func newConn(conn net.Conn, ctx *Ctx) (*Conn, error) {
ssl, err := newSSL(ctx.ctx)
if err != nil {
return nil, err
}
into_ssl := &readBio{}
from_ssl := &writeBio{}
if ctx.GetMode()&ReleaseBuffers > 0 {
into_ssl.release_buffers = true
from_ssl.release_buffers = true
}
into_ssl_cbio := into_ssl.MakeCBIO()
from_ssl_cbio := from_ssl.MakeCBIO()
if into_ssl_cbio == nil || from_ssl_cbio == nil {
// these frees are null safe
C.BIO_free(into_ssl_cbio)
C.BIO_free(from_ssl_cbio)
C.SSL_free(ssl)
return nil, errors.New("failed to allocate memory BIO")
}
// the ssl object takes ownership of these objects now
C.SSL_set_bio(ssl, into_ssl_cbio, from_ssl_cbio)
c := &Conn{
conn: conn,
ssl: ssl,
ctx: ctx,
into_ssl: into_ssl,
from_ssl: from_ssl}
runtime.SetFinalizer(c, func(c *Conn) {
c.into_ssl.Disconnect(into_ssl_cbio)
c.from_ssl.Disconnect(from_ssl_cbio)
C.SSL_free(c.ssl)
})
return c, nil
}
func (self *SSL) SetBIO(readbio *BIO, writebio *BIO) {
C.SSL_set_bio(self.SSL,
(*C.BIO)(unsafe.Pointer(readbio.BIO)),
(*C.BIO)(unsafe.Pointer(writebio.BIO)))
C.SSL_set_accept_state(self.SSL)
}