func readConfig() *app.ConfigConode {
conf := &app.ConfigConode{}
if err := app.ReadTomlConfig(conf, "testdata/config.toml"); err != nil {
dbg.Fatal("Could not read toml config... : ", err)
}
dbg.Lvl2("Configuration file read")
suite = app.GetSuite(conf.Suite)
return conf
}
// NewStamp initializes a new stamp-client by reading all
// configuration from a "config.toml"-file.
// If an error occurs, it is returned by the second argument.
// It also initializes X0 and Suite for later use.
func NewStamp(file string) (*Stamp, error) {
s := &Stamp{}
err := app.ReadTomlConfig(&s.Config, file)
if err != nil {
return nil, err
}
s.Suite = app.GetSuite(s.Config.Suite)
pub, _ := base64.StdEncoding.DecodeString(s.Config.AggPubKey)
s.Suite.Read(bytes.NewReader(pub), &s.X0)
return s, nil
}
// Reads in the deterlab-config and drops out if there is an error
func (d *Deterlab) ReadConfig(name ...string) {
configName := "deter.toml"
if len(name) > 0 {
configName = name[0]
}
err := app.ReadTomlConfig(d, configName)
_, caller, line, _ := runtime.Caller(1)
who := caller + ":" + strconv.Itoa(line)
if err != nil {
dbg.Fatal("Couldn't read config in", who, ":", err)
}
dbg.DebugVisible = d.Debug
}
// Reads in the localhost-config and drops out if there is an error
func (d *Localhost) ReadConfig(name ...string) {
configName := defaultConfigName
if len(name) > 0 {
configName = name[0]
}
err := app.ReadTomlConfig(d, configName)
_, caller, line, _ := runtime.Caller(1)
who := caller + ":" + strconv.Itoa(line)
if err != nil {
dbg.Fatal("Couldn't read config in", who, ":", err)
}
dbg.DebugVisible = d.Debug
dbg.Lvl4("Localhost: read the config, Hosts", d.Hosts)
}
// Checks whether host, login and project are defined. If any of them are missing, it will
// ask on the command-line.
// For the login-variable, it will try to set up a connection to d.Host and copy over the
// public key for a more easy communication
func (d *Deterlab) LoadAndCheckDeterlabVars() {
deter := Deterlab{}
err := app.ReadTomlConfig(&deter, "deter.toml", d.DeterDir)
d.Host, d.Login, d.Project, d.Experiment, d.ProxyRedirectionPort, d.ProxyRedirectionAddress, d.MonitorAddress =
deter.Host, deter.Login, deter.Project, deter.Experiment,
deter.ProxyRedirectionPort, deter.ProxyRedirectionAddress, deter.MonitorAddress
if err != nil {
dbg.Lvl1("Couldn't read config-file - asking for default values")
}
if d.Host == "" {
d.Host = readString("Please enter the hostname of deterlab", "users.deterlab.net")
}
if d.Login == "" {
d.Login = readString("Please enter the login-name on "+d.Host, "")
}
if d.Project == "" {
d.Project = readString("Please enter the project on deterlab", "SAFER")
}
if d.Experiment == "" {
d.Experiment = readString("Please enter the Experiment on "+d.Project, "Dissent-CS")
}
if d.MonitorAddress == "" {
d.MonitorAddress = readString("Please enter the Monitor address (where clients will connect)", "users.isi.deterlab.net")
}
if d.ProxyRedirectionPort == "" {
d.ProxyRedirectionPort = readString("Please enter the proxy redirection port", "4001")
}
if d.ProxyRedirectionAddress == "" {
d.ProxyRedirectionAddress = readString("Please enter the proxy redirection address", "localhost")
}
app.WriteTomlConfig(*d, "deter.toml", d.DeterDir)
}
func (sr *StampSignature) Open(file string) error {
// Read in the toml-file
sigStr := &sigFile{}
err := app.ReadTomlConfig(sigStr, file)
if err != nil {
return err
