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service.go
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service.go
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package main
// #include "../defs.h"
import "C"
import (
"bytes"
"encoding/binary"
"fmt"
"io/ioutil"
"net"
"os"
"runtime"
"strconv"
"syscall"
"time"
"unsafe"
"github.com/codeskyblue/go-sh"
log "github.com/sirupsen/logrus"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"github.com/neuvector/neuvector/agent/dp"
"github.com/neuvector/neuvector/agent/pipe"
"github.com/neuvector/neuvector/share"
"github.com/neuvector/neuvector/share/system"
"github.com/neuvector/neuvector/share/utils"
)
const sessionListLimitMax int = 1024
const meterListLimitMax int = 3072
const packetSize int = 2 * 1024 * 1024
type paginationState uint8
const (
pageUnder paginationState = iota
pageMiddle
pageAbove
)
type sessionCountParam struct {
count *share.CLUSSessionCounter
}
type sessionListParam struct {
filter share.CLUSFilter
list []*share.CLUSSession
state paginationState
stream share.EnforcerService_GetSessionListServer
}
type meterListParam struct {
filter share.CLUSFilter
list []*share.CLUSMeter
state paginationState
stream share.EnforcerService_GetMeterListServer
}
type datapathCountParam struct {
count *share.CLUSDatapathCounter
}
type RPCService struct {
}
func (rs *RPCService) Kick(ctx context.Context, k *share.CLUSKick) (*share.RPCVoid, error) {
go func() {
log.WithFields(log.Fields{"reason": k.Reason}).Info("Kicked")
restartChan <- nil
}()
return &share.RPCVoid{}, nil
}
func (rs *RPCService) sendSessionList(pm *sessionListParam) {
log.WithFields(log.Fields{"count": len(pm.list)}).Debug("")
pm.stream.Send(&share.CLUSSessionArray{Sessions: pm.list})
pm.list = make([]*share.CLUSSession, 0)
}
func (rs *RPCService) paginateSessionList(pm *sessionListParam) {
switch pm.state {
case pageUnder, pageMiddle:
listLen := uint32(len(pm.list))
if pm.filter.Start > listLen {
if len(pm.list) > 0 {
pm.filter.Start -= listLen
pm.list = make([]*share.CLUSSession, 0)
}
} else if pm.filter.Limit == 0 {
pm.list = pm.list[pm.filter.Start:]
pm.filter.Start = 0
pm.state = pageMiddle
} else if pm.filter.Start+pm.filter.Limit > listLen {
pm.list = pm.list[pm.filter.Start:listLen]
pm.filter.Start = 0
pm.state = pageMiddle
} else {
pm.list = pm.list[pm.filter.Start : pm.filter.Start+pm.filter.Limit]
pm.filter.Limit = 0
pm.filter.Start = 0
pm.state = pageAbove
}
case pageAbove:
if len(pm.list) > 0 {
pm.list = make([]*share.CLUSSession, 0)
}
}
}
func (rs *RPCService) parseSessionListHeader(msg []byte) *C.DPMsgSessionHdr {
var sessHdr C.DPMsgSessionHdr
// Verify session header length
sessHdrLen := int(unsafe.Sizeof(sessHdr))
if len(msg) < sessHdrLen {
log.WithFields(log.Fields{
"expect": sessHdrLen, "actual": len(msg),
}).Error("Short session header")
return nil
}
r := bytes.NewReader(msg)
binary.Read(r, binary.BigEndian, &sessHdr)
// Verify total length
var sess C.DPMsgSession
sessions := int(sessHdr.Sessions)
totalLen := sessHdrLen + int(unsafe.Sizeof(sess))*sessions
if len(msg) != totalLen {
log.WithFields(log.Fields{
"sessions": sessions, "expect": totalLen, "actual": len(msg),
}).Error("Wrong message length.")
