mirror of
https://github.com/tmate-io/tmate-ssh-server.git
synced 2020-11-18 19:53:51 -08:00
73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
/*
|
|
* This file is part of the SSH Library
|
|
*
|
|
* Copyright (c) 2009 by Aris Adamantiadis
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef BUFFER_H_
|
|
#define BUFFER_H_
|
|
|
|
#include "libssh/libssh.h"
|
|
/*
|
|
* Describes a buffer state
|
|
* [XXXXXXXXXXXXDATA PAYLOAD XXXXXXXXXXXXXXXXXXXXXXXX]
|
|
* ^ ^ ^ ^]
|
|
* \_data points\_pos points here \_used points here | /
|
|
* here Allocated
|
|
*/
|
|
struct ssh_buffer_struct {
|
|
char *data;
|
|
uint32_t used;
|
|
uint32_t allocated;
|
|
uint32_t pos;
|
|
};
|
|
|
|
LIBSSH_API void ssh_buffer_free(ssh_buffer buffer);
|
|
LIBSSH_API void *ssh_buffer_get_begin(ssh_buffer buffer);
|
|
LIBSSH_API uint32_t ssh_buffer_get_len(ssh_buffer buffer);
|
|
LIBSSH_API ssh_buffer ssh_buffer_new(void);
|
|
int buffer_add_ssh_string(ssh_buffer buffer, ssh_string string);
|
|
int buffer_add_u8(ssh_buffer buffer, uint8_t data);
|
|
int buffer_add_u16(ssh_buffer buffer, uint16_t data);
|
|
int buffer_add_u32(ssh_buffer buffer, uint32_t data);
|
|
int buffer_add_u64(ssh_buffer buffer, uint64_t data);
|
|
int buffer_add_data(ssh_buffer buffer, const void *data, uint32_t len);
|
|
int buffer_prepend_data(ssh_buffer buffer, const void *data, uint32_t len);
|
|
int buffer_add_buffer(ssh_buffer buffer, ssh_buffer source);
|
|
int buffer_reinit(ssh_buffer buffer);
|
|
|
|
/* buffer_get_rest returns a pointer to the current position into the buffer */
|
|
void *buffer_get_rest(ssh_buffer buffer);
|
|
/* buffer_get_rest_len returns the number of bytes which can be read */
|
|
uint32_t buffer_get_rest_len(ssh_buffer buffer);
|
|
|
|
/* buffer_read_*() returns the number of bytes read, except for ssh strings */
|
|
int buffer_get_u8(ssh_buffer buffer, uint8_t *data);
|
|
int buffer_get_u32(ssh_buffer buffer, uint32_t *data);
|
|
int buffer_get_u64(ssh_buffer buffer, uint64_t *data);
|
|
|
|
uint32_t buffer_get_data(ssh_buffer buffer, void *data, uint32_t requestedlen);
|
|
/* buffer_get_ssh_string() is an exception. if the String read is too large or invalid, it will answer NULL. */
|
|
ssh_string buffer_get_ssh_string(ssh_buffer buffer);
|
|
/* gets a string out of a SSH-1 mpint */
|
|
ssh_string buffer_get_mpint(ssh_buffer buffer);
|
|
/* buffer_pass_bytes acts as if len bytes have been read (used for padding) */
|
|
uint32_t buffer_pass_bytes_end(ssh_buffer buffer, uint32_t len);
|
|
uint32_t buffer_pass_bytes(ssh_buffer buffer, uint32_t len);
|
|
|
|
#endif /* BUFFER_H_ */
|