /*
2*7348b5c5SDavid van Moolenbroek  * appl/telnet/libtelnet/forward.c
3*7348b5c5SDavid van Moolenbroek  */
4*7348b5c5SDavid van Moolenbroek 
5*7348b5c5SDavid van Moolenbroek /*
6*7348b5c5SDavid van Moolenbroek  * Copyright (c) 1983 Regents of the University of California.
7*7348b5c5SDavid van Moolenbroek  * All rights reserved.
8*7348b5c5SDavid van Moolenbroek  *
9*7348b5c5SDavid van Moolenbroek  * Redistribution and use in source and binary forms are permitted
10*7348b5c5SDavid van Moolenbroek  * provided that the above copyright notice and this paragraph are
11*7348b5c5SDavid van Moolenbroek  * duplicated in all such forms and that any documentation,
12*7348b5c5SDavid van Moolenbroek  * advertising materials, and other materials related to such
13*7348b5c5SDavid van Moolenbroek  * distribution and use acknowledge that the software was developed
14*7348b5c5SDavid van Moolenbroek  * by the University of California, Berkeley.  The name of the
15*7348b5c5SDavid van Moolenbroek  * University may not be used to endorse or promote products derived
16*7348b5c5SDavid van Moolenbroek  * from this software without specific prior written permission.
17*7348b5c5SDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
18*7348b5c5SDavid van Moolenbroek  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
19*7348b5c5SDavid van Moolenbroek  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20*7348b5c5SDavid van Moolenbroek  */
21*7348b5c5SDavid van Moolenbroek 
22*7348b5c5SDavid van Moolenbroek 
23*7348b5c5SDavid van Moolenbroek /* General-purpose forwarding routines. These routines may be put into */
24*7348b5c5SDavid van Moolenbroek /* libkrb5.a to allow widespread use */
25*7348b5c5SDavid van Moolenbroek 
26*7348b5c5SDavid van Moolenbroek #if defined(KERBEROS) || defined(KRB5)
27*7348b5c5SDavid van Moolenbroek #include <stdio.h>
28*7348b5c5SDavid van Moolenbroek #include <netdb.h>
29*7348b5c5SDavid van Moolenbroek 
30*7348b5c5SDavid van Moolenbroek #include "k5-int.h"
31*7348b5c5SDavid van Moolenbroek 
32*7348b5c5SDavid van Moolenbroek extern char *line;		/* see sys_term.c */
33*7348b5c5SDavid van Moolenbroek 
34*7348b5c5SDavid van Moolenbroek krb5_error_code rd_and_store_for_creds(krb5_context, krb5_auth_context, krb5_data *, krb5_ticket *);
35*7348b5c5SDavid van Moolenbroek 
36*7348b5c5SDavid van Moolenbroek /* Decode, decrypt and store the forwarded creds in the local ccache. */
37*7348b5c5SDavid van Moolenbroek krb5_error_code
rd_and_store_for_creds(context,auth_context,inbuf,ticket)38*7348b5c5SDavid van Moolenbroek rd_and_store_for_creds(context, auth_context, inbuf, ticket)
39*7348b5c5SDavid van Moolenbroek     krb5_context context;
40*7348b5c5SDavid van Moolenbroek     krb5_auth_context auth_context;
41*7348b5c5SDavid van Moolenbroek     krb5_data *inbuf;
42*7348b5c5SDavid van Moolenbroek     krb5_ticket *ticket;
43*7348b5c5SDavid van Moolenbroek {
44*7348b5c5SDavid van Moolenbroek     krb5_creds **creds;
45*7348b5c5SDavid van Moolenbroek     krb5_error_code retval;
46*7348b5c5SDavid van Moolenbroek     char ccname[35];
47*7348b5c5SDavid van Moolenbroek     krb5_ccache ccache = NULL;
48*7348b5c5SDavid van Moolenbroek 
49*7348b5c5SDavid van Moolenbroek     if ((retval = krb5_rd_cred(context, auth_context, inbuf, &creds, NULL)) != 0)
50*7348b5c5SDavid van Moolenbroek 	return(retval);
51*7348b5c5SDavid van Moolenbroek 
52*7348b5c5SDavid van Moolenbroek     snprintf(ccname, sizeof(ccname), "FILE:/tmp/krb5cc_p%d", getpid());
53*7348b5c5SDavid van Moolenbroek     setenv(KRB5_ENV_CCNAME, ccname, 1);
54*7348b5c5SDavid van Moolenbroek 
55*7348b5c5SDavid van Moolenbroek     if ((retval = krb5_cc_resolve(context, ccname, &ccache)) != 0)
56*7348b5c5SDavid van Moolenbroek 	goto cleanup;
57*7348b5c5SDavid van Moolenbroek 
58*7348b5c5SDavid van Moolenbroek     if ((retval = krb5_cc_initialize(context, ccache, ticket->enc_part2->client)) != 0)
59*7348b5c5SDavid van Moolenbroek 	goto cleanup;
60*7348b5c5SDavid van Moolenbroek 
61*7348b5c5SDavid van Moolenbroek     if ((retval = krb5_cc_store_cred(context, ccache, *creds)) != 0)
62*7348b5c5SDavid van Moolenbroek 	goto cleanup;
63*7348b5c5SDavid van Moolenbroek 
64*7348b5c5SDavid van Moolenbroek cleanup:
65*7348b5c5SDavid van Moolenbroek     krb5_free_creds(context, *creds);
66*7348b5c5SDavid van Moolenbroek     return retval;
67*7348b5c5SDavid van Moolenbroek }
68*7348b5c5SDavid van Moolenbroek 
69*7348b5c5SDavid van Moolenbroek #endif /* defined(KRB5) && defined(FORWARD) */
70