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-rw-r--r--src/core/dbus-mount.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c
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--- /dev/null
+++ b/src/core/dbus-mount.c
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+
+#include "dbus-unit.h"
+#include "dbus-mount.h"
+#include "dbus-kill.h"
+#include "dbus-execute.h"
+#include "dbus-common.h"
+#include "selinux-access.h"
+
+#define BUS_MOUNT_INTERFACE \
+ " <interface name=\"org.freedesktop.systemd1.Mount\">\n" \
+ " <property name=\"Where\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"What\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"Options\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
+ BUS_EXEC_COMMAND_INTERFACE("ExecMount") \
+ BUS_EXEC_COMMAND_INTERFACE("ExecUnmount") \
+ BUS_EXEC_COMMAND_INTERFACE("ExecRemount") \
+ BUS_EXEC_CONTEXT_INTERFACE \
+ BUS_KILL_CONTEXT_INTERFACE \
+ " <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
+ " <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
+ " <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
+ " </interface>\n"
+
+#define INTROSPECTION \
+ DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
+ "<node>\n" \
+ BUS_UNIT_INTERFACE \
+ BUS_MOUNT_INTERFACE \
+ BUS_PROPERTIES_INTERFACE \
+ BUS_PEER_INTERFACE \
+ BUS_INTROSPECTABLE_INTERFACE \
+ "</node>\n"
+
+#define INTERFACES_LIST \
+ BUS_UNIT_INTERFACES_LIST \
+ "org.freedesktop.systemd1.Mount\0"
+
+const char bus_mount_interface[] _introspect_("Mount") = BUS_MOUNT_INTERFACE;
+
+const char bus_mount_invalidating_properties[] =
+ "What\0"
+ "Options\0"
+ "Type\0"
+ "ExecMount\0"
+ "ExecUnmount\0"
+ "ExecRemount\0"
+ "ControlPID\0"
+ "Result\0";
+
+static int bus_mount_append_what(DBusMessageIter *i, const char *property, void *data) {
+ Mount *m = data;
+ const char *d;
+
+ assert(i);
+ assert(property);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
+ d = m->parameters_proc_self_mountinfo.what;
+ else if (m->from_fragment && m->parameters_fragment.what)
+ d = m->parameters_fragment.what;
+ else
+ d = "";
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_mount_append_options(DBusMessageIter *i, const char *property, void *data) {
+ Mount *m = data;
+ const char *d;
+
+ assert(i);
+ assert(property);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
+ d = m->parameters_proc_self_mountinfo.options;
+ else if (m->from_fragment && m->parameters_fragment.options)
+ d = m->parameters_fragment.options;
+ else
+ d = "";
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_mount_append_type(DBusMessageIter *i, const char *property, void *data) {
+ Mount *m = data;
+ const char *d;
+
+ assert(i);
+ assert(property);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
+ d = m->parameters_proc_self_mountinfo.fstype;
+ else if (m->from_fragment && m->parameters_fragment.fstype)
+ d = m->parameters_fragment.fstype;
+ else
+ d = "";
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_mount_append_mount_result, mount_result, MountResult);
+
+static const BusProperty bus_mount_properties[] = {
+ { "Where", bus_property_append_string, "s", offsetof(Mount, where), true },
+ { "What", bus_mount_append_what, "s", 0 },
+ { "Options", bus_mount_append_options, "s", 0 },
+ { "Type", bus_mount_append_type, "s", 0 },
+ { "TimeoutUSec", bus_property_append_usec, "t", offsetof(Mount, timeout_usec) },
+ BUS_EXEC_COMMAND_PROPERTY("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), false),
+ BUS_EXEC_COMMAND_PROPERTY("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), false),
+ BUS_EXEC_COMMAND_PROPERTY("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), false),
+ { "ControlPID", bus_property_append_pid, "u", offsetof(Mount, control_pid) },
+ { "DirectoryMode", bus_property_append_mode, "u", offsetof(Mount, directory_mode) },
+ { "Result", bus_mount_append_mount_result, "s", offsetof(Mount, result) },
+ { NULL, }
+};
+
+DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
+ Mount *m = MOUNT(u);
+
+ const BusBoundProperties bps[] = {
+ { "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
+ { "org.freedesktop.systemd1.Mount", bus_mount_properties, m },
+ { "org.freedesktop.systemd1.Mount", bus_exec_context_properties, &m->exec_context },
+ { "org.freedesktop.systemd1.Mount", bus_kill_context_properties, &m->kill_context },
+ { NULL, }
+ };
+
+ SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
+
+ return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps );
+}