The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/rpc/rpcsec_tls.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    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  * $FreeBSD$
   28  */
   29 
   30 #ifndef _RPC_RPCSEC_TLS_H_
   31 #define _RPC_RPCSEC_TLS_H_
   32 
   33 /* Operation values for rpctls syscall. */
   34 #define RPCTLS_SYSC_CLSETPATH   1
   35 #define RPCTLS_SYSC_CLSOCKET    2
   36 #define RPCTLS_SYSC_CLSHUTDOWN  3
   37 #define RPCTLS_SYSC_SRVSETPATH  4
   38 #define RPCTLS_SYSC_SRVSOCKET   5
   39 #define RPCTLS_SYSC_SRVSHUTDOWN 6
   40 #define RPCTLS_SYSC_SRVSTARTUP  7
   41 
   42 /* Max nprocs for SRV startup */
   43 #define RPCTLS_SRV_MAXNPROCS    16
   44 
   45 /* System call used by the rpctlscd, rpctlssd daemons. */
   46 int     rpctls_syscall(int, const char *);
   47 
   48 /* Flag bits to indicate certificate results. */
   49 #define RPCTLS_FLAGS_HANDSHAKE  0x01
   50 #define RPCTLS_FLAGS_GOTCERT    0x02
   51 #define RPCTLS_FLAGS_SELFSIGNED 0x04
   52 #define RPCTLS_FLAGS_VERIFIED   0x08
   53 #define RPCTLS_FLAGS_DISABLED   0x10
   54 #define RPCTLS_FLAGS_CERTUSER   0x20
   55 #define RPCTLS_FLAGS_HANDSHFAIL 0x40
   56 
   57 /* Error return values for upcall rpcs. */
   58 #define RPCTLSERR_OK            0
   59 #define RPCTLSERR_NOCLOSE       1
   60 #define RPCTLSERR_NOSSL         2
   61 #define RPCTLSERR_NOSOCKET      3
   62 
   63 #ifdef _KERNEL
   64 /* Functions that perform upcalls to the rpctlsd daemon. */
   65 enum clnt_stat  rpctls_connect(CLIENT *newclient, char *certname,
   66                     struct socket *so, uint64_t *sslp, uint32_t *reterr);
   67 enum clnt_stat  rpctls_cl_handlerecord(uint64_t sec, uint64_t usec,
   68                     uint64_t ssl, uint32_t *reterr);
   69 enum clnt_stat  rpctls_srv_handlerecord(uint64_t sec, uint64_t usec,
   70                     uint64_t ssl, int procpos, uint32_t *reterr);
   71 enum clnt_stat  rpctls_cl_disconnect(uint64_t sec, uint64_t usec,
   72                     uint64_t ssl, uint32_t *reterr);
   73 enum clnt_stat  rpctls_srv_disconnect(uint64_t sec, uint64_t usec,
   74                     uint64_t ssl, int procpos, uint32_t *reterr);
   75 
   76 /* Initialization function for rpcsec_tls. */
   77 int             rpctls_init(void);
   78 
   79 /* Get TLS information function. */
   80 bool            rpctls_getinfo(u_int *maxlen, bool rpctlscd_run,
   81                     bool rpctlssd_run);
   82 
   83 /* String for AUTH_TLS reply verifier. */
   84 #define RPCTLS_START_STRING     "STARTTLS"
   85 
   86 /* ssl refno value to indicate TLS handshake being done. */
   87 #define RPCTLS_REFNO_HANDSHAKE  0xFFFFFFFFFFFFFFFFULL
   88 
   89 #endif  /* _KERNEL */
   90 
   91 #endif  /* _RPC_RPCSEC_TLS_H_ */

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