diff options
Diffstat (limited to 'source4/pidl/lib/Parse/Pidl/Samba4/Python.pm')
| -rw-r--r-- | source4/pidl/lib/Parse/Pidl/Samba4/Python.pm | 1216 |
1 files changed, 0 insertions, 1216 deletions
diff --git a/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm b/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm deleted file mode 100644 index 74cec5a827..0000000000 --- a/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm +++ /dev/null @@ -1,1216 +0,0 @@ -################################################### -# Python function wrapper generator -# Copyright jelmer@samba.org 2007-2008 -# released under the GNU GPL - -package Parse::Pidl::Samba4::Python; - -use Exporter; -@ISA = qw(Exporter); - -use strict; -use Parse::Pidl qw(warning fatal); -use Parse::Pidl::Typelist qw(hasType resolveType getType mapTypeName expandAlias); -use Parse::Pidl::Util qw(has_property ParseExpr unmake_str); -use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred is_charset_array); -use Parse::Pidl::CUtil qw(get_value_of get_pointer_to); -use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv); - -use vars qw($VERSION); -$VERSION = '0.01'; - -sub new($) { - my ($class) = @_; - my $self = { res => "", res_hdr => "", tabs => "", constants => {}, - module_methods => [], module_objects => [], ready_types => [], - readycode => [] }; - bless($self, $class); -} - -sub pidl_hdr ($$) -{ - my $self = shift; - $self->{res_hdr} .= shift; -} - -sub pidl($$) -{ - my ($self, $d) = @_; - if ($d) { - $self->{res} .= $self->{tabs}; - $self->{res} .= $d; - } - $self->{res} .= "\n"; -} - -sub indent($) -{ - my ($self) = @_; - $self->{tabs} .= "\t"; -} - -sub deindent($) -{ - my ($self) = @_; - $self->{tabs} = substr($self->{tabs}, 0, -1); -} - -sub Import -{ - my $self = shift; - my @imports = @_; - foreach (@imports) { - $_ = unmake_str($_); - s/\.idl$//; - $self->pidl_hdr("#include \"librpc/gen_ndr/py_$_\.h\"\n"); - } -} - -sub Const($$) -{ - my ($self, $const) = @_; - $self->register_constant($const->{NAME}, $const->{DTYPE}, $const->{VALUE}); -} - -sub register_constant($$$$) -{ - my ($self, $name, $type, $value) = @_; - - $self->{constants}->{$name} = [$type, $value]; -} - -sub EnumAndBitmapConsts($$$) -{ - my ($self, $name, $d) = @_; - - return unless (defined($d->{ELEMENTS})); - - foreach my $e (@{$d->{ELEMENTS}}) { - $e =~ /^([A-Za-z0-9_]+)/; - my $cname = $1; - - $self->register_constant($cname, $d, $cname); - } -} - -sub FromUnionToPythonFunction($$$$) -{ - my ($self, $mem_ctx, $type, $switch, $name) = @_; - - $self->pidl("PyObject *ret;"); - $self->pidl(""); - - $self->pidl("switch ($switch) {"); - $self->indent; - - foreach my $e (@{$type->{ELEMENTS}}) { - $self->pidl("$e->{CASE}:"); - - $self->indent; - - if ($e->{NAME}) { - $self->ConvertObjectToPython($mem_ctx, {}, $e, "$name->$e->{NAME}", "ret", "return NULL;"); - } else { - $self->pidl("ret = Py_None;"); - } - - $self->pidl("return ret;"); - $self->pidl(""); - - $self->deindent; - } - - $self->deindent; - $self->pidl("}"); - - $self->pidl("PyErr_SetString(PyExc_TypeError, \"unknown union level\");"); - $self->pidl("return NULL;"); -} - -sub FromPythonToUnionFunction($$$$$) -{ - my ($self, $type, $typename, $switch, $mem_ctx, $name) = @_; - - my $has_default = 0; - - $self->pidl("$typename *ret = talloc_zero($mem_ctx, $typename);"); - - $self->pidl("switch ($switch) {"); - $self->indent; - - foreach my $e (@{$type->{ELEMENTS}}) { - $self->pidl("$e->{CASE}:"); - if ($e->{CASE} eq "default") { $has_default = 1; } - $self->indent; - if ($e->{NAME}) { - $self->ConvertObjectFromPython({}, $mem_ctx, $e, $name, "ret->$e->{NAME}", "talloc_free(ret); return NULL;"); - } - $self->pidl("break;"); - $self->deindent; - $self->pidl(""); - } - - if (!$has_default) { - $self->pidl("default:"); - $self->indent; - $self->pidl("PyErr_SetString(PyExc_TypeError, \"invalid union level value\");"); - $self->pidl("talloc_free(ret);"); - $self->pidl("ret = NULL;"); - $self->deindent; - } - - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $self->pidl("return ret;"); -} - -sub PythonStruct($$$$$$) -{ - my ($self, $modulename, $prettyname, $name, $cname, $d) = @_; - - my $env = GenerateStructEnv($d, "object"); - - $self->pidl(""); - - my $getsetters = "NULL"; - - if ($#{$d->{ELEMENTS}} > -1) { - foreach my $e (@{$d->{ELEMENTS}}) { - my $varname = "object->$e->{NAME}"; - $self->pidl("static PyObject *py_$name\_get_$e->{NAME}(PyObject *obj, void *closure)"); - $self->pidl("{"); - $self->indent; - $self->pidl("$cname *object = py_talloc_get_ptr(obj);"); - $self->pidl("PyObject *py_$e->{NAME};"); - $self->ConvertObjectToPython("py_talloc_get_mem_ctx(obj)", $env, $e, $varname, "py_$e->{NAME}", "return