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Diffstat (limited to 'src/charon/plugins/nm/nm_service.c')
-rw-r--r--src/charon/plugins/nm/nm_service.c628
1 files changed, 0 insertions, 628 deletions
diff --git a/src/charon/plugins/nm/nm_service.c b/src/charon/plugins/nm/nm_service.c
deleted file mode 100644
index b05383c2b..000000000
--- a/src/charon/plugins/nm/nm_service.c
+++ /dev/null
@@ -1,628 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <nm-setting-vpn.h>
-#include <nm-setting-connection.h>
-#include "nm_service.h"
-
-#include <daemon.h>
-#include <utils/host.h>
-#include <utils/identification.h>
-#include <config/peer_cfg.h>
-#include <credentials/certificates/x509.h>
-
-#include <stdio.h>
-
-G_DEFINE_TYPE(NMStrongswanPlugin, nm_strongswan_plugin, NM_TYPE_VPN_PLUGIN)
-
-/**
- * Private data of NMStrongswanPlugin
- */
-typedef struct {
- /* implements bus listener interface */
- listener_t listener;
- /* IKE_SA we are listening on */
- ike_sa_t *ike_sa;
- /* backref to public plugin */
- NMVPNPlugin *plugin;
- /* credentials to use for authentication */
- nm_creds_t *creds;
- /* attribute handler for DNS/NBNS server information */
- nm_handler_t *handler;
- /* name of the connection */
- char *name;
-} NMStrongswanPluginPrivate;
-
-#define NM_STRONGSWAN_PLUGIN_GET_PRIVATE(o) \
- (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
- NM_TYPE_STRONGSWAN_PLUGIN, NMStrongswanPluginPrivate))
-
-/**
- * convert enumerated handler chunks to a UINT_ARRAY GValue
- */
-static GValue* handler_to_val(nm_handler_t *handler,
- configuration_attribute_type_t type)
-{
- GValue *val;
- GArray *array;
- enumerator_t *enumerator;
- chunk_t chunk;
-
- enumerator = handler->create_enumerator(handler, type);
- array = g_array_new (FALSE, TRUE, sizeof (guint32));
- while (enumerator->enumerate(enumerator, &chunk))
- {
- g_array_append_val (array, *(u_int32_t*)chunk.ptr);
- }
- enumerator->destroy(enumerator);
- val = g_slice_new0 (GValue);
- g_value_init (val, DBUS_TYPE_G_UINT_ARRAY);
- g_value_set_boxed (val, array);
-
- return val;
-}
-
-/**
- * signal IPv4 config to NM, set connection as established
- */
-static void signal_ipv4_config(NMVPNPlugin *plugin,
- ike_sa_t *ike_sa, child_sa_t *child_sa)
-{
- GValue *val;
- GHashTable *config;
- host_t *me, *other;
- nm_handler_t *handler;
-
- config = g_hash_table_new(g_str_hash, g_str_equal);
- me = ike_sa->get_my_host(ike_sa);
- other = ike_sa->get_other_host(ike_sa);
- handler = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin)->handler;
-
- /* NM requires a tundev, but netkey does not use one. Passing an invalid
- * iface makes NM complain, but it accepts it without fiddling on eth0. */
- val = g_slice_new0 (GValue);
- g_value_init (val, G_TYPE_STRING);
- g_value_set_string (val, "none");
- g_hash_table_insert (config, NM_VPN_PLUGIN_IP4_CONFIG_TUNDEV, val);
-
- val = g_slice_new0(GValue);
- g_value_init(val, G_TYPE_UINT);
- g_value_set_uint(val, *(u_int32_t*)me->get_address(me).ptr);
- g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, val);
-
- val = g_slice_new0(GValue);
- g_value_init(val, G_TYPE_UINT);
- g_value_set_uint(val, me->get_address(me).len * 8);
- g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val);
-
- val = handler_to_val(handler, INTERNAL_IP4_DNS);
- g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_DNS, val);
-
- val = handler_to_val(handler, INTERNAL_IP4_NBNS);