return nil
}
return &sessHdr
}
func (rs *RPCService) convertOneSession(sess *C.DPMsgSession, workload string) *share.CLUSSession {
s := share.CLUSSession{
ID: uint32(sess.ID),
EtherType: uint32(sess.EtherType),
IPProto: uint32(sess.IPProto),
Application: uint32(sess.Application),
ClientPort: uint32(sess.ClientPort),
ServerPort: uint32(sess.ServerPort),
ClientState: uint32(sess.ClientState),
ServerState: uint32(sess.ServerState),
ICMPCode: uint32(sess.ICMPCode),
ICMPType: uint32(sess.ICMPType),
ClientPkts: uint32(sess.ClientPkts),
ServerPkts: uint32(sess.ServerPkts),
ClientBytes: uint64(sess.ClientBytes),
ServerBytes: uint64(sess.ServerBytes),
ClientAsmPkts: uint32(sess.ClientAsmPkts),
ServerAsmPkts: uint32(sess.ServerAsmPkts),
ClientAsmBytes: uint64(sess.ClientAsmBytes),
ServerAsmBytes: uint64(sess.ServerAsmBytes),
Age: uint32(sess.Age),
Idle: uint32(sess.Idle),
Life: uint32(sess.Life),
PolicyAction: uint32(sess.PolicyAction),
PolicyId: uint32(sess.PolicyId),
Workload: workload,
XffApp: uint32(sess.XffApp),
XffPort: uint32(sess.XffPort),
}
s.XffIP = net.IP(C.GoBytes(unsafe.Pointer(&sess.XffIP[0]), 4))
s.ClientMAC = net.HardwareAddr(C.GoBytes(unsafe.Pointer(&sess.ClientMAC[0]), 6))
s.ServerMAC = net.HardwareAddr(C.GoBytes(unsafe.Pointer(&sess.ServerMAC[0]), 6))
switch s.EtherType {
case syscall.ETH_P_IP:
s.ClientIP = net.IP(C.GoBytes(unsafe.Pointer(&sess.ClientIP[0]), 4))
s.ServerIP = net.IP(C.GoBytes(unsafe.Pointer(&sess.ServerIP[0]), 4))
case syscall.ETH_P_IPV6:
s.ClientIP = net.IP(C.GoBytes(unsafe.Pointer(&sess.ClientIP[0]), 16))
s.ServerIP = net.IP(C.GoBytes(unsafe.Pointer(&sess.ServerIP[0]), 16))
}
if (sess.Flags & C.DPSESS_FLAG_INGRESS) != 0 {
s.Ingress = true
}
if (sess.Flags & C.DPSESS_FLAG_TAP) != 0 {
s.Tap = true
}
if (sess.Flags & C.DPSESS_FLAG_MID) != 0 {
s.Mid = true
}
return &s
}
func (rs *RPCService) cbSessionList(buf []byte, param interface{}) bool {
log.Debug("")
pm, _ := param.(*sessionListParam)
if buf == nil {
log.Error("Empty buffer")
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_SESSION_LIST {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
log.WithFields(log.Fields{"kind": hdr.Kind, "len": hdr.Length, "more": hdr.More}).Debug("")
if pm.state == pageAbove {
return hdr.More == 0
}
// Check session header
offset := int(unsafe.Sizeof(*hdr))
sessHdr := rs.parseSessionListHeader(buf[offset:])
if sessHdr == nil {
return true
}
sessions := int(sessHdr.Sessions)
offset += int(unsafe.Sizeof(*sessHdr))
r := bytes.NewReader(buf[offset:])
// Going through session list
var sess C.DPMsgSession
for i := 0; i < sessions; i++ {
binary.Read(r, binary.BigEndian, &sess)
var workload string
mac := net.HardwareAddr(C.GoBytes(unsafe.Pointer(&sess.EPMAC[0]), 6))
gInfoRLock()
if id, ok := gInfo.macContainerMap[mac.String()]; ok {
workload = id
}
gInfoRUnlock()
// Apply filters
if pm.filter.Workload != "" && pm.filter.Workload != workload {
continue
}
// Host-mode container sessions all have ID 0. They cannot filtered by ID.
if pm.filter.ID != 0 && pm.filter.ID != uint32(sess.ID) {
continue
}
pm.list = append(pm.list, rs.convertOneSession(&sess, workload))
}
rs.paginateSessionList(pm)
if len(pm.list) > sessionListLimitMax {
rs.sendSessionList(pm)
}
return hdr.More == 0
}
func (rs *RPCService) GetSessionList(f *share.CLUSFilter, stream share.EnforcerService_GetSessionListServer) error {
log.WithFields(log.Fields{"filter": f}).Debug("")
var list []*share.CLUSSession
// If workload is specified, check if it's host-mode container, to return the result faster.
