From fffd213c8cba2135afda493d797c41c10354770e Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Sat, 12 Apr 2008 11:38:42 +0000 Subject: big svn cleanup --- buffer.cpp | 257 ------------------------------------------------------------- 1 file changed, 257 deletions(-) delete mode 100644 buffer.cpp (limited to 'buffer.cpp') diff --git a/buffer.cpp b/buffer.cpp deleted file mode 100644 index 250a806..0000000 --- a/buffer.cpp +++ /dev/null @@ -1,257 +0,0 @@ -/* - * anytun - * - * The secure anycast tunneling protocol (satp) defines a protocol used - * for communication between any combination of unicast and anycast - * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel - * mode and allows tunneling of every ETHER TYPE protocol (e.g. - * ethernet, ip, arp ...). satp directly includes cryptography and - * message authentication based on the methodes used by SRTP. It is - * intended to deliver a generic, scaleable and secure solution for - * tunneling and relaying of packets of any protocol. - * - * - * Copyright (C) 2007 anytun.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * 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 (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include "datatypes.h" -#include "buffer.h" - -Buffer::Buffer(bool allow_realloc) : buf_(0), length_(0), real_length_(0), allow_realloc_(allow_realloc) -{ -} - -Buffer::Buffer(u_int32_t length, bool allow_realloc) : length_(length), real_length_(length_ + Buffer::OVER_SIZE_), - allow_realloc_(allow_realloc) -{ - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - throw std::bad_alloc(); - } - std::memset(buf_, 0, real_length_); -} - -Buffer::Buffer(u_int8_t* data, u_int32_t length, bool allow_realloc) : length_(length), real_length_(length + Buffer::OVER_SIZE_), - allow_realloc_(allow_realloc) -{ - if(!data) { - length_ = 0; - real_length_ = 0; - return; - } - - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - throw std::bad_alloc(); - } - std::memcpy(buf_, data, length_); -} - -Buffer::Buffer(std::string hex_data, bool allow_realloc) : length_(hex_data.size()/2), - real_length_(length_ + Buffer::OVER_SIZE_), - allow_realloc_(allow_realloc) -{ - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - throw std::bad_alloc(); - } - - for(u_int32_t i=0; i> std::hex >> tmp)) tmp = 0; - buf_[i] = tmp; - } -} - -Buffer::~Buffer() -{ - if(buf_) - delete[] buf_; -} - -Buffer::Buffer(const Buffer &src) : length_(src.length_), real_length_(src.real_length_), allow_realloc_(src.allow_realloc_) -{ - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - throw std::bad_alloc(); - } - std::memcpy(buf_, src.buf_, length_); -} - -void Buffer::operator=(const Buffer &src) -{ - if(buf_) - delete[] buf_; - - length_ = src.length_; - real_length_ = src.real_length_; - allow_realloc_ = src.allow_realloc_; - - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - throw std::bad_alloc(); - } - std::memcpy(buf_, src.buf_, length_); -} - - - -bool Buffer::operator==(const Buffer &cmp) const -{ - if(length_ != cmp.length_) - return false; - - if(!std::memcmp(buf_, cmp.buf_, length_)) - return true; - - return false; -} - -Buffer Buffer::operator^(const Buffer &xor_by) const -{ - u_int32_t res_length = (xor_by.length_ > length_) ? xor_by.length_ : length_; - u_int32_t min_length = (xor_by.length_ < length_) ? xor_by.length_ : length_; - Buffer res(res_length); - - for( u_int32_t index = 0; index < min_length; index++ ) - res[index] = buf_[index] ^ xor_by[index]; - - return res; -} - -u_int32_t Buffer::getLength() const -{ - return length_; -} - -void Buffer::setLength(u_int32_t new_length) -{ - if(new_length == length_) - return; - - if(new_length > real_length_) - { - if(!allow_realloc_) - throw std::out_of_range("buffer::setLength() - reallocation not allowed for this Buffer"); - - u_int8_t* old_buf = buf_; - u_int32_t old_length = length_; - - length_ = new_length; - real_length_ = length_ + Buffer::OVER_SIZE_; - - buf_ = new u_int8_t[real_length_]; - if(!buf_) { - length_ = 0; - real_length_ = 0; - if(old_buf) - delete[] old_buf; - - throw std::bad_alloc(); - } - std::memcpy(buf_, old_buf, old_length); - - if(old_buf) - delete[] old_buf; - - old_buf = &buf_[old_length]; - std::memset(old_buf, 0, real_length_ - old_length); - } - else - length_ = new_length; - - reinit(); -} - - -u_int8_t* Buffer::getBuf() -{ - return buf_; -} - -u_int8_t& Buffer::operator[](u_int32_t index) -{ - if(index >= length_) - throw std::out_of_range("buffer::operator[]"); - - return buf_[index]; -} - -u_int8_t Buffer::operator[](u_int32_t index) const -{ - if(index >= length_) - throw std::out_of_range("buffer::operator[] const"); - - return buf_[index]; -} - -Buffer::operator u_int8_t*() -{ - return buf_; -} - -std::string Buffer::getHexDump() const -{ - std::stringstream ss; - ss << "Length=" << length_ << std::endl << std::hex << std::uppercase; - for( u_int32_t index = 0; index < length_; index++ ) - { - ss << std::setw(2) << std::setfill('0') << u_int32_t(buf_[index]) << " "; - if(!((index+1) % 16)) { - ss << std::endl; - continue; - } - if(!((index+1) % 8)) - ss << " "; - } - return ss.str(); -} - -std::string Buffer::getHexDumpOneLine() const -{ - std::stringstream ss; - ss << length_ << " Bytes,'" << std::hex << std::uppercase; - for( u_int32_t index = 0; index < length_; index++ ) - { - ss << std::setw(2) << std::setfill('0') << u_int32_t(buf_[index]); - } - ss << "'"; - return ss.str(); -} - -bool Buffer::isReallocAllowed() const -{ - return allow_realloc_; -} -- cgit v1.2.3