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 $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($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, $ndr) = @_;
 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($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201                 if (defined($l->{SIZE_IS})) {
 202                         $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 }
 204                 if (defined($l->{LENGTH_IS})) {
 205                         $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 206                 }
 207         } else {
 208                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 209                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 210         }
 211
 212         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 213                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 214         }
 215
 216         if ($l->{IS_VARYING}) {
 217                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 218                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 219         }
 220
 221         return $length;
 222 }
 223
 224 sub check_fully_dereferenced($$)
 225 {
 226         my ($element, $env) = @_;
 227
 228         return sub ($) {
 229                 my $origvar = shift;
 230                 my $check = 0;
 231
 232                 # Figure out the number of pointers in $ptr
 233                 my $expandedvar = $origvar;
 234                 $expandedvar =~ s/^(\**)//;
 235                 my $ptr = $1;
 236
 237                 my $var = undef;
 238                 foreach (keys %$env) {
 239                         if ($env->{$_} eq $expandedvar) {
 240                                 $var = $_;
 241                                 last;
 242                         }
 243                 }
 244
 245                 return($origvar) unless (defined($var));
 246                 my $e;
 247                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 248                         if ($_->{NAME} eq $var) {
 249                                 $e = $_;
 250                                 last;
 251                         }
 252                 }
 253
 254                 $e or die("Environment doesn't match siblings");
 255
 256                 # See if pointer at pointer level $level
 257                 # needs to be checked.
 258                 my $nump = 0;
 259                 foreach (@{$e->{LEVELS}}) {
 260                         if ($_->{TYPE} eq "POINTER") {
 261                                 $nump = $_->{POINTER_INDEX}+1;
 262                         }
 263                 }
 264                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 265                 return ($origvar);
 266         }
 267 }
 268
 269 sub check_null_pointer($$$$)
 270 {
 271         my ($element, $env, $print_fn, $return) = @_;
 272
 273         return sub ($) {
 274                 my $expandedvar = shift;
 275                 my $check = 0;
 276
 277                 # Figure out the number of pointers in $ptr
 278                 $expandedvar =~ s/^(\**)//;
 279                 my $ptr = $1;
 280
 281                 my $var = undef;
 282                 foreach (keys %$env) {
 283                         if ($env->{$_} eq $expandedvar) {
 284                                 $var = $_;
 285                                 last;
 286                         }
 287                 }
 288
 289                 if (defined($var)) {
 290                         my $e;
 291                         # lookup ptr in $e
 292                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 293                                 if ($_->{NAME} eq $var) {
 294                                         $e = $_;
 295                                         last;
 296                                 }
 297                         }
 298
 299                         $e or die("Environment doesn't match siblings");
 300
 301                         # See if pointer at pointer level $level
 302                         # needs to be checked.
 303                         foreach my $l (@{$e->{LEVELS}}) {
 304                                 if ($l->{TYPE} eq "POINTER" and
 305                                         $l->{POINTER_INDEX} == length($ptr)) {
 306                                         # No need to check ref pointers
 307                                         $check = ($l->{POINTER_TYPE} ne "ref");
 308                                         last;
 309                                 }
 310
 311                                 if ($l->{TYPE} eq "DATA") {
 312                                         warning($element, "too much dereferences for `$var'");
 313                                 }
 314                         }
 315                 } else {
 316                         warning($element, "unknown dereferenced expression `$expandedvar'");
 317                         $check = 1;
 318                 }
 319
 320                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 321         }
 322 }
 323
 324 sub ParseArrayPullGetSize($$$$$$)
 325 {
 326         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 327
 328         my $size;
 329
 330         if ($l->{IS_CONFORMANT}) {
 331                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 332         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 333                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 334         } else {
 335                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 336                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 337                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 338                         check_fully_dereferenced($e, $env));
 339         }
 340
 341         $self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
 342         my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
 343
 344         if (my $range = has_property($e, "range")) {
 345                 my ($low, $high) = split(/,/, $range, 2);
 346                 if ($low < 0) {
 347                         warning(0, "$low is invalid for the range of an array size");
 348                 }
 349                 if ($low == 0) {
 350                         $self->pidl("if ($array_size > $high) {");
 351                 } else {
 352                         $self->pidl("if ($array_size < $low || $array_size > $high) {");
 353                 }
 354                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 355                 $self->pidl("}");
 356         }
 357
 358         return $array_size;
 359 }
 360
 361 #####################################################################
 362 # parse an array - pull side
 363 sub ParseArrayPullGetLength($$$$$$;$)
 364 {
 365         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 366
 367         if (not defined($array_size)) {
 368                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 369         }
 370
 371         if (not $l->{IS_VARYING}) {
 372                 return $array_size;
 373         }
 374
 375         my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 376         $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
 377         my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
 378
 379         if (my $range = has_property($e, "range")) {
 380                 my ($low, $high) = split(/,/, $range, 2);
 381                 if ($low < 0) {
 382                         warning(0, "$low is invalid for the range of an array size");
 383                 }
 384                 if ($low == 0) {
 385                         $self->pidl("if ($array_length > $high) {");
 386                 } else {
 387                         $self->pidl("if ($array_length < $low || $array_length > $high) {");
 388                 }
 389                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 390                 $self->pidl("}");
 391         }
 392
 393         return $array_length;
 394 }
 395
 396 #####################################################################
 397 # parse an array - pull side
 398 sub ParseArrayPullHeader($$$$$$)
 399 {
 400         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 401
 402         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 403                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 404         }
 405
 406         if ($l->{IS_VARYING}) {
 407                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 408         }
 409
 410         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 411         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 412
 413         if ($array_length ne $array_size) {
 414                 $self->pidl("if ($array_length > $array_size) {");
 415                 $self->indent;
 416                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 417                 $self->deindent;
 418                 $self->pidl("}");
 419         }
 420
 421         if ($l->{IS_CONFORMANT} and (defined($l->{SIZE_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 422                 $self->defer("if ($var_name) {");
 423                 $self->defer_indent;
