Ejemplo n.º 1
0
// processNewAction is called when a new action is available. It pulls
// the action from the directory, parse it, retrieve a list of targets from
// the backend database, and create individual command for each target.
func processNewAction(actionPath string, ctx Context) (err error) {
	var ea mig.ExtendedAction
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("processNewAction() -> %v", e)
		}
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: ea.Action.ID, Desc: "leaving processNewAction()"}.Debug()
	}()

	// load the action file
	a, err := mig.ActionFromFile(actionPath)
	if err != nil {
		panic(err)
	}
	ea.Action = a

	ea.StartTime = time.Now()

	// generate an action id
	if ea.Action.ID < 1 {
		ea.Action.ID = mig.GenID()
	}

	desc := fmt.Sprintf("new action received: Name='%s' Target='%s' ValidFrom='%s' ExpireAfter='%s'",
		ea.Action.Name, ea.Action.Target, ea.Action.ValidFrom, ea.Action.ExpireAfter)
	ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: ea.Action.ID, Desc: desc}

	// TODO: replace with action.Validate(), to include signature verification
	if time.Now().Before(ea.Action.ValidFrom) {
		// queue new action
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: ea.Action.ID, Desc: fmt.Sprintf("action '%s' not ready for scheduling", ea.Action.Name)}
		return
	}
	if time.Now().After(ea.Action.ExpireAfter) {
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: ea.Action.ID, Desc: fmt.Sprintf("removing expired action '%s'", ea.Action.Name)}
		// delete expired action
		os.Remove(actionPath)
		return
	}

	// expand the action in one command per agent
	ea.CommandIDs, err = prepareCommands(ea.Action, ctx)
	if err != nil {
		panic(err)
	}

	// move action to Fly-ing state
	ea.Status = "inflight"
	ea.Counters.Sent = len(ea.CommandIDs)
	err = flyAction(ctx, ea, actionPath)
	if err != nil {
		panic(err)
	}

	return
}
Ejemplo n.º 2
0
func main() {
	// parse command line argument
	// -m selects the mode {agent, filechecker, ...}
	var mode = flag.String("m", "agent", "Module to run (eg. agent, filechecker).")
	var file = flag.String("i", "/path/to/file", "Load action from file")
	var foreground = flag.Bool("f", false, "Agent will run in background by default. Except if this flag is set, or if LOGGING.Mode is stdout. All other modules run in foreground by default.")
	flag.Parse()

	// run the agent, and exit when done
	if *mode == "agent" && *file == "/path/to/file" {
		err := runAgent(*foreground)
		if err != nil {
			panic(err)
		}
		os.Exit(0)
	}

	// outside of agent mode, parse and run modules
	if *file != "/path/to/file" {
		// get input data from file
		action, err := mig.ActionFromFile(*file)
		if err != nil {
			panic(err)
		}

		// launch each operation consecutively
		for _, op := range action.Operations {
			args, err := json.Marshal(op.Parameters)
			if err != nil {
				panic(err)
			}
			runModuleDirectly(op.Module, args)
		}
	} else {
		// without an input file, use the mode from the command line
		var tmparg string
		for _, arg := range flag.Args() {
			tmparg = tmparg + arg
		}
		args := []byte(tmparg)
		runModuleDirectly(*mode, args)
	}

