1 ###################################################
2 # Samba3 client generator for IDL structures
3 # on top of Samba4 style NDR functions
4 # Copyright jelmer@samba.org 2005-2006
5 # Copyright gd@samba.org 2008
6 # released under the GNU GPL
8 package Parse::Pidl::Samba3::ClientNDR;
12 @EXPORT_OK = qw(ParseFunction $res $res_hdr);
15 use Parse::Pidl qw(fatal warning error);
16 use Parse::Pidl::Util qw(has_property ParseExpr genpad);
17 use Parse::Pidl::NDR qw(ContainsPipe);
18 use Parse::Pidl::Typelist qw(mapTypeName);
19 use Parse::Pidl::Samba4 qw(DeclLong);
20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv);
22 use vars qw($VERSION);
25 sub indent($) { my ($self) = @_; $self->{tabs}.="\t"; }
26 sub deindent($) { my ($self) = @_; $self->{tabs} = substr($self->{tabs}, 1); }
27 sub pidl($$) { my ($self,$txt) = @_; $self->{res} .= $txt ? "$self->{tabs}$txt\n" : "\n"; }
28 sub pidl_hdr($$) { my ($self, $txt) = @_; $self->{res_hdr} .= "$txt\n"; }
29 sub fn_declare($$) { my ($self,$n) = @_; $self->pidl($n); $self->pidl_hdr("$n;"); }
34 my $self = { res => "", res_hdr => "", tabs => "" };
38 sub ElementDirection($)
42 return "[in,out]" if (has_property($e, "in") and has_property($e, "out"));
43 return "[in]" if (has_property($e, "in"));
44 return "[out]" if (has_property($e, "out"));
48 sub HeaderProperties($$)
50 my($props,$ignores) = @_;
53 foreach my $d (sort(keys %{$props})) {
54 next if (grep(/^$d$/, @$ignores));
55 if($props->{$d} ne "1") {
56 $ret.= "$d($props->{$d}),";
63 return "[" . substr($ret, 0, -1) . "]";
67 sub ParseInvalidResponse($$)
69 my ($self, $type) = @_;
71 if ($type eq "sync") {
72 $self->pidl("return NT_STATUS_INVALID_NETWORK_RESPONSE;");
73 } elsif ($type eq "async") {
74 $self->pidl("tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);");
75 $self->pidl("return;");
77 die("ParseInvalidResponse($type)");
81 sub ParseFunctionAsyncState($$$)
83 my ($self, $if, $fn) = @_;
85 my $state_str = "struct rpccli_$fn->{NAME}_state";
86 my $done_fn = "rpccli_$fn->{NAME}_done";
88 $self->pidl("$state_str {");
90 $self->pidl("TALLOC_CTX *out_mem_ctx;");
91 if (defined($fn->{RETURN_TYPE})) {
92 $self->pidl(mapTypeName($fn->{RETURN_TYPE}). " result;");
97 $self->pidl("static void $done_fn(struct tevent_req *subreq);");
101 sub ParseFunctionAsyncSend($$$)
103 my ($self, $if, $fn) = @_;
107 my $ufn = "NDR_".uc($fn->{NAME});
108 my $state_str = "struct rpccli_$fn->{NAME}_state";
109 my $done_fn = "rpccli_$fn->{NAME}_done";
110 my $out_mem_ctx = "rpccli_$fn->{NAME}_out_memory";
111 my $fn_str = "struct tevent_req *rpccli_$fn->{NAME}_send";
112 my $pad = genpad($fn_str);
114 $fn_args .= "TALLOC_CTX *mem_ctx";
115 $fn_args .= ",\n" . $pad . "struct tevent_context *ev";
116 $fn_args .= ",\n" . $pad . "struct rpc_pipe_client *cli";
118 foreach (@{$fn->{ELEMENTS}}) {
119 my $dir = ElementDirection($_);
120 my $prop = HeaderProperties($_->{PROPERTIES}, ["in", "out"]);
121 $fn_args .= ",\n" . $pad . DeclLong($_, "_") . " /* $dir $prop */";
124 $self->fn_declare("$fn_str($fn_args)");
127 $self->pidl("struct tevent_req *req;");
128 $self->pidl("$state_str *state;");