 424                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 425                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 426                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 427                         check_fully_dereferenced($e, $env));
 428                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 429                 $self->defer_deindent;
 430                 $self->defer("}");
 431         }
 432
 433         if ($l->{IS_VARYING} and (defined($l->{LENGTH_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 434                 $self->defer("if ($var_name) {");
 435                 $self->defer_indent;
 436                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 437                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 438                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 439                         check_fully_dereferenced($e, $env));
 440                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 441                 $self->defer_deindent;
 442                 $self->defer("}");
 443         }
 444
 445         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 446                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 447         }
 448
 449         return $array_length;
 450 }
 451
 452 sub compression_alg($$)
 453 {
 454         my ($e, $l) = @_;
 455         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 456
 457         return $alg;
 458 }
 459
 460 sub compression_clen($$$)
 461 {
 462         my ($e, $l, $env) = @_;
 463         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 464
 465         return ParseExpr($clen, $env, $e->{ORIGINAL});
 466 }
 467
 468 sub compression_dlen($$$)
 469 {
 470         my ($e,$l,$env) = @_;
 471         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 472
 473         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 474 }
 475
 476 sub ParseCompressionPushStart($$$$$)
 477 {
 478         my ($self,$e,$l,$ndr,$env) = @_;
 479         my $comndr = "$ndr\_compressed";
 480         my $alg = compression_alg($e, $l);
 481         my $dlen = compression_dlen($e, $l, $env);
 482
 483         $self->pidl("{");
 484         $self->indent;
 485         $self->pidl("struct ndr_push *$comndr;");
 486         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 487
 488         return $comndr;
 489 }
 490
 491 sub ParseCompressionPushEnd($$$$$)
 492 {
 493         my ($self,$e,$l,$ndr,$env) = @_;
 494         my $comndr = "$ndr\_compressed";
 495         my $alg = compression_alg($e, $l);
 496         my $dlen = compression_dlen($e, $l, $env);
 497
 498         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 499         $self->deindent;
 500         $self->pidl("}");
 501 }
 502
 503 sub ParseCompressionPullStart($$$$$)
 504 {
 505         my ($self,$e,$l,$ndr,$env) = @_;
 506         my $comndr = "$ndr\_compressed";
 507         my $alg = compression_alg($e, $l);
 508         my $dlen = compression_dlen($e, $l, $env);
 509
 510         $self->pidl("{");
 511         $self->indent;
 512         $self->pidl("struct ndr_pull *$comndr;");
 513         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 514
 515         return $comndr;
 516 }
 517
 518 sub ParseCompressionPullEnd($$$$$)
 519 {
 520         my ($self,$e,$l,$ndr,$env) = @_;
 521         my $comndr = "$ndr\_compressed";
 522         my $alg = compression_alg($e, $l);
 523         my $dlen = compression_dlen($e, $l, $env);
 524
 525         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 526         $self->deindent;
 527         $self->pidl("}");
 528 }
 529
 530 sub ParseSubcontextPushStart($$$$$)
 531 {
 532         my ($self,$e,$l,$ndr,$env) = @_;
 533         my $subndr = "_ndr_$e->{NAME}";
 534         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 535
 536         $self->pidl("{");
 537         $self->indent;
 538         $self->pidl("struct ndr_push *$subndr;");
 539         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 540
 541         if (defined $l->{COMPRESSION}) {
 542                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 543         }
 544
 545         return $subndr;
 546 }
 547
 548 sub ParseSubcontextPushEnd($$$$$)
 549 {
 550         my ($self,$e,$l,$ndr,$env) = @_;
 551         my $subndr = "_ndr_$e->{NAME}";
 552         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 553
 554         if (defined $l->{COMPRESSION}) {
 555                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 556         }
 557
 558         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 559         $self->deindent;
 560         $self->pidl("}");
 561 }
 562
 563 sub ParseSubcontextPullStart($$$$$)
 564 {
 565         my ($self,$e,$l,$ndr,$env) = @_;
 566         my $subndr = "_ndr_$e->{NAME}";
 567         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 568
 569         $self->pidl("{");
 570         $self->indent;
 571         $self->pidl("struct ndr_pull *$subndr;");
 572         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 573
 574         if (defined $l->{COMPRESSION}) {
 575                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 576         }
 577
 578         return $subndr;
 579 }
 580
 581 sub ParseSubcontextPullEnd($$$$$)
 582 {
 583         my ($self,$e,$l,$ndr,$env) = @_;
 584         my $subndr = "_ndr_$e->{NAME}";
 585         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 586
 587         if (defined $l->{COMPRESSION}) {
 588                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 589         }
 590
 591         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 592         $self->deindent;
 593         $self->pidl("}");
 594 }
 595
 596 sub ParseElementPushLevel
 597 {
 598         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 599
 600         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 601
 602         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 603                 $var_name = get_pointer_to($var_name);
 604         }
 605
 606         if (defined($ndr_flags)) {
 607                 if ($l->{TYPE} eq "SUBCONTEXT") {
 608                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 609                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 610                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 611                 } elsif ($l->{TYPE} eq "POINTER") {
 612                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 613                 } elsif ($l->{TYPE} eq "ARRAY") {
 614                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 615
 616                         my $nl = GetNextLevel($e, $l);
 617
 618                         # Allow speedups for arrays of scalar types
 619                         if (is_charset_array($e,$l)) {
 620                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 621                                 return;
 622                         } elsif (has_fast_array($e,$l)) {
 623                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 624                                 return;
 625                         }
 626                 } elsif ($l->{TYPE} eq "SWITCH") {
 627                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 628                 } elsif ($l->{TYPE} eq "DATA") {
 629                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 630                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 631                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 632                 }
 633         }
 634
 635         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
 636                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 637         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
 638                 my $rel_var_name = $var_name;
 639                 if ($l->{POINTER_TYPE} ne "ref") {
 640                         $self->pidl("if ($var_name) {");
 641                         $self->indent;
 642                         if ($l->{POINTER_TYPE} eq "relative") {
 643                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 644                         }
 645                         if ($l->{POINTER_TYPE} eq "relative_short") {
 646                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 647                         }
 648                 }
 649                 $var_name = get_value_of($var_name);
 650                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 651
 652                 if ($l->{POINTER_TYPE} ne "ref") {
 653                         if ($l->{POINTER_TYPE} eq "relative") {
 654                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 655                         }
 656                         $self->deindent;
 657                         $self->pidl("}");
 658                 }
 659         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 660                 not is_charset_array($e, $l)) {
 661                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 662                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 663
 664                 my $array_pointless = ($length eq "0");
 665
