44a72140b6
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14907 ec53bebd-3082-4978-b11e-865c3cabbd6b
360 lines
7.9 KiB
Groff
360 lines
7.9 KiB
Groff
.\" Copyright (c) 2003, 2005 Kungliga Tekniska Högskolan
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.\" (Royal Institute of Technology, Stockholm, Sweden).
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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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.\"
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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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.\"
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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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.\" 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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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.\" $Id$
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.\"
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.Dd April 24, 2005
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.Dt KRB5_ADDRESS 3
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.Os HEIMDAL
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.Sh NAME
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.Nm krb5_address ,
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.Nm krb5_addresses ,
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.Nm krb5_sockaddr2address ,
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.Nm krb5_sockaddr2port ,
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.Nm krb5_addr2sockaddr ,
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.Nm krb5_max_sockaddr_size ,
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.Nm krb5_sockaddr_uninteresting ,
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.Nm krb5_h_addr2sockaddr ,
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.Nm krb5_h_addr2addr ,
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.Nm krb5_anyaddr ,
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.Nm krb5_print_address ,
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.Nm krb5_parse_address ,
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.Nm krb5_address_order ,
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.Nm krb5_address_compare ,
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.Nm krb5_address_search ,
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.Nm krb5_free_address ,
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.Nm krb5_free_addresses ,
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.Nm krb5_copy_address ,
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.Nm krb5_copy_addresses ,
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.Nm krb5_append_addresses ,
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.Nm krb5_make_addrport
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.Nd mange addresses in Kerberos
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.Sh LIBRARY
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Kerberos 5 Library (libkrb5, -lkrb5)
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.Sh SYNOPSIS
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.In krb5.h
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.Pp
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.Ft krb5_error_code
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.Fo krb5_sockaddr2address
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.Fa "krb5_context context"
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.Fa "const struct sockaddr *sa"
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.Fa "krb5_address *addr"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_sockaddr2port
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.Fa "krb5_context context"
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.Fa "const struct sockaddr *sa"
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.Fa "int16_t *port"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_addr2sockaddr
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.Fa "krb5_context context"
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.Fa "const krb5_address *addr"
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.Fa "struct sockaddr *sa"
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.Fa "krb5_socklen_t *sa_size"
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.Fa "int port"
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.Fc
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.Ft size_t
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.Fo krb5_max_sockaddr_size
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.Fa "void"
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.Fc
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.Ft "krb5_boolean"
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.Fo krb5_sockaddr_uninteresting
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.Fa "const struct sockaddr *sa"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_h_addr2sockaddr
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.Fa "krb5_context context"
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.Fa "int af"
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.Fa "const char *addr"
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.Fa "struct sockaddr *sa"
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.Fa "krb5_socklen_t *sa_size"
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.Fa "int port"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_h_addr2addr
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.Fa "krb5_context context"
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.Fa "int af"
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.Fa "const char *haddr"
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.Fa "krb5_address *addr"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_anyaddr
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.Fa "krb5_context context"
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.Fa "int af"
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.Fa "struct sockaddr *sa"
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.Fa "krb5_socklen_t *sa_size"
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.Fa "int port"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_print_address
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.Fa "const krb5_address *addr"
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.Fa "char *str"
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.Fa "size_t len"
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.Fa "size_t *ret_len"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_parse_address
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.Fa "krb5_context context"
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.Fa "const char *string"
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.Fa "krb5_addresses *addresses"
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.Fc
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.Ft int
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.Fo "krb5_address_order"
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.Fa "krb5_context context"
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.Fa "const krb5_address *addr1"
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.Fa "const krb5_address *addr2"
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.Fc
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.Ft "krb5_boolean"
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.Fo krb5_address_compare
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.Fa "krb5_context context"
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.Fa "const krb5_address *addr1"
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.Fa "const krb5_address *addr2"
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.Fc
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.Ft "krb5_boolean"
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.Fo krb5_address_search
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.Fa "krb5_context context"
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.Fa "const krb5_address *addr"
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.Fa "const krb5_addresses *addrlist"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_free_address
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.Fa "krb5_context context"
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.Fa "krb5_address *address"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_free_addresses
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.Fa "krb5_context context"
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.Fa "krb5_addresses *addresses"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_copy_address
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.Fa "krb5_context context"
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.Fa "const krb5_address *inaddr"
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.Fa "krb5_address *outaddr"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_copy_addresses
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.Fa "krb5_context context"
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.Fa "const krb5_addresses *inaddr"
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.Fa "krb5_addresses *outaddr"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_append_addresses
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.Fa "krb5_context context"
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.Fa "krb5_addresses *dest"
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.Fa "const krb5_addresses *source"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_make_addrport
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.Fa "krb5_context context"
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.Fa "krb5_address **res"
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.Fa "const krb5_address *addr"
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.Fa "int16_t port"
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.Fc
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.Sh DESCRIPTION
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The
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.Li krb5_address
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structure holds a address that can be used in Kerberos API
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calls. There are help functions to set and extract address information
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of the address.
