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[Xen-devel] [PATCH 03/13] python: remove flask related libxc python bindings



Mostly for historical reasons Xen includes Python bindings for libxc.
They have been used by xm/xend in the past but nowadays there is no
user of any flask related python binding left. Remove them.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/python/xen/lowlevel/xc/xc.c | 238 --------------------------------------
 1 file changed, 238 deletions(-)

diff --git a/tools/python/xen/lowlevel/xc/xc.c 
b/tools/python/xen/lowlevel/xc/xc.c
index d75f98c..c904627 100644
--- a/tools/python/xen/lowlevel/xc/xc.c
+++ b/tools/python/xen/lowlevel/xc/xc.c
@@ -20,8 +20,6 @@
 #include <xen/hvm/hvm_info_table.h>
 #include <xen/hvm/params.h>
 
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
 /* Needed for Python versions earlier than 2.3. */
 #ifndef PyMODINIT_FUNC
 #define PyMODINIT_FUNC DL_EXPORT(void)
@@ -30,8 +28,6 @@
 #define PKG "xen.lowlevel.xc"
 #define CLS "xc"
 
-#define FLASK_CTX_LEN 1024
-
 static PyObject *xc_error_obj, *zero;
 
 typedef struct {
@@ -1855,187 +1851,6 @@ static PyObject *pyxc_cpupool_freeinfo(XcObject *self)
     return info;
 }
 
-static PyObject *pyflask_context_to_sid(PyObject *self, PyObject *args,
-                                                                 PyObject 
*kwds)
-{
-    xc_interface *xc_handle;
-    char *ctx;
-    uint32_t sid;
-    int ret;
-
-    static char *kwd_list[] = { "context", NULL };
-
-    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "s", kwd_list,
-                                      &ctx) )
-        return NULL;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    ret = xc_flask_context_to_sid(xc_handle, ctx, strlen(ctx), &sid);
-
-    xc_interface_close(xc_handle);
-
-    if ( ret != 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return PyInt_FromLong(sid);
-}
-
-static PyObject *pyflask_sid_to_context(PyObject *self, PyObject *args,
-                                                                 PyObject 
*kwds)
-{
-    xc_interface *xc_handle;
-    uint32_t sid;
-    char ctx[FLASK_CTX_LEN];
-    uint32_t ctx_len = FLASK_CTX_LEN;
-    int ret;
-
-    static char *kwd_list[] = { "sid", NULL };
-
-    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "i", kwd_list,
-                                      &sid) )
-        return NULL;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-    
-    ret = xc_flask_sid_to_context(xc_handle, sid, ctx, ctx_len);
-    
-    xc_interface_close(xc_handle);
-    
-    if ( ret != 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return Py_BuildValue("s", ctx, ctx_len);
-}
-
-static PyObject *pyflask_load(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    xc_interface *xc_handle;
-    char *policy;
-    uint32_t len;
-    int ret;
-
-    static char *kwd_list[] = { "policy", NULL };
-  
-    if( !PyArg_ParseTupleAndKeywords(args, kwds, "s#", kwd_list, &policy, 
&len) )
-        return NULL;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    ret = xc_flask_load(xc_handle, policy, len);
-
-    xc_interface_close(xc_handle);
-
-    if ( ret != 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return Py_BuildValue("i", ret);
-}
-
-static PyObject *pyflask_getenforce(PyObject *self)
-{
-    xc_interface *xc_handle;
-    int ret;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-    
-    ret = xc_flask_getenforce(xc_handle);
-    
-    xc_interface_close(xc_handle);
-    
-    if ( ret < 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return Py_BuildValue("i", ret);
-}
-
-static PyObject *pyflask_setenforce(PyObject *self, PyObject *args,
-                                                            PyObject *kwds)
-{
-    xc_interface *xc_handle;
-    int mode;
-    int ret;
-
-    static char *kwd_list[] = { "mode", NULL };
-
-    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "i", kwd_list,
-                                      &mode) )
-        return NULL;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-    
-    ret = xc_flask_setenforce(xc_handle, mode);
-    
-    xc_interface_close(xc_handle);
-    
-    if ( ret != 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return Py_BuildValue("i", ret);
-}
-
-static PyObject *pyflask_access(PyObject *self, PyObject *args,
-                                                       PyObject *kwds)
-{
-    xc_interface *xc_handle;
-    char *tcon, *scon;
-    uint16_t tclass;
-    uint32_t req, allowed, decided, auditallow, auditdeny, seqno;
-    int ret;
-
-    static char *kwd_list[] = { "src_context", "tar_context", 
-                                "tar_class", "req_permissions",
-                                "decided", "auditallow","auditdeny",
-                                "seqno", NULL };
-
-    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "ssil|llll", kwd_list,
-                                      &scon, &tcon, &tclass, &req, &decided,
-                                      &auditallow, &auditdeny, &seqno) )
-        return NULL;
-
-    xc_handle = xc_interface_open(0,0,0);
-    if (!xc_handle) {
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-    
-    ret = xc_flask_access(xc_handle, scon, tcon, tclass, req, &allowed, 
&decided,
-                        &auditallow, &auditdeny, &seqno);
-        
-    xc_interface_close(xc_handle);
-
-    if ( ret != 0 ) {
-        errno = -ret;
-        return PyErr_SetFromErrno(xc_error_obj);
-    }
-
-    return Py_BuildValue("i",ret);
-}
-
 static PyMethodDef pyxc_methods[] = {
     { "domain_create", 
       (PyCFunction)pyxc_domain_create, 
@@ -2584,59 +2399,6 @@ static PyMethodDef pyxc_methods[] = {
       "Get info about cpus not in any cpupool.\n"
       "Returns: [list]: List of CPUs\n" },
 
