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package ldap
import (
"bytes"
"context"
"io/ioutil"
"net/url"
"os"
"os/exec"
"path/filepath"
"sync"
"testing"
"text/template"
"time"
"github.com/kylelemons/godebug/pretty"
"github.com/dexidp/dex/connector"
)
const envVar = "DEX_LDAP_TESTS"
// connectionMethod indicates how the test should connect to the LDAP server.
type connectionMethod int32
const (
connectStartTLS connectionMethod = iota
connectLDAPS
connectLDAP
connectInsecureSkipVerify
// subtest is a login test against a given schema.
type subtest struct {
// Name of the sub-test.
name string
// Password credentials, and if the connector should request
// groups as well.
username string
password string
groups bool
// Expected result of the login.
wantErr bool
wantBadPW bool
want connector.Identity
}
func TestQuery(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
dn: cn=john,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
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sn: doe
cn: john
mail: johndoe@example.com
userpassword: bar
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
},
},
{
name: "validpassword2",
username: "john",
password: "bar",
want: connector.Identity{
UserID: "cn=john,ou=People,dc=example,dc=org",
Username: "john",
Email: "johndoe@example.com",
EmailVerified: true,
},
},
{
name: "invalidpassword",
username: "jane",
password: "badpassword",
wantBadPW: true,
},
{
name: "invaliduser",
username: "idontexist",
password: "foo",
wantBadPW: true, // Want invalid password, not a query error.
},
}
runTests(t, schema, connectLDAP, c, tests)
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func TestQueryWithEmailSuffix(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
dn: cn=john,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: john
userpassword: bar
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailSuffix = "test.example.com"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
tests := []subtest{
{
name: "ignoremailattr",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "jane@test.example.com",
EmailVerified: true,
},
},
{
name: "nomailattr",
username: "john",
password: "bar",
want: connector.Identity{
UserID: "cn=john,ou=People,dc=example,dc=org",
Username: "john",
Email: "john@test.example.com",
EmailVerified: true,
},
},
}
runTests(t, schema, connectLDAP, c, tests)
}
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func TestUserFilter(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=Seattle,dc=example,dc=org
objectClass: organizationalUnit
ou: Seattle
dn: ou=Portland,dc=example,dc=org
objectClass: organizationalUnit
ou: Portland
dn: ou=People,ou=Seattle,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: ou=People,ou=Portland,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,ou=Seattle,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
dn: cn=jane,ou=People,ou=Portland,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoefromportland@example.com
userpassword: baz
dn: cn=john,ou=People,ou=Seattle,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: john
mail: johndoe@example.com
userpassword: bar
`
c := &Config{}
c.UserSearch.BaseDN = "dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
c.UserSearch.Filter = "(ou:dn:=Seattle)"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,ou=Seattle,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
},
},
{
name: "validpassword2",
username: "john",
password: "bar",
want: connector.Identity{
UserID: "cn=john,ou=People,ou=Seattle,dc=example,dc=org",
Username: "john",
Email: "johndoe@example.com",
EmailVerified: true,
},
},
{
name: "invalidpassword",
username: "jane",
password: "badpassword",
wantBadPW: true,
},
{
name: "invaliduser",
username: "idontexist",
password: "foo",
wantBadPW: true, // Want invalid password, not a query error.
},
}
runTests(t, schema, connectLDAP, c, tests)
}
func TestGroupQuery(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
dn: cn=john,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
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sn: doe
cn: john
mail: johndoe@example.com
userpassword: bar
# Group definitions.
dn: ou=Groups,dc=example,dc=org
objectClass: organizationalUnit
ou: Groups
dn: cn=admins,ou=Groups,dc=example,dc=org
objectClass: groupOfNames
cn: admins
member: cn=john,ou=People,dc=example,dc=org
member: cn=jane,ou=People,dc=example,dc=org
dn: cn=developers,ou=Groups,dc=example,dc=org
objectClass: groupOfNames
cn: developers
member: cn=jane,ou=People,dc=example,dc=org
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
c.GroupSearch.BaseDN = "ou=Groups,dc=example,dc=org"
c.GroupSearch.UserAttr = "DN"
c.GroupSearch.GroupAttr = "member"
c.GroupSearch.NameAttr = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
groups: true,
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
Groups: []string{"admins", "developers"},
},
},
{
name: "validpassword2",
username: "john",
password: "bar",
groups: true,
want: connector.Identity{
UserID: "cn=john,ou=People,dc=example,dc=org",
Username: "john",
Email: "johndoe@example.com",
EmailVerified: true,
Groups: []string{"admins"},
},
},
}
runTests(t, schema, connectLDAP, c, tests)
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func TestGroupsOnUserEntity(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
