diff options
| author | laforge <laforge> | 2002-07-26 16:27:57 +0000 |
|---|---|---|
| committer | laforge <laforge> | 2002-07-26 16:27:57 +0000 |
| commit | 7f859d49b753b0b09696b213c3fe22f67103b315 (patch) | |
| tree | bf5556ee7345a463ad7c1a7e45d76339f5b89e59 /extensions/libipt_udp.c | |
| parent | 05878d39aac44d887b100fa19ac4ae54474d5ca1 (diff) | |
check for invalid port ranges (Thomas Poehnitz)
Diffstat (limited to 'extensions/libipt_udp.c')
| -rw-r--r-- | extensions/libipt_udp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/extensions/libipt_udp.c b/extensions/libipt_udp.c index 622fb43..ccea210 100644 --- a/extensions/libipt_udp.c +++ b/extensions/libipt_udp.c @@ -69,6 +69,10 @@ parse_udp_ports(const char *portstring, u_int16_t *ports) ports[0] = buffer[0] ? parse_udp_port(buffer) : 0; ports[1] = cp[0] ? parse_udp_port(cp) : 0xFFFF; + + if (ports[0] > ports[1]) + exit_error(PARAMETER_PROBLEM, + "invalid portrange (min > max)"); } free(buffer); } |