source/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm

   1 ###################################################
   2 # Samba4 NDR parser generator for IDL structures
   3 # Copyright tridge@samba.org 2000-2003
   4 # Copyright tpot@samba.org 2001
   5 # Copyright jelmer@samba.org 2004-2006
   6 # released under the GNU GPL
   7
   8 package Parse::Pidl::Samba4::NDR::Parser;
   9
  10 require Exporter;
  11 @ISA = qw(Exporter);
  12 @EXPORT_OK = qw(check_null_pointer NeededFunction NeededElement NeededType $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($VERSION);
  24 $VERSION = '0.01';
  25
  26 # list of known types
  27 my %typefamily;
  28
  29 sub new($$) {
  30         my ($class) = @_;
  31         my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
  32         bless($self, $class);
  33 }
  34
  35 sub get_typefamily($)
  36 {
  37         my $n = shift;
  38         return $typefamily{$n};
  39 }
  40
  41 sub append_prefix($$)
  42 {
  43         my ($e, $var_name) = @_;
  44         my $pointers = 0;
  45         my $arrays = 0;
  46
  47         foreach my $l (@{$e->{LEVELS}}) {
  48                 if ($l->{TYPE} eq "POINTER") {
  49                         $pointers++;
  50                 } elsif ($l->{TYPE} eq "ARRAY") {
  51                         $arrays++;
  52                         if (($pointers == 0) and
  53                             (not $l->{IS_FIXED}) and
  54                             (not $l->{IS_INLINE})) {
  55                                 return get_value_of($var_name);
  56                         }
  57                 } elsif ($l->{TYPE} eq "DATA") {
  58                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  59                                 return get_value_of($var_name) unless ($pointers or $arrays);
  60                         }
  61                 }
  62         }
  63
  64         return $var_name;
  65 }
  66
  67 sub has_fast_array($$)
  68 {
  69         my ($e,$l) = @_;
  70
  71         return 0 if ($l->{TYPE} ne "ARRAY");
  72
  73         my $nl = GetNextLevel($e,$l);
  74         return 0 unless ($nl->{TYPE} eq "DATA");
  75         return 0 unless (hasType($nl->{DATA_TYPE}));
  76
  77         my $t = getType($nl->{DATA_TYPE});
  78
  79         # Only uint8 and string have fast array functions at the moment
  80         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  81 }
  82
  83
  84 ####################################
  85 # pidl() is our basic output routine
  86 sub pidl($$)
  87 {
  88         my ($self, $d) = @_;
  89         if ($d) {
  90                 $self->{res} .= $self->{tabs};
  91                 $self->{res} .= $d;
  92         }
  93         $self->{res} .="\n";
  94 }
  95
  96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
  97
  98 ####################################
  99 # defer() is like pidl(), but adds to
 100 # a deferred buffer which is then added to the
 101 # output buffer at the end of the structure/union/function
 102 # This is needed to cope with code that must be pushed back
 103 # to the end of a block of elements
 104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
 105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
 106
 107 sub defer($$)
 108 {
 109         my ($self, $d) = @_;
 110         if ($d) {
 111                 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
 112         }
 113 }
 114
 115 ########################################
 116 # add the deferred content to the current
 117 # output
 118 sub add_deferred($)
 119 {
 120         my ($self) = @_;
 121         $self->pidl($_) foreach (@{$self->{deferred}});
 122         $self->{deferred} = [];
 123         $self->{defer_tabs} = "";
 124 }
 125
 126 sub indent($)
 127 {
 128         my ($self) = @_;
 129         $self->{tabs} .= "\t";
 130 }
 131
 132 sub deindent($)
 133 {
 134         my ($self) = @_;
 135         $self->{tabs} = substr($self->{tabs}, 0, -1);
 136 }
 137
 138 #####################################################################
 139 # declare a function public or static, depending on its attributes
 140 sub fn_declare($$$$)
 141 {
 142         my ($self,$type,$fn,$decl) = @_;
 143
 144         if (has_property($fn, "no$type")) {
 145                 $self->pidl_hdr("$decl;");
 146                 return 0;
 147         }
 148
 149         if (has_property($fn, "public")) {
 150                 $self->pidl_hdr("$decl;");
 151                 $self->pidl("_PUBLIC_ $decl");
 152         } else {
 153                 $self->pidl("static $decl");
 154         }
 155
 156         return 1;
 157 }
 158
 159 ###################################################################
 160 # setup any special flags for an element or structure
 161 sub start_flags($$)
 162 {
 163         my ($self, $e) = @_;
 164         my $flags = has_property($e, "flag");
 165         if (defined $flags) {
 166                 $self->pidl("{");
 167                 $self->indent;
 168                 $self->pidl("uint32_t _flags_save_$e->{TYPE} = ndr->flags;");
 169                 $self->pidl("ndr_set_flags(&ndr->flags, $flags);");
 170         }
 171 }
 172
 173 ###################################################################
 174 # end any special flags for an element or structure
 175 sub end_flags($$)
 176 {
 177         my ($self, $e) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201         } else {
 202                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 204         }
 205
 206         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 207                 $self->pidl("NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $size));");
 208         }
 209
 210         if ($l->{IS_VARYING}) {
 211                 $self->pidl("NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, 0));");  # array offset
 212                 $self->pidl("NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $length));");
 213         }
 214
 215         return $length;
 216 }
 217
 218 sub check_fully_dereferenced($$)
 219 {
 220         my ($element, $env) = @_;
 221
 222         return sub ($) {
 223                 my $origvar = shift;
 224                 my $check = 0;
 225
 226                 # Figure out the number of pointers in $ptr
 227                 my $expandedvar = $origvar;
 228                 $expandedvar =~ s/^(\**)//;
 229                 my $ptr = $1;
 230
 231                 my $var = undef;
 232                 foreach (keys %$env) {
 233                         if ($env->{$_} eq $expandedvar) {
 234                                 $var = $_;
 235                                 last;
 236                         }
 237                 }
 238
 239                 return($origvar) unless (defined($var));
 240                 my $e;
 241                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 242                         if ($_->{NAME} eq $var) {
 243                                 $e = $_;
 244                                 last;
 245                         }
 246                 }
 247
 248                 $e or die("Environment doesn't match siblings");
 249
 250                 # See if pointer at pointer level $level
 251                 # needs to be checked.
 252                 my $nump = 0;
 253                 foreach (@{$e->{LEVELS}}) {
 254                         if ($_->{TYPE} eq "POINTER") {
 255                                 $nump = $_->{POINTER_INDEX}+1;
 256                         }
 257                 }
 258                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 259                 return ($origvar);
 260         }
 261 }
 262
 263 sub check_null_pointer($$$$)
 264 {
 265         my ($element, $env, $print_fn, $return) = @_;
 266
 267         return sub ($) {
 268                 my $expandedvar = shift;
 269                 my $check = 0;
 270
 271                 # Figure out the number of pointers in $ptr
 272                 $expandedvar =~ s/^(\**)//;
 273                 my $ptr = $1;
 274
 275                 my $var = undef;
 276                 foreach (keys %$env) {
 277                         if ($env->{$_} eq $expandedvar) {
 278                                 $var = $_;
 279                                 last;
 280                         }
 281                 }
 282
 283                 if (defined($var)) {
 284                         my $e;
 285                         # lookup ptr in $e
 286                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 287                                 if ($_->{NAME} eq $var) {
 288                                         $e = $_;
 289                                         last;
 290                                 }
 291                         }
 292
 293                         $e or die("Environment doesn't match siblings");
 294
 295                         # See if pointer at pointer level $level
 296                         # needs to be checked.
