[SCM] Samba Shared Repository - branch master updated

Jelmer Vernooij jelmer at samba.org
Thu Sep 2 20:28:02 MDT 2010


The branch, master has been updated
       via  0bc53f7 pidl: Keep only a single copy of samba.dcerpc.base.ClientConnection.
       via  c5449c9 pidl: Factor out generation of interface type name.
      from  804aaad s3-kerberos: use krb5 compat macros in fill_keytab_from_password()

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit 0bc53f7d9f9af5379422811347e80beb0318b673
Author: Jelmer Vernooij <jelmer at samba.org>
Date:   Fri Sep 3 02:39:38 2010 +0200

    pidl: Keep only a single copy of samba.dcerpc.base.ClientConnection.

commit c5449c929841817ac76197b4fc8c6792b9dc3204
Author: Jelmer Vernooij <jelmer at samba.org>
Date:   Fri Sep 3 00:35:29 2010 +0200

    pidl: Factor out generation of interface type name.

-----------------------------------------------------------------------

Summary of changes:
 pidl/lib/Parse/Pidl/Samba4/Python.pm               |   47 ++++--
 source4/lib/messaging/pymessaging.c                |    2 +-
 source4/librpc/rpc/pyrpc.c                         |  177 +------------------
 source4/librpc/rpc/pyrpc.h                         |   29 ---
 source4/librpc/rpc/pyrpc_util.c                    |  183 +++++++++++++++++++-
 source4/librpc/rpc/pyrpc_util.h                    |   30 ++++
 source4/librpc/wscript_build                       |   54 +++----
 .../scripting/python/samba/tests/dcerpc/rpcecho.py |    2 +-
 8 files changed, 280 insertions(+), 244 deletions(-)


Changeset truncated at 500 lines:

diff --git a/pidl/lib/Parse/Pidl/Samba4/Python.pm b/pidl/lib/Parse/Pidl/Samba4/Python.pm
index e9956d3..715a400 100644
--- a/pidl/lib/Parse/Pidl/Samba4/Python.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/Python.pm
@@ -25,7 +25,8 @@ sub new($) {
 	my $self = { res => "", res_hdr => "", tabs => "", constants => {},
 	             module_methods => [], module_objects => [], ready_types => [],
 				 module_imports => [], type_imports => {},
-				 patch_type_calls => [], readycode => [] };
+				 patch_type_calls => [], prereadycode => [],
+			 	 postreadycode => []};
 	bless($self, $class);
 }
 
@@ -712,12 +713,13 @@ sub Interface($$$)
 			$docstring = $signature;
 		}
 
-		$self->pidl("static PyTypeObject $interface->{NAME}_InterfaceType = {");
+		my $if_typename = "$interface->{NAME}_InterfaceType";
+
+		$self->pidl("static PyTypeObject $if_typename = {");
 		$self->indent;
 		$self->pidl("PyObject_HEAD_INIT(NULL) 0,");
 		$self->pidl(".tp_name = \"$basename.$interface->{NAME}\",");
 		$self->pidl(".tp_basicsize = sizeof(dcerpc_InterfaceObject),");
-		$self->pidl(".tp_base = &dcerpc_InterfaceType,");
 		$self->pidl(".tp_doc = $docstring,");
 		$self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,");
 		$self->pidl(".tp_new = interface_$interface->{NAME}_new,");
@@ -726,8 +728,10 @@ sub Interface($$$)
 
 		$self->pidl("");
 
-		$self->register_module_typeobject($interface->{NAME}, "&$interface->{NAME}_InterfaceType");
-		$self->register_module_readycode(["if (!PyInterface_AddNdrRpcMethods(&$interface->{NAME}_InterfaceType, py_ndr_$interface->{NAME}\_methods))", "\treturn;", ""]);
+		$self->register_module_typeobject($interface->{NAME}, "&$if_typename");
+		my $dcerpc_typename = $self->import_type_variable("base", "ClientConnection");
+		$self->register_module_prereadycode(["$if_typename.tp_base = $dcerpc_typename;", ""]);
+		$self->register_module_postreadycode(["if (!PyInterface_AddNdrRpcMethods(&$if_typename, py_ndr_$interface->{NAME}\_methods))", "\treturn;", ""]);
 	}
 