if f.Workload != "" {
var pods utils.Set
gInfoRLock()
if c, ok := gInfo.activeContainers[f.Workload]; ok {
_, parent := getSharedContainer(c.info)
if isContainerNetHostMode(c.info, parent) {
// Return child's session if querying the children;
// return sessions of all children if querying the parent.
pods = c.pods.Clone()
pods.Add(c.info.ID)
}
}
gInfoRUnlock()
if pods != nil {
// host mode
list = prober.GetHostModeSessions(pods)
stream.Send(&share.CLUSSessionArray{Sessions: list})
return nil
}
list = make([]*share.CLUSSession, 0)
} else {
// Add host mode container sessions if not filtere dy workload.
// TODO: a bit of hack here. We assume host-mode container won't be filtered later.
list = prober.GetHostModeSessions(nil)
}
param := sessionListParam{stream: stream, filter: *f, list: list, state: pageUnder}
rs.paginateSessionList(¶m)
if param.state == pageAbove {
rs.sendSessionList(¶m)
return nil
}
dp.DPCtrlListSession(rs.cbSessionList, ¶m)
rs.sendSessionList(¶m)
return nil
}
func (rs *RPCService) ClearSession(ctx context.Context, f *share.CLUSFilter) (*share.RPCVoid, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
dp.DPCtrlClearSession(f.ID)
return &share.RPCVoid{}, nil
}
func (rs *RPCService) sendMeterList(pm *meterListParam) {
log.WithFields(log.Fields{"count": len(pm.list)}).Debug("")
pm.stream.Send(&share.CLUSMeterArray{Meters: pm.list})
pm.list = make([]*share.CLUSMeter, 0)
}
func (rs *RPCService) paginateMeterList(pm *meterListParam) {
switch pm.state {
case pageUnder, pageMiddle:
listLen := uint32(len(pm.list))
if pm.filter.Start > listLen {
if len(pm.list) > 0 {
pm.filter.Start -= listLen
pm.list = make([]*share.CLUSMeter, 0)
}
} else if pm.filter.Limit == 0 {
pm.list = pm.list[pm.filter.Start:]
pm.filter.Start = 0
pm.state = pageMiddle
} else if pm.filter.Start+pm.filter.Limit > listLen {
pm.list = pm.list[pm.filter.Start:listLen]
pm.filter.Start = 0
pm.state = pageMiddle
} else {
pm.list = pm.list[pm.filter.Start : pm.filter.Start+pm.filter.Limit]
pm.filter.Limit = 0
pm.filter.Start = 0
pm.state = pageAbove
}
case pageAbove:
if len(pm.list) > 0 {
pm.list = make([]*share.CLUSMeter, 0)
}
}
}
func (rs *RPCService) parseMeterListHeader(msg []byte) *C.DPMsgMeterHdr {
var meterHdr C.DPMsgMeterHdr
// Verify meter header length
meterHdrLen := int(unsafe.Sizeof(meterHdr))
if len(msg) < meterHdrLen {
log.WithFields(log.Fields{
"expect": meterHdrLen, "actual": len(msg),
}).Error("Short meter header")
return nil
}
r := bytes.NewReader(msg)
binary.Read(r, binary.BigEndian, &meterHdr)
// Verify total length
var meter C.DPMsgMeter
meters := int(meterHdr.Meters)
totalLen := meterHdrLen + int(unsafe.Sizeof(meter))*meters
if len(msg) != totalLen {
log.WithFields(log.Fields{
"meters": meters, "expect": totalLen, "actual": len(msg),
}).Error("Wrong message length.")
