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Diffstat (limited to 'node/Pack.cpp')
| -rw-r--r-- | node/Pack.cpp | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/node/Pack.cpp b/node/Pack.cpp deleted file mode 100644 index 98686559..00000000 --- a/node/Pack.cpp +++ /dev/null @@ -1,159 +0,0 @@ -/* - * ZeroTier One - Global Peer to Peer Ethernet - * Copyright (C) 2012-2013 ZeroTier Networks LLC - * - * 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 3 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, see <http://www.gnu.org/licenses/>. - * - * -- - * - * ZeroTier may be used and distributed under the terms of the GPLv3, which - * are available at: http://www.gnu.org/licenses/gpl-3.0.html - * - * If you would like to embed ZeroTier into a commercial application or - * redistribute it in a modified binary form, please contact ZeroTier Networks - * LLC. Start here: http://www.zerotier.com/ - */ - -#include <iostream> -#include <string.h> -#include <stdlib.h> -#include "Pack.hpp" -#include "BlobArray.hpp" -#include "Utils.hpp" - -#include <openssl/sha.h> - -namespace ZeroTier { - -std::vector<const Pack::Entry *> Pack::getAll() const -{ - std::vector<const Entry *> v; - for(std::map<std::string,Entry>::const_iterator e=_entries.begin();e!=_entries.end();++e) - v.push_back(&(e->second)); - return v; -} - -const Pack::Entry *Pack::get(const std::string &name) const -{ - std::map<std::string,Entry>::const_iterator e(_entries.find(name)); - return ((e == _entries.end()) ? (const Entry *)0 : &(e->second)); -} - -const Pack::Entry *Pack::put(const std::string &name,const std::string &content) -{ - SHA256_CTX sha; - - Pack::Entry &e = _entries[name]; - e.name = name; - e.content = content; - - SHA256_Init(&sha); - SHA256_Update(&sha,content.data(),content.length()); - SHA256_Final(e.sha256,&sha); - - e.signedBy = 0; - e.signature.assign((const char *)0,0); - - return &e; -} - -void Pack::clear() -{ - _entries.clear(); -} - -std::string Pack::serialize() const -{ - BlobArray archive; - for(std::map<std::string,Entry>::const_iterator e=_entries.begin();e!=_entries.end();++e) { - BlobArray entry; - entry.push_back(e->second.name); - entry.push_back(e->second.content); - entry.push_back(std::string((const char *)e->second.sha256,sizeof(e->second.sha256))); - entry.push_back(e->second.signedBy.toBinaryString()); - entry.push_back(e->second.signature); - archive.push_back(entry.serialize()); - } - - std::string ser(archive.serialize()); - std::string comp; - Utils::compress(ser.begin(),ser.end(),Utils::StringAppendOutput(comp)); - return comp; -} - -bool Pack::deserialize(const void *sd,unsigned int sdlen) -{ - unsigned char dig[32]; - SHA256_CTX sha; - - std::string decomp; - if (!Utils::decompress(((const char *)sd),((const char *)sd) + sdlen,Utils::StringAppendOutput(decomp))) - return false; - - BlobArray archive; - archive.deserialize(decomp.data(),decomp.length()); - clear(); - for(BlobArray::const_iterator i=archive.begin();i!=archive.end();++i) { - BlobArray entry; - entry.deserialize(i->data(),i->length()); - - if (entry.size() != 5) return false; - if (entry[2].length() != 32) return false; // SHA-256 - if (entry[3].length() != ZT_ADDRESS_LENGTH) return false; // Address - - Pack::Entry &e = _entries[entry[0]]; - e.name = entry[0]; - e.content = entry[1]; - - SHA256_Init(&sha); - SHA256_Update(&sha,e.content.data(),e.content.length()); - SHA256_Final(dig,&sha); - if (memcmp(dig,entry[2].data(),32)) return false; // integrity check failed - memcpy(e.sha256,dig,32); - - if (entry[3].length() == ZT_ADDRESS_LENGTH) - e.signedBy.setTo(entry[3].data()); - else e.signedBy = 0; - e.signature = entry[4]; - } - return true; -} - -bool Pack::signAll(const Identity &id) -{ - for(std::map<std::string,Entry>::iterator e=_entries.begin();e!=_entries.end();++e) { - e->second.signedBy = id.address(); - e->second.signature = id.sign(e->second.sha256); - if (!e->second.signature.length()) - return false; - } - return true; -} - -std::vector<const Pack::Entry *> Pack::verifyAll(const Identity &id,bool mandatory) const -{ - std::vector<const Entry *> bad; - for(std::map<std::string,Entry>::const_iterator e=_entries.begin();e!=_entries.end();++e) { - if ((e->second.signedBy)&&(e->second.signature.length())) { - if (id.address() != e->second.signedBy) - bad.push_back(&(e->second)); - else if (!id.verifySignature(e->second.sha256,e->second.signature.data(),e->second.signature.length())) - bad.push_back(&(e->second)); - } else if (mandatory) - bad.push_back(&(e->second)); - } - return bad; -} - -} // namespace ZeroTier |