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100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/* $OpenBSD: buffer.h,v 1.25 2014/04/30 05:29:56 djm Exp $ */
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/*
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* Copyright (c) 2012 Damien Miller <djm@mindrot.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
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#ifndef BUFFER_H
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#define BUFFER_H
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#include "sshbuf.h"
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typedef struct sshbuf Buffer;
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#define buffer_init(b) sshbuf_init(b)
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#define buffer_clear(b) sshbuf_reset(b)
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#define buffer_free(b) sshbuf_free(b)
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#define buffer_dump(b) sshbuf_dump(b, stderr)
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/* XXX cast is safe: sshbuf never stores more than len 2^31 */
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#define buffer_len(b) ((u_int) sshbuf_len(b))
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#define buffer_ptr(b) sshbuf_mutable_ptr(b)
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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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int buffer_check_alloc(Buffer *, u_int);
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void buffer_get(Buffer *, void *, u_int);
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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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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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#include <openssl/objects.h>
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#include <openssl/bn.h>
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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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void buffer_put_bignum2_from_string(Buffer *, const u_char *, u_int);
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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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u_int buffer_get_int(Buffer *);
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void buffer_put_int(Buffer *, u_int);
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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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int buffer_get_char(Buffer *);
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void buffer_put_char(Buffer *, int);
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void *buffer_get_string(Buffer *, u_int *);
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const 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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#define buffer_skip_string(b) (void)buffer_get_string_ptr(b, NULL);
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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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const void *buffer_get_string_ptr_ret(Buffer *, u_int *);
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int buffer_get_char_ret(char *, Buffer *);
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#ifdef OPENSSL_HAS_ECC
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#include <openssl/ec.h>
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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 */
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