NULL;"); - $self->pidl("return py_$e->{NAME};"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - $self->pidl("static int py_$name\_set_$e->{NAME}(PyObject *py_obj, PyObject *value, void *closure)"); - $self->pidl("{"); - $self->indent; - $self->pidl("$cname *object = py_talloc_get_ptr(py_obj);"); - my $mem_ctx = "py_talloc_get_mem_ctx(py_obj)"; - my $l = $e->{LEVELS}[0]; - my $nl = GetNextLevel($e, $l); - if ($l->{TYPE} eq "POINTER" and - not ($nl->{TYPE} eq "ARRAY" and ($nl->{IS_FIXED} or is_charset_array($e, $nl))) and - not ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE}))) { - $self->pidl("talloc_free($varname);"); - } - $self->ConvertObjectFromPython($env, $mem_ctx, $e, "value", $varname, "return -1;"); - $self->pidl("return 0;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - } - - $getsetters = "py_$name\_getsetters"; - $self->pidl("static PyGetSetDef ".$getsetters."[] = {"); - $self->indent; - foreach my $e (@{$d->{ELEMENTS}}) { - $self->pidl("{ discard_const_p(char, \"$e->{NAME}\"), py_$name\_get_$e->{NAME}, py_$name\_set_$e->{NAME} },"); - } - $self->pidl("{ NULL }"); - $self->deindent; - $self->pidl("};"); - $self->pidl(""); - } - - $self->pidl("static PyObject *py_$name\_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)"); - $self->pidl("{"); - $self->indent; - $self->pidl("$cname *ret = talloc_zero(NULL, $cname);"); - $self->pidl("return py_talloc_import(&$name\_Type, ret);"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - my $py_methods = "NULL"; - - # If the struct is not public there ndr_pull/ndr_push functions will - # be static so not callable from here - if (has_property($d, "public")) { - $self->pidl("static PyObject *py_$name\_ndr_pack(PyObject *py_obj)"); - $self->pidl("{"); - $self->indent; - $self->pidl("$cname *object = py_talloc_get_ptr(py_obj);"); - $self->pidl("DATA_BLOB blob;"); - $self->pidl("enum ndr_err_code err;"); - $self->pidl("err = ndr_push_struct_blob(&blob, py_talloc_get_mem_ctx(py_obj), NULL, object, (ndr_push_flags_fn_t)ndr_push_$name);"); - $self->pidl("if (err != NDR_ERR_SUCCESS) {"); - $self->indent; - $self->pidl("PyErr_SetNdrError(err);"); - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $self->pidl("return PyString_FromStringAndSize((char *)blob.data, blob.length);"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - $self->pidl("static PyObject *py_$name\_ndr_unpack(PyObject *py_obj, PyObject *args)"); - $self->pidl("{"); - $self->indent; - $self->pidl("$cname *object = py_talloc_get_ptr(py_obj);"); - $self->pidl("DATA_BLOB blob;"); - $self->pidl("enum ndr_err_code err;"); - $self->pidl("if (!PyArg_ParseTuple(args, \"s#:__ndr_unpack__\", &blob.data, &blob.length))"); - $self->pidl("\treturn NULL;"); - $self->pidl(""); - $self->pidl("err = ndr_pull_struct_blob_all(&blob, py_talloc_get_mem_ctx(py_obj), NULL, object, (ndr_pull_flags_fn_t)ndr_pull_$name);"); - $self->pidl("if (err != NDR_ERR_SUCCESS) {"); - $self->indent; - $self->pidl("PyErr_SetNdrError(err);"); - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $self->pidl("return Py_None;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $py_methods = "py_$name\_methods"; - $self->pidl("static PyMethodDef $py_methods\[] = {"); - $self->indent; - $self->pidl("{ \"__ndr_pack__\", (PyCFunction)py_$name\_ndr_pack, METH_NOARGS, \"S.pack() -> blob\\nNDR pack\" },"); - $self->pidl("{ \"__ndr_unpack__\", (PyCFunction)py_$name\_ndr_unpack, METH_VARARGS, \"S.unpack(blob) -> None\\nNDR unpack\" },"); - $self->pidl("{ NULL, NULL, 0, NULL }"); - $self->deindent; - $self->pidl("};"); - $self->pidl(""); - } - - $self->pidl_hdr("PyAPI_DATA(PyTypeObject) $name\_Type;\n"); - $self->pidl_hdr("#define $name\_Check(op) PyObject_TypeCheck(op, &$name\_Type)\n"); - $self->pidl_hdr("#define $name\_CheckExact(op) ((op)->ob_type == &$name\_Type)\n"); - $self->pidl_hdr("\n"); - my $docstring = ($self->DocString($d, $name) or "NULL"); - my $typeobject = "$name\_Type"; - $self->pidl("PyTypeObject $typeobject = {"); - $self->indent; - $self->pidl("PyObject_HEAD_INIT(NULL) 0,"); - $self->pidl(".tp_name = \"$modulename.