Migrate cameradar server to cameradar-app repo

This commit is contained in:
Brendan Le Glaunec
2018-02-18 19:18:05 +01:00
parent b909643c21
commit 20daf73371
14 changed files with 9 additions and 827 deletions
Generated
+9 -14
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@@ -1,4 +1,11 @@
# This fils is autogenerated, do not edit; changes may be undone by the next 'dep ensure'. # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
branch = "master"
name = "github.com/Ullaakut/cameradar"
packages = ["."]
revision = "7711e34b5c437adc438ab1bbb4b5c633177a4799"
[[projects]] [[projects]]
branch = "master" branch = "master"
@@ -48,12 +55,6 @@
revision = "b32fa301c9fe55953584134cb6853a13c87ec0a1" revision = "b32fa301c9fe55953584134cb6853a13c87ec0a1"
version = "v0.16.0" version = "v0.16.0"
[[projects]]
name = "github.com/gorilla/websocket"
packages = ["."]
revision = "ea4d1f681babbce9545c9c5f3d5194a789c89f5b"
version = "v1.2.0"
[[projects]] [[projects]]
branch = "master" branch = "master"
name = "github.com/hashicorp/hcl" name = "github.com/hashicorp/hcl"
@@ -204,12 +205,6 @@
revision = "48a433ba4bcadc5be9aa16d4bdcb383d3f57a741" revision = "48a433ba4bcadc5be9aa16d4bdcb383d3f57a741"
version = "v9.9.3" version = "v9.9.3"
[[projects]]
name = "gopkg.in/tylerb/graceful.v1"
packages = ["."]
revision = "4654dfbb6ad53cb5e27f37d99b02e16c1872fbbb"
version = "v1.2.15"
[[projects]] [[projects]]
branch = "v2" branch = "v2"
name = "gopkg.in/yaml.v2" name = "gopkg.in/yaml.v2"
@@ -219,6 +214,6 @@
[solve-meta] [solve-meta]
analyzer-name = "dep" analyzer-name = "dep"
analyzer-version = 1 analyzer-version = 1
inputs-digest = "b24f286ed09dfd5eb04e811c87c97622e76a8b906bac611119f4bfa2b300b537" inputs-digest = "8edbf6b1ec61fc8dae79000a7ccfea2523471e840756e5879421fca896a0d0cb"
solver-name = "gps-cdcl" solver-name = "gps-cdcl"
solver-version = 1 solver-version = 1
-7
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@@ -1,7 +0,0 @@
package actor
// Server is a generic interface for creating a bidirectional
// communication server through websocket.
type Server interface {
Run()
}
-17
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@@ -1,17 +0,0 @@
package server
import (
"net/http"
"github.com/stretchr/testify/mock"
)
// Mock mocks a pubsub actor
type Mock struct {
mock.Mock
}
// Accept mock
func (m *Mock) Accept(w http.ResponseWriter, req *http.Request) {
m.Called(w, req)
}
-69
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@@ -1,69 +0,0 @@
package server
import (
"fmt"
"net/http"
"github.com/Ullaakut/cameradar/server/adaptor"
)
// WebSocket manages server communication using a websocket adaptor
type WebSocket struct {
wsf adaptor.WebSocketFactory
client adaptor.WebSocket
fromClient chan<- string
toClient <-chan string
disconnect chan interface{}
}
// New creates a Server actor that uses a WebSocketFactory
func New(
wsf adaptor.WebSocketFactory,
fromClient chan string,
toClient chan string,
) *WebSocket {
wsServer := &WebSocket{
wsf: wsf,
fromClient: fromClient,
toClient: toClient,
}
return wsServer
}
// Accept a new incoming connection and create a websocket using the factory
func (ws *WebSocket) Accept(w http.ResponseWriter, req *http.Request) {
client, err := ws.wsf.NewIncomingWebSocket(w, req)
if err != nil {
fmt.Printf("cannot accept incoming connection: %v\n", err)
return
}
go ws.readClient(client)
}
func (ws *WebSocket) readClient(client adaptor.WebSocket) {
for {
select {
case message, ok := <-client.Read():
if !ok {
// connection channel closed, disconnect client (in the main routine)
ws.disconnect <- struct{}{}
println("client disconnected")
return
}
// expect text message
msg, ok := message.(string)
if !ok {
fmt.Printf("invalid non-text message: %v\n", message)
return
}
ws.fromClient <- msg
case msg := <-ws.toClient:
client.Write() <- msg
}
}
}
-48
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@@ -1,48 +0,0 @@
package jsonrpc2
import "github.com/Ullaakut/cameradar"
// http://www.jsonrpc.org/specification
const (
ParseError = -32700 // Invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
InvalidRequest = -32600 // The JSON sent is not a valid Request object.
