Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/exec/run_windows.go

@@ -0,0 +1,61 @@
+//go:build windows
+
+package exec
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"syscall"
+
+	"github.com/kballard/go-shellquote"
+
+	"github.com/influxdata/telegraf/internal"
+)
+
+func (c *commandRunner) run(command string) (out, errout []byte, err error) {
+	splitCmd, err := shellquote.Split(command)
+	if err != nil || len(splitCmd) == 0 {
+		return nil, nil, fmt.Errorf("exec: unable to parse command: %w", err)
+	}
+
+	cmd := exec.Command(splitCmd[0], splitCmd[1:]...)
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP,
+	}
+
+	if len(c.environment) > 0 {
+		cmd.Env = append(os.Environ(), c.environment...)
+	}
+
+	var outbuf, stderr bytes.Buffer
+	cmd.Stdout = &outbuf
+	cmd.Stderr = &stderr
+
+	runErr := internal.RunTimeout(cmd, c.timeout)
+
+	outbuf = removeWindowsCarriageReturns(outbuf)
+	stderr = removeWindowsCarriageReturns(stderr)
+	if stderr.Len() > 0 && !c.debug {
+		truncate(&stderr)
+	}
+
+	return outbuf.Bytes(), stderr.Bytes(), runErr
+}
+
+func removeWindowsCarriageReturns(b bytes.Buffer) bytes.Buffer {
+	var buf bytes.Buffer
+	for {
+		byt, err := b.ReadBytes(0x0D)
+		byt = bytes.TrimRight(byt, "\x0d")
+		if len(byt) > 0 {
+			buf.Write(byt)
+		}
+		if errors.Is(err, io.EOF) {
+			return buf
+		}
+	}
+}