@ISA = qw(Exporter);
@EXPORT_OK = qw(Parse);
-use Parse::Pidl::Samba4 qw(choose_header is_intree);
-use Parse::Pidl::Util qw(has_property);
+use Parse::Pidl qw(fatal warning error);
+use Parse::Pidl::Util qw(has_property ParseExpr);
+use Parse::Pidl::Typelist qw(mapTypeName);
+use Parse::Pidl::Samba4 qw(choose_header is_intree DeclLong);
+use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv);
use vars qw($VERSION);
$VERSION = '0.01';
sub deindent($) { my ($self) = @_; $self->{tabs} = substr($self->{tabs}, 1); }
sub pidl($$) { my ($self,$txt) = @_; $self->{res} .= $txt ? "$self->{tabs}$txt\n" : "\n"; }
sub pidl_hdr($$) { my ($self, $txt) = @_; $self->{res_hdr} .= "$txt\n"; }
+sub pidl_both($$) { my ($self, $txt) = @_; $self->{hdr} .= "$txt\n"; $self->{res_hdr} .= "$txt\n"; }
sub fn_declare($$) { my ($self,$n) = @_; $self->pidl($n); $self->pidl_hdr("$n;"); }
sub genpad($)
$self->pidl("");
}
+sub ElementDirection($)
+{
+ my ($e) = @_;
+
+ return "[in,out]" if (has_property($e, "in") and has_property($e, "out"));
+ return "[in]" if (has_property($e, "in"));
+ return "[out]" if (has_property($e, "out"));
+ return "[in,out]";
+}
+
+sub HeaderProperties($$)
+{
+ my($props,$ignores) = @_;
+ my $ret = "";
+
+ foreach my $d (keys %{$props}) {
+ next if (grep(/^$d$/, @$ignores));
+ if($props->{$d} ne "1") {
+ $ret.= "$d($props->{$d}),";
+ } else {
+ $ret.="$d,";
+ }
+ }
+
+ if ($ret) {
+ return "[" . substr($ret, 0, -1) . "]";
+ }
+}
+
+sub ParseCopyInArgument($$$$$$)
+{
+ my ($self, $fn, $e, $r, $i, $invalid_response_type) = @_;
+ my $l = $e->{LEVELS}[0];
+
+ if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED} == 1) {
+ $self->pidl("memcpy(${r}in.$e->{NAME}, ${i}$e->{NAME}, sizeof(${r}in.$e->{NAME}));");
+ } else {
+ $self->pidl("${r}in.$e->{NAME} = ${i}$e->{NAME};");
+ }
+}
+
+sub ParseInvalidResponse($$)
+{
+ my ($self, $type) = @_;
+
+ if ($type eq "sync") {
+ $self->pidl("return NT_STATUS_INVALID_NETWORK_RESPONSE;");
+ } elsif ($type eq "async") {
+ $self->pidl("tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);");
+ $self->pidl("return;");
+ } else {
+ die("ParseInvalidResponse($type)");
+ }
+}
+
+sub ParseOutputArgument($$$$$$)
+{
+ my ($self, $fn, $e, $r, $o, $invalid_response_type) = @_;
+ my $level = 0;
+
+ if ($e->{LEVELS}[0]->{TYPE} ne "POINTER" and $e->{LEVELS}[0]->{TYPE} ne "ARRAY") {
+ fatal($e->{ORIGINAL}, "[out] argument is not a pointer or array");
+ return;
+ }
+
+ if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
+ $level = 1;
+ if ($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") {
+ $self->pidl("if ($o$e->{NAME} && ${r}out.$e->{NAME}) {");
+ $self->indent;
+ }
+ }
+
+ if ($e->{LEVELS}[$level]->{TYPE} eq "ARRAY") {
+ # This is a call to GenerateFunctionInEnv intentionally.
+ # Since the data is being copied into a user-provided data
+ # structure, the user should be able to know the size beforehand
+ # to allocate a structure of the right size.