}
suite := app.GetSuite(sigStr.SuiteStr)
sr.Timestamp = sigStr.Timestamp
for _, pr := range sigStr.Proof {
pro, err := base64.StdEncoding.DecodeString(pr)
if err != nil {
dbg.Lvl1("Couldn't decode proof:", pr)
return err
}
sr.Prf = append(sr.Prf, pro)
}
// Read the root, the challenge and response
sr.MerkleRoot, err = base64.StdEncoding.DecodeString(sigStr.MerkleRoot)
if err != nil {
fmt.Errorf("Could not decode Merkle Root from sig file:", err)
}
sr.Response, err = cliutils.ReadSecret64(suite, strings.NewReader(sigStr.Response))
if err != nil {
fmt.Errorf("Could not read secret challenge:", err)
}
if sr.Challenge, err = cliutils.ReadSecret64(suite, strings.NewReader(sigStr.Challenge)); err != nil {
fmt.Errorf("Could not read the aggregate commitment:", err)
}
if sr.AggCommit, err = cliutils.ReadPub64(suite, strings.NewReader(sigStr.AggCommitment)); err != nil {
return err
}
if sr.AggPublic, err = cliutils.ReadPub64(suite, strings.NewReader(sigStr.AggPublic)); err != nil {
return err
}
return nil
}
// Run will launch the conode server. It takes a config file and a key file
// First parse the key + config file and then run the actual server
func Run(configFile, key string) {
var address string
// Read the global config
conf := &app.ConfigConode{}
if err := app.ReadTomlConfig(conf, configFile); err != nil {
dbg.Fatal("Could not read toml config:", err)
}
dbg.Lvl1("Configuration file read")
// Read the private / public keys + binded address
if sec, err := cliutils.ReadPrivKey(suite, namePriv(key)); err != nil {
dbg.Fatal("Error reading private key file:", err)
} else {
conf.Secret = sec
}
if pub, addr, err := cliutils.ReadPubKey(suite, namePub(key)); err != nil {
dbg.Fatal("Error reading public key file:", err)
} else {
conf.Public = pub
address = addr
}
peer := conode.NewPeer(address, conf)
peer.LoopRounds(RoundStatsType, maxRounds)
}
// Creates the appropriate configuration-files and copies everything to the
// deterlab-installation.
func (d *Deterlab) Deploy(rc RunConfig) error {
dbg.Lvlf1("Next run is %+v", rc)
os.RemoveAll(d.DeployDir)
os.Mkdir(d.DeployDir, 0777)
dbg.Lvl3("Writing config-files")
// Initialize the deter-struct with our current structure (for debug-levels
// and such), then read in the app-configuration to overwrite eventual
// 'Machines', 'ppm', '' or other fields
deter := *d
appConfig := d.DeployDir + "/app.toml"
deterConfig := d.DeployDir + "/deter.toml"
ioutil.WriteFile(appConfig, rc.Toml(), 0666)
deter.ReadConfig(appConfig)
deter.createHosts()
d.MasterLogger = deter.MasterLogger
app.WriteTomlConfig(deter, deterConfig)
// Prepare special configuration preparation for each application - the
// reading in twice of the configuration file, once for the deterConfig,
// then for the appConfig, sets the deterConfig as defaults and overwrites
// everything else with the actual appConfig (which comes from the
// runconfig-file)
switch d.App {
case "sign", "stamp":
conf := app.ConfigColl{}
conf.StampsPerRound = -1
conf.StampRatio = 1.0
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
// Calculates a tree that is used for the timestampers
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
dbg.Lvl2("Total peers:", len(conf.Hosts))
total := deter.Machines * conf.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "skeleton":
conf := app.ConfigSkeleton{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