 	$self->pidl_hdr("\n");
@@ -764,6 +768,17 @@ sub register_module_import($$)
 	push (@{$self->{module_imports}}, $basename) unless (grep(/^$basename$/,@{$self->{module_imports}}));
 }
 
+sub import_type_variable($$$)
+{
+	my ($self, $module, $name) = @_;
+
+	$self->register_module_import($module);
+	unless (defined($self->{type_imports}->{$name})) {
+		$self->{type_imports}->{$name} = $module;
+	}
+	return "$name\_Type";
+}
+
 sub use_type_variable($$)
 {
 	my ($self, $orig_ctype) = @_;
@@ -778,11 +793,7 @@ sub use_type_variable($$)
 	}
 	# If this is an external type, make sure we do the right imports.
 	if (($ctype->{BASEFILE} ne $self->{BASENAME})) {
-		$self->register_module_import($ctype->{BASEFILE});
-		unless (defined($self->{type_imports}->{$ctype->{NAME}})) {
-			$self->{type_imports}->{$ctype->{NAME}} = $ctype->{BASEFILE};
-		}
-		return "$ctype->{NAME}_Type";
+		return $self->import_type_variable($ctype->{BASEFILE}, $ctype->{NAME});
 	}
 	return "&$ctype->{NAME}_Type";
 }
@@ -795,11 +806,18 @@ sub register_patch_type_call($$$)
 
 }
 
-sub register_module_readycode($$)
+sub register_module_prereadycode($$)
 {
 	my ($self, $code) = @_;
 
-	push (@{$self->{readycode}}, @$code);
+	push (@{$self->{prereadycode}}, @$code);
+}
+
+sub register_module_postreadycode($$)
+{
+	my ($self, $code) = @_;
+
+	push (@{$self->{postreadycode}}, @$code);
 }
 
 sub register_module_object($$$)
@@ -1203,6 +1221,7 @@ sub Parse($$$$$)
 #include \"includes.h\"
 #include \"lib/talloc/pytalloc.h\"
 #include \"librpc/rpc/pyrpc.h\"
+#include \"librpc/rpc/pyrpc_util.h\"
 #include \"$hdr\"
 #include \"$ndr_hdr\"
 
@@ -1252,12 +1271,14 @@ sub Parse($$$$$)
 		$self->pidl("");
 	}
 
+	$self->pidl($_) foreach (@{$self->{prereadycode}});
+
 	foreach (@{$self->{ready_types}}) {
 		$self->pidl("if (PyType_Ready($_) < 0)");
 		$self->pidl("\treturn;");
 	}
 
-	$self->pidl($_) foreach (@{$self->{readycode}});
+	$self->pidl($_) foreach (@{$self->{postreadycode}});
 
 	foreach (@{$self->{patch_type_calls}}) {
 		my ($typename, $cvar) = @$_;
diff --git a/source4/lib/messaging/pymessaging.c b/source4/lib/messaging/pymessaging.c
index 131f6c5..e8dcd7d 100644
--- a/source4/lib/messaging/pymessaging.c
+++ b/source4/lib/messaging/pymessaging.c
@@ -23,7 +23,7 @@
 #include "includes.h"
 #include "scripting/python/modules.h"
 #include "libcli/util/pyerrors.h"
-#include "librpc/rpc/pyrpc.h"
+#include "librpc/rpc/pyrpc_util.h"
 #include "librpc/ndr/libndr.h"
 #include "lib/messaging/irpc.h"
 #include "lib/messaging/messaging.h"
diff --git a/source4/librpc/rpc/pyrpc.c b/source4/librpc/rpc/pyrpc.c
index bcfe8cf..52b5d00 100644
--- a/source4/librpc/rpc/pyrpc.c
+++ b/source4/librpc/rpc/pyrpc.c
@@ -2,17 +2,17 @@
    Unix SMB/CIFS implementation.
    Samba utility functions
    Copyright (C) Jelmer Vernooij <jelmer at samba.org> 2008
-   
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
-   
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
@@ -21,86 +21,13 @@
 #include "includes.h"
 #include <structmember.h>
 #include "librpc/rpc/pyrpc.h"
-#include "librpc/rpc/dcerpc.h"
 #include "lib/events/events.h"
 #include "param/pyparam.h"
+#include "librpc/rpc/dcerpc.h"
+#include "librpc/rpc/pyrpc_util.h"
 #include "auth/credentials/pycredentials.h"
 