MethodNotFound = -32601 // The method does not exist / is not available.
InvalidParams = -32602 // Invalid method parameter(s).
InternalError = -32603 // Internal JSON-RPC error.
)
const (
// ParseErrorMessage is the message associated with the ParseError error
ParseErrorMessage = "Parse error"
// InvalidRequestMessage is the message associated with the InvalidRequest error
InvalidRequestMessage = "Invalid Request"
// MethodNotFoundMessage is the message associated with the MethodNotFound error
MethodNotFoundMessage = "Method not found"
// InvalidParamsMessage is the message associated with the InvalidParams error
InvalidParamsMessage = "Invalid params"
// InternalErrorMessage is the message associated with the InternalError error
InternalErrorMessage = "Internal error"
)
// Request represents a JSONRPC request
type Request struct {
JSONRPC string `json:"jsonrpc" validate:"eq=2.0"`
Method string `json:"method" validate:"required"`
Params cmrdr.Options `json:"params" validate:"required"`
ID string `json:"id"`
}
// Response represents a JSONRPC response
type Response struct {
JSONRPC string `json:"jsonrpc" validate:"eq=2.0"`
Result []cmrdr.Stream `json:"result"`
Error Error `json:"error"`
ID string `json:"id"`
}
// Error represents a JSONRPC response's error
type Error struct {
Code int `json:"code"`
Message string `json:"message"`
Data string `json:"data"`
}
-8
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@@ -1,8 +0,0 @@
package adaptor
// WebSocket is an interface that represents an authenticated websocket connection
type WebSocket interface {
AccessToken() string
Read() <-chan interface{}
Write() chan<- interface{}
}
-33
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@@ -1,33 +0,0 @@
package websocket
import (
"net/http"
"github.com/Ullaakut/cameradar/server/adaptor"
"github.com/stretchr/testify/mock"
)
// FactoryMock mocks a websocket factory
type FactoryMock struct {
mock.Mock
}
// NewIncomingWebSocket mocks the creation of a websocket adaptor
func (m *FactoryMock) NewIncomingWebSocket(
w http.ResponseWriter,
req *http.Request,
) (adaptor.WebSocket, error) {
args := m.Called(w, req)
return args.Get(0).(adaptor.WebSocket), args.Error(1)
}
// NewWebSocket mocks the creation of a websocket adaptor
func (m *FactoryMock) NewWebSocket(url string) (adaptor.WebSocket, error) {
args := m.Called(url)
ws := args.Get(0)
if ws != nil {
return ws.(adaptor.WebSocket), args.Error(1)
}
return nil, args.Error(1)
}
-107
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@@ -1,107 +0,0 @@
package websocket
import (
"fmt"
"time"
gorilla "github.com/gorilla/websocket"
)
// Gorilla implements WebSocket interface using Gorilla library
type Gorilla struct {
conn *gorilla.Conn
accessToken string
input chan interface{}
output chan interface{}
}
// AccessToken returns the user authentication token
func (g *Gorilla) AccessToken() string {
return g.accessToken
}
// Write return a chan to retrieve websocket inputs
func (g *Gorilla) Read() <-chan interface{} {
return g.input
}
// Write returns a chan to write on websocket
func (g *Gorilla) Write() chan<- interface{} {
return g.output
}
func (g *Gorilla) read(readLimit int64, pongWait time.Duration) {
defer (func() {
g.conn.Close()
close(g.input)
})()
// setup read to timeout if no pong is received after `pongWait`
g.conn.SetReadDeadline(time.Now().Add(pongWait))
g.conn.SetPongHandler(func(string) error {
g.conn.SetReadDeadline(time.Now().Add(pongWait))
return nil
})
g.conn.SetReadLimit(readLimit)
for {
messageType, message, err := g.conn.ReadMessage()
if err != nil {
if _, ok := err.(*gorilla.CloseError); ok {
fmt.Printf("ws connection closed from %v (%v)\n", g.conn.RemoteAddr(), err)
} else {
// most of the time, a read error is not an error (connection closed, ...)
