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authorJelmer Vernooij <jelmer@samba.org>2008-06-11 00:05:58 +0200
committerJelmer Vernooij <jelmer@samba.org>2008-06-11 00:05:58 +0200
commit230503ad847f9514e95b57c48eeacbd619a1c9f5 (patch)
treef487b170347cc63fb3973eaeb91957b1a26b369a /source4/libcli/nbt
parent01fc095d6e2fa1b883b3f429085b4aca4254f105 (diff)
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Add working Python bindings for NBT.
(This used to be commit 9c88f5e1de9db34751f16c2247fa91ae2445c5f7)
Diffstat (limited to 'source4/libcli/nbt')
-rw-r--r--source4/libcli/nbt/pynbt.c408
1 files changed, 408 insertions, 0 deletions
diff --git a/source4/libcli/nbt/pynbt.c b/source4/libcli/nbt/pynbt.c
new file mode 100644
index 0000000000..626a63ac48
--- /dev/null
+++ b/source4/libcli/nbt/pynbt.c
@@ -0,0 +1,408 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright © Jelmer Vernooij <jelmer@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/>.
+*/
+
+#include "includes.h"
+#include <Python.h>
+#include "libcli/util/pyerrors.h"
+#include "libcli/nbt/libnbt.h"
+#include "lib/events/events.h"
+#include "param/param.h"
+
+PyAPI_DATA(PyTypeObject) nbt_node_Type;
+
+typedef struct {
+ PyObject_HEAD
+ TALLOC_CTX *mem_ctx;
+ struct nbt_name_socket *socket;
+} nbt_node_Object;
+
+static void py_nbt_node_dealloc(PyObject *obj)
+{
+ talloc_free(((nbt_node_Object *)obj)->mem_ctx);
+ PyObject_Del(obj);
+}
+
+static PyObject *py_nbt_node_init(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ struct event_context *ev;
+ nbt_node_Object *ret = PyObject_New(nbt_node_Object, &nbt_node_Type);
+
+ ret->mem_ctx = talloc_new(NULL);
+ if (ret->mem_ctx == NULL)
+ return NULL;
+
+ ev = event_context_init(ret->mem_ctx);
+ ret->socket = nbt_name_socket_init(ret->mem_ctx, ev, lp_iconv_convenience(global_loadparm));
+ return (PyObject *)ret;
+}
+
+static bool PyObject_AsDestinationTuple(PyObject *obj, const char **dest_addr, uint16_t *dest_port)
+{
+ if (PyString_Check(obj)) {
+ *dest_addr = PyString_AsString(obj);
+ *dest_port = NBT_NAME_SERVICE_PORT;
+ return true;
+ }
+
+ if (PyTuple_Check(obj)) {
+ if (PyTuple_Size(obj) < 1) {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple size invalid");
+ return false;
+ }
+
+ if (!PyString_Check(PyTuple_GetItem(obj, 0))) {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple first element not string");
+ return false;
+ }
+
+ *dest_addr = PyString_AsString(obj);
+
+ if (PyTuple_Size(obj) == 1) {
+ *dest_port = NBT_NAME_SERVICE_PORT;
+ return true;
+ } else if (PyInt_Check(PyTuple_GetItem(obj, 1))) {
+ *dest_port = PyInt_AsLong(PyTuple_GetItem(obj, 1));
+ return true;
+ } else {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple second element not a port");
+ return false;
+ }
+ }
+
+ PyErr_SetString(PyExc_TypeError, "Destination tuple second element not a port");
+ return false;
+}
+
+static bool PyObject_AsNBTName(PyObject *obj, struct nbt_name_socket *socket, struct nbt_name *name)
+{
+ if (PyTuple_Check(obj)) {
+ if (PyTuple_Size(obj) == 2) {
+ name->name = PyString_AsString(PyTuple_GetItem(obj, 0));
+ name->type = PyInt_AsLong(PyTuple_GetItem(obj, 1));
+ name->scope = NULL;
+ return true;
+ } else if (PyTuple_Size(obj) == 3) {
+ name->name = PyString_AsString(PyTuple_GetItem(obj, 0));
+ name->scope = PyString_AsString(PyTuple_GetItem(obj, 1));
+ name->type = PyInt_AsLong(PyTuple_GetItem(obj, 2));
+ return true;
+ } else {
+ PyErr_SetString(PyExc_TypeError, "Invalid tuple size");
+ return false;
+ }
+ }
+
+ if (PyString_Check(obj)) {
+ /* FIXME: Parse string to be able to interpret things like RHONWYN<02> ? */
+ name->name = PyString_AsString(obj);
+ name->scope = NULL;
+ name->type = 0;
+ return true;
+ }
+
+ PyErr_SetString(PyExc_TypeError, "Invalid type for object");
+ return false;
+}
+
+static PyObject *PyObject_FromNBTName(struct nbt_name_socket *socket, struct smb_iconv_convenience *ic,
+ struct nbt_name *name)
+{
+ if (name->scope) {
+ return Py_BuildValue("(ssi)", name->name, name->scope, name->type);
+ } else {
+ return Py_BuildValue("(si)", name->name, name->type);
+ }
+}
+
+static PyObject *py_nbt_name_query(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *reply_addrs, *py_dest, *py_name;
+ struct nbt_name_query io;
+ NTSTATUS status;
+ int i;
+
+ const char *kwnames[] = { "name", "dest", "broadcast", "wins", "timeout",
+ "retries", NULL };
+ io.in.broadcast = true;
+ io.in.wins_lookup = false;
+ io.in.timeout = 0;
+ io.in.retries = 3;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|bbii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &py_dest,
+ &io.in.broadcast, &io.in.wins_lookup,
+ &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_query(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ reply_addrs = PyList_New(io.out.num_addrs);