# Groups are enumerated as part of the user entity instead of the members being
# a list on the group entity.
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
departmentNumber: 1000
departmentNumber: 1001
dn: cn=john,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: john
mail: johndoe@example.com
userpassword: bar
departmentNumber: 1000
departmentNumber: 1002
# Group definitions. Notice that they don't have any "member" field.
dn: ou=Groups,dc=example,dc=org
objectClass: organizationalUnit
ou: Groups
dn: cn=admins,ou=Groups,dc=example,dc=org
objectClass: posixGroup
cn: admins
gidNumber: 1000
dn: cn=developers,ou=Groups,dc=example,dc=org
objectClass: posixGroup
cn: developers
gidNumber: 1001
dn: cn=designers,ou=Groups,dc=example,dc=org
objectClass: posixGroup
cn: designers
gidNumber: 1002
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
c.GroupSearch.BaseDN = "ou=Groups,dc=example,dc=org"
c.GroupSearch.UserAttr = "departmentNumber"
c.GroupSearch.GroupAttr = "gidNumber"
c.GroupSearch.NameAttr = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
groups: true,
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
Groups: []string{"admins", "developers"},
},
},
{
name: "validpassword2",
username: "john",
password: "bar",
groups: true,
want: connector.Identity{
UserID: "cn=john,ou=People,dc=example,dc=org",
Username: "john",
Email: "johndoe@example.com",
EmailVerified: true,
Groups: []string{"admins", "designers"},
},
},
}
runTests(t, schema, connectLDAP, c, tests)
}
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func TestGroupFilter(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
dn: cn=john,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: john
mail: johndoe@example.com
userpassword: bar
# Group definitions.
dn: ou=Seattle,dc=example,dc=org
objectClass: organizationalUnit
ou: Seattle
dn: ou=Portland,dc=example,dc=org
objectClass: organizationalUnit
ou: Portland
dn: ou=Groups,ou=Seattle,dc=example,dc=org
objectClass: organizationalUnit
ou: Groups
dn: ou=Groups,ou=Portland,dc=example,dc=org
objectClass: organizationalUnit
ou: Groups
dn: cn=qa,ou=Groups,ou=Portland,dc=example,dc=org
objectClass: groupOfNames
cn: qa
member: cn=john,ou=People,dc=example,dc=org
dn: cn=admins,ou=Groups,ou=Seattle,dc=example,dc=org
objectClass: groupOfNames
cn: admins
member: cn=john,ou=People,dc=example,dc=org
member: cn=jane,ou=People,dc=example,dc=org
dn: cn=developers,ou=Groups,ou=Seattle,dc=example,dc=org
objectClass: groupOfNames
cn: developers
member: cn=jane,ou=People,dc=example,dc=org
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
c.GroupSearch.BaseDN = "dc=example,dc=org"
c.GroupSearch.UserAttr = "DN"
c.GroupSearch.GroupAttr = "member"
c.GroupSearch.NameAttr = "cn"
c.GroupSearch.Filter = "(ou:dn:=Seattle)" // ignore other groups
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
groups: true,
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
Groups: []string{"admins", "developers"},
},
},
{
name: "validpassword2",
username: "john",
password: "bar",
groups: true,
want: connector.Identity{
UserID: "cn=john,ou=People,dc=example,dc=org",
Username: "john",
Email: "johndoe@example.com",
EmailVerified: true,
Groups: []string{"admins"},
},
},
}
runTests(t, schema, connectLDAP, c, tests)
}
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func TestStartTLS(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
},
},
}
runTests(t, schema, connectStartTLS, c, tests)
}
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func TestInsecureSkipVerify(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
},
},
}
runTests(t, schema, connectInsecureSkipVerify, c, tests)
}
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func TestLDAPS(t *testing.T) {