}
Ejemplo n.º 3
0
// loadNewActionsFromSpool walks through the new actions spool and loads the actions
// that are passed their scheduled date. It also deletes expired actions.
func loadNewActionsFromSpool(ctx Context) (err error) {
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("loadNewActionsFromSpool() -> %v", e)
		}
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, Desc: "leaving loadNewActionsFromSpool()"}.Debug()
	}()
	dir, err := os.Open(ctx.Directories.Action.New)
	dirContent, err := dir.Readdir(-1)
	if err != nil {
		panic(err)
	}
	// loop over the content of the directory
	for _, DirEntry := range dirContent {
		if !DirEntry.Mode().IsRegular() {
			// ignore non file
			continue
		}
		filename := ctx.Directories.Action.New + "/" + DirEntry.Name()
		err := waitForFileOrDelete(filename, 3)
		if err != nil {
			ctx.Channels.Log <- mig.Log{Desc: fmt.Sprintf("error while reading '%s': %v", filename, err)}.Err()
			continue
		}
		a, err := mig.ActionFromFile(filename)
		if err != nil {
			// failing to load this file, log and skip it
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, Desc: fmt.Sprintf("failed to load new action file %s", filename)}.Err()
			continue
		}
		if time.Now().After(a.ExpireAfter) {
			// delete expired
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: a.ID, Desc: fmt.Sprintf("removing expired action '%s'", a.Name)}
			os.Remove(filename)
		} else if time.Now().After(a.ValidFrom) {
			// queue it
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: a.ID, Desc: fmt.Sprintf("scheduling action '%s'", a.Name)}
			ctx.Channels.NewAction <- filename
		}
	}
	dir.Close()
	return
}
Ejemplo n.º 4
0
func main() {
	var a2 mig.Action
	a, err := mig.ActionFromFile(os.Args[1])
	if err != nil {
		panic(err)
	}
	a2 = a
	a2.SyntaxVersion = 2
	for i, op := range a.Operations {
		if op.Module == "filechecker" {
			input, err := json.Marshal(op.Parameters)
			if err != nil {
				panic(err)
			}
			a2.Operations[i].Parameters = filechecker.ConvertParametersV1toV2(input)
		}
	}
	out, err := json.Marshal(a2)
	if err != nil {
		panic(err)
	}
	fmt.Printf("%s\n", out)
}
Ejemplo n.º 5
0
// loadScheduledActions walks through the new actions directories and load the actions
// that are passed their scheduled date. It also delete expired actions.
func checkNewActions(ctx Context) (err error) {
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("checkNewActions() -> %v", e)
		}
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, Desc: "leaving checkNewActions()"}.Debug()
	}()
	dir, err := os.Open(ctx.Directories.Action.New)
	dirContent, err := dir.Readdir(-1)
	if err != nil {
		panic(err)
	}
	// loop over the content of the directory
	for _, DirEntry := range dirContent {
		if !DirEntry.Mode().IsRegular() {
			// ignore non file
			continue
		}
		filename := ctx.Directories.Action.New + "/" + DirEntry.Name()
		a, err := mig.ActionFromFile(filename)
		if err != nil {
			panic(err)
		}
		if time.Now().After(a.ValidFrom) {
			// queue new action
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: a.ID, Desc: fmt.Sprintf("scheduling action '%s'", a.Name)}
			ctx.Channels.NewAction <- filename
		}
		if time.Now().After(a.ExpireAfter) {
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: a.ID, Desc: fmt.Sprintf("removing expired action '%s'", a.Name)}
			// delete expired action
			os.Remove(filename)
		}
	}
	dir.Close()
	return
}
Ejemplo n.º 6
0
func main() {
	var err error
	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Verifier\n"+
				"usage: %s <-a action file> <-c command file>\n\n"+
				"Command line to verify an action *or* command.\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	hasaction := false
	hascommand := false

	// command line options
	var actionfile = flag.String("a", "/path/to/action", "Load action from file")
	var commandfile = flag.String("c", "/path/to/command", "Load command from file")
	var pubring = flag.String("pubring", "/path/to/pubring", "Use pubring at <path>")
	flag.Parse()

	// if a file is defined, load action from that
	if *actionfile != "/path/to/action" {
		hasaction = true
	}
	if *commandfile != "/path/to/command" {
		hascommand = true
	}
	if (hasaction && hascommand) || (!hasaction && !hascommand) {
		Usage()
		panic(err)
	}

	var a mig.Action
	if hasaction {
		a, err = mig.ActionFromFile(*actionfile)
		if err != nil {
			panic(err)
		}
	} else {
		c, err := mig.CmdFromFile(*commandfile)
		if err != nil {
			panic(err)
		}
		a = c.Action
	}

	fmt.Printf("%s\n", a)
	err = a.Validate()
	if err != nil {
		fmt.Println(err)
	}

	// find keyring in default location
	u, err := user.Current()
	if err != nil {
		panic(err)
	}

	if *pubring != "/path/to/pubring" {
		// load keyring
		var gnupghome string
		gnupghome = os.Getenv("GNUPGHOME")
		if gnupghome == "" {
			gnupghome = "/.gnupg"
		}
		*pubring = u.HomeDir + gnupghome + "/pubring.gpg"
	}
	keyring, err := os.Open(*pubring)
	if err != nil {
		panic(err)
	}
	defer keyring.Close()

	// syntax checking
	err = a.VerifySignatures(keyring)
	if err != nil {
		panic(err)
	}

	fmt.Println("Valid signature")

}
Ejemplo n.º 7
0
// actionLauncher prepares an action for launch, either by starting with an empty
// template, or by loading an existing action from the api or the local disk
func actionLauncher(tpl mig.Action, ctx Context) (err error) {
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("actionLauncher() -> %v", e)
		}
	}()
	var a mig.Action
	if tpl.ID == 0 {
		fmt.Println("Entering action launcher with empty template")
		a.SyntaxVersion = mig.ActionVersion
	} else {
		// reinit the fields that we don't reuse
		a.Name = tpl.Name
		a.Target = tpl.Target
		a.Description = tpl.Description
		a.Threat = tpl.Threat
		a.Operations = tpl.Operations
		a.SyntaxVersion = tpl.SyntaxVersion
		fmt.Printf("Entering action launcher using template '%s'\n", a.Name)
	}
	hasTimes := false
	hasSignatures := false

	fmt.Println("Type \x1b[32;1mexit\x1b[0m or press \x1b[32;1mctrl+d\x1b[0m to leave. \x1b[32;1mhelp\x1b[0m may help.")
	prompt := "\x1b[33;1mlauncher>\x1b[0m "
	for {
		// completion
		var symbols = []string{"addoperation", "deloperation", "exit", "help", "init",
			"json", "launch", "load", "details", "filechecker", "netstat",
			"setname", "settarget", "settimes", "sign", "times"}
		readline.Completer = func(query, ctx string) []string {
			var res []string
			for _, sym := range symbols {
				if strings.HasPrefix(sym, query) {
					res = append(res, sym)
				}
			}
			return res
		}

