61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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/* RCSID("$OpenBSD: bufaux.h,v 1.11 2001/01/21 19:05:45 markus Exp $"); */
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#ifndef BUFAUX_H
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#define BUFAUX_H
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#include "buffer.h"
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#include <openssl/bn.h>
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/*
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* Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed
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* by (bits+7)/8 bytes of binary data, msb first.
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*/
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void buffer_put_bignum(Buffer * buffer, BIGNUM * value);
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void buffer_put_bignum2(Buffer * buffer, BIGNUM * value);
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/* Retrieves an BIGNUM from the buffer. */
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int buffer_get_bignum(Buffer * buffer, BIGNUM * value);
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int buffer_get_bignum2(Buffer *buffer, BIGNUM * value);
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/* Returns an integer from the buffer (4 bytes, msb first). */
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u_int buffer_get_int(Buffer * buffer);
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u_int64_t buffer_get_int64(Buffer *buffer);
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/* Stores an integer in the buffer in 4 bytes, msb first. */
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void buffer_put_int(Buffer * buffer, u_int value);
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void buffer_put_int64(Buffer *buffer, u_int64_t value);
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/* Returns a character from the buffer (0 - 255). */
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int buffer_get_char(Buffer * buffer);
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/* Stores a character in the buffer. */
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void buffer_put_char(Buffer * buffer, int value);
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/*
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* Returns an arbitrary binary string from the buffer. The string cannot be
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* longer than 256k. The returned value points to memory allocated with
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* xmalloc; it is the responsibility of the calling function to free the
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* data. If length_ptr is non-NULL, the length of the returned data will be
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* stored there. A null character will be automatically appended to the
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* returned string, and is not counted in length.
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*/
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char *buffer_get_string(Buffer * buffer, u_int *length_ptr);
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/* Stores and arbitrary binary string in the buffer. */
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void buffer_put_string(Buffer * buffer, const void *buf, u_int len);
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void buffer_put_cstring(Buffer *buffer, const char *s);
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#endif /* BUFAUX_H */
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