1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "bus-polkit.h"
#include "bus-util.h"
#include "dbus-util.h"
#include "escape.h"
#include "parse-util.h"
#include "path-util.h"
#include "unit-printf.h"
#include "user-util.h"
#include "unit.h"
int bus_property_get_triggered_unit(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
Unit *u = userdata, *trigger;
assert(bus);
assert(reply);
assert(u);
trigger = UNIT_TRIGGER(u);
return sd_bus_message_append(reply, "s", trigger ? trigger->id : NULL);
}
BUS_DEFINE_SET_TRANSIENT(mode_t, "u", uint32_t, mode_t, "%040o");
BUS_DEFINE_SET_TRANSIENT(unsigned, "u", uint32_t, unsigned, "%" PRIu32);
static inline bool valid_user_group_name_or_id_relaxed(const char *u) {
return valid_user_group_name(u, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX);
}
BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(user_relaxed, valid_user_group_name_or_id_relaxed);
BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(path, path_is_absolute);
int bus_set_transient_string(
Unit *u,
const char *name,
char **p,
sd_bus_message *message,
UnitWriteFlags flags,
sd_bus_error *error) {
const char *v;
int r;
assert(p);
r = sd_bus_message_read(message, "s", &v);
if (r < 0)
return r;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
r = free_and_strdup(p, empty_to_null(v));
if (r < 0)
return r;
unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name,
"%s=%s", name, strempty(v));
}
return 1;
}
int bus_set_transient_bool(
Unit *u,
const char *name,
bool *p,
sd_bus_message *message,
UnitWriteFlags flags,
sd_bus_error *error) {
int v, r;
assert(p);
r = sd_bus_message_read(message, "b", &v);
if (r < 0)
return r;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
*p = v;
unit_write_settingf(u, flags, name, "%s=%s", name, yes_no(v));
}
return 1;
}
int bus_set_transient_usec_internal(
Unit *u,
const char *name,
usec_t *p,
bool fix_0,
sd_bus_message *message,
UnitWriteFlags flags,
sd_bus_error *error) {
uint64_t v;
int r;
assert(p);
r = sd_bus_message_read(message, "t", &v);
if (r < 0)
return r;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
if (fix_0)
*p = v != 0 ? v: USEC_INFINITY;
else
*p = v;
char *n = strndupa_safe(name, strlen(name) - 4);
unit_write_settingf(u, flags, name, "%sSec=%s", n, FORMAT_TIMESPAN(v, USEC_PER_MSEC));
}
return 1;
}
int bus_verify_manage_units_async_full(
Unit *u,
const char *verb,
int capability,
const char *polkit_message,
bool interactive,
sd_bus_message *call,
sd_bus_error *error) {
const char *details[9] = {
"unit", u->id,
"verb", verb,
};
if (polkit_message) {
details[4] = "polkit.message";
details[5] = polkit_message;
details[6] = "polkit.gettext_domain";
details[7] = GETTEXT_PACKAGE;
}
return bus_verify_polkit_async(
call,
capability,
"org.freedesktop.systemd1.manage-units",
details,
interactive,
UID_INVALID,
&u->manager->polkit_registry,
error);
}
/* ret_format_str is an accumulator, so if it has any pre-existing content, new options will be appended to it */
int bus_read_mount_options(
sd_bus_message *message,
sd_bus_error *error,
MountOptions **ret_options,
char **ret_format_str,
const char *separator) {
_cleanup_(mount_options_free_allp) MountOptions *options = NULL;
_cleanup_free_ char *format_str = NULL;
const char *mount_options, *partition;
int r;
assert(message);
assert(ret_options);
assert(separator);
r = sd_bus_message_enter_container(message, 'a', "(ss)");
if (r < 0)
return r;
while ((r = sd_bus_message_read(message, "(ss)", &partition, &mount_options)) > 0) {
_cleanup_free_ char *escaped = NULL;
_cleanup_free_ MountOptions *o = NULL;
PartitionDesignator partition_designator;
if (chars_intersect(mount_options, WHITESPACE))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Invalid mount options string, contains whitespace character(s): %s", mount_options);
partition_designator = partition_designator_from_string(partition);
if (partition_designator < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid partition name %s", partition);
/* Need to store the options with the escapes, so that they can be parsed again */
escaped = shell_escape(mount_options, ":");
if (!escaped)
return -ENOMEM;
if (!strextend_with_separator(&format_str, separator, partition, ":", escaped))
return -ENOMEM;
o = new(MountOptions, 1);
if (!o)
return -ENOMEM;
*o = (MountOptions) {
.partition_designator = partition_designator,
.options = strdup(mount_options),
};
if (!o->options)
return -ENOMEM;
LIST_APPEND(mount_options, options, TAKE_PTR(o));
}
if (r < 0)
return r;
r = sd_bus_message_exit_container(message);
if (r < 0)
return r;
if (!LIST_IS_EMPTY(options)) {
if (ret_format_str) {
char *final = strjoin(*ret_format_str, !isempty(*ret_format_str) ? separator : "", format_str);
if (!final)
return -ENOMEM;
free_and_replace(*ret_format_str, final);
}
LIST_JOIN(mount_options, *ret_options, options);
}
return 0;
}
|