-    { "flask_context_to_sid",
-      (PyCFunction)pyflask_context_to_sid,
-      METH_KEYWORDS, "\n"
-      "Convert a context string to a dynamic SID.\n"
-      " context [str]: String specifying context to be converted\n"
-      "Returns: [int]: Numeric SID on success; -1 on error.\n" },
-
-    { "flask_sid_to_context",
-      (PyCFunction)pyflask_sid_to_context,
-      METH_KEYWORDS, "\n"
-      "Convert a dynamic SID to context string.\n"
-      " context [int]: SID to be converted\n"
-      "Returns: [str]: Numeric SID on success; -1 on error.\n" },
-
-    { "flask_load",
-      (PyCFunction)pyflask_load,
-      METH_KEYWORDS, "\n"
-      "Loads a policy into the hypervisor.\n"
-      " policy [str]: policy to be load\n"
-      "Returns: [int]: 0 on success; -1 on failure.\n" }, 
-      
-    { "flask_getenforce",
-      (PyCFunction)pyflask_getenforce,
-      METH_NOARGS, "\n"
-      "Returns the current mode of the Flask XSM module.\n"
-      "Returns: [int]: 0 for permissive; 1 for enforcing; -1 on failure.\n" }, 
-
-    { "flask_setenforce",
-      (PyCFunction)pyflask_setenforce,
-      METH_KEYWORDS, "\n"
-      "Modifies the current mode for the Flask XSM module.\n"
-      " mode [int]: mode to change to\n"
-      "Returns: [int]: 0 on success; -1 on failure.\n" }, 
-
-    { "flask_access",
-      (PyCFunction)pyflask_access,
-      METH_KEYWORDS, "\n"
-      "Returns whether a source context has access to target context based on \
-       class and permissions requested.\n"
-      " scon [str]: source context\n"
-      " tcon [str]: target context\n"
-      " tclass [int]: target security class\n"
-      " req [int] requested permissions\n"
-      " allowed [int] permissions allow for the target class between the 
source \
-        and target context\n"
-      " decided [int] the permissions that were returned in the allowed \
-        parameter\n"
-      " auditallow [int] permissions set to audit on allow\n"
-      " auditdeny [int] permissions set to audit on deny\n"
-      " seqno [int] not used\n"
-      "Returns: [int]: 0 on all permission granted; -1 if any permissions are \
-       denied\n" }, 
-
     { NULL, NULL, 0, NULL }
 };
 
-- 
2.1.4


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