Attempt to modernize the repo

.github/workflows/test.yaml

@@ -0,0 +1,22 @@
+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.16.x, 1.17.x]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Install PAM
+      run: sudo apt install -y libpam-dev
+    - name: Add a test user
+      run: sudo useradd -d /tmp/test -p '$1$Qd8H95T5$RYSZQeoFbEB.gS19zS99A0' -s /bin/false test
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Test
+      run: sudo go test -v ./...

.gitignore

@@ -1 +0,0 @@
-coverage.out

.travis.yml

@@ -1,18 +0,0 @@
-language: go
-
-go:
-  - 1.14.x
-  - 1.15.x
-  - tip
-
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq --no-install-recommends libpam0g-dev
-  - sudo useradd -d /tmp/test -p '$1$Qd8H95T5$RYSZQeoFbEB.gS19zS99A0' -s /bin/false test
-  - go get github.com/axw/gocov/gocov
-  - go get github.com/mattn/goveralls
-  - go get golang.org/x/tools/cmd/cover
-
-script:
-  - sudo GOROOT=$GOROOT GOPATH=$GOPATH $(which go) test -v -covermode=count -coverprofile=coverage.out .
-  - if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then goveralls -coverprofile=coverage.out -service travis-ci -repotoken $REPO_TOKEN; fi

README.md

@@ -1,7 +1,5 @@
-[![Build Status](https://travis-ci.org/msteinert/pam.svg?branch=master)](https://travis-ci.org/msteinert/pam)
 [![GoDoc](https://godoc.org/github.com/msteinert/pam?status.svg)](http://godoc.org/github.com/msteinert/pam)
-[![Coverage Status](https://coveralls.io/repos/msteinert/pam/badge.svg?branch=master)](https://coveralls.io/r/msteinert/pam?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/msteinert/pam)](https://goreportcard.com/report/github.com/msteinert/pam)
-[![Go Report Card](http://goreportcard.com/badge/msteinert/pam)](http://goreportcard.com/report/msteinert/pam)
 
 # Go PAM
 

example_test.go

@@ -4,50 +4,49 @@ import (
 	"bufio"
 	"errors"
 	"fmt"
-	"log"
 	"os"
 
-	"github.com/bgentry/speakeasy"
 	"github.com/msteinert/pam"
+	"golang.org/x/term"
 )
 
-// This example uses whatever default PAM service configuration is available
+// This example uses the default PAM service to authenticate any users. This
-// on the system, and tries to authenticate any user. This should cause PAM
+// should cause PAM to ask its conversation handler for a username and password
-// to ask its conversation handler for a username and password, in sequence.
+// in sequence.
-//
+func Example() {
-// 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)
+			fmt.Print(msg)
-		case pam.PromptEchoOn:
+			pw, err := term.ReadPassword(int(os.Stdin.Fd()))
-			fmt.Print(msg + " ")
-			input, err := bufio.NewReader(os.Stdin).ReadString('\n')
 			if err != nil {
 				return "", err
 			}
-			return input[:len(input)-1], nil
+			fmt.Println()
+			return string(pw), nil
+		case pam.PromptEchoOn:
+			fmt.Print(msg)
+			s := bufio.NewScanner(os.Stdin)
+			s.Scan()
+			return s.Text(), nil
 		case pam.ErrorMsg:
-			log.Print(msg)
+			fmt.Fprintf(os.Stderr, "%s\n", msg)
 			return "", nil
 		case pam.TextInfo:
 			fmt.Println(msg)
 			return "", nil
+		default:
+			return "", errors.New("unrecognized message style")
 		}
-		return "", errors.New("Unrecognized message style")
 	})
 	if err != nil {
-		log.Fatalf("Start: %s", err.Error())
+		fmt.Fprintf(os.Stderr, "start: %s\n", err.Error())
+		os.Exit(1)
 	}
 	err = t.Authenticate(0)
 	if err != nil {
-		log.Fatalf("Authenticate: %s", err.Error())
+		fmt.Fprintf(os.Stderr, "authenticate: %s\n", err.Error())
+		os.Exit(1)
 	}
-	fmt.Println("Authentication succeeded!")
+	fmt.Println("authentication succeeded!")
 }

go.mod

@@ -0,0 +1,7 @@
+module github.com/msteinert/pam
+
+go 1.17
+
+require golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
+
+require golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect

go.sum

@@ -0,0 +1,4 @@
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=

transaction_test.go

@@ -3,7 +3,6 @@ package pam
 import (
 	"errors"
 	"os/user"
-	"runtime"
 	"testing"
 )
 
@@ -31,7 +30,6 @@ func TestPAM_001(t *testing.T) {
 	if err != nil {
 		t.Fatalf("setcred #error: %v", err)
 	}
-	runtime.GC()
 }
 
 func TestPAM_002(t *testing.T) {
@@ -55,7 +53,6 @@ func TestPAM_002(t *testing.T) {
 	if err != nil {
 		t.Fatalf("authenticate #error: %v", err)
 	}
-	runtime.GC()
 }
 
 type Credentials struct {
@@ -90,7 +87,6 @@ func TestPAM_003(t *testing.T) {
 	if err != nil {
 		t.Fatalf("authenticate #error: %v", err)
 	}
-	runtime.GC()
 }
 
 func TestPAM_004(t *testing.T) {
@@ -109,7 +105,6 @@ func TestPAM_004(t *testing.T) {
 	if err != nil {
 		t.Fatalf("authenticate #error: %v", err)
 	}
-	runtime.GC()
 }
 
 func TestPAM_005(t *testing.T) {
@@ -127,7 +122,6 @@ func TestPAM_005(t *testing.T) {
 	if err != nil {
 		t.Fatalf("chauthtok #error: %v", err)
 	}
-	runtime.GC()
 }
 
 func TestPAM_006(t *testing.T) {
@@ -149,7 +143,6 @@ func TestPAM_006(t *testing.T) {
 	if err != nil {
 		t.Fatalf("close_session #error: %v", err)
 	}
-	runtime.GC()
 }
 
 func TestPAM_007(t *testing.T) {
@@ -171,7 +164,6 @@ func TestPAM_007(t *testing.T) {
 	if len(s) == 0 {
 		t.Fatalf("error #expected an error message")
 	}
-	runtime.GC()
 }
 
 func TestItem(t *testing.T) {
@@ -206,7 +198,6 @@ func TestItem(t *testing.T) {
 	if s != "root" {
 		t.Fatalf("getitem #error: expected root, got %v", s)
 	}
-	runtime.GC()
 }
 
 func TestEnv(t *testing.T) {
@@ -273,7 +264,6 @@ func TestEnv(t *testing.T) {
 	if m["VAL3"] != "3" {
 		t.Fatalf("getenvlist #error: expected 3, got %v", m["VAL1"])
 	}
-	runtime.GC()
 }
 
 func TestFailure_001(t *testing.T) {