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8785398f8a
was approved in 2010 by Wim Coekaerts, Senior Vice President, Linux and Virtualization at Oracle Corporation.
320 lines
12 KiB
Plaintext
320 lines
12 KiB
Plaintext
%/*-
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% * Copyright (c) 2010, Oracle America, Inc.
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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 are
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% * met:
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% *
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% * * 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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% * * Redistributions in binary form must reproduce the above
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% * copyright notice, this list of conditions and the following
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% * disclaimer in the documentation and/or other materials
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% * provided with the distribution.
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% * * Neither the name of the "Oracle America, Inc." nor the names of its
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% * contributors may be used to endorse or promote products derived
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% * from this software without specific prior written permission.
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% *
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% * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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% * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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% * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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% * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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% * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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% * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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% * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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% * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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% * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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% * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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% * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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% * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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% */
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/*
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* nis_object.x
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*
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* Copyright (c) 1988-1992 Sun Microsystems Inc
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* All Rights Reserved.
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*/
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/* $FreeBSD$ */
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/* From: %#pragma ident "@(#)nis_object.x 1.10 94/05/03 SMI" */
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#if RPC_HDR
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%
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%#ifndef __nis_object_h
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%#define __nis_object_h
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%
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#endif
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/*
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* This file defines the format for a NIS object in RPC language.
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* It is included by the main .x file and the database access protocol
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* file. It is common because both of them need to deal with the same
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* type of object. Generating the actual code though is a bit messy because
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* the nis.x file and the nis_dba.x file will generate xdr routines to
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* encode/decode objects when only one set is needed. Such is life when
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* one is using rpcgen.
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*
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* Note, the protocol doesn't specify any limits on such things as
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* maximum name length, number of attributes, etc. These are enforced
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* by the database backend. When you hit them you will no. Also see
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* the db_getlimits() function for fetching the limit values.
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*
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*/
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/* Some manifest constants, chosen to maximize flexibility without
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* plugging the wire full of data.
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*/
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const NIS_MAXSTRINGLEN = 255;
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const NIS_MAXNAMELEN = 1024;
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const NIS_MAXATTRNAME = 32;
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const NIS_MAXATTRVAL = 2048;
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const NIS_MAXCOLUMNS = 64;
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const NIS_MAXATTR = 16;
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const NIS_MAXPATH = 1024;
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const NIS_MAXREPLICAS = 128;
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const NIS_MAXLINKS = 16;
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const NIS_PK_NONE = 0; /* no public key (unix/sys auth) */
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const NIS_PK_DH = 1; /* Public key is Diffie-Hellman type */
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const NIS_PK_RSA = 2; /* Public key if RSA type */
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const NIS_PK_KERB = 3; /* Use kerberos style authentication */
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/*
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* The fundamental name type of NIS. The name may consist of two parts,
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* the first being the fully qualified name, and the second being an
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* optional set of attribute/value pairs.
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*/
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struct nis_attr {
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string zattr_ndx<>; /* name of the index */
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opaque zattr_val<>; /* Value for the attribute. */
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};
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typedef string nis_name<>; /* The NIS name itself. */
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/* NIS object types are defined by the following enumeration. The numbers
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* they use are based on the following scheme :
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* 0 - 1023 are reserved for Sun,
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* 1024 - 2047 are defined to be private to a particular tree.
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* 2048 - 4095 are defined to be user defined.
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* 4096 - ... are reserved for future use.
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*/
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enum zotypes {
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BOGUS_OBJ = 0, /* Uninitialized object structure */
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NO_OBJ = 1, /* NULL object (no data) */
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DIRECTORY_OBJ = 2, /* Directory object describing domain */
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GROUP_OBJ = 3, /* Group object (a list of names) */
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TABLE_OBJ = 4, /* Table object (a database schema) */
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ENTRY_OBJ = 5, /* Entry object (a database record) */
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LINK_OBJ = 6, /* A name link. */
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PRIVATE_OBJ = 7 /* Private object (all opaque data) */
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};
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/*
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* The types of Name services NIS knows about. They are enumerated
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* here. The Binder code will use this type to determine if it has
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* a set of library routines that will access the indicated name service.
