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