blob: 132cec76ded92562a277a6c273f75ae66780fbc6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
$NetBSD: patch-ah,v 1.3 2002/07/17 22:34:46 itojun Exp $
diff -u -r1.3 src/dns/dns_lookup.c
--- src/dns/dns_lookup.c 2001/11/11 05:26:51 1.3
+++ src/dns/dns_lookup.c 2002/07/17 21:20:30
@@ -132,6 +132,7 @@
} DNS_REPLY;
#define INET_ADDR_LEN 4 /* XXX */
+#define INET6_ADDR_LEN 16 /* XXX */
/* dns_query - query name server and pre-parse the reply */
@@ -328,6 +329,17 @@
break;
case T_A:
if (fixed->length != INET_ADDR_LEN) {
+ msg_warn("extract_answer: bad address length: %d", fixed->length);
+ return (0);
+ }
+ if (fixed->length > sizeof(temp))
+ msg_panic("dns_get_rr: length %d > DNS_NAME_LEN",
+ fixed->length);
+ memcpy(temp, pos, fixed->length);
+ data_len = fixed->length;
+ break;
+ case T_AAAA:
+ if (fixed->length != INET6_ADDR_LEN) {
msg_warn("extract_answer: bad address length: %d", fixed->length);
return (0);
}
|
