| 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_ */ |