bool hostname_is_valid(const char *s) {
const char *p;
+ bool dot;
if (isempty(s))
return false;
- for (p = s; *p; p++)
- if (!hostname_valid_char(*p))
- return false;
+ for (p = s, dot = true; *p; p++) {
+ if (*p == '.') {
+ if (dot)
+ return false;
+
+ dot = true;
+ } else {
+ if (!hostname_valid_char(*p))
+ return false;
+
+ dot = false;
+ }
+ }
+
+ if (dot)
+ return false;
if (p-s > HOST_NAME_MAX)
return false;
test_bus_path_escape_one(":1", "_3a1");
}
+static void test_hostname_is_valid(void) {
+ assert(hostname_is_valid("foobar"));
+ assert(hostname_is_valid("foobar.com"));
+ assert(!hostname_is_valid("fööbar"));
+ assert(!hostname_is_valid(""));
+ assert(!hostname_is_valid("."));
+ assert(!hostname_is_valid(".."));
+ assert(!hostname_is_valid("foobar."));
+ assert(!hostname_is_valid(".foobar"));
+ assert(!hostname_is_valid("foo..bar"));
+ assert(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
+}
+
int main(int argc, char *argv[]) {
test_streq_ptr();
test_first_word();
test_default_term_for_tty();
test_memdup_multiply();
test_bus_path_escape();
+ test_hostname_is_valid();
return 0;
}