Gav Wood
10 years ago
11 changed files with 516 additions and 42 deletions
@ -0,0 +1,16 @@ |
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cmake_policy(SET CMP0015 NEW) |
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set(CMAKE_AUTOMOC OFF) |
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|
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aux_source_directory(. SRC_LIST) |
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|
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include_directories(BEFORE ..) |
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include_directories(${LEVELDB_INCLUDE_DIRS}) |
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set(EXECUTABLE rlp) |
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add_executable(${EXECUTABLE} ${SRC_LIST}) |
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target_link_libraries(${EXECUTABLE} devcrypto) |
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install( TARGETS ${EXECUTABLE} DESTINATION bin) |
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@ -0,0 +1,128 @@ |
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/*
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base64.cpp and base64.h |
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Copyright (C) 2004-2008 René Nyffenegger |
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|
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This source code is provided 'as-is', without any express or implied |
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warranty. In no event will the author be held liable for any damages |
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arising from the use of this software. |
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|
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Permission is granted to anyone to use this software for any purpose, |
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including commercial applications, and to alter it and redistribute it |
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freely, subject to the following restrictions: |
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|
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1. The origin of this source code must not be misrepresented; you must not |
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claim that you wrote the original source code. If you use this source code |
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in a product, an acknowledgment in the product documentation would be |
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appreciated but is not required. |
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|
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2. Altered source versions must be plainly marked as such, and must not be |
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misrepresented as being the original source code. |
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|
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3. This notice may not be removed or altered from any source distribution. |
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|
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René Nyffenegger rene.nyffenegger@adp-gmbh.ch |
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*/ |
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/// code found on http://stackoverflow.com/questions/180947/base64-decode-snippet-in-c
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/// originally by René Nyffenegger, modified by some other guy and then again by Gav Wood.
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#include "base64.h" |
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#include <iostream> |
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|
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using namespace std; |
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using namespace dev; |
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static const std::string base64_chars = |
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
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"abcdefghijklmnopqrstuvwxyz" |
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"0123456789+/"; |
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|
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static inline bool is_base64(byte c) { |
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return (isalnum(c) || (c == '+') || (c == '/')); |
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} |
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|
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std::string dev::base64_encode(bytesConstRef _in) { |
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std::string ret; |
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int i = 0; |
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int j = 0; |
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byte char_array_3[3]; |
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byte char_array_4[4]; |
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|
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auto buf = _in.data(); |
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auto bufLen = _in.size(); |
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|
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while (bufLen--) { |
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char_array_3[i++] = *(buf++); |
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if (i == 3) { |
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char_array_4[0] = (char_array_3[0] & 0xfc) >> 2; |
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char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4); |
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char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6); |
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char_array_4[3] = char_array_3[2] & 0x3f; |
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for(i = 0; (i <4) ; i++) |
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ret += base64_chars[char_array_4[i]]; |
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i = 0; |
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} |
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} |
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|
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if (i) |
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{ |
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for(j = i; j < 3; j++) |
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char_array_3[j] = '\0'; |
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char_array_4[0] = (char_array_3[0] & 0xfc) >> 2; |
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char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4); |
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char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6); |
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char_array_4[3] = char_array_3[2] & 0x3f; |
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for (j = 0; (j < i + 1); j++) |
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ret += base64_chars[char_array_4[j]]; |
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|
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while((i++ < 3)) |
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ret += '='; |
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} |
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return ret; |
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} |
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bytes dev::base64_decode(std::string const& encoded_string) { |
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int in_len = encoded_string.size(); |
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int i = 0; |
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int j = 0; |
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int in_ = 0; |
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byte char_array_4[4], char_array_3[3]; |
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bytes ret; |
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while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) { |
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char_array_4[i++] = encoded_string[in_]; in_++; |
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if (i ==4) { |
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for (i = 0; i <4; i++) |
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char_array_4[i] = base64_chars.find(char_array_4[i]); |
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char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4); |
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char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2); |
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char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3]; |
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for (i = 0; (i < 3); i++) |
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ret.push_back(char_array_3[i]); |
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i = 0; |
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} |
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} |
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|
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if (i) { |
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for (j = i; j <4; j++) |
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char_array_4[j] = 0; |
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for (j = 0; j <4; j++) |
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char_array_4[j] = base64_chars.find(char_array_4[j]); |
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char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4); |
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char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2); |
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char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3]; |
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for (j = 0; (j < i - 1); j++) ret.push_back(char_array_3[j]); |
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} |
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return ret; |
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} |
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@ -0,0 +1,40 @@ |
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/*
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base64.cpp and base64.h |
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|
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Copyright (C) 2004-2008 René Nyffenegger |
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|
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This source code is provided 'as-is', without any express or implied |
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warranty. In no event will the author be held liable for any damages |
|||
arising from the use of this software. |
|||
|
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Permission is granted to anyone to use this software for any purpose, |
|||
including commercial applications, and to alter it and redistribute it |
|||
freely, subject to the following restrictions: |
|||
|
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1. The origin of this source code must not be misrepresented; you must not |
|||
claim that you wrote the original source code. If you use this source code |
|||
in a product, an acknowledgment in the product documentation would be |
|||
appreciated but is not required. |
|||
|
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2. Altered source versions must be plainly marked as such, and must not be |
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misrepresented as being the original source code. |
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|
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3. This notice may not be removed or altered from any source distribution. |
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|
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René Nyffenegger rene.nyffenegger@adp-gmbh.ch |
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*/ |
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/// code found on http://stackoverflow.com/questions/180947/base64-decode-snippet-in-c
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/// originally by René Nyffenegger, modified by some other guy and then again by Gav Wood.
