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git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-escape.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 #include "alloc-util.h"
8 static void test_cescape(void) {
9 _cleanup_free_
char *escaped
;
11 assert_se(escaped
= cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313"));
12 assert_se(streq(escaped
, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313"));
15 static void test_cunescape(void) {
16 _cleanup_free_
char *unescaped
;
18 assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", 0, &unescaped
) < 0);
19 assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", UNESCAPE_RELAX
, &unescaped
) >= 0);
20 assert_se(streq_ptr(unescaped
, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00"));
21 unescaped
= mfree(unescaped
);
23 /* incomplete sequences */
24 assert_se(cunescape("\\x0", 0, &unescaped
) < 0);
25 assert_se(cunescape("\\x0", UNESCAPE_RELAX
, &unescaped
) >= 0);
26 assert_se(streq_ptr(unescaped
, "\\x0"));
27 unescaped
= mfree(unescaped
);
29 assert_se(cunescape("\\x", 0, &unescaped
) < 0);
30 assert_se(cunescape("\\x", UNESCAPE_RELAX
, &unescaped
) >= 0);
31 assert_se(streq_ptr(unescaped
, "\\x"));
32 unescaped
= mfree(unescaped
);
34 assert_se(cunescape("\\", 0, &unescaped
) < 0);
35 assert_se(cunescape("\\", UNESCAPE_RELAX
, &unescaped
) >= 0);
36 assert_se(streq_ptr(unescaped
, "\\"));
37 unescaped
= mfree(unescaped
);
39 assert_se(cunescape("\\11", 0, &unescaped
) < 0);
40 assert_se(cunescape("\\11", UNESCAPE_RELAX
, &unescaped
) >= 0);
41 assert_se(streq_ptr(unescaped
, "\\11"));
42 unescaped
= mfree(unescaped
);
44 assert_se(cunescape("\\1", 0, &unescaped
) < 0);
45 assert_se(cunescape("\\1", UNESCAPE_RELAX
, &unescaped
) >= 0);
46 assert_se(streq_ptr(unescaped
, "\\1"));
47 unescaped
= mfree(unescaped
);
49 assert_se(cunescape("\\u0000", 0, &unescaped
) < 0);
50 assert_se(cunescape("\\u00DF\\U000000df\\u03a0\\U00000041", UNESCAPE_RELAX
, &unescaped
) >= 0);
51 assert_se(streq_ptr(unescaped
, "ßßΠA"));
52 unescaped
= mfree(unescaped
);
54 assert_se(cunescape("\\073", 0, &unescaped
) >= 0);
55 assert_se(streq_ptr(unescaped
, ";"));
56 unescaped
= mfree(unescaped
);
58 assert_se(cunescape("A=A\\\\x0aB", 0, &unescaped
) >= 0);
59 assert_se(streq_ptr(unescaped
, "A=A\\x0aB"));
60 unescaped
= mfree(unescaped
);
62 assert_se(cunescape("A=A\\\\x0aB", UNESCAPE_RELAX
, &unescaped
) >= 0);
63 assert_se(streq_ptr(unescaped
, "A=A\\x0aB"));
66 static void test_shell_escape_one(const char *s
, const char *bad
, const char *expected
) {
67 _cleanup_free_
char *r
;
69 assert_se(r
= shell_escape(s
, bad
));
70 assert_se(streq_ptr(r
, expected
));
73 static void test_shell_escape(void) {
74 test_shell_escape_one("", "", "");
75 test_shell_escape_one("\\", "", "\\\\");
76 test_shell_escape_one("foobar", "", "foobar");
77 test_shell_escape_one("foobar", "o", "f\\o\\obar");
78 test_shell_escape_one("foo:bar,baz", ",:", "foo\\:bar\\,baz");
81 static void test_shell_maybe_quote_one(const char *s
,
83 const char *expected
) {
84 _cleanup_free_
char *ret
= NULL
;
86 assert_se(ret
= shell_maybe_quote(s
, style
));
87 log_debug("[%s] → [%s] (%s)", s
, ret
, expected
);
88 assert_se(streq(ret
, expected
));
91 static void test_shell_maybe_quote(void) {
93 test_shell_maybe_quote_one("", ESCAPE_BACKSLASH
, "");
94 test_shell_maybe_quote_one("", ESCAPE_POSIX
, "");
95 test_shell_maybe_quote_one("\\", ESCAPE_BACKSLASH
, "\"\\\\\"");
96 test_shell_maybe_quote_one("\\", ESCAPE_POSIX
, "$'\\\\'");
97 test_shell_maybe_quote_one("\"", ESCAPE_BACKSLASH
, "\"\\\"\"");
98 test_shell_maybe_quote_one("\"", ESCAPE_POSIX
, "$'\"'");
99 test_shell_maybe_quote_one("foobar", ESCAPE_BACKSLASH
, "foobar");
100 test_shell_maybe_quote_one("foobar", ESCAPE_POSIX
, "foobar");
101 test_shell_maybe_quote_one("foo bar", ESCAPE_BACKSLASH
, "\"foo bar\"");
102 test_shell_maybe_quote_one("foo bar", ESCAPE_POSIX
, "$'foo bar'");
103 test_shell_maybe_quote_one("foo\tbar", ESCAPE_BACKSLASH
, "\"foo\tbar\"");
104 test_shell_maybe_quote_one("foo\tbar", ESCAPE_POSIX
, "$'foo\\tbar'");
105 test_shell_maybe_quote_one("foo\nbar", ESCAPE_BACKSLASH
, "\"foo\nbar\"");
106 test_shell_maybe_quote_one("foo\nbar", ESCAPE_POSIX
, "$'foo\\nbar'");
107 test_shell_maybe_quote_one("foo \"bar\" waldo", ESCAPE_BACKSLASH
, "\"foo \\\"bar\\\" waldo\"");
108 test_shell_maybe_quote_one("foo \"bar\" waldo", ESCAPE_POSIX
, "$'foo \"bar\" waldo'");
109 test_shell_maybe_quote_one("foo$bar", ESCAPE_BACKSLASH
, "\"foo\\$bar\"");
110 test_shell_maybe_quote_one("foo$bar", ESCAPE_POSIX
, "$'foo$bar'");
112 /* Note that current users disallow control characters, so this "test"
113 * is here merely to establish current behaviour. If control characters
114 * were allowed, they should be quoted, i.e. \001 should become \\001. */
115 test_shell_maybe_quote_one("a\nb\001", ESCAPE_BACKSLASH
, "\"a\nb\001\"");
116 test_shell_maybe_quote_one("a\nb\001", ESCAPE_POSIX
, "$'a\\nb\001'");
118 test_shell_maybe_quote_one("foo!bar", ESCAPE_BACKSLASH
, "\"foo!bar\"");
119 test_shell_maybe_quote_one("foo!bar", ESCAPE_POSIX
, "$'foo!bar'");
122 int main(int argc
, char *argv
[]) {
123 test_setup_logging(LOG_DEBUG
);
128 test_shell_maybe_quote();