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fix: port number verification

This commit is contained in:
Richard Ramos 2021-11-19 20:07:52 -04:00
parent e8c08ac18b
commit 79bb101787
1 changed files with 8 additions and 1 deletions
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9
waku/v2/utils/peer.go
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@ -5,6 +5,7 @@ import (
"crypto/ecdsa"
"errors"
"fmt"
"math"
"math/rand"
"net"
"strconv"
@ -161,7 +162,13 @@ func GetENRandIP(addr ma.Multiaddr, privK *ecdsa.PrivateKey) (*enode.Node, *net.
}
r := &enr.Record{}
r.Set(enr.TCP(port))
if port > 0 && port <= math.MaxUint16 {
r.Set(enr.TCP(uint16(port))) // lgtm [go/incorrect-integer-conversion]
} else {
return nil, nil, fmt.Errorf("could not set port %d", port)
}
r.Set(enr.IP(net.ParseIP(ip)))
err = enode.SignV4(r, privK)