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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <fcntl.h> | |
24 | #include <unistd.h> | |
25 | ||
26 | #include "util.h" | |
27 | #include "fileio.h" | |
28 | #include "strv.h" | |
29 | #include "env-util.h" | |
30 | #include "def.h" | |
31 | #include "ctype.h" | |
32 | ||
33 | static void test_parse_env_file(void) { | |
34 | char t[] = "/tmp/test-fileio-in-XXXXXX", | |
35 | p[] = "/tmp/test-fileio-out-XXXXXX"; | |
36 | int fd, r; | |
37 | FILE *f; | |
38 | _cleanup_free_ char *one = NULL, *two = NULL, *three = NULL, *four = NULL, *five = NULL, | |
39 | *six = NULL, *seven = NULL, *eight = NULL, *nine = NULL, *ten = NULL; | |
40 | _cleanup_strv_free_ char **a = NULL, **b = NULL; | |
41 | char **i; | |
42 | unsigned k; | |
43 | ||
44 | fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC); | |
45 | assert_se(fd >= 0); | |
46 | close(fd); | |
47 | ||
48 | fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC); | |
49 | assert_se(fd >= 0); | |
50 | ||
51 | f = fdopen(fd, "w"); | |
52 | assert_se(f); | |
53 | ||
54 | fputs("one=BAR \n" | |
55 | "# comment\n" | |
56 | " # comment \n" | |
57 | " ; comment \n" | |
58 | " two = bar \n" | |
59 | "invalid line\n" | |
60 | "invalid line #comment\n" | |
61 | "three = \"333\n" | |
62 | "xxxx\"\n" | |
63 | "four = \'44\\\"44\'\n" | |
64 | "five = \'55\\\'55\' \"FIVE\" cinco \n" | |
65 | "six = seis sechs\\\n" | |
66 | " sis\n" | |
67 | "seven=\"sevenval\" #nocomment\n" | |
68 | "eight=eightval #nocomment\n" | |
69 | "export nine=nineval\n" | |
70 | "ten=", f); | |
71 | ||
72 | fflush(f); | |
73 | fclose(f); | |
74 | ||
75 | r = load_env_file(NULL, t, NULL, &a); | |
76 | assert_se(r >= 0); | |
77 | ||
78 | STRV_FOREACH(i, a) | |
79 | log_info("Got: <%s>", *i); | |
80 | ||
81 | assert_se(streq_ptr(a[0], "one=BAR")); | |
82 | assert_se(streq_ptr(a[1], "two=bar")); | |
83 | assert_se(streq_ptr(a[2], "three=333\nxxxx")); | |
84 | assert_se(streq_ptr(a[3], "four=44\"44")); | |
85 | assert_se(streq_ptr(a[4], "five=55\'55FIVEcinco")); | |
86 | assert_se(streq_ptr(a[5], "six=seis sechs sis")); | |
87 | assert_se(streq_ptr(a[6], "seven=sevenval#nocomment")); | |
88 | assert_se(streq_ptr(a[7], "eight=eightval #nocomment")); | |
89 | assert_se(streq_ptr(a[8], "export nine=nineval")); | |
90 | assert_se(streq_ptr(a[9], "ten=")); | |
91 | assert_se(a[10] == NULL); | |
92 | ||
93 | strv_env_clean_log(a, NULL, "test"); | |
94 | ||
95 | k = 0; | |
96 | STRV_FOREACH(i, b) { | |
97 | log_info("Got2: <%s>", *i); | |
98 | assert_se(streq(*i, a[k++])); | |
99 | } | |
100 | ||
101 | r = parse_env_file( | |
102 | t, NULL, | |
103 | "one", &one, | |
104 | "two", &two, | |
105 | "three", &three, | |
106 | "four", &four, | |
107 | "five", &five, | |
108 | "six", &six, | |
109 | "seven", &seven, | |
110 | "eight", &eight, | |
111 | "export nine", &nine, | |
112 | "ten", &ten, | |
113 | NULL); | |
114 | ||
115 | assert_se(r >= 0); | |
116 | ||
117 | log_info("one=[%s]", strna(one)); | |
118 | log_info("two=[%s]", strna(two)); | |
119 | log_info("three=[%s]", strna(three)); | |
120 | log_info("four=[%s]", strna(four)); | |
121 | log_info("five=[%s]", strna(five)); | |
122 | log_info("six=[%s]", strna(six)); | |
123 | log_info("seven=[%s]", strna(seven)); | |
124 | log_info("eight=[%s]", strna(eight)); | |
125 | log_info("export nine=[%s]", strna(nine)); | |
126 | log_info("ten=[%s]", strna(nine)); | |
127 | ||
128 | assert_se(streq(one, "BAR")); | |
129 | assert_se(streq(two, "bar")); | |
130 | assert_se(streq(three, "333\nxxxx")); | |
131 | assert_se(streq(four, "44\"44")); | |
132 | assert_se(streq(five, "55\'55FIVEcinco")); | |
