/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* bos72Q src/bos/usr/include/rpc/xdr.h 1.20.1.1 */ /* */ /* Licensed Materials - Property of IBM */ /* */ /* COPYRIGHT International Business Machines Corp. 1989,2019 */ /* All Rights Reserved */ /* */ /* US Government Users Restricted Rights - Use, duplication or */ /* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */ /* */ /* IBM_PROLOG_END_TAG */ /* static char sccsid[] = "@(#)43 1.20.1.1 src/bos/usr/include/rpc/xdr.h, libcrpc, bos72Q, q2019_13A4 2/6/19 23:06:45"; */ /* * COMPONENT_NAME: libcrpc * * FUNCTIONS: IXDR_GET_BOOL * IXDR_GET_ENUM * IXDR_GET_LONG * IXDR_GET_SHORT * IXDR_GET_U_LONG * IXDR_GET_U_SHORT * IXDR_PUT_BOOL * IXDR_PUT_ENUM * IXDR_PUT_LONG * IXDR_PUT_SHORT * IXDR_PUT_U_LONG * IXDR_PUT_U_SHORT * RNDUP * XDR_DESTROY * XDR_GETBYTES * XDR_GETLONG * XDR_GETPOS * XDR_INLINE * XDR_PUTBYTES * XDR_PUTLONG * XDR_SETPOS * xdr_destroy * xdr_getbytes * xdr_getlong * xdr_getpos * xdr_inline * xdr_putbytes * xdr_putlong * xdr_setpos * xdrrec_create * * ORIGINS: 24,27 * * * (C) COPYRIGHT International Business Machines Corp. 1989,1994 * All Rights Reserved * Licensed Materials - Property of IBM * US Government Users Restricted Rights - Use, duplication or * disclosure restricted by GSA ADP Schedule Contract with IBM Corp. * * Copyright (c) 1990 by Sun Microsystems, Inc. * @(#)xdr.h 1.22 88/02/08 SMI */ /* @(#)xdr.h 1.2 90/07/19 4.1NFSSRC SMI */ /* * xdr.h, External Data Representation Serialization Routines. */ #ifdef _AIX_TIRPC #include #else #ifndef _RPC_XDR_H #define _RPC_XDR_H #include #ifndef _KERNEL #include #endif /* * XDR provides a conventional way for converting between C data * types and an external bit-string representation. Library supplied * routines provide for the conversion on built-in C data types. These * routines and utility routines defined here are used to help implement * a type encode/decode routine for each user-defined type. * * Each data type provides a single procedure which takes two arguments: * * bool_t * xdrproc(xdrs, argresp) * XDR *xdrs; * *argresp; * * xdrs is an instance of a XDR handle, to which or from which the data * type is to be converted. argresp is a pointer to the structure to be * converted. The XDR handle contains an operation field which indicates * which of the operations (ENCODE, DECODE * or FREE) is to be performed. * * XDR_DECODE may allocate space if the pointer argresp is null. This * data can be freed with the XDR_FREE operation. * * We write only one procedure per data type to make it easy * to keep the encode and decode procedures for a data type consistent. * In many cases the same code performs all operations on a user defined type, * because all the hard work is done in the component type routines. * decode as a series of calls on the nested data types. */ /* * Xdr operations. XDR_ENCODE causes the type to be encoded into the * stream. XDR_DECODE causes