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#pragma once |
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#include <vector> |
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#include <string> |
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#include <libdevcore/Common.h> |
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namespace dev |
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{ |
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std::string base64_encode(bytesConstRef _in); |
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bytes base64_decode(std::string const& _in); |
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} |
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@ -0,0 +1,279 @@ |
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/*
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This file is part of cpp-ethereum. |
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file main.cpp
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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* RLP tool. |
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*/ |
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#include <fstream> |
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#include <iostream> |
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#include <boost/algorithm/string.hpp> |
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#include <libdevcore/Common.h> |
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#include <libdevcore/CommonIO.h> |
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#include <libdevcore/RLP.h> |
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#include <libdevcrypto/SHA3.h> |
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#include "base64.h" |
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using namespace std; |
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using namespace dev; |
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void help() |
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{ |
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cout |
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<< "Usage rlp [OPTIONS] [ <file> | -- ]" << endl |
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<< "Options:" << endl |
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<< " -V,--version Show the version and exit." << endl |
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; |
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exit(0); |
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} |
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void version() |
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{ |
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cout << "rlp version " << dev::Version << endl; |
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exit(0); |
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} |
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enum class Mode { |
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ListArchive, |
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ExtractArchive, |
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Render, |
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}; |
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enum class Encoding { |
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Auto, |
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Hex, |
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Base64, |
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Binary, |
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}; |
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bool isAscii(string const& _s) |
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{ |
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for (char c: _s) |
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if (c < 32) |
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return false; |
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return true; |
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} |
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class RLPStreamer |
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{ |
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public: |
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struct Prefs |
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{ |
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string indent = " "; |
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bool hexInts = false; |
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bool forceString = false; |
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bool escapeAll = false; |
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bool forceHex = false; |
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}; |
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RLPStreamer(ostream& _out, Prefs _p): m_out(_out), m_prefs(_p) {} |
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void output(RLP const& _d, unsigned _level = 0) |
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{ |
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if (_d.isNull()) |
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m_out << "null"; |
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else if (_d.isInt()) |
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if (m_prefs.hexInts) |
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m_out << toHex(toCompactBigEndian(_d.toInt<bigint>(RLP::LaisezFaire))); |
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else |
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m_out << _d.toInt<bigint>(RLP::LaisezFaire); |
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else if (_d.isData()) |
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if (m_prefs.forceString || (!m_prefs.forceHex && isAscii(_d.toString()))) |
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m_out << escaped(_d.toString(), m_prefs.escapeAll); |
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else |
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m_out << toHex(_d.data()); |
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else if (_d.isList()) |
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{ |
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m_out << "["; |
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string newline = "\n"; |
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for (unsigned i = 0; i < _level + 1; ++i) |
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newline += m_prefs.indent; |
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int j = 0; |
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for (auto i: _d) |
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{ |
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m_out << (j++ ? |
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(m_prefs.indent.empty() ? ", " : ("," + newline)) : |
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(m_prefs.indent.empty() ? " " : newline)); |
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output(i, _level + 1); |
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} |
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newline = newline.substr(0, newline.size() - m_prefs.indent.size()); |
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m_out << (m_prefs.indent.empty() ? (j ? " ]" : "]") : (j ? newline + "]" : "]")); |
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} |
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} |
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private: |
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std::ostream& m_out; |
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Prefs m_prefs; |
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}; |
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|
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int main(int argc, char** argv) |
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{ |
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Encoding encoding = Encoding::Auto; |
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Mode mode = Mode::Render; |
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string inputFile = "--"; |
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bool lenience = false; |
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RLPStreamer::Prefs prefs; |
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for (int i = 1; i < argc; ++i) |
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{ |
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string arg = argv[i]; |
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if (arg == "-h" || arg == "--help") |
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help(); |
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else if (arg == "-r" || arg == "--render") |
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mode = Mode::Render; |
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else if ((arg == "-i" || arg == "--indent") && argc > i) |
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prefs.indent = argv[++i]; |
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else if (arg == "--hex-ints") |
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prefs.hexInts = true; |
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else if (arg == "--force-string") |
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prefs.forceString = true; |
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else if (arg == "--force-hex") |
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prefs.forceHex = true; |
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else if (arg == "--force-escape") |
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prefs.escapeAll = true; |
