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From 6f6d2dd74e6a1bd0e356e9290d733672afcf8f70 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Wed, 8 Dec 2010 12:13:43 +0000
Subject: [PATCH] =?UTF-8?q?Add=20config=20module=20for=20querying=20PacRun?=
=?UTF-8?q?ner=20d=C3=A6mon?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
libproxy/cmake/modules.cmk | 2 +
libproxy/cmake/modules/config_pacrunner.cmk | 3 +
libproxy/modules/config_pacrunner.cpp | 122 ++++++++++++++++++++++++++++
3 files changed, 127 insertions(+)
create mode 100644 libproxy/cmake/modules/config_pacrunner.cmk
create mode 100644 libproxy/modules/config_pacrunner.cpp
diff --git a/libproxy/cmake/modules.cmk b/libproxy/cmake/modules.cmk
index 68ff898..2593d29 100644
--- a/libproxy/cmake/modules.cmk
+++ b/libproxy/cmake/modules.cmk
@@ -8,6 +8,7 @@ endif()
# Do module determination
include(cmake/pxmodule.cmk)
include(cmake/pkgconfig.cmk)
+include(cmake/modules/config_pacrunner.cmk)
include(cmake/modules/config_envvar.cmk)
include(cmake/modules/config_sysconfig.cmk)
include(cmake/modules/config_gnome.cmk)
@@ -28,6 +29,7 @@ endif()
## Module definition
#
message("MODULES TO BUILD:")
+px_module(config_pacrunner "${DBUS_FOUND}" 0 ${DBUS_LIBRARIES})
px_module(config_envvar "${ENVVAR_FOUND}" 1)
px_module(config_sysconfig "${SYSCONFIG_FOUND}" 1)
px_module(config_gnome "${GNOME2_FOUND}" 0)
diff --git a/libproxy/cmake/modules/config_pacrunner.cmk b/libproxy/cmake/modules/config_pacrunner.cmk
new file mode 100644
index 0000000..11dde89
--- /dev/null
+++ b/libproxy/cmake/modules/config_pacrunner.cmk
@@ -0,0 +1,3 @@
+if (NOT WIN32 AND NOT APPLE)
+ px_check_modules(DBUS dbus-1)
+endif()
diff --git a/libproxy/modules/config_pacrunner.cpp b/libproxy/modules/config_pacrunner.cpp
new file mode 100644
index 0000000..b4cf723
--- /dev/null
+++ b/libproxy/modules/config_pacrunner.cpp
@@ -0,0 +1,122 @@
+/*******************************************************************************
+ * libproxy - A library for proxy configuration
+ * Copyright (C) 2010 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ ******************************************************************************/
+
+#include "../extension_config.hpp"
+using namespace libproxy;
+
+#include <string.h>
+#include <dbus/dbus.h>
+
+class pacrunner_config_extension : public config_extension {
+public:
+ pacrunner_config_extension() {
+ this->conn = NULL;
+ }
+
+ ~pacrunner_config_extension() {
+ if (this->conn) dbus_connection_close(this->conn);
+ }
+
+ class scoped_dbus_message {
+ public:
+ scoped_dbus_message(DBusMessage *msg) {
+ this->msg = msg;
+ }
+
+ ~scoped_dbus_message() {
+ if (this->msg)
+ dbus_message_unref(msg);
+ }
+
+ private:
+ DBusMessage *msg;
+ };
+
+ vector<url> get_config(const url &dest) throw (runtime_error) {
+ // Make sure we have a valid connection with a proper match
+ DBusConnection *conn = this->conn;
+ vector<url> response;
+
+ if (!conn || !dbus_connection_get_is_connected(conn))
+ {
+ // If the connection was disconnected,
+ // close it an clear the queue
+ if (conn)
+ {
+ dbus_connection_close(conn);
+ dbus_connection_read_write(conn, 0);
+ for (DBusMessage *msg=NULL ; (msg = dbus_connection_pop_message(conn)) ; dbus_message_unref(msg)) {};
+ }
+
+ // Create a new connections
+ conn = dbus_bus_get_private(DBUS_BUS_SYSTEM, NULL);
+ this->conn = conn;
+ if (!conn)
+ throw runtime_error("Unable to set up DBus connection");
+
+ // If connection was successful, set it up
+ dbus_connection_set_exit_on_disconnect(conn, false);
+ }
+
+ DBusMessage *msg, *reply;
+
+ msg = dbus_message_new_method_call("org.pacrunner",
+ "/org/pacrunner/client",
+ "org.pacrunner.Client",
+ "FindProxyForURL");
+ if (!msg)
+ throw runtime_error("Unable to create PacRunner DBus call");
+
+ string dest_str = dest.to_string();
+ string dest_host = dest.get_host();
+ const char *dest_cstr = dest_str.c_str();
+ const char *dest_host_cstr = dest_host.c_str();
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &dest_cstr,
+ DBUS_TYPE_STRING, &dest_host_cstr,
+ DBUS_TYPE_INVALID);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, NULL);
+
+ dbus_message_unref(msg);
+
+ if (!reply)
+ throw runtime_error("Failed to get DBus response from PacRunner");
+
+ scoped_dbus_message smsg(reply);
+ char *str = NULL;
+ dbus_message_get_args(reply, NULL, DBUS_TYPE_STRING, &str, DBUS_TYPE_INVALID);
+
+ if (!str || !strlen(str) || !::strcmp(str, "DIRECT"))
+ response.push_back(url("direct://"));
+ else if (!strncmp(str, "PROXY ", 6))
+ response.push_back(url("http://" + string(str + 6)));
+ else if (!strncmp(str, "SOCKS ", 6))
+ response.push_back(url("socks://" + string(str + 6)));
+ else {
+ throw runtime_error("Unrecognised proxy response from PacRunner: " + string(str));
+ }
+ return response;
+ }
+
+private:
+ DBusConnection *conn;
+};
+
+MM_MODULE_INIT_EZ(pacrunner_config_extension, true, NULL, NULL);
--
1.8.2.1
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