Remove OpenVPN helper
Max Moser
parent
dcc1aac12d
commit
e5b87cbc8c
12
Makefile.am
12
Makefile.am
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@ -74,18 +74,6 @@ src_nm_wireguard_service_LDADD = \
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EXTRA_src_nm_wireguard_service_DEPENDENCIES = \
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linker-script-binary.ver
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libexec_PROGRAMS += src/nm-openvpn-service-openvpn-helper
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src_nm_openvpn_service_openvpn_helper_CPPFLAGS = $(src_cppflags)
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src_nm_openvpn_service_openvpn_helper_LDFLAGS = \
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-Wl,--version-script="$(srcdir)/linker-script-binary.ver"
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src_nm_openvpn_service_openvpn_helper_LDADD = \
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src/libnm-utils.la \
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$(GLIB_LIBS) \
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$(LIBNM_LIBS)
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EXTRA_src_nm_openvpn_service_openvpn_helper_DEPENDENCIES = \
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linker-script-binary.ver
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###############################################################################
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properties/resources.h: properties/gresource.xml
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@ -1,777 +0,0 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* nm-openvpn-service-openvpn-helper - helper called after OpenVPN established
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* a connection, uses DBUS to send information back to nm-openvpn-service
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*
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* Tim Niemueller [www.niemueller.de]
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* Based on work by Dan Williams <dcbw@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2005 Red Hat, Inc.
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* (C) Copyright 2005 Tim Niemueller
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*
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* $Id: nm-openvpn-service-openvpn-helper.c 4170 2008-10-11 14:44:45Z dcbw $
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*/
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#include "nm-default.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <regex.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <ctype.h>
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#include <netdb.h>
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#include <syslog.h>
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#include "nm-utils/nm-shared-utils.h"
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#include "nm-utils/nm-vpn-plugin-macros.h"
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extern char **environ;
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static struct {
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int log_level;
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const char *log_prefix_token;
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} gl;
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/*****************************************************************************/
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#define _NMLOG(level, ...) \
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G_STMT_START { \
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if (gl.log_level >= (level)) { \
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g_print ("nm-openvpn[%s]: %-7s [helper-%ld] " _NM_UTILS_MACRO_FIRST (__VA_ARGS__) "\n", \
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gl.log_prefix_token ?: "???", \
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nm_utils_syslog_to_str (level), \
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(long) getpid () \
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_NM_UTILS_MACRO_REST (__VA_ARGS__)); \
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} \
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} G_STMT_END
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static inline gboolean
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_LOGD_enabled (void)
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{
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return gl.log_level >= LOG_INFO;
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}
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#define _LOGD(...) _NMLOG(LOG_INFO, __VA_ARGS__)
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#define _LOGI(...) _NMLOG(LOG_NOTICE, __VA_ARGS__)
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#define _LOGW(...) _NMLOG(LOG_WARNING, __VA_ARGS__)
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/*****************************************************************************/
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static void
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helper_failed (GDBusProxy *proxy, const char *reason)
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{
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GError *err = NULL;
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_LOGW ("nm-openvpn-service-openvpn-helper did not receive a valid %s from openvpn", reason);
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if (!g_dbus_proxy_call_sync (proxy, "SetFailure",
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g_variant_new ("(s)", reason),
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G_DBUS_CALL_FLAGS_NONE, -1,
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NULL,
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&err)) {
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_LOGW ("Could not send failure information: %s", err->message);
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g_error_free (err);
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}
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exit (1);
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}
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static void
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send_config (GDBusProxy *proxy, GVariant *config,
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GVariant *ip4config, GVariant *ip6config)
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{
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GError *err = NULL;
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if (!g_dbus_proxy_call_sync (proxy, "SetConfig",
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g_variant_new ("(*)", config),
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G_DBUS_CALL_FLAGS_NONE, -1,
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NULL,
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&err)) {
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_LOGW ("Could not send configuration information: %s", err->message);
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g_error_free (err);
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err = NULL;
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}
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if (ip4config) {
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if (!g_dbus_proxy_call_sync (proxy, "SetIp4Config",
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g_variant_new ("(*)", ip4config),
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G_DBUS_CALL_FLAGS_NONE, -1,
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NULL,
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&err)) {
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_LOGW ("Could not send IPv4 configuration information: %s", err->message);
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g_error_free (err);
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err = NULL;
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}
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}
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if (ip6config) {
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if (!g_dbus_proxy_call_sync (proxy, "SetIp6Config",
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g_variant_new ("(*)", ip6config),
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G_DBUS_CALL_FLAGS_NONE, -1,
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NULL,
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&err)) {
