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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Rick Macklem
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _RPC_RPCSEC_TLS_H_
#define _RPC_RPCSEC_TLS_H_
/* Operation values for rpctls syscall. */
#define RPCTLS_SYSC_CLSETPATH 1
#define RPCTLS_SYSC_CLSOCKET 2
#define RPCTLS_SYSC_CLSHUTDOWN 3
#define RPCTLS_SYSC_SRVSETPATH 4
#define RPCTLS_SYSC_SRVSOCKET 5
#define RPCTLS_SYSC_SRVSHUTDOWN 6
/* System call used by the rpctlscd, rpctlssd daemons. */
int rpctls_syscall(int, const char *);
/* Flag bits to indicate certificate results. */
#define RPCTLS_FLAGS_HANDSHAKE 0x01
#define RPCTLS_FLAGS_GOTCERT 0x02
#define RPCTLS_FLAGS_SELFSIGNED 0x04
#define RPCTLS_FLAGS_VERIFIED 0x08
#define RPCTLS_FLAGS_DISABLED 0x10
#define RPCTLS_FLAGS_CERTUSER 0x20
#define RPCTLS_FLAGS_HANDSHFAIL 0x40
/* Error return values for upcall rpcs. */
#define RPCTLSERR_OK 0
#define RPCTLSERR_NOCLOSE 1
#define RPCTLSERR_NOSSL 2
#define RPCTLSERR_NOSOCKET 3
#ifdef _KERNEL
/* Functions that perform upcalls to the rpctlsd daemon. */
enum clnt_stat rpctls_connect(CLIENT *newclient, char *certname,
struct socket *so, uint64_t *sslp, uint32_t *reterr);
enum clnt_stat rpctls_cl_handlerecord(uint64_t sec, uint64_t usec,
uint64_t ssl, uint32_t *reterr);
enum clnt_stat rpctls_srv_handlerecord(uint64_t sec, uint64_t usec,
uint64_t ssl, uint32_t *reterr);
enum clnt_stat rpctls_cl_disconnect(uint64_t sec, uint64_t usec,
uint64_t ssl, uint32_t *reterr);
enum clnt_stat rpctls_srv_disconnect(uint64_t sec, uint64_t usec,
uint64_t ssl, uint32_t *reterr);
/* Initialization function for rpcsec_tls. */
int rpctls_init(void);
/* Get TLS information function. */
bool rpctls_getinfo(u_int *maxlen, bool rpctlscd_run,
bool rpctlssd_run);
/* String for AUTH_TLS reply verifier. */
#define RPCTLS_START_STRING "STARTTLS"
/* ssl refno value to indicate TLS handshake being done. */
#define RPCTLS_REFNO_HANDSHAKE 0xFFFFFFFFFFFFFFFFULL
/* Macros for VIMAGE. */
/* Just define the KRPC_VNETxxx() macros as VNETxxx() macros. */
#define KRPC_VNET_DEFINE(t, n) VNET_DEFINE(t, n)
#define KRPC_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n)
#define KRPC_VNET(n) VNET(n)
#define KRPC_CURVNET_SET(n) CURVNET_SET(n)
#define KRPC_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n)
#define KRPC_CURVNET_RESTORE() CURVNET_RESTORE()
#define KRPC_TD_TO_VNET(n) TD_TO_VNET(n)
#endif /* _KERNEL */
#endif /* _RPC_RPCSEC_TLS_H_ */
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