[thirdparty/systemd.git] / src / dbus-mount.c

/*-*- 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 General Public License as published by
  the Free Software Foundation; either version 2 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
  General Public License for more details.

  You should have received a copy of the GNU 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-execute.h"
#include "dbus-common.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                                      \
        "  <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
        "  <property name=\"DirectoryMode\" type=\"u\" 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";

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 if (m->from_etc_fstab && m->parameters_etc_fstab.what)
                d = m->parameters_etc_fstab.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 if (m->from_etc_fstab && m->parameters_etc_fstab.options)
                d = m->parameters_etc_fstab.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 if (m->from_etc_fstab && m->parameters_etc_fstab.fstype)
                d = m->parameters_etc_fstab.fstype;
        else
                d = "";

        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
                return -ENOMEM;

        return 0;
}

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) },
        { 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 },
                { NULL, }
        };

        return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps );
}
Commit	Line	Data
d6c9574f	1	/-- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil --/
4139c1b2 LP	2
	3	/***
	4	This file is part of systemd.
	5
	6	Copyright 2010 Lennart Poettering
	7
	8	systemd is free software; you can redistribute it and/or modify it
	9	under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	systemd is distributed in the hope that it will be useful, but
	14	WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	20	***/
	21
4e85aff4 LP	22	#include <errno.h>
4e85aff4 LP	23
4139c1b2 LP	24	#include "dbus-unit.h"
	25	#include "dbus-mount.h"
	26	#include "dbus-execute.h"
bfebab7f	27	#include "dbus-common.h"
4139c1b2	28
4288f619 LP	29	#define BUS_MOUNT_INTERFACE \
	30	" <interface name=\"org.freedesktop.systemd1.Mount\">\n" \
	31	" <property name=\"Where\" type=\"s\" access=\"read\"/>\n" \
	32	" <property name=\"What\" type=\"s\" access=\"read\"/>\n" \
	33	" <property name=\"Options\" type=\"s\" access=\"read\"/>\n" \
	34	" <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \
	35	" <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
fe68089d LP	36	BUS_EXEC_COMMAND_INTERFACE("ExecMount") \
	37	BUS_EXEC_COMMAND_INTERFACE("ExecUnmount") \
	38	BUS_EXEC_COMMAND_INTERFACE("ExecRemount") \
4288f619	39	BUS_EXEC_CONTEXT_INTERFACE \
4288f619	40	" <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
5bd07073	41	" <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
4288f619 LP	42	" </interface>\n"
	43
	44	#define INTROSPECTION \
	45	DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
	46	"<node>\n" \
	47	BUS_UNIT_INTERFACE \
	48	BUS_MOUNT_INTERFACE \
	49	BUS_PROPERTIES_INTERFACE \
c4e2ceae	50	BUS_PEER_INTERFACE \
4288f619 LP	51	BUS_INTROSPECTABLE_INTERFACE \
	52	"</node>\n"
	53
05feefe0 LP	54	#define INTERFACES_LIST \
	55	BUS_UNIT_INTERFACES_LIST \
	56	"org.freedesktop.systemd1.Mount\0"
	57
9a60da28	58	const char bus_mount_interface[] _introspect_("Mount") = BUS_MOUNT_INTERFACE;
4139c1b2	59
c4e2ceae LP	60	const char bus_mount_invalidating_properties[] =
	61	"What\0"
	62	"Options\0"
	63	"Type\0"
	64	"ExecMount\0"
	65	"ExecUnmount\0"
	66	"ExecRemount\0"
34df5a34	67	"ControlPID\0";
c4e2ceae	68
bfebab7f	69	static int bus_mount_append_what(DBusMessageIter i, const char property, void *data) {
4e85aff4 LP	70	Mount *m = data;
	71	const char *d;
	72
4e85aff4 LP	73	assert(i);
	74	assert(property);
	75	assert(m);
	76
	77	if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
	78	d = m->parameters_proc_self_mountinfo.what;
	79	else if (m->from_fragment && m->parameters_fragment.what)
	80	d = m->parameters_fragment.what;
	81	else if (m->from_etc_fstab && m->parameters_etc_fstab.what)
	82	d = m->parameters_etc_fstab.what;
	83	else
	84	d = "";
	85
	86	if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
	87	return -ENOMEM;
	88
	89	return 0;
	90	}
	91
bfebab7f	92	static int bus_mount_append_options(DBusMessageIter i, const char property, void *data) {
4e85aff4 LP	93	Mount *m = data;
	94	const char *d;
	95
4e85aff4 LP	96	assert(i);
	97	assert(property);
	98	assert(m);
	99
	100	if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
	101	d = m->parameters_proc_self_mountinfo.options;
	102	else if (m->from_fragment && m->parameters_fragment.options)
	103	d = m->parameters_fragment.options;
	104	else if (m->from_etc_fstab && m->parameters_etc_fstab.options)
	105	d = m->parameters_etc_fstab.options;
	106	else
	107	d = "";
	108
	109	if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
	110	return -ENOMEM;
	111
	112	return 0;
	113	}
	114
bfebab7f	115	static int bus_mount_append_type(DBusMessageIter i, const char property, void *data) {
4e85aff4 LP	116	Mount *m = data;
	117	const char *d;
	118
4e85aff4 LP	119	assert(i);
	120	assert(property);
	121	assert(m);
	122
	123	if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
	124	d = m->parameters_proc_self_mountinfo.fstype;
	125	else if (m->from_fragment && m->parameters_fragment.fstype)
	126	d = m->parameters_fragment.fstype;
	127	else if (m->from_etc_fstab && m->parameters_etc_fstab.fstype)
	128	d = m->parameters_etc_fstab.fstype;
	129	else
	130	d = "";
	131
	132	if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
	133	return -ENOMEM;
	134
	135	return 0;
	136	}
	137
d200735e MS	138	static const BusProperty bus_mount_properties[] = {
	139	{ "Where", bus_property_append_string, "s", offsetof(Mount, where), true },
	140	{ "What", bus_mount_append_what, "s", 0 },
	141	{ "Options", bus_mount_append_options, "s", 0 },
	142	{ "Type", bus_mount_append_type, "s", 0 },
	143	{ "TimeoutUSec", bus_property_append_usec, "t", offsetof(Mount, timeout_usec) },
	144	BUS_EXEC_COMMAND_PROPERTY("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), false),
	145	BUS_EXEC_COMMAND_PROPERTY("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), false),
	146	BUS_EXEC_COMMAND_PROPERTY("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), false),
	147	{ "ControlPID", bus_property_append_pid, "u", offsetof(Mount, control_pid) },
	148	{ "DirectoryMode", bus_property_append_mode, "u", offsetof(Mount, directory_mode) },
	149	{ NULL, }
	150	};
	151
5e8d1c9a	152	DBusHandlerResult bus_mount_message_handler(Unit u, DBusConnection c, DBusMessage *message) {
ac155bb8	153	Mount *m = MOUNT(u);
d200735e MS	154
	155	const BusBoundProperties bps[] = {
	156	{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
	157	{ "org.freedesktop.systemd1.Mount", bus_mount_properties, m },
	158	{ "org.freedesktop.systemd1.Mount", bus_exec_context_properties, &m->exec_context },
	159	{ NULL, }
4139c1b2 LP	160	};
4139c1b2 LP	161
d200735e	162	return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps );
4139c1b2	163	}