 666                 if ($array_pointless) {
 667                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 668                 }
 669
 670                 $var_name = get_array_element($var_name, $counter);
 671
 672                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 673                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 674                         $self->indent;
 675                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 676                         $self->deindent;
 677                         $self->pidl("}");
 678                 }
 679
 680                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 681                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 682                         $self->indent;
 683                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 684                         $self->deindent;
 685                         $self->pidl("}");
 686                 }
 687         } elsif ($l->{TYPE} eq "SWITCH") {
 688                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 689         }
 690 }
 691
 692 #####################################################################
 693 # parse scalars in a structure element
 694 sub ParseElementPush($$$$$$)
 695 {
 696         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 697         my $subndr = undef;
 698
 699         my $var_name = $env->{$e->{NAME}};
 700
 701         return if ContainsPipe($e, $e->{LEVELS}[0]);
 702
 703         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 704
 705         # Representation type is different from transmit_as
 706         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 707                 $self->pidl("{");
 708                 $self->indent;
 709                 my $transmit_name = "_transmit_$e->{NAME}";
 710                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 711                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 712                 $var_name = $transmit_name;
 713         }
 714
 715         $var_name = append_prefix($e, $var_name);
 716
 717         $self->start_flags($e, $ndr);
 718
 719         if (defined(my $value = has_property($e, "value"))) {
 720                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 721         }
 722
 723         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 724
 725         $self->end_flags($e, $ndr);
 726
 727         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 728                 $self->deindent;
 729                 $self->pidl("}");
 730         }
 731 }
 732
 733 #####################################################################
 734 # parse a pointer in a struct element or function
 735 sub ParsePtrPush($$$$$)
 736 {
 737         my ($self,$e,$l,$ndr,$var_name) = @_;
 738
 739         if ($l->{POINTER_TYPE} eq "ref") {
 740                 $self->pidl("if ($var_name == NULL) {");
 741                 $self->indent;
 742                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 743                 $self->deindent;
 744                 $self->pidl("}");
 745                 if ($l->{LEVEL} eq "EMBEDDED") {
 746                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 747                 }
 748         } elsif ($l->{POINTER_TYPE} eq "relative") {
 749                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 750         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 751                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 752         } elsif ($l->{POINTER_TYPE} eq "unique") {
 753                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 754         } elsif ($l->{POINTER_TYPE} eq "full") {
 755                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 756         } elsif ($l->{POINTER_TYPE} eq "ignore") {
 757                 # We don't want this pointer to appear on the wire at all
 758                 $self->pidl("NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, 0));");
 759         } else {
 760                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 761         }
 762 }
 763
 764 sub need_pointer_to($$$)
 765 {
 766         my ($e, $l, $scalar_only) = @_;
 767
 768         my $t;
 769         if (ref($l->{DATA_TYPE})) {
 770                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 771         } else {
 772                 $t = $l->{DATA_TYPE};
 773         }
 774
 775         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 776                 return 1 if $scalar_only;
 777         }
 778
 779         my $arrays = 0;
 780
 781         foreach my $tl (@{$e->{LEVELS}}) {
 782                 last if $l == $tl;
 783                 if ($tl->{TYPE} eq "ARRAY") {
 784                         $arrays++;
 785                 }
 786         }
 787
 788         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 789                 return 1 unless $arrays;
 790         }
 791
 792         return 0;
 793 }
 794
 795 sub ParseDataPrint($$$$$)
 796 {
 797         my ($self, $e, $l, $ndr, $var_name) = @_;
 798
 799         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 800
 801                 if (need_pointer_to($e, $l, 1)) {
 802                         $var_name = get_pointer_to($var_name);
 803                 }
 804
 805                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 806         } else {
 807                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 808         }
 809 }
 810
 811 #####################################################################
 812 # print scalars in a structure element
 813 sub ParseElementPrint($$$$$)
 814 {
 815         my($self, $e, $ndr, $var_name, $env) = @_;
 816
 817         return if (has_property($e, "noprint"));
 818         my $cur_depth = 0;
 819         my $ignore_depth = 0xFFFF;
 820
 821         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 822                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 823                 return;
 824         }
 825
 826         $var_name = append_prefix($e, $var_name);
 827
 828         if (defined(my $value = has_property($e, "value"))) {
 829                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 830         }
 831
 832         foreach my $l (@{$e->{LEVELS}}) {
 833                 $cur_depth += 1;
 834
 835                 if ($cur_depth > $ignore_depth) {
 836                         next;
 837                 }
 838
 839                 if ($l->{TYPE} eq "POINTER") {
 840                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 841                         if ($l->{POINTER_TYPE} eq "ignore") {
 842                                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 843                                 $ignore_depth = $cur_depth;
 844                                 last;
 845                         }
 846                         $self->pidl("$ndr->depth++;");
 847                         if ($l->{POINTER_TYPE} ne "ref") {
 848                                 $self->pidl("if ($var_name) {");
 849                                 $self->indent;
 850                         }
 851                         $var_name = get_value_of($var_name);
 852                 } elsif ($l->{TYPE} eq "ARRAY") {
 853                         my $length;
 854
 855                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 856                                 $var_name = get_pointer_to($var_name);
 857                         }
 858
 859                         if ($l->{IS_ZERO_TERMINATED} and not defined($l->{LENGTH_IS})) {
 860                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 861                         } else {
 862                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 863                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 864                         }
 865
 866                         if (is_charset_array($e,$l)) {
 867                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 868                                 last;
 869                         } elsif (has_fast_array($e, $l)) {
 870                                 my $nl = GetNextLevel($e, $l);
 871                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 872                                 last;
 873                         } else {
 874                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 875
 876                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 877                                 $self->pidl("$ndr->depth++;");
 878                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 879                                 $self->indent;
 880
 881                                 $var_name = get_array_element($var_name, $counter);
 882                         }
 883                 } elsif ($l->{TYPE} eq "DATA") {
 884                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 885                 } elsif ($l->{TYPE} eq "SWITCH") {
 886                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 887                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 888                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 889                 }
