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Code Releases Activity

Use SecurityProtocol to replace UseSSL in LDAP config

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Initially proposed by #2376 and fixes #3068 as well.
This commit is contained in:
Unknwon
2016-07-08 07:25:09 +08:00
parent 326c982660
commit 401bf944ef
15 changed files with 228 additions and 67 deletions
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73
modules/auth/ldap/ldap.go
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@@ -16,12 +16,21 @@ import (
"github.com/gogits/gogs/modules/log"
)
type SecurityProtocol int
// Note: new type must be added at the end of list to maintain compatibility.
const (
SECURITY_PROTOCOL_UNENCRYPTED SecurityProtocol = iota
SECURITY_PROTOCOL_LDAPS
SECURITY_PROTOCOL_START_TLS
)
// Basic LDAP authentication service
type Source struct {
Name string // canonical name (ie. corporate.ad)
Host string // LDAP host
Port int // port number
UseSSL bool // Use SSL
SecurityProtocol SecurityProtocol
SkipVerify bool
BindDN string // DN to bind with
BindPassword string // Bind DN password
@@ -102,9 +111,46 @@ func (ls *Source) findUserDN(l *ldap.Conn, name string) (string, bool) {
return userDN, true
}
func dial(ls *Source) (*ldap.Conn, error) {
log.Trace("Dialing LDAP with security protocol (%v) without verifying: %v", ls.SecurityProtocol, ls.SkipVerify)
tlsCfg := &tls.Config{
ServerName: ls.Host,
InsecureSkipVerify: ls.SkipVerify,
}
if ls.SecurityProtocol == SECURITY_PROTOCOL_LDAPS {
return ldap.DialTLS("tcp", fmt.Sprintf("%s:%d", ls.Host, ls.Port), tlsCfg)
}
conn, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", ls.Host, ls.Port))
if err != nil {
return nil, fmt.Errorf("Dial: %v", err)
}
if ls.SecurityProtocol == SECURITY_PROTOCOL_START_TLS {
if err = conn.StartTLS(tlsCfg); err != nil {
conn.Close()
return nil, fmt.Errorf("StartTLS: %v", err)
}
}
return conn, nil
}
func bindUser(l *ldap.Conn, userDN, passwd string) error {
log.Trace("Binding with userDN: %s", userDN)
err := l.Bind(userDN, passwd)
if err != nil {
log.Debug("LDAP auth. failed for %s, reason: %v", userDN, err)
return err
}
log.Trace("Bound successfully with userDN: %s", userDN)
return err
}
// searchEntry : search an LDAP source if an entry (name, passwd) is valid and in the specific filter
func (ls *Source) SearchEntry(name, passwd string, directBind bool) (string, string, string, string, bool, bool) {
l, err := ldapDial(ls)
l, err := dial(ls)
if err != nil {
log.Error(4, "LDAP Connect error, %s:%v", ls.Host, err)
ls.Enabled = false
@@ -197,26 +243,3 @@ func (ls *Source) SearchEntry(name, passwd string, directBind bool) (string, str
return username_attr, name_attr, sn_attr, mail_attr, admin_attr, true
}
func bindUser(l *ldap.Conn, userDN, passwd string) error {
log.Trace("Binding with userDN: %s", userDN)
err := l.Bind(userDN, passwd)
if err != nil {
log.Debug("LDAP auth. failed for %s, reason: %v", userDN, err)
return err
}
log.Trace("Bound successfully with userDN: %s", userDN)
return err
}
func ldapDial(ls *Source) (*ldap.Conn, error) {
if ls.UseSSL {
log.Debug("Using TLS for LDAP without verifying: %v", ls.SkipVerify)
return ldap.DialTLS("tcp", fmt.Sprintf("%s:%d", ls.Host, ls.Port), &tls.Config{
ServerName: ls.Host,
InsecureSkipVerify: ls.SkipVerify,
})
} else {
return ldap.Dial("tcp", fmt.Sprintf("%s:%d", ls.Host, ls.Port))
}
}