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Diffstat (limited to 'attic/DBM.cpp')
| -rw-r--r-- | attic/DBM.cpp | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/attic/DBM.cpp b/attic/DBM.cpp deleted file mode 100644 index 54f017e0..00000000 --- a/attic/DBM.cpp +++ /dev/null @@ -1,243 +0,0 @@ -/* - * ZeroTier One - Network Virtualization Everywhere - * Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/ - * - * 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/>. - * - * -- - * - * You can be released from the requirements of the license by purchasing - * a commercial license. Buying such a license is mandatory as soon as you - * develop commercial closed-source software that incorporates or links - * directly against ZeroTier software without disclosing the source code - * of your own application. - */ - -#include "DBM.hpp" - -#include "../version.h" - -#include "../node/Salsa20.hpp" -#include "../node/Poly1305.hpp" -#include "../node/SHA512.hpp" - -#include "../osdep/OSUtils.hpp" - -#define ZT_STORED_OBJECT_TYPE__CLUSTER_NODE_STATUS (ZT_STORED_OBJECT__MAX_TYPE_ID + 1) -#define ZT_STORED_OBJECT_TYPE__CLUSTER_DEFINITION (ZT_STORED_OBJECT__MAX_TYPE_ID + 2) - -namespace ZeroTier { - -// We generate the cluster ID from our address and version info since this is -// not at all designed to allow interoperation between versions (or endians) -// in the same cluster. -static inline uint64_t _mkClusterId(const Address &myAddress) -{ - uint64_t x = ZEROTIER_ONE_VERSION_MAJOR; - x <<= 8; - x += ZEROTIER_ONE_VERSION_MINOR; - x <<= 8; - x += ZEROTIER_ONE_VERSION_REVISION; - x <<= 40; - x ^= myAddress.toInt(); -#if __BYTE_ORDER == __BIG_ENDIAN - ++x; -#endif; - return x; -} - -void DBM::onUpdate(uint64_t from,const _MapKey &k,const _MapValue &v,uint64_t rev) -{ - char p[4096]; - char tmp[ZT_DBM_MAX_VALUE_SIZE]; - if (_persistentPath((ZT_StoredObjectType)k.type,k.key,p,sizeof(p))) { - // Reduce unnecessary disk writes - FILE *f = fopen(p,"r"); - if (f) { - long n = (long)fread(tmp,1,sizeof(tmp),f); - fclose(f); - if ((n == (long)v.len)&&(!memcmp(v.data,tmp,n))) - return; - } - - // Write to disk if file has changed or was not already present - f = fopen(p,"w"); - if (f) { - if (fwrite(data,len,1,f) != 1) - fprintf(stderr,"WARNING: error writing to %s (I/O error)" ZT_EOL_S,p); - fclose(f); - if (type == ZT_STORED_OBJECT_IDENTITY_SECRET) - OSUtils::lockDownFile(p,false); - } else { - fprintf(stderr,"WARNING: error writing to %s (cannot open)" ZT_EOL_S,p); - } - } -} - -void DBM::onDelete(uint64_t from,const _MapKey &k) -{ - char p[4096]; - if (_persistentPath((ZT_StoredObjectType)k.type,k.key,p,sizeof(p))) - OSUtils::rm(p); -} - -DBM::_vsdm_cryptor::_vsdm_cryptor(const Identity &secretIdentity) -{ - uint8_t s512[64]; - SHA512::hash(h512,secretIdentity.privateKeyPair().priv.data,ZT_C25519_PRIVATE_KEY_LEN); - memcpy(_key,s512,sizeof(_key)); -} - -void DBM::_vsdm_cryptor::encrypt(void *d,unsigned long l) -{ - if (l >= 24) { // sanity check - uint8_t key[32]; - uint8_t authKey[32]; - uint8_t auth[16]; - - uint8_t *const iv = reinterpret_cast<uint8_t *>(d) + (l - 16); - Utils::getSecureRandom(iv,16); - memcpy(key,_key,32); - for(unsigned long i=0;i<8;++i) - _key[i] ^= iv[i]; - - Salsa20 s20(key,iv + 8); - memset(authKey,0,32); - s20.crypt12(authKey,authKey,32); - s20.crypt12(d,d,l - 24); - - Poly1305::compute(auth,d,l - 24,authKey); - memcpy(reinterpret_cast<uint8_t *>(d) + (l - 24),auth,8); - } -} - -bool DBM::_vsdm_cryptor::decrypt(void *d,unsigned long l) -{ - if (l >= 24) { // sanity check - uint8_t key[32]; - uint8_t authKey[32]; - uint8_t auth[16]; - - uint8_t *const iv = reinterpret_cast<uint8_t *>(d) + (l - 16); - memcpy(key,_key,32); - for(unsigned long i=0;i<8;++i) - _key[i] ^= iv[i]; - - Salsa20 s20(key,iv + 8); - memset(authKey,0,32); - s20.crypt12(authKey,authKey,32); - - Poly1305::compute(auth,d,l - 24,authKey); - if (!Utils::secureEq(reinterpret_cast<uint8_t *>(d) + (l - 24),auth,8)) - return false; - - s20.crypt12(d,d,l - 24); - - return true; - } - return false; -} - -DBM::DBM(const Identity &secretIdentity,uint64_t clusterMemberId,const std::string &basePath,Node *node) : - _basePath(basePath), - _node(node), - _startTime(OSUtils::now()), - _m(_mkClusterId(secretIdentity.address()),clusterMemberId,false,_vsdm_cryptor(secretIdentity),_vsdm_watcher(this)) -{ -} - -DBM::~DBM() -{ -} - -void DBM::put(const ZT_StoredObjectType type,const uint64_t key,const void *data,unsigned int len) -{ - char p[4096]; - if (_m.put(_MapKey(key,(uint16_t)type),Value(OSUtils::now(),(uint16_t)len,data))) { - if (_persistentPath(type,key,p,sizeof(p))) { - FILE *f = fopen(p,"w"); - if (f) { - if (fwrite(data,len,1,f) != 1) - fprintf(stderr,"WARNING: error writing to %s (I/O error)" ZT_EOL_S,p); - fclose(f); - if (type == ZT_STORED_OBJECT_IDENTITY_SECRET) - OSUtils::lockDownFile(p,false); - } else { - fprintf(stderr,"WARNING: error writing to %s (cannot open)" ZT_EOL_S,p); - } - } - } -} - -bool DBM::get(const ZT_StoredObjectType type,const uint64_t key,Value &value) -{ - char p[4096]; - if (_m.get(_MapKey(key,(uint16_t)type),value)) - return true; - if (_persistentPath(type,key,p,sizeof(p))) { - FILE *f = fopen(p,"r"); - if (f) { - long n = (long)fread(value.data,1,sizeof(value.data),f); - value.len = (n > 0) ? (uint16_t)n : (uint16_t)0; - fclose(f); - value.ts = OSUtils::getLastModified(p); - _m.put(_MapKey(key,(uint16_t)type),value); - return true; - } - } - return false; -} - -void DBM::del(const ZT_StoredObjectType type,const uint64_t key) -{ - char p[4096]; - _m.del(_MapKey(key,(uint16_t)type)); - if (_persistentPath(type,key,p,sizeof(p))) - OSUtils::rm(p); -} - -void DBM::clean() -{ -} - -bool DBM::_persistentPath(const ZT_StoredObjectType type,const uint64_t key,char *p,unsigned int maxlen) -{ - switch(type) { - case ZT_STORED_OBJECT_IDENTITY_PUBLIC: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "identity.public",_basePath.c_str()); - return true; - case ZT_STORED_OBJECT_IDENTITY_SECRET: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "identity.secret",_basePath.c_str()); - return true; - case ZT_STORED_OBJECT_IDENTITY: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "iddb.d" ZT_PATH_SEPARATOR_S "%.10llx",_basePath.c_str(),key); - return true; - case ZT_STORED_OBJECT_NETWORK_CONFIG: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "networks.d" ZT_PATH_SEPARATOR_S "%.16llx.conf",_basePath.c_str(),key); - return true; - case ZT_STORED_OBJECT_PLANET: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "planet",_basePath.c_str()); - return true; - case ZT_STORED_OBJECT_MOON: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "moons.d" ZT_PATH_SEPARATOR_S "%.16llx.moon",_basePath.c_str(),key); - return true; - case (ZT_StoredObjectType)ZT_STORED_OBJECT_TYPE__CLUSTER_DEFINITION: - Utils::snprintf(p,maxlen,"%s" ZT_PATH_SEPARATOR_S "cluster",_basePath.c_str()); - return true; - default: - return false; - } -} - -} // namespace ZeroTier |