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_LOGW ("Could not send IPv6 configuration information: %s", err->message);
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g_error_free (err);
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err = NULL;
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}
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}
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}
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static GVariant *
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str_to_gvariant (const char *str, gboolean try_convert)
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{
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/* Empty */
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if (!str || strlen (str) < 1)
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return NULL;
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if (!g_utf8_validate (str, -1, NULL)) {
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if (try_convert && !(str = g_convert (str, -1, "ISO-8859-1", "UTF-8", NULL, NULL, NULL)))
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str = g_convert (str, -1, "C", "UTF-8", NULL, NULL, NULL);
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if (!str)
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/* Invalid */
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return NULL;
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}
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return g_variant_new_string (str);
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}
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static GVariant *
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addr4_to_gvariant (const char *str)
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{
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struct in_addr temp_addr;
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/* Empty */
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if (!str || strlen (str) < 1)
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return NULL;
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if (inet_pton (AF_INET, str, &temp_addr) <= 0)
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return NULL;
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return g_variant_new_uint32 (temp_addr.s_addr);
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}
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static GVariant *
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addr6_to_gvariant (const char *str)
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{
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struct in6_addr temp_addr;
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GVariantBuilder builder;
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int i;
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/* Empty */
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if (!str || strlen (str) < 1)
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return NULL;
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if (inet_pton (AF_INET6, str, &temp_addr) <= 0)
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return NULL;
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g_variant_builder_init (&builder, G_VARIANT_TYPE ("ay"));
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for (i = 0; i < sizeof (temp_addr); i++)
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g_variant_builder_add (&builder, "y", ((guint8 *) &temp_addr)[i]);
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return g_variant_builder_end (&builder);
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}
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static void
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parse_addr_list (GPtrArray *array4, GPtrArray *array6, const char *str)
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{
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char **split;
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int i;
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GVariant *variant;
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/* Empty */
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if (!str || strlen (str) < 1)
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return;
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split = g_strsplit (str, " ", -1);
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for (i = 0; split[i]; i++) {
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if (array4 && (variant = addr4_to_gvariant (split[i])) != NULL)
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g_ptr_array_add (array4, variant);
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else if (array6 && (variant = addr6_to_gvariant (split[i])) != NULL)
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g_ptr_array_add (array6, variant);
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}
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g_strfreev (split);
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return;
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}
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static inline gboolean
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is_domain_valid (const char *str)
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{
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return (str && (strlen(str) >= 1) && (strlen(str) <= 255));
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}
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static GVariant *
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get_ip4_routes (void)
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{
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GVariantBuilder builder;
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char *tmp;
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gboolean has_any = FALSE;
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guint i;
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g_variant_builder_init (&builder, G_VARIANT_TYPE ("aau"));
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for (i = 1;; i++) {
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GVariantBuilder array;
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char key_name[255];
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in_addr_t network;
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in_addr_t netmask;
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in_addr_t gateway = 0;
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guint32 metric;
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nm_sprintf_buf (key_name, "route_network_%u", i);
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tmp = getenv (key_name);
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if (!tmp || !tmp[0])
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break;
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if (inet_pton (AF_INET, tmp, &network) != 1) {
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_LOGW ("Ignoring invalid static route address %s = \"%s\"", key_name, tmp);
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continue;
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}
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nm_sprintf_buf (key_name, "route_netmask_%u", i);
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tmp = getenv (key_name);
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if ( !tmp
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|| inet_pton (AF_INET, tmp, &netmask) != 1) {
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_LOGW ("Ignoring invalid static route netmask %s = %s%s%s", key_name, NM_PRINT_FMT_QUOTE_STRING (tmp));
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continue;
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}
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nm_sprintf_buf (key_name, "route_gateway_%u", i);
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tmp = getenv (key_name);
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/* gateway can be missing */
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if ( tmp
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&& inet_pton (AF_INET, tmp, &gateway) != 1) {
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_LOGW ("Ignoring invalid static route gateway %s = \"%s\"", key_name, tmp);
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continue;
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}
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nm_sprintf_buf (key_name, "route_metric_%u", i);
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tmp = getenv (key_name);
