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Fix deadlock in test mode.

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This commit is contained in:
Adam Ierymenko 2015-09-10 14:47:04 -07:00
parent 1f7a41cff8
commit bebe3d7cfa
2 changed files with 424 additions and 411 deletions
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828
controller/SqliteNetworkController.cpp
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@ -303,416 +303,8 @@ SqliteNetworkController::~SqliteNetworkController()
NetworkController::ResultCode SqliteNetworkController::doNetworkConfigRequest(const InetAddress &fromAddr,const Identity &signingId,const Identity &identity,uint64_t nwid,const Dictionary &metaData,Dictionary &netconf)
{
// Decode some stuff from metaData
const unsigned int clientMajorVersion = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MAJOR_VERSION,0);
const unsigned int clientMinorVersion = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MINOR_VERSION,0);
const unsigned int clientRevision = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_REVISION,0);
const bool clientIs104 = (Utils::compareVersion(clientMajorVersion,clientMinorVersion,clientRevision,1,0,4) >= 0);
Mutex::Lock _l(_lock);
// Note: we can't reuse prepared statements that return const char * pointers without
// making our own copy in e.g. a std::string first.
if ((!signingId)||(!signingId.hasPrivate())) {
netconf["error"] = "signing identity invalid or lacks private key";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
if (signingId.address().toInt() != (nwid >> 24)) {
netconf["error"] = "signing identity address does not match most significant 40 bits of network ID";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
// Check rate limit
{
uint64_t &lrt = _lastRequestTime[std::pair<Address,uint64_t>(identity.address(),nwid)];
uint64_t lrt2 = lrt;
if (((lrt = OSUtils::now()) - lrt2) <= ZT_NETCONF_MIN_REQUEST_PERIOD)
return NetworkController::NETCONF_QUERY_IGNORE;
}
NetworkRecord network;
memset(&network,0,sizeof(network));
Utils::snprintf(network.id,sizeof(network.id),"%.16llx",(unsigned long long)nwid);
MemberRecord member;
memset(&member,0,sizeof(member));
Utils::snprintf(member.nodeId,sizeof(member.nodeId),"%.10llx",(unsigned long long)identity.address().toInt());
// Create Node record or do full identity check if we already have one
sqlite3_reset(_sGetNodeIdentity);
sqlite3_bind_text(_sGetNodeIdentity,1,member.nodeId,10,SQLITE_STATIC);
if (sqlite3_step(_sGetNodeIdentity) == SQLITE_ROW) {
try {
Identity alreadyKnownIdentity((const char *)sqlite3_column_text(_sGetNodeIdentity,0));
if (alreadyKnownIdentity != identity)
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
} catch ( ... ) { // identity stored in database is not valid or is NULL
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
}
} else {
std::string idstr(identity.toString(false));
sqlite3_reset(_sCreateOrReplaceNode);
sqlite3_bind_text(_sCreateOrReplaceNode,1,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_text(_sCreateOrReplaceNode,2,idstr.c_str(),-1,SQLITE_STATIC);
if (sqlite3_step(_sCreateOrReplaceNode) != SQLITE_DONE) {
netconf["error"] = "unable to create new Node record";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
// Fetch Network record
sqlite3_reset(_sGetNetworkById);
sqlite3_bind_text(_sGetNetworkById,1,network.id,16,SQLITE_STATIC);
if (sqlite3_step(_sGetNetworkById) == SQLITE_ROW) {
network.name = (const char *)sqlite3_column_text(_sGetNetworkById,0);
network.isPrivate = (sqlite3_column_int(_sGetNetworkById,1) > 0);
network.enableBroadcast = (sqlite3_column_int(_sGetNetworkById,2) > 0);
network.allowPassiveBridging = (sqlite3_column_int(_sGetNetworkById,3) > 0);
network.v4AssignMode = (const char *)sqlite3_column_text(_sGetNetworkById,4);
network.v6AssignMode = (const char *)sqlite3_column_text(_sGetNetworkById,5);
network.multicastLimit = sqlite3_column_int(_sGetNetworkById,6);
network.creationTime = (uint64_t)sqlite3_column_int64(_sGetNetworkById,7);
network.revision = (uint64_t)sqlite3_column_int64(_sGetNetworkById,8);
network.memberRevisionCounter = (uint64_t)sqlite3_column_int64(_sGetNetworkById,9);
