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/*
* ms2mit.c
*
*/
/*
* Copyright (C) 2003 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*/
#include "krb5.h"
#include <stdio.h>
void
main(
int argc,
char *argv[]
)
{
krb5_context kcontext;
krb5_error_code code;
krb5_ccache ccache=NULL;
krb5_ccache mslsa_ccache=NULL;
krb5_cc_cursor cursor;
krb5_creds creds;
krb5_principal princ;
int initial_ticket = 0;
if (code = krb5_init_context(&kcontext)) {
com_err(argv[0], code, "while initializing kerberos library");
exit(1);
}
if (code = krb5_cc_resolve(kcontext, "MSLSA:", &mslsa_ccache)) {
com_err(argv[0], code, "while opening MS LSA ccache");
krb5_free_context(kcontext);
exit(1);
}
/* Enumerate tickets from cache looking for an initial ticket */
if ((code = krb5_cc_start_seq_get(kcontext, mslsa_ccache, &cursor))) {
com_err(argv[0], code, "while initiating the cred sequence of MS LSA ccache");
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
exit(1);
}
while (!(code = krb5_cc_next_cred(kcontext, mslsa_ccache, &cursor, &creds)))
{
if ( creds.ticket_flags & TKT_FLG_INITIAL ) {
krb5_free_cred_contents(kcontext, &creds);
initial_ticket = 1;
break;
}
krb5_free_cred_contents(kcontext, &creds);
}
krb5_cc_end_seq_get(kcontext, mslsa_ccache, &cursor);
if ( !initial_ticket ) {
fprintf(stderr, "%s: Initial Ticket Getting Tickets are not available from the MS LSA\n",
argv[0]);
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
exit(1);
}
if (code = krb5_cc_get_principal(kcontext, mslsa_ccache, &princ)) {
com_err(argv[0], code, "while obtaining MS LSA principal");
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
exit(1);
}
if (code = krb5_cc_default(kcontext, &ccache)) {
com_err(argv[0], code, "while getting default ccache");
krb5_free_principal(kcontext, princ);
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
exit(1);
}
if (code = krb5_cc_initialize(kcontext, ccache, princ)) {
com_err (argv[0], code, "when initializing ccache");
krb5_free_principal(kcontext, princ);
krb5_cc_close(kcontext, mslsa_ccache);
krb5_cc_close(kcontext, ccache);
krb5_free_context(kcontext);
exit(1);
}
if (code = krb5_cc_copy_creds(kcontext, mslsa_ccache, ccache)) {
com_err (argv[0], code, "while copying MS LSA ccache to default ccache");
krb5_free_principal(kcontext, princ);
krb5_cc_close(kcontext, ccache);
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
exit(1);
}
krb5_free_principal(kcontext, princ);
krb5_cc_close(kcontext, ccache);
krb5_cc_close(kcontext, mslsa_ccache);
krb5_free_context(kcontext);
return(0);
}
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