Best Syzkaller code snippet using host.init
handshake.go
Source:handshake.go
...257 // we have completed the key exchange. Since the258 // reader is still blocked, it is safe to clear out259 // the requestKex channel. This avoids the situation260 // where: 1) we consumed our own request for the261 // initial kex, and 2) the kex from the remote side262 // caused another send on the requestKex channel,263 clear:264 for {265 select {266 case <-t.requestKex:267 //268 default:269 break clear270 }271 }272 request.done <- t.writeError273 // kex finished. Push packets that we received while274 // the kex was in progress. Don't look at t.startKex275 // and don't increment writtenSinceKex: if we trigger276 // another kex while we are still busy with the last277 // one, things will become very confusing.278 for _, p := range t.pendingPackets {279 t.writeError = t.pushPacket(p)280 if t.writeError != nil {281 break282 }283 }284 t.pendingPackets = t.pendingPackets[:0]285 t.mu.Unlock()286 }287 // drain startKex channel. We don't service t.requestKex288 // because nobody does blocking sends there.289 go func() {290 for init := range t.startKex {291 init.done <- t.writeError292 }293 }()294 // Unblock reader.295 t.conn.Close()296}297// The protocol uses uint32 for packet counters, so we can't let them298// reach 1<<32. We will actually read and write more packets than299// this, though: the other side may send more packets, and after we300// hit this limit on writing we will send a few more packets for the301// key exchange itself.302const packetRekeyThreshold = (1 << 31)303func (t *handshakeTransport) resetReadThresholds() {304 t.readPacketsLeft = packetRekeyThreshold305 if t.config.RekeyThreshold > 0 {306 t.readBytesLeft = int64(t.config.RekeyThreshold)307 } else if t.algorithms != nil {308 t.readBytesLeft = t.algorithms.r.rekeyBytes()309 } else {310 t.readBytesLeft = 1 << 30311 }312}313func (t *handshakeTransport) readOnePacket(first bool) ([]byte, error) {314 p, err := t.conn.readPacket()315 if err != nil {316 return nil, err317 }318 if t.readPacketsLeft > 0 {319 t.readPacketsLeft--320 } else {321 t.requestKeyExchange()322 }323 if t.readBytesLeft > 0 {324 t.readBytesLeft -= int64(len(p))325 } else {326 t.requestKeyExchange()327 }328 if debugHandshake {329 t.printPacket(p, false)330 }331 if first && p[0] != msgKexInit {332 return nil, fmt.Errorf("ssh: first packet should be msgKexInit")333 }334 if p[0] != msgKexInit {335 return p, nil336 }337 firstKex := t.sessionID == nil338 kex := pendingKex{339 done: make(chan error, 1),340 otherInit: p,341 }342 t.startKex <- &kex343 err = <-kex.done344 if debugHandshake {345 log.Printf("%s exited key exchange (first %v), err %v", t.id(), firstKex, err)346 }347 if err != nil {348 return nil, err349 }350 t.resetReadThresholds()351 // By default, a key exchange is hidden from higher layers by352 // translating it into msgIgnore.353 successPacket := []byte{msgIgnore}354 if firstKex {355 // sendKexInit() for the first kex waits for356 // msgNewKeys so the authentication process is357 // guaranteed to happen over an encrypted transport.358 successPacket = []byte{msgNewKeys}359 }360 return successPacket, nil361}362// sendKexInit sends a key change message.363func (t *handshakeTransport) sendKexInit() error {364 t.mu.Lock()365 defer t.mu.Unlock()366 if t.sentInitMsg != nil {367 // kexInits may be sent either in response to the other side,368 // or because our side wants to initiate a key change, so we369 // may have already sent a kexInit. In that case, don't send a370 // second kexInit.371 return nil372 }373 msg := &kexInitMsg{374 KexAlgos: t.config.KeyExchanges,375 CiphersClientServer: t.config.Ciphers,376 CiphersServerClient: t.config.Ciphers,377 MACsClientServer: t.config.MACs,378 MACsServerClient: t.config.MACs,379 CompressionClientServer: supportedCompressions,380 CompressionServerClient: supportedCompressions,381 }382 io.ReadFull(rand.Reader, msg.Cookie[:])...