		input, err := readline.String(prompt)
		if err == io.EOF {
			break
		}
		if err != nil {
			fmt.Println("error: ", err)
			break
		}
		orders := strings.Split(strings.TrimSpace(input), " ")
		switch orders[0] {
		case "addoperation":
			if len(orders) != 2 {
				fmt.Println("Wrong arguments. Expects 'addoperation <module_name>'")
				fmt.Println("example: addoperation filechecker")
				break
			}
			// attempt to call ParamsCreator from the requested module
			// ParamsCreator takes care of retrieving using input
			var operation mig.Operation
			operation.Module = orders[1]
			if _, ok := mig.AvailableModules[operation.Module]; ok {
				// instanciate and call module parameters creation function
				modRunner := mig.AvailableModules[operation.Module]()
				if _, ok := modRunner.(mig.HasParamsCreator); !ok {
					fmt.Println(operation.Module, "module does not provide a parameters creator.")
					fmt.Println("You can write your action by hand and import it using 'load <file>'")
					break
				}
				operation.Parameters, err = modRunner.(mig.HasParamsCreator).ParamsCreator()
				if err != nil {
					fmt.Printf("Parameters creation failed with error: %v\n", err)
					break
				}
				a.Operations = append(a.Operations, operation)
				opjson, err := json.MarshalIndent(operation, "", "  ")
				if err != nil {
					panic(err)
				}
				fmt.Printf("Inserting %s operation with parameters:\n%s\n", operation.Module, opjson)
			} else {
				fmt.Println("Module", operation.Module, "is not available in this console...")
				fmt.Println("You can write your action by hand and import it using 'load <file>'")
			}
		case "deloperation":
			if len(orders) != 2 {
				fmt.Println("Wrong arguments. Expects 'deloperation <opnum>'")
				fmt.Println("example: deloperation 0")
				break
			}
			opnum, err := strconv.Atoi(orders[1])
			if err != nil || opnum < 0 || opnum > len(a.Operations)-1 {
				fmt.Println("error: <opnum> must be a positive integer between 0 and", len(a.Operations)-1)
				break
			}
			a.Operations = append(a.Operations[:opnum], a.Operations[opnum+1:]...)
		case "details":
			fmt.Printf("ID       %.0f\nName     %s\nTarget   %s\nAuthor   %s <%s>\n"+
				"Revision %.0f\nURL      %s\nThreat Type %s, Level %s, Family %s, Reference %s\n",
				a.ID, a.Name, a.Target, a.Description.Author, a.Description.Email,
				a.Description.Revision, a.Description.URL,
				a.Threat.Type, a.Threat.Level, a.Threat.Family, a.Threat.Ref)
			fmt.Printf("%d operations: ", len(a.Operations))
			for i, op := range a.Operations {
				fmt.Printf("%d=%s; ", i, op.Module)
			}
			fmt.Printf("\n")
		case "exit":
			fmt.Printf("exit\n")
			goto exit
		case "help":
			fmt.Printf(`The following orders are available:
addoperation <module>	append a new operation of type <module> to the action operations
deloperation <opnum>	remove operation numbered <opnum> from operations array, count starts at zero
details			display the action details
exit			exit this mode
help			show this help
json <pretty>		show the json of the action
launch <nofollow>	launch the action. to return before completion, add "nofollow"
load <path>		load an action from a file at <path>
setname <name>		set the name of the action
settarget <target>	set the target
settimes <start> <stop>	set the validity and expiration dates
sign			PGP sign the action
times			show the various timestamps of the action
`)
		case "json":
			ajson, err := json.MarshalIndent(a, "", "  ")
			if err != nil {
				panic(err)
			}
			fmt.Printf("%s\n", ajson)
		case "launch":
			follow := true
			if len(orders) > 1 {
				if orders[1] == "nofollow" {
					follow = false
				} else {
					fmt.Printf("Unknown option '%s'\n", orders[1])
				}
			}
			if a.Name == "" {
				fmt.Println("Action has no name. Define one using 'setname <name>'")
				break
			}
			if a.Target == "" {
				fmt.Println("Action has no target. Define one using 'settarget <target>'")
				break
			}
			if !hasTimes {
				fmt.Printf("Times are not defined. Setting validity from now until +%s\n", defaultExpiration)
				// for immediate execution, set validity one minute in the past
				a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
				period, err := time.ParseDuration(defaultExpiration)
				if err != nil {
					panic(err)
				}
				a.ExpireAfter = a.ValidFrom.Add(period)
				a.ExpireAfter = a.ExpireAfter.Add(60 * time.Second).UTC()
				hasTimes = true
			}
			if !hasSignatures {
				pgpsig, err := computeSignature(a, ctx)
				if err != nil {
					panic(err)
				}
				a.PGPSignatures = append(a.PGPSignatures, pgpsig)
				hasSignatures = true
			}
			a, err = postAction(a, follow, ctx)
			if err != nil {
				panic(err)
			}
			fmt.Println("")
			_ = actionReader(fmt.Sprintf("action %.0f", a.ID), ctx)
			goto exit
		case "load":
			if len(orders) != 2 {
				fmt.Println("Wrong arguments. Expects 'load <path_to_file>'")
				break
			}
			a, err = mig.ActionFromFile(orders[1])
			if err != nil {
				panic(err)
			}
			fmt.Printf("Loaded action '%s' from %s\n", a.Name, orders[1])
		case "sign":
			if !hasTimes {
				fmt.Println("Times must be set prior to signing")
				break
			}
			pgpsig, err := computeSignature(a, ctx)
			if err != nil {
				panic(err)
			}
			a.PGPSignatures = append(a.PGPSignatures, pgpsig)
			hasSignatures = true
		case "setname":
			if len(orders) < 2 {
				fmt.Println("Wrong arguments. Must be 'setname <some_name>'")
				break
			}
			a.Name = strings.Join(orders[1:], " ")
		case "settarget":
			if len(orders) < 2 {
				fmt.Println("Wrong arguments. Must be 'settarget <some_target_string>'")
				break
			}
			a.Target = strings.Join(orders[1:], " ")
		case "settimes":
			// set the dates
			if len(orders) != 3 {
				fmt.Println(`Invalid times. Expects settimes <start> <stop.)
examples:
settimes 2014-06-30T12:00:00.0Z 2014-06-30T14:00:00.0Z
settimes now +60m
`)
				break
			}
			if orders[1] == "now" {
				// for immediate execution, set validity one minute in the past
				a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
				period, err := time.ParseDuration(orders[2])
				if err != nil {
					fmt.Println("Failed to parse duration '%s': %v", orders[2], err)
					break
				}
				a.ExpireAfter = a.ValidFrom.Add(period)
				a.ExpireAfter = a.ExpireAfter.Add(60 * time.Second).UTC()
			} else {
				a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", orders[1])
				if err != nil {
					fmt.Println("Failed to parse time '%s': %v", orders[1], err)
					break
				}
				a.ExpireAfter, err = time.Parse("2014-01-01T00:00:00.0Z", orders[2])
				if err != nil {
					fmt.Println("Failed to parse time '%s': %v", orders[2], err)
					break
				}
			}
			hasTimes = true
		case "times":
			fmt.Printf("Valid from   '%s' until '%s'\nStarted on   '%s'\n"+
				"Last updated '%s'\nFinished on  '%s'\n",
				a.ValidFrom, a.ExpireAfter, a.StartTime, a.LastUpdateTime, a.FinishTime)
		case "":
			break
		default:
			fmt.Printf("Unknown order '%s'. You are in action launcher mode. Try `help`.\n", orders[0])
		}
		readline.AddHistory(input)
	}
exit:
	fmt.Printf("\n")
	return
}
Ejemplo n.º 8
0
func main() {

