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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d376cbb7 RC |
2 | |
3 | #include "alloc-util.h" | |
9a135c08 | 4 | #include "env-util.h" |
d376cbb7 RC |
5 | #include "log.h" |
6 | #include "macro.h" | |
7 | #include "proc-cmdline.h" | |
8 | #include "special.h" | |
9 | #include "string-util.h" | |
dcd61450 | 10 | #include "util.h" |
d376cbb7 | 11 | |
96287a49 ZJS |
12 | static int obj; |
13 | ||
14 | static int parse_item(const char *key, const char *value, void *data) { | |
d376cbb7 | 15 | assert_se(key); |
96287a49 | 16 | assert_se(data == &obj); |
d376cbb7 RC |
17 | |
18 | log_info("kernel cmdline option <%s> = <%s>", key, strna(value)); | |
19 | return 0; | |
20 | } | |
21 | ||
1d84ad94 | 22 | static void test_proc_cmdline_parse(void) { |
9a135c08 ZJS |
23 | log_info("/* %s */", __func__); |
24 | ||
25 | assert_se(proc_cmdline_parse(parse_item, &obj, PROC_CMDLINE_STRIP_RD_PREFIX) >= 0); | |
d376cbb7 RC |
26 | } |
27 | ||
9a135c08 ZJS |
28 | static void test_proc_cmdline_override(void) { |
29 | log_info("/* %s */", __func__); | |
dcd61450 | 30 | |
483d713e | 31 | 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); |
9a135c08 ZJS |
32 | |
33 | /* Test if the override works */ | |
34 | _cleanup_free_ char *line = NULL, *value = NULL; | |
35 | assert_se(proc_cmdline(&line) >= 0); | |
36 | ||
37 | /* Test if parsing makes uses of the override */ | |
483d713e | 38 | assert_se(streq(line, "foo_bar=quux wuff-piep=tuet zumm some_arg_with_space='foo bar' and_one_more=\"zzz aaa\"")); |
9a135c08 | 39 | assert_se(proc_cmdline_get_key("foo_bar", 0, &value) > 0 && streq_ptr(value, "quux")); |
483d713e LP |
40 | value = mfree(value); |
41 | ||
42 | assert_se(proc_cmdline_get_key("some_arg_with_space", 0, &value) > 0 && streq_ptr(value, "foo bar")); | |
43 | value = mfree(value); | |
44 | ||
45 | assert_se(proc_cmdline_get_key("and_one_more", 0, &value) > 0 && streq_ptr(value, "zzz aaa")); | |
46 | value = mfree(value); | |
9a135c08 ZJS |
47 | } |
48 | ||
49 | static int parse_item_given(const char *key, const char *value, void *data) { | |
50 | assert_se(key); | |
51 | assert_se(data); | |
52 | ||
53 | bool *strip = data; | |
54 | ||
55 | log_info("%s: option <%s> = <%s>", __func__, key, strna(value)); | |
ad0cdb6b | 56 | if (proc_cmdline_key_streq(key, "foo_bar")) |
9a135c08 | 57 | assert_se(streq(value, "quux")); |
ad0cdb6b | 58 | else if (proc_cmdline_key_streq(key, "wuff-piep")) |
9a135c08 | 59 | assert_se(streq(value, "tuet ")); |
ad0cdb6b | 60 | else if (proc_cmdline_key_streq(key, "space")) |
483d713e | 61 | assert_se(streq(value, "x y z")); |
ad0cdb6b | 62 | else if (proc_cmdline_key_streq(key, "miepf")) |
483d713e | 63 | assert_se(streq(value, "uuu")); |
ad0cdb6b | 64 | else if (in_initrd() && *strip && proc_cmdline_key_streq(key, "zumm")) |
9a135c08 | 65 | assert_se(!value); |
ad0cdb6b | 66 | else if (in_initrd() && !*strip && proc_cmdline_key_streq(key, "rd.zumm")) |
9a135c08 ZJS |
67 | assert_se(!value); |
68 | else | |
69 | assert_not_reached("Bad key!"); | |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | static void test_proc_cmdline_given(bool flip_initrd) { | |