133 | assert_se(streq(six, "seis sechs sis")); | |
134 | assert_se(streq(seven, "sevenval#nocomment")); | |
135 | assert_se(streq(eight, "eightval #nocomment")); | |
136 | assert_se(streq(nine, "nineval")); | |
137 | assert_se(ten == NULL); | |
138 | ||
139 | r = write_env_file(p, a); | |
140 | assert_se(r >= 0); | |
141 | ||
142 | r = load_env_file(NULL, p, NULL, &b); | |
143 | assert_se(r >= 0); | |
144 | ||
145 | unlink(t); | |
146 | unlink(p); | |
147 | } | |
148 | ||
149 | static void test_parse_multiline_env_file(void) { | |
150 | char t[] = "/tmp/test-fileio-in-XXXXXX", | |
151 | p[] = "/tmp/test-fileio-out-XXXXXX"; | |
152 | int fd, r; | |
153 | FILE *f; | |
154 | _cleanup_strv_free_ char **a = NULL, **b = NULL; | |
155 | char **i; | |
156 | ||
157 | fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC); | |
158 | assert_se(fd >= 0); | |
159 | close(fd); | |
160 | ||
161 | fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC); | |
162 | assert_se(fd >= 0); | |
163 | ||
164 | f = fdopen(fd, "w"); | |
165 | assert_se(f); | |
166 | ||
167 | fputs("one=BAR\\\n" | |
168 | " VAR\\\n" | |
169 | "\tGAR\n" | |
170 | "#comment\n" | |
171 | "two=\"bar\\\n" | |
172 | " var\\\n" | |
173 | "\tgar\"\n" | |
174 | "#comment\n" | |
175 | "tri=\"bar \\\n" | |
176 | " var \\\n" | |
177 | "\tgar \"\n", f); | |
178 | ||
179 | fflush(f); | |
180 | fclose(f); | |
181 | ||
182 | r = load_env_file(NULL, t, NULL, &a); | |
183 | assert_se(r >= 0); | |
184 | ||
185 | STRV_FOREACH(i, a) | |
186 | log_info("Got: <%s>", *i); | |
187 | ||
188 | assert_se(streq_ptr(a[0], "one=BAR VAR\tGAR")); | |
189 | assert_se(streq_ptr(a[1], "two=bar var\tgar")); | |
190 | assert_se(streq_ptr(a[2], "tri=bar var \tgar ")); | |
191 | assert_se(a[3] == NULL); | |
192 | ||
193 | r = write_env_file(p, a); | |
194 | assert_se(r >= 0); | |
195 | ||
196 | r = load_env_file(NULL, p, NULL, &b); | |
197 | assert_se(r >= 0); | |
198 | ||
199 | unlink(t); | |
200 | unlink(p); | |
201 | } | |
202 | ||
203 | ||
204 | static void test_executable_is_script(void) { | |
205 | char t[] = "/tmp/test-executable-XXXXXX"; | |
206 | int fd, r; | |
207 | FILE *f; | |
208 | char *command; | |
209 | ||
210 | fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC); | |
211 | assert_se(fd >= 0); | |
212 | ||
213 | f = fdopen(fd, "w"); | |
214 | assert_se(f); | |
215 | ||
216 | fputs("#! /bin/script -a -b \ngoo goo", f); | |
217 | fflush(f); | |
218 | ||
219 | r = executable_is_script(t, &command); | |
220 | assert_se(r > 0); | |
221 | assert_se(streq(command, "/bin/script")); | |
222 | free(command); | |
223 | ||
224 | r = executable_is_script("/bin/sh", &command); | |
225 | assert_se(r == 0); | |
226 | ||
227 | r = executable_is_script("/usr/bin/yum", &command); | |
228 | assert_se(r > 0 || r == -ENOENT); | |
229 | if (r > 0) { | |
230 | assert_se(startswith(command, "/")); | |
231 | free(command); | |
232 | } | |
233 | ||
234 | fclose(f); | |
235 | unlink(t); | |
236 | } | |
237 | ||
238 | static void test_status_field(void) { | |
239 | _cleanup_free_ char *t = NULL, *p = NULL, *s = NULL, *z = NULL; | |
240 | unsigned long long total = 0, buffers = 0; | |
241 | int r; | |
242 | ||
243 | assert_se(get_status_field("/proc/self/status", "\nThreads:", &t) == 0); | |
244 | puts(t); | |
245 | assert_se(streq(t, "1")); | |
246 | ||
247 | r = get_status_field("/proc/meminfo", "MemTotal:", &p); | |
248 | if (r != -ENOENT) { | |
249 | assert_se(r == 0); | |
250 | puts(p); | |
251 | assert_se(safe_atollu(p, &total) == 0); | |
252 | } | |
253 | ||
254 | r = get_status_field("/proc/meminfo", "\nBuffers:", &s); | |