fmt.Printf("ws read error: %v\n", err)
}
break
}
switch messageType {
case gorilla.TextMessage:
g.input <- string(message)
case gorilla.BinaryMessage:
g.input <- message
default:
fmt.Printf("received invalid message type: %v\n", messageType)
}
}
}
func (g *Gorilla) pingAndWrite(pingInterval time.Duration) {
defer g.conn.Close()
pinger := time.NewTicker(pingInterval)
for {
select {
case <-pinger.C:
if err := g.conn.WriteMessage(gorilla.PingMessage, []byte{}); err != nil {
fmt.Printf("ping write error: %v\n", err)
return
}
case message, ok := <-g.output:
if !ok {
// chan closed, stop write routine
return
}
var err error
switch msg := message.(type) {
case []byte:
err = g.conn.WriteMessage(gorilla.BinaryMessage, msg)
case string:
err = g.conn.WriteMessage(gorilla.TextMessage, []byte(msg))
default:
err = fmt.Errorf("invalid message type: %T", msg)
}
if err != nil {
fmt.Printf("write error: %v\n", err)
return
}
}
}
}
-120
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@@ -1,120 +0,0 @@
package websocket
import (
"fmt"
"net/http"
"time"
"github.com/Ullaakut/cameradar/server/adaptor"
gorilla "github.com/gorilla/websocket"
"github.com/pkg/errors"
)
// GorillaFactory is a websocket Factory using Gorilla websocket client
type GorillaFactory struct {
readLimit int64
pingInterval time.Duration
pongWait time.Duration
writeChanBufferSize uint
upgrader gorilla.Upgrader
}
// NewGorillaFactory instantiates and returns a Gorilla Factory
func NewGorillaFactory(options ...func(*GorillaFactory)) *GorillaFactory {
gf := &GorillaFactory{
// readLimit: default to 1MB
readLimit: 1024 * 1024,
pingInterval: 5 * time.Second,
pongWait: 10 * time.Second,
// allow about 1 frame per grid cell to be buffered (grids contain about ~16 cameras)
// NOTE: this should be about the same size as the number of subcriptions the client has
writeChanBufferSize: 20,
// default upgrader: don't check requests origin
upgrader: gorilla.Upgrader{
CheckOrigin: func(r *http.Request) bool { return true },
},
}
// apply the options to the struct
for _, option := range options {
option(gf)
}
return gf
}
// NewIncomingWebSocket instantiates a Gorilla websocket from an http incoming connection
func (gf *GorillaFactory) NewIncomingWebSocket(w http.ResponseWriter, req *http.Request) (adaptor.WebSocket, error) {
fmt.Printf("new ws connection from %v\n", req.RemoteAddr)
// create WS connection
conn, err := gf.upgrader.Upgrade(w, req, nil)
if err != nil {
return nil, errors.Wrap(err, "cannot upgrade ws connection")
}
g := &Gorilla{
conn: conn,
accessToken: req.Header.Get("Sec-WebSocket-Protocol"),
input: make(chan interface{}),
output: make(chan interface{}, gf.writeChanBufferSize),
}
go g.pingAndWrite(gf.pingInterval)
go g.read(gf.readLimit, gf.pongWait)
return g, nil
}
// NewWebSocket attempts to connect to a ws server using Gorilla library
func (gf *GorillaFactory) NewWebSocket(url string) (adaptor.WebSocket, error) {
fmt.Printf("opening new ws connection to %v\n", url)
// create WS connection
conn, _, err := gorilla.DefaultDialer.Dial(url, nil)
if err != nil {
return nil, errors.Wrap(err, "cannot open ws connection")
}
g := &Gorilla{
conn: conn,
input: make(chan interface{}),
output: make(chan interface{}, gf.writeChanBufferSize),
}
go g.pingAndWrite(gf.pingInterval)
go g.read(gf.readLimit, gf.pongWait)
return g, nil
}
// SetReadLimit sets the maximum size read from an incoming message
func SetReadLimit(limit int64) func(gf *GorillaFactory) {
return func(gf *GorillaFactory) {
gf.readLimit = limit
}
}
// SetPingInterval sets the interval between pings
