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Merge pull request #185 from slingamn/proxypatch.1

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tweaks to webirc functionality
This commit is contained in:
Daniel Oaks 2018-02-01 15:46:59 +10:00 committed by GitHub
commit 10b4ec243b
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2 changed files with 19 additions and 5 deletions
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13
irc/gateways.go
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@ -41,7 +41,7 @@ func (wc *webircConfig) Populate() (err error) {
// WEBIRC <password> <gateway> <hostname> <ip> [:flag1 flag2=x flag3]
func webircHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
// only allow unregistered clients to use this command
if client.registered {
if client.registered || client.proxiedIP != "" {
return false
}
@ -58,9 +58,12 @@ func webircHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
key = x
}
// only accept "tls" flag if the gateway's connection to us is secure as well
if strings.ToLower(key) == "tls" && client.flags[TLS] {
secure = true
lkey := strings.ToLower(key)
if lkey == "tls" || lkey == "secure" {
// only accept "tls" flag if the gateway's connection to us is secure as well
if client.flags[TLS] || utils.AddrIsLocal(client.socket.conn.RemoteAddr()) {
secure = true
}
}
}
}
@ -93,7 +96,7 @@ func webircHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
// http://www.haproxy.org/download/1.8/doc/proxy-protocol.txt
func proxyHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
// only allow unregistered clients to use this command
if client.registered {
if client.registered || client.proxiedIP != "" {
return false
}

11
irc/utils/net.go
View File

@ -25,6 +25,17 @@ func AddrLookupHostname(addr net.Addr) string {
return LookupHostname(IPString(addr))
}
// AddrIsLocal returns whether the address is from a trusted local connection (loopback or unix).
func AddrIsLocal(addr net.Addr) bool {
if tcpaddr, ok := addr.(*net.TCPAddr); ok {
return tcpaddr.IP.IsLoopback()
}
if _, ok := addr.(*net.UnixAddr); ok {
return true
}
return false
}
// LookupHostname returns the hostname for `addr` if it has one. Otherwise, just returns `addr`.
func LookupHostname(addr string) string {
names, err := net.LookupAddr(addr)