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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 | ||
718db961 LP |
22 | #include "unit.h" |
23 | #include "mount.h" | |
4139c1b2 | 24 | #include "dbus-execute.h" |
4ad49000 LP |
25 | #include "dbus-kill.h" |
26 | #include "dbus-cgroup.h" | |
4ad49000 | 27 | #include "dbus-mount.h" |
718db961 LP |
28 | #include "bus-util.h" |
29 | ||
30 | static int property_get_what( | |
31 | sd_bus *bus, | |
32 | const char *path, | |
33 | const char *interface, | |
34 | const char *property, | |
35 | sd_bus_message *reply, | |
ebcf1f97 LP |
36 | void *userdata, |
37 | sd_bus_error *error) { | |
718db961 LP |
38 | |
39 | Mount *m = userdata; | |
4e85aff4 LP |
40 | const char *d; |
41 | ||
718db961 LP |
42 | assert(bus); |
43 | assert(reply); | |
4e85aff4 LP |
44 | assert(m); |
45 | ||
46 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what) | |
47 | d = m->parameters_proc_self_mountinfo.what; | |
48 | else if (m->from_fragment && m->parameters_fragment.what) | |
49 | d = m->parameters_fragment.what; | |
4e85aff4 LP |
50 | else |
51 | d = ""; | |
52 | ||
718db961 | 53 | return sd_bus_message_append(reply, "s", d); |
4e85aff4 LP |
54 | } |
55 | ||
718db961 LP |
56 | static int property_get_options( |
57 | sd_bus *bus, | |
58 | const char *path, | |
59 | const char *interface, | |
60 | const char *property, | |
61 | sd_bus_message *reply, | |
ebcf1f97 LP |
62 | void *userdata, |
63 | sd_bus_error *error) { | |
718db961 LP |
64 | |
65 | Mount *m = userdata; | |
4e85aff4 LP |
66 | const char *d; |
67 | ||
718db961 LP |
68 | assert(bus); |
69 | assert(reply); | |
4e85aff4 LP |
70 | assert(m); |
71 | ||
72 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options) | |
73 | d = m->parameters_proc_self_mountinfo.options; | |
74 | else if (m->from_fragment && m->parameters_fragment.options) | |
75 | d = m->parameters_fragment.options; | |
4e85aff4 LP |
76 | else |
77 | d = ""; | |
78 | ||
718db961 | 79 | return sd_bus_message_append(reply, "s", d); |
4e85aff4 LP |
80 | } |
81 | ||
718db961 LP |
82 | static int property_get_type( |
83 | sd_bus *bus, | |
84 | const char *path, | |
85 | const char *interface, | |
86 | const char *property, | |
87 | sd_bus_message *reply, | |
ebcf1f97 LP |
88 | void *userdata, |
89 | sd_bus_error *error) { | |
718db961 LP |
90 | |
91 | Mount *m = userdata; | |
4e85aff4 LP |
92 | const char *d; |
93 | ||
718db961 LP |
94 | assert(bus); |
95 | assert(reply); | |
4e85aff4 LP |
96 | assert(m); |
97 | ||
98 | if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype) | |
99 | d = m->parameters_proc_self_mountinfo.fstype; | |
100 | else if (m->from_fragment && m->parameters_fragment.fstype) | |
101 | d = m->parameters_fragment.fstype; | |
4e85aff4 LP |
102 | else |
103 | d = ""; | |
104 | ||
718db961 | 105 | return sd_bus_message_append(reply, "s", d); |
4e85aff4 LP |
106 | } |
107 | ||
718db961 LP |
108 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult); |
109 | ||
110 | const sd_bus_vtable bus_mount_vtable[] = { | |
111 | SD_BUS_VTABLE_START(0), | |
556089dc | 112 | SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 LP |
113 | SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
114 | SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
115 | SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc | 116 | SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 | 117 | SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc | 118 | SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
2dbd4a94 | 119 | SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 | 120 | SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
121 | BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
122 | BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), | |
123 | BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), | |
718db961 | 124 | SD_BUS_VTABLE_END |
d200735e MS |
125 | }; |
126 | ||
0e252f6b TG |
127 | static int bus_mount_set_transient_property( |
128 | Mount *m, | |
129 | const char *name, | |
130 | sd_bus_message *message, | |
131 | UnitSetPropertiesMode mode, | |
132 | sd_bus_error *error) { | |
133 | ||
134 | const char *new_property; | |
135 | char **property; | |
136 | char *p; | |
137 | int r; | |
138 | ||
139 | assert(m); | |
140 | assert(name); | |
141 | assert(message); | |
142 | ||
143 | if (streq(name, "What")) | |
144 | property = &m->parameters_fragment.what; | |
145 | else if (streq(name, "Options")) | |
146 | property = &m->parameters_fragment.options; | |
147 | else if (streq(name, "Type")) | |
148 | property = &m->parameters_fragment.fstype; | |
149 | else | |
150 | return 0; | |
151 | ||
152 | r = sd_bus_message_read(message, "s", &new_property); | |
153 | if (r < 0) | |
154 | return r; | |
155 | ||
156 | if (mode != UNIT_CHECK) { | |
157 | p = strdup(new_property); | |
158 | if (!p) | |
159 | return -ENOMEM; | |
160 | ||
161 | free(*property); | |
162 | *property = p; | |
163 | } | |
164 | ||
165 | return 1; | |
166 | } | |
167 | ||
74c964d3 LP |
168 | int bus_mount_set_property( |
169 | Unit *u, | |
170 | const char *name, | |
718db961 | 171 | sd_bus_message *message, |
74c964d3 | 172 | UnitSetPropertiesMode mode, |
718db961 | 173 | sd_bus_error *error) { |
74c964d3 LP |
174 | |
175 | Mount *m = MOUNT(u); | |
0e252f6b | 176 | int r; |
74c964d3 | 177 | |
718db961 | 178 | assert(m); |
74c964d3 | 179 | assert(name); |
718db961 | 180 | assert(message); |
74c964d3 | 181 | |
0e252f6b TG |
182 | r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, mode, error); |
183 | if (r != 0) | |
184 | return r; | |
185 | ||
186 | if (u->transient && u->load_state == UNIT_STUB) { | |
187 | /* This is a transient unit, let's load a little more */ | |
188 | ||
189 | r = bus_mount_set_transient_property(m, name, message, mode, error); | |
190 | if (r != 0) | |
191 | return r; | |
192 | ||
193 | r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, mode, error); | |
194 | if (r != 0) | |
195 | return r; | |
196 | ||
197 | r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, mode, error); | |
198 | if (r != 0) | |
199 | return r; | |
200 | } | |
201 | ||
202 | return 0; | |
74c964d3 LP |
203 | } |
204 | ||
205 | int bus_mount_commit_properties(Unit *u) { | |
206 | assert(u); | |
207 | ||
bc432dc7 | 208 | unit_update_cgroup_members_masks(u); |
74c964d3 | 209 | unit_realize_cgroup(u); |
bc432dc7 | 210 | |
74c964d3 LP |
211 | return 0; |
212 | } |