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 $res_hdr);
15 use Parse::Pidl qw(fatal warning);
16 use Parse::Pidl::Typelist qw(hasType getType mapTypeName scalar_is_reference);
17 use Parse::Pidl::Util qw(has_property is_constant ParseExpr);
18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
19 use Parse::Pidl::Samba4 qw(DeclLong);
20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv);
22 use vars qw($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($$) { my ($self,$n) = @_; $self->pidl($n); $self->pidl_hdr("$n;"); }
34 my $nt = int((length($s)+1)/8);
36 my $ns = (length($s)-$lt);
37 return "\t"x($nt)." "x($ns);
43 my $self = { res => "", res_hdr => "", tabs => "" };
47 sub ElementDirection($)
51 return "[in,out]" if (has_property($e, "in") and has_property($e, "out"));
52 return "[in]" if (has_property($e, "in"));
53 return "[out]" if (has_property($e, "out"));
57 sub HeaderProperties($$)
59 my($props,$ignores) = @_;
62 foreach my $d (keys %{$props}) {
63 next if (grep(/^$d$/, @$ignores));
64 if($props->{$d} ne "1") {
65 $ret.= "$d($props->{$d}),";
72 return "[" . substr($ret, 0, -1) . "]";
77 sub ParseFunction($$$)
79 my ($self, $if, $fn) = @_;
83 my $ufn = "NDR_".uc($fn->{NAME});
84 my $fn_str = "NTSTATUS rpccli_$fn->{NAME}";
85 my $pad = genpad($fn_str);
87 $fn_args .= "struct rpc_pipe_client *cli,\n" . $pad . "TALLOC_CTX *mem_ctx";
89 foreach (@{$fn->{ELEMENTS}}) {
90 my $dir = ElementDirection($_);
91 my $prop = HeaderProperties($_->{PROPERTIES}, ["in", "out"]);
92 $fn_args .= ",\n" . $pad . DeclLong($_) . " /* $dir $prop */";
95 if (defined($fn->{RETURN_TYPE}) && ($fn->{RETURN_TYPE} eq "WERROR")) {
96 $fn_args .= ",\n" . $pad . "WERROR *werror";
99 $self->fn_declare("$fn_str($fn_args)");
102 $self->pidl("struct $fn->{NAME} r;");
103 $self->pidl("NTSTATUS status;");
105 $self->pidl("/* In parameters */");
107 foreach (@{$fn->{ELEMENTS}}) {
108 if (grep(/in/, @{$_->{DIRECTION}})) {
109 $self->pidl("r.in.$_->{NAME} = $_->{NAME};");
114 $self->pidl("if (DEBUGLEVEL >= 10) {");
116 $self->pidl("NDR_PRINT_IN_DEBUG($fn->{NAME}, &r);");
120 $self->pidl("status = cli_do_rpc_ndr(cli,");
121 $self->pidl("\t\t\tmem_ctx,");
122 $self->pidl("\t\t\tPI_$uif,");
123 $self->pidl("\t\t\t&ndr_table_$if,");
124 $self->pidl("\t\t\t$ufn,");
125 $self->pidl("\t\t\t&r);");
128 $self->pidl("if (!NT_STATUS_IS_OK(status)) {");
130 $self->pidl("return status;");
135 $self->pidl("if (DEBUGLEVEL >= 10) {");
137 $self->pidl("NDR_PRINT_OUT_DEBUG($fn->{NAME}, &r);");
141 $self->pidl("if (NT_STATUS_IS_ERR(status)) {");
143 $self->pidl("return status;");
147 $self->pidl("/* Return variables */");
148 foreach my $e (@{$fn->{ELEMENTS}}) {
149 next unless (grep(/out/, @{$e->{DIRECTION}}));
152 fatal($e->{ORIGINAL}, "[out] argument is not a pointer or array") if ($e->{LEVELS}[0]->{TYPE} ne "POINTER" and $e->{LEVELS}[0]->{TYPE} ne "ARRAY");
154 if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
156 if ($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") {
157 $self->pidl("if ($e->{NAME} && r.out.$e->{NAME}) {");
162 if ($e->{LEVELS}[$level]->{TYPE} eq "ARRAY") {
163 # This is a call to GenerateFunctionInEnv intentionally.
164 # Since the data is being copied into a user-provided data
165 # structure, the user should be able to know the size beforehand
166 # to allocate a structure of the right size.
167 my $env = GenerateFunctionInEnv($fn, "r.");
168 my $size_is = ParseExpr($e->{LEVELS}[$level]->{SIZE_IS}, $env, $e->{ORIGINAL});
169 $self->pidl("memcpy($e->{NAME}, r.out.$e->{NAME}, $size_is);");
171 $self->pidl("*$e->{NAME} = *r.out.$e->{NAME};");
174 if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
175 if ($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") {
183 $self->pidl("/* Return result */");
184 if (not $fn->{RETURN_TYPE}) {
185 $self->pidl("return NT_STATUS_OK;");
186 } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
187 $self->pidl("return r.out.result;");
188 } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
189 $self->pidl("if (werror) {");
191 $self->pidl("*werror = r.out.result;");
195 $self->pidl("return werror_to_ntstatus(r.out.result);");
197 warning($fn->{ORIGINAL}, "Unable to convert $fn->{RETURN_TYPE} to NTSTATUS");
198 $self->pidl("return NT_STATUS_OK;");
206 sub ParseInterface($$)
208 my ($self, $if) = @_;
210 my $uif = uc($if->{NAME});
212 $self->pidl_hdr("#ifndef __CLI_$uif\__");
213 $self->pidl_hdr("#define __CLI_$uif\__");
214 $self->ParseFunction($if->{NAME}, $_) foreach (@{$if->{FUNCTIONS}});
215 $self->pidl_hdr("#endif /* __CLI_$uif\__ */");
220 my($self,$ndr,$header,$ndr_header) = @_;
223 $self->pidl(" * Unix SMB/CIFS implementation.");
224 $self->pidl(" * client auto-generated by pidl. DO NOT MODIFY!");
227 $self->pidl("#include \"includes.h\"");
228 $self->pidl("#include \"$header\"");
229 $self->pidl_hdr("#include \"$ndr_header\"");
233 $self->ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
236 return ($self->{res}, $self->{res_hdr});