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else if (arg == "-l" || arg == "--list-archive") |
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mode = Mode::ListArchive; |
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else if (arg == "-e" || arg == "--extract-archive") |
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mode = Mode::ExtractArchive; |
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else if (arg == "-L" || arg == "--lenience") |
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lenience = true; |
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else if (arg == "-V" || arg == "--version") |
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version(); |
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else if (arg == "-x" || arg == "--hex" || arg == "--base-16") |
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encoding = Encoding::Hex; |
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else if (arg == "--64" || arg == "--base-64") |
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encoding = Encoding::Base64; |
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else if (arg == "-b" || arg == "--bin" || arg == "--base-256") |
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encoding = Encoding::Binary; |
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else |
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inputFile = arg; |
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} |
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|
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bytes in; |
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if (inputFile == "--") |
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for (int i = cin.get(); i != -1; i = cin.get()) |
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in.push_back((byte)i); |
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else |
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in = contents(inputFile); |
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if (encoding == Encoding::Auto) |
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{ |
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encoding = Encoding::Hex; |
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for (char b: in) |
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if (b != '\n' && b != ' ' && b != '\t') |
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{ |
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if (encoding == Encoding::Hex && (b < '0' || b > '9' ) && (b < 'a' || b > 'f' ) && (b < 'A' || b > 'F' )) |
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{ |
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cerr << "'" << b << "':" << (int)b << endl; |
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encoding = Encoding::Base64; |
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} |
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if (encoding == Encoding::Base64 && (b < '0' || b > '9' ) && (b < 'a' || b > 'z' ) && (b < 'A' || b > 'Z' ) && b != '+' && b != '/') |
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{ |
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encoding = Encoding::Binary; |
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break; |
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} |
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} |
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} |
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bytes b; |
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switch (encoding) |
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{ |
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case Encoding::Hex: |
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{ |
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string s = asString(in); |
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boost::algorithm::replace_all(s, " ", ""); |
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boost::algorithm::replace_all(s, "\n", ""); |
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boost::algorithm::replace_all(s, "\t", ""); |
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b = fromHex(s); |
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break; |
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} |
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case Encoding::Base64: |
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{ |
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string s = asString(in); |
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boost::algorithm::replace_all(s, " ", ""); |
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boost::algorithm::replace_all(s, "\n", ""); |
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boost::algorithm::replace_all(s, "\t", ""); |
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b = base64_decode(s); |
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break; |
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} |
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default: |
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swap(b, in); |
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break; |
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} |
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|
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try |
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{ |
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RLP rlp(b); |
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switch (mode) |
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{ |
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case Mode::ListArchive: |
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{ |
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if (!rlp.isList()) |
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{ |
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cout << "Error: Invalid format; RLP data is not a list." << endl; |
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exit(1); |
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} |
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cout << rlp.itemCount() << " items:" << endl; |
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for (auto i: rlp) |
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{ |
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if (!i.isData()) |
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{ |
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cout << "Error: Invalid format; RLP list item is not data." << endl; |
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if (!lenience) |
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exit(1); |
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} |
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cout << " " << i.size() << " bytes: " << sha3(i.data()) << endl; |
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} |
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break; |
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} |
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case Mode::ExtractArchive: |
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{ |
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if (!rlp.isList()) |
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{ |
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cout << "Error: Invalid format; RLP data is not a list." << endl; |
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exit(1); |
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} |
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cout << rlp.itemCount() << " items:" << endl; |
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for (auto i: rlp) |
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{ |
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if (!i.isData()) |
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{ |
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cout << "Error: Invalid format; RLP list item is not data." << endl; |
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if (!lenience) |
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exit(1); |
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} |
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ofstream fout; |
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fout.open(toString(sha3(i.data()))); |
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fout.write(reinterpret_cast<char const*>(i.data().data()), i.data().size()); |
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} |
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break; |
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} |
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case Mode::Render: |
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{ |
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RLPStreamer s(cout, prefs); |
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s.output(rlp); |
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cout << endl; |
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break; |
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} |
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default:; |
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} |
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} |
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catch (...) |
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{ |
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cerr << "Error: Invalid format; bad RLP." << endl; |
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exit(1); |
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} |
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|
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return 0; |
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} |
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