diff options
Diffstat (limited to 'sbin/ipfw/ipfw.c')
| -rw-r--r-- | sbin/ipfw/ipfw.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sbin/ipfw/ipfw.c b/sbin/ipfw/ipfw.c index f1bb15a..fd1ab5d 100644 --- a/sbin/ipfw/ipfw.c +++ b/sbin/ipfw/ipfw.c @@ -162,7 +162,7 @@ show_ipfw(chain) else printf("%u", chain->fw_prot); - printf(" from "); + printf(" from %s", chain->fw_flg & IP_FW_F_INVSRC ? "not " : ""); adrt=ntohl(chain->fw_smsk.s_addr); if (adrt==ULONG_MAX && do_resolv) { @@ -202,7 +202,7 @@ show_ipfw(chain) } } - printf(" to "); + printf(" to %s", chain->fw_flg & IP_FW_F_INVDST ? "not " : ""); adrt=ntohl(chain->fw_dmsk.s_addr); if (adrt==ULONG_MAX && do_resolv) { @@ -685,6 +685,12 @@ add(ac,av) if (ac && !strncmp(*av,"from",strlen(*av))) { av++; ac--; } else show_usage("missing ``from''\n"); + if (ac && !strncmp(*av,"not",strlen(*av))) { + rule.fw_flag |= IP_FW_F_INVSRC; + av++; ac--; + } + if (!ac) show_usage("Missing arguments\n"); + fill_ip(&rule.fw_src, &rule.fw_smsk, &ac, &av); if (ac && isdigit(**av)) { @@ -697,6 +703,10 @@ add(ac,av) if (ac && !strncmp(*av,"to",strlen(*av))) { av++; ac--; } else show_usage("missing ``to''\n"); + if (ac && !strncmp(*av,"not",strlen(*av))) { + rule.fw_flag |= IP_FW_F_INVDST; + av++; ac--; + } if (!ac) show_usage("Missing arguments\n"); fill_ip(&rule.fw_dst, &rule.fw_dmsk, &ac, &av); |
