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 39 /* System call used by the rpctlscd, rpctlssd daemons. */ 40 int rpctls_syscall(int, const char *); 41 42 /* Flag bits to indicate certificate results. */ 43 #define RPCTLS_FLAGS_HANDSHAKE 0x01 44 #define RPCTLS_FLAGS_GOTCERT 0x02 45 #define RPCTLS_FLAGS_SELFSIGNED 0x04 46 #define RPCTLS_FLAGS_VERIFIED 0x08 47 #define RPCTLS_FLAGS_DISABLED 0x10 48 #define RPCTLS_FLAGS_CERTUSER 0x20 49 #define RPCTLS_FLAGS_HANDSHFAIL 0x40 50 51 /* Error return values for upcall rpcs. */ 52 #define RPCTLSERR_OK 0 53 #define RPCTLSERR_NOCLOSE 1 54 #define RPCTLSERR_NOSSL 2 55 #define RPCTLSERR_NOSOCKET 3 56 57 #ifdef _KERNEL 58 /* Functions that perform upcalls to the rpctlsd daemon. */ 59 enum clnt_stat rpctls_connect(CLIENT *newclient, char *certname, 60 struct socket *so, uint64_t *sslp, uint32_t *reterr); 61 enum clnt_stat rpctls_cl_handlerecord(uint64_t sec, uint64_t usec, 62 uint64_t ssl, uint32_t *reterr); 63 enum clnt_stat rpctls_srv_handlerecord(uint64_t sec, uint64_t usec, 64 uint64_t ssl, uint32_t *reterr); 65 enum clnt_stat rpctls_cl_disconnect(uint64_t sec, uint64_t usec, 66 uint64_t ssl, uint32_t *reterr); 67 enum clnt_stat rpctls_srv_disconnect(uint64_t sec, uint64_t usec, 68 uint64_t ssl, uint32_t *reterr); 69 70 /* Initialization function for rpcsec_tls. */ 71 int rpctls_init(void); 72 73 /* Get TLS information function. */ 74 bool rpctls_getinfo(u_int *maxlen, bool rpctlscd_run, 75 bool rpctlssd_run); 76 77 /* String for AUTH_TLS reply verifier. */ 78 #define RPCTLS_START_STRING "STARTTLS" 79 80 /* ssl refno value to indicate TLS handshake being done. */ 81 #define RPCTLS_REFNO_HANDSHAKE 0xFFFFFFFFFFFFFFFFULL 82 83 /* Macros for VIMAGE. */ 84 /* Just define the KRPC_VNETxxx() macros as VNETxxx() macros. */ 85 #define KRPC_VNET_DEFINE(t, n) VNET_DEFINE(t, n) 86 #define KRPC_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n) 87 #define KRPC_VNET(n) VNET(n) 88 89 #define KRPC_CURVNET_SET(n) CURVNET_SET(n) 90 #define KRPC_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n) 91 #define KRPC_CURVNET_RESTORE() CURVNET_RESTORE() 92 #define KRPC_TD_TO_VNET(n) TD_TO_VNET(n) 93 94 #endif /* _KERNEL */ 95 96 #endif /* _RPC_RPCSEC_TLS_H_ */ 97