chore: remove refs to deprecated io/ioutil

client/command/alias/alias.go

@@ -21,7 +21,7 @@ package alias
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strings"
 
 	"github.com/bishopfox/sliver/client/assets"
@@ -115,7 +115,7 @@ func getInstalledManifests() map[string]*AliasManifest {
 	manifestPaths := assets.GetInstalledAliasManifests()
 	installedManifests := map[string]*AliasManifest{}
 	for _, manifestPath := range manifestPaths {
-		data, err := ioutil.ReadFile(manifestPath)
+		data, err := os.ReadFile(manifestPath)
 		if err != nil {
 			continue
 		}

client/command/alias/install.go

@@ -20,7 +20,6 @@ package alias
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -50,7 +49,7 @@ func AliasesInstallCmd(cmd *cobra.Command, con *console.SliverConsoleClient, arg
 
 // Install an extension from a directory
 func installFromDir(aliasLocalPath string, con *console.SliverConsoleClient) {
-	manifestData, err := ioutil.ReadFile(filepath.Join(aliasLocalPath, ManifestFileName))
+	manifestData, err := os.ReadFile(filepath.Join(aliasLocalPath, ManifestFileName))
 	if err != nil {
 		con.PrintErrorf("Error reading %s: %s", ManifestFileName, err)
 		return
@@ -78,7 +77,7 @@ func installFromDir(aliasLocalPath string, con *console.SliverConsoleClient) {
 		con.PrintErrorf("Error creating alias directory: %s\n", err)
 		return
 	}
-	err = ioutil.WriteFile(filepath.Join(installPath, ManifestFileName), manifestData, 0o600)
+	err = os.WriteFile(filepath.Join(installPath, ManifestFileName), manifestData, 0o600)
 	if err != nil {
 		con.PrintErrorf("Failed to write %s: %s\n", ManifestFileName, err)
 		forceRemoveAll(installPath)
@@ -133,7 +132,7 @@ func InstallFromFile(aliasGzFilePath string, autoOverwrite bool, con *console.Sl
 		con.PrintErrorf("Failed to create alias directory: %s\n", err)
 		return nil
 	}
-	err = ioutil.WriteFile(filepath.Join(installPath, ManifestFileName), manifestData, 0o600)
+	err = os.WriteFile(filepath.Join(installPath, ManifestFileName), manifestData, 0o600)
 	if err != nil {
 		con.PrintErrorf("Failed to write %s: %s\n", ManifestFileName, err)
 		forceRemoveAll(installPath)
@@ -166,7 +165,7 @@ func installArtifact(aliasGzFilePath string, installPath, artifactPath string, c
 	if _, err := os.Stat(artifactDir); os.IsNotExist(err) {
 		os.MkdirAll(artifactDir, 0o700)
 	}
-	err = ioutil.WriteFile(localArtifactPath, data, 0o600)
+	err = os.WriteFile(localArtifactPath, data, 0o600)
 	if err != nil {
 		return err
 	}

client/command/dllhijack/dllhijack.go

@@ -21,7 +21,7 @@ package dllhijack
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/spf13/cobra"
 
@@ -58,7 +58,7 @@ func DllHijackCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []s
 	}
 
 	if localReferenceFilePath != "" {
-		localRefData, err = ioutil.ReadFile(localReferenceFilePath)
+		localRefData, err = os.ReadFile(localReferenceFilePath)
 		if err != nil {
 			con.PrintErrorf("Could not load the reference file from the client: %s\n", err)
 			return
@@ -70,7 +70,7 @@ func DllHijackCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []s
 			con.PrintErrorf("please use either --profile or --File")
 			return
 		}
-		targetDLLData, err = ioutil.ReadFile(localFile)
+		targetDLLData, err = os.ReadFile(localFile)
 		if err != nil {
 			con.PrintErrorf("Error: %s\n", err)
 			return

client/command/filesystem/upload.go

@@ -21,7 +21,6 @@ package filesystem
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -72,7 +71,7 @@ func UploadCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []stri
 
 	dst := remotePath
 
-	fileBuf, err := ioutil.ReadFile(src)
+	fileBuf, err := os.ReadFile(src)
 	if err != nil {
 		con.PrintErrorf("%s\n", err)
 		return

client/command/jobs/https.go

@@ -22,7 +22,7 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"time"
 