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*/
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enum nstype {
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UNKNOWN = 0,
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NIS = 1, /* Nis Plus Service */
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SUNYP = 2, /* Old NIS Service */
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IVY = 3, /* Nis Plus Plus Service */
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DNS = 4, /* Domain Name Service */
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X500 = 5, /* ISO/CCCIT X.500 Service */
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DNANS = 6, /* Digital DECNet Name Service */
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XCHS = 7, /* Xerox ClearingHouse Service */
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CDS= 8
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};
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/*
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* DIRECTORY - The name service object. These objects identify other name
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* servers that are serving some portion of the name space. Each has a
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* type associated with it. The resolver library will note whether or not
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* is has the needed routines to access that type of service.
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* The oarmask structure defines an access rights mask on a per object
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* type basis for the name spaces. The only bits currently used are
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* create and destroy. By enabling or disabling these access rights for
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* a specific object type for a one of the accessor entities (owner,
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* group, world) the administrator can control what types of objects
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* may be freely added to the name space and which require the
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* administrator's approval.
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*/
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struct oar_mask {
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u_long oa_rights; /* Access rights mask */
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zotypes oa_otype; /* Object type */
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};
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struct endpoint {
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string uaddr<>;
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string family<>; /* Transport family (INET, OSI, etc) */
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string proto<>; /* Protocol (TCP, UDP, CLNP, etc) */
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};
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/*
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* Note: pkey is a netobj which is limited to 1024 bytes which limits the
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* keysize to 8192 bits. This is consider to be a reasonable limit for
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* the expected lifetime of this service.
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*/
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struct nis_server {
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nis_name name; /* Principal name of the server */
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endpoint ep<>; /* Universal addr(s) for server */
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u_long key_type; /* Public key type */
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netobj pkey; /* server's public key */
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};
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struct directory_obj {
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nis_name do_name; /* Name of the directory being served */
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nstype do_type; /* one of NIS, DNS, IVY, YP, or X.500 */
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nis_server do_servers<>; /* <0> == Primary name server */
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u_long do_ttl; /* Time To Live (for caches) */
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oar_mask do_armask<>; /* Create/Destroy rights by object type */
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};
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/*
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* ENTRY - This is one row of data from an information base.
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* The type value is used by the client library to convert the entry to
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* it's internal structure representation. The Table name is a back pointer
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* to the table where the entry is stored. This allows the client library
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* to determine where to send a request if the client wishes to change this
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* entry but got to it through a LINK rather than directly.
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* If the entry is a "standalone" entry then this field is void.
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*/
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const EN_BINARY = 1; /* Indicates value is binary data */
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const EN_CRYPT = 2; /* Indicates the value is encrypted */
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const EN_XDR = 4; /* Indicates the value is XDR encoded */
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const EN_MODIFIED = 8; /* Indicates entry is modified. */
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const EN_ASN1 = 64; /* Means contents use ASN.1 encoding */
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struct entry_col {
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u_long ec_flags; /* Flags for this value */
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opaque ec_value<>; /* It's textual value */
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};
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struct entry_obj {
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string en_type<>; /* Type of entry such as "passwd" */
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entry_col en_cols<>; /* Value for the entry */
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};
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/*
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* GROUP - The group object contains a list of NIS principal names. Groups
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* are used to authorize principals. Each object has a set of access rights
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* for members of its group. Principal names in groups are in the form
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* name.directory and recursive groups are expressed as @groupname.directory
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*/
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struct group_obj {
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u_long gr_flags; /* Flags controlling group */
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nis_name gr_members<>; /* List of names in group */
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};
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/*
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* LINK - This is the LINK object. It is quite similar to a symbolic link
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* in the UNIX filesystem. The attributes in the main object structure are
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* relative to the LINK data and not what it points to (like the file system)
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* "modify" privleges here indicate the right to modify what the link points
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* at and not to modify that actual object pointed to by the link.