} else {
return NetworkController::NETCONF_QUERY_OBJECT_NOT_FOUND;
}
// Fetch Member record
bool foundMember = false;
sqlite3_reset(_sGetMember);
sqlite3_bind_text(_sGetMember,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sGetMember,2,member.nodeId,10,SQLITE_STATIC);
if (sqlite3_step(_sGetMember) == SQLITE_ROW) {
foundMember = true;
member.rowid = (int64_t)sqlite3_column_int64(_sGetMember,0);
member.authorized = (sqlite3_column_int(_sGetMember,1) > 0);
member.activeBridge = (sqlite3_column_int(_sGetMember,2) > 0);
}
// Create Member record for unknown nodes, auto-authorizing if network is public
if (!foundMember) {
member.authorized = (network.isPrivate ? false : true);
member.activeBridge = false;
sqlite3_reset(_sCreateMember);
sqlite3_bind_text(_sCreateMember,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sCreateMember,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sCreateMember,3,(member.authorized ? 1 : 0));
sqlite3_bind_text(_sCreateMember,4,network.id,16,SQLITE_STATIC);
if (sqlite3_step(_sCreateMember) != SQLITE_DONE) {
netconf["error"] = "unable to create new member record";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
member.rowid = (int64_t)sqlite3_last_insert_rowid(_db);
sqlite3_reset(_sIncrementMemberRevisionCounter);
sqlite3_bind_text(_sIncrementMemberRevisionCounter,1,network.id,16,SQLITE_STATIC);
sqlite3_step(_sIncrementMemberRevisionCounter);
}
// Add log entry
{
char ver[16];
std::string fa;
if (fromAddr) {
fa = fromAddr.toString();
if (fa.length() > 64)
fa = fa.substr(0,64);
}
sqlite3_reset(_sPutLog);
sqlite3_bind_text(_sPutLog,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sPutLog,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int64(_sPutLog,3,(long long)OSUtils::now());
sqlite3_bind_int(_sPutLog,4,member.authorized ? 1 : 0);
if ((clientMajorVersion > 0)||(clientMinorVersion > 0)||(clientRevision > 0)) {
Utils::snprintf(ver,sizeof(ver),"%u.%u.%u",clientMajorVersion,clientMinorVersion,clientRevision);
sqlite3_bind_text(_sPutLog,5,ver,-1,SQLITE_STATIC);
} else sqlite3_bind_null(_sPutLog,5);
if (fa.length() > 0)
sqlite3_bind_text(_sPutLog,6,fa.c_str(),-1,SQLITE_STATIC);
else sqlite3_bind_null(_sPutLog,6);
sqlite3_step(_sPutLog);
}
// Check member authorization
if (!member.authorized)
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
// Create and sign netconf
netconf.clear();
{
char tss[24],rs[24];
Utils::snprintf(tss,sizeof(tss),"%.16llx",(unsigned long long)OSUtils::now());
Utils::snprintf(rs,sizeof(rs),"%.16llx",(unsigned long long)network.revision);
netconf[ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP] = tss;
netconf[ZT_NETWORKCONFIG_DICT_KEY_REVISION] = rs;
netconf[ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID] = network.id;
netconf[ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO] = member.nodeId;
netconf[ZT_NETWORKCONFIG_DICT_KEY_PRIVATE] = network.isPrivate ? "1" : "0";
netconf[ZT_NETWORKCONFIG_DICT_KEY_NAME] = (network.name) ? network.name : "";
netconf[ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST] = network.enableBroadcast ? "1" : "0";
netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING] = network.allowPassiveBridging ? "1" : "0";
{ // TODO: right now only etherTypes are supported in rules
std::vector<int> allowedEtherTypes;
sqlite3_reset(_sGetEtherTypesFromRuleTable);
sqlite3_bind_text(_sGetEtherTypesFromRuleTable,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetEtherTypesFromRuleTable) == SQLITE_ROW) {
if (sqlite3_column_type(_sGetEtherTypesFromRuleTable,0) == SQLITE_NULL) {
allowedEtherTypes.clear();
allowedEtherTypes.push_back(0); // NULL 'allow' matches ANY
break;
} else {
int et = sqlite3_column_int(_sGetEtherTypesFromRuleTable,0);
if ((et >= 0)&&(et <= 0xffff))
allowedEtherTypes.push_back(et);
}
}
std::sort(allowedEtherTypes.begin(),allowedEtherTypes.end());
allowedEtherTypes.erase(std::unique(allowedEtherTypes.begin(),allowedEtherTypes.end()),allowedEtherTypes.end());
std::string allowedEtherTypesCsv;
for(std::vector<int>::const_iterator i(allowedEtherTypes.begin());i!=allowedEtherTypes.end();++i) {
