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/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* Copyright 1997, 2007 by 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 "gssapiP_krb5.h"
/*
* Check to see whether or not a GSSAPI krb5 credential is valid. If
* it is not, return an error.
*/
OM_uint32
krb5_gss_validate_cred_1(OM_uint32 *minor_status, gss_cred_id_t cred_handle,
krb5_context context)
{
krb5_gss_cred_id_t cred;
krb5_error_code code;
krb5_principal princ;
if (!kg_validate_cred_id(cred_handle)) {
*minor_status = (OM_uint32) G_VALIDATE_FAILED;
return(GSS_S_CALL_BAD_STRUCTURE|GSS_S_DEFECTIVE_CREDENTIAL);
}
cred = (krb5_gss_cred_id_t) cred_handle;
code = k5_mutex_lock(&cred->lock);
if (code) {
*minor_status = code;
return GSS_S_FAILURE;
}
if (cred->ccache) {
if ((code = krb5_cc_get_principal(context, cred->ccache, &princ))) {
k5_mutex_unlock(&cred->lock);
*minor_status = code;
return(GSS_S_DEFECTIVE_CREDENTIAL);
}
if (!cred->proxy_cred &&
!krb5_principal_compare(context, princ, cred->name->princ)) {
k5_mutex_unlock(&cred->lock);
*minor_status = KG_CCACHE_NOMATCH;
return(GSS_S_DEFECTIVE_CREDENTIAL);
}
(void)krb5_free_principal(context, princ);
}
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
krb5_gss_validate_cred(minor_status, cred_handle)
OM_uint32 *minor_status;
gss_cred_id_t cred_handle;
{
krb5_context context;
krb5_error_code code;
OM_uint32 maj;
code = krb5_gss_init_context(&context);
if (code) {
*minor_status = code;
return GSS_S_FAILURE;
}
maj = krb5_gss_validate_cred_1(minor_status, cred_handle, context);
if (maj == 0) {
krb5_gss_cred_id_t cred = (krb5_gss_cred_id_t) cred_handle;
k5_mutex_assert_locked(&cred->lock);
k5_mutex_unlock(&cred->lock);
}
save_error_info(*minor_status, context);
krb5_free_context(context);
return maj;
}
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