 	"github.com/spf13/cobra"
@@ -92,11 +92,11 @@ func getLocalCertificatePair(cmd *cobra.Command) ([]byte, []byte, error) {
 	if certPath == "" && keyPath == "" {
 		return nil, nil, nil
 	}
-	cert, err := ioutil.ReadFile(certPath)
+	cert, err := os.ReadFile(certPath)
 	if err != nil {
 		return nil, nil, err
 	}
-	key, err := ioutil.ReadFile(keyPath)
+	key, err := os.ReadFile(keyPath)
 	if err != nil {
 		return nil, nil, err
 	}

client/command/processes/procdump.go

@@ -21,7 +21,6 @@ package processes
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"time"
@@ -112,7 +111,7 @@ func PrintProcessDump(dump *sliverpb.ProcessDump, saveTo string, hostname string
 	var saveToFile *os.File
 	if saveTo == "" {
 		tmpFileName := filepath.Base(fmt.Sprintf("procdump_%s_%d_*", hostname, pid))
-		saveToFile, err = ioutil.TempFile("", tmpFileName)
+		saveToFile, err = os.CreateTemp("", tmpFileName)
 		if err != nil {
 			con.PrintErrorf("Error creating temporary file: %s\n", err)
 			return

client/command/reaction/helpers.go

@@ -21,7 +21,7 @@ package reaction
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"path"
 	"strconv"
 	"strings"
@@ -49,13 +49,13 @@ func SaveReactions(reactions []core.Reaction) error {
 	if err != nil {
 		return err
 	}
-	return ioutil.WriteFile(reactionFilePath, data, 0o600)
+	return os.WriteFile(reactionFilePath, data, 0o600)
 }
 
 // LoadReactions - Save the reactions to the reaction file
 func LoadReactions() (int, error) {
 	reactionFilePath := GetReactionFilePath()
-	data, err := ioutil.ReadFile(reactionFilePath)
+	data, err := os.ReadFile(reactionFilePath)
 	if err != nil {
 		return 0, err
 	}

client/command/registry/reg-write.go

@@ -21,7 +21,7 @@ package registry
 import (
 	"context"
 	"encoding/hex"
-	"io/ioutil"
+	"os"
 	"strconv"
 	"strings"
 
@@ -100,7 +100,7 @@ func RegWriteCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []st
 				return
 			}
 		} else {
-			v, err = ioutil.ReadFile(binPath)
+			v, err = os.ReadFile(binPath)
 			if err != nil {
 				con.PrintErrorf("%s\n", err)
 				return

client/command/screenshot/screenshot.go

@@ -21,7 +21,6 @@ package screenshot
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"time"
@@ -107,7 +106,7 @@ func PrintScreenshot(screenshot *sliverpb.Screenshot, hostname string, cmd *cobr
 	var err error
 	if saveTo == "" {
 		tmpFileName := filepath.Base(fmt.Sprintf("screenshot_%s_%s_*.png", filepath.Base(hostname), timestamp))
-		saveToFile, err = ioutil.TempFile("", tmpFileName)
+		saveToFile, err = os.CreateTemp("", tmpFileName)
 		if err != nil {
 			con.PrintErrorf("%s\n", err)
 			return

client/command/shikata-ga-nai/sgn.go

@@ -21,7 +21,7 @@ package sgn
 import (
 	"context"
 	"encoding/hex"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"github.com/spf13/cobra"
@@ -33,7 +33,7 @@ import (
 // ShikataGaNaiCmd - Command wrapper for the Shikata Ga Nai shellcode encoder
 func ShikataGaNaiCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []string) {
 	shellcodeFile := args[0]
-	rawShellcode, err := ioutil.ReadFile(shellcodeFile)
+	rawShellcode, err := os.ReadFile(shellcodeFile)
 	if err != nil {
 		con.PrintErrorf("Failed to read shellcode file: %s", err)
 		return
@@ -73,7 +73,7 @@ func ShikataGaNaiCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args
 		outputFile += ".sgn"
 	}
 