-static void PyErr_SetDCERPCStatus(struct dcerpc_pipe *p, NTSTATUS status);
-
-static PyObject *py_dcerpc_run_function(dcerpc_InterfaceObject *iface,
-					const struct PyNdrRpcMethodDef *md,
-					PyObject *args, PyObject *kwargs)
-{
-	TALLOC_CTX *mem_ctx;
-	NTSTATUS status;
-	void *r;
-	PyObject *result = Py_None;
-
-	if (md->pack_in_data == NULL || md->unpack_out_data == NULL) {
-		PyErr_SetString(PyExc_NotImplementedError, "No marshalling code available yet");
-		return NULL;
-	}
-
-	mem_ctx = talloc_new(NULL);
-	if (mem_ctx == NULL) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-
-	r = talloc_zero_size(mem_ctx, md->table->calls[md->opnum].struct_size);
-	if (r == NULL) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-
-	if (!md->pack_in_data(args, kwargs, r)) {
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-
-	status = md->call(iface->binding_handle, mem_ctx, r);
-	if (!NT_STATUS_IS_OK(status)) {
-		PyErr_SetDCERPCStatus(iface->pipe, status);
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-
-	result = md->unpack_out_data(r);
-
-	talloc_free(mem_ctx);
-	return result;
-}
-
-static PyObject *py_dcerpc_call_wrapper(PyObject *self, PyObject *args, void *wrapped, PyObject *kwargs)
-{	
-	dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)self;
-	const struct PyNdrRpcMethodDef *md = (const struct PyNdrRpcMethodDef *)wrapped;
-
-	return py_dcerpc_run_function(iface, md, args, kwargs);
-}
-
-
-bool PyInterface_AddNdrRpcMethods(PyTypeObject *ifacetype, const struct PyNdrRpcMethodDef *mds)
-{
-	int i;
-	for (i = 0; mds[i].name; i++) {
-		PyObject *ret;
-		struct wrapperbase *wb = (struct wrapperbase *)calloc(sizeof(struct wrapperbase), 1);
-
-		wb->name = discard_const_p(char, mds[i].name);
-		wb->flags = PyWrapperFlag_KEYWORDS;
-		wb->wrapper = (wrapperfunc)py_dcerpc_call_wrapper;
-		wb->doc = discard_const_p(char, mds[i].doc);
-		
-		ret = PyDescr_NewWrapper(ifacetype, wb, discard_const_p(void, &mds[i]));
-
-		PyDict_SetItemString(ifacetype->tp_dict, mds[i].name, 
-				     (PyObject *)ret);
-	}
-
-	return true;
-}
+staticforward PyTypeObject dcerpc_InterfaceType;
 
 static bool PyString_AsGUID(PyObject *object, struct GUID *uuid)
 {
@@ -144,13 +71,13 @@ static bool ndr_syntax_from_py_object(PyObject *object, struct ndr_syntax_id *sy
 
 	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;
 	dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
-	
+
 	server_name = dcerpc_server_name(iface->pipe);
 	if (server_name == NULL)
 		Py_RETURN_NONE;
@@ -205,14 +132,6 @@ static PyMemberDef dcerpc_interface_members[] = {
 	{ NULL }
 };
 
-static void PyErr_SetDCERPCStatus(struct dcerpc_pipe *p, NTSTATUS status)
-{
-	if (p && NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
-		status = dcerpc_fault_to_nt_status(p->last_fault_code);
-	}
-	PyErr_SetNTSTATUS(status);
-}
-
 static PyObject *py_iface_request(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)self;
@@ -292,84 +211,6 @@ static PyObject *py_iface_alter_context(PyObject *self, PyObject *args, PyObject
 	Py_RETURN_NONE;
 }
 
