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 /* System call used by the rpc.tlsclntd(8), rpc.tlsservd(8) daemons. */ 32 int rpctls_syscall(uint64_t); 33 34 /* Flag bits to indicate certificate results. */ 35 #define RPCTLS_FLAGS_HANDSHAKE 0x01 36 #define RPCTLS_FLAGS_GOTCERT 0x02 37 #define RPCTLS_FLAGS_SELFSIGNED 0x04 38 #define RPCTLS_FLAGS_VERIFIED 0x08 39 #define RPCTLS_FLAGS_DISABLED 0x10 40 #define RPCTLS_FLAGS_CERTUSER 0x20 41 #define RPCTLS_FLAGS_HANDSHFAIL 0x40 42 43 /* Error return values for upcall rpcs. */ 44 #define RPCTLSERR_OK 0 45 #define RPCTLSERR_NOCLOSE 1 46 #define RPCTLSERR_NOSSL 2 47 #define RPCTLSERR_NOSOCKET 3 48 49 #ifdef _KERNEL 50 /* Functions that perform upcalls to the rpctlsd daemon. */ 51 enum clnt_stat rpctls_connect(CLIENT *newclient, char *certname, 52 struct socket *so, uint32_t *reterr); 53 enum clnt_stat rpctls_cl_handlerecord(void *socookie, uint32_t *reterr); 54 enum clnt_stat rpctls_srv_handlerecord(void *socookie, uint32_t *reterr); 55 enum clnt_stat rpctls_cl_disconnect(void *socookie, uint32_t *reterr); 56 enum clnt_stat rpctls_srv_disconnect(void *socookie, uint32_t *reterr); 57 58 /* Initialization function for rpcsec_tls. */ 59 int rpctls_init(void); 60 61 /* Get TLS information function. */ 62 bool rpctls_getinfo(u_int *maxlen, bool rpctlscd_run, 63 bool rpctlssd_run); 64 65 /* String for AUTH_TLS reply verifier. */ 66 #define RPCTLS_START_STRING "STARTTLS" 67 68 /* Macros for VIMAGE. */ 69 /* Just define the KRPC_VNETxxx() macros as VNETxxx() macros. */ 70 #define KRPC_VNET_NAME(n) VNET_NAME(n) 71 #define KRPC_VNET_DECLARE(t, n) VNET_DECLARE(t, n) 72 #define KRPC_VNET_DEFINE(t, n) VNET_DEFINE(t, n) 73 #define KRPC_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n) 74 #define KRPC_VNET(n) VNET(n) 75 76 #define CTLFLAG_KRPC_VNET CTLFLAG_VNET 77 78 #define KRPC_CURVNET_SET(n) CURVNET_SET(n) 79 #define KRPC_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n) 80 #define KRPC_CURVNET_RESTORE() CURVNET_RESTORE() 81 #define KRPC_TD_TO_VNET(n) TD_TO_VNET(n) 82 83 #endif /* _KERNEL */ 84 85 #endif /* _RPC_RPCSEC_TLS_H_ */ 86