-	err = ioutil.WriteFile(outputFile, shellcodeResp.Data, 0o644)
+	err = os.WriteFile(outputFile, shellcodeResp.Data, 0o644)
 	if err != nil {
 		con.PrintErrorf("Failed to write shellcode file: %s", err)
 		return

client/command/tasks/fetch.go

@@ -20,7 +20,6 @@ package tasks
 
 import (
 	"context"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@@ -782,7 +781,7 @@ func promptSaveToFile(data []byte, con *console.SliverConsoleClient) {
 			return
 		}
 	}
-	err = ioutil.WriteFile(saveTo, data, 0o600)
+	err = os.WriteFile(saveTo, data, 0o600)
 	if err != nil {
 		con.PrintErrorf("Failed to save file: %s\n", err)
 		return

client/command/update/update.go

@@ -23,7 +23,6 @@ import (
 	"crypto/tls"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"net/url"
@@ -120,7 +119,7 @@ func UpdateCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []stri
 	lastCheck := []byte(fmt.Sprintf("%d", now.Unix()))
 	appDir := assets.GetRootAppDir()
 	lastUpdateCheckPath := path.Join(appDir, consts.LastUpdateCheckFileName)
-	err = ioutil.WriteFile(lastUpdateCheckPath, lastCheck, 0o600)
+	err = os.WriteFile(lastUpdateCheckPath, lastCheck, 0o600)
 	if err != nil {
 		con.Printf("Failed to save update check time %s", err)
 	}

client/command/wireguard/wg-config.go

@@ -23,8 +23,8 @@ import (
 	"context"
 	"encoding/base64"
 	"encoding/hex"
-	"io/ioutil"
 	"net"
+	"os"
 	"strings"
 	"text/template"
 
@@ -95,7 +95,7 @@ func WGConfigCmd(cmd *cobra.Command, con *console.SliverConsoleClient, args []st
 		if !strings.HasSuffix(save, ".conf") {
 			save += ".conf"
 		}
-		err = ioutil.WriteFile(save, output.Bytes(), 0o600)
+		err = os.WriteFile(save, output.Bytes(), 0o600)
 		if err != nil {
 			con.PrintErrorf("Error: %s\n", err)
 			return

client/prelude/bof.go

@@ -22,7 +22,7 @@ import (
 	"bytes"
 	"context"
 	"errors"
-	"io/ioutil"
+	"os"
 	"path"
 
 	"github.com/bishopfox/sliver/client/assets"
@@ -139,7 +139,7 @@ func registerLoader(implant ActiveImplant, rpc rpcpb.SliverRPCClient) error {
 		coffLoaderPath = "COFFLoader.x86.dll"
 	}
 	loaderPath := path.Join(assets.GetExtensionsDir(), coffLoaderName, coffLoaderPath)
-	loaderData, err := ioutil.ReadFile(loaderPath)
+	loaderData, err := os.ReadFile(loaderPath)
 	if err != nil {
 		return err
 	}

client/prelude/bridge.go

@@ -24,7 +24,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/http"
 	"strings"
@@ -161,7 +161,7 @@ func requestPayload(target string) ([]byte, error) {
 	if resp.StatusCode != 200 {
 		return nil, fmt.Errorf("invalid status code: %d", resp.StatusCode)
 	}
-	return ioutil.ReadAll(resp.Body)
+	return io.ReadAll(resp.Body)
 }
 
 func (a *OperatorImplantBridge) refreshBeacon() {

client/version/updates.go

@@ -3,7 +3,7 @@ package version
 import (
 	"encoding/json"
 	"errors"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 	"strconv"
@@ -77,7 +77,7 @@ func CheckForUpdates(client *http.Client, prereleases bool) (*Release, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}

implant/sliver/forwarder/socks.go

@@ -21,7 +21,7 @@ package forwarder
 // {{if .Config.WGc2Enabled}}
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"net"
 
@@ -61,7 +61,7 @@ func (s *WGSocksServer) LocalAddr() string {
 func (s *WGSocksServer) Start() error {
 	var err error
 	server := socks5.NewServer(
-		socks5.WithLogger(socks5.NewLogger(log.New(ioutil.Discard, "", log.LstdFlags))),
+		socks5.WithLogger(socks5.NewLogger(log.New(io.Discard, "", log.LstdFlags))),
 	)
 	select {
 	case <-s.done:

implant/sliver/netstat/netstat_linux.go

@@ -34,7 +34,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"path"
@@ -212,7 +211,7 @@ func getProcName(s []byte) string {
 func (p *procFd) iterFdDir() {
 	// link name is of the form socket:[5860846]
 	fddir := path.Join(p.base, "/fd")
-	fi, err := ioutil.ReadDir(fddir)
+	fi, err := os.ReadDir(fddir)
 	if err != nil {
 		return
 	}
@@ -252,7 +251,7 @@ func (p *procFd) iterFdDir() {
 
 func extractProcInfo(sktab []SockTabEntry) {
 	var basedir = "/proc"
-	fi, err := ioutil.ReadDir(basedir)
+	fi, err := os.ReadDir(basedir)
 	if err != nil {
 		return
 	}