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.Pp
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The
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.Li krb5_addresses
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structure holds a set of krb5_address:es.
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.Pp
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.Fn krb5_sockaddr2address
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stores a address a
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.Li "struct sockaddr"
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.Fa sa
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in the krb5_address
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.Fa addr .
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.Pp
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.Fn krb5_sockaddr2port
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extracts a
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.Fa port
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(if possible) from a
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.Li "struct sockaddr"
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.Fa sa .
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.Pp
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.Fn krb5_addr2sockaddr
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sets the
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struct sockaddr
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.Fa sockaddr
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from
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.Fa addr
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and
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.Fa port .
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The argument
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.Fa sa_size
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should initially contain the size of the
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.Fa sa ,
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and after the call, it will contain the actual length of the address.
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.Pp
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.Fn krb5_max_sockaddr_size
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returns the max size of the
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.Li struct sockaddr
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that the Kerberos library will return.
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.Pp
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.Fn krb5_sockaddr_uninteresting
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returns
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.Dv TRUE
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for all
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.Fa sa
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that the kerberos library thinks are uninteresting.
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One example are link local addresses.
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.Pp
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.Fn krb5_h_addr2sockaddr
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initializes a
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.Li "struct sockaddr"
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.Fa sa
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from
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.Fa af
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and the
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.Li "struct hostent"
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(see
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.Xr gethostbyname 3 )
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.Fa h_addr_list
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component.
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The argument
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.Fa sa_size
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should initially contain the size of the
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.Fa sa ,
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and after the call, it will contain the actual length of the address.
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.Pp
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.Fn krb5_h_addr2addr
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works like
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.Fn krb5_h_addr2sockaddr
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with the exception that it operates on a
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.Li krb5_address
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instead of a
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.Li struct sockaddr .
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.Pp
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.Fn krb5_anyaddr
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fills in a
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.Li "struct sockaddr"
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.Fa sa
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that can be used to
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.Xf bind 2
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to.
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The argument
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.Fa sa_size
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should initially contain the size of the
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.Fa sa ,
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and after the call, it will contain the actual length of the address.
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.Pp
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.Fn krb5_print_address
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prints the address in
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.Fa addr
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to the string
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.Fa string
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that have the length
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.Fa len .
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If
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.Fa ret_len
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is not
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.Dv NULL ,
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it will be filled with the length of the string if size where unlimited (not
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included the final
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.Ql \e0 ) .
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.Pp
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.Fn krb5_parse_address
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Returns the resolved a hostname in
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.Fa string
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to the
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.Li krb5_addresses
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.Fa addresses .
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.Pp
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.Fn krb5_address_order
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compares the addresses
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.Fa addr1
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and
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.Fa addr2
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so that it can be used for sorting addresses. If the addresses are the
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same address
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.Fa krb5_address_order
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will be return 0.
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.Pp
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.Fn krb5_address_compare
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compares the addresses
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.Fa addr1
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and
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.Fa addr2 .
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Returns
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.Dv TRUE
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if the two addresses are the same.
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.Pp
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.Fn krb5_address_search
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checks if the address
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.Fa addr
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is a member of the address set list
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.Fa addrlist .
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.Pp
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.Fn krb5_free_address
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frees the data stored in the
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.Fa address
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that is alloced with any of the krb5_address functions.
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.Pp
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.Fn krb5_free_addresses
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frees the data stored in the
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.Fa addresses
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that is alloced with any of the krb5_address functions.
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.Pp
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.Fn krb5_copy_address
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copies the content of address
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.Fa inaddr
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to
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.Fa outaddr .
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.Pp
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.Fn krb5_copy_addresses
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copies the content of the address list
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.Fa inaddr
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to
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.Fa outaddr .
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.Pp
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.Fn krb5_append_addresses
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adds the set of addresses in
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.Fa source
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to
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.Fa dest .
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While copying the addresses, duplicates are also sorted out.
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.Pp
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.Fn krb5_make_addrport
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allocates and creates an
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krb5_address in
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.Fa res
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of type KRB5_ADDRESS_ADDRPORT from
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.Fa ( addr , port ) .
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.Sh SEE ALSO
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.Xr krb5 3 ,
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.Xr krb5.conf 5 ,
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.Xr kerberos 8
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