129 $self->pidl("struct tevent_req *subreq;");
131 $self->pidl("req = tevent_req_create(mem_ctx, &state,");
132 $self->pidl("\t\t\t$state_str);");
133 $self->pidl("if (req == NULL) {");
135 $self->pidl("return NULL;");
138 $self->pidl("state->out_mem_ctx = NULL;");
142 foreach (@{$fn->{ELEMENTS}}) {
143 if (grep(/out/, @{$_->{DIRECTION}})) {
148 if ($out_params > 0) {
149 $self->pidl("state->out_mem_ctx = talloc_named_const(state, 0,");
150 $self->pidl("\t\t \"$out_mem_ctx\");");
151 $self->pidl("if (tevent_req_nomem(state->out_mem_ctx, req)) {");
153 $self->pidl("return tevent_req_post(req, ev);");
159 $fn_str = "subreq = dcerpc_$fn->{NAME}_send";
160 $pad = "\t" . genpad($fn_str);
161 $fn_args = "state,\n" . $pad . "ev,\n" . $pad . "cli->binding_handle";
162 foreach (@{$fn->{ELEMENTS}}) {
163 $fn_args .= ",\n" . $pad . "_". $_->{NAME};
166 $self->pidl("$fn_str($fn_args);");
167 $self->pidl("if (tevent_req_nomem(subreq, req)) {");
169 $self->pidl("return tevent_req_post(req, ev);");
172 $self->pidl("tevent_req_set_callback(subreq, $done_fn, req);");
173 $self->pidl("return req;");
179 sub ParseFunctionAsyncDone($$$)
181 my ($self, $if, $fn) = @_;
183 my $state_str = "struct rpccli_$fn->{NAME}_state";
184 my $done_fn = "rpccli_$fn->{NAME}_done";
186 $self->pidl("static void $done_fn(struct tevent_req *subreq)");
189 $self->pidl("struct tevent_req *req = tevent_req_callback_data(");
190 $self->pidl("\tsubreq, struct tevent_req);");
191 $self->pidl("$state_str *state = tevent_req_data(");
192 $self->pidl("\treq, $state_str);");
193 $self->pidl("NTSTATUS status;");
194 $self->pidl("TALLOC_CTX *mem_ctx;");
197 $self->pidl("if (state->out_mem_ctx) {");
199 $self->pidl("mem_ctx = state->out_mem_ctx;");
201 $self->pidl("} else {");
203 $self->pidl("mem_ctx = state;");
208 my $fn_str = "status = dcerpc_$fn->{NAME}_recv";
209 my $pad = "\t" . genpad($fn_str);
210 my $fn_args = "subreq,\n" . $pad . "mem_ctx";
211 if (defined($fn->{RETURN_TYPE})) {
212 $fn_args .= ",\n" . $pad . "&state->result";
215 $self->pidl("$fn_str($fn_args);");
216 $self->pidl("TALLOC_FREE(subreq);");
217 $self->pidl("if (!NT_STATUS_IS_OK(status)) {");
219 $self->pidl("tevent_req_nterror(req, status);");
220 $self->pidl("return;");
225 $self->pidl("tevent_req_done(req);");
231 sub ParseFunctionAsyncRecv($$$)
233 my ($self, $if, $fn) = @_;
236 my $state_str = "struct rpccli_$fn->{NAME}_state";
237 my $fn_str = "NTSTATUS rpccli_$fn->{NAME}_recv";
238 my $pad = genpad($fn_str);
240 $fn_args .= "struct tevent_req *req,\n" . $pad . "TALLOC_CTX *mem_ctx";
242 if (defined($fn->{RETURN_TYPE})) {
243 $fn_args .= ",\n" . $pad . "$fn->{RETURN_TYPE} *result";
246 $self->fn_declare("$fn_str($fn_args)");
249 $self->pidl("$state_str *state = tevent_req_data(");
250 $self->pidl("\treq, $state_str);");
251 $self->pidl("NTSTATUS status;");
253 $self->pidl("if (tevent_req_is_nterror(req, &status)) {");
255 $self->pidl("tevent_req_received(req);");
256 $self->pidl("return status;");
261 $self->pidl("/* Steal possible out parameters to the callers context */");
262 $self->pidl("talloc_steal(mem_ctx, state->out_mem_ctx);");
