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-rw-r--r--source4/lib/messaging/pymessaging.c352
1 files changed, 3 insertions, 349 deletions
diff --git a/source4/lib/messaging/pymessaging.c b/source4/lib/messaging/pymessaging.c
index 5813001319..ba9770da34 100644
--- a/source4/lib/messaging/pymessaging.c
+++ b/source4/lib/messaging/pymessaging.c
@@ -25,20 +25,15 @@
#include "libcli/util/pyerrors.h"
#include "librpc/rpc/pyrpc_util.h"
#include "librpc/ndr/libndr.h"
-#include "lib/messaging/irpc.h"
#include "lib/messaging/messaging.h"
#include "lib/events/events.h"
#include "cluster/cluster.h"
#include "param/param.h"
#include "param/pyparam.h"
-#include "librpc/gen_ndr/ndr_irpc.h"
#include "librpc/rpc/dcerpc.h"
+#include "librpc/gen_ndr/server_id.h"
PyAPI_DATA(PyTypeObject) messaging_Type;
-PyAPI_DATA(PyTypeObject) irpc_ClientConnectionType;
-
-/* FIXME: This prototype should be in py_irpc.h, or shared otherwise */
-extern const struct PyNdrRpcMethodDef py_ndr_irpc_methods[];
static bool server_id_from_py(PyObject *object, struct server_id *server_id)
{
@@ -143,7 +138,7 @@ static PyObject *py_messaging_send(PyObject *self, PyObject *args, PyObject *kwa
data.length = length;
- if (!server_id_from_py(target, &server))
+ if (!server_id_from_py(target, &server))
return NULL;
status = messaging_send(iface->msg_ctx, server, msg_type, &data);
@@ -217,44 +212,6 @@ static PyObject *py_messaging_deregister(PyObject *self, PyObject *args, PyObjec
Py_RETURN_NONE;
}
-static PyObject *py_messaging_add_name(PyObject *self, PyObject *args, PyObject *kwargs)
-{
- messaging_Object *iface = (messaging_Object *)self;
- NTSTATUS status;
- char *name;
- const char *kwnames[] = { "name", NULL };
-
- if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|:add_name",
- discard_const_p(char *, kwnames), &name)) {
- return NULL;
- }
-
- status = irpc_add_name(iface->msg_ctx, name);
- if (NT_STATUS_IS_ERR(status)) {
- PyErr_SetNTSTATUS(status);
- return NULL;
- }
-
- Py_RETURN_NONE;
-}
-
-
-static PyObject *py_messaging_remove_name(PyObject *self, PyObject *args, PyObject *kwargs)
-{
- messaging_Object *iface = (messaging_Object *)self;
- char *name;
- const char *kwnames[] = { "name", NULL };
-
- if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|:remove_name",
- discard_const_p(char *, kwnames), &name)) {
- return NULL;
- }
-
- irpc_remove_name(iface->msg_ctx, name);
-
- Py_RETURN_NONE;
-}
-
static PyMethodDef py_messaging_methods[] = {
{ "send", (PyCFunction)py_messaging_send, METH_VARARGS|METH_KEYWORDS,
"S.send(target, msg_type, data) -> None\nSend a message" },
@@ -262,8 +219,6 @@ static PyMethodDef py_messaging_methods[] = {
"S.register(callback, msg_type=None) -> msg_type\nRegister a message handler" },
{ "deregister", (PyCFunction)py_messaging_deregister, METH_VARARGS|METH_KEYWORDS,
"S.deregister(callback, msg_type) -> None\nDeregister a message handler" },
- { "add_name", (PyCFunction)py_messaging_add_name, METH_VARARGS|METH_KEYWORDS, "S.add_name(name) -> None\nListen on another name" },
- { "remove_name", (PyCFunction)py_messaging_remove_name, METH_VARARGS|METH_KEYWORDS, "S.remove_name(name) -> None\nStop listening on a name" },
{ NULL, NULL, 0, NULL }
};
@@ -285,7 +240,7 @@ static PyGetSetDef py_messaging_getset[] = {
PyTypeObject messaging_Type = {
PyObject_HEAD_INIT(NULL) 0,
- .tp_name = "irpc.Messaging",
+ .tp_name = "messaging.Messaging",
.tp_basicsize = sizeof(messaging_Object),
.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
.tp_new = py_messaging_connect,
@@ -297,318 +252,17 @@ PyTypeObject messaging_Type = {
"If no path is specified, the default path from smb.conf will be used."
