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Merge pull request #1226 from nice-software/wip/pam

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Add PAM authentication
This commit is contained in:
Lunny Xiao 2015-04-24 16:43:58 +08:00
commit f92bdf875b
10 changed files with 144 additions and 2 deletions
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4
.travis.yml
View file

@ -6,7 +6,9 @@ go:
- 1.4
- tip
sudo: false
before_install:
- sudo apt-get update -qq
- sudo apt-get install -y libpam-dev
script: go build -v

1
conf/locale/locale_en-US.ini
View file

@ -619,6 +619,7 @@ auths.smtp_auth = SMTP Authorization Type
auths.smtphost = SMTP Host
auths.smtpport = SMTP Port
auths.enable_tls = Enable TLS Encryption
auths.pam_service_name = PAM Service Name
auths.enable_auto_register = Enable Auto Registration
auths.tips = Tips
auths.edit = Edit Authorization Setting

61
models/login.go
View file

@ -17,6 +17,7 @@ import (
"github.com/go-xorm/xorm"
"github.com/gogits/gogs/modules/auth/ldap"
"github.com/gogits/gogs/modules/auth/pam"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/uuid"
)
@ -28,6 +29,7 @@ const (
PLAIN
LDAP
SMTP
PAM
)
var (
@ -39,12 +41,14 @@ var (
var LoginTypes = map[LoginType]string{
LDAP: "LDAP",
SMTP: "SMTP",
PAM: "PAM",
}
// Ensure structs implemented interface.
var (
_ core.Conversion = &LDAPConfig{}
_ core.Conversion = &SMTPConfig{}
_ core.Conversion = &PAMConfig{}
)
type LDAPConfig struct {
@ -74,6 +78,18 @@ func (cfg *SMTPConfig) ToDB() ([]byte, error) {
return json.Marshal(cfg)
}
type PAMConfig struct {
ServiceName string // pam service (e.g. system-auth)
}
func (cfg *PAMConfig) FromDB(bs []byte) error {
return json.Unmarshal(bs, &cfg)
}
func (cfg *PAMConfig) ToDB() ([]byte, error) {
return json.Marshal(cfg)
}
type LoginSource struct {
Id int64
Type LoginType
@ -97,6 +113,10 @@ func (source *LoginSource) SMTP() *SMTPConfig {
return source.Cfg.(*SMTPConfig)
}
func (source *LoginSource) PAM() *PAMConfig {
return source.Cfg.(*PAMConfig)
}
func (source *LoginSource) BeforeSet(colName string, val xorm.Cell) {
if colName == "type" {
ty := (*val).(int64)
@ -105,6 +125,8 @@ func (source *LoginSource) BeforeSet(colName string, val xorm.Cell) {
source.Cfg = new(LDAPConfig)
case SMTP:
source.Cfg = new(SMTPConfig)
case PAM:
source.Cfg = new(PAMConfig)
}
}
}
@ -197,6 +219,13 @@ func UserSignIn(uname, passwd string) (*User, error) {
return u, nil
}
log.Warn("Fail to login(%s) by SMTP(%s): %v", uname, source.Name, err)
} else if source.Type == PAM {
u, err := LoginUserPAMSource(nil, uname, passwd,
source.Id, source.Cfg.(*PAMConfig), true)
if err == nil {
return u, nil
}
log.Warn("Fail to login(%s) by PAM(%s): %v", uname, source.Name, err)
}
}
@ -218,6 +247,8 @@ func UserSignIn(uname, passwd string) (*User, error) {
return LoginUserLdapSource(u, u.LoginName, passwd, source.Id, source.Cfg.(*LDAPConfig), false)
case SMTP:
return LoginUserSMTPSource(u, u.LoginName, passwd, source.Id, source.Cfg.(*SMTPConfig), false)
case PAM:
return LoginUserPAMSource(u, u.LoginName, passwd, source.Id, source.Cfg.(*PAMConfig), false)
}
return nil, ErrUnsupportedLoginType
}
@ -359,3 +390,33 @@ func LoginUserSMTPSource(u *User, name, passwd string, sourceId int64, cfg *SMTP
err := CreateUser(u)
return u, err
}
// Query if name/passwd can login against PAM
// Create a local user if success
// Return the same LoginUserPlain semantic
func LoginUserPAMSource(u *User, name, passwd string, sourceId int64, cfg *PAMConfig, autoRegister bool) (*User, error) {
if err := pam.PAMAuth(cfg.ServiceName, name, passwd); err != nil {
if strings.Contains(err.Error(), "Authentication failure") {
return nil, ErrUserNotExist
}
return nil, err
}
if !autoRegister {
return u, nil
}
// fake a local user creation
u = &User{
LowerName: strings.ToLower(name),
Name: strings.ToLower(name),
LoginType: PAM,
LoginSource: sourceId,
LoginName: name,
IsActive: true,
Passwd: passwd,
Email: name,
}
err := CreateUser(u)
return u, err
}

