2003-11-03 12:08:41 +00:00
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.\"
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2006-03-13 09:37:22 +00:00
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.\" Copyright (c) 2004-2005
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.\" Hartmut Brandt.
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.\" All rights reserved.
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2003-11-03 12:08:41 +00:00
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.\" Copyright (c) 2001-2003
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.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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.\" All rights reserved.
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.\"
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2004-07-08 16:38:36 +00:00
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.\" Author: Hartmut Brandt <harti@freebsd.org>
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.\"
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2003-11-03 12:08:41 +00:00
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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2006-03-13 09:37:22 +00:00
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.\" $Begemot: libunimsg/man/uniaddr.3,v 1.6 2005/06/15 11:37:08 brandt_h Exp $
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2003-11-03 12:08:41 +00:00
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.\"
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2006-03-13 09:37:22 +00:00
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.Dd June 14, 2005
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2005-05-23 12:22:12 +00:00
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.Dt UNIADDR 3
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2003-11-03 12:08:41 +00:00
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.Os
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.Sh NAME
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.Nm unimsg ,
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.Nm uni_str2nsap ,
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.Nm uni_nsap2str ,
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.Nm uni_prefix2str ,
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.Nm uni_e1642nsap ,
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.Nm uni_nsap2e164
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.Nd "ATM signalling library - address handling"
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.Sh LIBRARY
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Begemot ATM signalling library
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.Pq libunimsg, -lunimsg
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.Sh SYNOPSIS
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.In netnatm/addr.h
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.Ft int
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.Fn uni_str2nsap "u_char *nsap" "const char *str"
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.Ft void
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.Fn uni_nsap2str "char *str" "const u_char *nsap" "int dots"
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.Ft void
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.Fn uni_prefix2str "char *str" "const u_char *prefix" "u_int len" "int dots"
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.Ft int
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.Fn uni_e1642nsap "u_char *nsap" "const char *e164"
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.Ft int
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.Fn uni_nsap2e164 "char *e164" "const u_char *nsap" "int check"
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.Sh DESCRIPTION
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The UNI message library contains a number of utility functions to handle
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NSAP and E.164 addresses.
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.Pp
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The function
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.Fn uni_str2nsap
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parses a string and interprets it as an NSAP address.
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The string should consist of exact 40 hexadecimal digits
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(upper and lower case are allowed) and any
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number of dots at any position.
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Any other character is illegal.
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The resulting NSAP address is written to the buffer pointed to by
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.Fa nsap .
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This buffer should be at least 20 bytes.
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On success the funtion returns 0.
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If an parsing error happens -1 is returned.
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.Pp
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The function
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.Fn uni_nsap2str
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converts the NSAP address pointed to by
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.Fa nsap
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into a string.
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For some commonly used NSAP formats (those with leading
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octets 0x39, 0x45 or 0x47) dots may be inserted to make the address more
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readable by passing a non-0 value in
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.Fa dots .
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The buffer pointed to by
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.Fa str
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should be large enough to hold the resulting string plus the terminating NUL.
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A size of 80 byte is large enough for all cases.
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.Pp
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The function
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.Fn uni_prefix2str
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converts an NSAP prefix to a string.
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The length of the NSAP prefix in bytes is passed in
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.Fa len .
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.Li "uni_nsap2str(str, nsap, dots)"
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is equivalent to
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.Li "uni_prefix2str(str, nsap, 20, dots)" .
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.Pp
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The function
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.Fn uni_e1642nsap
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converts an E.164 address given as an ASCII string to an embedded E.164 NSAP
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address.
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The string pointed to by
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.Fa e164
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must consist of at least 1 and not more than 15 ASCII digits.
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The function returns 0 on success and -1 if the E.164 address was malformed.
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.Pp
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The function
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.Fn uni_nsap2e164
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extracts the E.164 address from an embedded E.164 NSAP address.
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The argument
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.Fa check
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specifies whether the NSAP address should be checked for correct syntax.
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If
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.Fa check
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is 0 the last 11 bytes of the address are ignored.
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If
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.Fa check
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is 1 the last 11 bytes except the selector byte must be zero.
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If
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.Fa check
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is 2 the last 11 bytes must be zero.
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The function returns 0 on success and -1 when the NSAP address was not an
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embedded E.164 NSAP or one of the additional checks failed.
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.Sh SEE ALSO
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2005-05-23 12:22:12 +00:00
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.Xr libngatm 3
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2003-11-03 12:08:41 +00:00
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.Sh AUTHORS
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.An Hartmut Brandt Aq harti@freebsd.org
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