};
-
-/*
- state of a irpc 'connection'
-*/
-typedef struct {
- PyObject_HEAD
- TALLOC_CTX *mem_ctx;
- const char *server_name;
- struct server_id *dest_ids;
- struct messaging_context *msg_ctx;
- struct tevent_context *ev;
-} irpc_ClientConnectionObject;
-
-/*
- setup a context for talking to a irpc server
- example:
- status = irpc.connect("smb_server");
-*/
-
-PyObject *py_irpc_connect(PyTypeObject *self, PyObject *args, PyObject *kwargs)
-{
- const char *kwnames[] = { "server", "own_id", "messaging_path", NULL };
- char *server;
- const char *messaging_path = NULL;
- PyObject *own_id = Py_None;
- irpc_ClientConnectionObject *ret;
-
- if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|Oz:connect",
- discard_const_p(char *, kwnames), &server, &own_id, &messaging_path)) {
- return NULL;
- }
-
- ret = PyObject_New(irpc_ClientConnectionObject, &irpc_ClientConnectionType);
- if (ret == NULL)
- return NULL;
-
- ret->mem_ctx = talloc_new(NULL);
-
- ret->server_name = server;
-
- ret->ev = s4_event_context_init(ret->mem_ctx);
-
- if (messaging_path == NULL) {
- messaging_path = lpcfg_messaging_path(ret->mem_ctx,
- py_default_loadparm_context(ret->mem_ctx));
- } else {
- messaging_path = talloc_strdup(ret->mem_ctx, messaging_path);
- }
-
- if (own_id != Py_None) {
- struct server_id server_id;
-
- if (!server_id_from_py(own_id, &server_id))
- return NULL;
-
- ret->msg_ctx = messaging_init(ret->mem_ctx,
- messaging_path,
- server_id,
- ret->ev);
- } else {
- ret->msg_ctx = messaging_client_init(ret->mem_ctx,
- messaging_path,
- ret->ev);
- }
-
- if (ret->msg_ctx == NULL) {
- PyErr_SetString(PyExc_RuntimeError, "irpc_connect unable to create a messaging context");
- talloc_free(ret->mem_ctx);
- return NULL;
- }
-
- ret->dest_ids = irpc_servers_byname(ret->msg_ctx, ret->mem_ctx, ret->server_name);
- if (ret->dest_ids == NULL || ret->dest_ids[0].id == 0) {
- talloc_free(ret->mem_ctx);
- PyErr_SetNTSTATUS(NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return NULL;
- } else {
- return (PyObject *)ret;
- }
-}
-
-typedef struct {
- PyObject_HEAD
- TALLOC_CTX *mem_ctx;
- struct tevent_context *ev;
- struct tevent_req **reqs;
- void **ptrs;
- int count;
- int current;
- py_data_unpack_fn unpack_fn;
-} irpc_ResultObject;
-
-
-static PyObject *irpc_result_next(irpc_ResultObject *iterator)
-{
- NTSTATUS status;
- bool ok;
-
- if (iterator->current >= iterator->count) {
- PyErr_SetString(PyExc_StopIteration, "No more results");
- return NULL;
- }
-
- ok = tevent_req_poll(iterator->reqs[iterator->current], iterator->ev);
- if (!ok) {
- status = map_nt_error_from_unix(errno);
- PyErr_SetNTSTATUS(status);
- return NULL;
- }
-
- status = dcerpc_binding_handle_call_recv(iterator->reqs[iterator->current]);
- TALLOC_FREE(iterator->reqs[iterator->current]);
- iterator->current++;
- if (!NT_STATUS_IS_OK(status)) {
- PyErr_SetNTSTATUS(status);
- return NULL;
- }
-
- return iterator->unpack_fn(iterator->ptrs[iterator->current-1]);
-}
-
-static PyObject *irpc_result_len(irpc_ResultObject *self)
-{
- return PyLong_FromLong(self->count);
-}
-
-static PyMethodDef irpc_result_methods[] = {
- { "__len__", (PyCFunction)irpc_result_len, METH_NOARGS,
- "Number of elements returned"},
- { NULL }
-};
-
-static void irpc_result_dealloc(PyObject *self)
-{
- talloc_free(((irpc_ResultObject *)self)->mem_ctx);
- PyObject_Del(self);
-}
-
-PyTypeObject irpc_ResultIteratorType = {
- PyObject_HEAD_INIT(NULL) 0,
- .tp_name = "irpc.ResultIterator",
- .tp_basicsize = sizeof(irpc_ResultObject),
- .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
- .tp_iternext = (iternextfunc)irpc_result_next,
- .tp_iter = PyObject_SelfIter,
- .tp_methods = irpc_result_methods,
- .tp_dealloc = irpc_result_dealloc,
-};
-
-static PyObject *py_irpc_call(irpc_ClientConnectionObject *p, struct PyNdrRpcMethodDef *method_def, PyObject *args, PyObject *kwargs)
-{
- void *ptr;
- void **ptrs;
- struct tevent_req **reqs;
- int i, count;
- NTSTATUS status;
