Annotation of src/usr.bin/ssh/buffer.h, Revision 1.21
1.21 ! djm 1: /* $OpenBSD: buffer.h,v 1.20 2010/08/31 09:58:37 djm Exp $ */
1.11 stevesk 2:
1.1 deraadt 3: /*
1.2 deraadt 4: * Author: Tatu Ylonen <ylo@cs.hut.fi>
5: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6: * All rights reserved
7: * Code for manipulating FIFO buffers.
1.4 markus 8: *
1.6 deraadt 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".
1.2 deraadt 14: */
1.1 deraadt 15:
16: #ifndef BUFFER_H
17: #define BUFFER_H
18:
1.2 deraadt 19: typedef struct {
1.10 stevesk 20: u_char *buf; /* Buffer for data. */
1.9 markus 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. */
1.2 deraadt 24: } Buffer;
1.13 markus 25:
1.9 markus 26: void buffer_init(Buffer *);
27: void buffer_clear(Buffer *);
28: void buffer_free(Buffer *);
1.1 deraadt 29:
1.19 djm 30: u_int buffer_len(const Buffer *);
31: void *buffer_ptr(const Buffer *);
1.9 markus 32:
1.10 stevesk 33: void buffer_append(Buffer *, const void *, u_int);
34: void *buffer_append_space(Buffer *, u_int);
1.15 djm 35:
36: int buffer_check_alloc(Buffer *, u_int);
1.9 markus 37:
1.10 stevesk 38: void buffer_get(Buffer *, void *, u_int);
1.9 markus 39:
40: void buffer_consume(Buffer *, u_int);
41: void buffer_consume_end(Buffer *, u_int);
42:
1.19 djm 43: void buffer_dump(const Buffer *);
1.12 djm 44:
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);
1.16 deraadt 48:
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 *);
1.17 markus 69: void *buffer_get_string_ptr(Buffer *, u_int *);
1.16 deraadt 70: void buffer_put_string(Buffer *, const void *, u_int);
1.20 djm 71: char *buffer_get_cstring(Buffer *, u_int *);
1.16 deraadt 72: void buffer_put_cstring(Buffer *, const char *);
73:
74: #define buffer_skip_string(b) \
75: do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while (0)
76:
77: int buffer_put_bignum_ret(Buffer *, const BIGNUM *);
78: int buffer_get_bignum_ret(Buffer *, BIGNUM *);
79: int buffer_put_bignum2_ret(Buffer *, const BIGNUM *);
80: int buffer_get_bignum2_ret(Buffer *, BIGNUM *);
81: int buffer_get_short_ret(u_short *, Buffer *);
82: int buffer_get_int_ret(u_int *, Buffer *);
83: int buffer_get_int64_ret(u_int64_t *, Buffer *);
84: void *buffer_get_string_ret(Buffer *, u_int *);
1.20 djm 85: char *buffer_get_cstring_ret(Buffer *, u_int *);
1.18 djm 86: void *buffer_get_string_ptr_ret(Buffer *, u_int *);
1.16 deraadt 87: int buffer_get_char_ret(char *, Buffer *);
1.21 ! djm 88:
! 89: #include <openssl/ec.h>
! 90:
! 91: int buffer_put_ecpoint_ret(Buffer *, const EC_GROUP *, const EC_POINT *);
! 92: void buffer_put_ecpoint(Buffer *, const EC_GROUP *, const EC_POINT *);
! 93: int buffer_get_ecpoint_ret(Buffer *, const EC_GROUP *, EC_POINT *);
! 94: void buffer_get_ecpoint(Buffer *, const EC_GROUP *, EC_POINT *);
1.1 deraadt 95:
1.2 deraadt 96: #endif /* BUFFER_H */