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/* metric can be missing */
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if (tmp && tmp[0]) {
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metric = _nm_utils_ascii_str_to_int64 (tmp, 10, 0, G_MAXUINT32, 0);
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if (errno) {
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_LOGW ("Ignoring invalid static route metric %s = \"%s\"", key_name, tmp);
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continue;
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}
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} else
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metric = 0;
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g_variant_builder_init (&array, G_VARIANT_TYPE ("au"));
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g_variant_builder_add_value (&array, g_variant_new_uint32 (network));
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g_variant_builder_add_value (&array, g_variant_new_uint32 (nm_utils_ip4_netmask_to_prefix (netmask)));
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g_variant_builder_add_value (&array, g_variant_new_uint32 (gateway));
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g_variant_builder_add_value (&array, g_variant_new_uint32 (metric));
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g_variant_builder_add_value (&builder, g_variant_builder_end (&array));
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has_any = TRUE;
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}
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if (!has_any) {
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g_variant_builder_clear (&builder);
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return NULL;
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}
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return g_variant_builder_end (&builder);
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}
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static GVariant *
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get_ip6_routes (void)
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{
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gs_unref_ptrarray GPtrArray *routes = NULL;
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guint i;
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routes = g_ptr_array_new_full (10, (GDestroyNotify) nm_ip_route_unref);
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for (i = 1;; i++) {
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NMIPRoute *route;
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GError *error = NULL;
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gs_free char *dst = NULL;
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char key_name[255];
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int prefix;
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const char *tmp;
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nm_sprintf_buf (key_name, "route_ipv6_network_%u", i);
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tmp = getenv (key_name);
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if (!tmp || !tmp[0])
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break;
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if ( !nm_utils_parse_inaddr_prefix (tmp, AF_INET6, &dst, &prefix)
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|| prefix == -1) {
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_LOGW ("Ignoring invalid static route %s = \"%s\"", key_name, tmp);
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continue;
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}
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nm_sprintf_buf (key_name, "route_ipv6_gateway_%u", i);
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tmp = getenv (key_name);
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route = nm_ip_route_new (AF_INET6, dst, prefix, tmp, -1, &error);
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if (!route) {
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_LOGW ("Ignoring route#%u: %s", i, error->message);
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g_error_free (error);
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continue;
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}
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g_ptr_array_add (routes, route);
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}
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if (!routes->len)
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return NULL;
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return nm_utils_ip6_routes_to_variant (routes);
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}
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static GVariant *
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trusted_remote_to_gvariant (void)
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{
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char *tmp;
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GVariant *val = NULL;
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const char *p;
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gboolean is_name = FALSE;
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tmp = getenv ("trusted_ip6");
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if (tmp) {
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val = addr6_to_gvariant (tmp);
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if (val == NULL) {
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_LOGW ("failed to convert VPN gateway address '%s' (%d)",
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tmp, errno);
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return NULL;
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}
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return val;
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}
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tmp = getenv ("trusted_ip");
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if (!tmp)
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tmp = getenv ("remote_1");
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if (!tmp) {
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_LOGW ("did not receive remote gateway address");
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return NULL;
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}
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/* Check if it seems to be a hostname */
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p = tmp;
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while (*p) {
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if (*p != '.' && !isdigit (*p)) {
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is_name = TRUE;
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break;
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}
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p++;
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}
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/* Resolve a hostname if required. Only look for IPv4 addresses */
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if (is_name) {
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struct in_addr addr;
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struct addrinfo hints;
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struct addrinfo *result = NULL, *rp;
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int err;
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addr.s_addr = 0;
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memset (&hints, 0, sizeof (hints));
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hints.ai_family = AF_INET;
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hints.ai_flags = AI_ADDRCONFIG;
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err = getaddrinfo (tmp, NULL, &hints, &result);
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if (err != 0) {
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_LOGW ("failed to look up VPN gateway address '%s' (%d)",
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tmp, err);
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return NULL;
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}
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/* FIXME: so what if the name resolves to multiple IP addresses? We
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* don't know which one pptp decided to use so we could end up using a
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* different one here, and the VPN just won't work.
