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Merge pull request #853 from schemen/bugfix_v0.11.0_postupdown

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Add accept iptables rule for out interface
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Alex Feiszli 2022-03-03 14:20:32 -05:00 committed by GitHub
commit 64ecdb786c
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1 changed files with 6 additions and 6 deletions
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12
logic/gateway.go
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@ -26,8 +26,8 @@ func CreateEgressGateway(gateway models.EgressGatewayRequest) (models.Node, erro
}
node.IsEgressGateway = "yes"
node.EgressGatewayRanges = gateway.Ranges
postUpCmd := "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
postDownCmd := "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
postUpCmd := "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -A FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
postDownCmd := "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -D FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
if gateway.PostUp != "" {
postUpCmd = gateway.PostUp
}
@ -89,8 +89,8 @@ func DeleteEgressGateway(network, nodeid string) (models.Node, error) {
node.PostUp = ""
node.PostDown = ""
if node.IsIngressGateway == "yes" { // check if node is still an ingress gateway before completely deleting postdown/up rules
node.PostUp = "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + node.Interface + " -j MASQUERADE"
node.PostDown = "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + node.Interface + " -j MASQUERADE"
node.PostUp = "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -A FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
node.PostDown = "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -D FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
}
node.SetLastModified()
@ -125,8 +125,8 @@ func CreateIngressGateway(netid string, nodeid string) (models.Node, error) {
}
node.IsIngressGateway = "yes"
node.IngressGatewayRange = network.AddressRange
postUpCmd := "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + node.Interface + " -j MASQUERADE"
postDownCmd := "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + node.Interface + " -j MASQUERADE"
postUpCmd := "iptables -A FORWARD -i " + node.Interface + " -j ACCEPT; iptables -A FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -A POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
postDownCmd := "iptables -D FORWARD -i " + node.Interface + " -j ACCEPT; iptables -D FORWARD -o " + node.Interface + " -j ACCEPT; iptables -t nat -D POSTROUTING -o " + gateway.Interface + " -j MASQUERADE"
if node.PostUp != "" {
if !strings.Contains(node.PostUp, postUpCmd) {
postUpCmd = node.PostUp + "; " + postUpCmd