- TALLOC_CTX *mem_ctx = talloc_new(NULL);
- irpc_ResultObject *ret;
- size_t struct_size = method_def->table->calls[method_def->opnum].struct_size;
-
- /* allocate the C structure */
- ptr = talloc_zero_size(mem_ctx, struct_size);
- if (ptr == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- /* convert the mpr object into a C structure */
- if (!method_def->pack_in_data(args, kwargs, ptr)) {
- talloc_free(mem_ctx);
- return NULL;
- }
-
- for (count=0;p->dest_ids[count].id;count++) /* noop */ ;
-
- /* we need to make a call per server */
- reqs = talloc_array(mem_ctx, struct tevent_req *, count);
- if (reqs == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- ptrs = talloc_array(mem_ctx, void *, count);
- if (ptrs == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- /* make the actual calls */
- for (i=0;i<count;i++) {
- struct dcerpc_binding_handle *irpc_handle;
-
- irpc_handle = irpc_binding_handle(reqs, p->msg_ctx,
- p->dest_ids[i],
- &ndr_table_irpc);
- if (irpc_handle == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- ptrs[i] = talloc_size(mem_ctx, struct_size);
- if (ptrs[i] == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
- memcpy(ptrs[i], ptr, struct_size);
-
- reqs[i] = dcerpc_binding_handle_call_send(reqs,
- p->ev,
- irpc_handle,
- NULL,
- &ndr_table_irpc,
- method_def->opnum,
- ptrs[i], ptrs[i]);
- if (reqs[i] == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
- }
-
- ret = PyObject_New(irpc_ResultObject, &irpc_ResultIteratorType);
- ret->mem_ctx = mem_ctx;
- ret->ev = p->ev;
- ret->reqs = reqs;
- ret->ptrs = ptrs;
- ret->count = count;
- ret->current = 0;
- ret->unpack_fn = method_def->unpack_out_data;
-
- return (PyObject *)ret;
-done:
- talloc_free(mem_ctx);
- PyErr_SetNTSTATUS(status);
- return NULL;
-}
-
-static PyObject *py_irpc_call_wrapper(PyObject *self, PyObject *args, void *wrapped, PyObject *kwargs)
-{
- irpc_ClientConnectionObject *iface = (irpc_ClientConnectionObject *)self;
- struct PyNdrRpcMethodDef *md = wrapped;
-
- return py_irpc_call(iface, md, args, kwargs);
-}
-
-static void py_irpc_dealloc(PyObject *self)
-{
- irpc_ClientConnectionObject *iface = (irpc_ClientConnectionObject *)self;
- talloc_free(iface->mem_ctx);
- PyObject_Del(self);
-}
-
-PyTypeObject irpc_ClientConnectionType = {
- PyObject_HEAD_INIT(NULL) 0,
- .tp_name = "irpc.ClientConnection",
- .tp_basicsize = sizeof(irpc_ClientConnectionObject),
- .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
- .tp_new = py_irpc_connect,
- .tp_dealloc = py_irpc_dealloc,
- .tp_doc = "ClientConnection(server, own_id=None, messaging_path=None)\n" \
- "Create a new IRPC client connection to communicate with the servers in the specified path.\n" \
- "If no path is specified, the default path from smb.conf will be used."
-};
-
-static bool irpc_AddNdrRpcMethods(PyTypeObject *ifacetype, const struct PyNdrRpcMethodDef *mds)
-{
- int i;
- for (i = 0; mds[i].name; i++) {
- PyObject *ret;
- struct wrapperbase *wb = calloc(sizeof(struct wrapperbase), 1);
-
- wb->name = discard_const_p(char, mds[i].name);
- wb->flags = PyWrapperFlag_KEYWORDS;
- wb->wrapper = (wrapperfunc)py_irpc_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;
-}
-
void initmessaging(void)
{
PyObject *mod;
- PyObject *dep_irpc;
-
- dep_irpc = PyImport_ImportModule("samba.dcerpc.irpc");
- if (dep_irpc == NULL)
- return;
-
- if (PyType_Ready(&irpc_ClientConnectionType) < 0)
- return;
if (PyType_Ready(&messaging_Type) < 0)
return;
- if (PyType_Ready(&irpc_ResultIteratorType) < 0)
- return;
-
- if (!irpc_AddNdrRpcMethods(&irpc_ClientConnectionType, py_ndr_irpc_methods))
- return;
-
mod = Py_InitModule3("messaging", NULL, "Internal RPC");
if (mod == NULL)
return;
- Py_INCREF((PyObject *)&irpc_ClientConnectionType);
- PyModule_AddObject(mod, "ClientConnection", (PyObject *)&irpc_ClientConnectionType);
-
Py_INCREF((PyObject *)&messaging_Type);
PyModule_AddObject(mod, "Messaging", (PyObject *)&messaging_Type);
}