933a5c57b3
behavior change: policy syntax was changed. you may need to update your setkey(8) configuration files.
81 lines
2.6 KiB
Groff
81 lines
2.6 KiB
Groff
.\" Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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.\" $FreeBSD$
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.\" $KAME: ipsec_strerror.3,v 1.6 2000/05/07 05:25:03 itojun Exp $
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the project nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd May 6, 1998
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.Dt IPSEC_STRERROR 3
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.Os
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.\"
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.Sh NAME
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.Nm ipsec_strerror
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.Nd error code for IPsec policy manipulation library
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.\"
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.Sh SYNOPSIS
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.Fd #include <netinet6/ipsec.h>
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.Ft "char *"
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.Fn ipsec_strerror
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.\"
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.Sh DESCRIPTION
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.Pa netinet6/ipsec.h
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declares
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.Pp
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.Dl extern int ipsec_errcode;
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.Pp
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which is used to pass error code from IPsec policy manipulation library
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to user program.
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.Fn ipsec_strerror
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can be used to obtain error message string for the error code.
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.Pp
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The array pointed to is not to be modified by the program.
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Since
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.Fn ipsec_strerror
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uses
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.Xr strerror 3
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as underlying function, calling
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.Xr strerror 3
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after
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.Fn ipsec_strerror
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would make the return value from
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.Fn ipsec_strerror
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invalid, or overwritten.
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.\"
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.Sh RETURN VALUES
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.Fn ipsec_strerror
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always return a pointer to C string.
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The C string must not be overwritten by user programs.
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.\"
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.Sh SEE ALSO
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.Xr ipsec_set_policy 3
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.\"
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.Sh HISTORY
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The functions first appeared in WIDE/KAME IPv6 protocol stack kit.
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.\"
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.\" .Sh BUGS
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.\" (to be written)
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