func handle(sig os.Signal, pid int) todo {
switch sig {
case syscall.SIGTSTP:
send(pid, syscall.SIGTSTP)
verbose.Printf("[stopping]\n")
syscall.Kill(syscall.Getpid(), syscall.SIGSTOP)
time.Sleep(moment)
verbose.Printf("[resuming]\n")
send(pid, syscall.SIGCONT)
return resumed
case syscall.SIGHUP: // tty hangup (e.g. via disown)
verbose.Set(false)
os.Stdin.Close()
os.Stdout.Close()
os.Stderr.Close()
send(pid, sig.(syscall.Signal))
// Our tty is gone, so there is little left to do. We could hang
// around proxying signals (e.g. those sent via kill). But those
// could be just as easily sent directly to the hosted program,
// so let's not bother.
return done
default:
send(pid, sig.(syscall.Signal))
}
return cont
}
func main() {
verbose.Set(true)
options.Parse()
if *options.String["config"] != "" && !*options.Bool["init"] {
err := options.Load(*options.String["config"])
options.FailIf(err, "Can't load configuration")
}
if *options.Bool["init"] {
cpath := *options.String["config"]
if cpath == "" {
options.Fail(nil, "Option -init requires option -config")
}
fmt.Println("Initializing configuration file: " + cpath)
err := options.Save(cpath, "Tao rendezvous configuration", "persistent")
options.FailIf(err, "Can't save configuration")
}
fmt.Println("Cloudproxy Rendezvous Service")
if tao.Parent() == nil {
options.Fail(nil, "can't continue: no host Tao available")
}
allowAnon = *options.Bool["anon"]
manualMode = *options.Bool["manual"]
fcfsMode = *options.Bool["fcfs"]
addr := *options.String["addr"]
netlog.Log("rendezvous: init")
netlog.Log("rendezvous: allow anon? %v", allowAnon)
netlog.Log("rendezvous: manual? %v", manualMode)
netlog.Log("rendezvous: fcfs? %v", fcfsMode)
netlog.Log("rendezvous: addr = %v", addr)
// TODO(kwalsh) extend tao name with operating mode and policy
err := tao.NewOpenServer(tao.ConnHandlerFunc(doResponses)).ListenAndServe(addr)
options.FailIf(err, "server died")
netlog.Log("rendezvous: done")
}
func Main() {
flag.Usage = help
verbose.Set(true)
// Get options before the command verb
flag.Parse()
// Get command verb
cmd := "help"
if flag.NArg() > 0 {
cmd = flag.Arg(0)
}
// Get options after the command verb
if flag.NArg() > 1 {
flag.CommandLine.Parse(flag.Args()[1:])
}
// Load the domain.
cpath := path.Join(apps.TaoDomainPath(), "tao.config")
domain, err := tao.LoadDomain(cpath, nil)
options.FailIf(err, "Can't load domain")
// Set $TAO_DOMAIN so it will be inherited by hosted programs
os.Unsetenv("TAO_DOMAIN")
err = os.Setenv("TAO_DOMAIN", apps.TaoDomainPath())
options.FailIf(err, "Can't set $TAO_DOMAIN")
switch cmd {
case "help":
help()
case "init":
initHost(domain)
case "show":
showHost(domain)
case "start":
startHost(domain)
case "stop", "shutdown":
stopHost(domain)
default:
options.Usage("Unrecognized command: %s", cmd)
}
}
func main() {
verbose.Set(true)
options.Parse()
profiling.ProfilePath = *options.String["profile"]
if !verbose.Enabled {
taoca.ConfirmNames = false
}
if *options.String["config"] != "" && !*options.Bool["init"] {
err := options.Load(*options.String["config"])
options.FailIf(err, "Can't load configuration")
}
fmt.Println("https/tls Certificate Authority")
manualMode = *options.Bool["manual"]
learnMode = *options.Bool["learn"]
if !manualMode && tao.Parent() == nil {
options.Fail(nil, "can't continue: automatic mode, but no host Tao available")
}
if *options.Bool["root"] == (*options.String["subsidiary"] != "") {
options.Usage("must supply exactly one of -root or -subsidiary options")
}
host := *options.String["host"]
port := *options.String["port"]
addr := net.JoinHostPort(host, port)
// TODO(kwalsh) extend tao name with operating mode and policy
cpath := *options.String["config"]
kdir := *options.String["keys"]
if kdir == "" && cpath != "" {
kdir = path.Dir(cpath)
} else if kdir == "" {
