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
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include "alloc-util.h"
#include "env-util.h"
#include "log.h"
#include "macro.h"
#include "proc-cmdline.h"
#include "special.h"
#include "string-util.h"
#include "util.h"
static int obj;
static int parse_item(const char *key, const char *value, void *data) {
assert_se(key);
assert_se(data == &obj);
log_info("kernel cmdline option <%s> = <%s>", key, strna(value));
return 0;
}
static void test_proc_cmdline_parse(void) {
log_info("/* %s */", __func__);
assert_se(proc_cmdline_parse(parse_item, &obj, PROC_CMDLINE_STRIP_RD_PREFIX) >= 0);
}
static void test_proc_cmdline_override(void) {
log_info("/* %s */", __func__);
assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar=quux wuff-piep=tuet zumm some_arg_with_space='foo bar' and_one_more=\"zzz aaa\"") == 0);
/* Test if the override works */
_cleanup_free_ char *line = NULL, *value = NULL;
assert_se(proc_cmdline(&line) >= 0);
/* Test if parsing makes uses of the override */
assert_se(streq(line, "foo_bar=quux wuff-piep=tuet zumm some_arg_with_space='foo bar' and_one_more=\"zzz aaa\""));
assert_se(proc_cmdline_get_key("foo_bar", 0, &value) > 0 && streq_ptr(value, "quux"));
value = mfree(value);
assert_se(proc_cmdline_get_key("some_arg_with_space", 0, &value) > 0 && streq_ptr(value, "foo bar"));
value = mfree(value);
assert_se(proc_cmdline_get_key("and_one_more", 0, &value) > 0 && streq_ptr(value, "zzz aaa"));
value = mfree(value);
}
static int parse_item_given(const char *key, const char *value, void *data) {
assert_se(key);
assert_se(data);
bool *strip = data;
log_info("%s: option <%s> = <%s>", __func__, key, strna(value));
if (proc_cmdline_key_streq(key, "foo_bar"))
assert_se(streq(value, "quux"));
else if (proc_cmdline_key_streq(key, "wuff-piep"))
assert_se(streq(value, "tuet "));
else if (proc_cmdline_key_streq(key, "space"))
assert_se(streq(value, "x y z"));
else if (proc_cmdline_key_streq(key, "miepf"))
assert_se(streq(value, "uuu"));
else if (in_initrd() && *strip && proc_cmdline_key_streq(key, "zumm"))
assert_se(!value);
else if (in_initrd() && !*strip && proc_cmdline_key_streq(key, "rd.zumm"))
assert_se(!value);
else
assert_not_reached("Bad key!");
return 0;
}
static void test_proc_cmdline_given(bool flip_initrd) {
log_info("/* %s (flip: %s) */", __func__, yes_no(flip_initrd));
if (flip_initrd)
in_initrd_force(!in_initrd());
bool t = true, f = false;
assert_se(proc_cmdline_parse_given("foo_bar=quux wuff-piep=\"tuet \" rd.zumm space='x y z' miepf=\"uuu\"",
parse_item_given, &t, PROC_CMDLINE_STRIP_RD_PREFIX) >= 0);
assert_se(proc_cmdline_parse_given("foo_bar=quux wuff-piep=\"tuet \" rd.zumm space='x y z' miepf=\"uuu\"",
parse_item_given, &f, 0) >= 0);
if (flip_initrd)
in_initrd_force(!in_initrd());
}
static void test_proc_cmdline_get_key(void) {
_cleanup_free_ char *value = NULL;
log_info("/* %s */", __func__);
assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar=quux wuff-piep=tuet zumm spaaace='ö ü ß' ticks=\"''\"") == 0);
assert_se(proc_cmdline_get_key("", 0, &value) == -EINVAL);
assert_se(proc_cmdline_get_key("abc", 0, NULL) == 0);
assert_se(proc_cmdline_get_key("abc", 0, &value) == 0 && value == NULL);
assert_se(proc_cmdline_get_key("abc", PROC_CMDLINE_VALUE_OPTIONAL, &value) == 0 && value == NULL);
assert_se(proc_cmdline_get_key("foo_bar", 0, &value) > 0 && streq_ptr(value, "quux"));
value = mfree(value);
assert_se(proc_cmdline_get_key("foo_bar", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "quux"));
value = mfree(value);
assert_se(proc_cmdline_get_key("foo-bar", 0, &value) > 0 && streq_ptr(value, "quux"));
value = mfree(value);
assert_se(proc_cmdline_get_key("foo-bar", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "quux"));
value = mfree(value);
assert_se(proc_cmdline_get_key("foo-bar", 0, NULL) == 0);
assert_se(proc_cmdline_get_key("foo-bar", PROC_CMDLINE_VALUE_OPTIONAL, NULL) == -EINVAL);
assert_se(proc_cmdline_get_key("wuff-piep", 0, &value) > 0 && streq_ptr(value, "tuet"));
value = mfree(value);
assert_se(proc_cmdline_get_key("wuff-piep", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "tuet"));
value = mfree(value);
assert_se(proc_cmdline_get_key("wuff_piep", 0, &value) > 0 && streq_ptr(value, "tuet"));
value = mfree(value);
assert_se(proc_cmdline_get_key("wuff_piep", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "tuet"));
value = mfree(value);
