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Implemented Smartcard support in NetworkManager frontend

This commit is contained in:
Martin Willi 2010-08-11 16:32:04 +02:00
parent 01e4f5f32f
commit 8bec0f5153
8 changed files with 180 additions and 19 deletions
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5
src/libcharon/plugins/nm/gnome/NEWS
View File

@ -1,3 +1,8 @@
NetworkManager-strongswan-1.2.0
-------------------------------
- Added Smartcard support
NetworkManager-strongswan-1.1.2
-------------------------------

14
src/libcharon/plugins/nm/gnome/auth-dialog/main.c
View File

@ -162,7 +162,7 @@ int main (int argc, char *argv[])
g_object_unref (program);
return 1;
}
if (!strcmp(type, "eap") || !strcmp(type, "key"))
if (!strcmp(type, "eap") || !strcmp(type, "key") || !strcmp(type, "smartcard"))
{
pass = lookup_password(name, service);
if (!pass || retry)
@ -172,14 +172,22 @@ int main (int argc, char *argv[])
dialog = gnome_password_dialog_new(_("VPN password required"),
_("EAP password required to establish VPN connection:"),
NULL, NULL, TRUE);
gnome_password_dialog_set_show_remember(GNOME_PASSWORD_DIALOG(dialog), TRUE);
}
else
else if (!strcmp(type, "key"))
{
dialog = gnome_password_dialog_new(_("VPN password required"),
_("Private key decryption password required to establish VPN connection:"),
NULL, NULL, TRUE);
gnome_password_dialog_set_show_remember(GNOME_PASSWORD_DIALOG(dialog), TRUE);
}
else /* smartcard */
{
dialog = gnome_password_dialog_new(_("VPN password required"),
_("Smartcard PIN required to establish VPN connection:"),
NULL, NULL, TRUE);
gnome_password_dialog_set_show_remember(GNOME_PASSWORD_DIALOG(dialog), FALSE);
}
gnome_password_dialog_set_show_remember(GNOME_PASSWORD_DIALOG(dialog), TRUE);
gnome_password_dialog_set_show_username(GNOME_PASSWORD_DIALOG(dialog), FALSE);
if (pass)
{

2
src/libcharon/plugins/nm/gnome/configure.ac
View File

@ -1,6 +1,6 @@
AC_PREREQ(2.52)
AC_INIT(NetworkManager-strongswan, 1.1.2, martin@strongswan.org, NetworkManager-strongswan)
AC_INIT(NetworkManager-strongswan, 1.2.0, martin@strongswan.org, NetworkManager-strongswan)
AM_INIT_AUTOMAKE([subdir-objects])
AM_MAINTAINER_MODE