 297                         foreach my $l (@{$e->{LEVELS}}) {
 298                                 if ($l->{TYPE} eq "POINTER" and
 299                                         $l->{POINTER_INDEX} == length($ptr)) {
 300                                         # No need to check ref pointers
 301                                         $check = ($l->{POINTER_TYPE} ne "ref");
 302                                         last;
 303                                 }
 304
 305                                 if ($l->{TYPE} eq "DATA") {
 306                                         warning($element, "too much dereferences for `$var'");
 307                                 }
 308                         }
 309                 } else {
 310                         warning($element, "unknown dereferenced expression `$expandedvar'");
 311                         $check = 1;
 312                 }
 313
 314                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 315         }
 316 }
 317
 318 #####################################################################
 319 # parse an array - pull side
 320 sub ParseArrayPullHeader($$$$$$)
 321 {
 322         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 323
 324         my $length;
 325         my $size;
 326
 327         if ($l->{IS_CONFORMANT}) {
 328                 $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 329         } elsif ($l->{IS_ZERO_TERMINATED}) { # Noheader arrays
 330                 $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 331         } else {
 332                 $length = $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 333                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 334                                            "return ndr_pull_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 335                         check_fully_dereferenced($e, $env));
 336         }
 337
 338         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 339                 $self->pidl("NDR_CHECK(ndr_pull_array_size(ndr, " . get_pointer_to($var_name) . "));");
 340         }
 341
 342         if ($l->{IS_VARYING}) {
 343                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 344                 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 345         }
 346
 347         if ($length ne $size) {
 348                 $self->pidl("if ($length > $size) {");
 349                 $self->indent;
 350                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);");
 351                 $self->deindent;
 352                 $self->pidl("}");
 353         }
 354
 355         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
 356                 $self->defer("if ($var_name) {");
 357                 $self->defer_indent;
 358                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 359                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 360                                            "return ndr_pull_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 361                         check_fully_dereferenced($e, $env));
 362                 $self->defer("NDR_CHECK(ndr_check_array_size(ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 363                 $self->defer_deindent;
 364                 $self->defer("}");
 365         }
 366
 367         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
 368                 $self->defer("if ($var_name) {");
 369                 $self->defer_indent;
 370                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 371                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 372                                            "return ndr_pull_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 373                         check_fully_dereferenced($e, $env));
 374                 $self->defer("NDR_CHECK(ndr_check_array_length(ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 375                 $self->defer_deindent;
 376                 $self->defer("}");
 377         }
 378
 379         if (not $l->{IS_FIXED} and not is_charset_array($e, $l)) {
 380                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$size);
 381         }
 382
 383         return $length;
 384 }
 385
 386 sub compression_alg($$)
 387 {
 388         my ($e, $l) = @_;
 389         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 390
 391         return $alg;
 392 }
 393
 394 sub compression_clen($$$)
 395 {
 396         my ($e, $l, $env) = @_;
 397         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 398
 399         return ParseExpr($clen, $env, $e->{ORIGINAL});
 400 }
 401
 402 sub compression_dlen($$$)
 403 {
 404         my ($e,$l,$env) = @_;
 405         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 406
 407         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 408 }
 409
 410 sub ParseCompressionPushStart($$$$$)
 411 {
 412         my ($self,$e,$l,$ndr,$env) = @_;
 413         my $comndr = "$ndr\_compressed";
 414         my $alg = compression_alg($e, $l);
 415         my $dlen = compression_dlen($e, $l, $env);
 416
 417         $self->pidl("{");
 418         $self->indent;
 419         $self->pidl("struct ndr_push *$comndr;");
 420         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 421
 422         return $comndr;
 423 }
 424
 425 sub ParseCompressionPushEnd($$$$$)
 426 {
 427         my ($self,$e,$l,$ndr,$env) = @_;
 428         my $comndr = "$ndr\_compressed";
 429         my $alg = compression_alg($e, $l);
 430         my $dlen = compression_dlen($e, $l, $env);
 431
 432         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 433         $self->deindent;
 434         $self->pidl("}");
 435 }
 436
 437 sub ParseCompressionPullStart($$$$$)
 438 {
 439         my ($self,$e,$l,$ndr,$env) = @_;
 440         my $comndr = "$ndr\_compressed";
 441         my $alg = compression_alg($e, $l);
 442         my $dlen = compression_dlen($e, $l, $env);
 443
 444         $self->pidl("{");
 445         $self->indent;
 446         $self->pidl("struct ndr_pull *$comndr;");
 447         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 448
 449         return $comndr;
 450 }
 451
 452 sub ParseCompressionPullEnd($$$$$)
 453 {
 454         my ($self,$e,$l,$ndr,$env) = @_;
 455         my $comndr = "$ndr\_compressed";
 456         my $alg = compression_alg($e, $l);
 457         my $dlen = compression_dlen($e, $l, $env);
 458
 459         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 460         $self->deindent;
 461         $self->pidl("}");
 462 }
 463
 464 sub ParseSubcontextPushStart($$$$$)
 465 {
 466         my ($self,$e,$l,$ndr,$env) = @_;
 467         my $subndr = "_ndr_$e->{NAME}";
 468         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 469
 470         $self->pidl("{");
 471         $self->indent;
 472         $self->pidl("struct ndr_push *$subndr;");
 473         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 474
 475         if (defined $l->{COMPRESSION}) {
 476                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 477         }
 478
 479         return $subndr;
 480 }
 481
 482 sub ParseSubcontextPushEnd($$$$$)
 483 {
 484         my ($self,$e,$l,$ndr,$env) = @_;
 485         my $subndr = "_ndr_$e->{NAME}";
 486         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 487
 488         if (defined $l->{COMPRESSION}) {
 489                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 490         }
 491
 492         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 493         $self->deindent;
 494         $self->pidl("}");
 495 }
 496
 497 sub ParseSubcontextPullStart($$$$$)
 498 {
 499         my ($self,$e,$l,$ndr,$env) = @_;
 500         my $subndr = "_ndr_$e->{NAME}";
 501         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 502
 503         $self->pidl("{");
 504         $self->indent;
 505         $self->pidl("struct ndr_pull *$subndr;");
 506         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 507
 508         if (defined $l->{COMPRESSION}) {
 509                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 510         }
 511
 512         return $subndr;
 513 }
 514
 515 sub ParseSubcontextPullEnd($$$$$)
 516 {
 517         my ($self,$e,$l,$ndr,$env) = @_;
 518         my $subndr = "_ndr_$e->{NAME}";
 519         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 520
 521         if (defined $l->{COMPRESSION}) {
 522                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 523         }
 524
 525         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 526         $self->deindent;
 527         $self->pidl("}");
 528 }
 529
 530 sub ParseElementPushLevel
 531 {
 532         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 533
 534         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 535
 536         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 537                 $var_name = get_pointer_to($var_name);
 538         }
 539
 540         if (defined($ndr_flags)) {
 541                 if ($l->{TYPE} eq "SUBCONTEXT") {
 542                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 543                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 544                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 545                 } elsif ($l->{TYPE} eq "POINTER") {
 546                         $self->ParsePtrPush($e, $l, $var_name);
 547                 } elsif ($l->{TYPE} eq "ARRAY") {
 548                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 549
 550                         my $nl = GetNextLevel($e, $l);
 551
 552                         # Allow speedups for arrays of scalar types
 553                         if (is_charset_array($e,$l)) {
 554                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 555                                 return;
 556                         } elsif (has_fast_array($e,$l)) {
 557                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 558                                 return;
 559                         }
 560                 } elsif ($l->{TYPE} eq "SWITCH") {
 561                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 562                 } elsif ($l->{TYPE} eq "DATA") {
 563                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 564                 }
 565         }
 566
 567         if ($l->{TYPE} eq "POINTER" and $deferred) {
 568                 if ($l->{POINTER_TYPE} ne "ref") {
 569                         $self->pidl("if ($var_name) {");
 570                         $self->indent;
 571                         if ($l->{POINTER_TYPE} eq "relative") {
 572                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2(ndr, $var_name));");
 573                         }
 574                 }
 575                 $var_name = get_value_of($var_name);
 576                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 577
 578                 if ($l->{POINTER_TYPE} ne "ref") {
 579                         $self->deindent;
 580                         $self->pidl("}");
 581                 }
 582         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 583                 not is_charset_array($e, $l)) {
 584                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 585                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 586
 587                 $var_name = get_array_element($var_name, $counter);
 588
 589                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
 590                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 591                         $self->indent;
 592                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 593                         $self->deindent;
 594                         $self->pidl("}");
 595                 }
 596
 597                 if ($deferred and ContainsDeferred($e, $l)) {
 598                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 599                         $self->indent;
 600                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 601                         $self->deindent;
 602                         $self->pidl("}");
 603                 }
 604         } elsif ($l->{TYPE} eq "SWITCH") {
 605                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 606         }
 607 }
 608
 609 #####################################################################
 610 # parse scalars in a structure element
 611 sub ParseElementPush($$$$$$)
 612 {
 613         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 614         my $subndr = undef;
 615
 616         my $var_name = $env->{$e->{NAME}};
 617
 618         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 619
 620         # Representation type is different from transmit_as
 621         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 622                 $self->pidl("{");
 623                 $self->indent;
 624                 my $transmit_name = "_transmit_$e->{NAME}";
 625                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 626                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 627                 $var_name = $transmit_name;
 628         }
 629
 630         $var_name = append_prefix($e, $var_name);
 631
 632         $self->start_flags($e);
 633
 634         if (defined(my $value = has_property($e, "value"))) {
 635                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 636         }
 637
 638         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 639