if (allowedEtherTypesCsv.length())
allowedEtherTypesCsv.push_back(',');
char tmp[16];
Utils::snprintf(tmp,sizeof(tmp),"%.4x",(unsigned int)*i);
allowedEtherTypesCsv.append(tmp);
}
netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES] = allowedEtherTypesCsv;
}
if (network.multicastLimit > 0) {
char ml[16];
Utils::snprintf(ml,sizeof(ml),"%lx",(unsigned long)network.multicastLimit);
netconf[ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT] = ml;
}
{
std::string activeBridges;
sqlite3_reset(_sGetActiveBridges);
sqlite3_bind_text(_sGetActiveBridges,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetActiveBridges) == SQLITE_ROW) {
const char *ab = (const char *)sqlite3_column_text(_sGetActiveBridges,0);
if ((ab)&&(strlen(ab) == 10)) {
if (activeBridges.length())
activeBridges.push_back(',');
activeBridges.append(ab);
}
if (activeBridges.length() > 1024) // sanity check -- you can't have too many active bridges at the moment
break;
}
if (activeBridges.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES] = activeBridges;
}
{
std::string relays;
sqlite3_reset(_sGetRelays);
sqlite3_bind_text(_sGetRelays,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetRelays) == SQLITE_ROW) {
const char *n = (const char *)sqlite3_column_text(_sGetRelays,0);
const char *a = (const char *)sqlite3_column_text(_sGetRelays,1);
if ((n)&&(a)) {
Address node(n);
InetAddress addr(a);
if ((node)&&(addr)) {
if (relays.length())
relays.push_back(',');
relays.append(node.toString());
relays.push_back(';');
relays.append(addr.toString());
}
}
}
if (relays.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_RELAYS] = relays;
}
{
char tmp[128];
std::string gateways;
sqlite3_reset(_sGetGateways);
sqlite3_bind_text(_sGetGateways,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetGateways) == SQLITE_ROW) {
const unsigned char *ip = (const unsigned char *)sqlite3_column_blob(_sGetGateways,0);
switch(sqlite3_column_int(_sGetGateways,1)) { // ipVersion
case 4:
Utils::snprintf(tmp,sizeof(tmp),"%s%d.%d.%d.%d/%d",
(gateways.length() > 0) ? "," : "",
(int)ip[12],
(int)ip[13],
(int)ip[14],
(int)ip[15],
(int)sqlite3_column_int(_sGetGateways,2)); // metric
gateways.append(tmp);
break;
case 6:
Utils::snprintf(tmp,sizeof(tmp),"%s%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x/%d",
(gateways.length() > 0) ? "," : "",
(int)ip[0],
(int)ip[1],
(int)ip[2],
(int)ip[3],
(int)ip[4],
(int)ip[5],
(int)ip[6],
(int)ip[7],
(int)ip[8],
(int)ip[9],
(int)ip[10],
(int)ip[11],
(int)ip[12],
(int)ip[13],
(int)ip[14],
(int)ip[15],
(int)sqlite3_column_int(_sGetGateways,2)); // metric
gateways.append(tmp);
break;
}
}
if (gateways.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_GATEWAYS] = gateways;
}
if ((network.v4AssignMode)&&(!strcmp(network.v4AssignMode,"zt"))) {
std::string v4s;
// Get existing IPv4 IP assignments and network routes -- keep routes in a
// vector for use in auto-assign if we need them.
std::vector< std::pair<uint32_t,int> > routedNetworks;
bool haveStaticIpAssignment = false;
sqlite3_reset(_sGetIpAssignmentsForNode);
sqlite3_bind_text(_sGetIpAssignmentsForNode,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sGetIpAssignmentsForNode,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sGetIpAssignmentsForNode,3,4); // 4 == IPv4
while (sqlite3_step(_sGetIpAssignmentsForNode) == SQLITE_ROW) {
const unsigned char *ip = (const unsigned char *)sqlite3_column_blob(_sGetIpAssignmentsForNode,1);
if ((!ip)||(sqlite3_column_bytes(_sGetIpAssignmentsForNode,1) != 16))
continue;
int ipNetmaskBits = sqlite3_column_int(_sGetIpAssignmentsForNode,2);
if ((ipNetmaskBits <= 0)||(ipNetmaskBits > 32))
continue;
const IpAssignmentType ipt = (IpAssignmentType)sqlite3_column_int(_sGetIpAssignmentsForNode,0);
switch(ipt) {
case ZT_IP_ASSIGNMENT_TYPE_ADDRESS:
haveStaticIpAssignment = true;
break;
case ZT_IP_ASSIGNMENT_TYPE_NETWORK:
routedNetworks.push_back(std::pair<uint32_t,int>(Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ip + 12))),ipNetmaskBits));
break;
default:
continue;
}
// 1.0.4 or newer clients support network routes in addition to IPs.
// Older clients only support IP address / netmask entries.
