]>
Commit | Line | Data |
---|---|---|
17f02f0a | 1 | /* $OpenBSD: buffer.h,v 1.17 2008/05/08 06:59:01 markus Exp $ */ |
93c3b6de | 2 | |
8efc0c15 | 3 | /* |
5260325f | 4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
6 | * All rights reserved | |
5260325f | 7 | * Code for manipulating FIFO buffers. |
35484284 | 8 | * |
bcbf86ec | 9 | * As far as I am concerned, the code I have written for this software |
10 | * can be used freely for any purpose. Any derived versions of this | |
11 | * software must be clearly marked as such, and if the derived work is | |
12 | * incompatible with the protocol description in the RFC file, it must be | |
13 | * called by a name other than "ssh" or "Secure Shell". | |
5260325f | 14 | */ |
8efc0c15 | 15 | |
8efc0c15 | 16 | #ifndef BUFFER_H |
17 | #define BUFFER_H | |
18 | ||
5260325f | 19 | typedef struct { |
6c0fa2b1 | 20 | u_char *buf; /* Buffer for data. */ |
255cabd9 | 21 | u_int alloc; /* Number of bytes allocated for data. */ |
22 | u_int offset; /* Offset of first byte containing data. */ | |
23 | u_int end; /* Offset of last byte containing data. */ | |
5260325f | 24 | } Buffer; |
8efc0c15 | 25 | |
255cabd9 | 26 | void buffer_init(Buffer *); |
27 | void buffer_clear(Buffer *); | |
28 | void buffer_free(Buffer *); | |
8efc0c15 | 29 | |
255cabd9 | 30 | u_int buffer_len(Buffer *); |
6c0fa2b1 | 31 | void *buffer_ptr(Buffer *); |
8efc0c15 | 32 | |
6c0fa2b1 | 33 | void buffer_append(Buffer *, const void *, u_int); |
34 | void *buffer_append_space(Buffer *, u_int); | |
8efc0c15 | 35 | |
69d9d413 | 36 | int buffer_check_alloc(Buffer *, u_int); |
37 | ||
6c0fa2b1 | 38 | void buffer_get(Buffer *, void *, u_int); |
8efc0c15 | 39 | |
255cabd9 | 40 | void buffer_consume(Buffer *, u_int); |
41 | void buffer_consume_end(Buffer *, u_int); | |
8efc0c15 | 42 | |
255cabd9 | 43 | void buffer_dump(Buffer *); |
8efc0c15 | 44 | |
b82a59f2 | 45 | int buffer_get_ret(Buffer *, void *, u_int); |
46 | int buffer_consume_ret(Buffer *, u_int); | |
47 | int buffer_consume_end_ret(Buffer *, u_int); | |
48 | ||
31652869 | 49 | #include <openssl/bn.h> |
50 | ||
51 | void buffer_put_bignum(Buffer *, const BIGNUM *); | |
52 | void buffer_put_bignum2(Buffer *, const BIGNUM *); | |
53 | void buffer_get_bignum(Buffer *, BIGNUM *); | |
54 | void buffer_get_bignum2(Buffer *, BIGNUM *); | |
55 | ||
56 | u_short buffer_get_short(Buffer *); | |
57 | void buffer_put_short(Buffer *, u_short); | |
58 | ||
59 | u_int buffer_get_int(Buffer *); | |
60 | void buffer_put_int(Buffer *, u_int); | |
61 | ||
62 | u_int64_t buffer_get_int64(Buffer *); | |
63 | void buffer_put_int64(Buffer *, u_int64_t); | |
64 | ||
65 | int buffer_get_char(Buffer *); | |
66 | void buffer_put_char(Buffer *, int); | |
67 | ||
68 | void *buffer_get_string(Buffer *, u_int *); | |
17f02f0a | 69 | void *buffer_get_string_ptr(Buffer *, u_int *); |
31652869 | 70 | void buffer_put_string(Buffer *, const void *, u_int); |
71 | void buffer_put_cstring(Buffer *, const char *); | |
72 | ||
73 | #define buffer_skip_string(b) \ | |
74 | do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while (0) | |
75 | ||
76 | int buffer_put_bignum_ret(Buffer *, const BIGNUM *); | |
77 | int buffer_get_bignum_ret(Buffer *, BIGNUM *); | |
78 | int buffer_put_bignum2_ret(Buffer *, const BIGNUM *); | |
79 | int buffer_get_bignum2_ret(Buffer *, BIGNUM *); | |
80 | int buffer_get_short_ret(u_short *, Buffer *); | |
81 | int buffer_get_int_ret(u_int *, Buffer *); | |
82 | int buffer_get_int64_ret(u_int64_t *, Buffer *); | |
83 | void *buffer_get_string_ret(Buffer *, u_int *); | |
84 | int buffer_get_char_ret(char *, Buffer *); | |
85 | ||
5260325f | 86 | #endif /* BUFFER_H */ |