dandri/dns-over-https
1
0
Fork 0
mirror of https://github.com/m13253/dns-over-https.git synced 2026-03-31 01:05:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix segfault

Browse Source
This commit is contained in:
Star Brilliant
2017-10-04 00:35:22 +08:00
parent 1f8b1ea7ad
commit 89bdf90c73
1 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
doh-client/client.go
View File

@@ -183,13 +183,14 @@ var (
func (c *Client) findClientIP(w dns.ResponseWriter, r *dns.Msg) (ednsClientAddress net.IP, ednsClientNetmask uint8) {
ednsClientNetmask = 255
opt := r.IsEdns0()
for _, option := range opt.Option {
if option.Option() == dns.EDNS0SUBNET {
edns0Subnet := option.(*dns.EDNS0_SUBNET)
ednsClientAddress = edns0Subnet.Address
ednsClientNetmask = edns0Subnet.SourceNetmask
return
if opt := r.IsEdns0(); opt != nil {
for _, option := range opt.Option {
if option.Option() == dns.EDNS0SUBNET {
edns0Subnet := option.(*dns.EDNS0_SUBNET)
ednsClientAddress = edns0Subnet.Address
ednsClientNetmask = edns0Subnet.SourceNetmask
return
}
}
}
remoteAddr, err := net.ResolveUDPAddr("udp", w.RemoteAddr().String())