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samba-mirror/lib/krb5_wrap/gss_samba.h
Alexander Bokovoy 0e6e8dd260 lib/krb5_wrap: add smb_gss_krb5_import_cred wrapper
Wrap gss_krb5_import_cred() to allow re-implementing it with
gss_acquire_cred_from() for newer MIT versions. gss_acquire_cred_from()
works fine with GSSAPI interposer (GSS-proxy) while
gss_krb5_import_cred() is not interposed yet.

The wrapper has additional parameter, krb5_context handle, to facilitate
with credentials cache name discovery. All our callers to
gss_krb5_import_cred() already have krb5 context handy.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12611

Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2017-03-08 18:00:11 +01:00

50 lines
1.7 KiB
C

/*
* Unix SMB/CIFS implementation.
*
* Simple GSSAPI wrappers
*
* Copyright (c) 2012 Andreas Schneider <asn@samba.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GSS_SAMBA_H
#define _GSS_SAMBA_H
#ifdef HAVE_GSSAPI
#include "system/gssapi.h"
#include "krb5_samba.h"
#if defined(HAVE_GSS_OID_EQUAL)
#define smb_gss_oid_equal gss_oid_equal
#else
int smb_gss_oid_equal(const gss_OID first_oid, const gss_OID second_oid);
#endif /* HAVE_GSS_OID_EQUAL */
/* wrapper around gss_krb5_import_cred() that prefers to use gss_acquire_cred_from()
* if this GSSAPI extension is available. gss_acquire_cred_from() is properly
* interposed by GSS-proxy while gss_krb5_import_cred() is not.
*
* This wrapper requires a proper krb5_context to resolve the ccache name for
* gss_acquire_cred_from().
*
* All gss_krb5_import_cred() callers in Samba already have krb5_context available. */
uint32_t smb_gss_krb5_import_cred(OM_uint32 *minor_status, krb5_context ctx,
krb5_ccache id, krb5_principal keytab_principal,
krb5_keytab keytab, gss_cred_id_t *cred);
#endif /* HAVE_GSSAPI */
#endif /* _GSS_SAMBA_H */