assert_se(proc_cmdline_get_key("wuff_piep", 0, NULL) == 0);
assert_se(proc_cmdline_get_key("wuff_piep", PROC_CMDLINE_VALUE_OPTIONAL, NULL) == -EINVAL);
assert_se(proc_cmdline_get_key("zumm", 0, &value) == 0 && value == NULL);
assert_se(proc_cmdline_get_key("zumm", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && value == NULL);
assert_se(proc_cmdline_get_key("zumm", 0, NULL) > 0);
assert_se(proc_cmdline_get_key("spaaace", 0, &value) > 0 && streq_ptr(value, "ö ü ß"));
value = mfree(value);
assert_se(proc_cmdline_get_key("ticks", 0, &value) > 0 && streq_ptr(value, "''"));
}
static void test_proc_cmdline_get_bool(void) {
bool value = false;
log_info("/* %s */", __func__);
assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar bar-waldo=1 x_y-z=0 quux=miep") == 0);
assert_se(proc_cmdline_get_bool("", &value) == -EINVAL);
assert_se(proc_cmdline_get_bool("abc", &value) == 0 && value == false);
assert_se(proc_cmdline_get_bool("foo_bar", &value) > 0 && value == true);
assert_se(proc_cmdline_get_bool("foo-bar", &value) > 0 && value == true);
assert_se(proc_cmdline_get_bool("bar-waldo", &value) > 0 && value == true);
assert_se(proc_cmdline_get_bool("bar_waldo", &value) > 0 && value == true);
assert_se(proc_cmdline_get_bool("x_y-z", &value) > 0 && value == false);
assert_se(proc_cmdline_get_bool("x-y-z", &value) > 0 && value == false);
assert_se(proc_cmdline_get_bool("x-y_z", &value) > 0 && value == false);
assert_se(proc_cmdline_get_bool("x_y_z", &value) > 0 && value == false);
assert_se(proc_cmdline_get_bool("quux", &value) == -EINVAL && value == false);
}
static void test_proc_cmdline_get_key_many(void) {
_cleanup_free_ char *value1 = NULL, *value2 = NULL, *value3 = NULL, *value4 = NULL, *value5 = NULL, *value6 = NULL;
log_info("/* %s */", __func__);
assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar=quux wuff-piep=tuet zumm SPACE='one two' doubleticks=\" aaa aaa \"") == 0);
assert_se(proc_cmdline_get_key_many(0,
"wuff-piep", &value3,
"foo_bar", &value1,
"idontexist", &value2,
"zumm", &value4,
"SPACE", &value5,
"doubleticks", &value6) == 4);
assert_se(streq_ptr(value1, "quux"));
assert_se(!value2);
assert_se(streq_ptr(value3, "tuet"));
assert_se(!value4);
assert_se(streq_ptr(value5, "one two"));
assert_se(streq_ptr(value6, " aaa aaa "));
}
static void test_proc_cmdline_key_streq(void) {
log_info("/* %s */", __func__);
assert_se(proc_cmdline_key_streq("", ""));
assert_se(proc_cmdline_key_streq("a", "a"));
assert_se(!proc_cmdline_key_streq("", "a"));
assert_se(!proc_cmdline_key_streq("a", ""));
assert_se(proc_cmdline_key_streq("a", "a"));
assert_se(!proc_cmdline_key_streq("a", "b"));
assert_se(proc_cmdline_key_streq("x-y-z", "x-y-z"));
assert_se(proc_cmdline_key_streq("x-y-z", "x_y_z"));
assert_se(proc_cmdline_key_streq("x-y-z", "x-y_z"));
assert_se(proc_cmdline_key_streq("x-y-z", "x_y-z"));
assert_se(proc_cmdline_key_streq("x_y-z", "x-y_z"));
assert_se(!proc_cmdline_key_streq("x_y-z", "x-z_z"));
}
static void test_proc_cmdline_key_startswith(void) {
log_info("/* %s */", __func__);
assert_se(proc_cmdline_key_startswith("", ""));
assert_se(proc_cmdline_key_startswith("x", ""));
assert_se(!proc_cmdline_key_startswith("", "x"));
assert_se(proc_cmdline_key_startswith("x", "x"));
assert_se(!proc_cmdline_key_startswith("x", "y"));
assert_se(!proc_cmdline_key_startswith("foo-bar", "quux"));
assert_se(proc_cmdline_key_startswith("foo-bar", "foo"));
assert_se(proc_cmdline_key_startswith("foo-bar", "foo-bar"));
assert_se(proc_cmdline_key_startswith("foo-bar", "foo_bar"));
assert_se(proc_cmdline_key_startswith("foo-bar", "foo_"));
assert_se(!proc_cmdline_key_startswith("foo-bar", "foo_xx"));
}
static void test_runlevel_to_target(void) {
log_info("/* %s */", __func__);
in_initrd_force(false);
assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
assert_se(streq_ptr(runlevel_to_target("rd.rescue"), NULL));
in_initrd_force(true);
assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("3"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.rescue"), SPECIAL_RESCUE_TARGET));
}
int main(void) {
log_parse_environment();
log_open();
test_proc_cmdline_parse();
test_proc_cmdline_override();
test_proc_cmdline_given(false);
/* Repeat the same thing, but now flip our ininitrdness */
test_proc_cmdline_given(true);
test_proc_cmdline_key_streq();
test_proc_cmdline_key_startswith();
test_proc_cmdline_get_key();
test_proc_cmdline_get_bool();
test_proc_cmdline_get_key_many();
test_runlevel_to_target();
return 0;
}
|
