r14968: Move tdb and ldb swig wrappers in to lib/tdb and lib/ldb directories.

(This used to be commit fa8d0dc14a1af9567401d54a803b34a6498b7cd4)

2 files changed, 321 insertions, 0 deletions

diff --git a/source4/lib/ldb/swig/Ldb.py b/source4/lib/ldb/swig/Ldb.py
new file mode 100644
index 0000000000..f761aec398
--- /dev/null
+++ b/source4/lib/ldb/swig/Ldb.py
@@ -0,0 +1,102 @@
+"""Provide a more Pythonic and object-oriented interface to ldb."""
+
+#
+# Swig interface to Samba
+#
+# Copyright (C) Tim Potter 2006
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+import ldb
+
+class LdbElement:
+    """A class representing a ldb element as an array of values."""
+    
+    def __init__(self, elt):
+        self.name = elt.name
+        self.flags = elt.flags
+        self.values = [ldb.ldb_val_array_getitem(elt.values, x)
+                       for x in range(elt.num_values)]
+
+    def __repr__(self):
+        return '<%s(name=%s) instance at 0x%x' % (self.__class__.__name__,
+                                                  `self.name`, id(self))
+
+    def __len__(self):
+        return self.values.len()
+
+    def __getitem__(self, key):
+        return self.values[key]
+
+class LdbMessage:
+    """A class representing a ldb message as a dict of ldb elements."""
+    
+    def __init__(self, msg = None):
+
+        self.dn = None
+        self.private_data = None
+        self.elements = []
+
+        if msg is not None:
+            self.dn = msg.dn
+            self.private_data = msg.private_data
+            eltlist = \
+                [LdbElement(ldb.ldb_message_element_array_getitem(
+                            msg.elements, x))
+                 for x in range(msg.num_elements)]
+            self.elements = dict([(x.name, x) for x in eltlist])
+
+    def __repr__(self):
+        return '<%s(dn=%s) instance at 0x%x>' % (self.__class__.__name__,
+                                               `self.dn`, id(self))
+
+    def __getitem__(self, key):
+        return self.elements[key]
+
+    def keys(self):
+        return self.elements.keys()
+
+class Ldb:
+    """A class representing a binding to a ldb file."""
+
+    def __init__(self):
+        self.mem_ctx = ldb.talloc_init('python ldb')
+        self.ldb_ctx = ldb.init(self.mem_ctx)
+        
+    def __del__(self):
+        ldb.talloc_free(self.mem_ctx)
+
+    def connect(self, url, flags = 0):
+        ldb.connect(self.ldb_ctx, url, flags, None)
+
+    def search(self, expression):
+
+        result = ldb.search(self.ldb_ctx, None, ldb.LDB_SCOPE_DEFAULT,
+                            expression, None);
+
+        return [LdbMessage(ldb.ldb_message_ptr_array_getitem(result.msgs, ndx))
+                for ndx in range(result.count)]
+
+    def delete(self, dn):
+        if ldb.delete(self.ldb_ctx, dn) != 0:
+            raise IOError, ldb.errstring(self.ldb_ctx)
+
+    def rename(self, olddn, newdn):
+        if ldb.rename(self.ldb_ctx, olddn, newdn) != 0:
+            raise IOError, ldb.errstring(self.ldb_ctx)
+
+    def add(self, msg):
+        ldb.add(self.ldb_ctx, msg)
diff --git a/source4/lib/ldb/swig/ldb.i b/source4/lib/ldb/swig/ldb.i
new file mode 100644
index 0000000000..31c1ffe3e4
--- /dev/null
+++ b/source4/lib/ldb/swig/ldb.i
@@ -0,0 +1,219 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Swig interface to ldb.
+
+   Copyright (C) 2005,2006 Tim Potter <tpot@samba.org>
+   Copyright (C) 2006 Simo Sorce <idra@samba.org>
+
+     ** NOTE! The following LGPL license applies to the ldb
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+%module ldb
+
+%{
+
+/* Some typedefs to help swig along */
+
+typedef unsigned char uint8_t;
+typedef unsigned long long uint64_t;
+typedef long long int64_t;
+
+/* Include headers */
+
+#include "lib/ldb/include/ldb.h"
+#include "lib/talloc/talloc.h"
+
+%}
+
+%include "carrays.i"
+%include "exception.i"
+
+/* 
+ * Wrap struct ldb_context
+ */
+