	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Generator\n"+
				"usage: %s -k=<key id> (-i <input file)\n\n"+
				"Command line to generate and sign MIG Actions.\n"+
				"The resulting actions are display on stdout.\n\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	// command line options
	var key = flag.String("k", "key identifier", "Key identifier used to sign the action (ex: B75C2346)")
	var pretty = flag.Bool("p", false, "Print signed action in pretty JSON format")
	var urlencode = flag.Bool("urlencode", false, "URL Encode marshalled JSON before output")
	var posturl = flag.String("posturl", "", "POST action to <url> (enforces urlencode)")
	var file = flag.String("i", "/path/to/file", "Load action from file")
	var validfrom = flag.String("validfrom", "now", "(optional) set an ISO8601 date the action will be valid from. If unset, use 'now'.")
	var expireafter = flag.String("expireafter", "30m", "(optional) set a validity duration for the action. If unset, use '30m'.")
	flag.Parse()

	// We need a key, if none is set on the command line, fail
	if *key == "key identifier" {
		Usage()
		os.Exit(-1)
	}

	var a mig.Action
	var err error

	// if a file is defined, load action from that
	if *file != "/path/to/file" {
		a, err = mig.ActionFromFile(*file)
	} else {
		// otherwise, use interactive mode
		a, err = getActionFromTerminal()
	}
	if err != nil {
		panic(err)
	}

	// set the dates
	if *validfrom == "now" {
		a.ValidFrom = time.Now().UTC()
	} else {
		a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", *validfrom)
		if err != nil {
			panic(err)
		}
	}
	period, err := time.ParseDuration(*expireafter)
	if err != nil {
		log.Fatal(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)

	// compute the signature
	str, err := a.String()
	if err != nil {
		panic(err)
	}
	a.PGPSignature, err = sign.Sign(str, *key)
	if err != nil {
		panic(err)
	}

	a.PGPSignatureDate = time.Now().UTC()

	var jsonAction []byte
	if *pretty {
		jsonAction, err = json.MarshalIndent(a, "", "\t")
	} else {
		jsonAction, err = json.Marshal(a)
	}
	if err != nil {
		panic(err)
	}