if ((clientIs104)||(ipt == ZT_IP_ASSIGNMENT_TYPE_ADDRESS)) {
char tmp[32];
Utils::snprintf(tmp,sizeof(tmp),"%d.%d.%d.%d/%d",(int)ip[12],(int)ip[13],(int)ip[14],(int)ip[15],ipNetmaskBits);
if (v4s.length())
v4s.push_back(',');
v4s.append(tmp);
}
}
if (!haveStaticIpAssignment) {
// Attempt to auto-assign an IPv4 address from an available routed pool
sqlite3_reset(_sGetIpAssignmentPools);
sqlite3_bind_text(_sGetIpAssignmentPools,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_int(_sGetIpAssignmentPools,2,4); // 4 == IPv4
while (sqlite3_step(_sGetIpAssignmentPools) == SQLITE_ROW) {
const unsigned char *ipRangeStartB = reinterpret_cast<const unsigned char *>(sqlite3_column_blob(_sGetIpAssignmentPools,0));
const unsigned char *ipRangeEndB = reinterpret_cast<const unsigned char *>(sqlite3_column_blob(_sGetIpAssignmentPools,1));
if ((!ipRangeStartB)||(!ipRangeEndB)||(sqlite3_column_bytes(_sGetIpAssignmentPools,0) != 16)||(sqlite3_column_bytes(_sGetIpAssignmentPools,1) != 16))
continue;
uint32_t ipRangeStart = Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ipRangeStartB + 12)));
uint32_t ipRangeEnd = Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ipRangeEndB + 12)));
if (ipRangeEnd < ipRangeStart)
continue;
uint32_t ipRangeLen = ipRangeEnd - ipRangeStart;
// Start with the LSB of the member's address
uint32_t ipTrialCounter = (uint32_t)(identity.address().toInt() & 0xffffffff);
for(uint32_t k=ipRangeStart,l=0;(k<=ipRangeEnd)&&(l < 1000000);++k,++l) {
uint32_t ip = (ipRangeLen > 0) ? (ipRangeStart + (ipTrialCounter % ipRangeLen)) : ipRangeStart;
++ipTrialCounter;
for(std::vector< std::pair<uint32_t,int> >::const_iterator r(routedNetworks.begin());r!=routedNetworks.end();++r) {
if ((ip & (0xffffffff << (32 - r->second))) == r->first) {
// IP is included in a routed network, so check if it's allocated
uint32_t ipBlob[4];
ipBlob[0] = 0; ipBlob[1] = 0; ipBlob[2] = 0; ipBlob[3] = Utils::hton(ip);
sqlite3_reset(_sCheckIfIpIsAllocated);
sqlite3_bind_text(_sCheckIfIpIsAllocated,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_blob(_sCheckIfIpIsAllocated,2,(const void *)ipBlob,16,SQLITE_STATIC);
sqlite3_bind_int(_sCheckIfIpIsAllocated,3,4); // 4 == IPv4
sqlite3_bind_int(_sCheckIfIpIsAllocated,4,(int)ZT_IP_ASSIGNMENT_TYPE_ADDRESS);
if (sqlite3_step(_sCheckIfIpIsAllocated) != SQLITE_ROW) {
// No rows returned, so the IP is available
sqlite3_reset(_sAllocateIp);
sqlite3_bind_text(_sAllocateIp,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sAllocateIp,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sAllocateIp,3,(int)ZT_IP_ASSIGNMENT_TYPE_ADDRESS);
sqlite3_bind_blob(_sAllocateIp,4,(const void *)ipBlob,16,SQLITE_STATIC);
sqlite3_bind_int(_sAllocateIp,5,r->second); // IP netmask bits from matching route
sqlite3_bind_int(_sAllocateIp,6,4); // 4 == IPv4
if (sqlite3_step(_sAllocateIp) == SQLITE_DONE) {
char tmp[32];
Utils::snprintf(tmp,sizeof(tmp),"%d.%d.%d.%d/%d",(int)((ip >> 24) & 0xff),(int)((ip >> 16) & 0xff),(int)((ip >> 8) & 0xff),(int)(ip & 0xff),r->second);
if (v4s.length())
v4s.push_back(',');
v4s.append(tmp);
haveStaticIpAssignment = true; // break outer loop
}
}
break; // stop checking routed networks
}
}
if (haveStaticIpAssignment)
break;
}
}
}
if (v4s.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC] = v4s;
}
// TODO: IPv6 auto-assign once it's supported in UI
if (network.isPrivate) {
CertificateOfMembership com(OSUtils::now(),ZT_NETWORK_AUTOCONF_DELAY + (ZT_NETWORK_AUTOCONF_DELAY / 2),nwid,identity.address());
if (com.sign(signingId)) // basically can't fail unless our identity is invalid
netconf[ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP] = com.toString();
else {
netconf["error"] = "unable to sign COM";
return NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
if (!netconf.sign(signingId,OSUtils::now())) {
netconf["error"] = "unable to sign netconf dictionary";
return NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
return NetworkController::NETCONF_QUERY_OK;
return _doNetworkConfigRequest(fromAddr,signingId,identity,nwid,metaData,netconf);
}
unsigned int SqliteNetworkController::handleControlPlaneHttpGET(
@ -1359,7 +951,7 @@ unsigned int SqliteNetworkController::_doCPGet(
std::string &responseContentType)
{
// Assumes _lock is locked
char json[16384];
char json[65536];
if ((path.size() > 0)&&(path[0] == "network")) {
@ -1404,7 +996,7 @@ unsigned int SqliteNetworkController::_doCPGet(
if ((testOutputSigningId.hasPrivate())&&(memberIdStr)) {
Dictionary testNetconf;
NetworkController::ResultCode rc = this->doNetworkConfigRequest(
NetworkController::ResultCode rc = this->_doNetworkConfigRequest(
InetAddress(),
testOutputSigningId,
Identity(memberIdStr),
@ -1798,4 +1390,418 @@ unsigned int SqliteNetworkController::_doCPGet(
return 404;
}
NetworkController::ResultCode SqliteNetworkController::_doNetworkConfigRequest(const InetAddress &fromAddr,const Identity &signingId,const Identity &identity,uint64_t nwid,const Dictionary &metaData,Dictionary &netconf)
{
// Assumes _lock is locked
// Decode some stuff from metaData
const unsigned int clientMajorVersion = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MAJOR_VERSION,0);
const unsigned int clientMinorVersion = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MINOR_VERSION,0);
const unsigned int clientRevision = (unsigned int)metaData.getHexUInt(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_REVISION,0);
const bool clientIs104 = (Utils::compareVersion(clientMajorVersion,clientMinorVersion,clientRevision,1,0,4) >= 0);
// Note: we can't reuse prepared statements that return const char * pointers without
// making our own copy in e.g. a std::string first.