schema := `
dn: dc=example,dc=org
objectClass: dcObject
objectClass: organization
o: Example Company
dc: example
dn: ou=People,dc=example,dc=org
objectClass: organizationalUnit
ou: People
dn: cn=jane,ou=People,dc=example,dc=org
objectClass: person
objectClass: inetOrgPerson
sn: doe
cn: jane
mail: janedoe@example.com
userpassword: foo
`
c := &Config{}
c.UserSearch.BaseDN = "ou=People,dc=example,dc=org"
c.UserSearch.NameAttr = "cn"
c.UserSearch.EmailAttr = "mail"
c.UserSearch.IDAttr = "DN"
c.UserSearch.Username = "cn"
tests := []subtest{
{
name: "validpassword",
username: "jane",
password: "foo",
want: connector.Identity{
UserID: "cn=jane,ou=People,dc=example,dc=org",
Username: "jane",
Email: "janedoe@example.com",
EmailVerified: true,
},
},
}
runTests(t, schema, connectLDAPS, c, tests)
Stephan Renatus
committed
func TestUsernamePrompt(t *testing.T) {
tests := map[string]struct {
config Config
expected string
}{
"with usernamePrompt unset it returns \"\"": {
config: Config{},
expected: "",
},
"with usernamePrompt set it returns that": {
config: Config{UsernamePrompt: "Email address"},
expected: "Email address",
},
}
for n, d := range tests {
t.Run(n, func(t *testing.T) {
conn := &ldapConnector{Config: d.config}
if actual := conn.Prompt(); actual != d.expected {
t.Errorf("expected %v, got %v", d.expected, actual)
}
})
}
}
// runTests runs a set of tests against an LDAP schema. It does this by
// setting up an OpenLDAP server and injecting the provided scheme.
//
// The tests require the slapd and ldapadd binaries available in the host
// machine's PATH.
//
// The DEX_LDAP_TESTS must be set to "1"
func runTests(t *testing.T, schema string, connMethod connectionMethod, config *Config, tests []subtest) {
if os.Getenv(envVar) != "1" {
t.Skipf("%s not set. Skipping test (run 'export %s=1' to run tests)", envVar, envVar)
}
for _, cmd := range []string{"slapd", "ldapadd"} {
if _, err := exec.LookPath(cmd); err != nil {
t.Errorf("%s not available", cmd)
}
}
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
tempDir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tempDir)
configBytes := new(bytes.Buffer)
data := tmplData{
TempDir: tempDir,
Includes: includes(t, wd),
}
data.TLSCertPath, data.TLSKeyPath = tlsAssets(t, wd)
if err := slapdConfigTmpl.Execute(configBytes, data); err != nil {
t.Fatal(err)
}
configPath := filepath.Join(tempDir, "ldap.conf")
if err := ioutil.WriteFile(configPath, configBytes.Bytes(), 0644); err != nil {
t.Fatal(err)
}
schemaPath := filepath.Join(tempDir, "schema.ldap")
if err := ioutil.WriteFile(schemaPath, []byte(schema), 0644); err != nil {
t.Fatal(err)
}
socketPath := url.QueryEscape(filepath.Join(tempDir, "ldap.unix"))
slapdOut := new(bytes.Buffer)
cmd := exec.Command(
"slapd",
"-d", "any",
"-h", "ldap://localhost:10389/ ldaps://localhost:10636/ ldapi://"+socketPath,
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"-f", configPath,
)
cmd.Stdout = slapdOut
cmd.Stderr = slapdOut
if err := cmd.Start(); err != nil {
t.Fatal(err)
}
var (
// Wait group finishes once slapd has exited.
//
// Use a wait group because multiple goroutines can't listen on
// cmd.Wait(). It triggers the race detector.
wg = new(sync.WaitGroup)
// Ensure only one condition can set the slapdFailed boolean.
once = new(sync.Once)
slapdFailed bool
)
wg.Add(1)
go func() { cmd.Wait(); wg.Done() }()
defer func() {
if slapdFailed {
// If slapd exited before it was killed, print its logs.
t.Logf("%s\n", slapdOut)
}
}()
go func() {
wg.Wait()
once.Do(func() { slapdFailed = true })
}()
defer func() {
once.Do(func() { slapdFailed = false })
cmd.Process.Kill()
wg.Wait()
}()
// Try a few times to connect to the LDAP server. On slower machines
// it can take a while for it to come up.
