1 /*
   2  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5 /*      $OpenBSD: bufaux.h,v 1.18 2002/04/20 09:14:58 markus Exp $      */
   6 
   7 #ifndef _BUFAUX_H
   8 #define _BUFAUX_H
   9 
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13 
  14 
  15 /*
  16  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  17  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
  18  *                    All rights reserved
  19  *
  20  * As far as I am concerned, the code I have written for this software
  21  * can be used freely for any purpose.  Any derived versions of this
  22  * software must be clearly marked as such, and if the derived work is
  23  * incompatible with the protocol description in the RFC file, it must be
  24  * called by a name other than "ssh" or "Secure Shell".
  25  */
  26 
  27 #include "buffer.h"
  28 #include <openssl/bn.h>
  29 
  30 void    buffer_put_bignum(Buffer *, const BIGNUM *);
  31 void    buffer_put_bignum2(Buffer *, const BIGNUM *);
  32 void    buffer_get_bignum(Buffer *, BIGNUM *);
  33 void    buffer_get_bignum2(Buffer *, BIGNUM *);
  34 
  35 u_short buffer_get_short(Buffer *);
  36 void    buffer_put_short(Buffer *, u_short);
  37 
  38 u_int   buffer_get_int(Buffer *);
  39 void    buffer_put_int(Buffer *, u_int);
  40 
  41 #ifdef HAVE_U_INT64_T
  42 u_int64_t buffer_get_int64(Buffer *);
  43 void    buffer_put_int64(Buffer *, u_int64_t);
  44 #endif
  45 
  46 int     buffer_get_char(Buffer *);
  47 void    buffer_put_char(Buffer *, int);
  48 
  49 void   *buffer_get_string(Buffer *, u_int *);
  50 char   *buffer_get_utf8_string(Buffer *, uint_t *);
  51 void    buffer_put_string(Buffer *, const void *, u_int);
  52 void    buffer_put_cstring(Buffer *, const char *);
  53 void    buffer_put_utf8_string(Buffer *, const char *, uint_t len);
  54 void    buffer_put_utf8_cstring(Buffer *, const char *);
  55 
  56 #define buffer_skip_string(b) \
  57     do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while(0)
  58 
  59 int     buffer_put_bignum_ret(Buffer *, const BIGNUM *);
  60 int     buffer_get_bignum_ret(Buffer *, BIGNUM *);
  61 int     buffer_put_bignum2_ret(Buffer *, const BIGNUM *);
  62 int     buffer_get_bignum2_ret(Buffer *, BIGNUM *);
  63 int     buffer_get_short_ret(u_short *, Buffer *);
  64 int     buffer_get_int_ret(u_int *, Buffer *);
  65 #ifdef HAVE_U_INT64_T
  66 int     buffer_get_int64_ret(u_int64_t *, Buffer *);
  67 #endif
  68 void    *buffer_get_string_ret(Buffer *, u_int *);
  69 int     buffer_get_char_ret(char *, Buffer *);
  70 
  71 #ifdef __cplusplus
  72 }
  73 #endif
  74 
  75 #endif /* _BUFAUX_H */