265 if (defined($fn->{RETURN_TYPE})) {
266 $self->pidl("/* Return result */");
267 $self->pidl("*result = state->result;");
271 $self->pidl("tevent_req_received(req);");
272 $self->pidl("return NT_STATUS_OK;");
278 sub ParseFunctionSync($$$)
280 my ($self, $if, $fn) = @_;
284 my $ufn = "NDR_".uc($fn->{NAME});
285 my $fn_str = "NTSTATUS rpccli_$fn->{NAME}";
286 my $pad = genpad($fn_str);
288 $fn_args .= "struct rpc_pipe_client *cli,\n" . $pad . "TALLOC_CTX *mem_ctx";
290 foreach (@{$fn->{ELEMENTS}}) {
291 my $dir = ElementDirection($_);
292 my $prop = HeaderProperties($_->{PROPERTIES}, ["in", "out"]);
293 $fn_args .= ",\n" . $pad . DeclLong($_, "_") . " /* $dir $prop */";
296 if (defined($fn->{RETURN_TYPE}) && ($fn->{RETURN_TYPE} eq "WERROR")) {
297 $fn_args .= ",\n" . $pad . "WERROR *werror";
300 $self->fn_declare("$fn_str($fn_args)");
303 if (defined($fn->{RETURN_TYPE})) {
304 $self->pidl(mapTypeName($fn->{RETURN_TYPE})." result;");
306 $self->pidl("NTSTATUS status;");
309 $fn_str = "status = dcerpc_$fn->{NAME}";
310 $pad = "\t" . genpad($fn_str);
311 $fn_args = "cli->binding_handle,\n" . $pad . "mem_ctx";
312 foreach (@{$fn->{ELEMENTS}}) {
313 $fn_args .= ",\n" . $pad . "_". $_->{NAME};
315 if (defined($fn->{RETURN_TYPE})) {
316 $fn_args .= ",\n" . $pad . "&result";
319 $self->pidl("$fn_str($fn_args);");
320 $self->pidl("if (!NT_STATUS_IS_OK(status)) {");
322 $self->pidl("return status;");
327 $self->pidl("/* Return result */");
328 if (not $fn->{RETURN_TYPE}) {
329 $self->pidl("return NT_STATUS_OK;");
330 } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
331 $self->pidl("return result;");
332 } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
333 $self->pidl("if (werror) {");
335 $self->pidl("*werror = result;");
339 $self->pidl("return werror_to_ntstatus(result);");
341 warning($fn->{ORIGINAL}, "Unable to convert $fn->{RETURN_TYPE} to NTSTATUS");
342 $self->pidl("return NT_STATUS_OK;");
350 sub ParseFunction($$$)
352 my ($self, $if, $fn) = @_;
354 $self->ParseFunctionAsyncState($if, $fn);
355 $self->ParseFunctionAsyncSend($if, $fn);
356 $self->ParseFunctionAsyncDone($if, $fn);
357 $self->ParseFunctionAsyncRecv($if, $fn);
359 $self->ParseFunctionSync($if, $fn);
362 sub ParseInterface($$)
364 my ($self, $if) = @_;
366 my $uif = uc($if->{NAME});
368 $self->pidl_hdr("#ifndef __CLI_$uif\__");
369 $self->pidl_hdr("#define __CLI_$uif\__");
370 foreach my $fn (@{$if->{FUNCTIONS}}) {
371 next if has_property($fn, "noopnum");
372 next if has_property($fn, "todo");
375 foreach my $e (@{$fn->{ELEMENTS}}) {
376 if (ContainsPipe($e, $e->{LEVELS}[0])) {
383 $self->ParseFunction($if->{NAME}, $fn);
385 $self->pidl_hdr("#endif /* __CLI_$uif\__ */");
390 my($self,$ndr,$header,$c_header) = @_;
393 $self->pidl(" * Unix SMB/CIFS implementation.");
394 $self->pidl(" * client auto-generated by pidl. DO NOT MODIFY!");
397 $self->pidl("#include \"includes.h\"");
398 $self->pidl("#include \"$header\"");
399 $self->pidl_hdr("#include \"$c_header\"");
403 $self->ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
406 return ($self->{res}, $self->{res_hdr});