diff options
| author | adam <adam@FreeBSD.org> | 1997-01-16 21:04:29 +0000 |
|---|---|---|
| committer | adam <adam@FreeBSD.org> | 1997-01-16 21:04:29 +0000 |
| commit | 752ba4d26f2e94cc31940f50407a6b18b86ee0e8 (patch) | |
| tree | 4a96909d7420e2da778a9c97b865c7b2d9a54dba /sys/netinet/ip_fw.c | |
| parent | 104d3c9ef67e45cdbb45100d6f7416ad9f6c75ba (diff) | |
| download | FreeBSD-src-752ba4d26f2e94cc31940f50407a6b18b86ee0e8.zip FreeBSD-src-752ba4d26f2e94cc31940f50407a6b18b86ee0e8.tar.gz | |
implement "not" keyword for inverting the address logic
Diffstat (limited to 'sys/netinet/ip_fw.c')
| -rw-r--r-- | sys/netinet/ip_fw.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet/ip_fw.c b/sys/netinet/ip_fw.c index b62f6d7..f006bc6 100644 --- a/sys/netinet/ip_fw.c +++ b/sys/netinet/ip_fw.c @@ -320,11 +320,13 @@ ip_fw_chk(struct ip **pip, int hlen, continue; /* If src-addr doesn't match, not this rule. */ - if ((src.s_addr & f->fw_smsk.s_addr) != f->fw_src.s_addr) + if ((f->fw_flg & IP_FW_F_INVSRC) != 0 + ^ (src.s_addr & f->fw_smsk.s_addr) != f->fw_src.s_addr) continue; /* If dest-addr doesn't match, not this rule. */ - if ((dst.s_addr & f->fw_dmsk.s_addr) != f->fw_dst.s_addr) + if ((f->fw_flg & IP_FW_F_INVDST) != 0 + ^ (dst.s_addr & f->fw_dmsk.s_addr) != f->fw_dst.s_addr) continue; /* If a i/f name was specified, and we don't know */ |
