/usr/share/gocode/src/github.com/msteinert/pam/example_test.go is in golang-github-msteinert-pam-dev 0.0~git20170830.0.f4cd9f5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | package pam_test
import (
"bufio"
"errors"
"fmt"
"log"
"os"
"github.com/bgentry/speakeasy"
"github.com/msteinert/pam"
)
// This example uses whatever default PAM service configuration is available
// on the system, and tries to authenticate any user. This should cause PAM
// to ask its conversation handler for a username and password, in sequence.
//
// This application will handle those requests by displaying the
// PAM-provided prompt and sending back the first line of stdin input
// it can read for each.
//
// Keep in mind that unless run as root (or setuid root), the only
// user's authentication that can succeed is that of the process owner.
func Example_authenticate() {
t, err := pam.StartFunc("", "", func(s pam.Style, msg string) (string, error) {
switch s {
case pam.PromptEchoOff:
return speakeasy.Ask(msg)
case pam.PromptEchoOn:
fmt.Print(msg + " ")
input, err := bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
return "", err
}
return input[:len(input)-1], nil
case pam.ErrorMsg:
log.Print(msg)
return "", nil
case pam.TextInfo:
fmt.Println(msg)
return "", nil
}
return "", errors.New("Unrecognized message style")
})
if err != nil {
log.Fatalf("Start: %s", err.Error())
}
err = t.Authenticate(0)
if err != nil {
log.Fatalf("Authenticate: %s", err.Error())
}
fmt.Println("Authentication succeeded!")
}
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