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Fixes buggy prefix ~ prefix matching.

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This commit is contained in:
Ondrej Zajicek 2009-05-30 00:35:35 +02:00
parent 874b868544
commit 23e563d86b
1 changed files with 3 additions and 17 deletions
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20
filter/filter.c
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@ -178,25 +178,11 @@ val_simple_in_range(struct f_val v1, struct f_val v2)
return patmatch(v2.val.s, v1.val.s); return patmatch(v2.val.s, v1.val.s);
if ((v1.type == T_IP) && (v2.type == T_PREFIX)) if ((v1.type == T_IP) && (v2.type == T_PREFIX))
return !(ipa_compare(ipa_and(v2.val.px.ip, ipa_mkmask(v2.val.px.len)), ipa_and(v1.val.px.ip, ipa_mkmask(v2.val.px.len)))); return ipa_in_net(v1.val.px.ip, v2.val.px.ip, v2.val.px.len);
if ((v1.type == T_PREFIX) && (v2.type == T_PREFIX)) { if ((v1.type == T_PREFIX) && (v2.type == T_PREFIX))
return ipa_in_net(v1.val.px.ip, v2.val.px.ip, v2.val.px.len) && (v1.val.px.len >= v2.val.px.len);
if (v1.val.px.len & (LEN_PLUS | LEN_MINUS | LEN_RANGE))
return CMP_ERROR;
int p1 = v1.val.px.len & LEN_MASK;
int p2 = v2.val.px.len & LEN_MASK;
ip_addr mask = ipa_mkmask(MIN(p1, p2));
if (ipa_compare(ipa_and(v2.val.px.ip, mask), ipa_and(v1.val.px.ip, mask)))
return 0;
int l, h;
f_prefix_get_bounds(&v2.val.px, &l, &h);
return ((l <= v1.val.px.len) && (v1.val.px.len <= h));
}
return CMP_ERROR; return CMP_ERROR;
} }