the type to be extracted from the stream. * XDR_FREE can be used to release the space allocated by an XDR_DECODE * request. */ #ifdef __cplusplus extern "C" { #endif enum xdr_op { XDR_ENCODE=0, XDR_DECODE=1, XDR_FREE=2 }; /* * This is the number of bytes per unit of external data. */ #define BYTES_PER_XDR_UNIT (4) #define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \ * BYTES_PER_XDR_UNIT) /* * The XDR handle. * Contains operation which is being applied to the stream, * an operations vector for the paticular implementation (e.g. see xdr_mem.c), * and two private fields for the use of the particular impelementation. */ #if defined(_KERNEL) || !defined(__64BIT__) #define XDR_GET_RPCBOOL XDR_GETLONG #define XDR_PUT_RPCBOOL XDR_PUTLONG #define XDR_GET_RPCENUM XDR_GETLONG #define XDR_PUT_RPCENUM XDR_PUTLONG #define XDR_GET_RPCLEN XDR_GETLONG #define XDR_PUT_RPCLEN XDR_PUTLONG #define XDR_GET_RPCPROG XDR_GETLONG #define XDR_PUT_RPCPROG XDR_PUTLONG #define XDR_GET_RPCVERS XDR_GETLONG #define XDR_PUT_RPCVERS XDR_PUTLONG #define XDR_GET_RPCPROC XDR_GETLONG #define XDR_PUT_RPCPROC XDR_PUTLONG #define XDR_GET_RPCXID XDR_GETLONG #define XDR_PUT_RPCXID XDR_PUTLONG #define IXDR_GET_RPCBOOL IXDR_GET_LONG #define IXDR_PUT_RPCBOOL IXDR_PUT_LONG #define IXDR_GET_RPCENUM IXDR_GET_LONG #define IXDR_PUT_RPCENUM IXDR_PUT_LONG #define IXDR_GET_RPCLEN IXDR_GET_LONG #define IXDR_PUT_RPCLEN IXDR_PUT_LONG #define IXDR_GET_RPCPROG IXDR_GET_LONG #define IXDR_PUT_RPCPROG IXDR_PUT_LONG #define IXDR_GET_RPCVERS IXDR_GET_LONG #define IXDR_PUT_RPCVERS IXDR_PUT_LONG #define IXDR_GET_RPCPROC IXDR_GET_LONG #define IXDR_PUT_RPCPROC IXDR_PUT_LONG #define IXDR_GET_RPCXID IXDR_GET_LONG #define IXDR_PUT_RPCXID IXDR_PUT_LONG #define IXDR_GET_RPCINLINE IXDR_GET_LONG #define IXDR_PUT_RPCINLINE IXDR_PUT_LONG #define IXDR_GET_RPCUID IXDR_GET_LONG #define IXDR_PUT_RPCUID IXDR_PUT_LONG #define IXDR_GET_RPCGID IXDR_GET_LONG #define IXDR_PUT_RPCGID IXDR_PUT_LONG #else #define XDR_GET_RPCBOOL XDR_GET_INT32 #define XDR_PUT_RPCBOOL XDR_PUT_INT32 #define XDR_GET_RPCENUM XDR_GET_INT32 #define XDR_PUT_RPCENUM XDR_PUT_INT32 #define XDR_GET_RPCLEN XDR_GET_INT32 #define XDR_PUT_RPCLEN XDR_PUT_INT32 #define XDR_GET_RPCPROG XDR_GET_INT32 #define XDR_PUT_RPCPROG XDR_PUT_INT32 #define XDR_GET_RPCVERS XDR_GET_INT32 #define XDR_PUT_RPCVERS XDR_PUT_INT32 #define XDR_GET_RPCPROC XDR_GET_INT32 #define XDR_PUT_RPCPROC XDR_PUT_INT32 #define XDR_GET_RPCXID XDR_GET_INT32 #define XDR_PUT_RPCXID XDR_PUT_INT32 #define IXDR_GET_RPCBOOL IXDR_GET_INT32 #define IXDR_PUT_RPCBOOL IXDR_PUT_INT32 #define IXDR_GET_RPCENUM IXDR_GET_INT32 #define IXDR_PUT_RPCENUM IXDR_PUT_INT32 #define IXDR_GET_RPCLEN IXDR_GET_INT32 #define IXDR_PUT_RPCLEN IXDR_PUT_INT32 #define IXDR_GET_RPCPROG IXDR_GET_INT32 #define IXDR_PUT_RPCPROG IXDR_PUT_INT32 #define IXDR_GET_RPCVERS IXDR_GET_INT32 #define IXDR_PUT_RPCVERS IXDR_PUT_INT32 #define IXDR_GET_RPCPROC IXDR_GET_INT32 #define IXDR_PUT_RPCPROC IXDR_PUT_INT32 #define IXDR_GET_RPCXID IXDR_GET_INT32 #define IXDR_PUT_RPCXID IXDR_PUT_INT32 #define IXDR_GET_RPCINLINE IXDR_GET_INT32 #define IXDR_PUT_RPCINLINE IXDR_PUT_INT32 #define IXDR_GET_RPCUID IXDR_GET_INT32 #define IXDR_PUT_RPCUID IXDR_PUT_INT32 #define IXDR_GET_RPCGID IXDR_GET_INT32 #define IXDR_PUT_RPCGID IXDR_PUT_INT32 #endif typedef struct __xdr { enum xdr_op x_op; /* operation; fast additional param */ struct xdr_ops { #ifdef _NO_PROTO bool_t (*x_getlong)(); /* get a long from underlying stream */ bool_t (*x_putlong)(); /* put a long to " */ bool_t (*x_getbytes)();/* get some bytes from " */ bool_t (*x_putbytes)();/* put some bytes to " */ u_int (*x_getpostn)();/* returns bytes off from beginning */ bool_t (*x_setpostn)();/* lets you reposition the stream */ long * (*x_inline)(); /* buf quick ptr to buffered data */ void (*x_destroy)(); /* free privates of this xdr_stream */ bool_t (*x_gethyper)();/* get a hyper from underlying stream */ bool_t (*x_puthyper)();/* put a hyper to " */ /* this is added new if LDT defined */ bool_t (*x_getint32)(); bool_t (*x_putint32)(); #else /* _NO_PROTO */ bool_t (*x_getlong)(struct __xdr *, long *); bool_t (*x_putlong)(struct __xdr *, long *); bool_t (*x_getbytes)(struct __xdr *, caddr_t, u_int); bool_t (*x_putbytes)(struct __xdr *, caddr_t, u_int); u_int (*x_getpostn)(struct __xdr *); bool_t (*x_setpostn)(struct __xdr *, u_int); long * (*x_inline)(struct __xdr *, u_int); void (*x_destroy)(struct __xdr *); #ifdef _LONG_LONG bool_t (*x_gethyper)(struct __xdr *, long long *); bool_t (*x_puthyper)(struct __xdr *, long long *); #else bool_t (*x_gethyper)(struct __xdr *, quad *); bool_t (*x_puthyper)(struct __xdr *, quad *); #endif /* _LONG_LONG */ /* this is added new if LDT defined */ bool_t (*x_getint32)(struct __xdr *, int32_t *); bool_t (*x_putint32)(struct __xdr *, int32_t *); #endif /* _NO_PROTO */ } *x_ops; caddr_t x_public; /* users' data */ caddr_t x_private; /* pointer to private data */ caddr_t x_base; /* private used for position info */ int x_handy; /* extra private word */ } XDR; /* * A xdrproc_t exists for each data type which is to be encoded or decoded. * * The second argument to the xdrproc_t is a pointer to an opaque pointer. * The opaque pointer generally points to a structure of the data type * to be decoded. If this pointer is 0, then the type routines should * allocate dynamic storage of the appropriate size and return it. * bool_t (*xdrproc_t)(XDR *, caddr_t *); */ #ifdef _NO_PROTO typedef bool_t (*xdrproc_t)(); #else #ifdef __cplusplus #ifdef _XDRPROC_T_FULLPROTO typedef bool_t (*xdrproc_t)(XDR *, caddr_t *, ...); #else typedef bool_t (*xdrproc_t)(); #endif #else typedef bool_t (*xdrproc_t)(); #endif #endif #if defined(_KERNEL) || !defined(__64BIT__) #define xdr_rpcvers xdr_u_long #define xdr_rpcprog xdr_u_long #define xdr_rpcproc xdr_u_long #define xdr_rpcprot xdr_u_long #define