path: root/nis/rpcsvc/yp_prot.h

/*
 * This file contains symbols and structures defining the rpc protocol
 * between the NIS clients and the NIS servers.  The servers
 * are the NIS database servers, and the NIS binders.
 */

#ifndef _RPCSVC_YP_PROT_H
#define _RPCSVC_YP_PROT_H

#include <features.h>

#include <rpc/rpc.h>
#include <rpcsvc/ypclnt.h>

/*
 * The following procedures are supported by the protocol:
 *
 * YPPROC_NULL() returns () takes nothing, returns nothing.  This indicates
 * that the NIS server is alive.
 *
 * YPPROC_DOMAIN (char *) returns (bool_t) TRUE.  Indicates that the
 * responding NIS server does serve the named domain; FALSE indicates no
 * support.
 *
 * YPPROC_DOMAIN_NONACK (char *) returns (TRUE) if the NIS server does serve
 * the named domain, otherwise does not return.  Used in the broadcast case.
 *
 * YPPROC_MATCH (struct ypreq_key) returns (struct ypresp_val).  Returns the
 * right-hand value for a passed left-hand key, within a named map and
 * domain.
 *
 * YPPROC_FIRST (struct ypreq_nokey) returns (struct ypresp_key_val).
 * Returns the first key-value pair from a named domain and map.
 *
 * YPPROC_NEXT (struct ypreq_key) returns (struct ypresp_key_val).  Returns
 * the key-value pair following a passed key-value pair within a named
 * domain and map.
 *
 * YPPROC_XFR (struct ypreq_xfr) returns nothing.  Indicates to a server that
 * a map should be updated.
 *
 * YPPROC_CLEAR	takes nothing, returns nothing.  Instructs a NIS server to
 * close the current map, so that old versions of the disk file don't get
 * held open.
 *
 * YPPROC_ALL (struct ypreq_nokey), returns
 * 	union switch (bool_t more) {
 *		TRUE:	(struct ypresp_key_val);
 *		FALSE:	(struct) {};
 *	}
 *
 * YPPROC_MASTER (struct ypreq_nokey), returns (ypresp_master)
 *
 * YPPROC_ORDER (struct ypreq_nokey), returns (ypresp_order)
 *
 * YPPROC_MAPLIST (char *), returns (struct ypmaplist *)
 */

/* Program and version symbols, magic numbers */

#define YPPROG		((u_long)100004)
#define YPVERS		((u_long)2)
#define YPVERS_ORIG	((u_long)1)
#define YPMAXRECORD	1024
#define YPMAXDOMAIN	64 /* XXX orig. yp_prot.h defines ((u_long)256) */
#define YPMAXMAP	64
#define YPMAXPEER	64 /* XXX orig. yp_prot.h defines ((u_long)256) */

/* byte size of a large NIS packet */
#define YPMSGSZ		1600

typedef struct {
  u_int keydat_len;
  char *keydat_val;
} keydat;

typedef struct {
  u_int valdat_len;
  char *valdat_val;
} valdat;

struct ypmap_parms {
  char *domain;			/* Null string means not available */
  char *map;			/* Null string means not available */
  unsigned int ordernum;	/* 0 means not available */
  char *owner;			/* Null string means not available */
};

/*
 * Request parameter structures
 */

struct ypreq_key {
  const char *domain;
  const char *map;
  keydat keydat;
};

struct ypreq_nokey {
  char *domain;
  char *map;
};

struct ypreq_xfr {
  struct ypmap_parms map_parms;
  u_int transid;
  u_int proto;
  u_int port;
};

#define ypxfr_domain map_parms.domain
#define ypxfr_map map_parms.map
#define ypxfr_ordernum map_parms.ordernum
#define ypxfr_owner map_parms.owner

/* Return status values */

enum ypstat {
  YP_TRUE = 1,		/* General purpose success code */
#define YP_TRUE YP_TRUE
  YP_NOMORE = 2,	/* No more entries in map */
#define YP_NOMORE YP_NOMORE
  YP_FALSE = 0,		/* General purpose failure code */
#define YP_FALSE YP_FALSE
  YP_NOMAP = -1,	/* No such map in domain */
#define YP_NOMAP YP_NOMAP
  YP_NODOM = -2,	/* Domain not supported */
#define YP_NODOM YP_NODOM
  YP_NOKEY = -3,	/* No such key in map */
#define YP_NOKEY YP_NOKEY
  YP_BADOP = -4,	/* Invalid operation */
#define YP_BADOP YP_BADOP
  YP_BADDB = -5,	/* Server data base is bad */
#define YP_BADDB YP_BADDB
  YP_YPERR = -6,	/* NIS server error */
#define YP_YPERR YP_YPERR
  YP_BADARGS = -7,	/* Request arguments bad */
#define YP_BADARGS YP_BADARGS
  YP_VERS = -8,		/* NIS server version mismatch - server can't supply
			   requested service. */
#define YP_VERS YP_VERS
};