1
modules/auth/auth_form.go
View file

@ -30,6 +30,7 @@ type AuthenticationForm struct {
SMTPPort int `form:"smtp_port"`
TLS bool `form:"tls"`
AllowAutoRegister bool `form:"allowautoregister"`
PAMServiceName string
}
func (f *AuthenticationForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {

35
modules/auth/pam/pam.go Normal file
View file

@ -0,0 +1,35 @@
// +build !windows
// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package pam
import (
"errors"
"github.com/msteinert/pam"
)
func PAMAuth(serviceName, userName, passwd string) error {
t, err := pam.StartFunc(serviceName, userName, func(s pam.Style, msg string) (string, error) {
switch s {
case pam.PromptEchoOff:
return passwd, nil
case pam.PromptEchoOn, pam.ErrorMsg, pam.TextInfo:
return "", nil
}
return "", errors.New("Unrecognized PAM message style")
})
if err != nil {
return err
}
if err = t.Authenticate(0); err != nil {
return err
}
return nil
}

15
modules/auth/pam/pam_stub.go Normal file
View file

@ -0,0 +1,15 @@
// +build windows
// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package pam
import (
"errors"
)
func PAMAuth(serviceName, userName, passwd string) error {
return errors.New("PAM not supported")
}

7
public/ng/js/gogs.js
View file

@ -753,10 +753,17 @@ function initAdmin() {
if (v == 2) {
$('.ldap').toggleShow();
$('.smtp').toggleHide();
$('.pam').toggleHide();
}
if (v == 3) {
$('.smtp').toggleShow();
$('.ldap').toggleHide();
$('.pam').toggleHide();
}
if (v == 4) {
$('.pam').toggleShow();
$('.smtp').toggleHide();
$('.ldap').toggleHide();
}
});

8
routers/admin/auths.go
View file

@ -84,6 +84,10 @@ func NewAuthSourcePost(ctx *middleware.Context, form auth.AuthenticationForm) {
Port: form.SMTPPort,
TLS: form.TLS,
}
case models.PAM:
u = &models.PAMConfig{
ServiceName: form.PAMServiceName,
}
default:
ctx.Error(400)
return
@ -166,6 +170,10 @@ func EditAuthSourcePost(ctx *middleware.Context, form auth.AuthenticationForm) {
Port: form.SMTPPort,
TLS: form.TLS,
}
case models.PAM:
config = &models.PAMConfig{
ServiceName: form.PAMServiceName,
}
default:
ctx.Error(400)
return

6
templates/admin/auth/edit.tmpl
View file

@ -91,6 +91,12 @@
<label class="req" for="smtp_port">{{.i18n.Tr "admin.auths.smtpport"}}</label>
<input class="ipt ipt-large ipt-radius {{if .Err_SmtpPort}}ipt-error{{end}}" id="smtp_port" name="smtp_port" value="{{.Source.SMTP.Port}}" />
</div>
{{else if eq $type 4}}
<div class="field">
<label class="req" for="pam_service_name">{{.i18n.Tr "admin.auths.pam_service_name"}}</label>
<input class="ipt ipt-large ipt-radius {{if .Err_PAMServiceName}}ipt-error{{end}}" id="pam_service_name" name="pam_service_name" value="{{.Source.PAM.ServiceName}}" />
</div>
{{end}}
<div class="field">

6
templates/admin/auth/new.tmpl
View file

@ -86,6 +86,12 @@
<input class="ipt ipt-large ipt-radius {{if .Err_SmtpPort}}ipt-error{{end}}" id="smtp_port" name="smtp_port" value="{{.smtp_port}}" />
</div>
</div>
<div class="pam hidden">
<div class="field">
<label class="req" for="pam_service_name">{{.i18n.Tr "admin.auths.pam_service_name"}}</label>
<input class="ipt ipt-large ipt-radius {{if .Err_PAMServiceName}}ipt-error{{end}}" id="pam_service_name" name="pam_service_name" value="{{.pam_service_name}}" />
</div>
</div>
<div class="field">
<div class="smtp hidden">
<label></label>