 640         $self->end_flags($e);
 641
 642         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 643                 $self->deindent;
 644                 $self->pidl("}");
 645         }
 646 }
 647
 648 #####################################################################
 649 # parse a pointer in a struct element or function
 650 sub ParsePtrPush($$$$)
 651 {
 652         my ($self,$e,$l,$var_name) = @_;
 653
 654         if ($l->{POINTER_TYPE} eq "ref") {
 655                 $self->pidl("if ($var_name == NULL) {");
 656                 $self->indent;
 657                 $self->pidl("return ndr_push_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 658                 $self->deindent;
 659                 $self->pidl("}");
 660                 if ($l->{LEVEL} eq "EMBEDDED") {
 661                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 662                 }
 663         } elsif ($l->{POINTER_TYPE} eq "relative") {
 664                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1(ndr, $var_name));");
 665         } elsif ($l->{POINTER_TYPE} eq "unique") {
 666                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr(ndr, $var_name));");
 667         } elsif ($l->{POINTER_TYPE} eq "full") {
 668                 $self->pidl("NDR_CHECK(ndr_push_full_ptr(ndr, $var_name));");
 669         } else {
 670                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 671         }
 672 }
 673
 674 sub need_pointer_to($$$)
 675 {
 676         my ($e, $l, $scalar_only) = @_;
 677
 678         my $t;
 679         if (ref($l->{DATA_TYPE})) {
 680                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 681         } else {
 682                 $t = $l->{DATA_TYPE};
 683         }
 684
 685         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 686                 return 1 if $scalar_only;
 687         }
 688
 689         my $arrays = 0;
 690
 691         foreach my $tl (@{$e->{LEVELS}}) {
 692                 last if $l == $tl;
 693                 if ($tl->{TYPE} eq "ARRAY") {
 694                         $arrays++;
 695                 }
 696         }
 697
 698         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 699                 return 1 unless $arrays;
 700         }
 701
 702         return 0;
 703 }
 704
 705 sub ParseDataPrint($$$$)
 706 {
 707         my ($self, $e, $l, $var_name) = @_;
 708
 709         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 710
 711                 if (need_pointer_to($e, $l, 1)) {
 712                         $var_name = get_pointer_to($var_name);
 713                 }
 714
 715                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."(ndr, \"$e->{NAME}\", $var_name);");
 716         } else {
 717                 $self->ParseTypePrint($l->{DATA_TYPE}, $var_name);
 718         }
 719 }
 720
 721 #####################################################################
 722 # print scalars in a structure element
 723 sub ParseElementPrint($$$$)
 724 {
 725         my($self, $e, $var_name, $env) = @_;
 726
 727         return if (has_property($e, "noprint"));
 728
 729         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 730                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}(ndr, \"$e->{NAME}\", $var_name);");
 731                 return;
 732         }
 733
 734         $var_name = append_prefix($e, $var_name);
 735
 736         if (defined(my $value = has_property($e, "value"))) {
 737                 $var_name = "(ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 738         }
 739
 740         foreach my $l (@{$e->{LEVELS}}) {
 741                 if ($l->{TYPE} eq "POINTER") {
 742                         $self->pidl("ndr_print_ptr(ndr, \"$e->{NAME}\", $var_name);");
 743                         $self->pidl("ndr->depth++;");
 744                         if ($l->{POINTER_TYPE} ne "ref") {
 745                                 $self->pidl("if ($var_name) {");
 746                                 $self->indent;
 747                         }
 748                         $var_name = get_value_of($var_name);
 749                 } elsif ($l->{TYPE} eq "ARRAY") {
 750                         my $length;
 751
 752                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 753                                 $var_name = get_pointer_to($var_name);
 754                         }
 755
 756                         if ($l->{IS_ZERO_TERMINATED}) {
 757                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 758                         } else {
 759                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 760                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 761                         }
 762
 763                         if (is_charset_array($e,$l)) {
 764                                 $self->pidl("ndr_print_string(ndr, \"$e->{NAME}\", $var_name);");
 765                                 last;
 766                         } elsif (has_fast_array($e, $l)) {
 767                                 my $nl = GetNextLevel($e, $l);
 768                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}(ndr, \"$e->{NAME}\", $var_name, $length);");
 769                                 last;
 770                         } else {
 771                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 772
 773                                 $self->pidl("ndr->print(ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", $length);");
 774                                 $self->pidl("ndr->depth++;");
 775                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 776                                 $self->indent;
 777                                 $self->pidl("char *idx_$l->{LEVEL_INDEX}=NULL;");
 778                                 $self->pidl("if (asprintf(&idx_$l->{LEVEL_INDEX}, \"[\%d]\", $counter) != -1) {");
 779                                 $self->indent;
 780
 781                                 $var_name = get_array_element($var_name, $counter);
 782                         }
 783                 } elsif ($l->{TYPE} eq "DATA") {
 784                         $self->ParseDataPrint($e, $l, $var_name);
 785                 } elsif ($l->{TYPE} eq "SWITCH") {
 786                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 787                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 788                         $self->pidl("ndr_print_set_switch_value(ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 789                 }
 790         }
 791
 792         foreach my $l (reverse @{$e->{LEVELS}}) {
 793                 if ($l->{TYPE} eq "POINTER") {
 794                         if ($l->{POINTER_TYPE} ne "ref") {
 795                                 $self->deindent;
 796                                 $self->pidl("}");
 797                         }
 798                         $self->pidl("ndr->depth--;");
 799                 } elsif (($l->{TYPE} eq "ARRAY")
 800                         and not is_charset_array($e,$l)
 801                         and not has_fast_array($e,$l)) {
 802                         $self->pidl("free(idx_$l->{LEVEL_INDEX});");
 803                         $self->deindent;
 804                         $self->pidl("}");
 805                         $self->deindent;
 806                         $self->pidl("}");
 807                         $self->pidl("ndr->depth--;");
 808                 }
 809         }
 810 }
 811
 812 #####################################################################
 813 # parse scalars in a structure element - pull size
 814 sub ParseSwitchPull($$$$$$)
 815 {
 816         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 817         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 818                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 819                                    "return ndr_pull_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 820                 check_fully_dereferenced($e, $env));
 821
 822         $var_name = get_pointer_to($var_name);
 823         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 824 }
 825
 826 #####################################################################
 827 # push switch element
 828 sub ParseSwitchPush($$$$$$)
 829 {
 830         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 831         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 832                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 833                                    "return ndr_push_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 834                 check_fully_dereferenced($e, $env));
 835
 836         $var_name = get_pointer_to($var_name);
 837         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 838 }
 839
 840 sub ParseDataPull($$$$$$$)
 841 {
 842         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 843
 844         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 845
 846                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 847
 848                 if (need_pointer_to($e, $l, 0)) {
 849                         $var_name = get_pointer_to($var_name);
 850                 }
 851
 852                 $var_name = get_pointer_to($var_name);
 853
 854                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 855
 856                 if (my $range = has_property($e, "range")) {
 857                         $var_name = get_value_of($var_name);
 858                         my ($low, $high) = split(/,/, $range, 2);
 859                         $self->pidl("if ($var_name < $low || $var_name > $high) {");
 860                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 861                         $self->pidl("}");
 862                 }
 863         } else {
 864                 $self->ParseTypePull($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 865         }
 866 }
 867
 868 sub ParseDataPush($$$$$$$)
 869 {
 870         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 871
 872         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 873
 874                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 875
 876                 # strings are passed by value rather than reference
 877                 if (need_pointer_to($e, $l, 1)) {
 878                         $var_name = get_pointer_to($var_name);
 879                 }
 880
 881                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 882         } else {
 883                 $self->ParseTypePush($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 884         }
 885 }
 886
 887 sub CalcNdrFlags($$$)
 888 {
 889         my ($l,$primitives,$deferred) = @_;
 890
 891         my $scalars = 0;
 892         my $buffers = 0;
 893
 894         # Add NDR_SCALARS if this one is deferred
 895         # and deferreds may be pushed
 896         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 897
 898         # Add NDR_SCALARS if this one is not deferred and
 899         # primitives may be pushed
 900         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 901
 902         # Add NDR_BUFFERS if this one contains deferred stuff
 903         # and deferreds may be pushed
 904         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 905
 906         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 907         return "NDR_SCALARS" if ($scalars);
 908         return "NDR_BUFFERS" if ($buffers);
 909         return undef;
 910 }
 911
 912 sub ParseMemCtxPullFlags($$$$)
 913 {
 914         my ($self, $e, $l) = @_;
 915
 916         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
 917
 918         return undef if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED});
 919         return undef if has_fast_array($e, $l);
 920         return undef if is_charset_array($e, $l);
 921
 922         my $mem_flags = "0";
 923
 924         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
 925                 my $nl = GetNextLevel($e, $l);
 926                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
 927                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
 928                                         ($nl->{DATA_TYPE} eq "string"));
 929                 if ($next_is_array or $next_is_string) {
 930                         return undef;
 931                 } elsif ($l->{LEVEL} eq "TOP") {
 932                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
 933                 }
 934         }
 935
 936         return $mem_flags;
 937 }
 938
 939 sub ParseMemCtxPullStart($$$$)
 940 {
 941         my ($self, $e, $l, $ptr_name) = @_;
 942
 943         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 944         my $mem_c_ctx = $ptr_name;
 945         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
 946
 947         return unless defined($mem_c_flags);
 948
 949         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX(ndr);");
 950         $self->pidl("NDR_PULL_SET_MEM_CTX(ndr, $mem_c_ctx, $mem_c_flags);");
 951 }
 952
 953 sub ParseMemCtxPullEnd($$$)
 954 {
 955         my ($self, $e, $l) = @_;
 956
 957         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 958         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
 959
 960         return unless defined($mem_r_flags);
 961
 962         $self->pidl("NDR_PULL_SET_MEM_CTX(ndr, $mem_r_ctx, $mem_r_flags);");
 963 }
 964
 965 sub CheckStringTerminator($$$$$)
 966 {
 967         my ($self,$ndr,$e,$l,$length) = @_;
 968         my $nl = GetNextLevel($e, $l);
 969
 970         # Make sure last element is zero!