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*/
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struct link_obj {
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zotypes li_rtype; /* Real type of the object */
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nis_attr li_attrs<>; /* Attribute/Values for tables */
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nis_name li_name; /* The object's real NIS name */
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};
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/*
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* TABLE - This is the table object. It implements a simple
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* data base that applications and use for configuration or
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* administration purposes. The role of the table is to group together
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* a set of related entries. Tables are the simple database component
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* of NIS. Like many databases, tables are logically divided into columns
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* and rows. The columns are labeled with indexes and each ENTRY makes
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* up a row. Rows may be addressed within the table by selecting one
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* or more indexes, and values for those indexes. Each row which has
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* a value for the given index that matches the desired value is returned.
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* Within the definition of each column there is a flags variable, this
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* variable contains flags which determine whether or not the column is
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* searchable, contains binary data, and access rights for the entry objects
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* column value.
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*/
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const TA_BINARY = 1; /* Means table data is binary */
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const TA_CRYPT = 2; /* Means value should be encrypted */
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const TA_XDR = 4; /* Means value is XDR encoded */
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const TA_SEARCHABLE = 8; /* Means this column is searchable */
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const TA_CASE = 16; /* Means this column is Case Sensitive */
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const TA_MODIFIED = 32; /* Means this columns attrs are modified*/
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const TA_ASN1 = 64; /* Means contents use ASN.1 encoding */
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struct table_col {
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string tc_name<64>; /* Column Name */
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u_long tc_flags; /* control flags */
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u_long tc_rights; /* Access rights mask */
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};
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struct table_obj {
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string ta_type<64>; /* Table type such as "passwd" */
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int ta_maxcol; /* Total number of columns */
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u_char ta_sep; /* Separator character */
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table_col ta_cols<>; /* The number of table indexes */
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string ta_path<>; /* A search path for this table */
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};
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/*
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* This union joins together all of the currently known objects.
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*/
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union objdata switch (zotypes zo_type) {
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case DIRECTORY_OBJ :
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struct directory_obj di_data;
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case GROUP_OBJ :
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struct group_obj gr_data;
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case TABLE_OBJ :
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struct table_obj ta_data;
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case ENTRY_OBJ:
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struct entry_obj en_data;
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case LINK_OBJ :
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struct link_obj li_data;
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case PRIVATE_OBJ :
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opaque po_data<>;
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case NO_OBJ :
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void;
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case BOGUS_OBJ :
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void;
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default :
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void;
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};
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/*
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* This is the basic NIS object data type. It consists of a generic part
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* which all objects contain, and a specialized part which varies depending
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* on the type of the object. All of the specialized sections have been
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* described above. You might have wondered why they all start with an
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* integer size, followed by the useful data. The answer is, when the
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* server doesn't recognize the type returned it treats it as opaque data.
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* And the definition for opaque data is {int size; char *data;}. In this
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* way, servers and utility routines that do not understand a given type
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* may still pass it around. One has to be careful in setting
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* this variable accurately, it must take into account such things as
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* XDR padding of structures etc. The best way to set it is to note one's
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* position in the XDR encoding stream, encode the structure, look at the
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* new position and calculate the size.
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*/
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struct nis_oid {
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u_long ctime; /* Time of objects creation */
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u_long mtime; /* Time of objects modification */
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};
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struct nis_object {
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nis_oid zo_oid; /* object identity verifier. */
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nis_name zo_name; /* The NIS name for this object */
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nis_name zo_owner; /* NIS name of object owner. */
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nis_name zo_group; /* NIS name of access group. */
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nis_name zo_domain; /* The administrator for the object */
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u_long zo_access; /* Access rights (owner, group, world) */
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u_long zo_ttl; /* Object's time to live in seconds. */
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objdata zo_data; /* Data structure for this type */
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};
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#if RPC_HDR
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%
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%#endif /* if __nis_object_h */
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%
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#endif
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