- g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_NBNS, val);
-
- handler->reset(handler);
-
- nm_vpn_plugin_set_ip4_config(plugin, config);
-}
-
-/**
- * signal failure to NM, connecting failed
- */
-static void signal_failure(NMVPNPlugin *plugin, NMVPNPluginFailure failure)
-{
- nm_handler_t *handler = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin)->handler;
-
- handler->reset(handler);
-
- /* TODO: NM does not handle this failure!? */
- nm_vpn_plugin_failure(plugin, failure);
- nm_vpn_plugin_set_state(plugin, NM_VPN_SERVICE_STATE_STOPPED);
-}
-
-/**
- * Implementation of listener_t.ike_state_change
- */
-static bool ike_state_change(listener_t *listener, ike_sa_t *ike_sa,
- ike_sa_state_t state)
-{
- NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
-
- if (private->ike_sa == ike_sa && state == IKE_DESTROYING)
- {
- signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED);
- return FALSE;
- }
- return TRUE;
-}
-
-/**
- * Implementation of listener_t.child_state_change
- */
-static bool child_state_change(listener_t *listener, ike_sa_t *ike_sa,
- child_sa_t *child_sa, child_sa_state_t state)
-{
- NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
-
- if (private->ike_sa == ike_sa && state == CHILD_DESTROYING)
- {
- signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED);
- return FALSE;
- }
- return TRUE;
-}
-
-/**
- * Implementation of listener_t.child_updown
- */
-static bool child_updown(listener_t *listener, ike_sa_t *ike_sa,
- child_sa_t *child_sa, bool up)
-{
- NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
-
- if (private->ike_sa == ike_sa)
- {
- if (up)
- { /* disable initiate-failure-detection hooks */
- private->listener.ike_state_change = NULL;
- private->listener.child_state_change = NULL;
- signal_ipv4_config(private->plugin, ike_sa, child_sa);
- }
- else
- {
- signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED);
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/**
- * Implementation of listener_t.ike_rekey
- */
-static bool ike_rekey(listener_t *listener, ike_sa_t *old, ike_sa_t *new)
-{
- NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
-
- if (private->ike_sa == old)
- { /* follow a rekeyed IKE_SA */
- private->ike_sa = new;
- }
- return TRUE;
-}
-
-/**
- * Connect function called from NM via DBUS
- */
-static gboolean connect_(NMVPNPlugin *plugin, NMConnection *connection,
- GError **err)
-{
- NMStrongswanPluginPrivate *priv;
- NMSettingConnection *conn;
- NMSettingVPN *vpn;
- identification_t *user = NULL, *gateway = NULL;
- const char *address, *str;
- bool virtual, encap, ipcomp;
- ike_cfg_t *ike_cfg;
- peer_cfg_t *peer_cfg;
- child_cfg_t *child_cfg;
- traffic_selector_t *ts;
- ike_sa_t *ike_sa;
- auth_cfg_t *auth;
- auth_class_t auth_class = AUTH_CLASS_EAP;
- certificate_t *cert = NULL;
- x509_t *x509;
- bool agent = FALSE;
- lifetime_cfg_t lifetime = {
- .time = {
- .life = 10800 /* 3h */,
- .rekey = 10200 /* 2h50min */,
- .jitter = 300 /* 5min */
- }
- };
-
- /**
- * Read parameters
- */
- priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
- conn = NM_SETTING_CONNECTION(nm_connection_get_setting(connection,
- NM_TYPE_SETTING_CONNECTION));
- vpn = NM_SETTING_VPN(nm_connection_get_setting(connection,
- NM_TYPE_SETTING_VPN));
- if (priv->name)
- {
- free(priv->name);
- }
- priv->name = strdup(nm_setting_connection_get_id(conn));