30
src/libcharon/plugins/nm/gnome/po/de.po
View File

@ -6,7 +6,7 @@ msgid ""
msgstr ""
"Project-Id-Version: NetworkManager-strongswan\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2010-02-18 09:20+0100\n"
"POT-Creation-Date: 2010-08-11 16:12+0200\n"
"PO-Revision-Date: 2010-02-18 09:20+0100\n"
"Last-Translator: Martin Willi <martin@strongswan.org>\n"
"Language-Team: de <martin@strongswan.org>\n"
@ -22,15 +22,19 @@ msgstr "IPsec/IKEv2 (strongswan)"
msgid "IPsec with the IKEv2 key exchange protocol."
msgstr "IPsec mit dem IKEv2 Protokoll."
#: ../properties/nm-strongswan.c:200
#: ../properties/nm-strongswan.c:208
msgid "Certificate/private key"
msgstr "Zertifikat/Privater Schlüssel"
#: ../properties/nm-strongswan.c:201
#: ../properties/nm-strongswan.c:209
msgid "Certificate/ssh-agent"
msgstr "Zertifikat/ssh-agent"
#: ../properties/nm-strongswan.c:202
#: ../properties/nm-strongswan.c:210
msgid "Smartcard"
msgstr "Smartcard"
#: ../properties/nm-strongswan.c:211
msgid "EAP"
msgstr "EAP"
@ -87,8 +91,8 @@ msgid ""
"IPComp compresses raw IP packets before they get encrypted. This saves some "
"bandwith, but uses more processing power."
msgstr ""
"IPComp komprimiert IP-Pakete, bevor sie verschlsselt werden. Diese Option "
"kann Bandbreite sparen, bentigt jedoch zustzliche Rechenleistung."
"IPComp komprimiert IP-Pakete, bevor sie verschlüsselt werden. Diese Option "
"kann Bandbreite sparen, benötigt jedoch zusätzliche Rechenleistung."
#: ../properties/nm-strongswan-dialog.glade.h:13
msgid "Private _key:"
@ -126,7 +130,7 @@ msgstr ""
#: ../properties/nm-strongswan-dialog.glade.h:18
msgid "The username (identity) to use for authentication against the gateway."
msgstr "Benutzername/Identitt für die Authentisierung gegenüber dem Gateway."
msgstr "Benutzername/Identität für die Authentisierung gegenüber dem Gateway."
#: ../properties/nm-strongswan-dialog.glade.h:19
msgid "Use IP c_ompression"
@ -140,7 +144,8 @@ msgstr "_Adresse:"
msgid "_Username:"
msgstr "_Benutzername:"
#: ../auth-dialog/main.c:172 ../auth-dialog/main.c:178
#: ../auth-dialog/main.c:172 ../auth-dialog/main.c:179
#: ../auth-dialog/main.c:186
msgid "VPN password required"
msgstr "VPN Passwort notwendig"
@ -148,13 +153,18 @@ msgstr "VPN Passwort notwendig"
msgid "EAP password required to establish VPN connection:"
msgstr "Für die Erstellung des VPN-Tunnels ist ein EAP-Passwort erforderlich:"
#: ../auth-dialog/main.c:179
#: ../auth-dialog/main.c:180
msgid "Private key decryption password required to establish VPN connection:"
msgstr ""
"Der Private Schlüssel für die Erstellung des VPN-Tunnels ist durch ein "
"Passwort geschützt:"
#: ../auth-dialog/main.c:225
#: ../auth-dialog/main.c:187
#, fuzzy
msgid "Smartcard PIN required to establish VPN connection:"
msgstr "Für die Smartcard ist eine PIN erforderlich:"
#: ../auth-dialog/main.c:233
msgid ""
"Configuration uses ssh-agent for authentication, but ssh-agent is not "
"running!"

17
src/libcharon/plugins/nm/gnome/properties/nm-strongswan.c
View File

@ -142,6 +142,14 @@ static void update_layout (GtkWidget *widget, StrongswanPluginUiWidgetPrivate *p
gtk_widget_hide (glade_xml_get_widget (priv->xml, "userkey-button"));
break;
case 2:
gtk_widget_hide (glade_xml_get_widget (priv->xml, "usercert-label"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "usercert-button"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "user-label"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "user-entry"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "userkey-label"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "userkey-button"));
break;
case 3:
gtk_widget_show (glade_xml_get_widget (priv->xml, "user-label"));
gtk_widget_show (glade_xml_get_widget (priv->xml, "user-entry"));
gtk_widget_hide (glade_xml_get_widget (priv->xml, "usercert-label"));
@ -199,6 +207,7 @@ init_plugin_ui (StrongswanPluginUiWidget *self, NMConnection *connection, GError
widget = glade_xml_get_widget (priv->xml, "method-combo");
gtk_combo_box_append_text (GTK_COMBO_BOX (widget), _("Certificate/private key"));
gtk_combo_box_append_text (GTK_COMBO_BOX (widget), _("Certificate/ssh-agent"));
gtk_combo_box_append_text (GTK_COMBO_BOX (widget), _("Smartcard"));
gtk_combo_box_append_text (GTK_COMBO_BOX (widget), _("EAP"));
value = nm_setting_vpn_get_data_item (settings, "method");
if (value) {
@ -208,9 +217,12 @@ init_plugin_ui (StrongswanPluginUiWidget *self, NMConnection *connection, GError
if (g_strcmp0 (value, "agent") == 0) {
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 1);
}
if (g_strcmp0 (value, "eap") == 0) {
if (g_strcmp0 (value, "smartcard") == 0) {
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 2);
}
if (g_strcmp0 (value, "eap") == 0) {
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 3);
}
}
if (gtk_combo_box_get_active (GTK_COMBO_BOX (widget)) == -1)
{
@ -330,6 +342,9 @@ update_connection (NMVpnPluginUiWidgetInterface *iface,
str = "agent";
break;
case 2:
str = "smartcard";
break;
case 3:
widget = glade_xml_get_widget (priv->xml, "user-entry");
str = (char *) gtk_entry_get_text (GTK_ENTRY (widget));
if (str && strlen (str)) {