 971         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
 972 }
 973
 974 sub ParseElementPullLevel
 975 {
 976         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 977
 978         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 979
 980         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
 981                 $var_name = get_pointer_to($var_name);
 982         }
 983
 984         # Only pull something if there's actually something to be pulled
 985         if (defined($ndr_flags)) {
 986                 if ($l->{TYPE} eq "SUBCONTEXT") {
 987                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
 988                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
 989                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
 990                 } elsif ($l->{TYPE} eq "ARRAY") {
 991                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
 992
 993                         my $nl = GetNextLevel($e, $l);
 994
 995                         if (is_charset_array($e,$l)) {
 996                                 if ($l->{IS_ZERO_TERMINATED}) {
 997                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
 998                                 }
 999                                 $self->pidl("NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1000                                 return;
1001                         } elsif (has_fast_array($e, $l)) {
1002                                 if ($l->{IS_ZERO_TERMINATED}) {
1003                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1004                                 }
1005                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1006                                 return;
1007                         }
1008                 } elsif ($l->{TYPE} eq "POINTER") {
1009                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1010                 } elsif ($l->{TYPE} eq "SWITCH") {
1011                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1012                 } elsif ($l->{TYPE} eq "DATA") {
1013                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1014                 }
1015         }
1016
1017         # add additional constructions
1018         if ($l->{TYPE} eq "POINTER" and $deferred) {
1019                 if ($l->{POINTER_TYPE} ne "ref") {
1020                         $self->pidl("if ($var_name) {");
1021                         $self->indent;
1022
1023                         if ($l->{POINTER_TYPE} eq "relative") {
1024                                 $self->pidl("uint32_t _relative_save_offset;");
1025                                 $self->pidl("_relative_save_offset = ndr->offset;");
1026                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2(ndr, $var_name));");
1027                         }
1028                 }
1029
1030                 $self->ParseMemCtxPullStart($e, $l, $var_name);
1031
1032                 $var_name = get_value_of($var_name);
1033                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1034
1035                 $self->ParseMemCtxPullEnd($e,$l);
1036
1037                 if ($l->{POINTER_TYPE} ne "ref") {
1038                         if ($l->{POINTER_TYPE} eq "relative") {
1039                                 $self->pidl("ndr->offset = _relative_save_offset;");
1040                         }
1041                         $self->deindent;
1042                         $self->pidl("}");
1043                 }
1044         } elsif ($l->{TYPE} eq "ARRAY" and
1045                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1046                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1047                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1048                 my $array_name = $var_name;
1049
1050                 $var_name = get_array_element($var_name, $counter);
1051
1052                 $self->ParseMemCtxPullStart($e, $l, $array_name);
1053
1054                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1055                         my $nl = GetNextLevel($e,$l);
1056
1057                         if ($l->{IS_ZERO_TERMINATED}) {
1058                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1059                         }
1060
1061                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1062                         $self->indent;
1063                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1064                         $self->deindent;
1065                         $self->pidl("}");
1066                 }
1067
1068                 if ($deferred and ContainsDeferred($e, $l)) {
1069                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1070                         $self->indent;
1071                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1072                         $self->deindent;
1073                         $self->pidl("}");
1074                 }
1075
1076                 $self->ParseMemCtxPullEnd($e, $l);
1077
1078         } elsif ($l->{TYPE} eq "SWITCH") {
1079                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1080         }
1081 }
1082
1083 #####################################################################
1084 # parse scalars in a structure element - pull size
1085 sub ParseElementPull($$$$$$)
1086 {
1087         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1088
1089         my $var_name = $env->{$e->{NAME}};
1090         my $represent_name;
1091         my $transmit_name;
1092
1093         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1094
1095         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1096                 $self->pidl("{");
1097                 $self->indent;
1098                 $represent_name = $var_name;
1099                 $transmit_name = "_transmit_$e->{NAME}";
1100                 $var_name = $transmit_name;
1101                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1102         }
1103
1104         $var_name = append_prefix($e, $var_name);
1105
1106         $self->start_flags($e);
1107
1108         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1109
1110         $self->end_flags($e);
1111
1112         # Representation type is different from transmit_as
1113         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1114                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1115                 $self->deindent;
1116                 $self->pidl("}");
1117         }
1118 }
1119
1120 #####################################################################
1121 # parse a pointer in a struct element or function
1122 sub ParsePtrPull($$$$$)
1123 {
1124         my($self, $e,$l,$ndr,$var_name) = @_;
1125
1126         my $nl = GetNextLevel($e, $l);
1127         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1128         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1129                                                  ($nl->{DATA_TYPE} eq "string"));
1130
1131         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1132
1133                 if (!$next_is_array and !$next_is_string) {
1134                         $self->pidl("if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1135                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1136                         $self->pidl("}");
1137                 }
1138
1139                 return;
1140         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1141                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1142         } elsif (($l->{POINTER_TYPE} eq "unique") or
1143                  ($l->{POINTER_TYPE} eq "relative") or
1144                  ($l->{POINTER_TYPE} eq "full")) {
1145                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1146         } else {
1147                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1148         }
1149
1150         $self->pidl("if (_ptr_$e->{NAME}) {");
1151         $self->indent;
1152
1153         # Don't do this for arrays, they're allocated at the actual level
1154         # of the array
1155         unless ($next_is_array or $next_is_string) {
1156                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1157         } else {
1158                 # FIXME: Yes, this is nasty.
1159                 # We allocate an array twice
1160                 # - once just to indicate that it's there,
1161                 # - then the real allocation...
1162                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1163         }
1164
1165         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1166         if ($l->{POINTER_TYPE} eq "relative") {
1167                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1168         }
1169         $self->deindent;
1170         $self->pidl("} else {");
1171         $self->pidl("\t$var_name = NULL;");
1172         $self->pidl("}");
1173 }
1174
1175 sub ParseStructPushPrimitives($$$$)
1176 {
1177         my ($self, $struct, $varname, $env) = @_;
1178
1179         # see if the structure contains a conformant array. If it
1180         # does, then it must be the last element of the structure, and
1181         # we need to push the conformant length early, as it fits on
1182         # the wire before the structure (and even before the structure
1183         # alignment)
1184         if (defined($struct->{SURROUNDING_ELEMENT})) {
1185                 my $e = $struct->{SURROUNDING_ELEMENT};
1186
1187                 if (defined($e->{LEVELS}[0]) and
1188                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1189                         my $size;
1190
1191                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1192                                 if (has_property($e, "charset")) {
1193                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1194                                 } else {
1195                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1196                                 }
1197                         } else {
1198                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1199                         }
1200
1201                         $self->pidl("NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));");
1202                 } else {
1203                         $self->pidl("NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_string_array_size(ndr, $varname->$e->{NAME})));");
1204                 }
1205         }
1206
1207         $self->pidl("NDR_CHECK(ndr_push_align(ndr, $struct->{ALIGN}));");
1208
1209         if (defined($struct->{PROPERTIES}{relative_base})) {
1210                 # set the current offset as base for relative pointers
1211                 # and store it based on the toplevel struct/union
1212                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));");
1213         }
1214
1215         $self->ParseElementPush($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1216 }
1217
1218 sub ParseStructPushDeferred($$$)
1219 {
1220         my ($self, $struct, $varname, $env) = @_;
1221         if (defined($struct->{PROPERTIES}{relative_base})) {
1222                 # retrieve the current offset as base for relative pointers
1223                 # based on the toplevel struct/union
1224                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));");
1225         }
1226         $self->ParseElementPush($_, "ndr", $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1227 }
1228
1229 #####################################################################
1230 # parse a struct
1231 sub ParseStructPush($$$)
1232 {
1233         my ($self, $struct, $varname) = @_;
1234
1235         return unless defined($struct->{ELEMENTS});
1236
1237         my $env = GenerateStructEnv($struct, $varname);
1238
1239         EnvSubstituteValue($env, $struct);
1240
1241         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1242
1243         $self->start_flags($struct);
1244
1245         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1246         $self->indent;
1247         $self->ParseStructPushPrimitives($struct, $varname, $env);
1248         $self->deindent;
1249         $self->pidl("}");
1250
1251         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1252         $self->indent;
1253         $self->ParseStructPushDeferred($struct, $varname, $env);
1254         $self->deindent;
1255         $self->pidl("}");
1256
1257         $self->end_flags($struct);
1258 }
1259
1260 #####################################################################
1261 # generate a push function for an enum
1262 sub ParseEnumPush($$$)
1263 {
1264         my($self,$enum,$varname) = @_;
1265         my($type_fn) = $enum->{BASE_TYPE};
1266
1267         $self->start_flags($enum);
1268         $self->pidl("NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));");
1269         $self->end_flags($enum);
1270 }
1271
1272 #####################################################################
1273 # generate a pull function for an enum
1274 sub ParseEnumPull($$$)
1275 {
1276         my($self,$enum,$varname) = @_;
1277         my($type_fn) = $enum->{BASE_TYPE};
1278         my($type_v_decl) = mapTypeName($type_fn);
1279
1280         $self->pidl("$type_v_decl v;");
1281         $self->start_flags($enum);
1282         $self->pidl("NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));");
1283         $self->pidl("*$varname = v;");
1284
1285         $self->end_flags($enum);
1286 }
1287
1288 #####################################################################
1289 # generate a print function for an enum
1290 sub ParseEnumPrint($$$$)
1291 {
1292         my($self,$enum,$name,$varname) = @_;
1293
1294         $self->pidl("const char *val = NULL;");
1295         $self->pidl("");
1296
1297         $self->start_flags($enum);
1298
1299         $self->pidl("switch ($varname) {");
1300         $self->indent;
1301         my $els = \@{$enum->{ELEMENTS}};
1302         foreach my $i (0 .. $#{$els}) {
1303                 my $e = ${$els}[$i];
1304                 chomp $e;
1305                 if ($e =~ /^(.*)=/) {
1306                         $e = $1;
1307                 }
1308                 $self->pidl("case $e: val = \"$e\"; break;");
1309         }
1310
1311         $self->deindent;
1312         $self->pidl("}");
1313
1314         $self->pidl("ndr_print_enum(ndr, name, \"$enum->{TYPE}\", val, $varname);");
1315
1316         $self->end_flags($enum);
1317 }
1318
1319 sub DeclEnum($$$$)
1320 {
1321         my ($e,$t,$name,$varname) = @_;
1322         return "enum $name " .