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*/
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for (rp = result; rp; rp = rp->ai_next) {
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if ( (rp->ai_family == AF_INET)
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&& (rp->ai_addrlen == sizeof (struct sockaddr_in))) {
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struct sockaddr_in *inptr = (struct sockaddr_in *) rp->ai_addr;
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memcpy (&addr, &(inptr->sin_addr), sizeof (struct in_addr));
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break;
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}
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}
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freeaddrinfo (result);
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if (addr.s_addr != 0)
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return g_variant_new_uint32 (addr.s_addr);
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else {
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_LOGW ("failed to convert or look up VPN gateway address '%s'",
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tmp);
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return NULL;
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}
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} else {
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val = addr4_to_gvariant (tmp);
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if (val == NULL) {
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_LOGW ("failed to convert VPN gateway address '%s' (%d)",
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tmp, errno);
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return NULL;
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}
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}
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return val;
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}
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int
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main (int argc, char *argv[])
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{
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GDBusProxy *proxy;
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GVariantBuilder builder, ip4builder, ip6builder;
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GVariant *ip4config, *ip6config;
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char *tmp;
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GVariant *val;
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int i;
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GError *err = NULL;
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GPtrArray *dns4_list, *dns6_list;
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GPtrArray *nbns_list;
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GPtrArray *dns_domains;
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struct in_addr temp_addr;
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int tapdev = -1;
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char **iter;
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int shift = 0;
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gboolean is_restart;
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gboolean has_ip4_prefix = FALSE;
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gboolean has_ip4_address = FALSE;
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gboolean has_ip6_address = FALSE;
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gchar *bus_name = NM_DBUS_SERVICE_OPENVPN;
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#if !GLIB_CHECK_VERSION (2, 35, 0)
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g_type_init ();
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#endif
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for (i = 1; i < argc; i++) {
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if (!strcmp (argv[i], "--")) {
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i++;
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break;
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}
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if (nm_streq (argv[i], "--debug")) {
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if (i + 2 >= argc) {
|
||||
g_printerr ("Missing debug arguments (requires <LEVEL> <PREFIX_TOKEN>)\n");
|
||||
exit (1);
|
||||
}
|
||||
