1
0
mirror of https://github.com/samba-team/samba.git synced 2025-01-29 21:47:30 +03:00

Add support for secondary contexts from Python.

(This used to be commit 16d1ad050546ae6500153438db8d3c857e6f3ad5)
This commit is contained in:
Jelmer Vernooij 2008-05-25 04:23:03 +02:00
parent a2446e5f85
commit 928ecbaebb
5 changed files with 136 additions and 45 deletions

View File

@ -34,6 +34,41 @@ static bool PyString_AsGUID(PyObject *object, struct GUID *uuid)
return true;
}
static bool ndr_syntax_from_py_object(PyObject *object, struct ndr_syntax_id *syntax_id)
{
ZERO_STRUCTP(syntax_id);
if (PyString_Check(object)) {
return PyString_AsGUID(object, &syntax_id->uuid);
} else if (PyTuple_Check(object)) {
if (PyTuple_Size(object) < 1 || PyTuple_Size(object) > 2) {
PyErr_SetString(PyExc_ValueError, "Syntax ID tuple has invalid size");
return false;
}
if (!PyString_Check(PyTuple_GetItem(object, 0))) {
PyErr_SetString(PyExc_ValueError, "Expected GUID as first element in tuple");
return false;
}
if (!PyString_AsGUID(PyTuple_GetItem(object, 0), &syntax_id->uuid))
return false;
if (!PyInt_Check(PyTuple_GetItem(object, 1))) {
PyErr_SetString(PyExc_ValueError, "Expected version as second element in tuple");
return false;
}
syntax_id->if_version = PyInt_AsLong(PyTuple_GetItem(object, 1));
return true;
}
PyErr_SetString(PyExc_TypeError, "Expected UUID or syntax id tuple");
return false;
}
static PyObject *py_iface_server_name(PyObject *obj, void *closure)
{
const char *server_name;
@ -47,8 +82,8 @@ static PyObject *py_iface_server_name(PyObject *obj, void *closure)
}
static PyGetSetDef dcerpc_interface_getsetters[] = {
{ discard_const_p(char, "server_name"), py_iface_server_name,
"name of the server, if connected over SMB"},
{ discard_const_p(char, "server_name"), py_iface_server_name, NULL,
discard_const_p(char, "name of the server, if connected over SMB") },
{ NULL }
};
@ -107,8 +142,45 @@ static PyObject *py_iface_request(PyObject *self, PyObject *args, PyObject *kwar
return ret;
}
static PyObject *py_iface_later_context(PyObject *self, PyObject *args, PyObject *kwargs)
{
dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)self;
NTSTATUS status;
const char *kwnames[] = { "abstract_syntax", "transfer_syntax", NULL };
PyObject *py_abstract_syntax = Py_None, *py_transfer_syntax = Py_None;
struct ndr_syntax_id abstract_syntax, transfer_syntax;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|O:alter_context",
discard_const_p(char *, kwnames), &py_abstract_syntax,
&py_transfer_syntax)) {
return NULL;
}
if (!ndr_syntax_from_py_object(py_abstract_syntax, &abstract_syntax))
return NULL;
if (py_transfer_syntax == Py_None) {
transfer_syntax = ndr_transfer_syntax;
} else {
if (!ndr_syntax_from_py_object(py_transfer_syntax,
&transfer_syntax))
return NULL;
}
status = dcerpc_alter_context(iface->pipe, iface->pipe, &abstract_syntax,
&transfer_syntax);
if (NT_STATUS_IS_ERR(status)) {
PyErr_SetDCERPCStatus(iface->pipe, status);
return NULL;
}
return Py_None;
}
static PyMethodDef dcerpc_interface_methods[] = {