xdr_rpcport xdr_u_long #define xdr_rpcxid xdr_u_long #define xdr_rmtcall_arglen xdr_u_long #define xdr_rmtcall_resultlen xdr_u_long #else #define xdr_rpcvers xdr_u_int #define xdr_rpcprog xdr_u_int #define xdr_rpcproc xdr_u_int #define xdr_rpcprot xdr_u_int #define xdr_rpcport xdr_u_int #define xdr_rpcxid xdr_u_int #define xdr_rmtcall_arglen xdr_u_int #define xdr_rmtcall_resultlen xdr_u_int #endif /* * Operations defined on a XDR handle * * XDR *xdrs; * long *longp; * long long *hyper * caddr_t addr; * u_int len; * u_int pos; */ #define XDR_GET_INT32(xdrs, int32p) \ (*(xdrs)->x_ops->x_getint32)(xdrs, int32p) #define xdr_getint32(xdrs, int32p) \ (*(xdrs)->x_ops->x_getint32)(xdrs, int32p) #define XDR_PUT_INT32(xdrs, int32p) \ (*(xdrs)->x_ops->x_putint32)(xdrs, int32p) #define xdr_putint32(xdrs, int32p) \ (*(xdrs)->x_ops->x_putint32)(xdrs, int32p) #define XDR_GETHYPER(xdrs, hyperp) \ (*(xdrs)->x_ops->x_gethyper)(xdrs, hyperp) #define xdr_gethyper(xdrs, hyperp) \ (*(xdrs)->x_ops->x_gethyper)(xdrs, hyperp) #define XDR_PUTHYPER(xdrs, hyperp) \ (*(xdrs)->x_ops->x_puthyper)(xdrs, hyperp) #define xdr_puthyper(xdrs, hyperp) \ (*(xdrs)->x_ops->x_puthyper)(xdrs, hyperp) #define XDR_GETLONG(xdrs, longp) \ (*(xdrs)->x_ops->x_getlong)(xdrs, longp) #define xdr_getlong(xdrs, longp) \ (*(xdrs)->x_ops->x_getlong)(xdrs, longp) #define XDR_PUTLONG(xdrs, longp) \ (*(xdrs)->x_ops->x_putlong)(xdrs, longp) #define xdr_putlong(xdrs, longp) \ (*(xdrs)->x_ops->x_putlong)(xdrs, longp) #define XDR_GETBYTES(xdrs, addr, len) \ (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) #define xdr_getbytes(xdrs, addr, len) \ (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) #define XDR_PUTBYTES(xdrs, addr, len) \ (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) #define xdr_putbytes(xdrs, addr, len) \ (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) #define XDR_GETPOS(xdrs) \ (*(xdrs)->x_ops->x_getpostn)(xdrs) #define xdr_getpos(xdrs) \ (*(xdrs)->x_ops->x_getpostn)(xdrs) #define XDR_SETPOS(xdrs, pos) \ (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) #define xdr_setpos(xdrs, pos) \ (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) #define XDR_INLINE(xdrs, len) \ (*(xdrs)->x_ops->x_inline)(xdrs, len) #define xdr_inline(xdrs, len) \ (*(xdrs)->x_ops->x_inline)(xdrs, len) #if __cplusplus #define XDR_DESTROY(xdrs) \ (*(void (*)(XDR *))((xdrs)->x_ops->x_destroy))(xdrs) #else #define XDR_DESTROY(xdrs) \ (*(xdrs)->x_ops->x_destroy)(xdrs) #endif /* __cplusplus */ #define xdr_destroy(xdrs) XDR_DESTROY(xdrs) /* * Support struct for discriminated unions. * You create an array of xdrdiscrim structures, terminated with * a entry with a null procedure pointer. The xdr_union routine gets * the discriminant value and then searches the array of structures * for a matching value. If a match is found the associated xdr routine * is called to handle that part of the union. If there is * no match, then a