gl.log_level = _nm_utils_ascii_str_to_int64 (argv[++i], 10, 0, LOG_DEBUG, 0);
|
||||
gl.log_prefix_token = argv[++i];
|
||||
} else if (!strcmp (argv[i], "--tun"))
|
||||
tapdev = 0;
|
||||
else if (!strcmp (argv[i], "--tap"))
|
||||
tapdev = 1;
|
||||
else if (!strcmp (argv[i], "--bus-name")) {
|
||||
if (++i == argc) {
|
||||
g_printerr ("Missing bus name argument\n");
|
||||
exit (1);
|
||||
}
|
||||
if (!g_dbus_is_name (argv[i])) {
|
||||
g_printerr ("Invalid bus name\n");
|
||||
exit (1);
|
||||
}
|
||||
bus_name = argv[i];
|
||||
} else
|
||||
break;
|
||||
}
|
||||
shift = i - 1;
|
||||
|
||||
if (_LOGD_enabled ()) {
|
||||
GString *args;
|
||||
|
||||
args = g_string_new (NULL);
|
||||
for (i = 0; i < argc; i++) {
|
||||
if (i > 0)
|
||||
g_string_append_c (args, ' ');
|
||||
if (shift && 1 + shift == i)
|
||||
g_string_append (args, " ");
|
||||
tmp = g_strescape (argv[i], NULL);
|
||||
g_string_append_printf (args, "\"%s\"", tmp);
|
||||
g_free (tmp);
|
||||
}
|
||||
|
||||
_LOGD ("command line: %s", args->str);
|
||||
g_string_free (args, TRUE);
|
||||
|
||||
for (iter = environ; iter && *iter; iter++)
|
||||
_LOGD ("environment: %s", *iter);
|
||||
}
|
||||
|
||||
/* shift the arguments to the right leaving only those provided by openvpn */
|
||||
argv[shift] = argv[0];
|
||||
argv += shift;
|
||||
argc -= shift;
|
||||
|
||||
is_restart = argc >= 7 && !g_strcmp0 (argv[6], "restart");
|
||||
|
||||
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
|
||||
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
|
||||
NULL,
|
||||
bus_name,
|
||||
NM_VPN_DBUS_PLUGIN_PATH,
|
||||
NM_VPN_DBUS_PLUGIN_INTERFACE,
|
||||
NULL, &err);
|
||||
if (!proxy) {
|
||||
_LOGW ("Could not create a D-Bus proxy: %s", err->message);
|
||||
g_error_free (err);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
|
||||
g_variant_builder_init (&ip4builder, G_VARIANT_TYPE_VARDICT);
|
||||
g_variant_builder_init (&ip6builder, G_VARIANT_TYPE_VARDICT);
|
||||
|
||||
/* External world-visible VPN gateway */
|
||||
val = trusted_remote_to_gvariant ();
|
||||
if (val)
|
||||
g_variant_builder_add (&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, val);
|
||||
else
|
||||
helper_failed (proxy, "VPN Gateway");
|
||||
|
||||
/* Internal VPN subnet gateway */
|
||||
tmp = getenv ("route_vpn_gateway");
|
||||
val = addr4_to_gvariant (tmp);
|
||||
if (val)
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_INT_GATEWAY, val);
|
||||
else {
|
||||
val = addr6_to_gvariant (tmp);
|
||||
if (val)
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_INT_GATEWAY, val);
|
||||
}
|
||||
|
||||
/* VPN device */
|
||||
tmp = getenv ("dev");
|
||||
val = str_to_gvariant (tmp, FALSE);
|
||||
if (val)
|
||||
g_variant_builder_add (&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_TUNDEV, val);
|
||||
else
|
||||
helper_failed (proxy, "Tunnel Device");
|
||||
|
||||
if (tapdev == -1)
|
||||
tapdev = strncmp (tmp, "tap", 3) == 0;
|
||||
|
||||
/* IPv4 address */
|
||||
tmp = getenv ("ifconfig_local");
|
||||
if (!tmp && is_restart)
|
||||
tmp = argv[4];
|
||||
if (tmp && strlen (tmp)) {
|
||||
val = addr4_to_gvariant (tmp);
|
||||
if (val) {
|
||||
has_ip4_address = TRUE;
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, val);
|
||||
} else
|
||||
helper_failed (proxy, "IP4 Address");
|
||||
}
|
||||
|
||||
/* PTP address; for vpnc PTP address == internal IP4 address */
|
||||
tmp = getenv ("ifconfig_remote");
|
||||
if (!tmp && is_restart)
|
||||
tmp = argv[5];
|
||||
val = addr4_to_gvariant (tmp);
|
||||
if (val) {
|
||||
/* Sigh. Openvpn added 'topology' stuff in 2.1 that changes the meaning
|
||||
* of the ifconfig bits without actually telling you what they are
|
||||
* supposed to mean; basically relying on specific 'ifconfig' behavior.
|
||||
*/
|
||||
if (tmp && !strncmp (tmp, "255.", 4)) {
|
||||
guint32 addr;
|
||||
|
||||
/* probably a netmask, not a PTP address; topology == subnet */
|
||||
addr = g_variant_get_uint32 (val);
|
||||
g_variant_unref (val);
|
||||
val = g_variant_new_uint32 (nm_utils_ip4_netmask_to_prefix (addr));
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val);
|
||||
has_ip4_prefix = TRUE;
|
||||
} else
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_PTP, val);
|
||||
}
|
||||
|
||||
/* Netmask
|
||||
*
|
||||
* Either TAP or TUN modes can have an arbitrary netmask in newer versions
|
||||
* of openvpn, while in older versions only TAP mode would. So accept a
|
||||
* netmask if passed, otherwise default to /32 for TUN devices since they
|
||||
* are usually point-to-point.
