mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
a6dfac2a37
Removed not necessary include <sstream>. git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5112 b45a01b8-16f6-495d-af2f-9b41ad6348cc
523 lines
12 KiB
C++
523 lines
12 KiB
C++
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/*
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* libretroshare/src/serialiser: rstlvtypes.cc
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*
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* RetroShare Serialiser.
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*
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* Copyright 2007-2008 by Robert Fernie, Chris Parker
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "rstlvkeys.h"
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#include "rstlvbase.h"
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#include "rstlvtypes.h"
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#include "rsbaseserial.h"
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#include "util/rsprint.h"
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#include <ostream>
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#include <iomanip>
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#include <iostream>
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//#define TLV_DEBUG 1
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/************************************* RsTlvSecurityKey ************************************/
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RsTlvSecurityKey::RsTlvSecurityKey()
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:RsTlvItem(), keyFlags(0), startTS(0), endTS(0), keyData(TLV_TYPE_KEY_EVP_PKEY)
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{
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return;
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}
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void RsTlvSecurityKey::TlvClear()
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{
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keyId.clear();
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keyFlags = 0;
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startTS = 0;
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endTS = 0;
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keyData.TlvClear();
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}
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/* clears keyData - but doesn't delete */
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void RsTlvSecurityKey::ShallowClear()
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{
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keyId.clear();
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keyFlags = 0;
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startTS = 0;
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endTS = 0;
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keyData.bin_data = 0;
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keyData.bin_len = 0;
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}
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uint32_t RsTlvSecurityKey::TlvSize()
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{
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uint32_t s = TLV_HEADER_SIZE; /* header + 4 for size */
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/* now add comment and title length of this tlv object */
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s += GetTlvStringSize(keyId);
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s += 4;
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s += 4;
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s += 4;
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s += keyData.TlvSize();
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return s;
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}
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bool RsTlvSecurityKey::SetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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/* must check sizes */
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uint32_t tlvsize = TlvSize();
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKey::SetTlv() Failed not enough space";
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std::cerr << std::endl;
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#endif
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return false; /* not enough space */
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}
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bool ok = true;
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/* start at data[offset] */
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/* add mandatory parts first */
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ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE_SECURITYKEY, tlvsize);
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ok &= SetTlvString(data, tlvend, offset, TLV_TYPE_STR_KEYID, keyId);
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ok &= setRawUInt32(data, tlvend, offset, keyFlags);
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ok &= setRawUInt32(data, tlvend, offset, startTS);
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ok &= setRawUInt32(data, tlvend, offset, endTS);
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ok &= keyData.SetTlv(data, tlvend, offset);
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return ok;
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}
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bool RsTlvSecurityKey::GetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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if (size < *offset + TLV_HEADER_SIZE)
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return false;
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uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
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uint32_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend) /* check size */
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKey::GetTlv() Fail, not enough space";
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std::cerr << std::endl;
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#endif
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return false; /* not enough space */
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}
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if (tlvtype != TLV_TYPE_SECURITYKEY) /* check type */
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKey::GetTlv() Fail, wrong type";
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std::cerr << std::endl;
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#endif
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return false;
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}
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bool ok = true;
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/* ready to load */
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TlvClear();
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/* skip the header */
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(*offset) += TLV_HEADER_SIZE;
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ok &= GetTlvString(data, tlvend, offset, TLV_TYPE_STR_KEYID, keyId);
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ok &= getRawUInt32(data, tlvend, offset, &(keyFlags));
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ok &= getRawUInt32(data, tlvend, offset, &(startTS));
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ok &= getRawUInt32(data, tlvend, offset, &(endTS));
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ok &= keyData.GetTlv(data, tlvend, offset);
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/***************************************************************************
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* NB: extra components could be added (for future expansion of the type).
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* or be present (if this code is reading an extended version).
