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/* $OpenBSD: buffer.h,v 1.23 2014/01/12 08:13:13 djm Exp $ */ |
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|
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/* |
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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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* Code for manipulating FIFO buffers. |
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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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|
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#ifndef BUFFER_H |
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#define BUFFER_H |
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|
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typedef struct { |
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u_char *buf; /* Buffer for data. */ |
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u_int alloc; /* Number of bytes allocated for data. */ |
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u_int offset; /* Offset of first byte containing data. */ |
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u_int end; /* Offset of last byte containing data. */ |
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} Buffer; |
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|
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void buffer_init(Buffer *); |
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void buffer_clear(Buffer *); |
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void buffer_free(Buffer *); |
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|
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u_int buffer_len(const Buffer *); |
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void *buffer_ptr(const Buffer *); |
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|
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void buffer_append(Buffer *, const void *, u_int); |
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void *buffer_append_space(Buffer *, u_int); |
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|
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int buffer_check_alloc(Buffer *, u_int); |
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|
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void buffer_get(Buffer *, void *, u_int); |
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|
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void buffer_consume(Buffer *, u_int); |
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void buffer_consume_end(Buffer *, u_int); |
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|
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void buffer_dump(const Buffer *); |
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|
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int buffer_get_ret(Buffer *, void *, u_int); |
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int buffer_consume_ret(Buffer *, u_int); |
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int buffer_consume_end_ret(Buffer *, u_int); |
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|
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#include <openssl/bn.h> |
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|
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void buffer_put_bignum(Buffer *, const BIGNUM *); |
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void buffer_put_bignum2(Buffer *, const BIGNUM *); |
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void buffer_get_bignum(Buffer *, BIGNUM *); |
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void buffer_get_bignum2(Buffer *, BIGNUM *); |
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|
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u_short buffer_get_short(Buffer *); |
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void buffer_put_short(Buffer *, u_short); |
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|
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u_int buffer_get_int(Buffer *); |
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void buffer_put_int(Buffer *, u_int); |
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|
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u_int64_t buffer_get_int64(Buffer *); |
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void buffer_put_int64(Buffer *, u_int64_t); |
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|
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int buffer_get_char(Buffer *); |
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void buffer_put_char(Buffer *, int); |
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|
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void *buffer_get_string(Buffer *, u_int *); |
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void *buffer_get_string_ptr(Buffer *, u_int *); |
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void buffer_put_string(Buffer *, const void *, u_int); |
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char *buffer_get_cstring(Buffer *, u_int *); |
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void buffer_put_cstring(Buffer *, const char *); |
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|
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#define buffer_skip_string(b) \ |
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do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while (0) |
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|
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int buffer_put_bignum_ret(Buffer *, const BIGNUM *); |
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int buffer_get_bignum_ret(Buffer *, BIGNUM *); |
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int buffer_put_bignum2_ret(Buffer *, const BIGNUM *); |
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int buffer_get_bignum2_ret(Buffer *, BIGNUM *); |
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int buffer_get_short_ret(u_short *, Buffer *); |
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int buffer_get_int_ret(u_int *, Buffer *); |
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int buffer_get_int64_ret(u_int64_t *, Buffer *); |
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void *buffer_get_string_ret(Buffer *, u_int *); |
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char *buffer_get_cstring_ret(Buffer *, u_int *); |
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void *buffer_get_string_ptr_ret(Buffer *, u_int *); |
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int buffer_get_char_ret(u_char *, Buffer *); |
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|
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void *buffer_get_bignum2_as_string_ret(Buffer *, u_int *); |
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void *buffer_get_bignum2_as_string(Buffer *, u_int *); |
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void buffer_put_bignum2_from_string(Buffer *, const u_char *, u_int); |
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|
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#ifdef OPENSSL_HAS_ECC |
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#include <openssl/ec.h> |
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|
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int buffer_put_ecpoint_ret(Buffer *, const EC_GROUP *, const EC_POINT *); |
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void buffer_put_ecpoint(Buffer *, const EC_GROUP *, const EC_POINT *); |
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int buffer_get_ecpoint_ret(Buffer *, const EC_GROUP *, EC_POINT *); |
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void buffer_get_ecpoint(Buffer *, const EC_GROUP *, EC_POINT *); |
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#endif |
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#endif /* BUFFER_H */ |
