Current File : //usr/local/include/proftpd/mod_sftp/msg.h
/*
* ProFTPD - mod_sftp message format
* Copyright (c) 2008-2022 TJ Saunders
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_SFTP_MSG_H
#define MOD_SFTP_MSG_H
#include "mod_sftp.h"
unsigned char sftp_msg_read_byte(pool *, unsigned char **, uint32_t *);
int sftp_msg_read_bool(pool *, unsigned char **, uint32_t *);
unsigned char *sftp_msg_read_data(pool *, unsigned char **, uint32_t *, size_t);
#if defined(PR_USE_OPENSSL_ECC)
EC_POINT *sftp_msg_read_ecpoint(pool *, unsigned char **, uint32_t *,
const EC_GROUP *, EC_POINT *);
#endif /* PR_USE_OPENSSL_ECC */
uint32_t sftp_msg_read_int(pool *, unsigned char **, uint32_t *);
uint64_t sftp_msg_read_long(pool *, unsigned char **, uint32_t *);
const BIGNUM *sftp_msg_read_mpint(pool *, unsigned char **, uint32_t *);
char *sftp_msg_read_string(pool *, unsigned char **, uint32_t *);
/* Variant of the Message Read API whose return value indicates the number
* of bytes of the message actually read. A zero-length return value indicates
* failure to read the requested data type.
*/
uint32_t sftp_msg_read_byte2(pool *, unsigned char **, uint32_t *, unsigned char *);
uint32_t sftp_msg_read_bool2(pool *, unsigned char **, uint32_t *, int *);
uint32_t sftp_msg_read_data2(pool *, unsigned char **, uint32_t *, size_t, unsigned char **);
#if defined(PR_USE_OPENSSL_ECC)
uint32_t sftp_msg_read_ecpoint2(pool *, unsigned char **, uint32_t *,
const EC_GROUP *, EC_POINT **);
#endif /* PR_USE_OPENSSL_ECC */
uint32_t sftp_msg_read_int2(pool *, unsigned char **, uint32_t *, uint32_t *);
uint32_t sftp_msg_read_long2(pool *, unsigned char **, uint32_t *, uint64_t *);
uint32_t sftp_msg_read_mpint2(pool *, unsigned char **, uint32_t *,
const BIGNUM **);
uint32_t sftp_msg_read_string2(pool *, unsigned char **, uint32_t *, char **);
uint32_t sftp_msg_write_byte(unsigned char **, uint32_t *, unsigned char);
uint32_t sftp_msg_write_bool(unsigned char **, uint32_t *, unsigned char);
uint32_t sftp_msg_write_data(unsigned char **, uint32_t *,
const unsigned char *, size_t, int);
#if defined(PR_USE_OPENSSL_ECC)
uint32_t sftp_msg_write_ecpoint(unsigned char **, uint32_t *, const EC_GROUP *,
const EC_POINT *);
#endif /* PR_USE_OPENSSL_ECC */
uint32_t sftp_msg_write_int(unsigned char **, uint32_t *, uint32_t);
uint32_t sftp_msg_write_long(unsigned char **, uint32_t *, uint64_t);
uint32_t sftp_msg_write_mpint(unsigned char **, uint32_t *, const BIGNUM *);
uint32_t sftp_msg_write_string(unsigned char **, uint32_t *, const char *);
/* Utility method for obtaining a scratch buffer for constructing SSH2
* messages without necessarily needing an SSH2 packet.
*/
unsigned char *sftp_msg_getbuf(pool *, size_t);
#endif /* MOD_SFTP_MSG_H */
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