| commit | d15fb34c777c10a67f8db2b6960bc094b3284fc5 | [log] [tgz] |
|---|---|---|
| author | Harald Welte <laforge@gnumonks.org> | Fri Jul 26 16:27:57 2002 +0000 |
| committer | Harald Welte <laforge@gnumonks.org> | Fri Jul 26 16:27:57 2002 +0000 |
| tree | bf5556ee7345a463ad7c1a7e45d76339f5b89e59 | |
| parent | efa4133f7698c32c934239f54c44478528100121 [diff] [blame] |
check for invalid port ranges (Thomas Poehnitz)
diff --git a/extensions/libipt_tcp.c b/extensions/libipt_tcp.c index acf6050..1ff8f12 100644 --- a/extensions/libipt_tcp.c +++ b/extensions/libipt_tcp.c
@@ -77,6 +77,10 @@ ports[0] = buffer[0] ? parse_tcp_port(buffer) : 0; ports[1] = cp[0] ? parse_tcp_port(cp) : 0xFFFF; + + if (ports[0] > ports[1]) + exit_error(PARAMETER_PROBLEM, + "invalid portrange (min > max)"); } free(buffer); }