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FTPD: allow to set different passive IPs based on the client's IP address

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This commit is contained in:
Nicola Murino
2021-11-25 12:45:09 +01:00
parent 531cb5b5a1
commit 4652f9ede8
9 changed files with 214 additions and 23 deletions
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32
config/config.go
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@@ -53,6 +53,7 @@ var (
ApplyProxyConfig: true,
TLSMode: 0,
ForcePassiveIP: "",
PassiveIPOverrides: nil,
ClientAuthType: 0,
TLSCipherSuites: nil,
PassiveConnectionsSecurity: 0,
@@ -852,6 +853,31 @@ func getSFTPDBindindFromEnv(idx int) {
}
}
func getFTPDPassiveIPOverridesFromEnv(idx int) []ftpd.PassiveIPOverride {
var overrides []ftpd.PassiveIPOverride
for subIdx := 0; subIdx < 10; subIdx++ {
var override ftpd.PassiveIPOverride
ip, ok := os.LookupEnv(fmt.Sprintf("SFTPGO_FTPD__BINDINGS__%v__PASSIVE_IP_OVERRIDES__%v__IP", idx, subIdx))
if ok {
override.IP = ip
}
networks, ok := lookupStringListFromEnv(fmt.Sprintf("SFTPGO_FTPD__BINDINGS__%v__PASSIVE_IP_OVERRIDES__%v__NETWORKS",
idx, subIdx))
if ok {
override.Networks = networks
}
if len(override.Networks) > 0 {
overrides = append(overrides, override)
}
}
return overrides
}
func getFTPDBindingFromEnv(idx int) {
binding := ftpd.Binding{
ApplyProxyConfig: true,
@@ -892,6 +918,12 @@ func getFTPDBindingFromEnv(idx int) {
isSet = true
}
passiveIPOverrides := getFTPDPassiveIPOverridesFromEnv(idx)
if len(passiveIPOverrides) > 0 {
binding.PassiveIPOverrides = passiveIPOverrides
isSet = true
}
clientAuthType, ok := lookupIntFromEnv(fmt.Sprintf("SFTPGO_FTPD__BINDINGS__%v__CLIENT_AUTH_TYPE", idx))
if ok {
binding.ClientAuthType = int(clientAuthType)