diff options
| author | Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp> | 2005-06-22 12:22:44 +0000 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2005-06-22 12:22:44 +0000 |
| commit | a3a9c0d3e3d9df70c5ea2e64ef792e194dbfbde7 (patch) | |
| tree | 56d69704195250c236013a23e8d21d15defcc2ab /extensions/libipt_DNAT.c | |
| parent | 8d8c8ea5a6150694e7d6fdabd094de15d01bd74b (diff) | |
This patch prevents user to set negative port value of SNAT/DNAT.
(Yasuyuki Kozakai)
Diffstat (limited to 'extensions/libipt_DNAT.c')
| -rw-r--r-- | extensions/libipt_DNAT.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/extensions/libipt_DNAT.c b/extensions/libipt_DNAT.c index 94d04e8e..9e4f5253 100644 --- a/extensions/libipt_DNAT.c +++ b/extensions/libipt_DNAT.c @@ -73,7 +73,7 @@ parse_to(char *arg, int portok, struct ipt_natinfo *info) range.flags |= IP_NAT_RANGE_PROTO_SPECIFIED; port = atoi(colon+1); - if (port == 0 || port > 65535) + if (port <= 0 || port > 65535) exit_error(PARAMETER_PROBLEM, "Port `%s' not valid\n", colon+1); @@ -91,7 +91,7 @@ parse_to(char *arg, int portok, struct ipt_natinfo *info) int maxport; maxport = atoi(dash + 1); - if (maxport == 0 || maxport > 65535) + if (maxport <= 0 || maxport > 65535) exit_error(PARAMETER_PROBLEM, "Port `%s' not valid\n", dash+1); if (maxport < port) |