2 This file is part of systemd.
4 Copyright 2010 Lennart Poettering
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.
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.
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/>.
20 #include "alloc-util.h"
24 static void test_cescape(void) {
25 _cleanup_free_ char *escaped;
27 assert_se(escaped = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313"));
28 assert_se(streq(escaped, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313"));
31 static void test_cunescape(void) {
32 _cleanup_free_ char *unescaped;
34 assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", 0, &unescaped) < 0);
35 assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", UNESCAPE_RELAX, &unescaped) >= 0);
36 assert_se(streq_ptr(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00"));
37 unescaped = mfree(unescaped);
39 /* incomplete sequences */
40 assert_se(cunescape("\\x0", 0, &unescaped) < 0);
41 assert_se(cunescape("\\x0", UNESCAPE_RELAX, &unescaped) >= 0);
42 assert_se(streq_ptr(unescaped, "\\x0"));
43 unescaped = mfree(unescaped);
45 assert_se(cunescape("\\x", 0, &unescaped) < 0);
46 assert_se(cunescape("\\x", UNESCAPE_RELAX, &unescaped) >= 0);
47 assert_se(streq_ptr(unescaped, "\\x"));
48 unescaped = mfree(unescaped);
50 assert_se(cunescape("\\", 0, &unescaped) < 0);
51 assert_se(cunescape("\\", UNESCAPE_RELAX, &unescaped) >= 0);
52 assert_se(streq_ptr(unescaped, "\\"));
53 unescaped = mfree(unescaped);
55 assert_se(cunescape("\\11", 0, &unescaped) < 0);
56 assert_se(cunescape("\\11", UNESCAPE_RELAX, &unescaped) >= 0);
57 assert_se(streq_ptr(unescaped, "\\11"));
58 unescaped = mfree(unescaped);
60 assert_se(cunescape("\\1", 0, &unescaped) < 0);
61 assert_se(cunescape("\\1", UNESCAPE_RELAX, &unescaped) >= 0);
62 assert_se(streq_ptr(unescaped, "\\1"));
63 unescaped = mfree(unescaped);
65 assert_se(cunescape("\\u0000", 0, &unescaped) < 0);
66 assert_se(cunescape("\\u00DF\\U000000df\\u03a0\\U00000041", UNESCAPE_RELAX, &unescaped) >= 0);
67 assert_se(streq_ptr(unescaped, "ßßΠA"));
68 unescaped = mfree(unescaped);
70 assert_se(cunescape("\\073", 0, &unescaped) >= 0);
71 assert_se(streq_ptr(unescaped, ";"));
72 unescaped = mfree(unescaped);
74 assert_se(cunescape("A=A\\\\x0aB", 0, &unescaped) >= 0);
75 assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
76 unescaped = mfree(unescaped);
78 assert_se(cunescape("A=A\\\\x0aB", UNESCAPE_RELAX, &unescaped) >= 0);
79 assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
82 #if 0 /// UNNEEDED by elogind
83 static void test_shell_escape_one(const char *s, const char *bad, const char *expected) {
84 _cleanup_free_ char *r;
86 assert_se(r = shell_escape(s, bad));
87 assert_se(streq_ptr(r, expected));
90 static void test_shell_escape(void) {
91 test_shell_escape_one("", "", "");
92 test_shell_escape_one("\\", "", "\\\\");
93 test_shell_escape_one("foobar", "", "foobar");
94 test_shell_escape_one("foobar", "o", "f\\o\\obar");
95 test_shell_escape_one("foo:bar,baz", ",:", "foo\\:bar\\,baz");
98 static void test_shell_maybe_quote_one(const char *s,
100 const char *expected) {
101 _cleanup_free_ char *ret = NULL;
103 assert_se(ret = shell_maybe_quote(s, style));
104 log_debug("[%s] → [%s] (%s)", s, ret, expected);
105 assert_se(streq(ret, expected));
108 static void test_shell_maybe_quote(void) {
110 test_shell_maybe_quote_one("", ESCAPE_BACKSLASH, "");
111 test_shell_maybe_quote_one("", ESCAPE_POSIX, "");
112 test_shell_maybe_quote_one("\\", ESCAPE_BACKSLASH, "\"\\\\\"");
113 test_shell_maybe_quote_one("\\", ESCAPE_POSIX, "$'\\\\'");
114 test_shell_maybe_quote_one("\"", ESCAPE_BACKSLASH, "\"\\\"\"");
115 test_shell_maybe_quote_one("\"", ESCAPE_POSIX, "$'\"'");
116 test_shell_maybe_quote_one("foobar", ESCAPE_BACKSLASH, "foobar");
117 test_shell_maybe_quote_one("foobar", ESCAPE_POSIX, "foobar");
118 test_shell_maybe_quote_one("foo bar", ESCAPE_BACKSLASH, "\"foo bar\"");
119 test_shell_maybe_quote_one("foo bar", ESCAPE_POSIX, "$'foo bar'");
120 test_shell_maybe_quote_one("foo\tbar", ESCAPE_BACKSLASH, "\"foo\tbar\"");
121 test_shell_maybe_quote_one("foo\tbar", ESCAPE_POSIX, "$'foo\\tbar'");
122 test_shell_maybe_quote_one("foo\nbar", ESCAPE_BACKSLASH, "\"foo\nbar\"");
123 test_shell_maybe_quote_one("foo\nbar", ESCAPE_POSIX, "$'foo\\nbar'");
124 test_shell_maybe_quote_one("foo \"bar\" waldo", ESCAPE_BACKSLASH, "\"foo \\\"bar\\\" waldo\"");
125 test_shell_maybe_quote_one("foo \"bar\" waldo", ESCAPE_POSIX, "$'foo \"bar\" waldo'");
126 test_shell_maybe_quote_one("foo$bar", ESCAPE_BACKSLASH, "\"foo\\$bar\"");
127 test_shell_maybe_quote_one("foo$bar", ESCAPE_POSIX, "$'foo$bar'");
129 /* Note that current users disallow control characters, so this "test"
130 * is here merely to establish current behaviour. If control characters
131 * were allowed, they should be quoted, i.e. \001 should become \\001. */
132 test_shell_maybe_quote_one("a\nb\001", ESCAPE_BACKSLASH, "\"a\nb\001\"");
133 test_shell_maybe_quote_one("a\nb\001", ESCAPE_POSIX, "$'a\\nb\001'");
135 test_shell_maybe_quote_one("foo!bar", ESCAPE_BACKSLASH, "\"foo!bar\"");
136 test_shell_maybe_quote_one("foo!bar", ESCAPE_POSIX, "$'foo!bar'");
140 int main(int argc, char *argv[]) {
141 log_set_max_level(LOG_DEBUG);
142 log_parse_environment();
147 #if 0 /// UNNEEDED by elogind
149 test_shell_maybe_quote();