 890         }
 891
 892         foreach my $l (reverse @{$e->{LEVELS}}) {
 893                 $cur_depth -= 1;
 894
 895                 if ($cur_depth > $ignore_depth) {
 896                         next;
 897                 }
 898
 899                 if ($l->{TYPE} eq "POINTER") {
 900                         if ($l->{POINTER_TYPE} eq "ignore") {
 901                                 next;
 902                         }
 903
 904                         if ($l->{POINTER_TYPE} ne "ref") {
 905                                 $self->deindent;
 906                                 $self->pidl("}");
 907                         }
 908                         $self->pidl("$ndr->depth--;");
 909                 } elsif (($l->{TYPE} eq "ARRAY")
 910                         and not is_charset_array($e,$l)
 911                         and not has_fast_array($e,$l)) {
 912                         $self->deindent;
 913                         $self->pidl("}");
 914                         $self->pidl("$ndr->depth--;");
 915                 }
 916         }
 917 }
 918
 919 #####################################################################
 920 # parse scalars in a structure element - pull size
 921 sub ParseSwitchPull($$$$$$)
 922 {
 923         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 924         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 925                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 926                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 927                 check_fully_dereferenced($e, $env));
 928
 929         $var_name = get_pointer_to($var_name);
 930         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 931 }
 932
 933 #####################################################################
 934 # push switch element
 935 sub ParseSwitchPush($$$$$$)
 936 {
 937         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 938         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 939                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 940                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 941                 check_fully_dereferenced($e, $env));
 942
 943         $var_name = get_pointer_to($var_name);
 944         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 945 }
 946
 947 sub ParseDataPull($$$$$$$)
 948 {
 949         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 950
 951         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 952
 953                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 954
 955                 if (need_pointer_to($e, $l, 0)) {
 956                         $var_name = get_pointer_to($var_name);
 957                 }
 958
 959                 $var_name = get_pointer_to($var_name);
 960
 961                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 962
 963                 my $pl = GetPrevLevel($e, $l);
 964
 965                 my $range = has_property($e, "range");
 966                 if ($range and $pl->{TYPE} ne "ARRAY") {
 967                         $var_name = get_value_of($var_name);
 968                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 969                         my ($low, $high) = split(/,/, $range, 2);
 970                         if ($low < 0 and not $signed) {
 971                                 warning(0, "$low is invalid for the range of an unsigned type");
 972                         }
 973                         if ($low == 0 and not $signed) {
 974                                 $self->pidl("if ($var_name > $high) {");
 975                         } else {
 976                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 977                         }
 978                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 979                         $self->pidl("}");
 980                 }
 981         } else {
 982                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 983         }
 984 }
 985
 986 sub ParseDataPush($$$$$$$)
 987 {
 988         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 989
 990         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 991
 992                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 993
 994                 # strings are passed by value rather than reference
 995                 if (need_pointer_to($e, $l, 1)) {
 996                         $var_name = get_pointer_to($var_name);
 997                 }
 998
 999                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
1000         } else {
1001                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
1002         }
1003 }
1004
1005 sub CalcNdrFlags($$$)
1006 {
1007         my ($l,$primitives,$deferred) = @_;
1008
1009         my $scalars = 0;
1010         my $buffers = 0;
1011
1012         # Add NDR_SCALARS if this one is deferred
1013         # and deferreds may be pushed
1014         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
1015
1016         # Add NDR_SCALARS if this one is not deferred and
1017         # primitives may be pushed
1018         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
1019
1020         # Add NDR_BUFFERS if this one contains deferred stuff
1021         # and deferreds may be pushed
1022         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
1023
1024         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
1025         return "NDR_SCALARS" if ($scalars);
1026         return "NDR_BUFFERS" if ($buffers);
1027         return undef;
1028 }
1029
1030 sub ParseMemCtxPullFlags($$$$)
1031 {
1032         my ($self, $e, $l) = @_;
1033
1034         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1035         return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
1036
1037         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1038         return undef if has_fast_array($e, $l);
1039         return undef if is_charset_array($e, $l);
1040
1041         my $mem_flags = "0";
1042
1043         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1044                 my $nl = GetNextLevel($e, $l);
1045                 return undef if ($nl->{TYPE} eq "PIPE");
1046                 return undef if ($nl->{TYPE} eq "ARRAY");
1047                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1048
1049                 if ($l->{LEVEL} eq "TOP") {
1050                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1051                 }
1052         }
1053
1054         return $mem_flags;
1055 }
1056
1057 sub ParseMemCtxPullStart($$$$$)
1058 {
1059         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1060
1061         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1062         my $mem_c_ctx = $ptr_name;
1063         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1064
1065         return unless defined($mem_c_flags);
1066
1067         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1068         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1069 }
1070
1071 sub ParseMemCtxPullEnd($$$$)
1072 {
1073         my ($self, $e, $l, $ndr) = @_;
1074
1075         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1076         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1077
1078         return unless defined($mem_r_flags);
1079
1080         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1081 }
1082
1083 sub CheckStringTerminator($$$$$)
1084 {
1085         my ($self,$ndr,$e,$l,$length) = @_;
1086         my $nl = GetNextLevel($e, $l);
1087
1088         # Make sure last element is zero!
1089         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1090 }
1091
1092 sub ParseElementPullLevel
1093 {
1094         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1095
1096         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1097         my $array_length = undef;
1098
1099         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1100                 $var_name = get_pointer_to($var_name);
1101         }
1102
1103         # Only pull something if there's actually something to be pulled
1104         if (defined($ndr_flags)) {
1105                 if ($l->{TYPE} eq "SUBCONTEXT") {
1106                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1107                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1108                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1109                 } elsif ($l->{TYPE} eq "ARRAY") {
1110                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1111                         $array_length = $length;
1112
1113                         my $nl = GetNextLevel($e, $l);
1114
1115                         if (is_charset_array($e,$l)) {
1116                                 if ($l->{IS_ZERO_TERMINATED}) {
1117                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1118                                 }
1119                                 if ($l->{IS_TO_NULL}) {
1120                                         $self->pidl("NDR_CHECK(ndr_pull_charset_to_null($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1121                                 } else {
1122                                         $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}));");
