Avoid SIGSEGV during shutdown if charon is not started as root

diff --git a/src/libhydra/kernel/kernel_interface.c b/src/libhydra/kernel/kernel_interface.c
index 573557506165ab4f3f5b29202b79d26e906b2de3..b6bc5d92ebfdbb6cac45b4333a01e8c4de630f12 100644 (file)
--- a/src/libhydra/kernel/kernel_interface.c
+++ b/src/libhydra/kernel/kernel_interface.c
@@ -362,7 +362,7 @@ METHOD(kernel_interface_t, add_ipsec_interface, void,
 METHOD(kernel_interface_t, remove_ipsec_interface, void,
        private_kernel_interface_t *this, kernel_ipsec_constructor_t constructor)
 {
-       if (constructor == this->ipsec_constructor)
+       if (constructor == this->ipsec_constructor && this->ipsec)
        {
                this->ipsec->destroy(this->ipsec);
                this->ipsec = NULL;
@@ -382,7 +382,7 @@ METHOD(kernel_interface_t, add_net_interface, void,
 METHOD(kernel_interface_t, remove_net_interface, void,
        private_kernel_interface_t *this, kernel_net_constructor_t constructor)
 {
-       if (constructor == this->net_constructor)
+       if (constructor == this->net_constructor && this->net)
        {
                this->net->destroy(this->net);
                this->net = NULL;