diff options
Diffstat (limited to 'crypto/openssh/buffer.h')
| -rw-r--r-- | crypto/openssh/buffer.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/crypto/openssh/buffer.h b/crypto/openssh/buffer.h new file mode 100644 index 0000000..ecc4aea --- /dev/null +++ b/crypto/openssh/buffer.h @@ -0,0 +1,85 @@ +/* $OpenBSD: buffer.h,v 1.16 2006/08/03 03:34:41 deraadt Exp $ */ + +/* + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * Code for manipulating FIFO buffers. + * + * 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". + */ + +#ifndef BUFFER_H +#define BUFFER_H + +typedef struct { + u_char *buf; /* Buffer for data. */ + u_int alloc; /* Number of bytes allocated for data. */ + u_int offset; /* Offset of first byte containing data. */ + u_int end; /* Offset of last byte containing data. */ +} Buffer; + +void buffer_init(Buffer *); +void buffer_clear(Buffer *); +void buffer_free(Buffer *); + +u_int buffer_len(Buffer *); +void *buffer_ptr(Buffer *); + +void buffer_append(Buffer *, const void *, u_int); +void *buffer_append_space(Buffer *, u_int); + +int buffer_check_alloc(Buffer *, u_int); + +void buffer_get(Buffer *, void *, u_int); + +void buffer_consume(Buffer *, u_int); +void buffer_consume_end(Buffer *, u_int); + +void buffer_dump(Buffer *); + +int buffer_get_ret(Buffer *, void *, u_int); +int buffer_consume_ret(Buffer *, u_int); +int buffer_consume_end_ret(Buffer *, u_int); + +#include <openssl/bn.h> + +void buffer_put_bignum(Buffer *, const BIGNUM *); +void buffer_put_bignum2(Buffer *, const BIGNUM *); +void buffer_get_bignum(Buffer *, BIGNUM *); +void buffer_get_bignum2(Buffer *, BIGNUM *); + +u_short buffer_get_short(Buffer *); +void buffer_put_short(Buffer *, u_short); + +u_int buffer_get_int(Buffer *); +void buffer_put_int(Buffer *, u_int); + +u_int64_t buffer_get_int64(Buffer *); +void buffer_put_int64(Buffer *, u_int64_t); + +int buffer_get_char(Buffer *); +void buffer_put_char(Buffer *, int); + +void *buffer_get_string(Buffer *, u_int *); +void buffer_put_string(Buffer *, const void *, u_int); +void buffer_put_cstring(Buffer *, const char *); + +#define buffer_skip_string(b) \ + do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while (0) + +int buffer_put_bignum_ret(Buffer *, const BIGNUM *); +int buffer_get_bignum_ret(Buffer *, BIGNUM *); +int buffer_put_bignum2_ret(Buffer *, const BIGNUM *); +int buffer_get_bignum2_ret(Buffer *, BIGNUM *); +int buffer_get_short_ret(u_short *, Buffer *); +int buffer_get_int_ret(u_int *, Buffer *); +int buffer_get_int64_ret(u_int64_t *, Buffer *); +void *buffer_get_string_ret(Buffer *, u_int *); +int buffer_get_char_ret(char *, Buffer *); + +#endif /* BUFFER_H */ |