return nil
}
return &meterHdr
}
func (rs *RPCService) convertOneMeter(meter *C.DPMsgMeter, workload string) *share.CLUSMeter {
m := share.CLUSMeter{
Count: uint32(meter.Count),
LastCount: uint32(meter.LastCount),
Idle: uint32(meter.Idle),
MeterID: uint32(meter.MeterID),
Span: uint32(meter.Span),
UpperLimit: uint32(meter.UpperLimit),
LowerLimit: uint32(meter.LowerLimit),
Workload: workload,
}
if (meter.Flags & C.DPMETER_FLAG_IPV4) != 0 {
m.PeerIP = net.IP(C.GoBytes(unsafe.Pointer(&meter.PeerIP[0]), 4))
} else {
m.PeerIP = net.IP(C.GoBytes(unsafe.Pointer(&meter.PeerIP[0]), 16))
}
if (meter.Flags & C.DPMETER_FLAG_TAP) != 0 {
m.Tap = true
}
return &m
}
func (rs *RPCService) cbMeterList(buf []byte, param interface{}) bool {
log.Debug("")
pm, _ := param.(*meterListParam)
if buf == nil {
log.Error("Empty buffer")
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_METER_LIST {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
log.WithFields(log.Fields{"kind": hdr.Kind, "len": hdr.Length, "more": hdr.More}).Debug("")
if pm.state == pageAbove {
return hdr.More == 0
}
// Check meter header
offset := int(unsafe.Sizeof(*hdr))
meterHdr := rs.parseMeterListHeader(buf[offset:])
if meterHdr == nil {
return true
}
meters := int(meterHdr.Meters)
offset += int(unsafe.Sizeof(*meterHdr))
r := bytes.NewReader(buf[offset:])
// Going through meter list
var meter C.DPMsgMeter
for i := 0; i < meters; i++ {
binary.Read(r, binary.BigEndian, &meter)
var workload string
mac := net.HardwareAddr(C.GoBytes(unsafe.Pointer(&meter.EPMAC[0]), 6))
gInfoRLock()
if id, ok := gInfo.macContainerMap[mac.String()]; ok {
workload = id
}
gInfoRUnlock()
// Apply filters
if pm.filter.Workload != "" && pm.filter.Workload != workload {
continue
}
pm.list = append(pm.list, rs.convertOneMeter(&meter, workload))
}
rs.paginateMeterList(pm)
if len(pm.list) > meterListLimitMax {
rs.sendMeterList(pm)
}
return hdr.More == 0
}
func (rs *RPCService) GetMeterList(f *share.CLUSFilter, stream share.EnforcerService_GetMeterListServer) error {
log.WithFields(log.Fields{"filter": f}).Debug("")
var list []*share.CLUSMeter
param := meterListParam{stream: stream, filter: *f, list: list, state: pageUnder}
rs.paginateMeterList(¶m)
if param.state == pageAbove {
rs.sendMeterList(¶m)
return nil
}
dp.DPCtrlListMeter(rs.cbMeterList, ¶m)
rs.sendMeterList(¶m)
return nil
}
// -- GetStats
func populateTrafficStats(data *share.CLUSStats, stats *C.DPMsgStats) {
data.Total.SessionIn = uint32(stats.SessionIn)
data.Total.SessionOut = uint32(stats.SessionOut)
data.Total.SessionCurIn = uint32(stats.SessionCurIn)
data.Total.SessionCurOut = uint32(stats.SessionCurOut)
data.Total.PacketIn = uint64(stats.PacketIn)
data.Total.PacketOut = uint64(stats.PacketOut)
data.Total.ByteIn = uint64(stats.ByteIn)
data.Total.ByteOut = uint64(stats.ByteOut)
data.Span1.SessionIn = uint32(stats.SessionIn1)
data.Span1.SessionOut = uint32(stats.SessionOut1)
data.Span1.PacketIn = uint64(stats.PacketIn1)
data.Span1.PacketOut = uint64(stats.PacketOut1)
data.Span1.ByteIn = uint64(stats.ByteIn1)
data.Span1.ByteOut = uint64(stats.ByteOut1)
data.Span12.SessionIn = uint32(stats.SessionIn12)
data.Span12.SessionOut = uint32(stats.SessionOut12)
data.Span12.PacketIn = uint64(stats.PacketIn12)
data.Span12.PacketOut = uint64(stats.PacketOut12)
