diff options
Diffstat (limited to 'exports')
| -rw-r--r-- | exports/exports.go | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/exports/exports.go b/exports/exports.go index 4e08e95..19a2ca4 100644 --- a/exports/exports.go +++ b/exports/exports.go @@ -23,6 +23,7 @@ typedef int (*StateCB)(int oldstate, int newstate, void* data); typedef void (*TokenGetter)(const char* server_id, int server_type, char* out, size_t len); typedef void (*TokenSetter)(const char* server_id, int server_type, const char* tokens); +typedef void (*ProxyFD)(int fd); static long long int get_read_rx_bytes(ReadRxBytes read) { @@ -40,6 +41,9 @@ static void call_token_setter(TokenSetter setter, const char* server_id, int ser { setter(server_id, server_type, tokens); } +static void call_proxy_fd(ProxyFD proxyfd, int fd) +{ + proxyfd(fd); } */ import "C" @@ -883,18 +887,20 @@ func StartFailover(c C.uintptr_t, gateway *C.char, mtu C.int, readRxBytes C.Read } // StartProxyguard starts the 'proxyguard' procedure in eduvpn-common. -// This proxies WireGuard UDP connections over TCP. +// This proxies WireGuard UDP connections over HTTP: https://codeberg.org/eduvpn/proxyguard. // These input variables can be gotten from the configuration that is retrieved using the `proxy` JSON key // // - `c` is the cookie // - `listen` is the ip:port of the local udp connection, this is what is set to the WireGuard endpoint // - `tcpsp` is the TCP source port // - `peer` is the ip:port of the remote server +// - `proxyFD` is a callback with the file descriptor as only argument. It can be used to set certain +// socket option, e.g. to exclude the proxy connection from going over the VPN // // If the proxy cannot be started it returns an error // //export StartProxyguard -func StartProxyguard(c C.uintptr_t, listen *C.char, tcpsp C.int, peer *C.char) *C.char { +func StartProxyguard(c C.uintptr_t, listen *C.char, tcpsp C.int, peer *C.char, proxyFD C.ProxyFD) *C.char { state, stateErr := getVPNState() if stateErr != nil { return getCError(stateErr) @@ -904,7 +910,12 @@ func StartProxyguard(c C.uintptr_t, listen *C.char, tcpsp C.int, peer *C.char) * return getCError(err) } - proxyErr := state.StartProxyguard(ck, C.GoString(listen), int(tcpsp), C.GoString(peer)) + proxyErr := state.StartProxyguard(ck, C.GoString(listen), int(tcpsp), C.GoString(peer), func(fd int) { + if proxyFD == nil { + return + } + C.call_proxy_fd(proxyFD, C.int(fd)) + }) return getCError(proxyErr) } |