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Fix crash

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This commit is contained in:
Star Brilliant
2017-10-04 00:41:28 +08:00
parent 89bdf90c73
commit 252a335b89
1 changed files with 7 additions and 0 deletions
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7
json-dns/unmarshal.go
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@@ -110,6 +110,13 @@ func Unmarshal(msg *dns.Msg, resp *Response, udpSize uint16, ednsClientNetmask u
}
}
if ednsClientAddress != nil {
if ednsClientNetmask == 255 {
if ednsClientFamily == 1 {
ednsClientNetmask = 24
} else {
ednsClientNetmask = 48
}
}
edns0Subnet := new(dns.EDNS0_SUBNET)
edns0Subnet.Code = dns.EDNS0SUBNET
edns0Subnet.Family = ednsClientFamily