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*
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* We must chew up the extra characters to conform with TLV specifications
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***************************************************************************/
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if (*offset != tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKey::GetTlv() Warning extra bytes at end of item";
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std::cerr << std::endl;
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#endif
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*offset = tlvend;
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}
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if (!ok)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKey::GetTlv() Failed somewhere ok == false";
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std::cerr << std::endl;
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#endif
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}
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return ok;
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}
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std::ostream &RsTlvSecurityKey::print(std::ostream &out, uint16_t indent)
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{
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printBase(out, "RsTlvSecurityKey", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "KeyId:" << keyId;
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out << std::endl;
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printIndent(out, int_Indent);
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out << "KeyFlags:" << keyFlags;
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out << std::endl;
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printIndent(out, int_Indent);
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out << "StartTS:" << startTS;
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out << std::endl;
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printIndent(out, int_Indent);
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out << "EndTS:" << endTS;
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out << std::endl;
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keyData.print(out, int_Indent);
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out << std::endl;
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printEnd(out, "RsTlvSecurityKey", indent);
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return out;
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}
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/************************************* RsTlvSecurityKeySet ************************************/
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void RsTlvSecurityKeySet::TlvClear()
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{
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groupId.clear();
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keys.clear(); //empty list
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}
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uint32_t RsTlvSecurityKeySet::TlvSize()
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{
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uint32_t s = TLV_HEADER_SIZE; /* header */
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std::map<std::string, RsTlvSecurityKey>::iterator it;
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s += GetTlvStringSize(groupId);
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if(!keys.empty())
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{
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for(it = keys.begin(); it != keys.end() ; ++it)
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s += (it->second).TlvSize();
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}
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return s;
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}
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bool RsTlvSecurityKeySet::SetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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/* must check sizes */
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uint32_t tlvsize = TlvSize();
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKeySet::SetTlv() Failed not enough space";
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std::cerr << std::endl;
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#endif
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return false; /* not enough space */
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}
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bool ok = true;
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/* start at data[offset] */
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ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE_SECURITYKEYSET , tlvsize);
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/* groupId */
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ok &= SetTlvString(data, tlvend, offset, TLV_TYPE_STR_GROUPID, groupId);
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if(!keys.empty())
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{
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std::map<std::string, RsTlvSecurityKey>::iterator it;
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for(it = keys.begin(); it != keys.end() ; ++it)
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ok &= (it->second).SetTlv(data, size, offset);
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}
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return ok;
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}
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bool RsTlvSecurityKeySet::GetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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if (size < *offset + TLV_HEADER_SIZE)
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return false;
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uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
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uint32_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend) /* check size */
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return false; /* not enough space */
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if (tlvtype != TLV_TYPE_SECURITYKEYSET) /* check type */
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return false;
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bool ok = true;
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/* ready to load */
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TlvClear();
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/* skip the header */
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(*offset) += TLV_HEADER_SIZE;
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/* groupId */
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ok &= GetTlvString(data, tlvend, offset, TLV_TYPE_STR_GROUPID, groupId);
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/* while there is TLV */
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while((*offset) + 2 < tlvend)
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{
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/* get the next type */
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uint16_t tlvsubtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
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switch(tlvsubtype)
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{
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case TLV_TYPE_SECURITYKEY:
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{
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RsTlvSecurityKey key;
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ok &= key.GetTlv(data, size, offset);
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if (ok)
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{
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keys[key.keyId] = key;
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key.ShallowClear(); /* so that the Map can get control - should be ref counted*/
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}
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}
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break;
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default:
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ok &= SkipUnknownTlv(data, tlvend, offset);
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break;
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}
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if (!ok)
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break;
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}
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/***************************************************************************
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* NB: extra components could be added (for future expansion of the type).
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* or be present (if this code is reading an extended version).