1323                 ($t eq "pull"?"*":"") . $varname;
1324 }
1325
1326 $typefamily{ENUM} = {
1327         DECL => \&DeclEnum,
1328         PUSH_FN_BODY => \&ParseEnumPush,
1329         PULL_FN_BODY => \&ParseEnumPull,
1330         PRINT_FN_BODY => \&ParseEnumPrint,
1331 };
1332
1333 #####################################################################
1334 # generate a push function for a bitmap
1335 sub ParseBitmapPush($$$)
1336 {
1337         my($self,$bitmap,$varname) = @_;
1338         my($type_fn) = $bitmap->{BASE_TYPE};
1339
1340         $self->start_flags($bitmap);
1341
1342         $self->pidl("NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));");
1343
1344         $self->end_flags($bitmap);
1345 }
1346
1347 #####################################################################
1348 # generate a pull function for an bitmap
1349 sub ParseBitmapPull($$$)
1350 {
1351         my($self,$bitmap,$varname) = @_;
1352         my $type_fn = $bitmap->{BASE_TYPE};
1353         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1354
1355         $self->pidl("$type_decl v;");
1356         $self->start_flags($bitmap);
1357         $self->pidl("NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));");
1358         $self->pidl("*$varname = v;");
1359
1360         $self->end_flags($bitmap);
1361 }
1362
1363 #####################################################################
1364 # generate a print function for an bitmap
1365 sub ParseBitmapPrintElement($$$$$)
1366 {
1367         my($self,$e,$bitmap,$name,$varname) = @_;
1368         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1369         my($type_fn) = $bitmap->{BASE_TYPE};
1370         my($flag);
1371
1372         if ($e =~ /^(\w+) .*$/) {
1373                 $flag = "$1";
1374         } else {
1375                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1376         }
1377
1378         $self->pidl("ndr_print_bitmap_flag(ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1379 }
1380
1381 #####################################################################
1382 # generate a print function for an bitmap
1383 sub ParseBitmapPrint($$$$)
1384 {
1385         my($self,$bitmap,$name,$varname) = @_;
1386         my($type_decl) = mapTypeName($bitmap->{TYPE});
1387         my($type_fn) = $bitmap->{BASE_TYPE};
1388
1389         $self->start_flags($bitmap);
1390
1391         $self->pidl("ndr_print_$type_fn(ndr, name, $varname);");
1392
1393         $self->pidl("ndr->depth++;");
1394         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1395                 $self->ParseBitmapPrintElement($e, $bitmap, $name, $varname);
1396         }
1397         $self->pidl("ndr->depth--;");
1398
1399         $self->end_flags($bitmap);
1400 }
1401
1402 sub DeclBitmap($$$$)
1403 {
1404         my ($e,$t,$name,$varname) = @_;
1405         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1406                 ($t eq "pull"?" *":" ") . $varname;
1407 }
1408
1409 $typefamily{BITMAP} = {
1410         DECL => \&DeclBitmap,
1411         PUSH_FN_BODY => \&ParseBitmapPush,
1412         PULL_FN_BODY => \&ParseBitmapPull,
1413         PRINT_FN_BODY => \&ParseBitmapPrint,
1414 };
1415
1416 #####################################################################
1417 # generate a struct print function
1418 sub ParseStructPrint($$$$)
1419 {
1420         my($self,$struct,$name,$varname) = @_;
1421
1422         return unless defined $struct->{ELEMENTS};
1423
1424         my $env = GenerateStructEnv($struct, $varname);
1425
1426         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1427
1428         $self->pidl("ndr_print_struct(ndr, name, \"$name\");");
1429
1430         $self->start_flags($struct);
1431
1432         $self->pidl("ndr->depth++;");
1433
1434         $self->ParseElementPrint($_, $env->{$_->{NAME}}, $env)
1435                 foreach (@{$struct->{ELEMENTS}});
1436         $self->pidl("ndr->depth--;");
1437
1438         $self->end_flags($struct);
1439 }
1440
1441 sub DeclarePtrVariables($$)
1442 {
1443         my ($self,$e) = @_;
1444         foreach my $l (@{$e->{LEVELS}}) {
1445                 if ($l->{TYPE} eq "POINTER" and
1446                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1447                         $self->pidl("uint32_t _ptr_$e->{NAME};");
1448                         last;
1449                 }
1450         }
1451 }
1452
1453 sub DeclareArrayVariables($$)
1454 {
1455         my ($self,$e) = @_;
1456
1457         foreach my $l (@{$e->{LEVELS}}) {
1458                 next if has_fast_array($e,$l);
1459                 next if is_charset_array($e,$l);
1460                 if ($l->{TYPE} eq "ARRAY") {
1461                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1462                 }
1463         }
1464 }
1465
1466 sub DeclareMemCtxVariables($$)
1467 {
1468         my ($self,$e) = @_;
1469         foreach my $l (@{$e->{LEVELS}}) {
1470                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1471                 if (defined($mem_flags)) {
1472                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1473                 }
1474         }
1475 }
1476
1477 sub ParseStructPullPrimitives($$$$)
1478 {
1479         my($self,$struct,$varname,$env) = @_;
1480
1481         if (defined $struct->{SURROUNDING_ELEMENT}) {
1482                 $self->pidl("NDR_CHECK(ndr_pull_array_size(ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1483         }
1484
1485         $self->pidl("NDR_CHECK(ndr_pull_align(ndr, $struct->{ALIGN}));");
1486
1487         if (defined($struct->{PROPERTIES}{relative_base})) {
1488                 # set the current offset as base for relative pointers
1489                 # and store it based on the toplevel struct/union
1490                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));");
1491         }
1492
1493         $self->ParseElementPull($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1494
1495         $self->add_deferred();
1496 }
1497
1498 sub ParseStructPullDeferred($$$$)
1499 {
1500         my ($self,$struct,$varname,$env) = @_;
1501
1502         if (defined($struct->{PROPERTIES}{relative_base})) {
1503                 # retrieve the current offset as base for relative pointers
1504                 # based on the toplevel struct/union
1505                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));");
1506         }
1507         foreach my $e (@{$struct->{ELEMENTS}}) {
1508                 $self->ParseElementPull($e, "ndr", $env, 0, 1);
1509         }
1510
1511         $self->add_deferred();
1512 }
1513
1514 #####################################################################
1515 # parse a struct - pull side
1516 sub ParseStructPull($$$)
1517 {
1518         my($self,$struct,$varname) = @_;
1519
1520         return unless defined $struct->{ELEMENTS};
1521
1522         # declare any internal pointers we need
1523         foreach my $e (@{$struct->{ELEMENTS}}) {
1524                 $self->DeclarePtrVariables($e);
1525                 $self->DeclareArrayVariables($e);
1526                 $self->DeclareMemCtxVariables($e);
1527         }
1528
1529         $self->start_flags($struct);
1530
1531         my $env = GenerateStructEnv($struct, $varname);
1532
1533         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1534         $self->indent;
1535         $self->ParseStructPullPrimitives($struct,$varname,$env);
1536         $self->deindent;
1537         $self->pidl("}");
1538         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1539         $self->indent;
1540         $self->ParseStructPullDeferred($struct,$varname,$env);
1541         $self->deindent;
1542         $self->pidl("}");
1543
1544         $self->end_flags($struct);
1545 }
1546
1547 #####################################################################
1548 # calculate size of ndr struct
1549 sub ParseStructNdrSize($$$$)
1550 {
1551         my ($self,$t, $name, $varname) = @_;
1552         my $sizevar;
1553
1554         if (my $flags = has_property($t, "flag")) {
1555                 $self->pidl("flags |= $flags;");
1556         }
1557         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1558 }
1559
1560 sub DeclStruct($$$$)
1561 {
1562         my ($e,$t,$name,$varname) = @_;
1563         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1564 }
1565
1566 sub ArgsStructNdrSize($$$)
1567 {
1568         my ($d, $name, $varname) = @_;
1569         return "const struct $name *$varname, int flags";
1570 }
1571
1572 $typefamily{STRUCT} = {
1573         PUSH_FN_BODY => \&ParseStructPush,
1574         DECL => \&DeclStruct,
1575         PULL_FN_BODY => \&ParseStructPull,
1576         PRINT_FN_BODY => \&ParseStructPrint,
1577         SIZE_FN_BODY => \&ParseStructNdrSize,
1578         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1579 };
1580
1581 #####################################################################
1582 # calculate size of ndr struct
1583 sub ParseUnionNdrSize($$$)
1584 {
1585         my ($self, $t, $name, $varname) = @_;
1586         my $sizevar;
1587
1588         if (my $flags = has_property($t, "flag")) {
1589                 $self->pidl("flags |= $flags;");
1590         }
1591
1592         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1593 }
1594
1595 sub ParseUnionPushPrimitives($$$)
1596 {
1597         my ($self, $e, $varname) = @_;
1598
1599         my $have_default = 0;
1600
1601         $self->pidl("int level = ndr_push_get_switch_value(ndr, $varname);");
1602
1603         if (defined($e->{SWITCH_TYPE})) {
1604                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}(ndr, NDR_SCALARS, level));");
1605         }
1606
1607         $self->pidl("switch (level) {");
1608         $self->indent;
1609         foreach my $el (@{$e->{ELEMENTS}}) {
1610                 if ($el->{CASE} eq "default") {
1611                         $have_default = 1;
1612                 }
1613                 $self->pidl("$el->{CASE}: {");
1614
1615                 if ($el->{TYPE} ne "EMPTY") {
1616                         $self->indent;
1617                         if (defined($e->{PROPERTIES}{relative_base})) {
1618                                 $self->pidl("NDR_CHECK(ndr_push_align(ndr, $el->{ALIGN}));");
1619                                 # set the current offset as base for relative pointers
1620                                 # and store it based on the toplevel struct/union
1621                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));");
1622                         }
1623                         $self->DeclareArrayVariables($el);
1624                         $self->ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1625                         $self->deindent;
1626                 }
1627                 $self->pidl("break; }");
1628                 $self->pidl("");
1629         }
1630         if (! $have_default) {
1631                 $self->pidl("default:");
1632                 $self->pidl("\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);");
1633         }
1634         $self->deindent;
1635         $self->pidl("}");
1636 }
1637
1638 sub ParseUnionPushDeferred($$$)
1639 {
1640         my ($self,$e,$varname) = @_;
1641
1642         my $have_default = 0;
1643
1644         $self->pidl("int level = ndr_push_get_switch_value(ndr, $varname);");
1645         if (defined($e->{PROPERTIES}{relative_base})) {
1646                 # retrieve the current offset as base for relative pointers
1647                 # based on the toplevel struct/union
1648                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));");
1649         }
1650         $self->pidl("switch (level) {");
1651         $self->indent;
1652         foreach my $el (@{$e->{ELEMENTS}}) {
1653                 if ($el->{CASE} eq "default") {
1654                         $have_default = 1;
1655                 }
1656
1657                 $self->pidl("$el->{CASE}:");
1658                 if ($el->{TYPE} ne "EMPTY") {
1659                         $self->indent;
1660                         $self->ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1661                         $self->deindent;
1662                 }
1663                 $self->pidl("break;");
1664                 $self->pidl("");
1665         }
1666         if (! $have_default) {
1667                 $self->pidl("default:");
1668                 $self->pidl("\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);");
1669         }
1670         $self->deindent;