1123                                 }
1124                                 return;
1125                         } elsif (has_fast_array($e, $l)) {
1126                                 if ($l->{IS_ZERO_TERMINATED}) {
1127                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1128                                 }
1129                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1130                                 return;
1131                         }
1132                 } elsif ($l->{TYPE} eq "POINTER") {
1133                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1134                 } elsif ($l->{TYPE} eq "SWITCH") {
1135                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1136                 } elsif ($l->{TYPE} eq "DATA") {
1137                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1138                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1139                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1140                 }
1141         }
1142
1143         # add additional constructions
1144         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1145                 $self->pidl("/* [ignore] '$e->{NAME}' */");
1146         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1147                 if ($l->{POINTER_TYPE} ne "ref") {
1148                         $self->pidl("if ($var_name) {");
1149                         $self->indent;
1150
1151                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1152                                 $self->pidl("uint32_t _relative_save_offset;");
1153                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1154                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1155                         }
1156                 }
1157
1158                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1159
1160                 $var_name = get_value_of($var_name);
1161                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1162
1163                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1164
1165                 if ($l->{POINTER_TYPE} ne "ref") {
1166                         if ($l->{POINTER_TYPE} eq "relative") {
1167                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1168                                 $self->indent;
1169                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1170                                 $self->deindent;
1171                                 $self->pidl("}");
1172                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1173                         }
1174                         $self->deindent;
1175                         $self->pidl("}");
1176                 }
1177         } elsif ($l->{TYPE} eq "ARRAY" and
1178                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1179                 my $length = $array_length;
1180                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1181                 my $array_name = $var_name;
1182
1183                 if (not defined($length)) {
1184                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1185                 }
1186
1187                 $var_name = get_array_element($var_name, $counter);
1188
1189                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1190
1191                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1192                         my $nl = GetNextLevel($e,$l);
1193
1194                         if ($l->{IS_ZERO_TERMINATED}) {
1195                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1196                         }
1197
1198                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1199                         $self->indent;
1200                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1201                         $self->deindent;
1202                         $self->pidl("}");
1203                 }
1204
1205                 if ($deferred and ContainsDeferred($e, $l)) {
1206                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1207                         $self->indent;
1208                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1209                         $self->deindent;
1210                         $self->pidl("}");
1211                 }
1212
1213                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1214
1215         } elsif ($l->{TYPE} eq "SWITCH") {
1216                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1217         }
1218 }
1219
1220 #####################################################################
1221 # parse scalars in a structure element - pull size
1222 sub ParseElementPull($$$$$$)
1223 {
1224         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1225
1226         my $var_name = $env->{$e->{NAME}};
1227         my $represent_name;
1228         my $transmit_name;
1229
1230         return if ContainsPipe($e, $e->{LEVELS}[0]);
1231
1232         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1233
1234         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1235                 $self->pidl("{");
1236                 $self->indent;
1237                 $represent_name = $var_name;
1238                 $transmit_name = "_transmit_$e->{NAME}";
1239                 $var_name = $transmit_name;
1240                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1241         }
1242
1243         $var_name = append_prefix($e, $var_name);
1244
1245         $self->start_flags($e, $ndr);
1246
1247         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1248
1249         $self->end_flags($e, $ndr);
1250
1251         # Representation type is different from transmit_as
1252         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1253                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1254                 $self->deindent;
1255                 $self->pidl("}");
1256         }
1257 }
1258
1259 #####################################################################
1260 # parse a pointer in a struct element or function
1261 sub ParsePtrPull($$$$$)
1262 {
1263         my($self, $e,$l,$ndr,$var_name) = @_;
1264
1265         my $nl = GetNextLevel($e, $l);
1266         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1267         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1268                                                  ($nl->{DATA_TYPE} eq "string"));
1269
1270         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1271
1272                 if (!$next_is_array and !$next_is_string) {
1273                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1274                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1275                         $self->pidl("}");
1276                 }
1277
1278                 return;
1279         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1280                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1281         } elsif (($l->{POINTER_TYPE} eq "unique") or
1282                  ($l->{POINTER_TYPE} eq "relative") or
1283                  ($l->{POINTER_TYPE} eq "full")) {
1284                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1285         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1286                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1287         } elsif ($l->{POINTER_TYPE} eq "ignore") {
1288                 #We want to consume the pointer bytes, but ignore the pointer value
1289                 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1290                 $self->pidl("_ptr_$e->{NAME} = 0;");
1291         } else {
1292                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1293         }
1294
1295         $self->pidl("if (_ptr_$e->{NAME}) {");
1296         $self->indent;
1297
1298         if ($l->{POINTER_TYPE} eq "ignore") {
1299                 # Don't do anything, we don't want to do the
1300                 # allocation, as we forced it to NULL just above, and
1301                 # we may not know the declared type anyway.
1302         } else {
1303                 # Don't do this for arrays, they're allocated at the actual level
1304                 # of the array
1305                 unless ($next_is_array or $next_is_string) {
1306                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1307                 } else {
1308                        # FIXME: Yes, this is nasty.
1309                        # We allocate an array twice
1310                        # - once just to indicate that it's there,
1311                        # - then the real allocation...
1312                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1313                 }
1314         }
1315
1316         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1317         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1318                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1319         }
1320         $self->deindent;
1321         $self->pidl("} else {");
1322         $self->pidl("\t$var_name = NULL;");
1323         $self->pidl("}");
1324 }
1325
1326 sub ParseStructPushPrimitives($$$$$)
1327 {
1328         my ($self, $struct, $ndr, $varname, $env) = @_;