func SetPingInterval(interval time.Duration) func(gf *GorillaFactory) {
return func(gf *GorillaFactory) {
gf.pingInterval = interval
}
}
// SetPongWait sets the time before read should timeout if no pong is received
func SetPongWait(pongWait time.Duration) func(gf *GorillaFactory) {
return func(gf *GorillaFactory) {
gf.pongWait = pongWait
}
}
// SetWriteChanBufferSize sets the buffer size of the write channel
func SetWriteChanBufferSize(size uint) func(gf *GorillaFactory) {
return func(gf *GorillaFactory) {
gf.writeChanBufferSize = size
}
}
-62
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@@ -1,62 +0,0 @@
package websocket
import (
"github.com/stretchr/testify/mock"
)
// Mock mocks a websocket adaptor
type Mock struct {
mock.Mock
Token string
ReadChan chan interface{}
WriteChan chan interface{}
}
// NewMock create a new websocket adaptor mock, with helper read/write
// chans already created
func NewMock(accessToken string, writeChanBuffer uint) *Mock {
return &Mock{
Token: accessToken,
ReadChan: make(chan interface{}),
WriteChan: make(chan interface{}, writeChanBuffer),
}
}
// AccessToken mocks token getter
func (m *Mock) AccessToken() string {
args := m.Called()
return args.String(0)
}
// OnAccessToken is a helper method to setup an "AccessToken()" handler
// with the mock accessToken
func (m *Mock) OnAccessToken() *mock.Call {
return m.On("AccessToken").Return(m.Token)
}
// Read mocks read channel getter
func (m *Mock) Read() <-chan interface{} {
args := m.Called()
return args.Get(0).(<-chan interface{})
}
// OnRead is a helper method to setup a "Read()" handler
// with the mock readChan
func (m *Mock) OnRead() *mock.Call {
var readOnlyChan <-chan interface{} = m.ReadChan
return m.On("Read").Return(readOnlyChan)
}
// Write mocks write channel getter
func (m *Mock) Write() chan<- interface{} {
args := m.Called()
return args.Get(0).(chan<- interface{})
}
// OnWrite is a helper method to setup a "Write()" handler
// with the mock writeChan
func (m *Mock) OnWrite() *mock.Call {
var writeOnlyChan chan<- interface{} = m.WriteChan
return m.On("Write").Return(writeOnlyChan)
}
-9
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@@ -1,9 +0,0 @@
package adaptor
import "net/http"
// WebSocketFactory is an interface for creating generic websocket connections
type WebSocketFactory interface {
NewIncomingWebSocket(w http.ResponseWriter, req *http.Request) (WebSocket, error)
NewWebSocket(url string) (WebSocket, error)
}
-50
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@@ -1,50 +0,0 @@
package main
import (
"fmt"
"net/http"
"os"
"github.com/Ullaakut/cameradar/server/actor/server"
"github.com/Ullaakut/cameradar/server/adaptor/websocket"
"github.com/Ullaakut/cameradar/server/service"
graceful "gopkg.in/tylerb/graceful.v1"
)
func main() {
webSocketFactory := websocket.NewGorillaFactory()
fromClient := make(chan string)
toClient := make(chan string)
server := server.New(webSocketFactory, fromClient, toClient)
_, err := service.New(
"/Users/ullaakut/Work/go/src/github.com/Ullaakut/cameradar/dictionaries/routes",
"/Users/ullaakut/Work/go/src/github.com/Ullaakut/cameradar/dictionaries/credentials.json",
fromClient,
toClient,
)
if err != nil {
fmt.Printf("could not start service: %v", err)
os.Exit(1)
}
// create and setup the http server
serverMux := http.NewServeMux()
serverMux.HandleFunc("/", server.Accept)
httpServer := &graceful.Server{
NoSignalHandling: true,
Server: &http.Server{
Addr: fmt.Sprintf("%v:%v", "0.0.0.0", 7000),
Handler: serverMux,
},
}
fmt.Printf("cameradar server listening on %v\n", httpServer.Addr)