1671         $self->pidl("}");
1672 }
1673
1674 #####################################################################
1675 # parse a union - push side
1676 sub ParseUnionPush($$$)
1677 {
1678         my ($self,$e,$varname) = @_;
1679         my $have_default = 0;
1680
1681         $self->start_flags($e);
1682
1683         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1684         $self->indent;
1685         $self->ParseUnionPushPrimitives($e, $varname);
1686         $self->deindent;
1687         $self->pidl("}");
1688         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1689         $self->indent;
1690         $self->ParseUnionPushDeferred($e, $varname);
1691         $self->deindent;
1692         $self->pidl("}");
1693         $self->end_flags($e);
1694 }
1695
1696 #####################################################################
1697 # print a union
1698 sub ParseUnionPrint($$$$)
1699 {
1700         my ($self,$e,$name,$varname) = @_;
1701         my $have_default = 0;
1702
1703         $self->pidl("int level;");
1704         foreach my $el (@{$e->{ELEMENTS}}) {
1705                 $self->DeclareArrayVariables($el);
1706         }
1707
1708         $self->start_flags($e);
1709
1710         $self->pidl("level = ndr_print_get_switch_value(ndr, $varname);");
1711
1712         $self->pidl("ndr_print_union(ndr, name, level, \"$name\");");
1713
1714         $self->pidl("switch (level) {");
1715         $self->indent;
1716         foreach my $el (@{$e->{ELEMENTS}}) {
1717                 if ($el->{CASE} eq "default") {
1718                         $have_default = 1;
1719                 }
1720                 $self->pidl("$el->{CASE}:");
1721                 if ($el->{TYPE} ne "EMPTY") {
1722                         $self->indent;
1723                         $self->ParseElementPrint($el, "$varname->$el->{NAME}", {});
1724                         $self->deindent;
1725                 }
1726                 $self->pidl("break;");
1727                 $self->pidl("");
1728         }
1729         if (! $have_default) {
1730                 $self->pidl("default:");
1731                 $self->pidl("\tndr_print_bad_level(ndr, name, level);");
1732         }
1733         $self->deindent;
1734         $self->pidl("}");
1735
1736         $self->end_flags($e);
1737 }
1738
1739 sub ParseUnionPullPrimitives($$$$)
1740 {
1741         my ($self,$e,$varname,$switch_type) = @_;
1742         my $have_default = 0;
1743
1744         if (defined($switch_type)) {
1745                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type(ndr, NDR_SCALARS, &_level));");
1746                 $self->pidl("if (_level != level) {");
1747                 $self->pidl("\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname\", _level);");
1748                 $self->pidl("}");
1749         }
1750
1751         $self->pidl("switch (level) {");
1752         $self->indent;
1753         foreach my $el (@{$e->{ELEMENTS}}) {
1754                 if ($el->{CASE} eq "default") {
1755                         $have_default = 1;
1756                 }
1757                 $self->pidl("$el->{CASE}: {");
1758
1759                 if ($el->{TYPE} ne "EMPTY") {
1760                         $self->indent;
1761                         $self->DeclarePtrVariables($el);
1762                         $self->DeclareArrayVariables($el);
1763                         if (defined($e->{PROPERTIES}{relative_base})) {
1764                                 $self->pidl("NDR_CHECK(ndr_pull_align(ndr, $el->{ALIGN}));");
1765                                 # set the current offset as base for relative pointers
1766                                 # and store it based on the toplevel struct/union
1767                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));");
1768                         }
1769                         $self->ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1770                         $self->deindent;
1771                 }
1772                 $self->pidl("break; }");
1773                 $self->pidl("");
1774         }
1775         if (! $have_default) {
1776                 $self->pidl("default:");
1777                 $self->pidl("\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);");
1778         }
1779         $self->deindent;
1780         $self->pidl("}");
1781 }
1782
1783 sub ParseUnionPullDeferred($$$)
1784 {
1785         my ($self,$e,$varname) = @_;
1786         my $have_default = 0;
1787
1788         if (defined($e->{PROPERTIES}{relative_base})) {
1789                 # retrieve the current offset as base for relative pointers
1790                 # based on the toplevel struct/union
1791                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));");
1792         }
1793         $self->pidl("switch (level) {");
1794         $self->indent;
1795         foreach my $el (@{$e->{ELEMENTS}}) {
1796                 if ($el->{CASE} eq "default") {
1797                         $have_default = 1;
1798                 }
1799
1800                 $self->pidl("$el->{CASE}:");
1801                 if ($el->{TYPE} ne "EMPTY") {
1802                         $self->indent;
1803                         $self->ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1804                         $self->deindent;
1805                 }
1806                 $self->pidl("break;");
1807                 $self->pidl("");
1808         }
1809         if (! $have_default) {
1810                 $self->pidl("default:");
1811                 $self->pidl("\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);");
1812         }
1813         $self->deindent;
1814         $self->pidl("}");
1815
1816
1817 }
1818
1819 #####################################################################
1820 # parse a union - pull side
1821 sub ParseUnionPull($$$)
1822 {
1823         my ($self,$e,$varname) = @_;
1824         my $switch_type = $e->{SWITCH_TYPE};
1825
1826         $self->pidl("int level;");
1827         if (defined($switch_type)) {
1828                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1829                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1830                 }
1831                 $self->pidl(mapTypeName($switch_type) . " _level;");
1832         }
1833
1834         my %double_cases = ();
1835         foreach my $el (@{$e->{ELEMENTS}}) {
1836                 next if ($el->{TYPE} eq "EMPTY");
1837                 next if ($double_cases{"$el->{NAME}"});
1838                 $self->DeclareMemCtxVariables($el);
1839                 $double_cases{"$el->{NAME}"} = 1;
1840         }
1841
1842         $self->start_flags($e);
1843
1844         $self->pidl("level = ndr_pull_get_switch_value(ndr, $varname);");
1845
1846         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1847         $self->indent;
1848         $self->ParseUnionPullPrimitives($e,$varname,$switch_type);
1849         $self->deindent;
1850         $self->pidl("}");
1851
1852         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1853         $self->indent;
1854         $self->ParseUnionPullDeferred($e,$varname);
1855         $self->deindent;
1856         $self->pidl("}");
1857
1858         $self->add_deferred();
1859
1860         $self->end_flags($e);
1861 }
1862
1863 sub DeclUnion($$$$)
1864 {
1865         my ($e,$t,$name,$varname) = @_;
1866         return ($t ne "pull"?"const ":"") . "union $name *$varname";
1867 }
1868
1869 sub ArgsUnionNdrSize($$)
1870 {
1871         my ($d,$name) = @_;
1872         return "const union $name *r, uint32_t level, int flags";
1873 }
1874
1875 $typefamily{UNION} = {
1876         PUSH_FN_BODY => \&ParseUnionPush,
1877         DECL => \&DeclUnion,
1878         PULL_FN_BODY => \&ParseUnionPull,
1879         PRINT_FN_BODY => \&ParseUnionPrint,
1880         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
1881         SIZE_FN_BODY => \&ParseUnionNdrSize,
1882 };
1883
1884 #####################################################################
1885 # parse a typedef - push side
1886 sub ParseTypedefPush($$$)
1887 {
1888         my($self,$e,$varname) = @_;
1889
1890         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $varname);
1891 }
1892
1893 #####################################################################
1894 # parse a typedef - pull side
1895 sub ParseTypedefPull($$$)
1896 {
1897         my($self,$e,$varname) = @_;
1898
1899         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $varname);
1900 }
1901
1902 #####################################################################
1903 # parse a typedef - print side
1904 sub ParseTypedefPrint($$$$)
1905 {
1906         my($self,$e,$name,$varname) = @_;
1907
1908         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $name, $varname);
1909 }
1910
1911 #####################################################################
1912 ## calculate the size of a structure
1913 sub ParseTypedefNdrSize($$$$)
1914 {
1915         my($self,$t,$name,$varname) = @_;
1916
1917         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
1918 }
1919
1920 sub DeclTypedef($$$$)
1921 {
1922         my ($e, $t, $name, $varname) = @_;
1923
1924         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
1925 }
1926
1927 sub ArgsTypedefNdrSize($$$)
1928 {
1929         my ($d, $name, $varname) = @_;
1930         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
1931 }
1932
1933 $typefamily{TYPEDEF} = {
1934         PUSH_FN_BODY => \&ParseTypedefPush,
1935         DECL => \&DeclTypedef,
1936         PULL_FN_BODY => \&ParseTypedefPull,
1937         PRINT_FN_BODY => \&ParseTypedefPrint,
1938         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
1939         SIZE_FN_BODY => \&ParseTypedefNdrSize,
1940 };
1941
1942 #####################################################################
1943 # parse a function - print side
1944 sub ParseFunctionPrint($$)
1945 {
1946         my($self, $fn) = @_;
1947
1948         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
1949
1950         return if has_property($fn, "noprint");
1951
1952         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
1953         $self->pidl("{");
1954         $self->indent;
1955
1956         foreach my $e (@{$fn->{ELEMENTS}}) {
1957                 $self->DeclareArrayVariables($e);
1958         }
1959
1960         $self->pidl("ndr_print_struct(ndr, name, \"$fn->{NAME}\");");
1961         $self->pidl("ndr->depth++;");
1962
1963         $self->pidl("if (flags & NDR_SET_VALUES) {");
1964         $self->pidl("\tndr->flags |= LIBNDR_PRINT_SET_VALUES;");
1965         $self->pidl("}");
1966
1967         $self->pidl("if (flags & NDR_IN) {");
1968         $self->indent;
1969         $self->pidl("ndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");");
1970         $self->pidl("ndr->depth++;");
1971
1972         my $env = GenerateFunctionInEnv($fn);
1973
1974         foreach my $e (@{$fn->{ELEMENTS}}) {
1975                 if (grep(/in/,@{$e->{DIRECTION}})) {
1976                         $self->ParseElementPrint($e, $env->{$e->{NAME}}, $env);
1977                 }
1978         }
1979         $self->pidl("ndr->depth--;");
1980         $self->deindent;
1981         $self->pidl("}");
1982
1983         $self->pidl("if (flags & NDR_OUT) {");
1984         $self->indent;
1985         $self->pidl("ndr_print_struct(ndr, \"out\", \"$fn->{NAME}\");");
1986         $self->pidl("ndr->depth++;");
1987
1988         $env = GenerateFunctionOutEnv($fn);
1989         foreach my $e (@{$fn->{ELEMENTS}}) {
1990                 if (grep(/out/,@{$e->{DIRECTION}})) {
1991                         $self->ParseElementPrint($e, $env->{$e->{NAME}}, $env);
1992                 }
1993         }
1994         if ($fn->{RETURN_TYPE}) {
1995                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}(ndr, \"result\", r->out.result);");
1996         }
1997         $self->pidl("ndr->depth--;");
1998         $self->deindent;
1999         $self->pidl("}");
2000
2001         $self->pidl("ndr->depth--;");
2002         $self->deindent;
2003         $self->pidl("}");
2004         $self->pidl("");
2005 }
2006
2007 #####################################################################
2008 # parse a function
2009 sub ParseFunctionPush($$)
2010 {
2011         my($self, $fn) = @_;
2012
2013         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *ndr, int flags, const struct $fn->{NAME} *r)") or return;
2014
2015         return if has_property($fn, "nopush");
2016
2017         $self->pidl("{");