-PyObject *py_dcerpc_interface_init_helper(PyTypeObject *type, PyObject *args, PyObject *kwargs, const struct ndr_interface_table *table)
-{
-	dcerpc_InterfaceObject *ret;
-	const char *binding_string;
-	struct cli_credentials *credentials;
-	struct loadparm_context *lp_ctx = NULL;
-	PyObject *py_lp_ctx = Py_None, *py_credentials = Py_None, *py_basis = Py_None;
-	TALLOC_CTX *mem_ctx = NULL;
-	struct tevent_context *event_ctx;
-	NTSTATUS status;
-
-	const char *kwnames[] = {
-		"binding", "lp_ctx", "credentials", "basis_connection", NULL
-	};
-
-	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OOO:samr", discard_const_p(char *, kwnames), &binding_string, &py_lp_ctx, &py_credentials, &py_basis)) {
-		return NULL;
-	}
-
-	mem_ctx = talloc_new(NULL);
-	if (mem_ctx == NULL) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-
-	lp_ctx = lpcfg_from_py_object(mem_ctx, py_lp_ctx);
-	if (lp_ctx == NULL) {
-		PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-
-	status = dcerpc_init(lp_ctx);
-	if (!NT_STATUS_IS_OK(status)) {
-		PyErr_SetNTSTATUS(status);
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-	credentials = cli_credentials_from_py_object(py_credentials);
-	if (credentials == NULL) {
-		PyErr_SetString(PyExc_TypeError, "Expected credentials");
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-	ret = PyObject_New(dcerpc_InterfaceObject, type);
-	ret->mem_ctx = mem_ctx;
-
-	event_ctx = s4_event_context_init(ret->mem_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 = talloc_reference(mem_ctx, ((dcerpc_InterfaceObject *)py_basis)->pipe);
-
-		status = dcerpc_secondary_context(base_pipe, &ret->pipe, table);
-
-		ret->pipe = talloc_steal(ret->mem_ctx, ret->pipe);
-	} else {
-		status = dcerpc_pipe_connect(event_ctx, &ret->pipe, binding_string,
-		             table, credentials, event_ctx, lp_ctx);
-	}
-	if (NT_STATUS_IS_ERR(status)) {
-		PyErr_SetNTSTATUS(status);
-		talloc_free(mem_ctx);
-		return NULL;
-	}
-
-	ret->pipe->conn->flags |= DCERPC_NDR_REF_ALLOC;
-	ret->binding_handle = ret->pipe->binding_handle;
-	return (PyObject *)ret;
-}
-
 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_alter_context, METH_VARARGS|METH_KEYWORDS, "S.alter_context(syntax)\nChange to a different interface" },
@@ -479,7 +320,7 @@ static PyObject *dcerpc_interface_new(PyTypeObject *type, PyObject *args, PyObje
 	return (PyObject *)ret;
 }
 
-PyTypeObject dcerpc_InterfaceType = {
+static PyTypeObject dcerpc_InterfaceType = {
 	PyObject_HEAD_INIT(NULL) 0,
 	.tp_name = "dcerpc.ClientConnection",
 	.tp_basicsize = sizeof(dcerpc_InterfaceObject),
diff --git a/source4/librpc/rpc/pyrpc.h b/source4/librpc/rpc/pyrpc.h
index 4ba9bd3..fb5f35f 100644
--- a/source4/librpc/rpc/pyrpc.h
+++ b/source4/librpc/rpc/pyrpc.h
@@ -35,11 +35,6 @@
 #define dom_sid2_Check dom_sid_Check
 #define dom_sid28_Check dom_sid_Check
 
-/* This macro is only provided by Python >= 2.3 */
-#ifndef PyAPI_DATA
-#   define PyAPI_DATA(RTYPE) extern RTYPE
-#endif
-
 typedef struct {
 	PyObject_HEAD
 	TALLOC_CTX *mem_ctx;
@@ -47,28 +42,4 @@ typedef struct {
 	struct dcerpc_binding_handle *binding_handle;
 } dcerpc_InterfaceObject;
 