+ my $in_env = GenerateFunctionInEnv($fn, $r);
+ my $out_env = GenerateFunctionOutEnv($fn, $r);
+ my $l = $e->{LEVELS}[$level];
+ unless (defined($l->{SIZE_IS})) {
+ fatal($e->{ORIGINAL}, "no size known for [out] array `$e->{NAME}'");
+ } else {
+ my $in_size_is = ParseExpr($l->{SIZE_IS}, $in_env, $e->{ORIGINAL});
+ my $out_size_is = ParseExpr($l->{SIZE_IS}, $out_env, $e->{ORIGINAL});
+ my $out_length_is = $out_size_is;
+ if (defined($l->{LENGTH_IS})) {
+ $out_length_is = ParseExpr($l->{LENGTH_IS}, $out_env, $e->{ORIGINAL});
+ }
+ if ($out_size_is ne $in_size_is) {
+ $self->pidl("if (($out_size_is) > ($in_size_is)) {");
+ $self->indent;
+ $self->ParseInvalidResponse($invalid_response_type);
+ $self->deindent;
+ $self->pidl("}");
+ }
+ if ($out_length_is ne $out_size_is) {
+ $self->pidl("if (($out_length_is) > ($out_size_is)) {");
+ $self->indent;
+ $self->ParseInvalidResponse($invalid_response_type);
+ $self->deindent;
+ $self->pidl("}");
+ }
+ if (has_property($e, "charset")) {
+ $self->pidl("memcpy(discard_const_p(uint8_t *, $o$e->{NAME}), ${r}out.$e->{NAME}, ($out_length_is) * sizeof(*$o$e->{NAME}));");
+ } else {
+ $self->pidl("memcpy($o$e->{NAME}, ${r}out.$e->{NAME}, ($out_length_is) * sizeof(*$o$e->{NAME}));");
+ }
+ }
+ } else {
+ $self->pidl("*$o$e->{NAME} = *${r}out.$e->{NAME};");
+ }
+
+ if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
+ if ($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") {
+ $self->deindent;
+ $self->pidl("}");
+ }
+ }
+}
+
+sub ParseFunction_State($$$$)
+{
+ my ($self, $if, $fn, $name) = @_;
+
+ my $state_str = "struct dcerpc_$name\_state";
+ my $done_fn = "dcerpc_$name\_done";
+
+ $self->pidl("$state_str {");
+ $self->indent;
+ $self->pidl("struct $name orig;");
+ $self->pidl("struct $name tmp;");
+ $self->pidl("TALLOC_CTX *out_mem_ctx;");
+ $self->deindent;
+ $self->pidl("};");
+ $self->pidl("");
+ $self->pidl("static void $done_fn(struct tevent_req *subreq);");
+ $self->pidl("");
+}
+
+sub ParseFunction_Send($$$$)
+{
+ my ($self, $if, $fn, $name) = @_;
+
+ my $fn_args = "";
+ my $state_str = "struct dcerpc_$name\_state";
+ my $done_fn = "dcerpc_$name\_done";
+ my $out_mem_ctx = "dcerpc_$name\_out_memory";
+ my $fn_str = "struct tevent_req *dcerpc_$name\_send";
+ my $pad = genpad($fn_str);
+
+ $fn_args .= "TALLOC_CTX *mem_ctx";
+ $fn_args .= ",\n" . $pad . "struct tevent_context *ev";
+ $fn_args .= ",\n" . $pad . "struct dcerpc_binding_handle *h";
+
+ foreach (@{$fn->{ELEMENTS}}) {
+ my $dir = ElementDirection($_);
+ my $prop = HeaderProperties($_->{PROPERTIES}, ["in", "out"]);
+ $fn_args .= ",\n" . $pad . DeclLong($_, "_") . " /* $dir $prop */";
+ }
+
+ $self->fn_declare("$fn_str($fn_args)");
+ $self->pidl("{");
+ $self->indent;
+ $self->pidl("struct tevent_req *req;");
+ $self->pidl("$state_str *state;");
+ $self->pidl("struct tevent_req *subreq;");
+ $self->pidl("");
+ $self->pidl("req = tevent_req_create(mem_ctx, &state,");
+ $self->pidl("\t\t\t$state_str);");
+ $self->pidl("if (req == NULL) {");
+ $self->indent;
+ $self->pidl("return NULL;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("state->out_mem_ctx = NULL;");
+ $self->pidl("");
+
+ $self->pidl("/* In parameters */");
+ foreach my $e (@{$fn->{ELEMENTS}}) {
+ next unless (grep(/in/, @{$e->{DIRECTION}}));
+
+ $self->ParseCopyInArgument($fn, $e, "state->orig.", "_", "async");
+ }
+ $self->pidl("");
+
+ my $out_params = 0;
+ $self->pidl("/* Out parameters */");
+ foreach (@{$fn->{ELEMENTS}}) {
+ if (grep(/out/, @{$_->{DIRECTION}})) {
+ $self->pidl("state->orig.out.$_->{NAME} = _$_->{NAME};");
+ $out_params++;
+ }
+ }
+ $self->pidl("");
+
+ if (defined($fn->{RETURN_TYPE})) {
+ $self->pidl("/* Result */");
+ $self->pidl("ZERO_STRUCT(state->orig.out.result);");
+ $self->pidl("");
+ }
+