if ((!signingId)||(!signingId.hasPrivate())) {
netconf["error"] = "signing identity invalid or lacks private key";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
if (signingId.address().toInt() != (nwid >> 24)) {
netconf["error"] = "signing identity address does not match most significant 40 bits of network ID";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
// Check rate limit
{
uint64_t &lrt = _lastRequestTime[std::pair<Address,uint64_t>(identity.address(),nwid)];
uint64_t lrt2 = lrt;
if (((lrt = OSUtils::now()) - lrt2) <= ZT_NETCONF_MIN_REQUEST_PERIOD)
return NetworkController::NETCONF_QUERY_IGNORE;
}
NetworkRecord network;
memset(&network,0,sizeof(network));
Utils::snprintf(network.id,sizeof(network.id),"%.16llx",(unsigned long long)nwid);
MemberRecord member;
memset(&member,0,sizeof(member));
Utils::snprintf(member.nodeId,sizeof(member.nodeId),"%.10llx",(unsigned long long)identity.address().toInt());
// Create Node record or do full identity check if we already have one
sqlite3_reset(_sGetNodeIdentity);
sqlite3_bind_text(_sGetNodeIdentity,1,member.nodeId,10,SQLITE_STATIC);
if (sqlite3_step(_sGetNodeIdentity) == SQLITE_ROW) {
try {
Identity alreadyKnownIdentity((const char *)sqlite3_column_text(_sGetNodeIdentity,0));
if (alreadyKnownIdentity != identity)
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
} catch ( ... ) { // identity stored in database is not valid or is NULL
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
}
} else {
std::string idstr(identity.toString(false));
sqlite3_reset(_sCreateOrReplaceNode);
sqlite3_bind_text(_sCreateOrReplaceNode,1,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_text(_sCreateOrReplaceNode,2,idstr.c_str(),-1,SQLITE_STATIC);
if (sqlite3_step(_sCreateOrReplaceNode) != SQLITE_DONE) {
netconf["error"] = "unable to create new Node record";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
// Fetch Network record
sqlite3_reset(_sGetNetworkById);
sqlite3_bind_text(_sGetNetworkById,1,network.id,16,SQLITE_STATIC);
if (sqlite3_step(_sGetNetworkById) == SQLITE_ROW) {
network.name = (const char *)sqlite3_column_text(_sGetNetworkById,0);
network.isPrivate = (sqlite3_column_int(_sGetNetworkById,1) > 0);
network.enableBroadcast = (sqlite3_column_int(_sGetNetworkById,2) > 0);
network.allowPassiveBridging = (sqlite3_column_int(_sGetNetworkById,3) > 0);
network.v4AssignMode = (const char *)sqlite3_column_text(_sGetNetworkById,4);
network.v6AssignMode = (const char *)sqlite3_column_text(_sGetNetworkById,5);
network.multicastLimit = sqlite3_column_int(_sGetNetworkById,6);
network.creationTime = (uint64_t)sqlite3_column_int64(_sGetNetworkById,7);
network.revision = (uint64_t)sqlite3_column_int64(_sGetNetworkById,8);
network.memberRevisionCounter = (uint64_t)sqlite3_column_int64(_sGetNetworkById,9);
} else {
return NetworkController::NETCONF_QUERY_OBJECT_NOT_FOUND;
}
// Fetch Member record
bool foundMember = false;
sqlite3_reset(_sGetMember);
sqlite3_bind_text(_sGetMember,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sGetMember,2,member.nodeId,10,SQLITE_STATIC);
if (sqlite3_step(_sGetMember) == SQLITE_ROW) {
foundMember = true;
member.rowid = (int64_t)sqlite3_column_int64(_sGetMember,0);
member.authorized = (sqlite3_column_int(_sGetMember,1) > 0);
member.activeBridge = (sqlite3_column_int(_sGetMember,2) > 0);
}
// Create Member record for unknown nodes, auto-authorizing if network is public
if (!foundMember) {
member.authorized = (network.isPrivate ? false : true);
member.activeBridge = false;
sqlite3_reset(_sCreateMember);
sqlite3_bind_text(_sCreateMember,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sCreateMember,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sCreateMember,3,(member.authorized ? 1 : 0));