/*
 * Response parameter structures
 */

typedef enum ypstat ypstat;

struct ypresp_val {
  ypstat status;
  valdat valdat;
};

struct ypresp_key_val {
  ypstat status;
  keydat keydat;
  valdat valdat;
};

struct ypresp_master {
  ypstat status;
  char *master;
};

struct ypresp_order {
  ypstat status;
  u_int ordernum;
};

struct ypmaplist {
  char *map;
#define ypml_name map
  struct ypmaplist *next;
#define ypml_next next
};

struct ypresp_maplist {
  ypstat status;
  struct ypmaplist *list;
};

/*
 * Procedure symbols.  YPPROC_NULL, YPPROC_DOMAIN, and YPPROC_DOMAIN_NONACK
 * must keep the same values (0, 1, and 2) that they had in the first version
 * of the protocol.
 */

#define YPPROC_NULL	((u_long)0)
#define YPPROC_DOMAIN	((u_long)1)
#define YPPROC_DOMAIN_NONACK ((u_long)2)
#define YPPROC_MATCH	((u_long)3)
#define YPPROC_FIRST	((u_long)4)
#define YPPROC_NEXT	((u_long)5)
#define YPPROC_XFR	((u_long)6)
#define YPPROC_CLEAR	((u_long)7)
#define YPPROC_ALL	((u_long)8)
#define YPPROC_MASTER	((u_long)9)
#define YPPROC_ORDER	((u_long)10)
#define YPPROC_MAPLIST	((u_long)11)
#define	YPPROC_NEWXFR	((u_long)12)

/*
 *		Protocol between clients and NIS binder servers
 */

/*
 * The following procedures are supported by the protocol:
 *
 * YPBINDPROC_NULL() returns ()
 * 	takes nothing, returns nothing
 *
 * YPBINDPROC_DOMAIN takes (char *) returns (struct ypbind_resp)
 *
 * YPBINDPROC_SETDOM takes (struct ypbind_setdom) returns nothing
 */

/* Program and version symbols, magic numbers */

#define YPBINDPROG		((u_long)100007)
#define YPBINDVERS		((u_long)2)
#define YPBINDVERS_ORIG		((u_long)1)

/* Procedure symbols */

#define YPBINDPROC_NULL		((u_long)0)
#define YPBINDPROC_DOMAIN	((u_long)1)
#define YPBINDPROC_SETDOM	((u_long)2)
/*
 * Response structure and overall result status codes.  Success and failure
 * represent two separate response message types.
 */

enum ypbind_resptype {YPBIND_SUCC_VAL = 1, YPBIND_FAIL_VAL = 2};

struct ypbind_binding {
  struct in_addr ypbind_binding_addr;	        /* In network order */
  unsigned short int ypbind_binding_port;	/* In network order */
};

struct ypbind_resp {
  enum ypbind_resptype ypbind_status;
  union {
    u_int ypbind_error;
    struct ypbind_binding ypbind_bindinfo;
  } ypbind_respbody;
};


/* Detailed failure reason codes for response field ypbind_error*/

#define YPBIND_ERR_ERR 1		/* Internal error */
#define YPBIND_ERR_NOSERV 2		/* No bound server for passed domain */
#define YPBIND_ERR_RESC 3		/* System resource allocation failure */

/*
 * Request data structure for ypbind "Set domain" procedure.
 */
struct ypbind_setdom {
  char *ypsetdom_domain;
  struct ypbind_binding ypsetdom_binding;
  u_int ypsetdom_vers;
};
#define ypsetdom_addr ypsetdom_binding.ypbind_binding_addr
#define ypsetdom_port ypsetdom_binding.ypbind_binding_port

/*
 *		Protocol between clients (ypxfr, only) and yppush
 *		yppush speaks a protocol in the transient range, which
 *		is supplied to ypxfr as a command-line parameter when it
 *		is activated by ypserv.
 */
#define YPPUSHVERS		((u_long)1)
#define YPPUSHVERS_ORIG		((u_long)1)

/* Procedure symbols */

#define YPPUSHPROC_NULL		((u_long)0)
#define YPPUSHPROC_XFRRESP	((u_long)1)

struct yppushresp_xfr {
  u_int transid;
  yppush_status status;
};