35
src/libcharon/plugins/nm/nm_creds.c
View File

@ -51,10 +51,15 @@ struct private_nm_creds_t {
char *pass;
/**
* Private key decryption password
* Private key decryption password / smartcard pin
*/
char *keypass;
/**
* private key ID of smartcard key
*/
chunk_t keyid;
/**
* users certificate
*/
@ -296,6 +301,14 @@ static enumerator_t* create_shared_enumerator(private_nm_creds_t *this,
}
key = chunk_create(this->keypass, strlen(this->keypass));
break;
case SHARED_PIN:
if (!this->keypass || !me ||
!chunk_equals(me->get_encoding(me), this->keyid))
{
return NULL;
}
key = chunk_create(this->keypass, strlen(this->keypass));
break;
default:
return NULL;
}
@ -402,6 +415,19 @@ static void set_key_password(private_nm_creds_t *this, char *password)
this->lock->unlock(this->lock);
}
/**
* Implementation of nm_creds_t.set_pin
*/
static void set_pin(private_nm_creds_t *this, chunk_t keyid, char *pin)
{
this->lock->write_lock(this->lock);
free(this->keypass);
free(this->keyid.ptr);
this->keypass = pin ? strdup(pin) : NULL;
this->keyid = chunk_clone(keyid);
this->lock->unlock(this->lock);
}
/**
* Implementation of nm_creds_t.set_cert_and_key
*/
@ -429,12 +455,16 @@ static void clear(private_nm_creds_t *this)
}
DESTROY_IF(this->user);
free(this->pass);
free(this->keypass);
free(this->keyid.ptr);
DESTROY_IF(this->usercert);
DESTROY_IF(this->key);
this->key = NULL;
this->usercert = NULL;
this->pass = NULL;
this->user = NULL;
this->keypass = NULL;
this->keyid = chunk_empty;
}
/**
@ -464,6 +494,7 @@ nm_creds_t *nm_creds_create()
this->public.load_ca_dir = (void(*)(nm_creds_t*, char *dir))load_ca_dir;
this->public.set_username_password = (void(*)(nm_creds_t*, identification_t *id, char *password))set_username_password;
this->public.set_key_password = (void(*)(nm_creds_t*, char *password))set_key_password;
this->public.set_pin = (void(*)(nm_creds_t*, chunk_t keyid, char *pin))set_pin;
this->public.set_cert_and_key = (void(*)(nm_creds_t*, certificate_t *cert, private_key_t *key))set_cert_and_key;
this->public.clear = (void(*)(nm_creds_t*))clear;
this->public.destroy = (void(*)(nm_creds_t*))destroy;
@ -475,6 +506,8 @@ nm_creds_t *nm_creds_create()
this->pass = NULL;
this->usercert = NULL;
this->key = NULL;
this->keypass = NULL;
this->keyid = chunk_empty;
return &this->public;
}

8
src/libcharon/plugins/nm/nm_creds.h
View File

@ -66,6 +66,14 @@ struct nm_creds_t {
*/
void (*set_key_password)(nm_creds_t *this, char *password);
/**
* Set the PIN to unlock a smartcard.
*
* @param keyid keyid of the smartcard key
* @param pin PIN
*/
void (*set_pin)(nm_creds_t *this, chunk_t keyid, char *pin);
/**
* Set the certificate and private key to use for client authentication.
*

