Convert credentials Python module to "manual" C - no SWIG used to generate

the C code.

1 files changed, 316 insertions, 0 deletions

diff --git a/source4/auth/credentials/pycredentials.c b/source4/auth/credentials/pycredentials.c
new file mode 100644
index 0000000000..9922549e2d
--- /dev/null
+++ b/source4/auth/credentials/pycredentials.c
@@ -0,0 +1,316 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
+   
+   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/>.
+*/
+
+#include "includes.h"
+#include "pycredentials.h"
+#include "param/param.h"
+#include "lib/cmdline/credentials.h"
+#include "librpc/gen_ndr/samr.h" /* for struct samr_Password */
+#include "libcli/util/pyerrors.h"
+
+/* Here until param/param.i gets rewritten in "manual" C */
+extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);
+
+struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj)
+{
+    if (py_obj == Py_None) {
+        return cli_credentials_init_anon(NULL);
+    }
+	
+    if (PyCredentials_Check(py_obj))
+	    return PyCredentials_AsCliCredentials(py_obj);
+
+    return NULL;
+}
+
+static PyObject *PyString_FromStringOrNULL(const char *str)
+{
+	if (str == NULL)
+		return Py_None;
+	return PyString_FromString(str);
+}
+
+static PyObject *py_creds_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+{
+	return py_talloc_import(type, cli_credentials_init(NULL));
+}
+
+static PyObject *py_creds_get_username(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_username(self->ptr));
+}
+
+static PyObject *py_creds_set_username(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_username(self->ptr, newval, obt));
+}
+
+static PyObject *py_creds_get_password(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_password(self->ptr));
+}
+
+
+static PyObject *py_creds_set_password(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_password(self->ptr, newval, obt));
+}
+
+static PyObject *py_creds_get_domain(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_domain(self->ptr));
+}
+
+static PyObject *py_creds_set_domain(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_domain(self->ptr, newval, obt));
+}
+
+static PyObject *py_creds_get_realm(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_realm(self->ptr));
+}
+
+static PyObject *py_creds_set_realm(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_realm(self->ptr, newval, obt));
+}
+
+static PyObject *py_creds_get_bind_dn(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_bind_dn(self->ptr));
+}
+
+static PyObject *py_creds_set_bind_dn(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	if (!PyArg_ParseTuple(args, "s", &newval))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_bind_dn(self->ptr, newval));
+}
+
+static PyObject *py_creds_get_workstation(py_talloc_Object *self)
+{
+	return PyString_FromStringOrNULL(cli_credentials_get_workstation(self->ptr));
+}
+
+static PyObject *py_creds_set_workstation(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	return PyBool_FromLong(cli_credentials_set_workstation(self->ptr, newval, obt));
+}
+
+static PyObject *py_creds_is_anonymous(py_talloc_Object *self)
+{
+	return PyBool_FromLong(cli_credentials_is_anonymous(self->ptr));
+}
+
+static PyObject *py_creds_set_anonymous(py_talloc_Object *self)
+{
+	cli_credentials_set_anonymous(self->ptr);
+	return Py_None;
+}
+
+static PyObject *py_creds_authentication_requested(py_talloc_Object *self)
+{
+        return PyBool_FromLong(cli_credentials_authentication_requested(self->ptr));
+}
+
+static PyObject *py_creds_wrong_password(py_talloc_Object *self)
+{
+        return PyBool_FromLong(cli_credentials_wrong_password(self->ptr));
+}
+
+static PyObject *py_creds_set_cmdline_callbacks(py_talloc_Object *self)
+{
+        return PyBool_FromLong(cli_credentials_set_cmdline_callbacks(self->ptr));
+}
+
+static PyObject *py_creds_parse_string(py_talloc_Object *self, PyObject *args)
+{
+	char *newval;
+	enum credentials_obtained obt = CRED_SPECIFIED;
+	if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
+		return NULL;
+
+	cli_credentials_parse_string(self->ptr, newval, obt);
+	return Py_None;
+}
+
+static PyObject *py_creds_get_nt_hash(py_talloc_Object *self)
+{
+	const struct samr_Password *ntpw = cli_credentials_get_nt_hash(self->ptr, self->ptr);
+
+	return PyString_FromStringAndSize((char *)ntpw->hash, 16);
+}
+
+static PyObject *py_creds_set_kerberos_state(py_talloc_Object *self, PyObject *args)
+{
+	int state;
+	if (!PyArg_ParseTuple(args, "i", &state))
+		return NULL;