1329
1330         # see if the structure contains a conformant array. If it
1331         # does, then it must be the last element of the structure, and
1332         # we need to push the conformant length early, as it fits on
1333         # the wire before the structure (and even before the structure
1334         # alignment)
1335         if (defined($struct->{SURROUNDING_ELEMENT})) {
1336                 my $e = $struct->{SURROUNDING_ELEMENT};
1337
1338                 if (defined($e->{LEVELS}[0]) and
1339                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1340                         my $size;
1341
1342                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1343                                 if (has_property($e, "charset")) {
1344                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1345                                 } else {
1346                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1347                                 }
1348                                 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1349                                         $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1350                                 }
1351                         } else {
1352                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1353                         }
1354
1355                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1356                 } else {
1357                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1358                 }
1359         }
1360
1361         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1362
1363         if (defined($struct->{PROPERTIES}{relative_base})) {
1364                 # set the current offset as base for relative pointers
1365                 # and store it based on the toplevel struct/union
1366                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1367         }
1368
1369         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1370
1371         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1372 }
1373
1374 sub ParseStructPushDeferred($$$$)
1375 {
1376         my ($self, $struct, $ndr, $varname, $env) = @_;
1377         if (defined($struct->{PROPERTIES}{relative_base})) {
1378                 # retrieve the current offset as base for relative pointers
1379                 # based on the toplevel struct/union
1380                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1381         }
1382         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1383 }
1384
1385 #####################################################################
1386 # parse a struct
1387 sub ParseStructPush($$$$)
1388 {
1389         my ($self, $struct, $ndr, $varname) = @_;
1390
1391         return unless defined($struct->{ELEMENTS});
1392
1393         my $env = GenerateStructEnv($struct, $varname);
1394
1395         EnvSubstituteValue($env, $struct);
1396
1397         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1398
1399         $self->start_flags($struct, $ndr);
1400
1401         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1402         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1403         $self->indent;
1404         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1405         $self->deindent;
1406         $self->pidl("}");
1407
1408         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1409         $self->indent;
1410         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1411         $self->deindent;
1412         $self->pidl("}");
1413
1414         $self->end_flags($struct, $ndr);
1415 }
1416
1417 #####################################################################
1418 # generate a push function for an enum
1419 sub ParseEnumPush($$$$)
1420 {
1421         my($self,$enum,$ndr,$varname) = @_;
1422         my($type_fn) = $enum->{BASE_TYPE};
1423
1424         $self->start_flags($enum, $ndr);
1425         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1426         $self->end_flags($enum, $ndr);
1427 }
1428
1429 #####################################################################
1430 # generate a pull function for an enum
1431 sub ParseEnumPull($$$$)
1432 {
1433         my($self,$enum,$ndr,$varname) = @_;
1434         my($type_fn) = $enum->{BASE_TYPE};
1435         my($type_v_decl) = mapTypeName($type_fn);
1436
1437         $self->pidl("$type_v_decl v;");
1438         $self->start_flags($enum, $ndr);
1439         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1440         $self->pidl("*$varname = v;");
1441
1442         $self->end_flags($enum, $ndr);
1443 }
1444
1445 #####################################################################
1446 # generate a print function for an enum
1447 sub ParseEnumPrint($$$$$)
1448 {
1449         my($self,$enum,$ndr,$name,$varname) = @_;
1450
1451         $self->pidl("const char *val = NULL;");
1452         $self->pidl("");
1453
1454         $self->start_flags($enum, $ndr);
1455
1456         $self->pidl("switch ($varname) {");
1457         $self->indent;
1458         my $els = \@{$enum->{ELEMENTS}};
1459         foreach my $i (0 .. $#{$els}) {
1460                 my $e = ${$els}[$i];
1461                 chomp $e;
1462                 if ($e =~ /^(.*)=/) {
1463                         $e = $1;
1464                 }
1465                 $self->pidl("case $e: val = \"$e\"; break;");
1466         }
1467
1468         $self->deindent;
1469         $self->pidl("}");
1470
1471         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1472
1473         $self->end_flags($enum, $ndr);
1474 }
1475
1476 sub DeclEnum($$$$)
1477 {
1478         my ($e,$t,$name,$varname) = @_;
1479         return "enum $name " .
1480                 ($t eq "pull"?"*":"") . $varname;
1481 }
1482
1483 $typefamily{ENUM} = {
1484         DECL => \&DeclEnum,
1485         PUSH_FN_BODY => \&ParseEnumPush,
1486         PULL_FN_BODY => \&ParseEnumPull,
1487         PRINT_FN_BODY => \&ParseEnumPrint,
1488 };
1489
1490 #####################################################################
1491 # generate a push function for a bitmap
1492 sub ParseBitmapPush($$$$)
1493 {
1494         my($self,$bitmap,$ndr,$varname) = @_;
1495         my($type_fn) = $bitmap->{BASE_TYPE};
1496
1497         $self->start_flags($bitmap, $ndr);
1498
1499         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1500
1501         $self->end_flags($bitmap, $ndr);
1502 }
1503
1504 #####################################################################
1505 # generate a pull function for an bitmap
1506 sub ParseBitmapPull($$$$)
1507 {
1508         my($self,$bitmap,$ndr,$varname) = @_;
1509         my $type_fn = $bitmap->{BASE_TYPE};
1510         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1511
1512         $self->pidl("$type_decl v;");
1513         $self->start_flags($bitmap, $ndr);
1514         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1515         $self->pidl("*$varname = v;");
1516
1517         $self->end_flags($bitmap, $ndr);
1518 }
1519
1520 #####################################################################
1521 # generate a print function for an bitmap
1522 sub ParseBitmapPrintElement($$$$$$)
1523 {
1524         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1525         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1526         my($type_fn) = $bitmap->{BASE_TYPE};
1527         my($flag);
1528
1529         if ($e =~ /^(\w+) .*$/) {
1530                 $flag = "$1";
1531         } else {
1532                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1533         }
1534
1535         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1536 }
1537
1538 #####################################################################
1539 # generate a print function for an bitmap
1540 sub ParseBitmapPrint($$$$$)
1541 {
1542         my($self,$bitmap,$ndr,$name,$varname) = @_;
1543         my($type_decl) = mapTypeName($bitmap->{TYPE});
1544         my($type_fn) = $bitmap->{BASE_TYPE};
1545
1546         $self->start_flags($bitmap, $ndr);
1547
1548         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1549
1550         $self->pidl("$ndr->depth++;");
1551         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1552                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1553         }
1554         $self->pidl("$ndr->depth--;");
1555
1556         $self->end_flags($bitmap, $ndr);
1557 }
1558
1559 sub DeclBitmap($$$$)
1560 {
1561         my ($e,$t,$name,$varname) = @_;
1562         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1563                 ($t eq "pull"?" *":" ") . $varname;
1564 }
1565
1566 $typefamily{BITMAP} = {
1567         DECL => \&DeclBitmap,
1568         PUSH_FN_BODY => \&ParseBitmapPush,
1569         PULL_FN_BODY => \&ParseBitmapPull,
1570         PRINT_FN_BODY => \&ParseBitmapPrint,
1571 };
1572
1573 #####################################################################
1574 # generate a struct print function
1575 sub ParseStructPrint($$$$$)
1576 {
1577         my($self,$struct,$ndr,$name,$varname) = @_;
1578
1579         return unless defined $struct->{ELEMENTS};
1580
1581         my $env = GenerateStructEnv($struct, $varname);