75 | log_info("/* %s (flip: %s) */", __func__, yes_no(flip_initrd)); | |
76 | ||
77 | if (flip_initrd) | |
78 | in_initrd_force(!in_initrd()); | |
79 | ||
80 | bool t = true, f = false; | |
483d713e | 81 | assert_se(proc_cmdline_parse_given("foo_bar=quux wuff-piep=\"tuet \" rd.zumm space='x y z' miepf=\"uuu\"", |
9a135c08 ZJS |
82 | parse_item_given, &t, PROC_CMDLINE_STRIP_RD_PREFIX) >= 0); |
83 | ||
483d713e | 84 | assert_se(proc_cmdline_parse_given("foo_bar=quux wuff-piep=\"tuet \" rd.zumm space='x y z' miepf=\"uuu\"", |
9a135c08 ZJS |
85 | parse_item_given, &f, 0) >= 0); |
86 | ||
9a135c08 ZJS |
87 | if (flip_initrd) |
88 | in_initrd_force(!in_initrd()); | |
d376cbb7 RC |
89 | } |
90 | ||
1d84ad94 LP |
91 | static void test_proc_cmdline_get_key(void) { |
92 | _cleanup_free_ char *value = NULL; | |
93 | ||
9a135c08 | 94 | log_info("/* %s */", __func__); |
ef9fafbd | 95 | assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar=quux wuff-piep=tuet zumm spaaace='ö ü ß' ticks=\"''\"\n\nkkk=uuu\n\n\n") == 0); |
1d84ad94 LP |
96 | |
97 | assert_se(proc_cmdline_get_key("", 0, &value) == -EINVAL); | |
98 | assert_se(proc_cmdline_get_key("abc", 0, NULL) == 0); | |
99 | assert_se(proc_cmdline_get_key("abc", 0, &value) == 0 && value == NULL); | |
100 | assert_se(proc_cmdline_get_key("abc", PROC_CMDLINE_VALUE_OPTIONAL, &value) == 0 && value == NULL); | |
101 | ||
102 | assert_se(proc_cmdline_get_key("foo_bar", 0, &value) > 0 && streq_ptr(value, "quux")); | |
103 | value = mfree(value); | |
104 | assert_se(proc_cmdline_get_key("foo_bar", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "quux")); | |
105 | value = mfree(value); | |
106 | assert_se(proc_cmdline_get_key("foo-bar", 0, &value) > 0 && streq_ptr(value, "quux")); | |
107 | value = mfree(value); | |
108 | assert_se(proc_cmdline_get_key("foo-bar", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "quux")); | |
109 | value = mfree(value); | |
110 | assert_se(proc_cmdline_get_key("foo-bar", 0, NULL) == 0); | |
111 | assert_se(proc_cmdline_get_key("foo-bar", PROC_CMDLINE_VALUE_OPTIONAL, NULL) == -EINVAL); | |
112 | ||
113 | assert_se(proc_cmdline_get_key("wuff-piep", 0, &value) > 0 && streq_ptr(value, "tuet")); | |
114 | value = mfree(value); | |
115 | assert_se(proc_cmdline_get_key("wuff-piep", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "tuet")); | |
116 | value = mfree(value); | |
117 | assert_se(proc_cmdline_get_key("wuff_piep", 0, &value) > 0 && streq_ptr(value, "tuet")); | |
118 | value = mfree(value); | |
119 | assert_se(proc_cmdline_get_key("wuff_piep", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && streq_ptr(value, "tuet")); | |
120 | value = mfree(value); | |
121 | assert_se(proc_cmdline_get_key("wuff_piep", 0, NULL) == 0); | |
122 | assert_se(proc_cmdline_get_key("wuff_piep", PROC_CMDLINE_VALUE_OPTIONAL, NULL) == -EINVAL); | |
123 | ||
124 | assert_se(proc_cmdline_get_key("zumm", 0, &value) == 0 && value == NULL); | |
125 | assert_se(proc_cmdline_get_key("zumm", PROC_CMDLINE_VALUE_OPTIONAL, &value) > 0 && value == NULL); | |
126 | assert_se(proc_cmdline_get_key("zumm", 0, NULL) > 0); | |
483d713e LP |
