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/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* lib/gssapi/krb5/set_ccache.c
*
* Copyright 1999, 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.
*
* Set ccache name used by gssapi, and optionally obtain old ccache
* name. Caller should not free returned name.
*/
#include <string.h>
#include "gssapiP_krb5.h"
OM_uint32 KRB5_CALLCONV
gss_krb5int_ccache_name(OM_uint32 *minor_status,
const gss_OID desired_mech,
const gss_OID desired_object,
gss_buffer_t value)
{
char *old_name = NULL;
OM_uint32 err = 0;
OM_uint32 minor = 0;
char *gss_out_name;
struct krb5_gss_ccache_name_req *req;
err = gss_krb5int_initialize_library();
if (err) {
*minor_status = err;
return GSS_S_FAILURE;
}
assert(value->length == sizeof(*req));
if (value->length != sizeof(*req))
return GSS_S_FAILURE;
req = (struct krb5_gss_ccache_name_req *)value->value;
gss_out_name = k5_getspecific(K5_KEY_GSS_KRB5_SET_CCACHE_OLD_NAME);
if (req->out_name) {
const char *tmp_name = NULL;
if (!err) {
kg_get_ccache_name (&err, &tmp_name);
}
if (!err) {
old_name = gss_out_name;
gss_out_name = (char *)tmp_name;
}
}
/* If out_name was NULL, we keep the same gss_out_name value, and
don't free up any storage (leave old_name NULL). */
if (!err)
kg_set_ccache_name (&err, req->name);
minor = k5_setspecific(K5_KEY_GSS_KRB5_SET_CCACHE_OLD_NAME, gss_out_name);
if (minor) {
/* Um. Now what? */
if (err == 0) {
err = minor;
}
free(gss_out_name);
gss_out_name = NULL;
}
if (!err) {
if (req->out_name) {
*(req->out_name) = gss_out_name;
}
}
if (old_name != NULL) {
free (old_name);
}
*minor_status = err;
return (*minor_status == 0) ? GSS_S_COMPLETE : GSS_S_FAILURE;
}
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