1582
1583         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1584
1585         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1586         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1587
1588         $self->start_flags($struct, $ndr);
1589
1590         $self->pidl("$ndr->depth++;");
1591
1592         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1593                 foreach (@{$struct->{ELEMENTS}});
1594         $self->pidl("$ndr->depth--;");
1595
1596         $self->end_flags($struct, $ndr);
1597 }
1598
1599 sub DeclarePtrVariables($$)
1600 {
1601         my ($self,$e) = @_;
1602         foreach my $l (@{$e->{LEVELS}}) {
1603                 my $size = 32;
1604                 if ($l->{TYPE} eq "POINTER" and
1605                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1606                         if ($l->{POINTER_TYPE} eq "relative_short") {
1607                                 $size = 16;
1608                         }
1609                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1610                         last;
1611                 }
1612         }
1613 }
1614
1615 sub DeclareArrayVariables($$;$)
1616 {
1617         my ($self,$e,$pull) = @_;
1618
1619         foreach my $l (@{$e->{LEVELS}}) {
1620                 next if ($l->{TYPE} ne "ARRAY");
1621                 if (defined($pull)) {
1622                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1623                         if ($l->{IS_VARYING}) {
1624                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1625                         }
1626                 }
1627                 next if has_fast_array($e,$l);
1628                 next if is_charset_array($e,$l);
1629                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1630         }
1631 }
1632
1633 sub DeclareArrayVariablesNoZero($$$)
1634 {
1635         my ($self,$e,$env) = @_;
1636
1637         foreach my $l (@{$e->{LEVELS}}) {
1638                 next if ($l->{TYPE} ne "ARRAY");
1639                 next if has_fast_array($e,$l);
1640                 next if is_charset_array($e,$l);
1641                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1642                 if ($length eq "0") {
1643                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1644                 } else {
1645                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1646                 }
1647         }
1648 }
1649
1650 sub DeclareMemCtxVariables($$)
1651 {
1652         my ($self,$e) = @_;
1653         foreach my $l (@{$e->{LEVELS}}) {
1654                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1655
1656                 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1657                         last;
1658                 }
1659
1660                 if (defined($mem_flags)) {
1661                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1662                 }
1663         }
1664 }
1665
1666 sub ParseStructPullPrimitives($$$$$)
1667 {
1668         my($self,$struct,$ndr,$varname,$env) = @_;
1669
1670         if (defined $struct->{SURROUNDING_ELEMENT}) {
1671                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1672         }
1673
1674         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1675
1676         if (defined($struct->{PROPERTIES}{relative_base})) {
1677                 # set the current offset as base for relative pointers
1678                 # and store it based on the toplevel struct/union
1679                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1680         }
1681
1682         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1683
1684         $self->add_deferred();
1685
1686         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1687 }
1688
1689 sub ParseStructPullDeferred($$$$$)
1690 {
1691         my ($self,$struct,$ndr,$varname,$env) = @_;
1692
1693         if (defined($struct->{PROPERTIES}{relative_base})) {
1694                 # retrieve the current offset as base for relative pointers
1695                 # based on the toplevel struct/union
1696                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1697         }
1698         foreach my $e (@{$struct->{ELEMENTS}}) {
1699                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1700         }
1701
1702         $self->add_deferred();
1703 }
1704
1705 #####################################################################
1706 # parse a struct - pull side
1707 sub ParseStructPull($$$$)
1708 {
1709         my($self,$struct,$ndr,$varname) = @_;
1710
1711         return unless defined $struct->{ELEMENTS};
1712
1713         # declare any internal pointers we need
1714         foreach my $e (@{$struct->{ELEMENTS}}) {
1715                 $self->DeclarePtrVariables($e);
1716                 $self->DeclareArrayVariables($e, "pull");
1717                 $self->DeclareMemCtxVariables($e);
1718         }
1719
1720         $self->start_flags($struct, $ndr);
1721
1722         my $env = GenerateStructEnv($struct, $varname);
1723
1724         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1725         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1726         $self->indent;
1727         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1728         $self->deindent;
1729         $self->pidl("}");
1730         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1731         $self->indent;
1732         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1733         $self->deindent;
1734         $self->pidl("}");
1735
1736         $self->end_flags($struct, $ndr);
1737 }
1738
1739 #####################################################################
1740 # calculate size of ndr struct
1741 sub ParseStructNdrSize($$$$)
1742 {
1743         my ($self,$t, $name, $varname) = @_;
1744         my $sizevar;
1745
1746         if (my $flags = has_property($t, "flag")) {
1747                 $self->pidl("flags |= $flags;");
1748         }
1749         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1750 }
1751
1752 sub DeclStruct($$$$)
1753 {
1754         my ($e,$t,$name,$varname) = @_;
1755         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1756 }
1757
1758 sub ArgsStructNdrSize($$$)
1759 {
1760         my ($d, $name, $varname) = @_;
1761         return "const struct $name *$varname, int flags";
1762 }
1763
1764 $typefamily{STRUCT} = {
1765         PUSH_FN_BODY => \&ParseStructPush,
1766         DECL => \&DeclStruct,
1767         PULL_FN_BODY => \&ParseStructPull,
1768         PRINT_FN_BODY => \&ParseStructPrint,
1769         SIZE_FN_BODY => \&ParseStructNdrSize,
1770         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1771 };
1772
1773 #####################################################################
1774 # calculate size of ndr struct
1775 sub ParseUnionNdrSize($$$)
1776 {
1777         my ($self, $t, $name, $varname) = @_;
1778         my $sizevar;
1779
1780         if (my $flags = has_property($t, "flag")) {
1781                 $self->pidl("flags |= $flags;");
1782         }
1783
1784         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1785 }
1786
1787 sub ParseUnionPushPrimitives($$$$)
1788 {
1789         my ($self, $e, $ndr ,$varname) = @_;
1790
1791         my $have_default = 0;
1792
1793         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1794
1795         if (defined($e->{SWITCH_TYPE})) {
1796                 if (defined($e->{ALIGN})) {
1797                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1798                 }
1799
1800                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1801         }
1802
1803         if (defined($e->{ALIGN})) {
1804                 if ($e->{IS_MS_UNION}) {
1805                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1806                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1807                 } else {
1808                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1809                 }
1810         }
1811
1812         $self->pidl("switch (level) {");
1813         $self->indent;
1814         foreach my $el (@{$e->{ELEMENTS}}) {
1815                 if ($el->{CASE} eq "default") {
1816                         $have_default = 1;
1817                 }
1818                 $self->pidl("$el->{CASE}: {");
1819
1820                 if ($el->{TYPE} ne "EMPTY") {
1821                         $self->indent;
1822                         if (defined($e->{PROPERTIES}{relative_base})) {
1823                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1824                                 # set the current offset as base for relative pointers
1825                                 # and store it based on the toplevel struct/union
1826                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1827                         }
1828                         $self->DeclareArrayVariables($el);
1829                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1830                         $self->deindent;
1831                 }
1832                 $self->pidl("break; }");
1833                 $self->pidl("");
1834         }
1835         if (! $have_default) {
1836                 $self->pidl("default:");