/* Status values for yppushresp_xfr.status */

enum yppush_status {
  YPPUSH_SUCC = 1,		/* Success */
#define YPPUSH_SUCC	YPPUSH_SUCC
  YPPUSH_AGE = 2,		/* Master's version not newer */
#define YPPUSH_AGE	YPPUSH_AGE
  YPPUSH_NOMAP = -1,		/* Can't find server for map */
#define YPPUSH_NOMAP 	YPPUSH_NOMAP
  YPPUSH_NODOM = -2,		/* Domain not supported */
#define YPPUSH_NODOM 	YPPUSH_NODOM
  YPPUSH_RSRC = -3,		/* Local resouce alloc failure */
#define YPPUSH_RSRC 	YPPUSH_RSRC
  YPPUSH_RPC = -4,		/* RPC failure talking to server */
#define YPPUSH_RPC 	YPPUSH_RPC
  YPPUSH_MADDR = -5,		/* Can't get master address */
#define YPPUSH_MADDR	YPPUSH_MADDR
  YPPUSH_YPERR = -6,		/* NIS server/map db error */
#define YPPUSH_YPERR 	YPPUSH_YPERR
  YPPUSH_BADARGS = -7,		/* Request arguments bad */
#define YPPUSH_BADARGS 	YPPUSH_BADARGS
  YPPUSH_DBM = -8,		/* Local dbm operation failed */
#define YPPUSH_DBM	YPPUSH_DBM
  YPPUSH_FILE = -9,		/* Local file I/O operation failed */
#define YPPUSH_FILE	YPPUSH_FILE
  YPPUSH_SKEW = -10,		/* Map version skew during transfer */
#define YPPUSH_SKEW	YPPUSH_SKEW
  YPPUSH_CLEAR = -11,		/* Can't send "Clear" req to local ypserv */
#define YPPUSH_CLEAR	YPPUSH_CLEAR
  YPPUSH_FORCE = -12,		/* No local order number in map - use -f flag*/
#define YPPUSH_FORCE	YPPUSH_FORCE
  YPPUSH_XFRERR = -13,		/* ypxfr error */
#define YPPUSH_XFRERR	YPPUSH_XFRERR
  YPPUSH_REFUSED = -14,		/* Transfer request refused by ypserv */
#define YPPUSH_REFUSED	YPPUSH_REFUSED
  YPPUSH_NOALIAS = -15		/* Alias not found for map or domain */
#define	YPPUSH_NOALIAS	YPPUSH_NOALIAS
};
typedef enum yppush_status yppush_status;

struct ypresp_all {
  bool_t more;
  union {
    struct ypresp_key_val val;
  } ypresp_all_u;
};

__BEGIN_DECLS

extern bool_t xdr_ypreq_key __P ((XDR *__xdrs, struct ypreq_key * __objp));
extern bool_t xdr_ypreq_nokey __P ((XDR *__xdrs, struct ypreq_nokey * __objp));
extern bool_t xdr_ypreq_xfr __P ((XDR *__xdrs, struct ypreq_xfr * __objp));
extern bool_t xdr_ypresp_val __P ((XDR *__xdrs, struct ypresp_val * __objp));
extern bool_t xdr_ypresp_key_val __P ((XDR *__xdrs, struct ypresp_key_val * __objp));
extern bool_t xdr_ypbind_resp __P ((XDR *__xdrs, struct ypbind_resp * __objp));
extern bool_t xdr_ypbind_setdom __P ((XDR *__xdrs, struct ypbind_setdom * __objp));
extern bool_t xdr_ypmap_parms __P ((XDR *__xdrs, struct ypmap_parms * __objp));
extern bool_t xdr_yppushresp_xfr __P ((XDR *__xdrs, struct yppushresp_xfr * __objp));
extern bool_t xdr_ypresp_order __P ((XDR *__xdrs, struct ypresp_order  * __objp));
extern bool_t xdr_ypresp_master __P ((XDR *__xdrs, struct ypresp_master * __objp));
extern bool_t xdr_ypall __P ((XDR *__xdrs, struct ypall_callback * __objp));
extern bool_t xdr_ypresp_maplist __P ((XDR *__xdrs, struct ypresp_maplist * __objp));
extern bool_t xdr_ypbind_binding __P ((XDR *__xdrs, struct ypbind_binding * __objp));
extern bool_t xdr_ypbind_resptype __P ((XDR *__xdrs, enum ypbind_resptype * __objp));
extern bool_t xdr_ypstat __P ((XDR *__xdrs, enum ypbind_resptype * __objp));
extern bool_t xdr_ypresp_all __P ((XDR *__xdrs, struct ypresp_all  * __objp));
extern bool_t xdr_domainname __P ((XDR *__xdrs, char ** __objp));

__END_DECLS

#endif	/* _RPCSVC_YP_PROT_H */