$prettyname\","); - $self->pidl(".tp_basicsize = sizeof(py_talloc_Object),"); - $self->pidl(".tp_dealloc = py_talloc_dealloc,"); - $self->pidl(".tp_getset = $getsetters,"); - $self->pidl(".tp_repr = py_talloc_default_repr,"); - $self->pidl(".tp_doc = $docstring,"); - $self->pidl(".tp_methods = $py_methods,"); - $self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,"); - $self->pidl(".tp_new = py_$name\_new,"); - $self->deindent; - $self->pidl("};"); - - $self->pidl(""); - - return "&$typeobject"; -} - -sub get_metadata_var($) -{ - my ($e) = @_; - sub get_var($) { my $x = shift; $x =~ s/\*//g; return $x; } - - if (has_property($e, "length_is")) { - return get_var($e->{PROPERTIES}->{length_is}); - } elsif (has_property($e, "size_is")) { - return get_var($e->{PROPERTIES}->{size_is}); - } - - return undef; -} - -sub find_metadata_args($) -{ - my ($fn) = @_; - my $metadata_args = { in => {}, out => {} }; - - # Determine arguments that are metadata for other arguments (size_is/length_is) - foreach my $e (@{$fn->{ELEMENTS}}) { - foreach my $dir (@{$e->{DIRECTION}}) { - my $main = get_metadata_var($e); - if ($main) { - $metadata_args->{$dir}->{$main} = $e->{NAME}; - } - } - } - - return $metadata_args; -} - -sub PythonFunctionUnpackOut($$$) -{ - my ($self, $fn, $fnname) = @_; - - my $outfnname = "unpack_$fnname\_args_out"; - my $signature = ""; - - my $metadata_args = find_metadata_args($fn); - - my $env = GenerateFunctionOutEnv($fn, "r->"); - my $result_size = 0; - - $self->pidl("static PyObject *$outfnname(struct $fn->{NAME} *r)"); - $self->pidl("{"); - $self->indent; - $self->pidl("PyObject *result = Py_None;"); - foreach my $e (@{$fn->{ELEMENTS}}) { - next unless (grep(/out/,@{$e->{DIRECTION}})); - next if (($metadata_args->{in}->{$e->{NAME}} and grep(/in/, @{$e->{DIRECTION}})) or - ($metadata_args->{out}->{$e->{NAME}}) and grep(/out/, @{$e->{DIRECTION}})); - $self->pidl("PyObject *py_$e->{NAME};"); - $result_size++; - } - - if ($fn->{RETURN_TYPE}) { - $result_size++ unless ($fn->{RETURN_TYPE} eq "WERROR" or $fn->{RETURN_TYPE} eq "NTSTATUS"); - } - - my $i = 0; - - if ($result_size > 1) { - $self->pidl("result = PyTuple_New($result_size);"); - $signature .= "("; - } elsif ($result_size == 0) { - $signature .= "None"; - } - - foreach my $e (@{$fn->{ELEMENTS}}) { - next if ($metadata_args->{out}->{$e->{NAME}}); - my $py_name = "py_$e->{NAME}"; - if (grep(/out/,@{$e->{DIRECTION}})) { - $self->ConvertObjectToPython("r", $env, $e, "r->out.$e->{NAME}", $py_name, "return NULL;"); - if ($result_size > 1) { - $self->pidl("PyTuple_SetItem(result, $i, $py_name);"); - $i++; - $signature .= "$e->{NAME}, "; - } else { - $self->pidl("result = $py_name;"); - $signature .= $e->{NAME}; - } - } - } - - if (defined($fn->{RETURN_TYPE}) and $fn->{RETURN_TYPE} eq "NTSTATUS") { - $self->handle_ntstatus("r->out.result", "NULL", undef); - } elsif (defined($fn->{RETURN_TYPE}) and $fn->{RETURN_TYPE} eq "WERROR") { - $self->handle_werror("r->out.result", "NULL", undef); - } elsif (defined($fn->{RETURN_TYPE})) { - my $conv = $self->ConvertObjectToPythonData("r", $fn->{RETURN_TYPE}, "r->out.result"); - if ($result_size > 1) { - $self->pidl("PyTuple_SetItem(result, $i, $conv);"); - } else { - $self->pidl("result = $conv;"); - } - $signature .= "result"; - } - - if (substr($signature, -2) eq ", ") { - $signature = substr($signature, 0, -2); - } - if ($result_size > 1) { - $signature .= ")"; - } - - $self->pidl("return result;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - return ($outfnname, $signature); -} - -sub PythonFunctionPackIn($$$) -{ - my ($self, $fn, $fnname) = @_; - my $metadata_args = find_metadata_args($fn); - - my $infnname = "pack_$fnname\_args_in"; - - $self->pidl("static bool $infnname(PyObject *args, PyObject *kwargs, struct $fn->{NAME} *r)"); - $self->pidl("{"); - $self->indent; - my $args_format = ""; - my $args_string = ""; - my $args_names = ""; - my $signature = ""; - - foreach my $e (@{$fn->{ELEMENTS}}) { - next unless (grep(/in/,@{$e->{DIRECTION}})); - next if (($metadata_args->{in}->{$e->{NAME}} and grep(/in/, @{$e->{DIRECTION}})) or - ($metadata_args->{out}->{$e->{NAME}}) and grep(/out/, @{$e->{DIRECTION}})); - $self->pidl("PyObject *py_$e->{NAME};"); - $args_format .= "O"; - $args_string .= ", &py_$e->{NAME}"; - $args_names .= "\"$e->{NAME}\", "; - $signature .= "$e->{NAME}, "; - } - if (substr($signature, -2) eq ", ") { - $signature = substr($signature, 0, -2); - } - $self->pidl("const char *kwnames[] = {"); - $self->indent; - $self->pidl($args_names . "NULL"); - $self->deindent; - $self->pidl("};"); - - $self->pidl(""); - $self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"$args_format:$fn->{NAME}\", discard_const_p(char *, kwnames)$args_string)) {"); - $self->indent; - $self->pidl("return false;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - my $env = GenerateFunctionInEnv($fn, "r->"); - - my $fail = "return false;"; - foreach my $e (@{$fn->{ELEMENTS}}) { - next unless (grep(/in/,@{$e->{DIRECTION}})); - if ($metadata_args->{in}->{$e->{NAME}}) { - my $py_var = "py_".$metadata_args->{in}->{$e->{NAME}}; - $self->pidl("PY_CHECK_TYPE(PyList, $py_var, $fail);"); - my $val = "PyList_Size($py_var)"; - if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") { - $self->pidl("r->in.