sqlite3_bind_text(_sCreateMember,4,network.id,16,SQLITE_STATIC);
if (sqlite3_step(_sCreateMember) != SQLITE_DONE) {
netconf["error"] = "unable to create new member record";
return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
member.rowid = (int64_t)sqlite3_last_insert_rowid(_db);
sqlite3_reset(_sIncrementMemberRevisionCounter);
sqlite3_bind_text(_sIncrementMemberRevisionCounter,1,network.id,16,SQLITE_STATIC);
sqlite3_step(_sIncrementMemberRevisionCounter);
}
// Add log entry
{
char ver[16];
std::string fa;
if (fromAddr) {
fa = fromAddr.toString();
if (fa.length() > 64)
fa = fa.substr(0,64);
}
sqlite3_reset(_sPutLog);
sqlite3_bind_text(_sPutLog,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sPutLog,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int64(_sPutLog,3,(long long)OSUtils::now());
sqlite3_bind_int(_sPutLog,4,member.authorized ? 1 : 0);
if ((clientMajorVersion > 0)||(clientMinorVersion > 0)||(clientRevision > 0)) {
Utils::snprintf(ver,sizeof(ver),"%u.%u.%u",clientMajorVersion,clientMinorVersion,clientRevision);
sqlite3_bind_text(_sPutLog,5,ver,-1,SQLITE_STATIC);
} else sqlite3_bind_null(_sPutLog,5);
if (fa.length() > 0)
sqlite3_bind_text(_sPutLog,6,fa.c_str(),-1,SQLITE_STATIC);
else sqlite3_bind_null(_sPutLog,6);
sqlite3_step(_sPutLog);
}
// Check member authorization
if (!member.authorized)
return NetworkController::NETCONF_QUERY_ACCESS_DENIED;
// Create and sign netconf
netconf.clear();
{
char tss[24],rs[24];
Utils::snprintf(tss,sizeof(tss),"%.16llx",(unsigned long long)OSUtils::now());
Utils::snprintf(rs,sizeof(rs),"%.16llx",(unsigned long long)network.revision);
netconf[ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP] = tss;
netconf[ZT_NETWORKCONFIG_DICT_KEY_REVISION] = rs;
netconf[ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID] = network.id;
netconf[ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO] = member.nodeId;
netconf[ZT_NETWORKCONFIG_DICT_KEY_PRIVATE] = network.isPrivate ? "1" : "0";
netconf[ZT_NETWORKCONFIG_DICT_KEY_NAME] = (network.name) ? network.name : "";
netconf[ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST] = network.enableBroadcast ? "1" : "0";
netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING] = network.allowPassiveBridging ? "1" : "0";
{ // TODO: right now only etherTypes are supported in rules
std::vector<int> allowedEtherTypes;
sqlite3_reset(_sGetEtherTypesFromRuleTable);
sqlite3_bind_text(_sGetEtherTypesFromRuleTable,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetEtherTypesFromRuleTable) == SQLITE_ROW) {
if (sqlite3_column_type(_sGetEtherTypesFromRuleTable,0) == SQLITE_NULL) {
allowedEtherTypes.clear();
allowedEtherTypes.push_back(0); // NULL 'allow' matches ANY
break;
} else {
int et = sqlite3_column_int(_sGetEtherTypesFromRuleTable,0);
if ((et >= 0)&&(et <= 0xffff))
allowedEtherTypes.push_back(et);
}
}
std::sort(allowedEtherTypes.begin(),allowedEtherTypes.end());
allowedEtherTypes.erase(std::unique(allowedEtherTypes.begin(),allowedEtherTypes.end()),allowedEtherTypes.end());
std::string allowedEtherTypesCsv;
for(std::vector<int>::const_iterator i(allowedEtherTypes.begin());i!=allowedEtherTypes.end();++i) {
if (allowedEtherTypesCsv.length())
allowedEtherTypesCsv.push_back(',');
char tmp[16];
Utils::snprintf(tmp,sizeof(tmp),"%.4x",(unsigned int)*i);
allowedEtherTypesCsv.append(tmp);
}
netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES] = allowedEtherTypesCsv;
}
if (network.multicastLimit > 0) {
char ml[16];
Utils::snprintf(ml,sizeof(ml),"%lx",(unsigned long)network.multicastLimit);
netconf[ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT] = ml;
}
{
