mirror of https://github.com/containers/podman.git
38 lines
1018 B
Go
38 lines
1018 B
Go
package main
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import (
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"net"
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"strings"
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"github.com/containers/common/pkg/machine"
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rkport "github.com/rootless-containers/rootlesskit/pkg/port"
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)
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// WSL machines do not relay ipv4 traffic to dual-stack ports, simulate instead
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func splitDualStackSpecIfWsl(spec rkport.Spec) []rkport.Spec {
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specs := []rkport.Spec{spec}
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protocol := spec.Proto
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if machine.MachineHostType() != machine.Wsl || strings.HasSuffix(protocol, "4") || strings.HasSuffix(protocol, "6") {
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return specs
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}
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ip := net.ParseIP(spec.ParentIP)
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splitLoopback := ip.IsLoopback() && ip.To4() == nil
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// Map ::1 and 0.0.0.0/:: to ipv4 + ipv6 to simulate dual-stack
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if ip.IsUnspecified() || splitLoopback {
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specs = append(specs, spec)
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specs[0].Proto = protocol + "4"
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specs[1].Proto = protocol + "6"
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if splitLoopback {
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// Hacky, but we will only have one ipv4 loopback with WSL config
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specs[0].ParentIP = "127.0.0.1"
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}
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if ip.IsUnspecified() {
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specs[0].ParentIP = "0.0.0.0"
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specs[1].ParentIP = "::"
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}
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}
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return specs
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}
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