/* $OpenBSD: bufaux.h,v 1.18 2002/04/20 09:14:58 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * All rights reserved * * As far as I am concerned, the code I have written for this software * can be used freely for any purpose. Any derived versions of this * software must be clearly marked as such, and if the derived work is * incompatible with the protocol description in the RFC file, it must be * called by a name other than "ssh" or "Secure Shell". */ /* * Portions Copyright (c) 2002 Apple Computer, Inc. */ #ifndef BUFAUX_H #define BUFAUX_H #include <openssl/bn.h> #include "buffer.h" /* * Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed * by (bits+7)/8 bytes of binary data, msb first. */ void buffer_put_bignum(Buffer * buffer, BIGNUM * value); void buffer_put_bignum2(Buffer * buffer, BIGNUM * value); /* Retrieves an BIGNUM from the buffer. */ int buffer_get_bignum(Buffer * buffer, BIGNUM * value); int buffer_get_bignum2(Buffer *buffer, BIGNUM * value); /* Returns an integer from the buffer (4 bytes, msb first). */ unsigned int buffer_get_int(Buffer * buffer); /* Stores an integer in the buffer in 4 bytes, msb first. */ void buffer_put_int(Buffer * buffer, unsigned int value); /* Returns a character from the buffer (0 - 255). */ int buffer_get_char(Buffer * buffer); /* Stores a character in the buffer. */ void buffer_put_char(Buffer * buffer, int value); /* * Returns an arbitrary binary string from the buffer. The string cannot be * longer than 256k. The returned value points to memory allocated with * xmalloc; it is the responsibility of the calling function to free the * data. If length_ptr is non-NULL, the length of the returned data will be * stored there. A null character will be automatically appended to the * returned string, and is not counted in length. */ char *buffer_get_string(Buffer * buffer, unsigned int *length_ptr); /* Stores and arbitrary binary string in the buffer. */ void buffer_put_string(Buffer * buffer, const void *buf, unsigned int len); void buffer_put_cstring(Buffer *buffer, const char *s); #endif /* BUFAUX_H */