diff options
Diffstat (limited to 'src/core/dbus-mount.c')
| -rw-r--r-- | src/core/dbus-mount.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c new file mode 100644 index 0000000000..d81edeb807 --- /dev/null +++ b/src/core/dbus-mount.c @@ -0,0 +1,168 @@ +/*-*- 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 ); +} |