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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
c24eb49e | 2 | |
c24eb49e LP |
3 | #include <string.h> |
4 | ||
4d1a6904 | 5 | #include "env-util.h" |
a096d8c8 ZJS |
6 | #include "fd-util.h" |
7 | #include "fileio.h" | |
75e7d50e | 8 | #include "fs-util.h" |
d68c645b | 9 | #include "serialize.h" |
07630cea LP |
10 | #include "string-util.h" |
11 | #include "strv.h" | |
12 | #include "util.h" | |
c24eb49e | 13 | |
940bd473 TA |
14 | static void test_strv_env_delete(void) { |
15 | _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL; | |
16 | ||
bea1a013 | 17 | a = strv_new("FOO=BAR", "WALDO=WALDO", "WALDO=", "PIEP", "SCHLUMPF=SMURF"); |
9b5d6bd9 LP |
18 | assert_se(a); |
19 | ||
bea1a013 | 20 | b = strv_new("PIEP", "FOO"); |
9b5d6bd9 LP |
21 | assert_se(b); |
22 | ||
bea1a013 | 23 | c = strv_new("SCHLUMPF"); |
9b5d6bd9 | 24 | assert_se(c); |
940bd473 TA |
25 | |
26 | d = strv_env_delete(a, 2, b, c); | |
9b5d6bd9 | 27 | assert_se(d); |
940bd473 | 28 | |
9b5d6bd9 LP |
29 | assert_se(streq(d[0], "WALDO=WALDO")); |
30 | assert_se(streq(d[1], "WALDO=")); | |
31 | assert_se(strv_length(d) == 2); | |
940bd473 TA |
32 | } |
33 | ||
6162512c RS |
34 | static void test_strv_env_get(void) { |
35 | char **l; | |
36 | ||
37 | l = STRV_MAKE("ONE_OR_TWO=1", "THREE=3", "ONE_OR_TWO=2", "FOUR=4"); | |
38 | ||
39 | assert_se(streq(strv_env_get(l, "ONE_OR_TWO"), "2")); | |
40 | assert_se(streq(strv_env_get(l, "THREE"), "3")); | |
41 | assert_se(streq(strv_env_get(l, "FOUR"), "4")); | |
42 | } | |
43 | ||
940bd473 TA |
44 | static void test_strv_env_unset(void) { |
45 | _cleanup_strv_free_ char **l = NULL; | |
46 | ||
bea1a013 | 47 | l = strv_new("PIEP", "SCHLUMPF=SMURFF", "NANANANA=YES"); |
9b5d6bd9 | 48 | assert_se(l); |
940bd473 | 49 | |
9b5d6bd9 | 50 | assert_se(strv_env_unset(l, "SCHLUMPF") == l); |
940bd473 | 51 | |
9b5d6bd9 LP |
52 | assert_se(streq(l[0], "PIEP")); |
53 | assert_se(streq(l[1], "NANANANA=YES")); | |
54 | assert_se(strv_length(l) == 2); | |
940bd473 TA |
55 | } |
56 | ||
57 | static void test_strv_env_set(void) { | |
58 | _cleanup_strv_free_ char **l = NULL, **r = NULL; | |
59 | ||
bea1a013 | 60 | l = strv_new("PIEP", "SCHLUMPF=SMURFF", "NANANANA=YES"); |
9b5d6bd9 | 61 | assert_se(l); |
940bd473 TA |
62 | |
63 | r = strv_env_set(l, "WALDO=WALDO"); | |
9b5d6bd9 | 64 | assert_se(r); |
940bd473 | 65 | |
9b5d6bd9 LP |
66 | assert_se(streq(r[0], "PIEP")); |
67 | assert_se(streq(r[1], "SCHLUMPF=SMURFF")); | |
68 | assert_se(streq(r[2], "NANANANA=YES")); | |
69 | assert_se(streq(r[3], "WALDO=WALDO")); | |
70 | assert_se(strv_length(r) == 4); | |
940bd473 TA |
71 | } |
72 | ||
1f28b2de TA |