+/* The ldb functions will crash if a NULL ldb context is passed so
+   catch this before it happens. */
+
+%typemap(check) struct ldb_context* {
+	if ($1 == NULL)
+		SWIG_exception(SWIG_ValueError, 
+			"ldb context must be non-NULL");
+}
+
+/* 
+ * Wrap TALLOC_CTX
+ */
+
+/* Use talloc_init() to create a parameter to pass to ldb_init().  Don't
+   forget to free it using talloc_free() afterwards. */
+
+TALLOC_CTX *talloc_init(char *name);
+int talloc_free(TALLOC_CTX *ptr);
+
+/*
+ * Wrap struct ldb_val
+ */
+
+%typemap(in) struct ldb_val {
+	if (!PyString_Check($input)) {
+		PyErr_SetString(PyExc_TypeError, "string arg expected");
+		return NULL;
+	}
+	$1.length = PyString_Size($input);
+	$1.data = PyString_AsString($input);
+}
+
+%typemap(out) struct ldb_val {
+	if ($1.data == NULL && $1.length == 0) {
+		$result = Py_None;
+	} else {
+		$result = PyString_FromStringAndSize($1.data, $1.length);
+	}
+}
+
+enum ldb_scope {LDB_SCOPE_DEFAULT=-1, 
+		LDB_SCOPE_BASE=0, 
+		LDB_SCOPE_ONELEVEL=1,
+		LDB_SCOPE_SUBTREE=2};
+
+/*
+ * Wrap struct ldb_result
+ */
+
+%typemap(in, numinputs=0) struct ldb_result **OUT (struct ldb_result *temp_ldb_result) {
+	$1 = &temp_ldb_result;
+}
+
+%typemap(argout) struct ldb_result ** {
+
+	/* XXX: Check result for error and throw exception if necessary */
+
+	resultobj = SWIG_NewPointerObj(*$1, SWIGTYPE_p_ldb_result, 0);
+}	
+
+%types(struct ldb_result *);
+
+/*
+ * Wrap struct ldb_dn
+ */
+
+%typemap(in) struct ldb_dn * {
+	if ($input == Py_None) {
+		$1 = NULL;
+	} else if (!PyString_Check($input)) {
+		PyErr_SetString(PyExc_TypeError, "string arg expected");
+		return NULL;
+	} else {
+		$1 = ldb_dn_explode(NULL, PyString_AsString($input));
+	}
+}
+
+%typemap(out) struct ldb_dn * {
+	$result = PyString_FromString(ldb_dn_linearize($1, $1));
+}
+
+/*
+ * Wrap struct ldb_message_element
+ */
+
+%array_functions(struct ldb_val, ldb_val_array);
+
+struct ldb_message_element {
+	unsigned int flags;
+	const char *name;
+	unsigned int num_values;
+	struct ldb_val *values;
+};
+
+/*
+ * Wrap struct ldb_message
+ */
+
+%array_functions(struct ldb_message_element, ldb_message_element_array);
+
+struct ldb_message {
+	struct ldb_dn *dn;
+	unsigned int num_elements;
+	struct ldb_message_element *elements;
+	void *private_data; /* private to the backend */
+};
+
+%typemap(in) struct ldb_message * {
+	PyObject *obj, *key, *value;
+	int pos;
+
+	$1 = ldb_msg_new(NULL);
+
+	obj = PyObject_GetAttrString($input, "dn");
+	$1->dn = ldb_dn_explode(NULL, PyString_AsString(obj));
+
+	obj = PyObject_GetAttrString($input, "private_data");
+	$1->private_data = PyString_AsString(obj);
+
+	obj = PyObject_GetAttrString($input, "elements");
+
+	pos = 0;
+	while (PyDict_Next(obj, &pos, &key, &value)) {
+		struct ldb_val v;
+
+		v.data = PyString_AsString(value);
+		v.length = PyString_Size(value);
+		ldb_msg_add_value($1, PyString_AsString(key), &v);
+	}
+}
+
+/*
+ * Wrap struct ldb_result
+ */
+
+%array_functions(struct ldb_message *, ldb_message_ptr_array);
+
+struct ldb_result {
+	unsigned int count;
+	struct ldb_message **msgs;
+	char **refs;
+	struct ldb_control **controls;
+};
+
+/*
+ * Wrap ldb functions 
+ */
+
+%rename ldb_init init;
+struct ldb_context *ldb_init(TALLOC_CTX *mem_ctx);
+
+%rename ldb_errstring errstring;
+const char *ldb_errstring(struct ldb_context *ldb);
+
+%rename ldb_connect connect;
+int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[]);
+
+%rename ldb_search search;
+int ldb_search(struct ldb_context *ldb, const struct ldb_dn *base, enum ldb_scope scope, const char *expression, const char * const *attrs, struct ldb_result **OUT);
+
+%rename ldb_delete delete;
+int ldb_delete(struct ldb_context *ldb, const struct ldb_dn *dn);
+
+%rename ldb_rename rename;
+int ldb_rename(struct ldb_context *ldb, const struct ldb_dn *olddn, const struct ldb_dn *newdn);
+
+%rename ldb_add add;
+int ldb_add(struct ldb_context *ldb, const struct ldb_message *message);