88
src/libcharon/plugins/nm/nm_service.c
View File

@ -203,6 +203,59 @@ static bool ike_rekey(listener_t *listener, ike_sa_t *old, ike_sa_t *new)
return TRUE;
}
/**
* Find a certificate for which we have a private key on a smartcard
*/
static identification_t *find_smartcard_key(NMStrongswanPluginPrivate *priv,
char *pin)
{
enumerator_t *enumerator, *sans;
identification_t *id = NULL;
certificate_t *cert;
x509_t *x509;
private_key_t *key;
chunk_t keyid;
enumerator = lib->credmgr->create_cert_enumerator(lib->credmgr,
CERT_X509, KEY_ANY, NULL, FALSE);
while (enumerator->enumerate(enumerator, &cert))
{
x509 = (x509_t*)cert;
/* there might be a lot of certificates, filter them by usage */
if ((x509->get_flags(x509) & X509_CLIENT_AUTH) &&
!(x509->get_flags(x509) & X509_CA))
{
keyid = x509->get_subjectKeyIdentifier(x509);
if (keyid.ptr)
{
/* try to find a private key by the certificate keyid */
priv->creds->set_pin(priv->creds, keyid, pin);
key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
KEY_ANY, BUILD_PKCS11_KEYID, keyid, BUILD_END);
if (key)
{
/* prefer a more convenient subjectAltName */
sans = x509->create_subjectAltName_enumerator(x509);
if (!sans->enumerate(sans, &id))
{
id = cert->get_subject(cert);
}
id = id->clone(id);
sans->destroy(sans);
DBG1(DBG_CFG, "using smartcard certificate '%Y'", id);
priv->creds->set_cert_and_key(priv->creds,
cert->get_ref(cert), key);
break;
}
}
}
}
enumerator->destroy(enumerator);
return id;
}
/**
* Connect function called from NM via DBUS
*/
@ -224,7 +277,7 @@ static gboolean connect_(NMVPNPlugin *plugin, NMConnection *connection,
auth_class_t auth_class = AUTH_CLASS_EAP;
certificate_t *cert = NULL;
x509_t *x509;
bool agent = FALSE;
bool agent = FALSE, smartcard = FALSE;
lifetime_cfg_t lifetime = {
.time = {
.life = 10800 /* 3h */,
@ -279,6 +332,11 @@ static gboolean connect_(NMVPNPlugin *plugin, NMConnection *connection,
{
auth_class = AUTH_CLASS_PUBKEY;
}
else if (streq(str, "smartcard"))
{
auth_class = AUTH_CLASS_PUBKEY;
smartcard = TRUE;
}
}
/**
@ -338,9 +396,26 @@ static gboolean connect_(NMVPNPlugin *plugin, NMConnection *connection,
if (auth_class == AUTH_CLASS_PUBKEY)
{
if (smartcard)
{
char *pin;
pin = (char*)nm_setting_vpn_get_secret(vpn, "password");
if (pin)
{
user = find_smartcard_key(priv, pin);
}
if (!user)
{
g_set_error(err, NM_VPN_PLUGIN_ERROR,
NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
"no usable smartcard certificate found.");
gateway->destroy(gateway);
return FALSE;
}
}
/* ... or certificate/private key authenitcation */
str = nm_setting_vpn_get_data_item(vpn, "usercert");
if (str)
else if ((str = nm_setting_vpn_get_data_item(vpn, "usercert")))
{
public_key_t *public;
private_key_t *private = NULL;
@ -534,6 +609,13 @@ static gboolean need_secrets(NMVPNPlugin *plugin, NMConnection *connection,
}
}
}
else if streq(method, "smartcard")
{
if (nm_setting_vpn_get_secret(settings, "password"))
{
return FALSE;
}
}
}
*setting_name = NM_SETTING_VPN_SETTING_NAME;
return TRUE;