	// if asked, url encode the action before marshaling it
	actionstr := string(jsonAction)
	if *urlencode {
		strJsonAction := string(jsonAction)
		actionstr = url.QueryEscape(strJsonAction)
	}

	if *posturl != "" {
		resp, err := http.PostForm(*posturl, url.Values{"action": {actionstr}})
		if err != nil {
			panic(err)
		}
		var buf [512]byte
		reader := resp.Body
		for {
			n, err := reader.Read(buf[0:])
			if err != nil {
				os.Exit(0)
			}
			fmt.Print(string(buf[0:n]))
		}
	}
	// find keyring in default location
	u, err := user.Current()
	if err != nil {
		panic(err)
	}

	// load keyring
	var gnupghome string
	gnupghome = os.Getenv("GNUPGHOME")
	if gnupghome == "" {
		gnupghome = "/.gnupg"
	}
	keyring, err := os.Open(u.HomeDir + gnupghome + "/pubring.gpg")
	if err != nil {
		panic(err)
	}
	defer keyring.Close()

	// syntax checking
	err = a.Validate()
	if err != nil {
		panic(err)
	}

	// syntax checking
	err = a.VerifySignature(keyring)
	if err != nil {
		panic(err)
	}
}
Ejemplo n.º 9
0
// processNewAction is called when a new action is available. It pulls
// the action from the directory, parse it, retrieve a list of targets from
// the backend database, and create individual command for each target.
func processNewAction(actionPath string, ctx Context) (err error) {
	var action mig.Action
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("processNewAction() -> %v", e)
		}
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: "leaving processNewAction()"}.Debug()
	}()
	// load the action file
	action, err = mig.ActionFromFile(actionPath)
	if err != nil {
		panic(err)
	}
	action.StartTime = time.Now()
	// generate an action id
	if action.ID < 1 {
		action.ID = mig.GenID()
	}
	desc := fmt.Sprintf("new action received: Name='%s' Target='%s' ValidFrom='%s' ExpireAfter='%s'",
		action.Name, action.Target, action.ValidFrom, action.ExpireAfter)
	ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: desc}
	// TODO: replace with action.Validate(), to include signature verification
	if time.Now().Before(action.ValidFrom) {
		// queue new action
		desc := fmt.Sprintf("action '%s' is not ready for scheduling", action.Name)
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: desc}.Debug()
		return
	}
	if time.Now().After(action.ExpireAfter) {
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: fmt.Sprintf("action '%s' is expired. invalidating.", action.Name)}
		err = invalidAction(ctx, action, actionPath)
		if err != nil {
			panic(err)
		}
		return
	}
	// find target agents for the action
	agents, err := ctx.DB.ActiveAgentsByTarget(action.Target)
	if err != nil {
		panic(err)
	}
	action.Counters.Sent = len(agents)
	if action.Counters.Sent == 0 {
		err = fmt.Errorf("No agents found for target '%s'. invalidating action.", action.Target)
		err = invalidAction(ctx, action, actionPath)
		if err != nil {
			panic(err)
		}
	}
	ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: fmt.Sprintf("Found %d target agents", action.Counters.Sent)}

	action.Status = "preparing"
	inserted, err := ctx.DB.InsertOrUpdateAction(action)
	if err != nil {
		panic(err)
	}
	if inserted {
		// action was inserted, and not updated, so we need to insert
		// the signatures as well
		astr, err := action.String()
		if err != nil {
			panic(err)
		}
		for _, sig := range action.PGPSignatures {
			pubring, err := getPubring(ctx)
			if err != nil {
				panic(err)
			}
			fp, err := pgp.GetFingerprintFromSignature(astr, sig, pubring)
			if err != nil {
				panic(err)
			}
			inv, err := ctx.DB.InvestigatorByFingerprint(fp)
			if err != nil {
				panic(err)
			}
			err = ctx.DB.InsertSignature(action.ID, inv.ID, sig)
			if err != nil {
				panic(err)
			}
		}
	}
	ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: "Action written to database"}.Debug()

	// create an array of empty results to serve as default for all commands
	emptyResults := make([]modules.Result, len(action.Operations))
	created := 0
	for _, agent := range agents {
		err := createCommand(ctx, action, agent, emptyResults)
		if err != nil {
			ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: "Failed to create commmand on agent" + agent.Name}.Err()
			continue
		}
		created++
	}

	if created == 0 {
		// no command created found
		ctx.Channels.Log <- mig.Log{OpID: ctx.OpID, ActionID: action.ID, Desc: "No command created. Invalidating action."}.Err()
		err = invalidAction(ctx, action, actionPath)
		if err != nil {
			panic(err)
		}
		return nil
	}
	// move action to flying state
	err = flyAction(ctx, action, actionPath)
	if err != nil {
		panic(err)
	}
	return
}
Ejemplo n.º 10
0
func main() {