data.Span12.ByteIn = uint64(stats.ByteIn12)
data.Span12.ByteOut = uint64(stats.ByteOut12)
data.Span60.SessionIn = uint32(stats.SessionIn60)
data.Span60.SessionOut = uint32(stats.SessionOut60)
data.Span60.PacketIn = uint64(stats.PacketIn60)
data.Span60.PacketOut = uint64(stats.PacketOut60)
data.Span60.ByteIn = uint64(stats.ByteIn60)
data.Span60.ByteOut = uint64(stats.ByteOut60)
}
func cbContainerStats(buf []byte, param interface{}) bool {
data, _ := param.(*share.CLUSStats)
if buf == nil {
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_MAC_STATS {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
data.ReadAt = time.Now().UTC().Unix()
data.Interval = statsInterval
offset := int(unsafe.Sizeof(*hdr))
r := bytes.NewReader(buf[offset:])
var stats C.DPMsgStats
binary.Read(r, binary.BigEndian, &stats)
populateTrafficStats(data, &stats)
return true
}
func cbAgentStats(buf []byte, param interface{}) bool {
log.Debug("")
data, _ := param.(*share.CLUSStats)
if buf == nil {
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_DEVICE_STATS {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
data.ReadAt = time.Now().UTC().Unix()
data.Interval = statsInterval
offset := int(unsafe.Sizeof(*hdr))
r := bytes.NewReader(buf[offset:])
var stats C.DPMsgStats
binary.Read(r, binary.BigEndian, &stats)
populateTrafficStats(data, &stats)
return true
}
func (rs *RPCService) GetStats(ctx context.Context, f *share.CLUSFilter) (*share.CLUSStats, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
stats := share.CLUSStats{
Total: &share.CLUSMetry{},
Span1: &share.CLUSMetry{},
Span12: &share.CLUSMetry{},
Span60: &share.CLUSMetry{},
}
if f.Workload != "" {
gInfoRLock()
if c, ok := gInfo.activeContainers[f.Workload]; ok {
var macs []*net.HardwareAddr
for _, pair := range c.intcpPairs {
macs = append(macs, &pair.MAC)
}
gInfoRUnlock()
dp.DPCtrlStatsMAC(macs, cbContainerStats, &stats)
gInfoRLock()
system.PopulateSystemStats(&stats, &c.stats)
gInfoRUnlock()
} else {
gInfoRUnlock()
}
} else {
dp.DPCtrlStatsAgent(cbAgentStats, &stats)
if agentEnv.runInContainer {
gInfoRLock()
system.PopulateSystemStats(&stats, &gInfo.agentStats)
gInfoRUnlock()
}
}
return &stats, nil
}
// --
func (rs *RPCService) cbSessionCount(buf []byte, param interface{}) bool {
log.Debug("")
pm, _ := param.(*sessionCountParam)
if buf == nil {
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_SESSION_COUNT {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
offset := int(unsafe.Sizeof(*hdr))
r := bytes.NewReader(buf[offset:])
var count C.DPMsgSessionCount
binary.Read(r, binary.BigEndian, &count)
pm.count = &share.CLUSSessionCounter{
CurSessions: uint32(count.CurSess),
CurTCPSessions: uint32(count.CurTCPSess),
CurUDPSessions: uint32(count.CurUDPSess),
CurICMPSessions: uint32(count.CurICMPSess),
CurIPSessions: uint32(count.CurIPSess),
}
return true
}
func (rs *RPCService) GetSessionCounter(ctx context.Context, v *share.RPCVoid) (*share.CLUSSessionCounter, error) {
log.Debug("")
var param sessionCountParam
dp.DPCtrlCountSession(rs.cbSessionCount, ¶m)
return param.count, nil
}
func (rs *RPCService) cbAgentCounter(buf []byte, param interface{}) bool {
log.Debug("")
pm, _ := param.(*datapathCountParam)
if buf == nil {
return true
}
// Check message header
hdr := dp.ParseDPMsgHeader(buf)
