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