{ "request", (PyCFunction)py_iface_request, METH_VARARGS|METH_KEYWORDS, "S.request(opnum, data, object=None) -> data\nMake a raw request" },
{ "alter_context", (PyCFunction)py_iface_later_context, METH_VARARGS|METH_KEYWORDS, "S.alter_context(syntax)\nChange to a different interface" },
{ NULL, NULL, 0, NULL },
};
@ -120,39 +192,6 @@ static void dcerpc_interface_dealloc(PyObject* self)
PyObject_Del(self);
}
static bool ndr_syntax_from_py_object(PyObject *object, struct ndr_syntax_id *syntax_id)
{
ZERO_STRUCTP(syntax_id);
if (PyString_Check(object)) {
return PyString_AsGUID(object, &syntax_id->uuid);
} else if (PyTuple_Check(object)) {
if (PyTuple_Size(object) < 1 || PyTuple_Size(object) > 2) {
PyErr_SetString(PyExc_ValueError, "Syntax ID tuple has invalid size");
return false;
}
if (!PyString_Check(PyTuple_GetItem(object, 0))) {
PyErr_SetString(PyExc_ValueError, "Expected GUID as first element in tuple");
return false;
}
if (!PyString_AsGUID(PyTuple_GetItem(object, 0), &syntax_id->uuid))
return false;
if (!PyInt_Check(PyTuple_GetItem(object, 1))) {
PyErr_SetString(PyExc_ValueError, "Expected version as second element in tuple");
return false;
}
syntax_id->if_version = PyInt_AsLong(PyTuple_GetItem(object, 1));
return true;
}
PyErr_SetString(PyExc_TypeError, "Expected UUID or syntax id tuple");
return false;
}
static PyObject *dcerpc_interface_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)
{
dcerpc_InterfaceObject *ret;
@ -164,15 +203,15 @@ static PyObject *dcerpc_interface_new(PyTypeObject *self, PyObject *args, PyObje
struct event_context *event_ctx;
NTSTATUS status;
PyObject *syntax;
PyObject *syntax, *py_basis = Py_None;
const char *kwnames[] = {
"binding", "syntax", "lp_ctx", "credentials", NULL
"binding", "syntax", "lp_ctx", "credentials", "basis_connection", NULL
};
extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);
extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);
struct ndr_interface_table *table;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|OO:connect", discard_const_p(char *, kwnames), &binding_string, &syntax, &py_lp_ctx, &py_credentials)) {
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|OOO:connect", discard_const_p(char *, kwnames), &binding_string, &syntax, &py_lp_ctx, &py_credentials, &py_basis)) {
return NULL;
}
@ -208,8 +247,25 @@ static PyObject *dcerpc_interface_new(PyTypeObject *self, PyObject *args, PyObje
ret->pipe = NULL;
status = dcerpc_pipe_connect(NULL, &ret->pipe, binding_string,
table, credentials, event_ctx, lp_ctx);
if (py_basis != Py_None) {
struct dcerpc_pipe *base_pipe;
if (!PyObject_TypeCheck(py_basis, &dcerpc_InterfaceType)) {
PyErr_SetString(PyExc_ValueError, "basis_connection must be a DCE/RPC connection");
talloc_free(mem_ctx);
return NULL;
}
base_pipe = ((dcerpc_InterfaceObject *)py_basis)->pipe;
status = dcerpc_secondary_context(base_pipe, &ret->pipe,
table);
ret->pipe = talloc_steal(NULL, ret->pipe);
} else {
status = dcerpc_pipe_connect(NULL, &ret->pipe, binding_string,
table, credentials, event_ctx, lp_ctx);
}
if (NT_STATUS_IS_ERR(status)) {
PyErr_SetDCERPCStatus(ret->pipe, status);
talloc_free(mem_ctx);