	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Generator\n"+
				"usage: %s -k=<key id> (-i <input file)\n\n"+
				"Command line to generate and sign MIG Actions.\n"+
				"The resulting actions are display on stdout.\n\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	// command line options
	var key = flag.String("k", "key identifier", "Key identifier used to sign the action (ex: B75C2346)")
	var pretty = flag.Bool("p", false, "Print signed action in pretty JSON format")
	var urlencode = flag.Bool("urlencode", false, "URL Encode marshalled JSON before output")
	var posturl = flag.String("posturl", "", "POST action to <url> (enforces urlencode)")
	var file = flag.String("i", "/path/to/file", "Load action from file")
	var target = flag.String("t", "some.target.example.net", "Set the target of the action")
	var validfrom = flag.String("validfrom", "now", "(optional) set an ISO8601 date the action will be valid from. If unset, use 'now'.")
	var expireafter = flag.String("expireafter", "30m", "(optional) set a validity duration for the action. If unset, use '30m'.")
	flag.Parse()

	// We need a key, if none is set on the command line, fail
	if *key == "key identifier" {
		Usage()
		os.Exit(-1)
	}

	var err error

	// if a file is defined, load action from that
	if *file == "/path/to/file" {
		fmt.Println("Missing action file")
		os.Exit(1)
	}
	a, err := mig.ActionFromFile(*file)
	if err != nil {
		panic(err)
	}

	// set the dates
	if *validfrom == "now" {
		// for immediate execution, set validity one minute in the past
		a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
	} else {
		a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", *validfrom)
		if err != nil {
			panic(err)
		}
	}
	period, err := time.ParseDuration(*expireafter)
	if err != nil {
		log.Fatal(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)

	if *target != "some.target.example.net" {
		a.Target = *target
	}

	// find homedir
	var homedir string
	if runtime.GOOS == "darwin" {
		homedir = os.Getenv("HOME")
	} else {
		// find keyring in default location
		u, err := user.Current()
		if err != nil {
			panic(err)
		}
		homedir = u.HomeDir
	}
	// load keyrings
	var gnupghome string
	gnupghome = os.Getenv("GNUPGHOME")
	if gnupghome == "" {
		gnupghome = "/.gnupg"
	}
	pubringFile, err := os.Open(homedir + gnupghome + "/pubring.gpg")

	if err != nil {
		panic(err)
	}
	defer pubringFile.Close()

	secringFile, err := os.Open(homedir + gnupghome + "/secring.gpg")
	if err != nil {
		panic(err)
	}
	defer secringFile.Close()

	// compute the signature
	str, err := a.String()
	if err != nil {
		panic(err)
	}
	pgpsig, err := sign.Sign(str, *key, secringFile)
	if err != nil {
		panic(err)
	}

	// store the signature in the action signature array
	a.PGPSignatures = append(a.PGPSignatures, pgpsig)

	// syntax checking
	err = a.Validate()
	if err != nil {
		panic(err)
	}

	// signature checking
	err = a.VerifySignatures(pubringFile)
	if err != nil {
		panic(err)
	}

	// if asked, pretty print the action
	var jsonAction []byte
	if *pretty {
		jsonAction, err = json.MarshalIndent(a, "", "\t")
		fmt.Printf("%s\n", jsonAction)
	} else {
		jsonAction, err = json.Marshal(a)
	}
	if err != nil {
		panic(err)
	}

	// if asked, url encode the action before marshaling it
	actionstr := string(jsonAction)
	if *urlencode {
		strJsonAction := string(jsonAction)
		actionstr = url.QueryEscape(strJsonAction)
		if *pretty {
			fmt.Println(actionstr)
		}
	}

	// http post the action to the posturl endpoint
	if *posturl != "" {
		resp, err := http.PostForm(*posturl, url.Values{"action": {actionstr}})
		defer resp.Body.Close()
		if err != nil {
			panic(err)
		}
		body, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			panic(err)
		}
		fmt.Printf("%s", body)
	}
}
Ejemplo n.º 11
0
func main() {
	var err error
	defer func() {
		if e := recover(); e != nil {
			fmt.Printf("FATAL: %v\n", e)
		}
	}()
	homedir := client.FindHomedir()
	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Generator\n"+
				"usage: %s -i <input file>\n\n"+
				"Command line to generate and sign MIG Actions.\n"+
				"Configuration is read from ~/.migrc by default.\n\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	// command line options
	var config = flag.String("c", homedir+"/.migrc", "Load configuration from file")
	var pretty = flag.Bool("p", false, "Print signed action in pretty JSON format")
	var urlencode = flag.Bool("urlencode", false, "URL Encode marshalled JSON before printing it (implies '-p')")
	var file = flag.String("i", "/path/to/file", "Load action from file")
	var target = flag.String("t", "some.target.example.net", "Set the target of the action")
	var validfrom = flag.String("validfrom", "now", "(optional) set an ISO8601 date the action will be valid from. If unset, use 'now'.")
	var expireafter = flag.String("expireafter", "30m", "(optional) set a validity duration for the action. If unset, use '30m'.")
	var nolaunch = flag.Bool("nolaunch", false, "Don't launch the action. Print it and exit. (implies '-p')")
	var showversion = flag.Bool("V", false, "Show build version and exit")
	flag.Parse()

	if *showversion {
		fmt.Println(version)
		os.Exit(0)
	}

	if *nolaunch {
		*pretty = true
	}

	// instanciate an API client
	conf, err := client.ReadConfiguration(*config)
	if err != nil {
		panic(err)
	}
	cli, err := client.NewClient(conf, "generator-"+version)
	if err != nil {
		panic(err)
	}

