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util: when unescaping strings, don't allow smuggling in of additional NUL bytes

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Better safe than sorry.
This commit is contained in:
Lennart Poettering
2014-07-02 13:45:49 +02:00
parent fecc80c1ba
commit e0a33e7ba6
2 changed files with 11 additions and 9 deletions
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src/test/test-util.c
+5 -3
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@@ -297,14 +297,16 @@ static void test_undecchar(void) {
static void test_cescape(void) {
_cleanup_free_ char *escaped;
escaped = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313");
assert_se(escaped = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313"));
assert_se(streq(escaped, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313"));
}
static void test_cunescape(void) {
_cleanup_free_ char *unescaped;
unescaped = cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313");
assert_se(streq(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313"));
assert_se(unescaped = cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00"));
assert_se(streq(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00"));
}
static void test_foreach_word(void) {