- DBG1(DBG_CFG, "received initiate for NetworkManager connection %s",
- priv->name);
- DBG4(DBG_CFG, "%s",
- nm_setting_to_string(NM_SETTING(vpn)));
- address = nm_setting_vpn_get_data_item(vpn, "address");
- if (!address || !*address)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Gateway address missing.");
- return FALSE;
- }
- str = nm_setting_vpn_get_data_item(vpn, "virtual");
- virtual = str && streq(str, "yes");
- str = nm_setting_vpn_get_data_item(vpn, "encap");
- encap = str && streq(str, "yes");
- str = nm_setting_vpn_get_data_item(vpn, "ipcomp");
- ipcomp = str && streq(str, "yes");
- str = nm_setting_vpn_get_data_item(vpn, "method");
- if (str)
- {
- if (streq(str, "psk"))
- {
- auth_class = AUTH_CLASS_PSK;
- }
- else if (streq(str, "agent"))
- {
- auth_class = AUTH_CLASS_PUBKEY;
- agent = TRUE;
- }
- else if (streq(str, "key"))
- {
- auth_class = AUTH_CLASS_PUBKEY;
- }
- }
-
- /**
- * Register credentials
- */
- priv->creds->clear(priv->creds);
-
- /* gateway/CA cert */
- str = nm_setting_vpn_get_data_item(vpn, "certificate");
- if (str)
- {
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FILE, str, BUILD_END);
- if (!cert)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR,
- NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Loading gateway certificate failed.");
- return FALSE;
- }
- priv->creds->add_certificate(priv->creds, cert);
-
- x509 = (x509_t*)cert;
- if (!(x509->get_flags(x509) & X509_CA))
- { /* For a gateway certificate, we use the cert subject as identity. */
- gateway = cert->get_subject(cert);
- gateway = gateway->clone(gateway);
- DBG1(DBG_CFG, "using gateway certificate, identity '%Y'", gateway);
- }
- }
- else
- {
- /* no certificate defined, fall back to system-wide CA certificates */
- priv->creds->load_ca_dir(priv->creds, NM_CA_DIR);
- }
- if (!gateway)
- {
- /* If the user configured a CA certificate, we use the IP/DNS
- * of the gateway as its identity. This identity will be used for
- * certificate lookup and requires the configured IP/DNS to be
- * included in the gateway certificate. */
- gateway = identification_create_from_string((char*)address);
- DBG1(DBG_CFG, "using CA certificate, gateway identity '%Y'", gateway);
- }
-
- if (auth_class == AUTH_CLASS_EAP)
- {
- /* username/password authentication ... */
- str = nm_setting_vpn_get_data_item(vpn, "user");
- if (str)
- {
- user = identification_create_from_string((char*)str);
- str = nm_setting_vpn_get_secret(vpn, "password");
- priv->creds->set_username_password(priv->creds, user, (char*)str);
- }
- }
-
- if (auth_class == AUTH_CLASS_PUBKEY)
- {
- /* ... or certificate/private key authenitcation */
- str = nm_setting_vpn_get_data_item(vpn, "usercert");
- if (str)
- {
- public_key_t *public;
- private_key_t *private = NULL;
-
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FILE, str, BUILD_END);
- if (!cert)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR,
- NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Loading peer certificate failed.");
- gateway->destroy(gateway);
- return FALSE;
- }
- /* try agent */
- str = nm_setting_vpn_get_secret(vpn, "agent");
- if (agent && str)
- {
- public = cert->get_public_key(cert);
- if (public)
- {
- private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
- public->get_type(public),
- BUILD_AGENT_SOCKET, str,
- BUILD_PUBLIC_KEY, public,
- BUILD_END);
- public->destroy(public);
- }
