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package main
/*
#include <stdlib.h>
typedef void (*PythonCB)(const char* name, const char* oldstate, const char* newstate, const char* data);
__attribute__((weak))
void call_callback(PythonCB callback, const char *name, const char* oldstate, const char* newstate, const char* data)
{
callback(name, oldstate, newstate, data);
}
*/
import "C"
import (
"errors"
"fmt"
"unsafe"
"github.com/jwijenbergh/eduvpn-common"
)
var P_StateCallbacks map[string]C.PythonCB
var VPNStates map[string]*eduvpn.VPNState
func StateCallback(name string, old_state string, new_state string, data string) {
P_StateCallback, exists := P_StateCallbacks[name]
if !exists || P_StateCallback == nil {
return
}
name_c := C.CString(name)
oldState_c := C.CString(old_state)
newState_c := C.CString(new_state)
data_c := C.CString(data)
C.call_callback(P_StateCallback, name_c, oldState_c, newState_c, data_c)
C.free(unsafe.Pointer(name_c))
C.free(unsafe.Pointer(oldState_c))
C.free(unsafe.Pointer(newState_c))
C.free(unsafe.Pointer(data_c))
}
func GetVPNState(name string) (*eduvpn.VPNState, error) {
state, exists := VPNStates[name]
if !exists || state == nil {
return nil, errors.New(fmt.Sprintf("State with name %s not found", name))
}
return state, nil
}
//export Register
func Register(name *C.char, config_directory *C.char, stateCallback C.PythonCB, debug C.int) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
state = &eduvpn.VPNState{}
}
if VPNStates == nil {
VPNStates = make(map[string]*eduvpn.VPNState)
}
if P_StateCallbacks == nil {
P_StateCallbacks = make(map[string]C.PythonCB)
}
VPNStates[nameStr] = state
P_StateCallbacks[nameStr] = stateCallback
registerErr := state.Register(nameStr, C.GoString(config_directory), func(old string, new string, data string) {
StateCallback(nameStr, old, new, data)
}, debug != 0)
if registerErr != nil {
delete(VPNStates, nameStr)
}
return C.CString(ErrorToString(registerErr))
}
//export Deregister
func Deregister(name *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
state.Deregister()
return nil
}
func ErrorToString(error error) string {
if error == nil {
return ""
}
return error.Error()
}
//export CancelOAuth
func CancelOAuth(name *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
cancelErr := state.CancelOAuth()
cancelErrString := ErrorToString(cancelErr)
return C.CString(cancelErrString)
}
//export GetConnectConfig
func GetConnectConfig(name *C.char, url *C.char, isSecureInternet C.int, forceTCP C.int) (*C.char, *C.char, *C.char) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return nil, nil, C.CString(ErrorToString(stateErr))
}
var config string
var configType string
var configErr error
forceTCPBool := forceTCP == 1
if isSecureInternet == 1 {
config, configType, configErr = state.GetConfigSecureInternet(C.GoString(url), forceTCPBool)
} else {
config, configType, configErr = state.GetConfigInstituteAccess(C.GoString(url), forceTCPBool)
}
return C.CString(config), C.CString(configType), C.CString(ErrorToString(configErr))
}
//export GetOrganizationsList
func GetOrganizationsList(name *C.char) (*C.char, *C.char) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return nil, C.CString(ErrorToString(stateErr))
}
organizations, organizationsErr := state.GetDiscoOrganizations()
return C.CString(organizations), C.CString(ErrorToString(organizationsErr))
}
//export GetServersList
func GetServersList(name *C.char) (*C.char, *C.char) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return nil, C.CString(ErrorToString(stateErr))
}
servers, serversErr := state.GetDiscoServers()
return C.CString(servers), C.CString(ErrorToString(serversErr))
}
//export SetProfileID
func SetProfileID(name *C.char, data *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
profileErr := state.SetProfileID(C.GoString(data))
return C.CString(ErrorToString(profileErr))
}
//export GetIdentifier
func GetIdentifier(name *C.char) (*C.char, *C.char) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(""), C.CString(ErrorToString(stateErr))
}
identifier := state.GetIdentifier()
return C.CString(identifier), C.CString("")
}
//export SetIdentifier
func SetIdentifier(name *C.char, identifier *C.char) *C.char {
nameStr := C.GoString(name)
identifierStr := C.GoString(identifier)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
state.SetIdentifier(identifierStr)
return C.CString("")
}
//export SetSearchServer
func SetSearchServer(name *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
setSearchErr := state.SetSearchServer()
return C.CString(ErrorToString(setSearchErr))
}
//export SetDisconnected
func SetDisconnected(name *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
setDisconnectedErr := state.SetDisconnected()
return C.CString(ErrorToString(setDisconnectedErr))
}
//export SetConnected
func SetConnected(name *C.char) *C.char {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return C.CString(ErrorToString(stateErr))
}
setConnectedErr := state.SetConnected()
return C.CString(ErrorToString(setConnectedErr))
}
//export FreeString
func FreeString(addr *C.char) {
C.free(unsafe.Pointer(addr))
}
// Not used in library, but needed to compile.
func main() { panic("compile with -buildmode=c-shared") }
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