98 lines
2.3 KiB
Groff
98 lines
2.3 KiB
Groff
.\" @(#)rpc_clnt_auth.3n 1.21 93/05/07 SMI; from SVr4
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.\" Copyright 1989 AT&T
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.\" @(#)rpc_clnt_auth 1.4 89/07/20 SMI;
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.\" Copyright (c) 1988 Sun Microsystems, Inc. - All Rights Reserved.
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.\" $NetBSD: rpc_clnt_auth.3,v 1.4 2002/02/07 07:00:23 ross Exp $
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.Dd May 7, 1993
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.Dt RPC_CLNT_AUTH 3
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.Os
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.Sh NAME
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.Nm auth_destroy ,
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.Nm authnone_create ,
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.Nm authsys_create ,
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.Nm authsys_create_default
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.Nd library routines for client side remote procedure call authentication
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.Fd #include \*[Lt]rpc/rpc.h\*[Gt]
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.Ft "void"
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.Fn auth_destroy "AUTH *auth"
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.Ft "AUTH *"
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.Fn authnone_create "void"
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.Ft "AUTH *"
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.Fn authsys_create "const char *host" "const uid_t uid" "const gid_t gid" "const int len" "const gid_t *aup_gids"
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.Ft "AUTH *"
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.Fn authsys_create_default "void"
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.Sh DESCRIPTION
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These routines are part of the
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RPC library that allows C language programs to make procedure
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calls on other machines across the network,
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with desired authentication.
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.Pp
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These routines are normally called after creating the
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.Dv CLIENT
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handle.
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The
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.Fa cl_auth
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field of the
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.Dv CLIENT
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structure should be initialized by the
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.Dv AUTH
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structure returned by some of the following routines.
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The client's authentication information
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is passed to the server when the
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RPC
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call is made.
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.Pp
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Only the
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.Dv NULL
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and the
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.Dv SYS
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style of authentication is discussed here.
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.Sh ROUTINES
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.Bl -tag -width authsys_create_default()
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.It Fn auth_destroy
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A function macro that destroys the authentication
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information associated with
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.Fa auth .
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Destruction usually involves deallocation
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of private data structures.
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The use of
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.Fn auth
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is undefined after calling
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.Fn auth_destroy .
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.Pp
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.It Fn authnone_create
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Create and return an RPC
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authentication handle that passes nonusable
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authentication information with each remote procedure call.
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This is the default authentication used by RPC.
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.Pp
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.It Fn authsys_create
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Create and return an RPC authentication handle that contains
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.Dv AUTH_SYS
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authentication information.
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The parameter
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.Fa host
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is the name of the machine on which the information was
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created;
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.Fa uid
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is the user's user ID;
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.Fa gid
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is the user's current group ID;
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.Fa len
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and
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.Fa aup_gids
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refer to a counted array of groups to which the user belongs.
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.Pp
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.It Fn authsys_create_default
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Call
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.Fn authsys_create
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with the appropriate parameters.
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.El
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.Sh SEE ALSO
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.Xr rpc 3 ,
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.Xr rpc_clnt_calls 3 ,
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.Xr rpc_clnt_create 3
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