if hdr == nil {
return true
}
if hdr.Kind != C.DP_KIND_DEVICE_COUNTER {
log.WithFields(log.Fields{"kind": hdr.Kind}).Error("Invalid message type")
return true
}
pid := os.Getpid()
lsof, _ := sh.Command("lsof", "-Pn", "-p", strconv.Itoa(pid)).Command("grep", "-v", "IPv4\\|IPv6").Output()
ps, _ := sh.Command("ps", "-o", "pid,ppid,vsz,rss,comm", "-g", strconv.Itoa(Agent.Pid)).Output()
offset := int(unsafe.Sizeof(*hdr))
r := bytes.NewReader(buf[offset:])
var count C.DPMsgDeviceCounter
binary.Read(r, binary.BigEndian, &count)
pm.count = &share.CLUSDatapathCounter{
RXPackets: uint64(count.RXPackets),
RXDropPackets: uint64(count.RXDropPackets),
TXPackets: uint64(count.TXPackets),
TXDropPackets: uint64(count.TXDropPackets),
ErrorPackets: uint64(count.ErrorPackets),
NoWorkloadPackets: uint64(count.NoWorkloadPackets),
IPv4Packets: uint64(count.IPv4Packets),
IPv6Packets: uint64(count.IPv6Packets),
TCPPackets: uint64(count.TCPPackets),
TCPNoSessionPackets: uint64(count.TCPNoSessionPackets),
UDPPackets: uint64(count.UDPPackets),
ICMPPackets: uint64(count.ICMPPackets),
OtherPackets: uint64(count.OtherPackets),
Assemblys: uint64(count.Assemblys),
FreedAssemblys: uint64(count.FreedAssemblys),
Fragments: uint64(count.Fragments),
FreedFragments: uint64(count.FreedFragments),
TimeoutFragments: uint64(count.TimeoutFragments),
TotalSessions: uint64(count.TotalSessions),
TCPSessions: uint64(count.TCPSessions),
UDPSessions: uint64(count.UDPSessions),
ICMPSessions: uint64(count.ICMPSessions),
IPSessions: uint64(count.IPSessions),
DropMeters: uint64(count.DropMeters),
ProxyMeters: uint64(count.ProxyMeters),
CurMeters: uint64(count.CurMeters),
CurLogCaches: uint64(count.CurLogCaches),
LimitDropConns: uint64(count.LimitDropConns),
LimitPassConns: uint64(count.LimitPassConns),
ParserSessions: make([]uint64, C.DPI_PARSER_MAX),
ParserPackets: make([]uint64, C.DPI_PARSER_MAX),
PolicyType1Rules: uint32(count.PolicyType1Rules),
PolicyType2Rules: uint32(count.PolicyType2Rules),
PolicyDomains: uint32(count.PolicyDomains),
PolicyDomainIPs: uint32(count.PolicyDomainIPs),
GoRoutines: uint32(runtime.NumGoroutine()),
Lsof: lsof,
PS: ps,
}
var i int
for i = 0; i < C.DPI_PARSER_MAX; i++ {
pm.count.ParserSessions[i] = uint64(count.ParserSessions[i])
pm.count.ParserPackets[i] = uint64(count.ParserPackets[i])
}
return true
}
func (rs *RPCService) GetDatapathCounter(ctx context.Context, v *share.RPCVoid) (*share.CLUSDatapathCounter, error) {
log.Debug("")
var param datapathCountParam
dp.DPCtrlCounterAgent(rs.cbAgentCounter, ¶m)
return param.count, nil
}
func (rs *RPCService) convertIPPolicy(pol *dp.DPWorkloadIPPolicy) *share.CLUSDerivedPolicyRuleArray {
rules := make([]*share.CLUSDerivedPolicyRule, len(pol.IPRules))
for i, r := range pol.IPRules {
rules[i] = &share.CLUSDerivedPolicyRule{
ID: r.ID,
SrcIP: r.SrcIP,
DstIP: r.DstIP,
SrcIPR: r.SrcIPR,
DstIPR: r.DstIPR,
Port: uint32(r.Port),
PortR: uint32(r.PortR),
IPProto: uint32(r.IPProto),
Action: uint32(r.Action),
Ingress: r.Ingress,
FQDN: r.Fqdn,
Apps: make([]*share.CLUSDerivedPolicyApp, len(r.Apps)),
}
for j, a := range r.Apps {
rules[i].Apps[j] = &share.CLUSDerivedPolicyApp{
App: a.App,
Action: uint32(a.Action),
RuleID: a.RuleID,
}
}
}
return &share.CLUSDerivedPolicyRuleArray{Rules: rules}
}