|
||||
*/
|
||||
tmp = getenv ("ifconfig_netmask");
|
||||
if (tmp && inet_pton (AF_INET, tmp, &temp_addr) > 0) {
|
||||
val = g_variant_new_uint32 (nm_utils_ip4_netmask_to_prefix (temp_addr.s_addr));
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val);
|
||||
} else if (!tapdev) {
|
||||
if (has_ip4_address && !has_ip4_prefix) {
|
||||
val = g_variant_new_uint32 (32);
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val);
|
||||
}
|
||||
} else
|
||||
_LOGW ("No IP4 netmask/prefix (missing or invalid 'ifconfig_netmask')");
|
||||
|
||||
val = get_ip4_routes ();
|
||||
if (val)
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_ROUTES, val);
|
||||
else if (is_restart) {
|
||||
g_variant_builder_add (&ip4builder, "{sv}",
|
||||
NM_VPN_PLUGIN_IP4_CONFIG_PRESERVE_ROUTES,
|
||||
g_variant_new_boolean (TRUE));
|
||||
}
|
||||
|
||||
/* IPv6 address */
|
||||
tmp = getenv ("ifconfig_ipv6_local");
|
||||
if (tmp && strlen (tmp)) {
|
||||
val = addr6_to_gvariant (tmp);
|
||||
if (val) {
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_ADDRESS, val);
|
||||
has_ip6_address = TRUE;
|
||||
} else
|
||||
helper_failed (proxy, "IP6 Address");
|
||||
}
|
||||
|
||||
/* IPv6 remote address */
|
||||
tmp = getenv ("ifconfig_ipv6_remote");
|
||||
if (tmp && strlen (tmp)) {
|
||||
val = addr6_to_gvariant (tmp);
|
||||
if (val)
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_PTP, val);
|
||||
else
|
||||
helper_failed (proxy, "IP6 PTP Address");
|
||||
}
|
||||
|
||||
/* IPv6 netbits */
|
||||
tmp = getenv ("ifconfig_ipv6_netbits");
|
||||
if (tmp && strlen (tmp)) {
|
||||
long int netbits;
|
||||
|
||||
errno = 0;
|
||||
netbits = strtol (tmp, NULL, 10);
|
||||
if (errno || netbits < 0 || netbits > 128) {
|
||||
_LOGW ("Ignoring invalid prefix '%s'", tmp);
|
||||
} else {
|
||||
val = g_variant_new_uint32 ((guint32) netbits);
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_PREFIX, val);
|
||||
}
|
||||
}
|
||||
|
||||
val = get_ip6_routes ();
|
||||
if (val)
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_ROUTES, val);
|
||||
else if (is_restart) {
|
||||
g_variant_builder_add (&ip6builder, "{sv}",
|
||||
NM_VPN_PLUGIN_IP6_CONFIG_PRESERVE_ROUTES,
|
||||
g_variant_new_boolean (TRUE));
|
||||
}
|
||||
|
||||
/* DNS and WINS servers */
|
||||
dns_domains = g_ptr_array_sized_new (3);
|
||||
dns4_list = g_ptr_array_new ();
|
||||
dns6_list = g_ptr_array_new ();
|
||||
nbns_list = g_ptr_array_new ();
|
||||
|
||||
for (i = 1; i < 256; i++) {
|
||||
char *env_name;
|
||||
|
||||
env_name = g_strdup_printf ("foreign_option_%d", i);
|
||||
tmp = getenv (env_name);
|
||||
g_free (env_name);
|
||||
|
||||
if (!tmp || strlen (tmp) < 1)
|
||||
break;
|
||||
|
||||
if (!g_str_has_prefix (tmp, "dhcp-option "))
|
||||
continue;
|
||||
|
||||
tmp += 12; /* strlen ("dhcp-option ") */
|
||||
|
||||
if (g_str_has_prefix (tmp, "DNS "))
|
||||
parse_addr_list (dns4_list, dns6_list, tmp + 4);
|
||||
else if (g_str_has_prefix (tmp, "WINS "))
|
