OSX/libsecurityd/lib/sec_xdr.h

   1 /*
   2  * Copyright (c) 2006,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #ifndef _SEC_XDR_H
  24 #define _SEC_XDR_H
  25
  26 #include <rpc/types.h>
  27 #include <rpc/xdr.h>
  28 #include <stdint.h>
  29
  30 __BEGIN_DECLS
  31
  32 extern bool_t sec_xdr_bytes(XDR *, uint8_t **, unsigned int *, unsigned int);
  33 extern bool_t sec_xdr_array(XDR *, uint8_t **, unsigned int *, unsigned int, unsigned int, xdrproc_t);
  34 extern bool_t sec_xdr_charp(XDR *, char **, u_int);
  35 extern bool_t sec_xdr_reference(XDR *xdrs, uint8_t **pp, u_int size, xdrproc_t proc);
  36 extern bool_t sec_xdr_pointer(XDR *xdrs, uint8_t **objpp, u_int obj_size, xdrproc_t xdr_obj);
  37
  38 bool_t sec_mem_alloc(XDR *xdr, u_int bsize, uint8_t **data);
  39 void sec_mem_free(XDR *xdr, void *ptr, u_int bsize);
  40
  41 void sec_xdrmem_create(XDR *xdrs, char *addr, u_int size, enum xdr_op op);
  42
  43 typedef struct sec_xdr_arena_allocator {
  44     uint32_t magic;
  45     uint8_t *offset;
  46     uint8_t *data;
  47     uint8_t *end;
  48 } sec_xdr_arena_allocator_t;
  49
  50 #define xdr_arena_magic 0xAEA1
  51 #define xdr_size_magic 0xDEAD
  52
  53 void sec_xdr_arena_init_size_alloc(sec_xdr_arena_allocator_t *arena, XDR *xdr);
  54 bool_t sec_xdr_arena_init(sec_xdr_arena_allocator_t *arena, XDR *xdr,
  55                 size_t in_length, uint8_t *in_data);
  56 void sec_xdr_arena_free(sec_xdr_arena_allocator_t *alloc, void *ptr, size_t bsize);
  57 void *sec_xdr_arena_data(sec_xdr_arena_allocator_t *alloc);
  58 sec_xdr_arena_allocator_t *sec_xdr_arena_allocator(XDR *xdr);
  59 bool_t sec_xdr_arena_size_allocator(XDR *xdr);
  60
  61 bool_t copyin(void * data, xdrproc_t proc, void ** copy, u_int * size);
  62 bool_t copyout(const void * copy, u_int size, xdrproc_t proc, void ** data, u_int *length);
  63 bool_t copyout_chunked(const void * copy, u_int size, xdrproc_t proc, void ** data);
  64
  65 u_int sec_xdr_sizeof_in(xdrproc_t func, void * data);
  66 u_int sec_xdr_sizeof_out(const void * copy, u_int size, xdrproc_t func, void ** data);
  67
  68 __END_DECLS
  69
  70 #endif /* !_SEC_XDR_H */