+ if (reply_addrs == NULL) {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ for (i = 0; i < io.out.num_addrs; i++) {
+ PyList_SetItem(reply_addrs, i, PyString_FromString(io.out.reply_addrs[i]));
+ }
+
+ PyTuple_SetItem(ret, 2, reply_addrs);
+ return ret;
+}
+
+static PyObject *py_nbt_name_status(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name, *py_names;
+ struct nbt_name_status io;
+ int i;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "dest", "timeout", "retries", NULL };
+
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|ii:name_status",
+ discard_const_p(char *, kwnames),
+ &py_name, &py_dest,
+ &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_status(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ py_names = PyList_New(io.out.status.num_names);
+
+ for (i = 0; i < io.out.status.num_names; i++) {
+ PyList_SetItem(py_names, i, Py_BuildValue("(sii)",
+ io.out.status.names[i].name,
+ io.out.status.names[i].nb_flags,
+ io.out.status.names[i].type));
+ }
+
+ PyTuple_SetItem(ret, 2, py_names);
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_register(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name;
+ struct nbt_name_register io;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "address", "dest", "register_demand", "broadcast",
+ "multi_homed", "ttl", "timeout", "retries", NULL };
+
+ io.in.broadcast = true;
+ io.in.multi_homed = true;
+ io.in.register_demand = true;
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OsO|bbbiii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &io.in.address, &py_dest,
+ &io.in.register_demand,
+ &io.in.broadcast, &io.in.multi_homed,
+ &io.in.ttl, &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_register(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ PyTuple_SetItem(ret, 2, PyString_FromString(io.out.reply_addr));
+
+ PyTuple_SetItem(ret, 3, PyInt_FromLong(io.out.rcode));
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_refresh(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name;
+ struct nbt_name_refresh io;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "address", "dest", "nb_flags", "broadcast",
+ "ttl", "timeout", "retries", NULL };
+
+ io.in.broadcast = true;
+ io.in.nb_flags = 0;
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OsO|ibiii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &io.in.address, &py_dest,
+ &io.in.nb_flags,
+ &io.in.broadcast,
+ &io.in.ttl, &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_refresh(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ PyTuple_SetItem(ret, 2, PyString_FromString(io.out.reply_addr));
+
+ PyTuple_SetItem(ret, 3, PyInt_FromLong(io.out.rcode));
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_release(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ return Py_None; /* FIXME */
+}
+
+static PyMethodDef py_nbt_methods[] = {
+ { "query_name", (PyCFunction)py_nbt_name_query, METH_VARARGS|METH_KEYWORDS,
+ "S.query_name(name, dest, broadcast=True, wins=False, timeout=0, retries=3) -> (reply_from, name, reply_addr)\n"
+ "Query for a NetBIOS name" },
+ { "register_name", (PyCFunction)py_nbt_name_register, METH_VARARGS|METH_KEYWORDS,
+ "S.register_name(name, address, dest, register_demand=True, broadcast=True, multi_homed=True, ttl=0, timeout=0, retries=0) -> (reply_from, name, reply_addr, rcode)\n"
+ "Register a new name" },
+ { "release_name", (PyCFunction)py_nbt_name_release, METH_VARARGS|METH_KEYWORDS, "S.release_name(name, address, dest, nb_flags=0, broadcast=true, timeout=0, retries=3) -> (reply_from, name, reply_addr, rcode)\n"
+ "release a previously registered name" },
+ { "refresh_name", (PyCFunction)py_nbt_name_refresh, METH_VARARGS|METH_KEYWORDS, "S.refresh_name(name, address, dest, nb_flags=0, broadcast=True, ttl=0, timeout=0, retries=0) -> (reply_from, name, reply_addr, rcode)\n"
+ "release a previously registered name" },
+ { "name_status", (PyCFunction)py_nbt_name_status, METH_VARARGS|METH_KEYWORDS,
+ "S.name_status(name, dest, timeout=0, retries=0) -> (reply_from, name, status)\n"
+ "Find the status of a name" },
+
+ { NULL }
+};
+
+PyTypeObject nbt_node_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "netbios.Node",
+ .tp_basicsize = sizeof(nbt_node_Object),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_new = py_nbt_node_init,
+ .tp_dealloc = py_nbt_node_dealloc,
+ .tp_methods = py_nbt_methods,
+ .tp_doc = "Node()\n"
+ "Create a new NetBIOS node\n"
+};
+
+void initnetbios(void)
+{
+ PyObject *mod;
+ if (PyType_Ready(&nbt_node_Type) < 0)
+ return;
+
+ mod = Py_InitModule3("netbios", NULL, "NetBIOS over TCP/IP support");
+
+ Py_INCREF((PyObject *)&nbt_node_Type);
+ PyModule_AddObject(mod, "Node", (PyObject *)&nbt_node_Type);
+}