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*
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* We must chew up the extra characters to conform with TLV specifications
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***************************************************************************/
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if (*offset != tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvSecurityKeySet::GetTlv() Warning extra bytes at end of item";
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std::cerr << std::endl;
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#endif
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*offset = tlvend;
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}
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return ok;
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}
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// prints out contents of RsTlvSecurityKeySet
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std::ostream &RsTlvSecurityKeySet::print(std::ostream &out, uint16_t indent)
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{
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printBase(out, "RsTlvSecurityKeySet", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "GroupId: " << groupId;
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out << std::endl;
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std::map<std::string, RsTlvSecurityKey>::iterator it;
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for(it = keys.begin(); it != keys.end() ; ++it)
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(it->second).print(out, int_Indent);
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printEnd(out, "RsTlvSecurityKeySet", indent);
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return out;
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}
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/************************************* RsTlvSecurityKey ************************************/
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RsTlvKeySignature::RsTlvKeySignature()
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:RsTlvItem(), signData(TLV_TYPE_SIGN_RSA_SHA1)
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{
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return;
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}
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void RsTlvKeySignature::TlvClear()
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{
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keyId.clear();
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signData.TlvClear();
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}
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/* clears signData - but doesn't delete */
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void RsTlvKeySignature::ShallowClear()
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{
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keyId.clear();
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signData.bin_data = 0;
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signData.bin_len = 0;
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}
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uint32_t RsTlvKeySignature::TlvSize()
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{
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uint32_t s = TLV_HEADER_SIZE; /* header + 4 for size */
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s += GetTlvStringSize(keyId);
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s += signData.TlvSize();
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return s;
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}
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bool RsTlvKeySignature::SetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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/* must check sizes */
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uint32_t tlvsize = TlvSize();
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvKeySignature::SetTlv() Fail, not enough space";
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std::cerr << std::endl;
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#endif
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return false; /* not enough space */
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}
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bool ok = true;
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/* start at data[offset] */
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/* add mandatory parts first */
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ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE_KEYSIGNATURE, tlvsize);
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ok &= SetTlvString(data, tlvend, offset, TLV_TYPE_STR_KEYID, keyId);
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ok &= signData.SetTlv(data, tlvend, offset);
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if (!ok)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvKeySignature::SetTlv() Failed somewhere";
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std::cerr << std::endl;
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#endif
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}
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return ok;
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}
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bool RsTlvKeySignature::GetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
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{
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if (size < *offset + TLV_HEADER_SIZE)
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return false;
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uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
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uint16_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
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uint32_t tlvend = *offset + tlvsize;
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if (size < tlvend) /* check size */
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvKeySignature::GetTlv() Not Enough Space";
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std::cerr << std::endl;
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#endif
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return false; /* not enough space */
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}
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if (tlvtype != TLV_TYPE_KEYSIGNATURE) /* check type */
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvKeySignature::GetTlv() Type Fail";
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std::cerr << std::endl;
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#endif
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return false;
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}
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bool ok = true;
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/* ready to load */
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TlvClear();
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/* skip the header */
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(*offset) += TLV_HEADER_SIZE;
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ok &= GetTlvString(data, tlvend, offset, TLV_TYPE_STR_KEYID, keyId);
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ok &= signData.GetTlv(data, tlvend, offset);
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/***************************************************************************
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* NB: extra components could be added (for future expansion of the type).
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* or be present (if this code is reading an extended version).
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*
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* We must chew up the extra characters to conform with TLV specifications
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***************************************************************************/
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if (*offset != tlvend)
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{
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#ifdef TLV_DEBUG
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std::cerr << "RsTlvKeySignature::GetTlv() Warning extra bytes at end of item";
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std::cerr << std::endl;
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#endif
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*offset = tlvend;
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}
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return ok;
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}
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std::ostream &RsTlvKeySignature::print(std::ostream &out, uint16_t indent)
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{
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printBase(out, "RsTlvKeySignature", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "KeyId:" << keyId;
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out << std::endl;
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signData.print(out, int_Indent);
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out << std::endl;
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printEnd(out, "RsTlvKeySignature", indent);
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return out;
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}
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