Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 2 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 3 | * bufaux.h |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 4 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 5 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 6 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 8 | * All rights reserved |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 9 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 10 | * Created: Wed Mar 29 02:18:23 1995 ylo |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 11 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 12 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 13 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 14 | /* RCSID("$Id: bufaux.h,v 1.5 2000/04/16 01:18:40 damien Exp $"); */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 15 | |
| 16 | #ifndef BUFAUX_H |
| 17 | #define BUFAUX_H |
| 18 | |
| 19 | #include "buffer.h" |
| 20 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 21 | /* |
| 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. |
| 24 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 25 | void buffer_put_bignum(Buffer * buffer, BIGNUM * value); |
Damien Miller | b38eff8 | 2000-04-01 11:09:21 +1000 | [diff] [blame] | 26 | void buffer_put_bignum2(Buffer * buffer, BIGNUM * value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 27 | |
| 28 | /* Retrieves an BIGNUM from the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 29 | int buffer_get_bignum(Buffer * buffer, BIGNUM * value); |
Damien Miller | b38eff8 | 2000-04-01 11:09:21 +1000 | [diff] [blame] | 30 | int buffer_get_bignum2(Buffer *buffer, BIGNUM * value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 31 | |
| 32 | /* Returns an integer from the buffer (4 bytes, msb first). */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 33 | unsigned int buffer_get_int(Buffer * buffer); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 34 | |
| 35 | /* Stores an integer in the buffer in 4 bytes, msb first. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 36 | void buffer_put_int(Buffer * buffer, unsigned int value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 37 | |
| 38 | /* Returns a character from the buffer (0 - 255). */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 39 | int buffer_get_char(Buffer * buffer); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 40 | |
| 41 | /* Stores a character in the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 42 | void buffer_put_char(Buffer * buffer, int value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 43 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 44 | /* |
| 45 | * Returns an arbitrary binary string from the buffer. The string cannot be |
| 46 | * longer than 256k. The returned value points to memory allocated with |
| 47 | * xmalloc; it is the responsibility of the calling function to free the |
| 48 | * data. If length_ptr is non-NULL, the length of the returned data will be |
| 49 | * stored there. A null character will be automatically appended to the |
| 50 | * returned string, and is not counted in length. |
| 51 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 52 | char *buffer_get_string(Buffer * buffer, unsigned int *length_ptr); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 53 | |
| 54 | /* Stores and arbitrary binary string in the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 55 | void buffer_put_string(Buffer * buffer, const void *buf, unsigned int len); |
Damien Miller | b38eff8 | 2000-04-01 11:09:21 +1000 | [diff] [blame] | 56 | void buffer_put_cstring(Buffer *buffer, const char *s); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 57 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 58 | #endif /* BUFAUX_H */ |