options.Fail(nil, "Option -keys or -config is required")
}
ppath := path.Join(kdir, "policy")
var err error
if *options.Bool["init"] {
if cpath != "" {
err := options.Save(cpath, "HTTPS/TLS certificate authority configuration", "persistent")
options.FailIf(err, "Can't save configuration")
}
fmt.Println("" +
"Initializing fresh HTTP/TLS CA signing key. Provide the following information,\n" +
"to be include in the CA's own x509 certificate. Leave the response blank to\n" +
"accept the default value.\n" +
"\n" +
"Configuration file: " + cpath + "\n" +
"Keys directory: " + kdir + "\n")
var caName *pkix.Name
if taoca.ConfirmNames {
if *options.Bool["root"] {
caName = taoca.ConfirmName(caRootName)
} else {
caName = taoca.ConfirmName(caSubsidiaryName)
}
} else {
if *options.Bool["root"] {
caName = caRootName
} else {
caName = caSubsidiaryName
}
}
if manualMode {
pwd := options.Password("Choose an HTTPS/TLS CA signing key password", "pass")
caKeys, err = tao.InitOnDiskPBEKeys(tao.Signing, pwd, kdir, caName)
tao.ZeroBytes(pwd)
} else {
caKeys, err = tao.InitOnDiskTaoSealedKeys(tao.Signing, caName, tao.Parent(), kdir, tao.SealPolicyDefault)
}
options.FailIf(err, "Can't initialize fresh HTTPS/TLS CA signing key")
if *options.Bool["root"] {
fmt.Printf(""+
"Note: To install this CA's key in the Chrome browser, go to\n"+
" 'Settings', 'Show advanced settings...', 'Manage Certificates...', 'Authorities'\n"+
" then import the following file:\n"+
" %s\n"+
" Select 'Trust this certificate for identifying websites' and/or other\n"+
" options, then click 'OK'\n", caKeys.X509Path("default"))
} else {
csr := taoca.NewCertificateSigningRequest(caKeys.VerifyingKey, caName)
*csr.IsCa = true
srv := *options.String["subsidiary"]
taoca.DefaultServerName = srv
taoca.SubmitAndInstall(caKeys, csr)
}
if !manualMode {
f, err := os.Open(ppath)
if err == nil {
f.Close()
fmt.Printf("Using existing certificate-granting policy: %s\n", ppath)
} else {
fmt.Printf("Creating default certificate-granting policy: %s\n", ppath)
fmt.Printf("Edit that file to define the certificate-granting policy.\n")
err := util.WritePath(ppath, []byte(policy.Default), 0755, 0755)
options.FailIf(err, "Can't save policy rules")
}
}
} else {
if manualMode {
pwd := options.Password("HTTPS/TLS CA signing key password", "pass")
caKeys, err = tao.LoadOnDiskPBEKeys(tao.Signing, pwd, kdir)
tao.ZeroBytes(pwd)
} else {
caKeys, err = tao.LoadOnDiskTaoSealedKeys(tao.Signing, tao.Parent(), kdir, tao.SealPolicyDefault)
}
options.FailIf(err, "Can't load HTTP/TLS CA signing key")
}
netlog.Log("https_ca: start")
netlog.Log("https_ca: manual? %v", manualMode)
if !manualMode {
guard, err = policy.Load(ppath)
options.FailIf(err, "Can't load certificate-granting policy")
}
var prin auth.Prin
if tao.Parent() != nil {
prin, err = tao.Parent().GetTaoName()
options.FailIf(err, "Can't get tao name")
} else {
rendezvous.DefaultServer.Connect(caKeys)
prin = caKeys.SigningKey.ToPrincipal()
}
name := *options.String["name"]
if name != "" {
err = rendezvous.Register(rendezvous.Binding{
Name: proto.String(name),
Host: proto.String(host),
Port: proto.String(port),
Protocol: proto.String("protoc/rpc/https_ca"),
Principal: proto.String(prin.String()),
})
options.FailIf(err, "Can't register with rendezvous service")
}
statsdelay := *options.String["stats"]
var srv *tao.Server
if statsdelay != "" {
go profiling.ShowStats(&stats, statsdelay, "sign certificates")
srv = tao.NewOpenServer(tao.ConnHandlerFunc(doResponseWithStats))
} else {
srv = tao.NewOpenServer(tao.ConnHandlerFunc(doResponseWithoutStats))
}
srv.Keys = caKeys
fmt.Printf("Listening at %s using Tao-authenticated channels\n", addr)
err = srv.ListenAndServe(addr)
options.FailIf(err, "server died")
fmt.Println("Server Done")
netlog.Log("https_ca: done")
}