2018         $self->indent;
2019
2020         foreach my $e (@{$fn->{ELEMENTS}}) {
2021                 $self->DeclareArrayVariables($e);
2022         }
2023
2024         $self->pidl("if (flags & NDR_IN) {");
2025         $self->indent;
2026
2027         my $env = GenerateFunctionInEnv($fn);
2028
2029         EnvSubstituteValue($env, $fn);
2030
2031         foreach my $e (@{$fn->{ELEMENTS}}) {
2032                 if (grep(/in/,@{$e->{DIRECTION}})) {
2033                         $self->ParseElementPush($e, "ndr", $env, 1, 1);
2034                 }
2035         }
2036
2037         $self->deindent;
2038         $self->pidl("}");
2039
2040         $self->pidl("if (flags & NDR_OUT) {");
2041         $self->indent;
2042
2043         $env = GenerateFunctionOutEnv($fn);
2044         foreach my $e (@{$fn->{ELEMENTS}}) {
2045                 if (grep(/out/,@{$e->{DIRECTION}})) {
2046                         $self->ParseElementPush($e, "ndr", $env, 1, 1);
2047                 }
2048         }
2049
2050         if ($fn->{RETURN_TYPE}) {
2051                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, r->out.result));");
2052         }
2053
2054         $self->deindent;
2055         $self->pidl("}");
2056         $self->pidl("return NDR_ERR_SUCCESS;");
2057         $self->deindent;
2058         $self->pidl("}");
2059         $self->pidl("");
2060 }
2061
2062 sub AllocateArrayLevel($$$$$$)
2063 {
2064         my ($self,$e,$l,$ndr,$var,$size) = @_;
2065
2066         my $pl = GetPrevLevel($e, $l);
2067         if (defined($pl) and
2068             $pl->{TYPE} eq "POINTER" and
2069             $pl->{POINTER_TYPE} eq "ref"
2070             and not $l->{IS_ZERO_TERMINATED}) {
2071                 $self->pidl("if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2072                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2073                 $self->pidl("}");
2074                 if (grep(/in/,@{$e->{DIRECTION}}) and
2075                     grep(/out/,@{$e->{DIRECTION}})) {
2076                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));");
2077                 }
2078                 return;
2079         }
2080
2081         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2082 }
2083
2084 #####################################################################
2085 # parse a function
2086 sub ParseFunctionPull($$)
2087 {
2088         my($self,$fn) = @_;
2089
2090         # pull function args
2091         $self->fn_declare("pull", $fn, "enum ndr_err_code ndr_pull_$fn->{NAME}(struct ndr_pull *ndr, int flags, struct $fn->{NAME} *r)") or return;
2092
2093         $self->pidl("{");
2094         $self->indent;
2095
2096         # declare any internal pointers we need
2097         foreach my $e (@{$fn->{ELEMENTS}}) {
2098                 $self->DeclarePtrVariables($e);
2099                 $self->DeclareArrayVariables($e);
2100         }
2101
2102         my %double_cases = ();
2103         foreach my $e (@{$fn->{ELEMENTS}}) {
2104                 next if ($e->{TYPE} eq "EMPTY");
2105                 next if ($double_cases{"$e->{NAME}"});
2106                 $self->DeclareMemCtxVariables($e);
2107                 $double_cases{"$e->{NAME}"} = 1;
2108         }
2109
2110         $self->pidl("if (flags & NDR_IN) {");
2111         $self->indent;
2112
2113         # auto-init the out section of a structure. I originally argued that
2114         # this was a bad idea as it hides bugs, but coping correctly
2115         # with initialisation and not wiping ref vars is turning
2116         # out to be too tricky (tridge)
2117         foreach my $e (@{$fn->{ELEMENTS}}) {
2118                 next unless grep(/out/, @{$e->{DIRECTION}});
2119                 $self->pidl("ZERO_STRUCT(r->out);");
2120                 $self->pidl("");
2121                 last;
2122         }
2123
2124         my $env = GenerateFunctionInEnv($fn);
2125
2126         foreach my $e (@{$fn->{ELEMENTS}}) {
2127                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2128                 $self->ParseElementPull($e, "ndr", $env, 1, 1);
2129         }
2130
2131         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2132         # own flag rather than be in NDR_IN ?
2133
2134         foreach my $e (@{$fn->{ELEMENTS}}) {
2135                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2136                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2137                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2138                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2139                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2140                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2141                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2142
2143                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2144                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2145                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2146                                                    "return ndr_pull_error(ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2147                                 check_fully_dereferenced($e, $env));
2148                         $self->pidl("NDR_PULL_ALLOC_N(ndr, r->out.$e->{NAME}, $size);");
2149
2150                         if (grep(/in/, @{$e->{DIRECTION}})) {
2151                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2152                         } else {
2153                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2154                         }
2155                 } else {
2156                         $self->pidl("NDR_PULL_ALLOC(ndr, r->out.$e->{NAME});");
2157
2158                         if (grep(/in/, @{$e->{DIRECTION}})) {
2159                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2160                         } else {
2161                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2162                         }
2163                 }
2164         }
2165
2166         $self->add_deferred();
2167         $self->deindent;
2168         $self->pidl("}");
2169
2170         $self->pidl("if (flags & NDR_OUT) {");
2171         $self->indent;
2172
2173         $env = GenerateFunctionOutEnv($fn);
2174         foreach my $e (@{$fn->{ELEMENTS}}) {
2175                 next unless grep(/out/, @{$e->{DIRECTION}});
2176                 $self->ParseElementPull($e, "ndr", $env, 1, 1);
2177         }
2178
2179         if ($fn->{RETURN_TYPE}) {
2180                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, &r->out.result));");
2181         }
2182
2183         $self->add_deferred();
2184         $self->deindent;
2185         $self->pidl("}");
2186
2187         $self->pidl("return NDR_ERR_SUCCESS;");
2188         $self->deindent;
2189         $self->pidl("}");
2190         $self->pidl("");
2191 }
2192
2193 sub AuthServiceStruct($$$)
2194 {
2195         my ($self, $ifacename, $authservice) = @_;
2196         my @a = split /,/, $authservice;
2197         my $authservice_count = $#a + 1;
2198
2199         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2200         foreach my $ap (@a) {
2201                 $self->pidl("\t$ap, ");
2202         }
2203         $self->pidl("};");
2204         $self->pidl("");
2205
2206         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2207         $self->pidl("\t.count\t= $authservice_count,");
2208         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2209         $self->pidl("};");
2210         $self->pidl("");
2211 }
2212
2213 #####################################################################
2214 # produce a function call table
2215 sub FunctionTable($$)
2216 {
2217         my($self,$interface) = @_;
2218         my $count = 0;
2219         my $uname = uc $interface->{NAME};
2220
2221         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2222         return unless defined ($interface->{PROPERTIES}->{uuid});
2223
2224         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2225         foreach my $d (@{$interface->{FUNCTIONS}}) {
2226                 next if not defined($d->{OPNUM});
2227                 $self->pidl("\t{");
2228                 $self->pidl("\t\t\"$d->{NAME}\",");
2229                 $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2230                 $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2231                 $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2232                 $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2233                 $self->pidl("\t\t".($d->{ASYNC}?"true":"false").",");
2234                 $self->pidl("\t},");
2235                 $count++;
2236         }
2237         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL, false }");
2238         $self->pidl("};");
2239         $self->pidl("");
2240
2241         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2242         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2243                 $self->pidl("\t$ep, ");
2244         }
2245         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2246
2247         $self->pidl("};");
2248         $self->pidl("");
2249
2250         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2251         $self->pidl("\t.count\t= $endpoint_count,");
2252         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2253         $self->pidl("};");
2254         $self->pidl("");
2255
2256         if (! defined $interface->{PROPERTIES}->{authservice}) {
2257                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2258         }
2259
2260         $self->AuthServiceStruct($interface->{NAME},
2261                                      $interface->{PROPERTIES}->{authservice});
2262
2263         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2264         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2265         $self->pidl("\t.syntax_id\t= {");
2266         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2267         $self->pidl("\t\tNDR_$uname\_VERSION");
2268         $self->pidl("\t},");
2269         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2270         $self->pidl("\t.num_calls\t= $count,");
2271         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2272         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2273         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2274         $self->pidl("};");
2275         $self->pidl("");
2276
2277 }
2278
2279 #####################################################################
2280 # generate include statements for imported idl files
2281 sub HeaderImport
2282 {
2283         my $self = shift;
2284         my @imports = @_;
2285         foreach (@imports) {
2286                 s/\.idl\"$//;
2287                 s/^\"//;
2288                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2289         }
2290 }
2291
2292 #####################################################################
2293 # generate include statements for included header files
2294 sub HeaderInclude
2295 {
2296         my $self = shift;
2297         my @includes = @_;
2298         foreach (@includes) {
2299                 $self->pidl_hdr("#include $_");
2300         }
2301 }
2302
2303 #####################################################################
2304 # generate prototypes and defines for the interface definitions
2305 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2306 # NDR parser and so do not belong here, technically speaking
2307 sub HeaderInterface($$$)
2308 {
2309         my($self,$interface,$needed) = @_;
2310
2311         my $count = 0;
2312
2313         if ($needed->{"compression"}) {
2314                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2315         }
2316
2317         if (has_property($interface, "object")) {
2318                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2319         }
2320
2321         if (defined $interface->{PROPERTIES}->{helper}) {
2322                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2323         }
2324
2325         if (defined $interface->{PROPERTIES}->{uuid}) {
2326                 my $name = uc $interface->{NAME};
2327                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2328                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid})));
2329
2330                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2331                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{PROPERTIES}->{version}");
