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authorjhay <jhay@FreeBSD.org>2006-09-16 10:27:05 +0000
committerjhay <jhay@FreeBSD.org>2006-09-16 10:27:05 +0000
commit7748ccf222463de662408b60a0d898405fe6d9f4 (patch)
tree8f0556cc6c7e7bcfb92a9baae2711f746fe98899 /sys
parent4f982725d1de88af7f42c6b83899fe7e339cfb36 (diff)
downloadFreeBSD-src-7748ccf222463de662408b60a0d898405fe6d9f4.zip
FreeBSD-src-7748ccf222463de662408b60a0d898405fe6d9f4.tar.gz
Handle a list of IPv6 src and dst addresses correctly, eg.
ipfw add allow ip6 from any to 2000::/16,2002::/16 PR: 102422 (part 3) Submitted by: Andrey V. Elsukov <bu7cher at yandex dot ru> MFC after: 5 days
Diffstat (limited to 'sys')
-rw-r--r--sys/netinet/ip_fw2.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/sys/netinet/ip_fw2.c b/sys/netinet/ip_fw2.c
index 4476d35..d08d8de 100644
--- a/sys/netinet/ip_fw2.c
+++ b/sys/netinet/ip_fw2.c
@@ -2890,22 +2890,25 @@ check_body:
&((ipfw_insn_ip6 *)cmd)->addr6);
break;
case O_IP6_SRC_MASK:
- if (is_ipv6) {
- ipfw_insn_ip6 *te = (ipfw_insn_ip6 *)cmd;
- struct in6_addr p = args->f_id.src_ip6;
-
- APPLY_MASK(&p, &te->mask6);
- match = IN6_ARE_ADDR_EQUAL(&te->addr6, &p);
- }
- break;
-
case O_IP6_DST_MASK:
if (is_ipv6) {
- ipfw_insn_ip6 *te = (ipfw_insn_ip6 *)cmd;
- struct in6_addr p = args->f_id.dst_ip6;
-
- APPLY_MASK(&p, &te->mask6);
- match = IN6_ARE_ADDR_EQUAL(&te->addr6, &p);
+ int i = cmdlen - 1;
+ struct in6_addr p;
+ struct in6_addr *d =
+ &((ipfw_insn_ip6 *)cmd)->addr6;
+
+ for (; !match && i > 0; d += 2,
+ i -= F_INSN_SIZE(struct in6_addr)
+ * 2) {
+ p = (cmd->opcode ==
+ O_IP6_SRC_MASK) ?
+ args->f_id.src_ip6:
+ args->f_id.dst_ip6;
+ APPLY_MASK(&p, &d[1]);
+ match =
+ IN6_ARE_ADDR_EQUAL(&d[0],
+ &p);
+ }
}
break;
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