-PyAPI_DATA(PyTypeObject) dcerpc_InterfaceType;
-
-#define PyErr_FromNdrError(err) Py_BuildValue("(is)", err, ndr_map_error2string(err))
-
-#define PyErr_SetNdrError(err) \
-		PyErr_SetObject(PyExc_RuntimeError, PyErr_FromNdrError(err))
-
-typedef NTSTATUS (*py_dcerpc_call_fn) (struct dcerpc_binding_handle *, TALLOC_CTX *, void *);
-typedef bool (*py_data_pack_fn) (PyObject *args, PyObject *kwargs, void *r);
-typedef PyObject *(*py_data_unpack_fn) (void *r);
-
-struct PyNdrRpcMethodDef {
-	const char *name;
-	const char *doc;
-	py_dcerpc_call_fn call;
-	py_data_pack_fn pack_in_data;
-	py_data_unpack_fn unpack_out_data;
-	uint32_t opnum;
-	const struct ndr_interface_table *table;
-};
-
-bool PyInterface_AddNdrRpcMethods(PyTypeObject *object, const struct PyNdrRpcMethodDef *mds);
-PyObject *py_dcerpc_interface_init_helper(PyTypeObject *type, PyObject *args, PyObject *kwargs, const struct ndr_interface_table *table);
-
 #endif /* _PYRPC_H_ */
diff --git a/source4/librpc/rpc/pyrpc_util.c b/source4/librpc/rpc/pyrpc_util.c
index e1d3450..2af868c 100644
--- a/source4/librpc/rpc/pyrpc_util.c
+++ b/source4/librpc/rpc/pyrpc_util.c
@@ -23,6 +23,11 @@
 #include <Python.h>
 #include "includes.h"
 #include "librpc/rpc/pyrpc_util.h"
+#include "librpc/rpc/dcerpc.h"
+#include "librpc/rpc/pyrpc.h"
+#include "param/pyparam.h"
+#include "auth/credentials/pycredentials.h"
+#include "lib/events/events.h"
 
 #ifndef Py_TYPE /* Py_TYPE is only available on Python > 2.6 */
 #define Py_TYPE(ob)             (((PyObject*)(ob))->ob_type)
@@ -31,7 +36,7 @@
 bool py_check_dcerpc_type(PyObject *obj, const char *module, const char *typename)
 {
 	PyObject *mod;
-        PyTypeObject *type;
+	PyTypeObject *type;
 	bool ret;
 
 	mod = PyImport_ImportModule(module);
@@ -59,3 +64,179 @@ bool py_check_dcerpc_type(PyObject *obj, const char *module, const char *typenam
 
 	return ret;
 }
+
+PyObject *py_dcerpc_interface_init_helper(PyTypeObject *type, PyObject *args, PyObject *kwargs, const struct ndr_interface_table *table)
+{
+	dcerpc_InterfaceObject *ret;
+	const char *binding_string;
+	struct cli_credentials *credentials;
+	struct loadparm_context *lp_ctx = NULL;
+	PyObject *py_lp_ctx = Py_None, *py_credentials = Py_None, *py_basis = Py_None;
+	TALLOC_CTX *mem_ctx = NULL;
+	struct tevent_context *event_ctx;
+	NTSTATUS status;
+
+	const char *kwnames[] = {
+		"binding", "lp_ctx", "credentials", "basis_connection", NULL
+	};
+
+	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OOO:samr", discard_const_p(char *, kwnames), &binding_string, &py_lp_ctx, &py_credentials, &py_basis)) {
+		return NULL;
+	}
+
+	mem_ctx = talloc_new(NULL);
+	if (mem_ctx == NULL) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+
+	lp_ctx = lpcfg_from_py_object(mem_ctx, py_lp_ctx);
+	if (lp_ctx == NULL) {
+		PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+
+	status = dcerpc_init(lp_ctx);
+	if (!NT_STATUS_IS_OK(status)) {
+		PyErr_SetNTSTATUS(status);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	credentials = cli_credentials_from_py_object(py_credentials);
+	if (credentials == NULL) {
+		PyErr_SetString(PyExc_TypeError, "Expected credentials");
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	ret = PyObject_New(dcerpc_InterfaceObject, type);
+	ret->mem_ctx = mem_ctx;
+
+	event_ctx = s4_event_context_init(ret->mem_ctx);
+
+	if (py_basis != Py_None) {
+		struct dcerpc_pipe *base_pipe;
+		PyObject *py_base;
+		PyTypeObject *ClientConnection_Type;


-- 
Samba Shared Repository


More information about the samba-cvs mailing list