$e->{NAME} = talloc_ptrtype(r, r->in.$e->{NAME});"); - $self->pidl("*r->in.$e->{NAME} = $val;"); - } else { - $self->pidl("r->in.$e->{NAME} = $val;"); - } - } else { - $self->ConvertObjectFromPython($env, "r", $e, "py_$e->{NAME}", "r->in.$e->{NAME}", $fail); - } - } - $self->pidl("return true;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - return ($infnname, $signature); -} - -sub PythonFunction($$$) -{ - my ($self, $fn, $iface, $prettyname) = @_; - - my $fnname = "py_$fn->{NAME}"; - my $docstring = $self->DocString($fn, $fn->{NAME}); - - my ($insignature, $outsignature); - my ($infn, $outfn); - - if (has_property($fn, "todo")) { - unless ($docstring) { $docstring = "NULL"; } - $infn = "NULL"; - $outfn = "NULL"; - } else { - ($infn, $insignature) = $self->PythonFunctionPackIn($fn, $fnname); - ($outfn, $outsignature) = $self->PythonFunctionUnpackOut($fn, $fnname); - my $signature = "S.$prettyname($insignature) -> $outsignature"; - if ($docstring) { - $docstring = "\"$signature\\n\\n\"$docstring"; - } else { - $docstring = "\"$signature\""; - } - } - - return ($infn, $outfn, $docstring); -} - -sub handle_werror($$$$) -{ - my ($self, $var, $retval, $mem_ctx) = @_; - - $self->pidl("if (!W_ERROR_IS_OK($var)) {"); - $self->indent; - $self->pidl("PyErr_SetWERROR($var);"); - $self->pidl("talloc_free($mem_ctx);") if ($mem_ctx); - $self->pidl("return $retval;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); -} - -sub handle_ntstatus($$$$) -{ - my ($self, $var, $retval, $mem_ctx) = @_; - - $self->pidl("if (NT_STATUS_IS_ERR($var)) {"); - $self->indent; - $self->pidl("PyErr_SetNTSTATUS($var);"); - $self->pidl("talloc_free($mem_ctx);") if ($mem_ctx); - $self->pidl("return $retval;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); -} - -sub PythonType($$$$) -{ - my ($self, $modulename, $d, $interface, $basename) = @_; - - my $actual_ctype = $d; - if ($actual_ctype->{TYPE} eq "TYPEDEF") { - $actual_ctype = $actual_ctype->{DATA}; - } - - if ($actual_ctype->{TYPE} eq "STRUCT") { - my $typeobject; - my $fn_name = $d->{NAME}; - - $fn_name =~ s/^$interface->{NAME}_//; - $fn_name =~ s/^$basename\_//; - - - if ($d->{TYPE} eq "STRUCT") { - $typeobject = $self->PythonStruct($modulename, $fn_name, $d->{NAME}, mapTypeName($d), $d); - } else { - $typeobject = $self->PythonStruct($modulename, $fn_name, $d->{NAME}, mapTypeName($d), $d->{DATA}); - } - - $self->register_module_typeobject($fn_name, $typeobject); - } - - if ($d->{TYPE} eq "ENUM" or $d->{TYPE} eq "BITMAP") { - $self->EnumAndBitmapConsts($d->{NAME}, $d); - } - - if ($d->{TYPE} eq "TYPEDEF" and ($d->{DATA}->{TYPE} eq "ENUM" or $d->{DATA}->{TYPE} eq "BITMAP")) { - $self->EnumAndBitmapConsts($d->{NAME}, $d->{DATA}); - } - - if ($actual_ctype->{TYPE} eq "UNION" and defined($actual_ctype->{ELEMENTS})) { - $self->pidl("PyObject *py_import_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, " .mapTypeName($d) . " *in)"); - $self->pidl("{"); - $self->indent; - $self->FromUnionToPythonFunction("mem_ctx", $actual_ctype, "level", "in") if ($actual_ctype->{TYPE} eq "UNION"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - $self->pidl(mapTypeName($d) . " *py_export_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, PyObject *in)"); - $self->pidl("{"); - $self->indent; - $self->FromPythonToUnionFunction($actual_ctype, mapTypeName($d), "level", "mem_ctx", "in") if ($actual_ctype->{TYPE} eq "UNION"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - } -} - -sub DocString($$$) -{ - my ($self, $d, $name) = @_; - if (has_property($d, "helpstring")) { - my $docstring = uc("py_doc_$name"); - $self->pidl("#define $docstring ".has_property($d, "helpstring")); - return $docstring; - } - - return undef; -} - -sub Interface($$$) -{ - my($self,$interface,$basename) = @_; - - $self->pidl_hdr("#ifndef _HEADER_PYTHON_$interface->{NAME}\n"); - $self->pidl_hdr("#define _HEADER_PYTHON_$interface->{NAME}\n\n"); - - $self->pidl_hdr("\n"); - - $self->Const($_) foreach (@{$interface->{CONSTS}}); - - foreach my $d (@{$interface->{TYPES}}) { - next if has_property($d, "nopython"); - - $self->PythonType($basename, $d, $interface, $basename); - } - - if (defined $interface->{PROPERTIES}->{uuid}) { - $self->pidl_hdr("PyAPI_DATA(PyTypeObject) $interface->{NAME}_InterfaceType;\n"); - $self->pidl(""); - - my @fns = (); - - foreach my $d (@{$interface->{FUNCTIONS}}) { - next if not defined($d->{OPNUM}); - next if has_property($d, "nopython"); - - my $prettyname = $d->{NAME}; - - $prettyname =~ s/^$interface->{NAME}_//; - $prettyname =~ s/^$basename\_//; - - my ($infn, $outfn, $fndocstring) = $self->PythonFunction($d, $interface->{NAME}, $prettyname); - - push (@fns, [$infn, $outfn, "dcerpc_$d->{NAME}", $prettyname, $fndocstring, $d->{OPNUM}]); - } - - $self->pidl("const struct PyNdrRpcMethodDef py_ndr_$interface->{NAME}\_methods[] = {"); - $self->pidl_hdr("extern const struct PyNdrRpcMethodDef py_ndr_$interface->{NAME}\_methods[];"); - $self->indent; - foreach my $d (@fns) { - my ($infn, $outfn, $callfn, $prettyname, $docstring, $opnum) = @$d; - $self->pidl("{ \"$prettyname\", $docstring, (dcerpc_call_fn)$callfn, (py_data_pack_fn)$infn, (py_data_unpack_fn)$outfn, $opnum, &ndr_table_$interface->{NAME} },"); - } - $self->pidl("{ NULL }"); - $self->deindent; - $self->pidl("};"); - $self->pidl(""); - - $self->pidl("static PyObject *interface_$interface->{NAME}_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)"); - $self->pidl("{"); - $self->indent; - $self->pidl("dcerpc_InterfaceObject *ret;"); - $self->pidl("const char *binding_string;"); - $self->pidl("struct cli_credentials *credentials;"); - $self->pidl("struct loadparm_context *lp_ctx = NULL;"); - $self->pidl("PyObject *py_lp_ctx = Py_None, *py_credentials = Py_None, *py_basis = Py_None;"); - $self->pidl("TALLOC_CTX *mem_ctx = NULL;"); - $self->pidl("struct event_context *event_ctx;"); - $self->pidl("NTSTATUS status;"); - $self->pidl(""); - $self->pidl("const char *kwnames[] = {"); - $self->indent; - $self->pidl("\"binding\", \"lp_ctx\", \"credentials\", \"basis_connection\", NULL"); - $self->deindent; - $self->pidl("};"); - $self->pidl("extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);"); - $self->pidl("extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);"); - $self->pidl(""); - $self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"s|OOO:$interface->{NAME}\", discard_const_p(char *, kwnames), &binding_string, &py_lp_ctx, &py_credentials, &py_basis)) {"); - $self->indent; - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $self->pidl("lp_ctx = lp_from_py_object(py_lp_ctx);"); - $self->pidl("if (lp_ctx == NULL) {"); - $self->indent; - $self->pidl("PyErr_SetString(PyExc_TypeError, \"Expected loadparm context\");"); - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - - $self->pidl("credentials = cli_credentials_from_py_object(py_credentials);"); - $self->pidl("if (credentials == NULL) {"); - $self->indent; - $self->pidl("PyErr_SetString(PyExc_TypeError, \"Expected credentials\");"); - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - - $self->pidl("ret = PyObject_New(dcerpc_InterfaceObject, &$interface->{NAME}_InterfaceType);"); - $self->pidl(""); - $self->pidl("event_ctx = event_context_init(mem_ctx);"); - $self->pidl(""); - - $self->pidl("if (py_basis != Py_None) {"); - $self->indent; - $self->pidl("struct dcerpc_pipe *base_pipe;"); - $self->pidl(""); - $self->pidl("if (!PyObject_TypeCheck(py_basis, &dcerpc_InterfaceType)) {"); - $self->indent; - $self->pidl("PyErr_SetString(PyExc_ValueError, \"basis_connection must be a DCE/RPC connection\");"); - $self->pidl("talloc_free(mem_ctx);"); - $self->pidl("return NULL;"); - $self->deindent; - $self->pidl("}"); - $self->pidl(""); - $self->pidl("base_pipe = ((dcerpc_InterfaceObject *)py_basis)->pipe;"); - $self->pidl(""); - $self->pidl("status = dcerpc_secondary_context(base_pipe, &ret->pipe, &ndr_table_$interface->{NAME});"); - $self->deindent; - $self->pidl("} else {"); - $self->indent; - $self->pidl("status = dcerpc_pipe_connect(NULL, &ret->pipe, binding_string, "); - $self->pidl(" &ndr_table_$interface->{NAME}, credentials, event_ctx, lp_ctx);"); - $self->deindent; - $self->pidl("}"); - $self->handle_ntstatus("status", "NULL", "mem_ctx"); - - $self->pidl("ret->pipe->conn->flags |= DCERPC_NDR_REF_ALLOC;"); - - $self->pidl("return (PyObject *)ret;"); - $self->deindent; - $self->pidl("}"); - - $self->pidl(""); - - my $signature = -"\"$interface->{NAME}(binding, lp_ctx=None, credentials=None) -> connection\\n\" -\"\\n\" -\"binding should be a DCE/RPC binding string (for example: ncacn_ip_tcp:127.0.0.1)\\n\" -\"lp_ctx should be a path to a smb.conf file or a param.LoadParm object\\n\" -\"credentials should be a credentials.Credentials object.\\n\\n\""; - - my $docstring = $self->DocString($interface, $interface->{NAME}); - - if ($docstring) { - $docstring = "$signature$docstring"; - } else { - $docstring = $signature; - } - - $self->pidl("PyTypeObject $interface->{NAME}_InterfaceType = {"); - $self->indent; - $self->pidl("PyObject_HEAD_INIT(NULL) 0,"); - $self->pidl(".tp_name = \"$basename.