- if (!private)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR,
- NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Connecting to SSH agent failed.");
- }
- }
- /* ... or key file */
- str = nm_setting_vpn_get_data_item(vpn, "userkey");
- if (!agent && str)
- {
- chunk_t secret;
-
- secret.ptr = (char*)nm_setting_vpn_get_secret(vpn, "password");
- if (secret.ptr)
- {
- secret.len = strlen(secret.ptr);
- }
- private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
- KEY_RSA, BUILD_FROM_FILE, str,
- BUILD_PASSPHRASE, secret, BUILD_END);
- if (!private)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR,
- NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Loading private key failed.");
- }
- }
- if (private)
- {
- user = cert->get_subject(cert);
- user = user->clone(user);
- priv->creds->set_cert_and_key(priv->creds, cert, private);
- }
- else
- {
- DESTROY_IF(cert);
- gateway->destroy(gateway);
- return FALSE;
- }
- }
- }
-
- if (!user)
- {
- g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
- "Configuration parameters missing.");
- gateway->destroy(gateway);
- return FALSE;
- }
-
- /**
- * Set up configurations
- */
- ike_cfg = ike_cfg_create(TRUE, encap, "0.0.0.0", (char*)address);
- ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE));
- peer_cfg = peer_cfg_create(priv->name, 2, ike_cfg,
- CERT_SEND_IF_ASKED, UNIQUE_REPLACE, 1, /* keyingtries */
- 36000, 0, /* rekey 10h, reauth none */
- 600, 600, /* jitter, over 10min */
- TRUE, 0, /* mobike, DPD */
- virtual ? host_create_from_string("0.0.0.0", 0) : NULL,
- NULL, FALSE, NULL, NULL); /* pool, mediation */
- auth = auth_cfg_create();
- auth->add(auth, AUTH_RULE_AUTH_CLASS, auth_class);
- auth->add(auth, AUTH_RULE_IDENTITY, user);
- peer_cfg->add_auth_cfg(peer_cfg, auth, TRUE);
- auth = auth_cfg_create();
- auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
- auth->add(auth, AUTH_RULE_IDENTITY, gateway);
- peer_cfg->add_auth_cfg(peer_cfg, auth, FALSE);
-
- child_cfg = child_cfg_create(priv->name, &lifetime,
- NULL, TRUE, MODE_TUNNEL, /* updown, hostaccess */
- ACTION_NONE, ACTION_NONE, ipcomp, 0);
- child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP));
- ts = traffic_selector_create_dynamic(0, 0, 65535);
- child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
- ts = traffic_selector_create_from_string(0, TS_IPV4_ADDR_RANGE,
- "0.0.0.0", 0,
- "255.255.255.255", 65535);
- child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
- peer_cfg->add_child_cfg(peer_cfg, child_cfg);
-
- /**
- * Prepare IKE_SA
- */
- ike_sa = charon->ike_sa_manager->checkout_by_config(charon->ike_sa_manager,
- peer_cfg);
- if (!ike_sa->get_peer_cfg(ike_sa))
- {
- ike_sa->set_peer_cfg(ike_sa, peer_cfg);
- }
- peer_cfg->destroy(peer_cfg);
-
- /**
- * Register listener, enable initiate-failure-detection hooks
- */
- priv->ike_sa = ike_sa;
- priv->listener.ike_state_change = ike_state_change;
- priv->listener.child_state_change = child_state_change;
- charon->bus->add_listener(charon->bus, &priv->listener);
-
- /**
- * Initiate
- */
- if (ike_sa->initiate(ike_sa, child_cfg, 0, NULL, NULL) != SUCCESS)
- {
- charon->bus->remove_listener(charon->bus, &priv->listener);
- charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, ike_sa);
-
- g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_LAUNCH_FAILED,
- "Initiating failed.");
- return FALSE;
- }
- charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
- return TRUE;
-}
-
-/**
- * NeedSecrets called from NM via DBUS
- */
-static gboolean need_secrets(NMVPNPlugin *plugin, NMConnection *connection,
- char **setting_name, GError **error)
-{
- NMSettingVPN *settings;
- const char *method, *path;
-
- settings = NM_SETTING_VPN(nm_connection_get_setting(connection,
- NM_TYPE_SETTING_VPN));
- method = nm_setting_vpn_get_data_item(settings, "method");
- if (method)
- {
- if (streq(method, "eap"))
- {
- if (nm_setting_vpn_get_secret(settings, "password"))
- {
- return FALSE;
- }
- }
- else if (streq(method, "agent"))
- {
- if (nm_setting_vpn_get_secret(settings, "agent"))
- {
- return FALSE;
- }
- }
- else if (streq(method, "key"))
- {
- path = nm_setting_vpn_get_data_item(settings, "userkey");
- if (path)
- {
- private_key_t *key;
- chunk_t secret;
-
- secret.ptr = (char*)nm_setting_vpn_get_secret(settings, "password");
- if (secret.ptr)
- {
- secret.len = strlen(secret.ptr);
- }
- /* try to load/decrypt the private key */
- key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
- KEY_RSA, BUILD_FROM_FILE, path,
- BUILD_PASSPHRASE, secret, BUILD_END);
- if (key)
- {
- key->destroy(key);
- return FALSE;
- }
- }
- }
- }
- *setting_name = NM_SETTING_VPN_SETTING_NAME;
- return TRUE;
-}
-
-/**
- * Disconnect called from NM via DBUS
- */
-static gboolean disconnect(NMVPNPlugin *plugin, GError **err)
-{
- NMStrongswanPluginPrivate *priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
- enumerator_t *enumerator;
- ike_sa_t *ike_sa;
- u_int id;
-
- /* our ike_sa pointer might be invalid, lookup sa */
- enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
- while (enumerator->enumerate(enumerator, &ike_sa))
- {
- if (priv->ike_sa == ike_sa)
- {
- id = ike_sa->get_unique_id(ike_sa);
- enumerator->destroy(enumerator);
- charon->controller->terminate_ike(charon->controller, id,
- controller_cb_empty, NULL);
- return TRUE;
- }
- }
- enumerator->destroy(enumerator);
-
- g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_GENERAL,
- "Connection not found.");
- return FALSE;
-}
-
-/**
- * Initializer
- */
-static void nm_strongswan_plugin_init(NMStrongswanPlugin *plugin)
-{
- NMStrongswanPluginPrivate *priv;
-
- priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
- priv->plugin = NM_VPN_PLUGIN(plugin);
- memset(&priv->listener.log, 0, sizeof(listener_t));
- priv->listener.child_updown = child_updown;
- priv->listener.ike_rekey = ike_rekey;
-}
-
-/**
- * Class constructor
- */
-static void nm_strongswan_plugin_class_init(
- NMStrongswanPluginClass *strongswan_class)
-{
- NMVPNPluginClass *parent_class = NM_VPN_PLUGIN_CLASS(strongswan_class);
-
- g_type_class_add_private(G_OBJECT_CLASS(strongswan_class),
- sizeof(NMStrongswanPluginPrivate));
- parent_class->connect = connect_;
- parent_class->need_secrets = need_secrets;
- parent_class->disconnect = disconnect;
-}
-
-/**
- * Object constructor
- */
-NMStrongswanPlugin *nm_strongswan_plugin_new(nm_creds_t *creds,
- nm_handler_t *handler)
-{
- NMStrongswanPlugin *plugin = (NMStrongswanPlugin *)g_object_new (
- NM_TYPE_STRONGSWAN_PLUGIN,
- NM_VPN_PLUGIN_DBUS_SERVICE_NAME, NM_DBUS_SERVICE_STRONGSWAN,
- NULL);
- if (plugin)
- {
- NMStrongswanPluginPrivate *priv;
-
- priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
- priv->creds = creds;
- priv->handler = handler;
- priv->name = NULL;
- }
- return plugin;
-}
-