std::string activeBridges;
sqlite3_reset(_sGetActiveBridges);
sqlite3_bind_text(_sGetActiveBridges,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetActiveBridges) == SQLITE_ROW) {
const char *ab = (const char *)sqlite3_column_text(_sGetActiveBridges,0);
if ((ab)&&(strlen(ab) == 10)) {
if (activeBridges.length())
activeBridges.push_back(',');
activeBridges.append(ab);
}
if (activeBridges.length() > 1024) // sanity check -- you can't have too many active bridges at the moment
break;
}
if (activeBridges.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES] = activeBridges;
}
{
std::string relays;
sqlite3_reset(_sGetRelays);
sqlite3_bind_text(_sGetRelays,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetRelays) == SQLITE_ROW) {
const char *n = (const char *)sqlite3_column_text(_sGetRelays,0);
const char *a = (const char *)sqlite3_column_text(_sGetRelays,1);
if ((n)&&(a)) {
Address node(n);
InetAddress addr(a);
if ((node)&&(addr)) {
if (relays.length())
relays.push_back(',');
relays.append(node.toString());
relays.push_back(';');
relays.append(addr.toString());
}
}
}
if (relays.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_RELAYS] = relays;
}
{
char tmp[128];
std::string gateways;
sqlite3_reset(_sGetGateways);
sqlite3_bind_text(_sGetGateways,1,network.id,16,SQLITE_STATIC);
while (sqlite3_step(_sGetGateways) == SQLITE_ROW) {
const unsigned char *ip = (const unsigned char *)sqlite3_column_blob(_sGetGateways,0);
switch(sqlite3_column_int(_sGetGateways,1)) { // ipVersion
case 4:
Utils::snprintf(tmp,sizeof(tmp),"%s%d.%d.%d.%d/%d",
(gateways.length() > 0) ? "," : "",
(int)ip[12],
(int)ip[13],
(int)ip[14],
(int)ip[15],
(int)sqlite3_column_int(_sGetGateways,2)); // metric
gateways.append(tmp);
break;
case 6:
Utils::snprintf(tmp,sizeof(tmp),"%s%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x/%d",
(gateways.length() > 0) ? "," : "",
(int)ip[0],
(int)ip[1],
(int)ip[2],
(int)ip[3],
(int)ip[4],
(int)ip[5],
(int)ip[6],
(int)ip[7],
(int)ip[8],
(int)ip[9],
(int)ip[10],
(int)ip[11],
(int)ip[12],
(int)ip[13],
(int)ip[14],
(int)ip[15],
(int)sqlite3_column_int(_sGetGateways,2)); // metric
gateways.append(tmp);
break;
}
}
if (gateways.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_GATEWAYS] = gateways;
}
if ((network.v4AssignMode)&&(!strcmp(network.v4AssignMode,"zt"))) {
std::string v4s;
// Get existing IPv4 IP assignments and network routes -- keep routes in a
// vector for use in auto-assign if we need them.
std::vector< std::pair<uint32_t,int> > routedNetworks;
bool haveStaticIpAssignment = false;
sqlite3_reset(_sGetIpAssignmentsForNode);
sqlite3_bind_text(_sGetIpAssignmentsForNode,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sGetIpAssignmentsForNode,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sGetIpAssignmentsForNode,3,4); // 4 == IPv4
while (sqlite3_step(_sGetIpAssignmentsForNode) == SQLITE_ROW) {
const unsigned char *ip = (const unsigned char *)sqlite3_column_blob(_sGetIpAssignmentsForNode,1);
if ((!ip)||(sqlite3_column_bytes(_sGetIpAssignmentsForNode,1) != 16))
continue;
int ipNetmaskBits = sqlite3_column_int(_sGetIpAssignmentsForNode,2);
if ((ipNetmaskBits <= 0)||(ipNetmaskBits > 32))
continue;
const IpAssignmentType ipt = (IpAssignmentType)sqlite3_column_int(_sGetIpAssignmentsForNode,0);
switch(ipt) {
case ZT_IP_ASSIGNMENT_TYPE_ADDRESS:
haveStaticIpAssignment = true;
break;
case ZT_IP_ASSIGNMENT_TYPE_NETWORK:
routedNetworks.push_back(std::pair<uint32_t,int>(Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ip + 12))),ipNetmaskBits));
break;
default:
continue;
}
// 1.0.4 or newer clients support network routes in addition to IPs.
// Older clients only support IP address / netmask entries.