	// We need a file to load the action from
	if *file == "/path/to/file" {
		fmt.Println("ERROR: Missing action file")
		Usage()
		os.Exit(1)
	}
	a, err := mig.ActionFromFile(*file)
	if err != nil {
		panic(err)
	}

	// set the dates
	if *validfrom == "now" {
		// for immediate execution, set validity one minute in the past
		a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
	} else {
		a.ValidFrom, err = time.Parse(time.RFC3339, *validfrom)
		if err != nil {
			panic(err)
		}
	}
	period, err := time.ParseDuration(*expireafter)
	if err != nil {
		log.Fatal(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)

	if *target != "some.target.example.net" {
		a.Target = *target
	}

	asig, err := cli.SignAction(a)
	if err != nil {
		panic(err)
	}
	a = asig

	// if asked, pretty print the action
	var jsonAction []byte
	if *pretty {
		jsonAction, err = json.MarshalIndent(a, "", "\t")
		fmt.Printf("%s\n", jsonAction)
	} else {
		jsonAction, err = json.Marshal(a)
	}
	if err != nil {
		panic(err)
	}

	// if asked, url encode the action before marshaling it
	actionstr := string(jsonAction)
	if *urlencode {
		strJsonAction := string(jsonAction)
		actionstr = url.QueryEscape(strJsonAction)
		if *pretty {
			fmt.Println(actionstr)
		}
	}

	if !*nolaunch {
		a2, err := cli.PostAction(a)
		if err != nil {
			panic(err)
		}

		fmt.Printf("Successfully launched action %.0f\n", a2.ID)
	}
}
Ejemplo n.º 12
0
func main() {
	var err error
	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Verifier\n"+
				"usage: %s <-a action file> <-c command file>\n\n"+
				"Command line to verify an action *or* command.\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	hasaction := false
	hascommand := false
	homedir := client.FindHomedir()

	// command line options
	var actionfile = flag.String("a", "/path/to/action", "Load action from file")
	var commandfile = flag.String("c", "/path/to/command", "Load command from file")
	var config = flag.String("conf", homedir+"/.migrc", "Load configuration from file")
	flag.Parse()

	conf, err := client.ReadConfiguration(*config)
	if err != nil {
		panic(err)
	}

	// if a file is defined, load action from that
	if *actionfile != "/path/to/action" {
		hasaction = true
	}
	if *commandfile != "/path/to/command" {
		hascommand = true
	}
	if (hasaction && hascommand) || (!hasaction && !hascommand) {
		fmt.Println("[error] either an action file or a command file must be provided")
		Usage()
		os.Exit(1)
	}

	var a mig.Action
	if hasaction {
		a, err = mig.ActionFromFile(*actionfile)
		if err != nil {
			panic(err)
		}
	} else {
		c, err := mig.CmdFromFile(*commandfile)
		if err != nil {
			panic(err)
		}
		a = c.Action
	}

	err = a.Validate()
	if err != nil {
		fmt.Println(err)
	}

	pubringFile, err := os.Open(conf.GPG.Home + "/pubring.gpg")
	if err != nil {
		panic(err)
	}
	defer pubringFile.Close()

	// syntax checking
	err = a.VerifySignatures(pubringFile)
	if err != nil {
		fmt.Println("[error]", err)
	} else {
		fmt.Println("Valid signature")
	}

}
Ejemplo n.º 13
0
func main() {
	var (
		conf                                           client.Configuration
		cli                                            client.Client
		err                                            error
		op                                             mig.Operation
		a                                              mig.Action
		migrc, show, render, target, expiration, afile string
		modargs                                        []string
		modRunner                                      interface{}
	)
	defer func() {
		if e := recover(); e != nil {
			fmt.Fprintf(os.Stderr, "%v\n", e)
		}
	}()
	homedir := client.FindHomedir()
	fs := flag.NewFlagSet("mig flag", flag.ContinueOnError)
	fs.Usage = continueOnFlagError
	fs.StringVar(&migrc, "c", homedir+"/.migrc", "alternative configuration file")
	fs.StringVar(&show, "show", "found", "type of results to show")
	fs.StringVar(&render, "render", "text", "results rendering mode")
	fs.StringVar(&target, "t", fmt.Sprintf("status='%s' AND mode='daemon'", mig.AgtStatusOnline), "action target")
	fs.StringVar(&expiration, "e", "300s", "expiration")
	fs.StringVar(&afile, "i", "/path/to/file", "Load action from file")

