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wireguard-go-bridge: free C strings 

Reported-by: Anders Bergh <anders1@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-08-26 21:11:39 -06:00
parent 8c8030e5c7
commit 388e652315
1 changed files with 11 additions and 3 deletions
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14
wireguard-go-bridge/src/git.zx2c4.com/wireguard-go/api-ios.go
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@ -28,6 +28,7 @@ import (
)
var loggerFunc unsafe.Pointer
var versionString *C.char
type CLogger struct {
level C.int
@ -38,13 +39,18 @@ func (l *CLogger) Write(p []byte) (int, error) {
if uintptr(loggerFunc) == 0 {
return 0, errors.New("No logger initialized")
}
C.callLogger(loggerFunc, l.level, C.CString("WireGuard/GoBackend/"+l.interfaceName), C.CString(string(p)))
tag := C.CString("WireGuard/GoBackend/"+l.interfaceName)
message := C.CString(string(p))
C.callLogger(loggerFunc, l.level, tag, message)
C.free(unsafe.Pointer(tag))
C.free(unsafe.Pointer(message))
return len(p), nil
}
var tunnelHandles map[int32]*Device
func init() {
versionString = C.CString(WireGuardGoVersion)
roamingDisabled = true
tunnelHandles = make(map[int32]*Device)
signals := make(chan os.Signal)
@ -57,7 +63,9 @@ func init() {
n := runtime.Stack(buf, true)
buf[n] = 0
if uintptr(loggerFunc) != 0 {
C.callLogger(loggerFunc, 0, C.CString("WireGuard/GoBackend/Stacktrace"), (*_Ctype_char)(unsafe.Pointer(&buf[0])))
tag := C.CString("WireGuard/GoBackend/Stacktrace")
C.callLogger(loggerFunc, 0, tag, (*_Ctype_char)(unsafe.Pointer(&buf[0])))
C.free(unsafe.Pointer(tag))
}
}
}
@ -122,7 +130,7 @@ func wgTurnOff(tunnelHandle int32) {
//export wgVersion
func wgVersion() *C.char {
return C.CString(WireGuardGoVersion)
return versionString
}
func main() {}