1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2020 Rick Macklem 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#ifndef _RPC_RPCSEC_TLS_H_ 29#define _RPC_RPCSEC_TLS_H_ 30 31/* Operation values for rpctls syscall. */ 32#define RPCTLS_SYSC_CLSETPATH 1 33#define RPCTLS_SYSC_CLSOCKET 2 34#define RPCTLS_SYSC_CLSHUTDOWN 3 35#define RPCTLS_SYSC_SRVSETPATH 4 36#define RPCTLS_SYSC_SRVSOCKET 5 37#define RPCTLS_SYSC_SRVSHUTDOWN 6 38#define RPCTLS_SYSC_SRVSTARTUP 7 39 40/* Max nprocs for SRV startup */ 41#define RPCTLS_SRV_MAXNPROCS 16 42 43/* System call used by the rpctlscd, rpctlssd daemons. */ 44int rpctls_syscall(int, const char *); 45 46/* Flag bits to indicate certificate results. */ 47#define RPCTLS_FLAGS_HANDSHAKE 0x01 48#define RPCTLS_FLAGS_GOTCERT 0x02 49#define RPCTLS_FLAGS_SELFSIGNED 0x04 50#define RPCTLS_FLAGS_VERIFIED 0x08 51#define RPCTLS_FLAGS_DISABLED 0x10 52#define RPCTLS_FLAGS_CERTUSER 0x20 53#define RPCTLS_FLAGS_HANDSHFAIL 0x40 54 55/* Error return values for upcall rpcs. */ 56#define RPCTLSERR_OK 0 57#define RPCTLSERR_NOCLOSE 1 58#define RPCTLSERR_NOSSL 2 59#define RPCTLSERR_NOSOCKET 3 60 61#ifdef _KERNEL 62/* Functions that perform upcalls to the rpctlsd daemon. */ 63enum clnt_stat rpctls_connect(CLIENT *newclient, char *certname, 64 struct socket *so, uint64_t *sslp, uint32_t *reterr); 65enum clnt_stat rpctls_cl_handlerecord(uint64_t sec, uint64_t usec, 66 uint64_t ssl, uint32_t *reterr); 67enum clnt_stat rpctls_srv_handlerecord(uint64_t sec, uint64_t usec, 68 uint64_t ssl, int procpos, uint32_t *reterr); 69enum clnt_stat rpctls_cl_disconnect(uint64_t sec, uint64_t usec, 70 uint64_t ssl, uint32_t *reterr); 71enum clnt_stat rpctls_srv_disconnect(uint64_t sec, uint64_t usec, 72 uint64_t ssl, int procpos, uint32_t *reterr); 73 74/* Initialization function for rpcsec_tls. */ 75int rpctls_init(void); 76 77/* Get TLS information function. */ 78bool rpctls_getinfo(u_int *maxlen, bool rpctlscd_run, 79 bool rpctlssd_run); 80 81/* String for AUTH_TLS reply verifier. */ 82#define RPCTLS_START_STRING "STARTTLS" 83 84/* ssl refno value to indicate TLS handshake being done. */ 85#define RPCTLS_REFNO_HANDSHAKE 0xFFFFFFFFFFFFFFFFULL 86 87/* Macros for VIMAGE. */ 88/* Just define the KRPC_VNETxxx() macros as VNETxxx() macros. */ 89#define KRPC_VNET_NAME(n) VNET_NAME(n) 90#define KRPC_VNET_DECLARE(t, n) VNET_DECLARE(t, n) 91#define KRPC_VNET_DEFINE(t, n) VNET_DEFINE(t, n) 92#define KRPC_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n) 93#define KRPC_VNET(n) VNET(n) 94 95#define CTLFLAG_KRPC_VNET CTLFLAG_VNET 96 97#define KRPC_CURVNET_SET(n) CURVNET_SET(n) 98#define KRPC_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n) 99#define KRPC_CURVNET_RESTORE() CURVNET_RESTORE() 100#define KRPC_TD_TO_VNET(n) TD_TO_VNET(n) 101 102#endif /* _KERNEL */ 103 104#endif /* _RPC_RPCSEC_TLS_H_ */ 105