	// if first argument is missing, or is help, print help
	// otherwise, pass the remainder of the arguments to the module for parsing
	// this client is agnostic to module parameters
	if len(os.Args) < 2 || os.Args[1] == "help" || os.Args[1] == "-h" || os.Args[1] == "--help" {
		usage()
	}

	if len(os.Args) < 2 || os.Args[1] == "-V" {
		fmt.Println(version)
		os.Exit(0)
	}

	// when reading the action from a file, go directly to launch
	if os.Args[1] == "-i" {
		err = fs.Parse(os.Args[1:])
		if err != nil {
			panic(err)
		}
		if afile == "/path/to/file" {
			panic("-i flag must take an action file path as argument")
		}
		a, err = mig.ActionFromFile(afile)
		if err != nil {
			panic(err)
		}
		fmt.Fprintf(os.Stderr, "[info] launching action from file, all flags are ignored\n")
		goto readytolaunch
	}

	// arguments parsing works as follow:
	// * os.Args[1] must contain the name of the module to launch. we first verify
	//   that a module exist for this name and then continue parsing
	// * os.Args[2:] contains both global options and module parameters. We parse the
	//   whole []string to extract global options, and module parameters will be left
	//   unparsed in fs.Args()
	// * fs.Args() with the module parameters is passed as a string to the module parser
	//   which will return a module operation to store in the action
	op.Module = os.Args[1]
	if _, ok := modules.Available[op.Module]; !ok {
		panic("Unknown module " + op.Module)
	}

	// -- Ugly hack Warning --
	// Parse() will fail on the first flag that is not defined, but in our case module flags
	// are defined in the module packages and not in this program. Therefore, the flag parse error
	// is expected. Unfortunately, Parse() writes directly to stderr and displays the error to
	// the user, which confuses them. The right fix would be to prevent Parse() from writing to
	// stderr, since that's really the job of the calling program, but in the meantime we work around
	// it by redirecting stderr to null before calling Parse(), and put it back to normal afterward.
	// for ref, issue is at https://github.com/golang/go/blob/master/src/flag/flag.go#L793
	fs.SetOutput(os.NewFile(uintptr(87592), os.DevNull))
	err = fs.Parse(os.Args[2:])
	fs.SetOutput(nil)
	if err != nil {
		// ignore the flag not defined error, which is expected because
		// module parameters are defined in modules and not in main
		if len(err.Error()) > 30 && err.Error()[0:29] == "flag provided but not defined" {
			// requeue the parameter that failed
			modargs = append(modargs, err.Error()[31:])
		} else {
			// if it's another error, panic
			panic(err)
		}
	}
	for _, arg := range fs.Args() {
		modargs = append(modargs, arg)
	}
	modRunner = modules.Available[op.Module].Runner()
	if _, ok := modRunner.(modules.HasParamsParser); !ok {
		fmt.Fprintf(os.Stderr, "[error] module '%s' does not support command line invocation\n", op.Module)
		os.Exit(2)
	}
	op.Parameters, err = modRunner.(modules.HasParamsParser).ParamsParser(modargs)
	if err != nil || op.Parameters == nil {
		panic(err)
	}
	a.Operations = append(a.Operations, op)

	for _, arg := range os.Args[1:] {
		a.Name += arg + " "
	}
	a.Target = target

readytolaunch:
	// instanciate an API client
	conf, err = client.ReadConfiguration(migrc)
	if err != nil {
		panic(err)
	}
	cli, err = client.NewClient(conf, "cmd-"+version)
	if err != nil {
		panic(err)
	}

	// set the validity 60 second in the past to deal with clock skew
	a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
	period, err := time.ParseDuration(expiration)
	if err != nil {
		panic(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)
	// add extra 60 seconds taken for clock skew
	a.ExpireAfter = a.ExpireAfter.Add(60 * time.Second).UTC()

	asig, err := cli.SignAction(a)
	if err != nil {
		panic(err)
	}
	a = asig

	// evaluate target before launch, give a change to cancel before going out to agents
	agents, err := cli.EvaluateAgentTarget(a.Target)
	if err != nil {
		panic(err)
	}
	fmt.Fprintf(os.Stderr, "\x1b[33m%d agents will be targeted. ctrl+c to cancel. launching in \x1b[0m", len(agents))
	for i := 5; i > 0; i-- {
		time.Sleep(1 * time.Second)
		fmt.Fprintf(os.Stderr, "\x1b[33m%d\x1b[0m ", i)
	}
	fmt.Fprintf(os.Stderr, "\x1b[33mGO\n\x1b[0m")

	// launch and follow
	a, err = cli.PostAction(a)
	if err != nil {
		panic(err)
	}
	c := make(chan os.Signal, 1)
	done := make(chan bool, 1)
	signal.Notify(c, os.Interrupt)
	go func() {
		err = cli.FollowAction(a)
		if err != nil {
			panic(err)
		}
		done <- true
	}()
	select {
	case <-c:
		fmt.Fprintf(os.Stderr, "stop following action. agents may still be running. printing available results:\n")
		goto printresults
	case <-done:
		goto printresults
	}
printresults:
	err = cli.PrintActionResults(a, show, render)
	if err != nil {
		panic(err)
	}
}