+ if ($out_params > 0) {
+ $self->pidl("state->out_mem_ctx = talloc_named_const(state, 0,");
+ $self->pidl("\t\t \"$out_mem_ctx\");");
+ $self->pidl("if (tevent_req_nomem(state->out_mem_ctx, req)) {");
+ $self->indent;
+ $self->pidl("return tevent_req_post(req, ev);");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+ }
+
+ $self->pidl("/* make a temporary copy, that we pass to the dispatch function */");
+ $self->pidl("state->tmp = state->orig;");
+ $self->pidl("");
+
+ $self->pidl("subreq = dcerpc_$name\_r_send(state, ev, h, &state->tmp);");
+ $self->pidl("if (tevent_req_nomem(subreq, req)) {");
+ $self->indent;
+ $self->pidl("return tevent_req_post(req, ev);");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("tevent_req_set_callback(subreq, $done_fn, req);");
+ $self->pidl("return req;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+}
+
+sub ParseFunction_Done($$$$)
+{
+ my ($self, $if, $fn, $name) = @_;
+
+ my $state_str = "struct dcerpc_$name\_state";
+ my $done_fn = "dcerpc_$name\_done";
+
+ $self->pidl("static void $done_fn(struct tevent_req *subreq)");
+ $self->pidl("{");
+ $self->indent;
+ $self->pidl("struct tevent_req *req = tevent_req_callback_data(");
+ $self->pidl("\tsubreq, struct tevent_req);");
+ $self->pidl("$state_str *state = tevent_req_data(");
+ $self->pidl("\treq, $state_str);");
+ $self->pidl("NTSTATUS status;");
+ $self->pidl("TALLOC_CTX *mem_ctx;");
+ $self->pidl("");
+
+ $self->pidl("if (state->out_mem_ctx) {");
+ $self->indent;
+ $self->pidl("mem_ctx = state->out_mem_ctx;");
+ $self->deindent;
+ $self->pidl("} else {");
+ $self->indent;
+ $self->pidl("mem_ctx = state;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+
+ $self->pidl("status = dcerpc_$name\_r_recv(subreq, mem_ctx);");
+ $self->pidl("TALLOC_FREE(subreq);");
+ $self->pidl("if (!NT_STATUS_IS_OK(status)) {");
+ $self->indent;
+ $self->pidl("tevent_req_nterror(req, status);");
+ $self->pidl("return;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+
+ $self->pidl("/* Copy out parameters */");
+ foreach my $e (@{$fn->{ELEMENTS}}) {
+ next unless (grep(/out/, @{$e->{DIRECTION}}));
+
+ $self->ParseOutputArgument($fn, $e,
+ "state->tmp.",
+ "state->orig.out.",
+ "async");
+ }
+ $self->pidl("");
+
+ if (defined($fn->{RETURN_TYPE})) {
+ $self->pidl("/* Copy result */");
+ $self->pidl("state->orig.out.result = state->tmp.out.result;");
+ $self->pidl("");
+ }
+
+ $self->pidl("/* Reset temporary structure */");
+ $self->pidl("ZERO_STRUCT(state->tmp);");
+ $self->pidl("");
+
+ $self->pidl("tevent_req_done(req);");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+}
+
+sub ParseFunction_Recv($$$$)
+{
+ my ($self, $if, $fn, $name) = @_;
+
+ my $fn_args = "";
+ my $state_str = "struct dcerpc_$name\_state";
+ my $fn_str = "NTSTATUS dcerpc_$name\_recv";
+ my $pad = genpad($fn_str);
+
+ $fn_args .= "struct tevent_req *req,\n" . $pad . "TALLOC_CTX *mem_ctx";
+
+ if (defined($fn->{RETURN_TYPE})) {
+ $fn_args .= ",\n" . $pad . mapTypeName($fn->{RETURN_TYPE}). " *result";
+ }
+
+ $self->fn_declare("$fn_str($fn_args)");
+ $self->pidl("{");
+ $self->indent;
+ $self->pidl("$state_str *state = tevent_req_data(");
+ $self->pidl("\treq, $state_str);");
+ $self->pidl("NTSTATUS status;");
+ $self->pidl("");
+ $self->pidl("if (tevent_req_is_nterror(req, &status)) {");
+ $self->indent;
+ $self->pidl("tevent_req_received(req);");
+ $self->pidl("return status;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+
+ $self->pidl("/* Steal possbile out parameters to the callers context */");
+ $self->pidl("talloc_steal(mem_ctx, state->out_mem_ctx);");
+ $self->pidl("");
+
+ if (defined($fn->{RETURN_TYPE})) {
+ $self->pidl("/* Return result */");
+ $self->pidl("*result = state->orig.out.result;");
+ $self->pidl("");
+ }
+