host_services.go
Source:host_services.go
...55 if len(options.HostOptions.DeployServerSocketPath) == 0 {56 log.Fatalf("missing deploy server socket path")57 }58 // options.HostOptions.EnableRbac = false // disable rbac59 // init base option for pid file60 host.SServiceBase.O = &options.HostOptions.BaseOptions61 log.Infof("exec socket path: %s", options.HostOptions.ExecutorSocketPath)62 if options.HostOptions.EnableRemoteExecutor {63 execlient.Init(options.HostOptions.ExecutorSocketPath)64 procutils.SetRemoteExecutor()65 }66}67func (host *SHostService) OnExitService() {}68func (host *SHostService) RunService() {69 hn, err := os.Hostname()70 if err != nil {71 log.Fatalf("fail to get hostname %s", err)72 }73 app := app_common.InitApp(&options.HostOptions.BaseOptions, false)74 cronManager := cronman.InitCronJobManager(false, options.HostOptions.CronJobWorkerCount)75 hostutils.Init()76 app_common.InitAuth(&options.HostOptions.CommonOptions, func() {77 log.Infof("Auth complete!!")78 if err := host.initEtcdConfig(); err != nil {79 log.Fatalln("Init etcd config:", err)80 }81 if len(options.HostOptions.EtcdEndpoints) > 0 {82 _, err := host_health.InitHostHealthManager(hn, "")83 if err != nil {84 log.Fatalf("Init host health manager failed %s", err)85 }86 }87 })88 hostInstance := hostinfo.Instance()89 if err := hostInstance.Init(); err != nil {90 log.Fatalf("Host instance init error: %v", err)91 }92 deployclient.Init(options.HostOptions.DeployServerSocketPath)93 if err := storageman.Init(hostInstance); err != nil {94 log.Fatalf("Storage manager init error: %v", err)95 }96 var guestChan chan struct{}97 guestman.Init(hostInstance, options.HostOptions.ServersPath)98 hostInstance.StartRegister(2, func() {99 guestChan = guestman.GetGuestManager().Bootstrap()100 // hostmetrics after guestmanager bootstrap101 hostmetrics.Init()102 hostmetrics.Start()103 })104 <-hostinfo.Instance().IsRegistered // wait host and guest init105 host.initHandlers(app)106 // Init Metadata handler107 go metadata.Start(108 app_common.InitApp(&options.HostOptions.BaseOptions, false),109 &metadata.Service{110 Address: options.HostOptions.Address,111 Port: options.HostOptions.Port + 1000,112 DescGetter: metadata.DescGetterFunc(func(ip string) *desc.SGuestDesc {113 guestDesc, _ := guestman.GetGuestManager().GetGuestNicDesc("", ip, "", "", false)114 return guestDesc115 }),116 },117 )118 cronManager.AddJobEveryFewDays(119 "CleanRecycleDiskFiles", 1, 3, 0, 0, storageman.CleanRecycleDiskfiles, false)120 cronManager.Start()121 close(guestChan)122 app_common.ServeForeverWithCleanup(app, &options.HostOptions.BaseOptions, func() {123 hostinfo.Stop()124 storageman.Stop()125 hostmetrics.Stop()126 guestman.Stop()127 hostutils.GetWorkManager().Stop()128 })129}130func (host *SHostService) initHandlers(app *appsrv.Application) {131 guesthandlers.AddGuestTaskHandler("", app)132 storagehandler.AddStorageHandler("", app)133 diskhandlers.AddDiskHandler("", app)134 downloader.AddDownloadHandler("", app)135 kubehandlers.AddKubeAgentHandler("", app)136 hosthandler.AddHostHandler("", app)137 app_common.ExportOptionsHandler(app, &options.HostOptions)138}139func (host *SHostService) initEtcdConfig() error {140 etcdEndpoint, err := app_common.FetchEtcdServiceInfo()141 if err != nil {142 if errors.Cause(err) == httperrors.ErrNotFound {143 return nil144 }145 return errors.Wrap(err, "fetch etcd service info")146 }147 if etcdEndpoint == nil {148 return nil149 }150 if len(options.HostOptions.EtcdEndpoints) == 0 {151 options.HostOptions.EtcdEndpoints = []string{etcdEndpoint.Url}152 if len(etcdEndpoint.CertId) > 0 {153 dir, err := ioutil.TempDir("", "etcd-cluster-tls")...