connected := false
wait := 100 * time.Millisecond
for i := 0; i < 5; i++ {
time.Sleep(wait)
ldapadd := exec.Command(
"ldapadd", "-x",
"-D", "cn=admin,dc=example,dc=org",
"-w", "admin",
"-f", schemaPath,
"-H", "ldap://localhost:10389/",
)
if out, err := ldapadd.CombinedOutput(); err != nil {
t.Logf("ldapadd: %s", out)
wait = wait * 2 // backoff
continue
}
connected = true
break
}
if !connected {
t.Errorf("ldapadd command failed")
return
}
// Shallow copy.
c := *config
// We need to configure host parameters but don't want to overwrite user or
// group search configuration.
switch connMethod {
case connectStartTLS:
c.Host = "localhost:10389"
c.RootCA = "testdata/ca.crt"
c.StartTLS = true
case connectLDAPS:
c.Host = "localhost:10636"
c.RootCA = "testdata/ca.crt"
case connectInsecureSkipVerify:
c.Host = "localhost:10636"
c.InsecureSkipVerify = true
case connectLDAP:
c.Host = "localhost:10389"
c.InsecureNoSSL = true
}
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c.BindDN = "cn=admin,dc=example,dc=org"
c.BindPW = "admin"
l := &logrus.Logger{Out: ioutil.Discard, Formatter: &logrus.TextFormatter{}}
conn, err := c.openConnector(l)
if err != nil {
t.Errorf("open connector: %v", err)
}
for _, test := range tests {
if test.name == "" {
t.Fatal("go a subtest with no name")
}
// Run the subtest.
t.Run(test.name, func(t *testing.T) {
s := connector.Scopes{OfflineAccess: true, Groups: test.groups}
ident, validPW, err := conn.Login(context.Background(), s, test.username, test.password)
if err != nil {
if !test.wantErr {
t.Fatalf("query failed: %v", err)
}
return
}
if test.wantErr {
t.Fatalf("wanted query to fail")
}
if !validPW {
if !test.wantBadPW {
t.Fatalf("invalid password: %v", err)
}
return
}
if test.wantBadPW {
t.Fatalf("wanted invalid password")
}
got := ident
got.ConnectorData = nil
if diff := pretty.Compare(test.want, got); diff != "" {
t.Error(diff)
return
}
// Verify that refresh tokens work.
ident, err = conn.Refresh(context.Background(), s, ident)
if err != nil {
t.Errorf("refresh failed: %v", err)
}
got = ident
got.ConnectorData = nil
if diff := pretty.Compare(test.want, got); diff != "" {
t.Errorf("after refresh: %s", diff)
}
})
}
}
// Standard OpenLDAP schema files to include.
//
// These are copied from the /etc/openldap/schema directory.
var includeFiles = []string{
"core.schema",
"cosine.schema",
"inetorgperson.schema",
"misc.schema",
"nis.schema",
"openldap.schema",
}
// tmplData is the struct used to execute the SLAPD config template.
type tmplData struct {
// Directory for database to be writen to.
TempDir string
// List of schema files to include.
Includes []string
// TLS assets for LDAPS.
TLSKeyPath string
TLSCertPath string
}
// Config template copied from:
// http://www.zytrax.com/books/ldap/ch5/index.html#step1-slapd
//
// TLS instructions found here:
// http://www.openldap.org/doc/admin24/tls.html
var slapdConfigTmpl = template.Must(template.New("").Parse(`
{{ range $i, $include := .Includes }}
include {{ $include }}
{{ end }}
# MODULELOAD definitions
# not required (comment out) before version 2.3
moduleload back_bdb.la
database bdb
suffix "dc=example,dc=org"
# root or superuser
rootdn "cn=admin,dc=example,dc=org"
rootpw admin
# The database directory MUST exist prior to running slapd AND
# change path as necessary
directory {{ .TempDir }}
TLSCertificateFile {{ .TLSCertPath }}
TLSCertificateKeyFile {{ .TLSKeyPath }}
# Indices to maintain for this directory
# unique id so equality match only
index uid eq
# allows general searching on commonname, givenname and email
index cn,gn,mail eq,sub
# allows multiple variants on surname searching
index sn eq,sub
# sub above includes subintial,subany,subfinal
# optimise department searches
index ou eq
# if searches will include objectClass uncomment following
# index objectClass eq
# shows use of default index parameter