func (rs *RPCService) GetDerivedPolicyRules(ctx context.Context, f *share.CLUSFilter) (*share.CLUSDerivedPolicyRuleMap, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
policy := pe.GetNetworkPolicy()
var ruleMap map[string]*share.CLUSDerivedPolicyRuleArray
if f.Workload != "" {
ruleMap = make(map[string]*share.CLUSDerivedPolicyRuleArray, 1)
if pInfo, ok := policy[f.Workload]; ok {
ruleMap[pInfo.Policy.WlID] = rs.convertIPPolicy(&pInfo.Policy)
}
} else {
ruleMap = make(map[string]*share.CLUSDerivedPolicyRuleArray, len(policy))
for _, pInfo := range policy {
ruleMap[pInfo.Policy.WlID] = rs.convertIPPolicy(&pInfo.Policy)
}
}
return &share.CLUSDerivedPolicyRuleMap{RuleMap: ruleMap}, nil
}
func (rs *RPCService) ProbeSummary(ctx context.Context, v *share.RPCVoid) (*share.CLUSProbeSummary, error) {
summary := prober.GetProbeSummary()
return summary, nil
}
func (rs *RPCService) ProbeProcessMap(ctx context.Context, v *share.RPCVoid) (*share.CLUSProbeProcessArray, error) {
procs := prober.GetProcessMap()
res := &share.CLUSProbeProcessArray{Processes: procs}
return res, nil
}
func (rs *RPCService) ProbeContainerMap(ctx context.Context, v *share.RPCVoid) (*share.CLUSProbeContainerArray, error) {
cons := prober.GetContainerMap()
res := &share.CLUSProbeContainerArray{Containers: cons}
return res, nil
}
func (rs *RPCService) SnifferCmd(ctx context.Context, req *share.CLUSSnifferRequest) (*share.CLUSSnifferResponse, error) {
if req.Cmd == share.SnifferCmd_StartSniffer {
id, err := startSniffer(req)
return &share.CLUSSnifferResponse{ID: id}, err
} else if req.Cmd == share.SnifferCmd_StopSniffer {
return &share.CLUSSnifferResponse{}, stopSniffer(req.ID)
} else if req.Cmd == share.SnifferCmd_RemoveSniffer {
return &share.CLUSSnifferResponse{}, removeSniffer(req.ID)
}
return &share.CLUSSnifferResponse{}, grpc.Errorf(codes.InvalidArgument, "Invalid sniffer command")
}
func (rs *RPCService) GetSniffers(ctx context.Context, f *share.CLUSSnifferFilter) (*share.CLUSSnifferArray, error) {
if f.ID == "" {
return &share.CLUSSnifferArray{Sniffers: listSniffer(f.Workload)}, nil
} else {
return &share.CLUSSnifferArray{Sniffers: showSniffer(f.ID)}, nil
}
}
func (rs *RPCService) GetSnifferPcap(req *share.CLUSSnifferDownload, stream share.EnforcerService_GetSnifferPcapServer) error {
log.WithFields(log.Fields{"download": req}).Debug("")
proc, ok := snifferPidMap[req.ID]
if !ok {
log.WithFields(log.Fields{"id": req.ID}).Error("Sniffer not found")
return grpc.Errorf(codes.NotFound, "Sniffer not found")
}
fileList := getFileList(proc.fileNumber, proc.fileName)
if len(fileList) > 0 {
for _, fpath := range fileList {
if dat, err := ioutil.ReadFile(fpath); err == nil {
packet := &share.CLUSSnifferPcap{
Pcap: dat,
}
err := stream.Send(packet)
errCode := grpc.Code(err)
if err != nil {
if errCode != codes.Canceled {
log.WithFields(log.Fields{"err": err}).Error("GRPC send file fail")
return err
}
break
}
}
}
}
return nil
}
func (rs *RPCService) GetContainerLogs(f *share.CLUSContainerLogReq, stream share.EnforcerService_GetContainerLogsServer) error {
log.WithFields(log.Fields{"filter": f}).Debug("")
return grpc.Errorf(codes.Unimplemented, "Get container logs not supported")
/*
// OpenShift by default using journald log driver so we can't read the file, but still avoid using docker API for now.