255 | if (r != -ENOENT) { | |
256 | assert_se(r == 0); | |
257 | puts(s); | |
258 | assert_se(safe_atollu(s, &buffers) == 0); | |
259 | } | |
260 | ||
261 | if (p) | |
262 | assert_se(buffers < total); | |
263 | ||
264 | /* Seccomp should be a good test for field full of zeros. */ | |
265 | r = get_status_field("/proc/meminfo", "\nSeccomp:", &z); | |
266 | if (r != -ENOENT) { | |
267 | assert_se(r == 0); | |
268 | puts(z); | |
269 | assert_se(safe_atollu(z, &buffers) == 0); | |
270 | } | |
271 | } | |
272 | ||
273 | static void test_capeff(void) { | |
274 | int pid, p; | |
275 | ||
276 | for (pid = 0; pid < 2; pid++) { | |
277 | _cleanup_free_ char *capeff = NULL; | |
278 | int r; | |
279 | ||
280 | r = get_process_capeff(0, &capeff); | |
281 | log_info("capeff: '%s' (r=%d)", capeff, r); | |
282 | ||
283 | if (r == -ENOENT || r == -EPERM) | |
284 | return; | |
285 | ||
286 | assert_se(r == 0); | |
287 | assert_se(*capeff); | |
288 | p = capeff[strspn(capeff, DIGITS "abcdefABCDEF")]; | |
289 | assert_se(!p || isspace(p)); | |
290 | } | |
291 | } | |
292 | ||
293 | static void test_write_string_stream(void) { | |
294 | char fn[] = "/tmp/test-write_string_stream-XXXXXX"; | |
295 | _cleanup_fclose_ FILE *f = NULL; | |
296 | int fd; | |
297 | char buf[64]; | |
298 | ||
299 | fd = mkostemp_safe(fn, O_RDWR); | |
300 | assert_se(fd >= 0); | |
301 | ||
302 | f = fdopen(fd, "r"); | |
303 | assert_se(f); | |
304 | assert_se(write_string_stream(f, "boohoo") < 0); | |
305 | ||
306 | f = freopen(fn, "r+", f); | |
307 | assert_se(f); | |
308 | ||
309 | assert_se(write_string_stream(f, "boohoo") == 0); | |
310 | rewind(f); | |
311 | ||
312 | assert_se(fgets(buf, sizeof(buf), f)); | |
313 | assert_se(streq(buf, "boohoo\n")); | |
314 | ||
315 | unlink(fn); | |
316 | } | |
317 | ||
318 | static void test_write_string_file(void) { | |
319 | char fn[] = "/tmp/test-write_string_file-XXXXXX"; | |
320 | char buf[64] = {}; | |
321 | _cleanup_close_ int fd; | |
322 | ||
323 | fd = mkostemp_safe(fn, O_RDWR); | |
324 | assert_se(fd >= 0); | |
325 | ||
326 | assert_se(write_string_file(fn, "boohoo") == 0); | |
327 | ||
328 | assert_se(read(fd, buf, sizeof(buf)) == 7); | |
329 | assert_se(streq(buf, "boohoo\n")); | |
330 | ||
331 | unlink(fn); | |
332 | } | |
333 | ||
334 | static void test_sendfile_full(void) { | |
335 | char in_fn[] = "/tmp/test-sendfile_full-XXXXXX"; | |
336 | char out_fn[] = "/tmp/test-sendfile_full-XXXXXX"; | |
337 | _cleanup_close_ int in_fd, out_fd; | |
338 | char text[] = "boohoo\nfoo\n\tbar\n"; | |
339 | char buf[64] = {0}; | |
340 | ||
341 | in_fd = mkostemp_safe(in_fn, O_RDWR); | |
342 | assert_se(in_fd >= 0); | |
343 | out_fd = mkostemp_safe(out_fn, O_RDWR); | |
344 | assert_se(out_fd >= 0); | |
345 | ||
346 | assert_se(write_string_file(in_fn, text) == 0); | |
347 | assert_se(sendfile_full(out_fd, "/a/file/which/does/not/exist/i/guess") < 0); | |
348 | assert_se(sendfile_full(out_fd, in_fn) == sizeof(text) - 1); | |
349 | assert_se(lseek(out_fd, SEEK_SET, 0) == 0); | |
350 | ||
351 | assert_se(read(out_fd, buf, sizeof(buf)) == sizeof(text) - 1); | |
352 | assert_se(streq(buf, text)); | |
353 | ||
354 | unlink(in_fn); | |
355 | unlink(out_fn); | |
356 | } | |
357 | ||
358 | int main(int argc, char *argv[]) { | |
359 | log_parse_environment(); | |
360 | log_open(); | |
361 | ||
362 | test_parse_env_file(); | |
363 | test_parse_multiline_env_file(); | |
364 | test_executable_is_script(); | |
365 | test_status_field(); | |
366 | test_capeff(); | |
367 | test_write_string_stream(); | |
368 | test_write_string_file(); | |
369 | test_sendfile_full(); | |
370 | ||
371 | return 0; | |
372 | } |