init
Using AI Code Generation
1import (2type Host struct {3}4func (h *Host) init() {5}6func main() {7 h := Host{}8 h.init()9 fmt.Println(h.name)10}11import (12type Host struct {13}14func (h *Host) init() {15}16func main() {17 h := &Host{}18 h.init()19 fmt.Println(h.name)20}21import (22type Host struct {23}24func (h *Host) init() {25}26func main() {27 h := &Host{}28 h.init()29 fmt.Println(h.name)30}31import (32type Host struct {33}34func (h *Host) init() {35}36func main() {37 h := &Host{}38 h.init()39 fmt.Println(h.name)40}41import (42type Host struct {43}44func (h *Host) init() {45}46func main() {47 h := &Host{}48 h.init()49 fmt.Println(h.name)50}51import (52type Host struct {53}54func (h *Host) init() {55}56func main() {57 h := &Host{}58 h.init()59 fmt.Println(h.name)60}61import (62type Host struct {63}64func (h *Host) init() {65}66func main() {67 h := &Host{}68 h.init()69 fmt.Println(h.name)70}71import (72type Host struct {
init
Using AI Code Generation
1import (2type host struct {3}4func (h *host) init(name string) {5}6func (h *host) print() {7 fmt.Printf("Host name: %s\n", h.name)8}9func main() {10 h := new(host)11 h.init(os.Args[1])12 h.print()13}14import (15type host struct {16}17func (h *host) init(name string) {18}19func (h *host) print() {20 fmt.Printf("Host name: %s\n", h.name)21}22func main() {23 h := new(host)24 h.init(os.Args[1])25 h.print()26}27import (28type host struct {29}30func (h *host) init(name string) {31}32func (h *host) print() {33 fmt.Printf("Host name: %s\n", h.name)34}35func main() {36 h := new(host)37 h.init(os.Args[1])38 h.print()39}40import (41type host struct {42}43func (h *host) init(name string) {44}45func (h *host) print() {46 fmt.Printf("Host name: %s\n", h.name)47}48func main() {49 h := new(host)50 h.init(os.Args[1])51 h.print()52}53import (54type host struct {55}56func (h *host) init(name string) {57}58func (h *host
init
Using AI Code Generation
1import (2func main() {3 fmt.Println("Hello World")4 host.HostInit()5}6import (7func HostInit() {8 fmt.Println("Hello World")9}10import (11func HostInit() {12 fmt.Println("Hello World")13}14import (15func HostInit() {16 fmt.Println("Hello World")17}18import (19func HostInit() {20 fmt.Println("Hello World")21}22import (23func HostInit() {24 fmt.Println("Hello World")25}26import (27func HostInit() {28 fmt.Println("Hello World")29}30import (31func HostInit() {32 fmt.Println("Hello World")33}34import (35func HostInit() {36 fmt.Println("Hello World")37}38import (39func HostInit() {40 fmt.Println("Hello World")41}
init
Using AI Code Generation
1import (2func init() {3 fmt.Println("init method of host class")4}5func main() {6 fmt.Println("main method of host class")7 fmt.Println("Number of CPU:",runtime.NumCPU())8}9import (10func init() {11 fmt.Println("init method of host class")12}13func main() {14 fmt.Println("main method of host class")15 fmt.Println("Number of CPU:",runtime.NumCPU())16}17import (18func init() {19 fmt.Println("init method of host class")20}21func main() {22 fmt.Println("main method of host class")23 fmt.Println("Number of CPU:",runtime.NumCPU())24}25import (26func init() {27 fmt.Println("init method of host class")28}29func main() {30 fmt.Println("main method of host class")31 fmt.Println("Number of CPU:",runtime.NumCPU())32}33import (34func init() {35 fmt.Println("init method of host class")36}37func main() {38 fmt.Println("main method of host class")39 fmt.Println("Number of CPU:",runtime.NumCPU())40}41import (42func init() {43 fmt.Println("init method of host class")44}
init
Using AI Code Generation
1import "fmt"2type host struct {3}4func (h host) gethostname() string {5}6func init() {7 fmt.Println("init method of host class is called before main method")8}9func main() {10 h := host{"pune"}11 fmt.Println(h.gethostname())12}
init
Using AI Code Generation
1import (2func main() {3 fmt.Println("main")4}5import (6func init() {7 fmt.Println("main init")8}9func main() {10 fmt.Println("main")11}12import (13func init() {14 fmt.Println("main init")15}16func main() {17 fmt.Println("main")18}19import (20func init() {21 fmt.Println("main init")22}23func main() {24 fmt.Println("main")25}26import (27func init() {28 fmt.Println("main init")29}30func main() {31 fmt.Println("main")32}33import (34func init() {35 fmt.Println("main init")36}37func main() {38 fmt.Println("main")39}40import (41func init() {42 fmt.Println("main init")43}44func main() {45 fmt.Println("main")46}
init
Using AI Code Generation
1import (2func main() {3 fmt.Println("Welcome to Go")4 host.Show()5}6import "fmt"7func init() {8 fmt.Println("Init method of host class is called")9}10func Show() {11 fmt.Println("Show method of host class is called")12}13import (14func main() {15 fmt.Println("Welcome to Go")16 host.Show()17}18import "fmt"19func init() {20 fmt.Println("Init method of host class is called")21}22func Show() {23 fmt.Println("Show method of host class is called")24}25import (26func main() {27 fmt.Println("Welcome to Go")28 host.Show()29}30import "fmt"31func init() {32 fmt.Println("Init method of host class is called")33}34func Show() {35 fmt.Println("Show method of host class is called")36}37import (38func main() {39 fmt.Println("Welcome to Go")40 host.Show()41}42import "fmt"43func init() {44 fmt.Println("Init method of host class is called")45}46func Show() {47 fmt.Println("Show method of host class is
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