// data, err := global.RT.GetContainerLogs(Host.Flavor == share.FlavorOpenShift, f.Id, int(f.Start), int(f.Limit))
data, err := global.RT.GetContainerLogs(false, f.Id, int(f.Start), int(f.Limit))
if err != nil {
return grpc.Errorf(codes.Internal, "Get container log fail, error:%v", err)
}
for i := 0; i < len(data); i += packetSize {
var packet share.CLUSContainerLogRes
if len(data[i:]) > packetSize {
packet.LogZb = data[i : i+packetSize-1]
} else {
packet.LogZb = data[i:]
}
stream.Send(&packet)
}
return nil
*/
}
func (rs *RPCService) RunDockerBench(ctx context.Context, v *share.RPCVoid) (*share.RPCVoid, error) {
if Host.CapDockerBench {
bench.RerunDocker()
}
return &share.RPCVoid{}, nil
}
func (rs *RPCService) RunKubernetesBench(ctx context.Context, v *share.RPCVoid) (*share.RPCVoid, error) {
if Host.CapKubeBench {
bench.RerunKube("", "")
}
return &share.RPCVoid{}, nil
}
func (rs *RPCService) GetFileMonitorFile(ctx context.Context, f *share.CLUSFilter) (*share.CLUSFileMonitorFileArray, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
if f.Workload == "" {
files := fileWatcher.GetAllFileMonitorFile()
res := &share.CLUSFileMonitorFileArray{Files: files}
return res, nil
} else {
gInfoRLock()
c, ok := gInfo.activeContainers[f.Workload]
gInfoRUnlock()
if !ok {
return nil, grpc.Errorf(codes.NotFound, "Container not found")
}
files := fileWatcher.GetWatchFileList(c.pid)
res := &share.CLUSFileMonitorFileArray{Files: files}
return res, nil
}
}
func (rs *RPCService) GetProcess(ctx context.Context, f *share.CLUSFilter) (*share.CLUSProcessArray, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
procs := prober.GetContainerProcs(f.Workload)
return &share.CLUSProcessArray{Processes: procs}, nil
}
func (rs *RPCService) GetProcessHistory(ctx context.Context, f *share.CLUSFilter) (*share.CLUSProcessArray, error) {
log.WithFields(log.Fields{"filter": f}).Debug("")
procs := prober.GetContainerProcHistory(f.Workload)
return &share.CLUSProcessArray{Processes: procs}, nil
}
func (rs *RPCService) convertDlpWlRule(dpWlDlpRule *dp.DPWorkloadDlpRule) *share.CLUSDerivedDlpRuleArray {
clusDlpRuleArray := &share.CLUSDerivedDlpRuleArray{
Mode: dpWlDlpRule.Mode,
DefAct: (uint32)(dpWlDlpRule.DefAction),
ApplyDir: (int32)(dpWlDlpRule.ApplyDir),
WlMacs: make([]string, 0),
DlpRules: make([]*share.CLUSDerivedDlpRule, 0),
WafRules: make([]*share.CLUSDerivedDlpRule, 0),
Rids: make([]uint32, 0),
Wafrids: make([]uint32, 0),
RuleType: dpWlDlpRule.RuleType,
}
wlmacs := make([]string, len(dpWlDlpRule.WorkloadMac))
for i, m := range dpWlDlpRule.WorkloadMac {
wlmacs[i] = m
}
clusDlpRuleArray.WlMacs = wlmacs
dlpRuleNames := make([]*share.CLUSDerivedDlpRule, len(dpWlDlpRule.DlpRuleNames))
for i, r := range dpWlDlpRule.DlpRuleNames {
dlpRuleNames[i] = &share.CLUSDerivedDlpRule{
Name: r.Name,
Action: (uint32)(r.Action),
}
}
clusDlpRuleArray.DlpRules = dlpRuleNames
wafRuleNames := make([]*share.CLUSDerivedDlpRule, len(dpWlDlpRule.WafRuleNames))
for i, r := range dpWlDlpRule.WafRuleNames {
wafRuleNames[i] = &share.CLUSDerivedDlpRule{
Name: r.Name,
Action: (uint32)(r.Action),
}
}
clusDlpRuleArray.WafRules = wafRuleNames
rids := make([]uint32, len(dpWlDlpRule.PolicyRuleIds))
for i, r := range dpWlDlpRule.PolicyRuleIds {
rids[i] = r
}
clusDlpRuleArray.Rids = rids
wafrids := make([]uint32, len(dpWlDlpRule.PolWafRuleIds))
for i, r := range dpWlDlpRule.PolWafRuleIds {
wafrids[i] = r
}
clusDlpRuleArray.Wafrids = wafrids