err = httpServer.ListenAndServe()
if err != nil {
fmt.Printf("could not start server: %v\n", err)
os.Exit(1)
}
}
-137
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@@ -1,137 +0,0 @@
package service
import (
"encoding/json"
"fmt"
"github.com/Ullaakut/cameradar"
"github.com/Ullaakut/cameradar/server/adaptor/jsonrpc2"
v "gopkg.in/go-playground/validator.v9"
)
func (c *Cameradar) handleRequest(message string) {
var ret []cmrdr.Stream
var JSONRPCErr jsonrpc2.Error
var request jsonrpc2.Request
err := json.Unmarshal([]byte(message), &request)
if err != nil {
JSONRPCErr = jsonrpc2.Error{
Code: jsonrpc2.ParseError,
Message: jsonrpc2.ParseErrorMessage,
Data: err.Error(),
}
c.respondToClient(ret, "", JSONRPCErr)
return
}
validate := v.New()
err = validate.Struct(request)
if err != nil {
JSONRPCErr = jsonrpc2.Error{
Code: jsonrpc2.InvalidRequest,
Message: jsonrpc2.InvalidRequestMessage,
Data: err.Error(),
}
c.respondToClient(ret, request.ID, JSONRPCErr)
return
}
c.SetOptions(request.Params)
switch request.Method {
case "discover":
ret, err = c.Discover()
case "attack_credentials":
ret, err = c.AttackCredentials()
case "attack_route":
ret, err = c.AttackRoute()
case "discover_and_attack":
c.discoverAndAttack(request.ID)
return
default:
JSONRPCErr = jsonrpc2.Error{
Code: jsonrpc2.MethodNotFound,
Message: jsonrpc2.MethodNotFoundMessage,
Data: "method" + request.Method + "not found",
}
}
if err != nil {
JSONRPCErr = jsonrpc2.Error{
Code: jsonrpc2.InternalError,
Message: jsonrpc2.InternalErrorMessage,
Data: err.Error(),
}
}
c.respondToClient(ret, request.ID, JSONRPCErr)
}
func (c *Cameradar) discoverAndAttack(ID string) {
var JSONRPCErr jsonrpc2.Error
streams, err := c.Discover()
if err != nil {
c.respondToClient(streams, ID, jsonrpc2.Error{
Code: jsonrpc2.InternalError,
Message: jsonrpc2.InternalErrorMessage,
Data: err.Error(),
})
return
}
c.respondToClient(streams, ID, JSONRPCErr)
streams, err = c.AttackRoute()
if err != nil {
c.respondToClient(streams, ID, jsonrpc2.Error{
Code: jsonrpc2.InternalError,
Message: jsonrpc2.InternalErrorMessage,
Data: err.Error(),
})
return
}
c.respondToClient(streams, ID, JSONRPCErr)
streams, err = c.AttackCredentials()
if err != nil {
c.respondToClient(streams, ID, jsonrpc2.Error{
Code: jsonrpc2.InternalError,
Message: jsonrpc2.InternalErrorMessage,
Data: err.Error(),
})
return
}
c.respondToClient(streams, ID, JSONRPCErr)
for _, stream := range streams {
if stream.RouteFound == false {
streams, err = c.AttackCredentials()
if err != nil {
c.respondToClient(streams, ID, jsonrpc2.Error{
Code: jsonrpc2.InternalError,
Message: jsonrpc2.InternalErrorMessage,
Data: err.Error(),
})
return
}
c.respondToClient(streams, ID, JSONRPCErr)
return
}
}
}
func (c *Cameradar) respondToClient(result []cmrdr.Stream, ID string, JSONRPCErr jsonrpc2.Error) {
r := jsonrpc2.Response{
JSONRPC: "2.0",
Result: result,
Error: JSONRPCErr,
ID: ID,
}
response, err := json.Marshal(r)
if err != nil {
c.toClient <- "{\"jsonrpc\": \"2.0\",\"result\":null,\"error\":{\"code\":" + fmt.Sprint(jsonrpc2.InternalError) + ",\"" + jsonrpc2.InternalErrorMessage + "\",\"data\":\"could not marshal response\"},\"id\":\"" + ID + "\"}"
}
c.toClient <- string(response)
}
-146
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@@ -1,146 +0,0 @@
package service
import (
"fmt"
"time"
"github.com/Ullaakut/cameradar"
"github.com/pkg/errors"
)
// Cameradar is the service in charge of communicating with the GUI
type Cameradar struct {
Streams []cmrdr.Stream
options *cmrdr.Options
toClient chan<- string
fromClient <-chan string
}
// New instanciates a new Cameradar service