View File

@ -650,20 +650,20 @@ sub Interface($$$)
$self->pidl("const char *binding_string;");
$self->pidl("struct cli_credentials *credentials;");
$self->pidl("struct loadparm_context *lp_ctx = NULL;");
$self->pidl("PyObject *py_lp_ctx = Py_None, *py_credentials = Py_None;");
$self->pidl("PyObject *py_lp_ctx = Py_None, *py_credentials = Py_None, *py_basis = Py_None;");
$self->pidl("TALLOC_CTX *mem_ctx = NULL;");
$self->pidl("struct event_context *event_ctx;");
$self->pidl("NTSTATUS status;");
$self->pidl("");
$self->pidl("const char *kwnames[] = {");
$self->indent;
$self->pidl("\"binding\", \"lp_ctx\", \"credentials\", NULL");
$self->pidl("\"binding\", \"lp_ctx\", \"credentials\", \"basis_connection\", NULL");
$self->deindent;
$self->pidl("};");
$self->pidl("extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);");
$self->pidl("extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);");
$self->pidl("");
$self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"s|OO:$interface->{NAME}\", discard_const_p(char *, kwnames), &binding_string, &py_lp_ctx, &py_credentials)) {");
$self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"s|OOO:$interface->{NAME}\", discard_const_p(char *, kwnames), &binding_string, &py_lp_ctx, &py_credentials, &py_basis)) {");
$self->indent;
$self->pidl("return NULL;");
$self->deindent;
@ -691,8 +691,28 @@ sub Interface($$$)
$self->pidl("event_ctx = event_context_init(mem_ctx);");
$self->pidl("");
$self->pidl("if (py_basis != Py_None) {");
$self->indent;
$self->pidl("struct dcerpc_pipe *base_pipe;");
$self->pidl("");
$self->pidl("if (!PyObject_TypeCheck(py_basis, &dcerpc_InterfaceType)) {");
$self->indent;
$self->pidl("PyErr_SetString(PyExc_ValueError, \"basis_connection must be a DCE/RPC connection\");");
$self->pidl("talloc_free(mem_ctx);");
$self->pidl("return NULL;");
$self->deindent;
$self->pidl("}");
$self->pidl("");
$self->pidl("base_pipe = ((dcerpc_InterfaceObject *)py_basis)->pipe;");
$self->pidl("");
$self->pidl("status = dcerpc_secondary_context(base_pipe, &ret->pipe, &ndr_table_$interface->{NAME});");
$self->deindent;
$self->pidl("} else {");
$self->indent;
$self->pidl("status = dcerpc_pipe_connect(NULL, &ret->pipe, binding_string, ");
$self->pidl(" &ndr_table_$interface->{NAME}, credentials, event_ctx, lp_ctx);");
$self->deindent;
$self->pidl("}");
$self->handle_ntstatus("status", "NULL", "mem_ctx");
$self->pidl("ret->pipe->conn->flags |= DCERPC_NDR_REF_ALLOC;");

View File

@ -40,5 +40,3 @@ samba4.winbind.struct.*.SHOW_SEQUENCE # Not yet working in winbind
samba4.winbind.struct.*.GETPWENT # Not yet working in winbind
samba4.winbind.struct.*.SETPWENT # Not yet working in winbind
samba4.winbind.struct.*.LOOKUP_NAME_SID # Not yet working in winbind

View File

@ -28,3 +28,16 @@ class BareTestCase(TestCase):
("60a15ec5-4de8-11d7-a637-005056a20182", 1))
self.assertEquals("\x01\x00\x00\x00", x.request(0, chr(0) * 4))
#def test_alter_context(self):
# x = ClientConnection("ncalrpc:localhost[DEFAULT]",
# ("12345778-1234-abcd-ef00-0123456789ac", 1))
# x.alter_context(("60a15ec5-4de8-11d7-a637-005056a20182", 1))
# self.assertEquals("\x01\x00\x00\x00", x.request(0, chr(0) * 4))
def test_two_connections(self):
x = ClientConnection("ncalrpc:localhost[DEFAULT]",
("60a15ec5-4de8-11d7-a637-005056a20182", 1))
y = ClientConnection("ncalrpc:localhost",
("60a15ec5-4de8-11d7-a637-005056a20182", 1),
basis_connection=x)
self.assertEquals("\x01\x00\x00\x00", y.request(0, chr(0) * 4))

View File

@ -26,6 +26,10 @@ class RpcEchoTests(RpcInterfaceTestCase):
def setUp(self):
self.conn = echo.rpcecho("ncalrpc:", self.get_loadparm())
def test_two_contexts(self):
self.conn2 = echo.rpcecho("ncalrpc", basis_connection=self.conn)
self.assertEquals(3, self.conn2.AddOne(2))
def test_addone(self):
self.assertEquals(2, self.conn.AddOne(1))