seitan,cooker: add wd to change work directory and mknod

./seitan-cooker demo/mknod.hjson demo/mknod.gluten demo/mknod.bpf

Start seitan with the socket option:
./seitan -s /tmp/seitan.sock -i demo/mknod.gluten

Start the container:
sudo rm -f /dev/lol
sudo chown $USER:$USER /tmp/seitan.sock
podman run -ti --runtime /usr/bin/crun \
        --security-opt label=disable \
        -v $(pwd)/test:/test \
        --annotation run.oci.seccomp_bpf_data="$(base64 -w0 demo/mknod.bpf)" \
        --annotation run.oci.seccomp.receiver=/tmp/seitan.sock fedora \
        sh -c 'mknod /dev/lol c 1 7 && ls -l /dev/lol'

1 files changed, 1 insertions, 0 deletions

diff --git a/operations.h b/operations.h
index ec06a15..9f2e2d6 100644
--- a/operations.h
+++ b/operations.h
@@ -36,6 +36,7 @@ struct arg_clone {
 	long nr;
 	const void *args[6];
 	char ns_path[NS_TYPE_MAX + 1][PATH_MAX];
+	char cwd[PATH_MAX];
 	long ret;
 	int err;
 };