+
+        cli_credentials_set_kerberos_state(self->ptr, state);
+	return Py_None;
+}
+
+static PyObject *py_creds_guess(py_talloc_Object *self, PyObject *args)
+{
+	PyObject *py_lp_ctx = Py_None;
+	struct loadparm_context *lp_ctx;
+	if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
+		return NULL;
+
+	lp_ctx = lp_from_py_object(py_lp_ctx);
+	if (lp_ctx == NULL) 
+		return NULL;
+
+	cli_credentials_guess(self->ptr, lp_ctx);
+
+	return Py_None;
+}
+
+static PyObject *py_creds_set_machine_account(py_talloc_Object *self, PyObject *args)
+{
+	PyObject *py_lp_ctx = Py_None;
+	struct loadparm_context *lp_ctx;
+	NTSTATUS status;
+	if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
+		return NULL;
+
+	lp_ctx = lp_from_py_object(py_lp_ctx);
+	if (lp_ctx == NULL) 
+		return NULL;
+
+	status = cli_credentials_set_machine_account(self->ptr, lp_ctx);
+	PyErr_NTSTATUS_IS_ERR_RAISE(status);
+
+	return Py_None;
+}
+
+static PyMethodDef py_creds_methods[] = {
+	{ "get_username", (PyCFunction)py_creds_get_username, METH_NOARGS,
+		"S.get_username() -> username\nObtain username." },
+	{ "set_username", (PyCFunction)py_creds_set_username, METH_VARARGS,
+		"S.set_username(name, obtained=CRED_SPECIFIED) -> None\n"
+		"Change username." },
+	{ "get_password", (PyCFunction)py_creds_get_password, METH_NOARGS,
+		"S.get_password() -> password\n"
+		"Obtain password." },
+	{ "set_password", (PyCFunction)py_creds_set_password, METH_VARARGS,
+		"S.set_password(password, obtained=CRED_SPECIFIED) -> None\n"
+		"Change password." },
+	{ "get_domain", (PyCFunction)py_creds_get_domain, METH_NOARGS,
+		"S.get_domain() -> domain\n"
+		"Obtain domain name." },
+	{ "set_domain", (PyCFunction)py_creds_set_domain, METH_VARARGS,
+		"S.set_domain(domain, obtained=CRED_SPECIFIED) -> None\n"
+		"Change domain name." },
+	{ "get_realm", (PyCFunction)py_creds_get_realm, METH_NOARGS,
+		"S.get_realm() -> realm\n"
+		"Obtain realm name." },
+	{ "set_realm", (PyCFunction)py_creds_set_realm, METH_VARARGS,
+		"S.set_realm(realm, obtained=CRED_SPECIFIED) -> None\n"
+		"Change realm name." },
+	{ "get_bind_dn", (PyCFunction)py_creds_get_bind_dn, METH_NOARGS,
+		"S.get_bind_dn() -> bind dn\n"
+		"Obtain bind DN." },
+	{ "set_bind_dn", (PyCFunction)py_creds_set_bind_dn, METH_VARARGS,
+		"S.set_bind_dn(bind_dn) -> None\n"
+		"Change bind DN." },
+	{ "is_anonymous", (PyCFunction)py_creds_is_anonymous, METH_NOARGS,
+		NULL },
+	{ "set_anonymous", (PyCFunction)py_creds_set_anonymous, METH_NOARGS,
+        	"S.set_anonymous() -> None\n"
+		"Use anonymous credentials." },
+	{ "get_workstation", (PyCFunction)py_creds_get_workstation, METH_NOARGS,
+		NULL },
+	{ "set_workstation", (PyCFunction)py_creds_set_workstation, METH_VARARGS,
+		NULL },
+	{ "authentication_requested", (PyCFunction)py_creds_authentication_requested, METH_NOARGS,
+		NULL },
+	{ "wrong_password", (PyCFunction)py_creds_wrong_password, METH_NOARGS,
+		"S.wrong_password() -> bool\n"
+		"Indicate the returned password was incorrect." },
+	{ "set_cmdline_callbacks", (PyCFunction)py_creds_set_cmdline_callbacks, METH_NOARGS,
+		"S.set_cmdline_callbacks() -> bool\n"
+		"Use command-line to obtain credentials not explicitly set." },
+	{ "parse_string", (PyCFunction)py_creds_parse_string, METH_VARARGS,
+		"S.parse_string(text, obtained=CRED_SPECIFIED) -> None\n"
+		"Parse credentials string." },
+	{ "get_nt_hash", (PyCFunction)py_creds_get_nt_hash, METH_NOARGS,
+		NULL },
+	{ "set_kerberos_state", (PyCFunction)py_creds_set_kerberos_state, METH_VARARGS,
+		NULL },
+	{ "guess", (PyCFunction)py_creds_guess, METH_VARARGS, NULL },
+	{ "set_machine_account", (PyCFunction)py_creds_set_machine_account, METH_VARARGS, NULL },
+	{ NULL }
+};
+
+PyTypeObject PyCredentials = {
+	.tp_name = "Credentials",
+	.tp_basicsize = sizeof(py_talloc_Object),
+	.tp_dealloc = py_talloc_dealloc,
+	.tp_new = py_creds_new,
+	.tp_flags = Py_TPFLAGS_DEFAULT,
+	.tp_methods = py_creds_methods,
+};
+
+void initcredentials(void)
+{
+	PyObject *m;
+
+	if (PyType_Ready(&PyCredentials) < 0)
+		return;
+
+	m = Py_InitModule3("credentials", NULL, "Credentials management.");
+	if (m == NULL)
+		return;
+
+	PyModule_AddObject(m, "AUTO_USE_KERBEROS", PyInt_FromLong(CRED_AUTO_USE_KERBEROS));
+	PyModule_AddObject(m, "DONT_USE_KERBEROS", PyInt_FromLong(CRED_DONT_USE_KERBEROS));
+	PyModule_AddObject(m, "MUST_USE_KERBEROS", PyInt_FromLong(CRED_MUST_USE_KERBEROS));
+
+	Py_INCREF(&PyCredentials);
+	PyModule_AddObject(m, "Credentials", (PyObject *)&PyCredentials);
+}