default routine may be called. * If there is no match and no default routine it is an error. */ #define NULL_xdrproc_t ((xdrproc_t)0) struct xdr_discrim { int value; xdrproc_t proc; }; /* * In-line routines for fast encode/decode of primitve data types. * Caveat emptor: these use single memory cycles to get the * data from the underlying buffer, and will fail to operate * properly if the data is not aligned. The standard way to use these * is to say: * if ((buf = XDR_INLINE(xdrs, count)) == NULL) * return (FALSE); * <<< macro calls >>> * where ``count'' is the number of bytes of data occupied * by the primitive data types. * * N.B. and frozen for all time: each data type here uses 4 bytes * of external representation. */ #define IXDR_GET_INT32(buf) ((int)ntohl((u_int)*(buf)++)) #define IXDR_PUT_INT32(buf, v) (*(buf)++ = (int)htonl((u_int)v)) #define IXDR_GET_U_INT32(buf) ((u_int)ntohl((u_int)*(buf)++)) #define IXDR_PUT_U_INT32(buf, v) (*(buf)++ = (u_int)htonl((u_int)v)) #ifndef __64BIT__ #define IXDR_GET_LONG(buf) ((long)ntohl((u_long)*(buf)++)) #define IXDR_PUT_LONG(buf, v) (*(buf)++ = (long)htonl((u_long)v)) #else long ixdr_get_long64(long **); long ixdr_put_long64(long **, long); #define IXDR_GET_LONG(buf) ixdr_get_long64(&(buf)) #define IXDR_PUT_LONG(buf, v) ixdr_put_long64(&(buf), v) #endif #define IXDR_GET_BOOL(buf) ((bool_t)IXDR_GET_LONG(buf)) #define IXDR_GET_ENUM(buf, t) ((t)IXDR_GET_LONG(buf)) #define IXDR_GET_U_LONG(buf) ((u_long)IXDR_GET_LONG(buf)) #define IXDR_GET_SHORT(buf) ((short)IXDR_GET_LONG(buf)) #define IXDR_GET_U_SHORT(buf) ((u_short)IXDR_GET_LONG(buf)) #define IXDR_PUT_BOOL(buf, v) IXDR_PUT_LONG((buf), ((long)(v))) #define IXDR_PUT_ENUM(buf, v) IXDR_PUT_LONG((buf), ((long)(v))) #define IXDR_PUT_U_LONG(buf, v) IXDR_PUT_LONG((buf), ((long)(v))) #define IXDR_PUT_SHORT(buf, v) IXDR_PUT_LONG((buf), ((long)(v))) #define IXDR_PUT_U_SHORT(buf, v) IXDR_PUT_LONG((buf), ((long)(v))) /* * These are the "generic" xdr routines. */ #ifdef _NO_PROTO extern bool_t xdr_void(); extern bool_t xdr_int(); extern bool_t xdr_u_int(); extern bool_t xdr_long(); extern bool_t xdr_u_long(); extern bool_t xdr_hyper(); extern bool_t xdr_u_hyper(); extern bool_t xdr_short(); extern bool_t xdr_u_short(); extern bool_t xdr_bool(); extern bool_t xdr_enum(); extern bool_t xdr_array(); extern bool_t xdr_bytes(); extern bool_t xdr_opaque(); extern bool_t xdr_string(); extern bool_t xdr_union(); #ifndef _KERNEL extern bool_t xdr_opaque_auth(); extern bool_t xdr_des_block(); extern bool_t xdr_accepted_reply(); extern bool_t xdr_rejected_reply(); extern bool_t xdr_replymsg(); extern bool_t xdr_callhdr(); extern void _seterr_reply(); extern void xdr_free(); extern bool_t xdr_char(); extern bool_t xdr_u_char(); extern bool_t xdr_vector(); extern bool_t xdr_float(); extern bool_t xdr_double(); extern bool_t xdr_reference(); extern bool_t xdr_pointer(); extern bool_t xdr_wrapstring(); #endif /* !