$interface->{NAME}\","); - $self->pidl(".tp_basicsize = sizeof(dcerpc_InterfaceObject),"); - $self->pidl(".tp_base = &dcerpc_InterfaceType,"); - $self->pidl(".tp_doc = $docstring,"); - $self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,"); - $self->pidl(".tp_new = interface_$interface->{NAME}_new,"); - $self->deindent; - $self->pidl("};"); - - $self->pidl(""); - - $self->register_module_typeobject($interface->{NAME}, "&$interface->{NAME}_InterfaceType"); - $self->register_module_readycode(["if (!PyInterface_AddNdrRpcMethods(&$interface->{NAME}_InterfaceType, py_ndr_$interface->{NAME}\_methods))", "\treturn;", ""]); - } - - $self->pidl_hdr("\n"); - $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */\n"); -} - -sub register_module_method($$$$$) -{ - my ($self, $fn_name, $pyfn_name, $flags, $doc) = @_; - - push (@{$self->{module_methods}}, [$fn_name, $pyfn_name, $flags, $doc]) -} - -sub register_module_typeobject($$$) -{ - my ($self, $name, $py_name) = @_; - - $self->register_module_object($name, "(PyObject *)$py_name"); - - $self->check_ready_type($py_name); -} - -sub check_ready_type($$) -{ - my ($self, $py_name) = @_; - push (@{$self->{ready_types}}, $py_name) unless (grep(/^$py_name$/,@{$self->{ready_types}})); -} - -sub register_module_readycode($$) -{ - my ($self, $code) = @_; - - push (@{$self->{readycode}}, @$code); -} - -sub register_module_object($$$) -{ - my ($self, $name, $py_name) = @_; - - push (@{$self->{module_objects}}, [$name, $py_name]) -} - -sub assign($$$) -{ - my ($self, $dest, $src) = @_; - if ($dest =~ /^\&/) { - $self->pidl("memcpy($dest, $src, sizeof(" . get_value_of($dest) . "));"); - } else { - $self->pidl("$dest = $src;"); - } -} - -sub ConvertObjectFromPythonData($$$$$$) -{ - my ($self, $mem_ctx, $cvar, $ctype, $target, $fail) = @_; - - die("undef type for $cvar") unless(defined($ctype)); - - $ctype = resolveType($ctype); - - my $actual_ctype = $ctype; - if ($ctype->{TYPE} eq "TYPEDEF") { - $actual_ctype = $ctype->{DATA}; - } - - if ($actual_ctype->{TYPE} eq "ENUM" or $actual_ctype->{TYPE} eq "BITMAP" or - $actual_ctype->{TYPE} eq "SCALAR" and ( - expandAlias($actual_ctype->{NAME}) =~ /^(u?int[0-9]*|hyper|NTTIME|time_t|NTTIME_hyper|NTTIME_1sec|dlong|udlong|udlongr)$/)) { - $self->pidl("PY_CHECK_TYPE(PyInt, $cvar, $fail);"); - $self->pidl("$target = PyInt_AsLong($cvar);"); - return; - } - - if ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") { - $self->pidl("PY_CHECK_TYPE($ctype->{NAME}, $cvar, $fail);"); - $self->assign($target, "py_talloc_get_ptr($cvar)"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "DATA_BLOB") { - $self->pidl("$target = data_blob_talloc($mem_ctx, PyString_AsString($cvar), PyString_Size($cvar));"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and - ($actual_ctype->{NAME} eq "string" or $actual_ctype->{NAME} eq "nbt_string" or $actual_ctype->{NAME} eq "nbt_name" or $actual_ctype->{NAME} eq "wrepl_nbt_name")) { - $self->pidl("$target = talloc_strdup($mem_ctx, PyString_AsString($cvar));"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "ipv4address") { - $self->pidl("$target = PyString_AsString($cvar);"); - return; - } - - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "NTSTATUS") { - $self->pidl("$target = NT_STATUS(PyInt_AsLong($cvar));"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "WERROR") { - $self->pidl("$target = W_ERROR(PyInt_AsLong($cvar));"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "string_array") { - $self->pidl("$target = PyCObject_AsVoidPtr($cvar);"); - return; - } - - if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "pointer") { - $self->assign($target, "PyCObject_AsVoidPtr($cvar)"); - return; - } - - fatal($ctype, "unknown type $actual_ctype->{TYPE} for ".mapTypeName($ctype) . ": $cvar"); - -} - -sub ConvertObjectFromPythonLevel($$$$$$$$) -{ - my ($self, $env, $mem_ctx, $py_var, $e, $l, $var_name, $fail) = @_; - my $nl = GetNextLevel($e, $l); - - if ($l->{TYPE} eq "POINTER") { - if ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) { - $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $py_var, $e, $nl, $var_name, $fail); - return; - } - if ($l->{POINTER_TYPE} ne "ref") { - $self->pidl("if ($py_var == Py_None) {"); - $self->indent; - $self->pidl("$var_name = NULL;"); - $self->deindent; - $self->pidl("} else {"); - $self->indent; - } - $self->pidl("$var_name = talloc_ptrtype($mem_ctx, $var_name);"); - $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $py_var, $e, $nl, get_value_of($var_name), $fail); - if ($l->{POINTER_TYPE} ne "ref") { - $self->deindent; - $self->pidl("}"); - } - } elsif ($l->{TYPE} eq "ARRAY") { - my $pl = GetPrevLevel($e, $l); - if ($pl && $pl->{TYPE} eq "POINTER") { - $var_name = get_pointer_to($var_name); - } - - if (is_charset_array($e, $l)) { - $self->pidl("PY_CHECK_TYPE(PyUnicode, $py_var, $fail);"); - # FIXME: Use Unix charset setting rather than utf-8 - $self->pidl($var_name . " = PyString_AsString(PyUnicode_AsEncodedString($py_var, \"utf-8\", \"ignore\"));"); - } else { - my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}"; - $self->pidl("PY_CHECK_TYPE(PyList, $py_var, $fail);"); - $self->pidl("{"); - $self->indent; - $self->pidl("int $counter;"); - if (!