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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 | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
4139c1b2 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
4139c1b2 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
4139c1b2 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
4e85aff4 LP |
22 | #include <errno.h> |
23 | ||
4139c1b2 | 24 | #include "dbus-unit.h" |
4139c1b2 | 25 | #include "dbus-execute.h" |
4ad49000 LP |
26 | #include "dbus-kill.h" |
27 | #include "dbus-cgroup.h" | |
bfebab7f | 28 | #include "dbus-common.h" |
cad45ba1 | 29 | #include "selinux-access.h" |
4ad49000 | 30 | #include "dbus-mount.h" |
4139c1b2 | 31 | |
4288f619 LP |
32 | #define BUS_MOUNT_INTERFACE \ |
33 | " <interface name=\"org.freedesktop.systemd1.Mount\">\n" \ | |
34 | " <property name=\"Where\" type=\"s\" access=\"read\"/>\n" \ | |
35 | " <property name=\"What\" type=\"s\" access=\"read\"/>\n" \ | |
36 | " <property name=\"Options\" type=\"s\" access=\"read\"/>\n" \ | |
37 | " <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \ | |
38 | " <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \ | |
d7550a67 | 39 | BUS_UNIT_CGROUP_INTERFACE \ |
fe68089d LP |
40 | BUS_EXEC_COMMAND_INTERFACE("ExecMount") \ |
41 | BUS_EXEC_COMMAND_INTERFACE("ExecUnmount") \ | |
42 | BUS_EXEC_COMMAND_INTERFACE("ExecRemount") \ | |
4288f619 | 43 | BUS_EXEC_CONTEXT_INTERFACE \ |
4819ff03 | 44 | BUS_KILL_CONTEXT_INTERFACE \ |
6a95dff8 | 45 | BUS_CGROUP_CONTEXT_INTERFACE \ |
4288f619 | 46 | " <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \ |
5bd07073 | 47 | " <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \ |
9d2f5178 | 48 | " <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \ |
4288f619 LP |
49 | " </interface>\n" |
50 | ||
51 | #define INTROSPECTION \ | |
52 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ | |
53 | "<node>\n" \ | |
54 | BUS_UNIT_INTERFACE \ | |
55 | BUS_MOUNT_INTERFACE \ | |
56 | BUS_PROPERTIES_INTERFACE \ | |
c4e2ceae | 57 | BUS_PEER_INTERFACE \ |
4288f619 LP |
58 | BUS_INTROSPECTABLE_INTERFACE \ |
59 | "</node>\n" | |
60 | ||
05feefe0 LP |
61 | #define INTERFACES_LIST \ |
62 | BUS_UNIT_INTERFACES_LIST \ | |
63 | "org.freedesktop.systemd1.Mount\0" | |
64 | ||
ca2871d9 | 65 | const char bus_mount_interface[] = BUS_MOUNT_INTERFACE; |
4139c1b2 | 66 | |
c4e2ceae LP |
67 | const char bus_mount_invalidating_properties[] = |
68 | "What\0" | |
69 | "Options\0" | |
70 | "Type\0" | |
71 | "ExecMount\0" | |
72 | "ExecUnmount\0" | |
73 | "ExecRemount\0" | |
9d2f5178 LP |
74 | "ControlPID\0" |
75 | "Result\0"; | |
c4e2ceae | 76 | |
bfebab7f | 77 | static int bus_mount_append_what(DBusMessageIter *i, const char *property, void *data) { |
4e85aff4 LP |
78 | Mount *m = data; |
79 | const char *d; | |
80 | ||
4e85aff4 LP |
81 | assert(i); |
82 | assert(property); | |
83 | assert(m); | |
84 | ||
85 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what) | |
86 | d = m->parameters_proc_self_mountinfo.what; | |
87 | else if (m->from_fragment && m->parameters_fragment.what) | |
88 | d = m->parameters_fragment.what; | |
4e85aff4 LP |
89 | else |
90 | d = ""; | |
91 | ||
92 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) | |
93 | return -ENOMEM; | |
94 | ||
95 | return 0; | |
96 | } | |
97 | ||
bfebab7f | 98 | static int bus_mount_append_options(DBusMessageIter *i, const char *property, void *data) { |
4e85aff4 LP |
99 | Mount *m = data; |
100 | const char *d; | |
101 | ||
4e85aff4 LP |
102 | assert(i); |
103 | assert(property); | |
104 | assert(m); | |
105 | ||
106 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options) | |
107 | d = m->parameters_proc_self_mountinfo.options; | |
108 | else if (m->from_fragment && m->parameters_fragment.options) | |