// Calculates a tree that is used for the timestampers
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
dbg.Lvl2("Total peers:", len(conf.Hosts))
total := deter.Machines * conf.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "shamir":
conf := app.ConfigShamir{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
_, conf.Hosts, _, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Ppm)
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "naive":
conf := app.NaiveConfig{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
_, conf.Hosts, _, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, 2)
deter.Hostnames = conf.Hosts
dbg.Lvl3("Deterlab: naive applications:", conf.Hosts)
dbg.Lvl3("Deterlab: naive app config:", conf)
dbg.Lvl3("Deterlab: naive app virt:", deter.Virt[:])
deter.Hostnames = conf.Hosts
app.WriteTomlConfig(conf, appConfig)
case "ntree":
conf := app.NTreeConfig{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
deter.Hostnames = conf.Hosts
app.WriteTomlConfig(conf, appConfig)
case "randhound":
}
app.WriteTomlConfig(deter, "deter.toml", d.DeployDir)
// copy the webfile-directory of the logserver to the remote directory
err := exec.Command("cp", "-a", d.DeterDir+"/cothority.conf", d.DeployDir).Run()
if err != nil {
dbg.Fatal("error copying webfiles:", err)
}
build, err := ioutil.ReadDir(d.BuildDir)
for _, file := range build {
err = exec.Command("cp", d.BuildDir+"/"+file.Name(), d.DeployDir).Run()
if err != nil {
dbg.Fatal("error copying build-file:", err)
}
}
dbg.Lvl1("Copying over to", d.Login, "@", d.Host)
// Copy everything over to Deterlabs
err = cliutils.Rsync(d.Login, d.Host, d.DeployDir+"/", "remote/")
if err != nil {
dbg.Fatal(err)
}
dbg.Lvl2("Done copying")
return nil
}
// If the server is only given with it's hostname, it supposes that the stamp
// server is run on port 2001. Else you will have to add the port yourself.
func main() {
stamp := cli.NewApp()
stamp.Name = "collective"
stamp.Usage = "Used to sign files to a cothority tree and to verify issued signatures"
stamp.Version = "0.0.1"
stamp.Authors = []cli.Author{
{
Name: "Linus Gasser",
Email: "*****@*****.**",
},
{
Name: "nikkolasg",
Email: "",
},
}
stamp.Commands = []cli.Command{
{
Name: "sign",
Aliases: []string{"s"},
Usage: "Request a signed time-stamp on a file. Provide with FILE.",
Action: func(c *cli.Context) {
dbg.Lvl1("Requesting a timestamp on a cothority tree")
server := c.String("server")
StampFile(c.Args().First(), server)
},
Flags: []cli.Flag{
cli.StringFlag{
Name: "server, s",
Value: "",
Usage: "Server in the cothority tree we wish to contact. If not given, it will select a random one.",
},
},
},
{
Name: "check",
Aliases: []string{"c"},
Usage: "Verify a given signature against a file",
ArgsUsage: "FILE is the name of the file. Signature file should be file.sig otherwise use the sig option",
Flags: []cli.Flag{
cli.StringFlag{
Name: "sig",
Value: "",
Usage: "signature file to verify",
},
},
Action: func(c *cli.Context) {
sigFile := c.String("sig")
if sigFile == "" {
sigFile = c.Args().First() + sigExtension
}
if VerifyFileSignature(c.Args().First(), sigFile) {
dbg.Lvl1("Verification OK")
} else {
dbg.Lvl1("Verification of file failed")
}
},
},
}
stamp.Flags = []cli.Flag{
cli.StringFlag{
Name: "config, c",
Value: defaultConfigFile,
Usage: "Configuration file of the cothority tree we are using.",
},
cli.IntFlag{
Name: "debug, d",