73 | static void test_strv_env_merge(void) { |
74 | _cleanup_strv_free_ char **a = NULL, **b = NULL, **r = NULL; | |
75 | ||
bea1a013 | 76 | a = strv_new("FOO=BAR", "WALDO=WALDO", "WALDO=", "PIEP", "SCHLUMPF=SMURF"); |
9b5d6bd9 LP |
77 | assert_se(a); |
78 | ||
bea1a013 | 79 | b = strv_new("FOO=KKK", "FOO=", "PIEP=", "SCHLUMPF=SMURFF", "NANANANA=YES"); |
9b5d6bd9 | 80 | assert_se(b); |
c24eb49e | 81 | |
1f28b2de | 82 | r = strv_env_merge(2, a, b); |
9b5d6bd9 LP |
83 | assert_se(r); |
84 | assert_se(streq(r[0], "FOO=")); | |
85 | assert_se(streq(r[1], "WALDO=")); | |
86 | assert_se(streq(r[2], "PIEP")); | |
87 | assert_se(streq(r[3], "SCHLUMPF=SMURFF")); | |
88 | assert_se(streq(r[4], "PIEP=")); | |
89 | assert_se(streq(r[5], "NANANANA=YES")); | |
90 | assert_se(strv_length(r) == 6); | |
91 | ||
92 | assert_se(strv_env_clean(r) == r); | |
93 | assert_se(streq(r[0], "FOO=")); | |
94 | assert_se(streq(r[1], "WALDO=")); | |
95 | assert_se(streq(r[2], "SCHLUMPF=SMURFF")); | |
96 | assert_se(streq(r[3], "PIEP=")); | |
97 | assert_se(streq(r[4], "NANANANA=YES")); | |
98 | assert_se(strv_length(r) == 5); | |
1f28b2de TA |
99 | } |
100 | ||
37f3ffca RS |
101 | static void test_env_strv_get_n(void) { |
102 | const char *_env[] = { | |
103 | "FOO=NO NO NO", | |
104 | "FOO=BAR BAR", | |
105 | "BAR=waldo", | |
106 | "PATH=unset", | |
107 | NULL | |
108 | }; | |
109 | char **env = (char**) _env; | |
110 | ||
111 | assert_se(streq(strv_env_get_n(env, "FOO__", 3, 0), "BAR BAR")); | |
112 | assert_se(streq(strv_env_get_n(env, "FOO__", 3, REPLACE_ENV_USE_ENVIRONMENT), "BAR BAR")); | |
113 | assert_se(streq(strv_env_get_n(env, "FOO", 3, 0), "BAR BAR")); | |
114 | assert_se(streq(strv_env_get_n(env, "FOO", 3, REPLACE_ENV_USE_ENVIRONMENT), "BAR BAR")); | |
115 | ||
116 | assert_se(streq(strv_env_get_n(env, "PATH__", 4, 0), "unset")); | |
117 | assert_se(streq(strv_env_get_n(env, "PATH", 4, 0), "unset")); | |
118 | assert_se(streq(strv_env_get_n(env, "PATH__", 4, REPLACE_ENV_USE_ENVIRONMENT), "unset")); | |
119 | assert_se(streq(strv_env_get_n(env, "PATH", 4, REPLACE_ENV_USE_ENVIRONMENT), "unset")); | |
120 | ||
121 | env[3] = NULL; /* kill our $PATH */ | |
122 | ||
123 | assert_se(!strv_env_get_n(env, "PATH__", 4, 0)); | |
124 | assert_se(!strv_env_get_n(env, "PATH", 4, 0)); | |
125 | assert_se(streq(strv_env_get_n(env, "PATH__", 4, REPLACE_ENV_USE_ENVIRONMENT), | |
126 | getenv("PATH"))); | |
127 | assert_se(streq(strv_env_get_n(env, "PATH", 4, REPLACE_ENV_USE_ENVIRONMENT), | |
128 | getenv("PATH"))); | |
129 | } | |
130 | ||
ccad1fd0 ZJS |
131 | static void test_replace_env(bool braceless) { |
132 | const char *env[] = { | |
133 | "FOO=BAR BAR", | |
134 | "BAR=waldo", | |
135 | NULL | |
136 | }; | |
137 | _cleanup_free_ char *t = NULL, *s = NULL, *q = NULL, *r = NULL, *p = NULL; | |
138 | unsigned flags = REPLACE_ENV_ALLOW_BRACELESS*braceless; | |
139 | ||
140 | t = replace_env("FOO=$FOO=${FOO}", (char**) env, flags); | |
141 | assert_se(streq(t, braceless ? "FOO=BAR BAR=BAR BAR" : "FOO=$FOO=BAR BAR")); | |
142 | ||
143 | s = replace_env("BAR=$BAR=${BAR}", (char**) env, flags); | |
144 | assert_se(streq(s, braceless ? "BAR=waldo=waldo" : "BAR=$BAR=waldo")); | |
145 | ||
146 | q = replace_env("BARBAR=$BARBAR=${BARBAR}", (char**) env, flags); | |
147 | assert_se(streq(q, braceless ? "BARBAR==" : "BARBAR=$BARBAR=")); | |
148 | ||
a93236aa ZJS |
149 | r = replace_env("BAR=$BAR$BAR${BAR}${BAR}", (char**) env, flags); |
150 | assert_se(streq(r, braceless ? "BAR=waldowaldowaldowaldo" : "BAR=$BAR$BARwaldowaldo")); | |
ccad1fd0 ZJS |
151 | |
152 | p = replace_env("${BAR}$BAR$BAR", (char**) env, flags); | |
153 | assert_se(streq(p, braceless ? "waldowaldowaldo" : "waldo$BAR$BAR")); | |
154 | } | |
155 | ||
f50ce8fc ZJS |
156 | static void test_replace_env2(bool extended) { |
157 | const char *env[] = { | |
158 | "FOO=foo", | |
159 | "BAR=bar", | |
160 | NULL | |
161 | }; | |
162 | _cleanup_free_ char *t = NULL, *s = NULL, *q = NULL, *r = NULL, *p = NULL, *x = NULL; | |
163 | unsigned flags = REPLACE_ENV_ALLOW_EXTENDED*extended; | |
164 | ||
165 | t = replace_env("FOO=${FOO:-${BAR}}", (char**) env, flags); | |
166 | assert_se(streq(t, extended ? "FOO=foo" : "FOO=${FOO:-bar}")); | |
167 | ||
168 | s = replace_env("BAR=${XXX:-${BAR}}", (char**) env, flags); | |
169 | assert_se(streq(s, extended ? "BAR=bar" : "BAR=${XXX:-bar}")); | |
170 | ||
171 | q = replace_env("XXX=${XXX:+${BAR}}", (char**) env, flags); | |
172 | assert_se(streq(q, extended ? "XXX=" : "XXX=${XXX:+bar}")); | |
173 | ||
174 | r = replace_env("FOO=${FOO:+${BAR}}", (char**) env, flags); | |
175 | assert_se(streq(r, extended ? "FOO=bar" : "FOO=${FOO:+bar}")); | |
176 | ||
177 | p = replace_env("FOO=${FOO:-${BAR}post}", (char**) env, flags); | |
178 | assert_se(streq(p, extended ? "FOO=foo" : "FOO=${FOO:-barpost}")); | |
179 | ||
180 | x = replace_env("XXX=${XXX:+${BAR}post}", (char**) env, flags); | |
181 | assert_se(streq(x, extended ? "XXX=" : "XXX=${XXX:+barpost}")); | |
182 | } | |
183 | ||
ccad1fd0 | 184 | static void test_replace_env_argv(void) { |
c24eb49e LP |
185 | const char *env[] = { |
186 | "FOO=BAR BAR", | |
187 | "BAR=waldo", | |
188 | NULL | |
189 | }; | |
c24eb49e LP |
190 | const char *line[] = { |
191 | "FOO$FOO", | |
192 | "FOO$FOOFOO", | |
193 | "FOO${FOO}$FOO", | |
194 | "FOO${FOO}", | |
195 | "${FOO}", | |
196 | "$FOO", | |
197 | "$FOO$FOO", | |
198 | "${FOO}${BAR}", | |
199 | "${FOO", | |
df553b58 MS |
200 | "FOO$$${FOO}", |
201 | "$$FOO${FOO}", | |
b82f58bf RS |
202 | "${FOO:-${BAR}}", |
203 | "${QUUX:-${FOO}}", | |
204 | "${FOO:+${BAR}}", | |
205 | "${QUUX:+${BAR}}", | |
206 | "${FOO:+|${BAR}|}}", | |
207 | "${FOO:+|${BAR}{|}", | |
c24eb49e LP |
208 | NULL |
209 | }; | |
1f28b2de | 210 | _cleanup_strv_free_ char **r = NULL; |
c24eb49e LP |
211 | |
212 | r = replace_env_argv((char**) line, (char**) env); | |
9b5d6bd9 LP |
213 | assert_se(r); |
214 | assert_se(streq(r[0], "FOO$FOO")); | |
215 | assert_se(streq(r[1], "FOO$FOOFOO")); | |
216 | assert_se(streq(r[2], "FOOBAR BAR$FOO")); | |
217 | assert_se(streq(r[3], "FOOBAR BAR")); | |
218 | assert_se(streq(r[4], "BAR BAR")); | |
219 | assert_se(streq(r[5], "BAR")); | |
220 | assert_se(streq(r[6], "BAR")); | |
221 | assert_se(streq(r[7], "BAR BARwaldo")); | |
222 | assert_se(streq(r[8], "${FOO")); | |
df553b58 MS |
223 | assert_se(streq(r[9], "FOO$BAR BAR")); |
224 | assert_se(streq(r[10], "$FOOBAR BAR")); | |
b82f58bf RS |
225 | assert_se(streq(r[11], "${FOO:-waldo}")); |
226 | assert_se(streq(r[12], "${QUUX:-BAR BAR}")); | |
227 | assert_se(streq(r[13], "${FOO:+waldo}")); | |
228 | assert_se(streq(r[14], "${QUUX:+waldo}")); | |
229 | assert_se(streq(r[15], "${FOO:+|waldo|}}")); | |
230 | assert_se(streq(r[16], "${FOO:+|waldo{|}")); | |
231 | assert_se(strv_length(r) == 17); | |
1f28b2de | 232 | } |
a6ff950e | 233 | |
4d1a6904 | 234 | static void test_env_clean(void) { |
4d1a6904 LP |
235 | _cleanup_strv_free_ char **e; |
236 | ||
237 | e = strv_new("FOOBAR=WALDO", | |
238 | "FOOBAR=WALDO", | |
239 | "FOOBAR", | |
240 | "F", | |
241 | "X=", | |
242 | "F=F", | |
243 | "=", | |
244 | "=F", | |
245 | "", | |
246 | "0000=000", | |
247 | "äöüß=abcd", | |
248 | "abcd=äöüß", | |
249 | "xyz\n=xyz", | |
250 | "xyz=xyz\n", | |
251 | "another=one", | |
bea1a013 | 252 | "another=final one"); |
9b5d6bd9 LP |
253 | assert_se(e); |
254 | assert_se(!strv_env_is_valid(e)); | |
255 | assert_se(strv_env_clean(e) == e); | |
256 | assert_se(strv_env_is_valid(e)); | |
4d1a6904 LP |
257 | |
258 | assert_se(streq(e[0], "FOOBAR=WALDO")); | |
259 | assert_se(streq(e[1], "X=")); | |
260 | assert_se(streq(e[2], "F=F")); | |
261 | assert_se(streq(e[3], "abcd=äöüß")); | |
b4346b9a FB |
262 | assert_se(streq(e[4], "xyz=xyz\n")); |
263 | assert_se(streq(e[5], "another=final one")); | |
264 | assert_se(e[6] == NULL); | |
4d1a6904 LP |
265 | } |
266 | ||
8354c34e TA |
267 | static void test_env_name_is_valid(void) { |
268 | assert_se(env_name_is_valid("test")); | |
269 | ||
270 | assert_se(!env_name_is_valid(NULL)); | |
271 | assert_se(!env_name_is_valid("")); | |
b8c83cfc ZJS |
272 | assert_se(!env_name_is_valid("xxx\a")); |
273 | assert_se(!env_name_is_valid("xxx\007b")); | |
274 | assert_se(!env_name_is_valid("\007\009")); | |
8354c34e TA |
275 | assert_se(!env_name_is_valid("5_starting_with_a_number_is_wrong")); |
276 | assert_se(!env_name_is_valid("#¤%&?_only_numbers_letters_and_underscore_allowed")); | |
277 | } | |
278 | ||
b8c83cfc ZJS |
279 | static void test_env_value_is_valid(void) { |
280 | assert_se(env_value_is_valid("")); | |
281 | assert_se(env_value_is_valid("głąb kapuściany")); | |
282 | assert_se(env_value_is_valid("printf \"\\x1b]0;<mock-chroot>\\x07<mock-chroot>\"")); | |
b4346b9a FB |
283 | assert_se(env_value_is_valid("tab\tcharacter")); |
284 | assert_se(env_value_is_valid("new\nline")); | |
b8c83cfc ZJS |
285 | } |
286 | ||
287 | static void test_env_assignment_is_valid(void) { | |
288 | assert_se(env_assignment_is_valid("a=")); | |
289 | assert_se(env_assignment_is_valid("b=głąb kapuściany")); | |
290 | assert_se(env_assignment_is_valid("c=\\007\\009\\011")); | |
291 | assert_se(env_assignment_is_valid("e=printf \"\\x1b]0;<mock-chroot>\\x07<mock-chroot>\"")); | |
b4346b9a FB |
292 | assert_se(env_assignment_is_valid("f=tab\tcharacter")); |
293 | assert_se(env_assignment_is_valid("g=new\nline")); | |
b8c83cfc ZJS |
294 | |
295 | assert_se(!env_assignment_is_valid("=")); | |
296 | assert_se(!env_assignment_is_valid("a b=")); | |
297 | assert_se(!env_assignment_is_valid("a =")); | |
298 | assert_se(!env_assignment_is_valid(" b=")); | |
299 | /* no dots or dashes: http://tldp.org/LDP/abs/html/gotchas.html */ | |
300 | assert_se(!env_assignment_is_valid("a.b=")); | |
301 | assert_se(!env_assignment_is_valid("a-b=")); | |
302 | assert_se(!env_assignment_is_valid("\007=głąb kapuściany")); | |
303 | assert_se(!env_assignment_is_valid("c\009=\007\009\011")); | |
304 | assert_se(!env_assignment_is_valid("głąb=printf \"\x1b]0;<mock-chroot>\x07<mock-chroot>\"")); | |
305 | } | |
306 | ||
1f28b2de | 307 | int main(int argc, char *argv[]) { |
940bd473 | 308 | test_strv_env_delete(); |
6162512c | 309 | test_strv_env_get(); |
940bd473 TA |
310 | test_strv_env_unset(); |
311 | test_strv_env_set(); | |
1f28b2de | 312 | test_strv_env_merge(); |
37f3ffca | 313 | test_env_strv_get_n(); |
ccad1fd0 ZJS |
314 | test_replace_env(false); |
315 | test_replace_env(true); | |
f50ce8fc ZJS |
316 | test_replace_env2(false); |
317 | test_replace_env2(true); | |
ccad1fd0 | 318 | test_replace_env_argv(); |
4d1a6904 | 319 | test_env_clean(); |
8354c34e | 320 | test_env_name_is_valid(); |
b8c83cfc ZJS |
321 | test_env_value_is_valid(); |
322 | test_env_assignment_is_valid(); | |
a6ff950e | 323 | |
5f7c426e | 324 | return 0; |
c24eb49e | 325 | } |