_KERNEL*/ #else /* _NO_PROTO */ extern bool_t xdr_void(void); extern bool_t xdr_int(XDR *, int *); extern bool_t xdr_u_int(XDR *, u_int *); #ifdef _LONG_LONG extern bool_t xdr_hyper(XDR *, long long *); extern bool_t xdr_u_hyper(XDR *, unsigned long long *); #else extern bool_t xdr_hyper(XDR *, quad *); extern bool_t xdr_u_hyper(XDR *, quad *); #endif /* _LONG_LONG */ extern bool_t xdr_long(XDR *, long *); extern bool_t xdr_u_long(XDR *, u_long *); extern bool_t xdr_short(XDR *, short *); extern bool_t xdr_u_short(XDR *, u_short *); extern bool_t xdr_bool(XDR *, bool_t *); extern bool_t xdr_enum(XDR *, enum_t *); extern bool_t xdr_array(XDR *, caddr_t *, u_int *, u_int, u_int, xdrproc_t); extern bool_t xdr_bytes(XDR *, char **, u_int *, u_int); extern bool_t xdr_opaque(XDR *, caddr_t, u_int); extern bool_t xdr_string(XDR *, char **, u_int); extern bool_t xdr_union(XDR *, enum_t *, char *, struct xdr_discrim *, xdrproc_t); #ifndef _KERNEL extern void xdr_free(xdrproc_t, char *); extern bool_t xdr_char(XDR *, char *); extern bool_t xdr_u_char(XDR *, u_char *); extern bool_t xdr_vector(XDR *, char *, u_int, u_int, xdrproc_t); extern bool_t xdr_float(XDR *, float *); extern bool_t xdr_double(XDR *, double *); extern bool_t xdr_reference(XDR *, caddr_t *, u_int, xdrproc_t); extern bool_t xdr_pointer(XDR *, char **, u_int, xdrproc_t); extern bool_t xdr_wrapstring(XDR *, char **); #endif /* !_KERNEL*/ #endif /* _NO_PROTO */ /* * Common opaque bytes objects used by many rpc protocols; * declared here due to commonality. */ #define MAX_NETOBJ_SZ 1024 struct netobj { u_int n_len; char *n_bytes; }; typedef struct netobj netobj; #ifdef _NO_PROTO extern bool_t xdr_netobj(); #else extern bool_t xdr_netobj(XDR *, netobj *); #endif /* * These are the public routines for the various implementations of * xdr streams. */ #ifdef _NO_PROTO extern void xdrmem_create(); /* XDR using memory buffers */ #ifndef _KERNEL extern void xdrstdio_create(); /* XDR using stdio library */ extern void xdrrec_create(); /* XDR pseudo records for tcp */ extern bool_t xdrrec_endofrecord(); /* make end of xdr record */ extern bool_t xdrrec_skiprecord(); /* move to beginning of next record */ extern bool_t xdrrec_eof(); /* true if no more input */ #else extern void xdrmbuf_init(); /* XDR using kernel mbufs */ #endif /* !_KERNEL*/ #else /* _NO_PROTO */ extern void xdrmem_create(XDR *, caddr_t, u_int, enum xdr_op); #ifndef _KERNEL extern void xdrstdio_create(XDR *, FILE *, enum xdr_op); extern void xdrrec_create(XDR *, u_int, u_int, caddr_t, int (*)(void *, caddr_t, int), int (*)(void *, caddr_t, int)); extern bool_t xdrrec_endofrecord(XDR *, bool_t); extern bool_t xdrrec_skiprecord(XDR *); extern bool_t xdrrec_eof(XDR *); #else extern void xdrmbuf_init(XDR *, struct mbuf *, enum xdr_op); #endif /* !_KERNEL*/ #endif /* _NO_PROTO */ #ifdef __cplusplus } #endif /*__cplusplus*/ #endif /*!_RPC_XDR_H*/ #endif /*_AIX_TIRPC*/