2332
2333                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2334
2335                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2336                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2337
2338                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2339         }
2340
2341         foreach (@{$interface->{FUNCTIONS}}) {
2342                 next if has_property($_, "noopnum");
2343                 next if grep(/$_->{NAME}/,@{$interface->{INHERITED_FUNCTIONS}});
2344                 my $u_name = uc $_->{NAME};
2345
2346                 my $val = sprintf("0x%02x", $count);
2347                 if (defined($interface->{BASE})) {
2348                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2349                 }
2350
2351                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2352
2353                 $self->pidl_hdr("");
2354                 $count++;
2355         }
2356
2357         my $val = $count;
2358
2359         if (defined($interface->{BASE})) {
2360                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2361         }
2362
2363         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2364
2365 }
2366
2367 sub ParseTypePush($$$$$)
2368 {
2369         my ($self,$e,$varname, $primitives, $deferred) = @_;
2370
2371         # save the old relative_base_offset
2372         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset(ndr);") if defined(has_property($e, "relative_base"));
2373         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $varname);
2374         # restore the old relative_base_offset
2375         $self->pidl("ndr_push_restore_relative_base_offset(ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2376 }
2377
2378 sub ParseTypePushFunction($$$)
2379 {
2380         my ($self, $e, $varname) = @_;
2381
2382         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2383         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *ndr, int ndr_flags, $args)") or return;
2384
2385         $self->pidl("{");
2386         $self->indent;
2387         $self->ParseTypePush($e, $varname, 1, 1);
2388         $self->pidl("return NDR_ERR_SUCCESS;");
2389         $self->deindent;
2390         $self->pidl("}");
2391         $self->pidl("");;
2392 }
2393
2394 sub ParseTypePull($$$$$)
2395 {
2396         my ($self, $e, $varname, $primitives, $deferred) = @_;
2397
2398         # save the old relative_base_offset
2399         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset(ndr);") if defined(has_property($e, "relative_base"));
2400         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $varname);
2401         # restore the old relative_base_offset
2402         $self->pidl("ndr_pull_restore_relative_base_offset(ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2403 }
2404
2405 sub ParseTypePullFunction($$)
2406 {
2407         my ($self, $e, $varname) = @_;
2408
2409         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2410
2411         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *ndr, int ndr_flags, $args)") or return;
2412
2413         $self->pidl("{");
2414         $self->indent;
2415         $self->ParseTypePull($e, $varname, 1, 1);
2416         $self->pidl("return NDR_ERR_SUCCESS;");
2417         $self->deindent;
2418         $self->pidl("}");
2419         $self->pidl("");
2420 }
2421
2422 sub ParseTypePrint($$$)
2423 {
2424         my ($self, $e, $varname) = @_;
2425
2426         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $e->{NAME}, $varname);
2427 }
2428
2429 sub ParseTypePrintFunction($$$)
2430 {
2431         my ($self, $e, $varname) = @_;
2432         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2433
2434         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2435
2436         return if (has_property($e, "noprint"));
2437
2438         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args)");
2439         $self->pidl("{");
2440         $self->indent;
2441         $self->ParseTypePrint($e, $varname);
2442         $self->deindent;
2443         $self->pidl("}");
2444         $self->pidl("");
2445 }
2446
2447 sub ParseTypeNdrSize($$)
2448 {
2449         my ($self,$t) = @_;
2450
2451         my $varname = "r";
2452         my $tf = $typefamily{$t->{TYPE}};
2453         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2454
2455         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2456
2457         $self->pidl("{");
2458         $self->indent;
2459         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2460         $self->deindent;
2461         $self->pidl("}");
2462         $self->pidl("");
2463 }
2464
2465 #####################################################################
2466 # parse the interface definitions
2467 sub ParseInterface($$$)
2468 {
2469         my($self,$interface,$needed) = @_;
2470
2471         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2472         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2473
2474         $self->pidl_hdr("");
2475
2476         $self->HeaderInterface($interface, $needed);
2477
2478         # Typedefs
2479         foreach my $d (@{$interface->{TYPES}}) {
2480                 next unless(typeHasBody($d));
2481
2482                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2483                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2484                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2485
2486                 # Make sure we don't generate a function twice...
2487                 $needed->{TypeFunctionName("ndr_push", $d)} =
2488                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2489                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2490
2491                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2492         }
2493
2494         # Functions
2495         foreach my $d (@{$interface->{FUNCTIONS}}) {
2496                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2497                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2498                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2499
2500                 # Make sure we don't generate a function twice...
2501                 $needed->{"ndr_push_$d->{NAME}"} = $needed->{"ndr_pull_$d->{NAME}"} =
2502                         $needed->{"ndr_print_$d->{NAME}"} = 0;
2503         }
2504
2505         $self->FunctionTable($interface);
2506
2507         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2508 }
2509
2510 sub GenerateIncludes($)
2511 {
2512         my ($self) = @_;
2513         if (is_intree()) {
2514                 $self->pidl("#include \"includes.h\"");
2515         } else {
2516                 $self->pidl("#define _GNU_SOURCE");
2517                 $self->pidl("#include <stdint.h>");
2518                 $self->pidl("#include <stdlib.h>");
2519                 $self->pidl("#include <stdio.h>");
2520                 $self->pidl("#include <stdbool.h>");
2521                 $self->pidl("#include <stdarg.h>");
2522                 $self->pidl("#include <string.h>");
2523         }
2524 }
2525
2526 #####################################################################
2527 # parse a parsed IDL structure back into an IDL file
2528 sub Parse($$$$)
2529 {
2530         my($self, $ndr,$gen_header,$ndr_header) = @_;
2531
2532         $self->pidl_hdr("/* header auto-generated by pidl */");
2533         $self->pidl_hdr("");
2534         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2535         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2536         $self->pidl_hdr("");
2537
2538         $self->pidl("/* parser auto-generated by pidl */");
2539         $self->pidl("");
2540         $self->GenerateIncludes();
2541         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2542         $self->pidl("");
2543
2544         my %needed = ();
2545
2546         foreach (@{$ndr}) {
2547                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2548         }
2549
2550         foreach (@{$ndr}) {
2551                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2552                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2553                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2554         }
2555
2556         return ($self->{res_hdr}, $self->{res});
2557 }
2558
2559 sub NeededElement($$$)
2560 {
2561         my ($e, $dir, $needed) = @_;
2562
2563         return if ($e->{TYPE} eq "EMPTY");
2564
2565         return if (ref($e->{TYPE}) eq "HASH" and
2566                        not defined($e->{TYPE}->{NAME}));
2567
2568         my ($t, $rt);
2569         if (ref($e->{TYPE}) eq "HASH") {
2570                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2571         } else {
2572                 $t = $e->{TYPE};
2573         }
2574
2575         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2576                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2577         } else {
2578                 $rt = $e->{REPRESENTATION_TYPE};
2579         }
2580
2581         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2582
2583         my @fn = ();
2584         if ($dir eq "print") {
2585                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2586         } elsif ($dir eq "pull") {
2587                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2588                 push (@fn, "ndr_$t\_to_$rt")
2589                         if ($rt ne $t);
2590         } elsif ($dir eq "push") {
2591                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2592                 push (@fn, "ndr_$rt\_to_$t")
2593                         if ($rt ne $t);
2594         } else {
2595                 die("invalid direction `$dir'");
2596         }
2597
2598         foreach (@fn) {
2599                 unless (defined($needed->{$_})) {
2600                         $needed->{$_} = 1;
2601                 }
2602         }
2603 }
2604
2605 sub NeededFunction($$)
2606 {
2607         my ($fn,$needed) = @_;
2608         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
2609         $needed->{"ndr_push_$fn->{NAME}"} = 1;
2610         $needed->{"ndr_print_$fn->{NAME}"} = 1;
2611         foreach my $e (@{$fn->{ELEMENTS}}) {
2612                 $e->{PARENT} = $fn;
2613                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
2614         }
2615 }
2616
2617 sub NeededType($$$)
2618 {
2619         sub NeededType($$$);
2620         my ($t,$needed,$req) = @_;
2621
2622         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
2623
2624         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
2625                 return unless defined($t->{ELEMENTS});
2626                 for my $e (@{$t->{ELEMENTS}}) {
2627                         $e->{PARENT} = $t;
2628                         if (has_property($e, "compression")) {
2629                                 $needed->{"compression"} = 1;
2630                         }
2631                         NeededElement($e, $req, $needed);
2632                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
2633                 }
2634         }
2635 }
2636
2637 #####################################################################
2638 # work out what parse functions are needed
2639 sub NeededInterface($$)
2640 {
2641         my ($interface,$needed) = @_;
2642         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
2643         foreach (reverse @{$interface->{TYPES}}) {
2644                 if (has_property($_, "public")) {
2645                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
2646                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
2647                 }
2648
2649                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
2650                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
2651                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
2652                 if (has_property($_, "gensize")) {
2653                         $needed->{"ndr_size_$_->{NAME}"} = 1;
2654                 }
2655         }
2656 }
2657
2658 sub TypeFunctionName($$)
2659 {
2660         my ($prefix, $t) = @_;
2661
2662         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
2663                         $t->{TYPE} eq "TYPEDEF");
2664         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
2665         return "$prefix\_$t";
2666 }
2667
2668 1;