+ $self->pidl("tevent_req_received(req);");
+ $self->pidl("return NT_STATUS_OK;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+}
+
+sub ParseFunction_Sync($$$$)
+{
+ my ($self, $if, $fn, $name) = @_;
+
+ my $fn_args = "";
+ my $fn_str = "NTSTATUS dcerpc_$name";
+ my $pad = genpad($fn_str);
+
+ $fn_args .= "struct dcerpc_binding_handle *h,\n" . $pad . "TALLOC_CTX *mem_ctx";
+
+ foreach (@{$fn->{ELEMENTS}}) {
+ my $dir = ElementDirection($_);
+ my $prop = HeaderProperties($_->{PROPERTIES}, ["in", "out"]);
+ $fn_args .= ",\n" . $pad . DeclLong($_, "_") . " /* $dir $prop */";
+ }
+
+ if (defined($fn->{RETURN_TYPE})) {
+ $fn_args .= ",\n" . $pad . mapTypeName($fn->{RETURN_TYPE}). " *result";
+ }
+
+ $self->fn_declare("$fn_str($fn_args)");
+ $self->pidl("{");
+ $self->indent;
+ $self->pidl("struct $name r;");
+ $self->pidl("NTSTATUS status;");
+ $self->pidl("");
+ $self->pidl("/* In parameters */");
+
+ foreach my $e (@{$fn->{ELEMENTS}}) {
+ next unless (grep(/in/, @{$e->{DIRECTION}}));
+
+ $self->ParseCopyInArgument($fn, $e, "r.", "_", "sync");
+ }
+
+ $self->pidl("");
+ $self->pidl("status = dcerpc_$name\_r(h, mem_ctx, &r);");
+ $self->pidl("if (!NT_STATUS_IS_OK(status)) {");
+ $self->indent;
+ $self->pidl("return status;");
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+
+ $self->pidl("/* Return variables */");
+ foreach my $e (@{$fn->{ELEMENTS}}) {
+ next unless (grep(/out/, @{$e->{DIRECTION}}));
+
+ $self->ParseOutputArgument($fn, $e, "r.", "_", "sync");
+ }
+ $self->pidl("");
+
+ $self->pidl("/* Return result */");
+ if ($fn->{RETURN_TYPE}) {
+ $self->pidl("*result = r.out.result;");
+ }
+ $self->pidl("");
+
+ $self->pidl("return NT_STATUS_OK;");
+
+ $self->deindent;
+ $self->pidl("}");
+ $self->pidl("");
+}
+
#####################################################################
# parse a function
sub ParseFunction($$$)
$self->ParseFunction_r_Recv($if, $fn, $fn->{NAME});
$self->ParseFunction_r_Sync($if, $fn, $fn->{NAME});
+ foreach my $e (@{$fn->{ELEMENTS}}) {
+ next unless (grep(/out/, @{$e->{DIRECTION}}));
+
+ my $reason = "is not a pointer or array";
+
+ # TODO: make this fatal at NDR level
+ if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
+ if ($e->{LEVELS}[1]->{TYPE} eq "DATA" and
+ $e->{LEVELS}[1]->{DATA_TYPE} eq "string") {
+ $reason = "is a pointer to type 'string'";
+ } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY" and
+ not defined($e->{LEVELS}[1]->{SIZE_IS})) {
+ $reason = "is a pointer to an unsized array";
+ } else {
+ next;
+ }
+ }
+ if ($e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
+ if (not defined($e->{LEVELS}[0]->{SIZE_IS})) {
+ $reason = "is a pointer to an unsized array";
+ } else {
+ next;
+ }
+ }
+
+ $self->pidl_both("/*");
+ $self->pidl_both(" * The following functions are skipped because");
+ $self->pidl_both(" * an [out] argument $e->{NAME} $reason:");
+ $self->pidl_both(" *");
+ $self->pidl_both(" * dcerpc_$fn->{NAME}_send()");
+ $self->pidl_both(" * dcerpc_$fn->{NAME}_recv()");
+ $self->pidl_both(" * dcerpc_$fn->{NAME}()");
+ $self->pidl_both(" */");
+ $self->pidl_both("");
+
+ error($e->{ORIGINAL}, "$fn->{NAME}: [out] argument '$e->{NAME}' $reason, skip client functions");
+ return;
+ }
+
+ $self->ParseFunction_State($if, $fn, $fn->{NAME});
+ $self->ParseFunction_Send($if, $fn, $fn->{NAME});
+ $self->ParseFunction_Done($if, $fn, $fn->{NAME});
+ $self->ParseFunction_Recv($if, $fn, $fn->{NAME});
+ $self->ParseFunction_Sync($if, $fn, $fn->{NAME});
+
$self->pidl_hdr("");
}
$self->pidl("#include <stdlib.h>");
$self->pidl("#include <stdint.h>");
$self->pidl("#include <stdarg.h>");
+ $self->pidl("#include <string.h>");
$self->pidl("#include <core/ntstatus.h>");
}
$self->pidl("#include <tevent.h>");
git.samba.org / ira / wip.git / blobdiff