From 6f33f3e4c26564602d5d13c7459938955b56a16e Mon Sep 17 00:00:00 2001 From: Günther Deschner Date: Tue, 23 Sep 2008 06:58:17 +0200 Subject: s4-nbt: move libcli/nbt up one level. Guenther --- libcli/nbt/pynbt.c | 408 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 408 insertions(+) create mode 100644 libcli/nbt/pynbt.c (limited to 'libcli/nbt/pynbt.c') diff --git a/libcli/nbt/pynbt.c b/libcli/nbt/pynbt.c new file mode 100644 index 0000000000..e49c1776a3 --- /dev/null +++ b/libcli/nbt/pynbt.c @@ -0,0 +1,408 @@ +/* + Unix SMB/CIFS implementation. + Samba utility functions + Copyright © Jelmer Vernooij 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 . +*/ + +#include "includes.h" +#include +#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(PyTypeObject *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 = s4_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); +} -- cgit