109 | d = m->parameters_fragment.options; | |
4e85aff4 LP |
110 | else |
111 | d = ""; | |
112 | ||
113 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) | |
114 | return -ENOMEM; | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
bfebab7f | 119 | static int bus_mount_append_type(DBusMessageIter *i, const char *property, void *data) { |
4e85aff4 LP |
120 | Mount *m = data; |
121 | const char *d; | |
122 | ||
4e85aff4 LP |
123 | assert(i); |
124 | assert(property); | |
125 | assert(m); | |
126 | ||
127 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype) | |
128 | d = m->parameters_proc_self_mountinfo.fstype; | |
129 | else if (m->from_fragment && m->parameters_fragment.fstype) | |
130 | d = m->parameters_fragment.fstype; | |
4e85aff4 LP |
131 | else |
132 | d = ""; | |
133 | ||
134 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) | |
135 | return -ENOMEM; | |
136 | ||
137 | return 0; | |
138 | } | |
139 | ||
9d2f5178 LP |
140 | static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_mount_append_mount_result, mount_result, MountResult); |
141 | ||
d200735e MS |
142 | static const BusProperty bus_mount_properties[] = { |
143 | { "Where", bus_property_append_string, "s", offsetof(Mount, where), true }, | |
144 | { "What", bus_mount_append_what, "s", 0 }, | |
145 | { "Options", bus_mount_append_options, "s", 0 }, | |
146 | { "Type", bus_mount_append_type, "s", 0 }, | |
147 | { "TimeoutUSec", bus_property_append_usec, "t", offsetof(Mount, timeout_usec) }, | |
148 | BUS_EXEC_COMMAND_PROPERTY("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), false), | |
149 | BUS_EXEC_COMMAND_PROPERTY("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), false), | |
150 | BUS_EXEC_COMMAND_PROPERTY("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), false), | |
151 | { "ControlPID", bus_property_append_pid, "u", offsetof(Mount, control_pid) }, | |
152 | { "DirectoryMode", bus_property_append_mode, "u", offsetof(Mount, directory_mode) }, | |
9d2f5178 | 153 | { "Result", bus_mount_append_mount_result, "s", offsetof(Mount, result) }, |
d200735e MS |
154 | { NULL, } |
155 | }; | |
156 | ||
5e8d1c9a | 157 | DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) { |
ac155bb8 | 158 | Mount *m = MOUNT(u); |
d200735e MS |
159 | |
160 | const BusBoundProperties bps[] = { | |
4ad49000 | 161 | { "org.freedesktop.systemd1.Unit", bus_unit_properties, u }, |
d7550a67 | 162 | { "org.freedesktop.systemd1.Mount", bus_unit_cgroup_properties, u }, |
4ad49000 LP |
163 | { "org.freedesktop.systemd1.Mount", bus_mount_properties, m }, |
164 | { "org.freedesktop.systemd1.Mount", bus_exec_context_properties, &m->exec_context }, | |
165 | { "org.freedesktop.systemd1.Mount", bus_kill_context_properties, &m->kill_context }, | |
166 | { "org.freedesktop.systemd1.Mount", bus_cgroup_context_properties, &m->cgroup_context }, | |
d200735e | 167 | { NULL, } |
4139c1b2 LP |
168 | }; |
169 | ||
cad45ba1 LP |
170 | SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status"); |
171 | ||
d200735e | 172 | return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps ); |
4139c1b2 | 173 | } |
74c964d3 LP |
174 | |
175 | int bus_mount_set_property( | |
176 | Unit *u, | |
177 | const char *name, | |
178 | DBusMessageIter *i, | |
179 | UnitSetPropertiesMode mode, | |
180 | DBusError *error) { | |
181 | ||
182 | Mount *m = MOUNT(u); | |
183 | int r; | |
184 | ||
185 | assert(name); | |
186 | assert(u); | |
187 | assert(i); | |
188 | ||
189 | r = bus_cgroup_set_property(u, &m->cgroup_context, name, i, mode, error); | |
190 | if (r != 0) | |
191 | return r; | |
192 | ||
193 | return 0; | |
194 | } | |
195 | ||
196 | int bus_mount_commit_properties(Unit *u) { | |
197 | assert(u); | |
198 | ||
199 | unit_realize_cgroup(u); | |
200 | return 0; | |
201 | } |