func New(routesFilePath, credentialsFilePath string, fromClient <-chan string, toClient chan<- string) (*Cameradar, error) {
routes, err := cmrdr.LoadRoutes(routesFilePath)
if err != nil {
return nil, errors.Wrap(err, "can't load routes dictionary")
}
credentials, err := cmrdr.LoadCredentials(credentialsFilePath)
if err != nil {
return nil, errors.Wrap(err, "can't load credentials dictionary")
}
cameradar := &Cameradar{
Streams: nil,
options: &cmrdr.Options{
Ports: "554,8554",
Routes: routes,
Credentials: credentials,
OutputFile: "/tmp/cameradar_nmap_result.xml",
Speed: 4,
Timeout: 2000,
},
fromClient: fromClient,
toClient: toClient,
}
go cameradar.Run()
return cameradar, nil
}
// Run launches the service that will automatically call the service methods
// using the instructions received over websocket
func (c *Cameradar) Run() {
for {
msg := <-c.fromClient
go c.handleRequest(msg)
}
}
// Discover launches a Cameradar scan using the service's options
func (c *Cameradar) Discover() ([]cmrdr.Stream, error) {
streams, err := cmrdr.Discover(c.options.Target, c.options.Ports, c.options.OutputFile, c.options.Speed, true)
if err != nil {
return streams, errors.Wrap(err, "could not discover streams")
}
c.Streams = streams
return streams, nil
}
// AttackRoute launches a Cameradar route attack using the service's options
func (c *Cameradar) AttackRoute() ([]cmrdr.Stream, error) {
streams, err := cmrdr.AttackRoute(c.Streams, c.options.Routes, c.options.Timeout, true)
if err != nil {
return streams, errors.Wrap(err, "could not discover streams")
}
c.Streams = streams
return streams, nil
}
// AttackCredentials launches a Cameradar credential attack using the service's options
func (c *Cameradar) AttackCredentials() ([]cmrdr.Stream, error) {
streams, err := cmrdr.AttackCredentials(c.Streams, c.options.Credentials, c.options.Timeout, true)
if err != nil {
return streams, errors.Wrap(err, "could not discover streams")
}
c.Streams = streams
return streams, nil
}
// SetOptions sets all options using an option structure
func (c *Cameradar) SetOptions(options cmrdr.Options) {
c.options.Target = options.Target
if len(options.Ports) > 0 {
c.options.Ports = options.Ports
}
if len(options.OutputFile) > 0 {
c.options.OutputFile = options.OutputFile
}
// TODO: Add custom dictionary support through ws
c.SetSpeed(options.Speed)
c.SetTimeout(options.Timeout)
}
// SetNmapOutputFile sets the OutputFile option
func (c *Cameradar) SetNmapOutputFile(path string) {
c.options.OutputFile = path
}
// SetRoutes overwrites the routes dictionary with new values
func (c *Cameradar) SetRoutes(routes string) {
c.options.Routes = cmrdr.ParseRoutesFromString(routes)
}
// SetCredentials overwrites the routes dictionary with new values
func (c *Cameradar) SetCredentials(credentials string) error {
newCredentials, err := cmrdr.ParseCredentialsFromString(credentials)
if err != nil {
return errors.Wrap(err, "could not decode credentials")
}
c.options.Credentials = newCredentials
return nil
}
// SetSpeed sets the Speed option
func (c *Cameradar) SetSpeed(speed int) error {
if speed < cmrdr.PARANOIAC || speed > cmrdr.INSANE {
return fmt.Errorf("invalid speed value '%d'. should be between '%d' and '%d'", speed, cmrdr.PARANOIAC, cmrdr.INSANE)
}
c.options.Speed = speed
return nil
}
// SetTimeout sets the Timeout option
func (c *Cameradar) SetTimeout(timeout time.Duration) error {
if timeout < 0 {
return fmt.Errorf("invalid timeout value '%d'. should be superior to 0", timeout)
}
c.options.Timeout = time.Millisecond * time.Duration(timeout)
return nil
}