||||
parse_addr_list (nbns_list, NULL, tmp + 5);
|
||||
else if (g_str_has_prefix (tmp, "DOMAIN ") && is_domain_valid (tmp + 7))
|
||||
g_ptr_array_add (dns_domains, tmp + 7);
|
||||
}
|
||||
|
||||
if (dns4_list->len) {
|
||||
val = g_variant_new_array (G_VARIANT_TYPE_UINT32, (GVariant **) dns4_list->pdata, dns4_list->len);
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_DNS, val);
|
||||
}
|
||||
|
||||
if (has_ip6_address && dns6_list->len) {
|
||||
val = g_variant_new_array (G_VARIANT_TYPE ("ay"), (GVariant **) dns6_list->pdata, dns6_list->len);
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_DNS, val);
|
||||
}
|
||||
|
||||
if (nbns_list->len) {
|
||||
val = g_variant_new_array (G_VARIANT_TYPE_UINT32, (GVariant **) nbns_list->pdata, nbns_list->len);
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_NBNS, val);
|
||||
}
|
||||
|
||||
if (dns_domains->len) {
|
||||
val = g_variant_new_strv ((const gchar **) dns_domains->pdata, dns_domains->len);
|
||||
g_variant_builder_add (&ip4builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_DOMAINS, val);
|
||||
|
||||
/* Domains apply to both IPv4 and IPv6 configurations */
|
||||
if (has_ip6_address) {
|
||||
val = g_variant_new_strv ((const gchar **) dns_domains->pdata, dns_domains->len);
|
||||
g_variant_builder_add (&ip6builder, "{sv}", NM_VPN_PLUGIN_IP6_CONFIG_DOMAINS, val);
|
||||
}
|
||||
}
|
||||
|
||||
g_ptr_array_unref (dns4_list);
|
||||
g_ptr_array_unref (dns6_list);
|
||||
g_ptr_array_unref (nbns_list);
|
||||
g_ptr_array_unref (dns_domains);
|
||||
|
||||
/* Tunnel MTU */
|
||||
tmp = getenv ("tun_mtu");
|
||||
if (tmp && tmp[0]) {
|
||||
guint32 mtu;
|
||||
|
||||
mtu = _nm_utils_ascii_str_to_int64 (tmp, 10, 0, G_MAXUINT32, 0);
|
||||
if (errno)
|
||||
_LOGW ("Ignoring invalid tunnel MTU '%s'", tmp);
|
||||
else {
|
||||
g_variant_builder_add (&builder, "{sv}",
|
||||
NM_VPN_PLUGIN_CONFIG_MTU,
|
||||
g_variant_new_uint32 (mtu));
|
||||
}
|
||||
}
|
||||
|
||||
ip4config = g_variant_builder_end (&ip4builder);
|
||||
|
||||
if (g_variant_n_children (ip4config)) {
|
||||
val = g_variant_new_boolean (TRUE);
|
||||
g_variant_builder_add (&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_HAS_IP4, val);
|
||||
} else {
|
||||
g_variant_unref (ip4config);
|
||||
ip4config = NULL;
|
||||
}
|
||||
|
||||
ip6config = g_variant_builder_end (&ip6builder);
|
||||
|
||||
if (g_variant_n_children (ip6config)) {
|
||||
val = g_variant_new_boolean (TRUE);
|
||||
g_variant_builder_add (&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_HAS_IP6, val);
|
||||
} else {
|
||||
g_variant_unref (ip6config);
|
||||
ip6config = NULL;
|
||||
}
|
||||
|
||||
if (!ip4config && !ip6config)
|
||||
helper_failed (proxy, "IPv4 or IPv6 configuration");
|
||||
|
||||
/* Send the config info to nm-openvpn-service */
|
||||
send_config (proxy, g_variant_builder_end (&builder), ip4config, ip6config);
|
||||
|
||||
g_object_unref (proxy);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue