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13471436 RC |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include "alloc-util.h" | |
21 | #include "hexdecoct.h" | |
22 | #include "macro.h" | |
23 | #include "string-util.h" | |
24 | ||
25 | static void test_hexchar(void) { | |
26 | assert_se(hexchar(0xa) == 'a'); | |
27 | assert_se(hexchar(0x0) == '0'); | |
28 | } | |
29 | ||
30 | static void test_unhexchar(void) { | |
31 | assert_se(unhexchar('a') == 0xA); | |
32 | assert_se(unhexchar('A') == 0xA); | |
33 | assert_se(unhexchar('0') == 0x0); | |
34 | } | |
35 | ||
36 | static void test_base32hexchar(void) { | |
37 | assert_se(base32hexchar(0) == '0'); | |
38 | assert_se(base32hexchar(9) == '9'); | |
39 | assert_se(base32hexchar(10) == 'A'); | |
40 | assert_se(base32hexchar(31) == 'V'); | |
41 | } | |
42 | ||
43 | static void test_unbase32hexchar(void) { | |
44 | assert_se(unbase32hexchar('0') == 0); | |
45 | assert_se(unbase32hexchar('9') == 9); | |
46 | assert_se(unbase32hexchar('A') == 10); | |
47 | assert_se(unbase32hexchar('V') == 31); | |
48 | assert_se(unbase32hexchar('=') == -EINVAL); | |
49 | } | |
50 | ||
51 | static void test_base64char(void) { | |
52 | assert_se(base64char(0) == 'A'); | |
53 | assert_se(base64char(26) == 'a'); | |
54 | assert_se(base64char(63) == '/'); | |
55 | } | |
56 | ||
57 | static void test_unbase64char(void) { | |
58 | assert_se(unbase64char('A') == 0); | |
59 | assert_se(unbase64char('Z') == 25); | |
60 | assert_se(unbase64char('a') == 26); | |
61 | assert_se(unbase64char('z') == 51); | |
62 | assert_se(unbase64char('0') == 52); | |
63 | assert_se(unbase64char('9') == 61); | |
64 | assert_se(unbase64char('+') == 62); | |
65 | assert_se(unbase64char('/') == 63); | |
66 | assert_se(unbase64char('=') == -EINVAL); | |
67 | } | |
68 | ||
69 | static void test_octchar(void) { | |
70 | assert_se(octchar(00) == '0'); | |
71 | assert_se(octchar(07) == '7'); | |
72 | } | |
73 | ||
74 | static void test_unoctchar(void) { | |
75 | assert_se(unoctchar('0') == 00); | |
76 | assert_se(unoctchar('7') == 07); | |
77 | } | |
78 | ||
79 | static void test_decchar(void) { | |
80 | assert_se(decchar(0) == '0'); | |
81 | assert_se(decchar(9) == '9'); | |
82 | } | |
83 | ||
84 | static void test_undecchar(void) { | |
85 | assert_se(undecchar('0') == 0); | |
86 | assert_se(undecchar('9') == 9); | |
87 | } | |
88 | ||
89 | static void test_unhexmem(void) { | |
90 | const char *hex = "efa214921"; | |
91 | const char *hex_invalid = "efa214921o"; | |
92 | _cleanup_free_ char *hex2 = NULL; | |
93 | _cleanup_free_ void *mem = NULL; | |
94 | size_t len; | |
95 | ||
96 | assert_se(unhexmem(hex, strlen(hex), &mem, &len) == 0); | |
97 | assert_se(unhexmem(hex, strlen(hex) + 1, &mem, &len) == -EINVAL); | |
98 | assert_se(unhexmem(hex_invalid, strlen(hex_invalid), &mem, &len) == -EINVAL); | |
99 | ||
100 | assert_se((hex2 = hexmem(mem, len))); | |
101 | ||
102 | free(mem); | |
103 | ||
104 | assert_se(memcmp(hex, hex2, strlen(hex)) == 0); | |
105 | ||
106 | free(hex2); | |
107 | ||
108 | assert_se(unhexmem(hex, strlen(hex) - 1, &mem, &len) == 0); | |
109 | assert_se((hex2 = hexmem(mem, len))); | |
110 | assert_se(memcmp(hex, hex2, strlen(hex) - 1) == 0); | |
111 | } | |
112 | ||
113 | /* https://tools.ietf.org/html/rfc4648#section-10 */ | |
114 | static void test_base32hexmem(void) { | |
115 | char *b32; | |
116 | ||
117 | b32 = base32hexmem("", strlen(""), true); | |
118 | assert_se(b32); | |
119 | assert_se(streq(b32, "")); | |
120 | free(b32); | |
121 | ||
122 | b32 = base32hexmem("f", strlen("f"), true); | |
123 | assert_se(b32); | |
124 | assert_se(streq(b32, "CO======")); | |
125 | free(b32); | |
126 | ||
127 | b32 = base32hexmem("fo", strlen("fo"), true); | |
128 | assert_se(b32); | |
129 | assert_se(streq(b32, "CPNG====")); | |
130 | free(b32); | |
131 | ||
132 | b32 = base32hexmem("foo", strlen("foo"), true); | |
133 | assert_se(b32); | |
134 | assert_se(streq(b32, "CPNMU===")); | |
135 | free(b32); | |
136 | ||
137 | b32 = base32hexmem("foob", strlen("foob"), true); | |
138 | assert_se(b32); | |
139 | assert_se(streq(b32, "CPNMUOG=")); | |
140 | free(b32); | |
141 | ||
142 | b32 = base32hexmem("fooba", strlen("fooba"), true); | |
143 | assert_se(b32); | |
144 | assert_se(streq(b32, "CPNMUOJ1")); | |
145 | free(b32); | |
146 | ||
147 | b32 = base32hexmem("foobar", strlen("foobar"), true); | |
148 | assert_se(b32); | |
149 | assert_se(streq(b32, "CPNMUOJ1E8======")); | |
150 | free(b32); | |
151 | ||
152 | b32 = base32hexmem("", strlen(""), false); | |
153 | assert_se(b32); | |
154 | assert_se(streq(b32, "")); | |
155 | free(b32); | |
156 | ||
157 | b32 = base32hexmem("f", strlen("f"), false); | |
158 | assert_se(b32); | |
159 | assert_se(streq(b32, "CO")); | |
160 | free(b32); | |
161 | ||
162 | b32 = base32hexmem("fo", strlen("fo"), false); | |
163 | assert_se(b32); | |
164 | assert_se(streq(b32, "CPNG")); | |
165 | free(b32); | |
166 | ||
167 | b32 = base32hexmem("foo", strlen("foo"), false); | |
168 | assert_se(b32); | |
169 | assert_se(streq(b32, "CPNMU")); | |
170 | free(b32); | |
171 | ||
172 | b32 = base32hexmem("foob", strlen("foob"), false); | |
173 | assert_se(b32); | |
174 | assert_se(streq(b32, "CPNMUOG")); | |
175 | free(b32); | |
176 | ||
177 | b32 = base32hexmem("fooba", strlen("fooba"), false); | |
178 | assert_se(b32); | |
179 | assert_se(streq(b32, "CPNMUOJ1")); | |
180 | free(b32); | |
181 | ||
182 | b32 = base32hexmem("foobar", strlen("foobar"), false); | |
183 | assert_se(b32); | |
184 | assert_se(streq(b32, "CPNMUOJ1E8")); | |
185 | free(b32); | |
186 | } | |
187 | ||
188 | static void test_unbase32hexmem(void) { | |
189 | void *mem; | |
190 | size_t len; | |
191 | ||
192 | assert_se(unbase32hexmem("", strlen(""), true, &mem, &len) == 0); | |
193 | assert_se(streq(strndupa(mem, len), "")); | |
194 | free(mem); | |
195 | ||
196 | assert_se(unbase32hexmem("CO======", strlen("CO======"), true, &mem, &len) == 0); | |
197 | assert_se(streq(strndupa(mem, len), "f")); | |
198 | free(mem); | |
199 | ||
200 | assert_se(unbase32hexmem("CPNG====", strlen("CPNG===="), true, &mem, &len) == 0); | |
201 | assert_se(streq(strndupa(mem, len), "fo")); | |
202 | free(mem); | |
203 | ||
204 | assert_se(unbase32hexmem("CPNMU===", strlen("CPNMU==="), true, &mem, &len) == 0); | |
205 | assert_se(streq(strndupa(mem, len), "foo")); | |
206 | free(mem); | |
207 | ||
208 | assert_se(unbase32hexmem("CPNMUOG=", strlen("CPNMUOG="), true, &mem, &len) == 0); | |
209 | assert_se(streq(strndupa(mem, len), "foob")); | |
210 | free(mem); | |
211 | ||
212 | assert_se(unbase32hexmem("CPNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == 0); | |
213 | assert_se(streq(strndupa(mem, len), "fooba")); | |
214 | free(mem); | |
215 | ||
216 | assert_se(unbase32hexmem("CPNMUOJ1E8======", strlen("CPNMUOJ1E8======"), true, &mem, &len) == 0); | |
217 | assert_se(streq(strndupa(mem, len), "foobar")); | |
218 | free(mem); | |
219 | ||
220 | assert_se(unbase32hexmem("A", strlen("A"), true, &mem, &len) == -EINVAL); | |
221 | assert_se(unbase32hexmem("A=======", strlen("A======="), true, &mem, &len) == -EINVAL); | |
222 | assert_se(unbase32hexmem("AAA=====", strlen("AAA====="), true, &mem, &len) == -EINVAL); | |
223 | assert_se(unbase32hexmem("AAAAAA==", strlen("AAAAAA=="), true, &mem, &len) == -EINVAL); | |
224 | assert_se(unbase32hexmem("AB======", strlen("AB======"), true, &mem, &len) == -EINVAL); | |
225 | assert_se(unbase32hexmem("AAAB====", strlen("AAAB===="), true, &mem, &len) == -EINVAL); | |
226 | assert_se(unbase32hexmem("AAAAB===", strlen("AAAAB==="), true, &mem, &len) == -EINVAL); | |
227 | assert_se(unbase32hexmem("AAAAAAB=", strlen("AAAAAAB="), true, &mem, &len) == -EINVAL); | |
228 | ||
229 | assert_se(unbase32hexmem("XPNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
230 | assert_se(unbase32hexmem("CXNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
231 | assert_se(unbase32hexmem("CPXMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
232 | assert_se(unbase32hexmem("CPNXUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
233 | assert_se(unbase32hexmem("CPNMXOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
234 | assert_se(unbase32hexmem("CPNMUXJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
235 | assert_se(unbase32hexmem("CPNMUOX1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
236 | assert_se(unbase32hexmem("CPNMUOJX", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); | |
237 | ||
238 | assert_se(unbase32hexmem("", strlen(""), false, &mem, &len) == 0); | |
239 | assert_se(streq(strndupa(mem, len), "")); | |
240 | free(mem); | |
241 | ||
242 | assert_se(unbase32hexmem("CO", strlen("CO"), false, &mem, &len) == 0); | |
243 | assert_se(streq(strndupa(mem, len), "f")); | |
244 | free(mem); | |
245 | ||
246 | assert_se(unbase32hexmem("CPNG", strlen("CPNG"), false, &mem, &len) == 0); | |
247 | assert_se(streq(strndupa(mem, len), "fo")); | |
248 | free(mem); | |
249 | ||
250 | assert_se(unbase32hexmem("CPNMU", strlen("CPNMU"), false, &mem, &len) == 0); | |
251 | assert_se(streq(strndupa(mem, len), "foo")); | |
252 | free(mem); | |
253 | ||
254 | assert_se(unbase32hexmem("CPNMUOG", strlen("CPNMUOG"), false, &mem, &len) == 0); | |
255 | assert_se(streq(strndupa(mem, len), "foob")); | |
256 | free(mem); | |
257 | ||
258 | assert_se(unbase32hexmem("CPNMUOJ1", strlen("CPNMUOJ1"), false, &mem, &len) == 0); | |
259 | assert_se(streq(strndupa(mem, len), "fooba")); | |
260 | free(mem); | |
261 | ||
262 | assert_se(unbase32hexmem("CPNMUOJ1E8", strlen("CPNMUOJ1E8"), false, &mem, &len) == 0); | |
263 | assert_se(streq(strndupa(mem, len), "foobar")); | |
264 | free(mem); | |
265 | ||
266 | assert_se(unbase32hexmem("CPNMUOG=", strlen("CPNMUOG="), false, &mem, &len) == -EINVAL); | |
267 | assert_se(unbase32hexmem("CPNMUOJ1E8======", strlen("CPNMUOJ1E8======"), false, &mem, &len) == -EINVAL); | |
268 | assert_se(unbase32hexmem("A", strlen("A"), false, &mem, &len) == -EINVAL); | |
269 | assert_se(unbase32hexmem("A", strlen("A"), false, &mem, &len) == -EINVAL); | |
270 | assert_se(unbase32hexmem("AAA", strlen("AAA"), false, &mem, &len) == -EINVAL); | |
271 | assert_se(unbase32hexmem("AAAAAA", strlen("AAAAAA"), false, &mem, &len) == -EINVAL); | |
272 | assert_se(unbase32hexmem("AB", strlen("AB"), false, &mem, &len) == -EINVAL); | |
273 | assert_se(unbase32hexmem("AAAB", strlen("AAAB"), false, &mem, &len) == -EINVAL); | |
274 | assert_se(unbase32hexmem("AAAAB", strlen("AAAAB"), false, &mem, &len) == -EINVAL); | |
275 | assert_se(unbase32hexmem("AAAAAAB", strlen("AAAAAAB"), false, &mem, &len) == -EINVAL); | |
276 | } | |
277 | ||
278 | /* https://tools.ietf.org/html/rfc4648#section-10 */ | |
279 | static void test_base64mem(void) { | |
280 | char *b64; | |
281 | ||
282 | assert_se(base64mem("", strlen(""), &b64) == 0); | |
283 | assert_se(streq(b64, "")); | |
284 | free(b64); | |
285 | ||
286 | assert_se(base64mem("f", strlen("f"), &b64) == 4); | |
287 | assert_se(streq(b64, "Zg==")); | |
288 | free(b64); | |
289 | ||
290 | assert_se(base64mem("fo", strlen("fo"), &b64) == 4); | |
291 | assert_se(streq(b64, "Zm8=")); | |
292 | free(b64); | |
293 | ||
294 | assert_se(base64mem("foo", strlen("foo"), &b64) == 4); | |
295 | assert_se(streq(b64, "Zm9v")); | |
296 | free(b64); | |
297 | ||
298 | assert_se(base64mem("foob", strlen("foob"), &b64) == 8); | |
299 | assert_se(streq(b64, "Zm9vYg==")); | |
300 | free(b64); | |
301 | ||
302 | assert_se(base64mem("fooba", strlen("fooba"), &b64) == 8); | |
303 | assert_se(streq(b64, "Zm9vYmE=")); | |
304 | free(b64); | |
305 | ||
306 | assert_se(base64mem("foobar", strlen("foobar"), &b64) == 8); | |
307 | assert_se(streq(b64, "Zm9vYmFy")); | |
308 | free(b64); | |
309 | } | |
310 | ||
311 | static void test_unbase64mem(void) { | |
312 | void *mem; | |
313 | size_t len; | |
314 | ||
315 | assert_se(unbase64mem("", strlen(""), &mem, &len) == 0); | |
316 | assert_se(streq(strndupa(mem, len), "")); | |
317 | free(mem); | |
318 | ||
319 | assert_se(unbase64mem("Zg==", strlen("Zg=="), &mem, &len) == 0); | |
320 | assert_se(streq(strndupa(mem, len), "f")); | |
321 | free(mem); | |
322 | ||
323 | assert_se(unbase64mem("Zm8=", strlen("Zm8="), &mem, &len) == 0); | |
324 | assert_se(streq(strndupa(mem, len), "fo")); | |
325 | free(mem); | |
326 | ||
327 | assert_se(unbase64mem("Zm9v", strlen("Zm9v"), &mem, &len) == 0); | |
328 | assert_se(streq(strndupa(mem, len), "foo")); | |
329 | free(mem); | |
330 | ||
331 | assert_se(unbase64mem("Zm9vYg==", strlen("Zm9vYg=="), &mem, &len) == 0); | |
332 | assert_se(streq(strndupa(mem, len), "foob")); | |
333 | free(mem); | |
334 | ||
335 | assert_se(unbase64mem("Zm9vYmE=", strlen("Zm9vYmE="), &mem, &len) == 0); | |
336 | assert_se(streq(strndupa(mem, len), "fooba")); | |
337 | free(mem); | |
338 | ||
339 | assert_se(unbase64mem("Zm9vYmFy", strlen("Zm9vYmFy"), &mem, &len) == 0); | |
340 | assert_se(streq(strndupa(mem, len), "foobar")); | |
341 | free(mem); | |
342 | ||
343 | assert_se(unbase64mem("A", strlen("A"), &mem, &len) == -EINVAL); | |
344 | assert_se(unbase64mem("A====", strlen("A===="), &mem, &len) == -EINVAL); | |
345 | assert_se(unbase64mem("AAB==", strlen("AAB=="), &mem, &len) == -EINVAL); | |
346 | assert_se(unbase64mem("AAAB=", strlen("AAAB="), &mem, &len) == -EINVAL); | |
347 | } | |
348 | ||
349 | static void test_hexdump(void) { | |
350 | uint8_t data[146]; | |
351 | unsigned i; | |
352 | ||
353 | hexdump(stdout, NULL, 0); | |
354 | hexdump(stdout, "", 0); | |
355 | hexdump(stdout, "", 1); | |
356 | hexdump(stdout, "x", 1); | |
357 | hexdump(stdout, "x", 2); | |
358 | hexdump(stdout, "foobar", 7); | |
359 | hexdump(stdout, "f\nobar", 7); | |
360 | hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23); | |
361 | ||
362 | for (i = 0; i < ELEMENTSOF(data); i++) | |
363 | data[i] = i*2; | |
364 | ||
365 | hexdump(stdout, data, sizeof(data)); | |
366 | } | |
367 | ||
368 | int main(int argc, char *argv[]) { | |
369 | test_hexchar(); | |
370 | test_unhexchar(); | |
371 | test_base32hexchar(); | |
372 | test_unbase32hexchar(); | |
373 | test_base64char(); | |
374 | test_unbase64char(); | |
375 | test_octchar(); | |
376 | test_unoctchar(); | |
377 | test_decchar(); | |
378 | test_undecchar(); | |
379 | test_unhexmem(); | |
380 | test_base32hexmem(); | |
381 | test_unbase32hexmem(); | |
382 | test_base64mem(); | |
383 | test_unbase64mem(); | |
384 | test_hexdump(); | |
385 | ||
386 | return 0; | |
387 | } |