Value: 1,
Usage: "debug level from 1 (major operations) to 5 (very noisy text)",
},
}
// Read the config file before
stamp.Before = func(c *cli.Context) error {
var cf string = c.String("config")
if c.String("config") == "" {
cf = defaultConfigFile
}
conf = new(app.ConfigConode)
err := app.ReadTomlConfig(conf, cf)
suite = app.GetSuite(conf.Suite)
pub, _ := base64.StdEncoding.DecodeString(conf.AggPubKey)
suite.Read(bytes.NewReader(pub), &public_X0)
// sets the right debug options
dbg.DebugVisible = c.GlobalInt("debug")
return err
}
stamp.Run(os.Args)
}
func (d *Localhost) Deploy(rc RunConfig) error {
dbg.Lvl2("Localhost: Deploying and writing config-files")
// Initialize the deter-struct with our current structure (for debug-levels
// and such), then read in the app-configuration to overwrite eventual
// 'Machines', 'Ppm', 'Loggers' or other fields
appConfig := d.RunDir + "/app.toml"
localConfig := d.RunDir + "/" + defaultConfigName
ioutil.WriteFile(appConfig, rc.Toml(), 0666)
d.ReadConfig(appConfig)
d.GenerateHosts()
app.WriteTomlConfig(d, localConfig)
// Prepare special configuration preparation for each application - the
// reading in twice of the configuration file, once for the deterConfig,
// then for the appConfig, sets the deterConfig as defaults and overwrites
// everything else with the actual appConfig (which comes from the
// runconfig-file)
switch d.App {
case "sign", "stamp":
conf := app.ConfigColl{}
conf.StampsPerRound = -1
conf.StampRatio = 1.0
app.ReadTomlConfig(&conf, localConfig)
app.ReadTomlConfig(&conf, appConfig)
// Calculates a tree that is used for the timestampers
// ppm = 1
conf.Tree = graphs.CreateLocalTree(d.Hosts, conf.Bf)
conf.Hosts = d.Hosts
dbg.Lvl2("Total hosts / depth:", len(conf.Hosts), graphs.Depth(conf.Tree))
total := d.Machines * d.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
d.Hosts = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "skeleton":
conf := app.ConfigSkeleton{}
app.ReadTomlConfig(&conf, localConfig)
app.ReadTomlConfig(&conf, appConfig)
conf.Tree = graphs.CreateLocalTree(d.Hosts, conf.Bf)
conf.Hosts = d.Hosts
dbg.Lvl2("Total hosts / depth:", len(conf.Hosts), graphs.Depth(conf.Tree))
total := d.Machines * d.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
d.Hosts = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "shamir":
conf := app.ConfigShamir{}
app.ReadTomlConfig(&conf, localConfig)
app.ReadTomlConfig(&conf, appConfig)
//_, conf.Hosts, _, _ = graphs.TreeFromList(d.Hosts, len(d.Hosts), 1)
//d.Hosts = conf.Hosts
dbg.Lvl4("Localhost: graphs.Tree for shamir", conf.Hosts)
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "naive":
conf := app.NaiveConfig{}
app.ReadTomlConfig(&conf, localConfig)
app.ReadTomlConfig(&conf, appConfig)
dbg.Lvl4("Localhost: naive applications:", conf.Hosts)
app.WriteTomlConfig(conf, appConfig)
case "ntree":
conf := app.NTreeConfig{}
app.ReadTomlConfig(&conf, localConfig)
app.ReadTomlConfig(&conf, appConfig)
conf.Tree = graphs.CreateLocalTree(d.Hosts, conf.Bf)
conf.Hosts = d.Hosts
dbg.Lvl3("Localhost: naive Tree applications:", conf.Hosts)
d.Hosts = conf.Hosts
app.WriteTomlConfig(conf, appConfig)
case "randhound":
}
//app.WriteTomlConfig(d, defaultConfigName, d.RunDir)
debug := reflect.ValueOf(d).Elem().FieldByName("Debug")
if debug.IsValid() {
dbg.DebugVisible = debug.Interface().(int)
}
dbg.Lvl2("Localhost: Done deploying")
return nil
}