127 | |
128 | assert_se(proc_cmdline_get_key("spaaace", 0, &value) > 0 && streq_ptr(value, "ö ü ß")); | |
129 | value = mfree(value); | |
130 | ||
131 | assert_se(proc_cmdline_get_key("ticks", 0, &value) > 0 && streq_ptr(value, "''")); | |
ef9fafbd LP |
132 | value = mfree(value); |
133 | ||
134 | assert_se(proc_cmdline_get_key("kkk", 0, &value) > 0 && streq_ptr(value, "uuu")); | |
1d84ad94 LP |
135 | } |
136 | ||
137 | static void test_proc_cmdline_get_bool(void) { | |
138 | bool value = false; | |
139 | ||
9a135c08 | 140 | log_info("/* %s */", __func__); |
ef9fafbd | 141 | assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar bar-waldo=1 x_y-z=0 quux=miep\nda=yes\nthe=1") == 0); |
1d84ad94 LP |
142 | |
143 | assert_se(proc_cmdline_get_bool("", &value) == -EINVAL); | |
144 | assert_se(proc_cmdline_get_bool("abc", &value) == 0 && value == false); | |
145 | assert_se(proc_cmdline_get_bool("foo_bar", &value) > 0 && value == true); | |
146 | assert_se(proc_cmdline_get_bool("foo-bar", &value) > 0 && value == true); | |
147 | assert_se(proc_cmdline_get_bool("bar-waldo", &value) > 0 && value == true); | |
148 | assert_se(proc_cmdline_get_bool("bar_waldo", &value) > 0 && value == true); | |
149 | assert_se(proc_cmdline_get_bool("x_y-z", &value) > 0 && value == false); | |
150 | assert_se(proc_cmdline_get_bool("x-y-z", &value) > 0 && value == false); | |
151 | assert_se(proc_cmdline_get_bool("x-y_z", &value) > 0 && value == false); | |
152 | assert_se(proc_cmdline_get_bool("x_y_z", &value) > 0 && value == false); | |
153 | assert_se(proc_cmdline_get_bool("quux", &value) == -EINVAL && value == false); | |
ef9fafbd LP |
154 | assert_se(proc_cmdline_get_bool("da", &value) > 0 && value == true); |
155 | assert_se(proc_cmdline_get_bool("the", &value) > 0 && value == true); | |
1d84ad94 LP |
156 | } |
157 | ||
78b30ee0 | 158 | static void test_proc_cmdline_get_key_many(void) { |
ef9fafbd | 159 | _cleanup_free_ char *value1 = NULL, *value2 = NULL, *value3 = NULL, *value4 = NULL, *value5 = NULL, *value6 = NULL, *value7 = NULL; |
78b30ee0 LP |
160 | |
161 | log_info("/* %s */", __func__); | |
ef9fafbd | 162 | assert_se(putenv((char*) "SYSTEMD_PROC_CMDLINE=foo_bar=quux wuff-piep=tuet zumm SPACE='one two' doubleticks=\" aaa aaa \"\n\nzummm='\n'\n") == 0); |
78b30ee0 LP |
163 | |
164 | assert_se(proc_cmdline_get_key_many(0, | |
165 | "wuff-piep", &value3, | |
166 | "foo_bar", &value1, | |
167 | "idontexist", &value2, | |
483d713e LP |
168 | "zumm", &value4, |
169 | "SPACE", &value5, | |
ef9fafbd LP |
170 | "doubleticks", &value6, |
171 | "zummm", &value7) == 5); | |
172 | ||
78b30ee0 LP |
173 | |
174 | assert_se(streq_ptr(value1, "quux")); | |
175 | assert_se(!value2); | |
176 | assert_se(streq_ptr(value3, "tuet")); | |
177 | assert_se(!value4); | |
483d713e LP |
178 | assert_se(streq_ptr(value5, "one two")); |
179 | assert_se(streq_ptr(value6, " aaa aaa ")); | |
ef9fafbd | 180 | assert_se(streq_ptr(value7, "\n")); |
78b30ee0 LP |
181 | } |
182 | ||
1d84ad94 | 183 | static void test_proc_cmdline_key_streq(void) { |
9a135c08 | 184 | log_info("/* %s */", __func__); |
1d84ad94 LP |
185 | |
186 | assert_se(proc_cmdline_key_streq("", "")); | |
187 | assert_se(proc_cmdline_key_streq("a", "a")); | |
188 | assert_se(!proc_cmdline_key_streq("", "a")); | |
189 | assert_se(!proc_cmdline_key_streq("a", "")); | |
190 | assert_se(proc_cmdline_key_streq("a", "a")); | |
191 | assert_se(!proc_cmdline_key_streq("a", "b")); | |
192 | assert_se(proc_cmdline_key_streq("x-y-z", "x-y-z")); | |
193 | assert_se(proc_cmdline_key_streq("x-y-z", "x_y_z")); | |
194 | assert_se(proc_cmdline_key_streq("x-y-z", "x-y_z")); | |
195 | assert_se(proc_cmdline_key_streq("x-y-z", "x_y-z")); | |
196 | assert_se(proc_cmdline_key_streq("x_y-z", "x-y_z")); | |
197 | assert_se(!proc_cmdline_key_streq("x_y-z", "x-z_z")); | |
198 | } | |
199 | ||
200 | static void test_proc_cmdline_key_startswith(void) { | |
9a135c08 | 201 | log_info("/* %s */", __func__); |
1d84ad94 LP |
202 | |
203 | assert_se(proc_cmdline_key_startswith("", "")); | |
204 | assert_se(proc_cmdline_key_startswith("x", "")); | |
205 | assert_se(!proc_cmdline_key_startswith("", "x")); | |
206 | assert_se(proc_cmdline_key_startswith("x", "x")); | |
207 | assert_se(!proc_cmdline_key_startswith("x", "y")); | |
208 | assert_se(!proc_cmdline_key_startswith("foo-bar", "quux")); | |
209 | assert_se(proc_cmdline_key_startswith("foo-bar", "foo")); | |
210 | assert_se(proc_cmdline_key_startswith("foo-bar", "foo-bar")); | |
211 | assert_se(proc_cmdline_key_startswith("foo-bar", "foo_bar")); | |
212 | assert_se(proc_cmdline_key_startswith("foo-bar", "foo_")); | |
213 | assert_se(!proc_cmdline_key_startswith("foo-bar", "foo_xx")); | |
214 | } | |
215 | ||
9a135c08 ZJS |
216 | static void test_runlevel_to_target(void) { |
217 | log_info("/* %s */", __func__); | |
218 | ||
219 | in_initrd_force(false); | |
220 | assert_se(streq_ptr(runlevel_to_target(NULL), NULL)); | |
221 | assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL)); | |
222 | assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL)); | |
223 | assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET)); | |
224 | assert_se(streq_ptr(runlevel_to_target("rd.rescue"), NULL)); | |
225 | ||
226 | in_initrd_force(true); | |
227 | assert_se(streq_ptr(runlevel_to_target(NULL), NULL)); | |
228 | assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL)); | |
229 | assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL)); | |
230 | assert_se(streq_ptr(runlevel_to_target("3"), NULL)); | |
231 | assert_se(streq_ptr(runlevel_to_target("rd.rescue"), SPECIAL_RESCUE_TARGET)); | |
232 | } | |
233 | ||
d376cbb7 RC |
234 | int main(void) { |
235 | log_parse_environment(); | |
236 | log_open(); | |
237 | ||
1d84ad94 | 238 | test_proc_cmdline_parse(); |
9a135c08 ZJS |
239 | test_proc_cmdline_override(); |
240 | test_proc_cmdline_given(false); | |
241 | /* Repeat the same thing, but now flip our ininitrdness */ | |
242 | test_proc_cmdline_given(true); | |
1d84ad94 LP |
243 | test_proc_cmdline_key_streq(); |
244 | test_proc_cmdline_key_startswith(); | |
245 | test_proc_cmdline_get_key(); | |
246 | test_proc_cmdline_get_bool(); | |
78b30ee0 | 247 | test_proc_cmdline_get_key_many(); |
d376cbb7 RC |
248 | test_runlevel_to_target(); |
249 | ||
250 | return 0; | |
251 | } |