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initial implementation of bouncer functionality

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This commit is contained in:
Shivaram Lingamneni 2019-04-12 00:08:46 -04:00
parent a8f04ecc4d
commit c2faeed4b5
19 changed files with 733 additions and 441 deletions
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12
irc/gateways.go
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@ -46,7 +46,7 @@ func (wc *webircConfig) Populate() (err error) {
}
// ApplyProxiedIP applies the given IP to the client.
func (client *Client) ApplyProxiedIP(proxiedIP string, tls bool) (success bool) {
func (client *Client) ApplyProxiedIP(session *Session, proxiedIP string, tls bool) (success bool) {
// PROXY and WEBIRC are never accepted from a Tor listener, even if the address itself
// is whitelisted:
if client.isTor {
@ -56,13 +56,13 @@ func (client *Client) ApplyProxiedIP(proxiedIP string, tls bool) (success bool)
// ensure IP is sane
parsedProxiedIP := net.ParseIP(proxiedIP).To16()
if parsedProxiedIP == nil {
client.Quit(fmt.Sprintf(client.t("Proxied IP address is not valid: [%s]"), proxiedIP))
client.Quit(fmt.Sprintf(client.t("Proxied IP address is not valid: [%s]"), proxiedIP), session)
return false
}
isBanned, banMsg := client.server.checkBans(parsedProxiedIP)
if isBanned {
client.Quit(banMsg)
client.Quit(banMsg, session)
return false
}
@ -88,10 +88,10 @@ func (client *Client) ApplyProxiedIP(proxiedIP string, tls bool) (success bool)
// PROXY TCP[46] SOURCEIP DESTIP SOURCEPORT DESTPORT\r\n
// unfortunately, an ipv6 SOURCEIP can start with a double colon; in this case,
// the message is invalid IRC and can't be parsed normally, hence the special handling.
func handleProxyCommand(server *Server, client *Client, line string) (err error) {
func handleProxyCommand(server *Server, client *Client, session *Session, line string) (err error) {
defer func() {
if err != nil {
client.Quit(client.t("Bad or unauthorized PROXY command"))
client.Quit(client.t("Bad or unauthorized PROXY command"), session)
}
}()
@ -102,7 +102,7 @@ func handleProxyCommand(server *Server, client *Client, line string) (err error)
if utils.IPInNets(client.realIP, server.Config().Server.proxyAllowedFromNets) {
// assume PROXY connections are always secure
if client.ApplyProxiedIP(params[2], true) {
if client.ApplyProxiedIP(session, params[2], true) {
return nil
} else {
return errBadProxyLine