$l->{IS_FIXED}) { - $self->pidl("$var_name = talloc_array_ptrtype($mem_ctx, $var_name, PyList_Size($py_var));"); - } - $self->pidl("for ($counter = 0; $counter < PyList_Size($py_var); $counter++) {"); - $self->indent; - $self->ConvertObjectFromPythonLevel($env, $var_name, "PyList_GetItem($py_var, $counter)", $e, GetNextLevel($e, $l), $var_name."[$counter]", $fail); - $self->deindent; - $self->pidl("}"); - $self->deindent; - $self->pidl("}"); - } - } elsif ($l->{TYPE} eq "DATA") { - - if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE})) { - $var_name = get_pointer_to($var_name); - } - $self->ConvertObjectFromPythonData($mem_ctx, $py_var, $l->{DATA_TYPE}, $var_name, $fail); - } elsif ($l->{TYPE} eq "SWITCH") { - $var_name = get_pointer_to($var_name); - my $switch = ParseExpr($l->{SWITCH_IS}, $env, $e); - $self->assign($var_name, "py_export_" . GetNextLevel($e, $l)->{DATA_TYPE} . "($mem_ctx, $switch, $py_var)"); - } elsif ($l->{TYPE} eq "SUBCONTEXT") { - $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $py_var, $e, GetNextLevel($e, $l), $var_name, $fail); - } else { - die("unknown level type $l->{TYPE}"); - } -} - -sub ConvertObjectFromPython($$$$$$$) -{ - my ($self, $env, $mem_ctx, $ctype, $cvar, $target, $fail) = @_; - - $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $cvar, $ctype, $ctype->{LEVELS}[0], $target, $fail); -} - -sub ConvertScalarToPython($$$) -{ - my ($self, $ctypename, $cvar) = @_; - - die("expected string for $cvar, not $ctypename") if (ref($ctypename) eq "HASH"); - - $ctypename = expandAlias($ctypename); - - if ($ctypename =~ /^(char|u?int[0-9]*|hyper|dlong|udlong|udlongr|time_t|NTTIME_hyper|NTTIME|NTTIME_1sec)$/) { - return "PyInt_FromLong($cvar)"; - } - - if ($ctypename eq "DATA_BLOB") { - return "PyString_FromStringAndSize((char *)($cvar).data, ($cvar).length)"; - } - - if ($ctypename eq "NTSTATUS") { - return "PyErr_FromNTSTATUS($cvar)"; - } - - if ($ctypename eq "WERROR") { - return "PyErr_FromWERROR($cvar)"; - } - - if (($ctypename eq "string" or $ctypename eq "nbt_string" or $ctypename eq "nbt_name" or $ctypename eq "wrepl_nbt_name")) { - return "PyString_FromString($cvar)"; - } - - # Not yet supported - if ($ctypename eq "string_array") { return "PyCObject_FromVoidPtr($cvar)"; } - if ($ctypename eq "ipv4address") { return "PyString_FromString($cvar)"; } - if ($ctypename eq "pointer") { - return "PyCObject_FromVoidPtr($cvar, talloc_free)"; - } - - die("Unknown scalar type $ctypename"); -} - -sub ConvertObjectToPythonData($$$$$) -{ - my ($self, $mem_ctx, $ctype, $cvar) = @_; - - die("undef type for $cvar") unless(defined($ctype)); - - $ctype = resolveType($ctype); - - my $actual_ctype = $ctype; - if ($ctype->{TYPE} eq "TYPEDEF") { - $actual_ctype = $ctype->{DATA}; - } - - if ($actual_ctype->{TYPE} eq "ENUM") { - return $self->ConvertScalarToPython(Parse::Pidl::Typelist::enum_type_fn($actual_ctype), $cvar); - } elsif ($actual_ctype->{TYPE} eq "BITMAP") { - return $self->ConvertScalarToPython(Parse::Pidl::Typelist::bitmap_type_fn($actual_ctype), $cvar); - } elsif ($actual_ctype->{TYPE} eq "SCALAR") { - return $self->ConvertScalarToPython($actual_ctype->{NAME}, $cvar); - } elsif ($actual_ctype->{TYPE} eq "UNION") { - fatal($ctype, "union without discriminant: " . mapTypeName($ctype) . ": $cvar"); - } elsif ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") { - return "py_talloc_import_ex(&$ctype->{NAME}_Type, $mem_ctx, $cvar)"; - } - - fatal($ctype, "unknown type $actual_ctype->{TYPE} for ".mapTypeName($ctype) . ": $cvar"); -} - -sub fail_on_null($$$) -{ - my ($self, $var, $fail) = @_; - $self->pidl("if ($var == NULL) {"); - $self->indent; - $self->pidl($fail); - $self->deindent; - $self->pidl("}"); -} - -sub ConvertObjectToPythonLevel($$$$$$) -{ - my ($self, $mem_ctx, $env, $e, $l, $var_name, $py_var, $fail) = @_; - my $nl = GetNextLevel($e, $l); - - if ($l->{TYPE} eq "POINTER") { - if ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) { - $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, $var_name, $py_var, $fail); - return; - } - if ($l->{POINTER_TYPE} ne "ref") { - $self->pidl("if ($var_name == NULL) {"); - $self->indent; - $self->pidl("$py_var = Py_None;"); - $self->deindent; - $self->pidl("} else {"); - $self->indent; - } - $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, get_value_of($var_name), $py_var, $fail); - if ($l->{POINTER_TYPE} ne "ref") { - $self->deindent; - $self->pidl("}"); - } - } elsif ($l->{TYPE} eq "ARRAY") { - my $pl = GetPrevLevel($e, $l); - if ($pl && $pl->{TYPE} eq "POINTER") { - $var_name = get_pointer_to($var_name); - } - - if (is_charset_array($e, $l)) { - # FIXME: Use Unix charset setting rather than utf-8 - $self->pidl("$py_var = PyUnicode_Decode($var_name, strlen($var_name), \"utf-8\", \"ignore\");"); - } else { - die("No SIZE_IS for array $var_name") unless (defined($l->{SIZE_IS})); - my $length = $l->{SIZE_IS}; - if (defined($l->{LENGTH_IS})) { - $length = $l->{LENGTH_IS}; - } - - $length = ParseExpr($length, $env, $e); - $self->pidl("$py_var = PyList_New($length);"); - $self->fail_on_null($py_var, $fail); - $self->pidl("{"); - $self->indent; - my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}"; - $self->pidl("int $counter;"); - $self->pidl("for ($counter = 0; $counter < $length; $counter++) {"); - $self->indent; - my $member_var = "py_$e->{NAME}_$l->{LEVEL_INDEX}"; - $self->pidl("PyObject *$member_var;"); - $self->ConvertObjectToPythonLevel($var_name, $env, $e, GetNextLevel($e, $l), $var_name."[$counter]", $member_var, $fail); - $self->pidl("PyList_SetItem($py_var, $counter, $member_var);"); - $self->deindent; - $self->pidl("}"); - $self->deindent; - $self->pidl("}"); - } - } elsif ($l->{TYPE} eq "SWITCH") { - $var_name = get_pointer_to($var_name); - my $switch = ParseExpr($l->{SWITCH_IS}, $env, $e); - $self->pidl("$py_var = py_import_" . GetNextLevel($e, $l)->{DATA_TYPE} . "($mem_ctx, $switch, $var_name);"); - $self->fail_on_null($py_var, $fail); - - } elsif ($l->{TYPE} eq "DATA") { - if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE})) { - $var_name = get_pointer_to($var_name); - } - my $conv = $self->ConvertObjectToPythonData($mem_ctx, $l->{DATA_TYPE}, $var_name); - $self->pidl("$py_var = $conv;"); - } elsif ($l->{TYPE} eq "SUBCONTEXT") { - $self->ConvertObjectToPythonLevel($mem_ctx, $env, $e, GetNextLevel($e, $l), $var_name, $py_var, $fail); - } else { - die("Unknown level type $l->{TYPE} $var_name"); - } -} - -sub ConvertObjectToPython($$$$$$) -{ - my ($self, $mem_ctx, $env, $ctype, $cvar, $py_var, $fail) = @_; - - $self->ConvertObjectToPythonLevel($mem_ctx, $env, $ctype, $ctype->{LEVELS}[0], $cvar, $py_var, $fail); -} - -sub Parse($$$$$) -{ - my($self,$basename,$ndr,$ndr_hdr,$hdr) = @_; - - my $py_hdr = $hdr; - $py_hdr =~ s/ndr_([^\/]+)$/py_$1/g; - - $self->pidl_hdr("/* header auto-generated by pidl */\n\n"); - - $self->pidl(" -/* Python wrapper functions auto-generated by pidl */ -#include \"includes.h\" -#include <Python.h> -#include \"librpc/rpc/dcerpc.h\" -#include \"scripting/python/pytalloc.h\" -#include \"librpc/rpc/pyrpc.h\" -#include \"lib/events/events.h\" -#include \"$hdr\" -#include \"$ndr_hdr\" -#include \"$py_hdr\" - -"); - - foreach my $x (@$ndr) { - ($x->{TYPE} eq "IMPORT") && $self->Import(@{$x->{PATHS}}); - ($x->{TYPE} eq "INTERFACE") && $self->Interface($x, $basename); - } - - $self->pidl("static PyMethodDef $basename\_methods[] = {"); - $self->indent; - foreach (@{$self->{module_methods}}) { - my ($fn_name, $pyfn_name, $flags, $doc) = @$_; - $self->pidl("{ \"$fn_name\", (PyCFunction)$pyfn_name, $flags, $doc },"); - } - - $self->pidl("{ NULL, NULL, 0, NULL }"); - $self->deindent; - $self->pidl("};"); - - $self->pidl(""); - - $self->pidl("void init$basename(void)"); - $self->pidl("{"); - $self->indent; - $self->pidl("PyObject *m;"); - $self->pidl(""); - - foreach (@{$self->{ready_types}}) { - $self->pidl("if (PyType_Ready($_) < 0)"); - $self->pidl("\treturn;"); - } - - $self->pidl($_) foreach (@{$self->{readycode}}); - - $self->pidl(""); - - $self->pidl("m = Py_InitModule3(\"$basename\", $basename\_methods, \"$basename DCE/RPC\");"); - $self->pidl("if (m == NULL)"); - $self->pidl("\treturn;"); - $self->pidl(""); - foreach my $name (keys %{$self->{constants}}) { - my $py_obj; - my ($ctype, $cvar) = @{$self->{constants}->{$name}}; - if ($cvar =~ /^[0-9]+$/ or $cvar =~ /^0x[0-9a-fA-F]+$/) { - $py_obj = "PyInt_FromLong($cvar)"; - } elsif ($cvar =~ /^".*"$/) { - $py_obj = "PyString_FromString($cvar)"; - } else { - $py_obj = $self->ConvertObjectToPythonData("NULL", expandAlias($ctype), $cvar); - } - - $self->pidl("PyModule_AddObject(m, \"$name\", $py_obj);"); - } - - foreach (@{$self->{module_objects}}) { - my ($object_name, $c_name) = @$_; - $self->pidl("Py_INCREF($c_name);"); - $self->pidl("PyModule_AddObject(m, \"$object_name\", $c_name);"); - } - - $self->deindent; - $self->pidl("}"); - return ($self->{res_hdr}, $self->{res}); -} - -1; |