if ((clientIs104)||(ipt == ZT_IP_ASSIGNMENT_TYPE_ADDRESS)) {
char tmp[32];
Utils::snprintf(tmp,sizeof(tmp),"%d.%d.%d.%d/%d",(int)ip[12],(int)ip[13],(int)ip[14],(int)ip[15],ipNetmaskBits);
if (v4s.length())
v4s.push_back(',');
v4s.append(tmp);
}
}
if (!haveStaticIpAssignment) {
// Attempt to auto-assign an IPv4 address from an available routed pool
sqlite3_reset(_sGetIpAssignmentPools);
sqlite3_bind_text(_sGetIpAssignmentPools,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_int(_sGetIpAssignmentPools,2,4); // 4 == IPv4
while (sqlite3_step(_sGetIpAssignmentPools) == SQLITE_ROW) {
const unsigned char *ipRangeStartB = reinterpret_cast<const unsigned char *>(sqlite3_column_blob(_sGetIpAssignmentPools,0));
const unsigned char *ipRangeEndB = reinterpret_cast<const unsigned char *>(sqlite3_column_blob(_sGetIpAssignmentPools,1));
if ((!ipRangeStartB)||(!ipRangeEndB)||(sqlite3_column_bytes(_sGetIpAssignmentPools,0) != 16)||(sqlite3_column_bytes(_sGetIpAssignmentPools,1) != 16))
continue;
uint32_t ipRangeStart = Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ipRangeStartB + 12)));
uint32_t ipRangeEnd = Utils::ntoh(*(reinterpret_cast<const uint32_t *>(ipRangeEndB + 12)));
if (ipRangeEnd < ipRangeStart)
continue;
uint32_t ipRangeLen = ipRangeEnd - ipRangeStart;
// Start with the LSB of the member's address
uint32_t ipTrialCounter = (uint32_t)(identity.address().toInt() & 0xffffffff);
for(uint32_t k=ipRangeStart,l=0;(k<=ipRangeEnd)&&(l < 1000000);++k,++l) {
uint32_t ip = (ipRangeLen > 0) ? (ipRangeStart + (ipTrialCounter % ipRangeLen)) : ipRangeStart;
++ipTrialCounter;
for(std::vector< std::pair<uint32_t,int> >::const_iterator r(routedNetworks.begin());r!=routedNetworks.end();++r) {
if ((ip & (0xffffffff << (32 - r->second))) == r->first) {
// IP is included in a routed network, so check if it's allocated
uint32_t ipBlob[4];
ipBlob[0] = 0; ipBlob[1] = 0; ipBlob[2] = 0; ipBlob[3] = Utils::hton(ip);
sqlite3_reset(_sCheckIfIpIsAllocated);
sqlite3_bind_text(_sCheckIfIpIsAllocated,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_blob(_sCheckIfIpIsAllocated,2,(const void *)ipBlob,16,SQLITE_STATIC);
sqlite3_bind_int(_sCheckIfIpIsAllocated,3,4); // 4 == IPv4
sqlite3_bind_int(_sCheckIfIpIsAllocated,4,(int)ZT_IP_ASSIGNMENT_TYPE_ADDRESS);
if (sqlite3_step(_sCheckIfIpIsAllocated) != SQLITE_ROW) {
// No rows returned, so the IP is available
sqlite3_reset(_sAllocateIp);
sqlite3_bind_text(_sAllocateIp,1,network.id,16,SQLITE_STATIC);
sqlite3_bind_text(_sAllocateIp,2,member.nodeId,10,SQLITE_STATIC);
sqlite3_bind_int(_sAllocateIp,3,(int)ZT_IP_ASSIGNMENT_TYPE_ADDRESS);
sqlite3_bind_blob(_sAllocateIp,4,(const void *)ipBlob,16,SQLITE_STATIC);
sqlite3_bind_int(_sAllocateIp,5,r->second); // IP netmask bits from matching route
sqlite3_bind_int(_sAllocateIp,6,4); // 4 == IPv4
if (sqlite3_step(_sAllocateIp) == SQLITE_DONE) {
char tmp[32];
Utils::snprintf(tmp,sizeof(tmp),"%d.%d.%d.%d/%d",(int)((ip >> 24) & 0xff),(int)((ip >> 16) & 0xff),(int)((ip >> 8) & 0xff),(int)(ip & 0xff),r->second);
if (v4s.length())
v4s.push_back(',');
v4s.append(tmp);
haveStaticIpAssignment = true; // break outer loop
}
}
break; // stop checking routed networks
}
}
if (haveStaticIpAssignment)
break;
}
}
}
if (v4s.length())
netconf[ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC] = v4s;
}
// TODO: IPv6 auto-assign once it's supported in UI
if (network.isPrivate) {
CertificateOfMembership com(OSUtils::now(),ZT_NETWORK_AUTOCONF_DELAY + (ZT_NETWORK_AUTOCONF_DELAY / 2),nwid,identity.address());
if (com.sign(signingId)) // basically can't fail unless our identity is invalid
netconf[ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP] = com.toString();
else {
netconf["error"] = "unable to sign COM";
return NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
if (!netconf.sign(signingId,OSUtils::now())) {
netconf["error"] = "unable to sign netconf dictionary";
return NETCONF_QUERY_INTERNAL_SERVER_ERROR;
}
}
return NetworkController::NETCONF_QUERY_OK;
}
} // namespace ZeroTier

7
controller/SqliteNetworkController.hpp
View File

@ -93,6 +93,13 @@ private:
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
NetworkController::ResultCode _doNetworkConfigRequest(
const InetAddress &fromAddr,
const Identity &signingId,
const Identity &identity,
uint64_t nwid,
const Dictionary &metaData,
Dictionary &netconf);
std::string _dbPath;
std::string _instanceId;