1837                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1838         }
1839         $self->deindent;
1840         $self->pidl("}");
1841 }
1842
1843 sub ParseUnionPushDeferred($$$$)
1844 {
1845         my ($self,$e,$ndr,$varname) = @_;
1846
1847         my $have_default = 0;
1848
1849         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1850         if (defined($e->{PROPERTIES}{relative_base})) {
1851                 # retrieve the current offset as base for relative pointers
1852                 # based on the toplevel struct/union
1853                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1854         }
1855         $self->pidl("switch (level) {");
1856         $self->indent;
1857         foreach my $el (@{$e->{ELEMENTS}}) {
1858                 if ($el->{CASE} eq "default") {
1859                         $have_default = 1;
1860                 }
1861
1862                 $self->pidl("$el->{CASE}:");
1863                 if ($el->{TYPE} ne "EMPTY") {
1864                         $self->indent;
1865                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1866                         $self->deindent;
1867                 }
1868                 $self->pidl("break;");
1869                 $self->pidl("");
1870         }
1871         if (! $have_default) {
1872                 $self->pidl("default:");
1873                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1874         }
1875         $self->deindent;
1876         $self->pidl("}");
1877 }
1878
1879 #####################################################################
1880 # parse a union - push side
1881 sub ParseUnionPush($$$$)
1882 {
1883         my ($self,$e,$ndr,$varname) = @_;
1884         my $have_default = 0;
1885
1886         $self->start_flags($e, $ndr);
1887
1888         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1889         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1890         $self->indent;
1891         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1892         $self->deindent;
1893         $self->pidl("}");
1894         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1895         $self->indent;
1896         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1897         $self->deindent;
1898         $self->pidl("}");
1899         $self->end_flags($e, $ndr);
1900 }
1901
1902 #####################################################################
1903 # print a union
1904 sub ParseUnionPrint($$$$$)
1905 {
1906         my ($self,$e,$ndr,$name,$varname) = @_;
1907         my $have_default = 0;
1908
1909         $self->pidl("uint32_t level;");
1910         foreach my $el (@{$e->{ELEMENTS}}) {
1911                 $self->DeclareArrayVariables($el);
1912         }
1913
1914         $self->start_flags($e, $ndr);
1915
1916         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1917
1918         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1919
1920         $self->pidl("switch (level) {");
1921         $self->indent;
1922         foreach my $el (@{$e->{ELEMENTS}}) {
1923                 if ($el->{CASE} eq "default") {
1924                         $have_default = 1;
1925                 }
1926                 $self->pidl("$el->{CASE}:");
1927                 if ($el->{TYPE} ne "EMPTY") {
1928                         $self->indent;
1929                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1930                         $self->deindent;
1931                 }
1932                 $self->pidl("break;");
1933                 $self->pidl("");
1934         }
1935         if (! $have_default) {
1936                 $self->pidl("default:");
1937                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1938         }
1939         $self->deindent;
1940         $self->pidl("}");
1941
1942         $self->end_flags($e, $ndr);
1943 }
1944
1945 sub ParseUnionPullPrimitives($$$$$)
1946 {
1947         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1948         my $have_default = 0;
1949
1950
1951         if (defined($switch_type)) {
1952                 if (defined($e->{ALIGN})) {
1953                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1954                 }
1955
1956                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1957                 $self->pidl("if (_level != level) {");
1958                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1959                 $self->pidl("}");
1960         }
1961
1962         if (defined($e->{ALIGN})) {
1963                 if ($e->{IS_MS_UNION}) {
1964                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1965                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1966                 } else {
1967                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1968                 }
1969         }
1970
1971         $self->pidl("switch (level) {");
1972         $self->indent;
1973         foreach my $el (@{$e->{ELEMENTS}}) {
1974                 if ($el->{CASE} eq "default") {
1975                         $have_default = 1;
1976                 }
1977                 $self->pidl("$el->{CASE}: {");
1978
1979                 if ($el->{TYPE} ne "EMPTY") {
1980                         $self->indent;
1981                         if (defined($e->{PROPERTIES}{relative_base})) {
1982                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1983                                 # set the current offset as base for relative pointers
1984                                 # and store it based on the toplevel struct/union
1985                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1986                         }
1987                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1988                         $self->deindent;
1989                 }
1990                 $self->pidl("break; }");
1991                 $self->pidl("");
1992         }
1993         if (! $have_default) {
1994                 $self->pidl("default:");
1995                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1996         }
1997         $self->deindent;
1998         $self->pidl("}");
1999 }
2000
2001 sub ParseUnionPullDeferred($$$$)
2002 {
2003         my ($self,$e,$ndr,$varname) = @_;
2004         my $have_default = 0;
2005
2006         if (defined($e->{PROPERTIES}{relative_base})) {
2007                 # retrieve the current offset as base for relative pointers
2008                 # based on the toplevel struct/union
2009                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
2010         }
2011         $self->pidl("switch (level) {");
2012         $self->indent;
2013         foreach my $el (@{$e->{ELEMENTS}}) {
2014                 if ($el->{CASE} eq "default") {
2015                         $have_default = 1;
2016                 }
2017
2018                 $self->pidl("$el->{CASE}:");
2019                 if ($el->{TYPE} ne "EMPTY") {
2020                         $self->indent;
2021                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
2022                         $self->deindent;
2023                 }
2024                 $self->pidl("break;");
2025                 $self->pidl("");
2026         }
2027         if (! $have_default) {
2028                 $self->pidl("default:");
2029                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2030         }
2031         $self->deindent;
2032         $self->pidl("}");
2033
2034
2035 }
2036
2037 #####################################################################
2038 # parse a union - pull side
2039 sub ParseUnionPull($$$$)
2040 {
2041         my ($self,$e,$ndr,$varname) = @_;
2042         my $switch_type = $e->{SWITCH_TYPE};
2043
2044         $self->pidl("uint32_t level;");
2045         if (defined($switch_type)) {
2046                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2047                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2048                 }
2049                 $self->pidl(mapTypeName($switch_type) . " _level;");
2050         }
2051
2052         my %double_cases = ();
2053         foreach my $el (@{$e->{ELEMENTS}}) {
2054                 next if ($el->{TYPE} eq "EMPTY");
2055                 next if ($double_cases{"$el->{NAME}"});
2056                 $self->DeclareMemCtxVariables($el);
2057                 $self->DeclarePtrVariables($el);
2058                 $self->DeclareArrayVariables($el, "pull");
2059                 $double_cases{"$el->{NAME}"} = 1;
2060         }
2061
2062         $self->start_flags($e, $ndr);
2063
2064         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2065
2066         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2067         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2068         $self->indent;
2069         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2070         $self->deindent;
2071         $self->pidl("}");
2072
2073         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2074         $self->indent;
2075         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2076         $self->deindent;
2077         $self->pidl("}");
2078
2079         $self->add_deferred();
2080
2081         $self->end_flags($e, $ndr);
2082 }
2083
2084 sub DeclUnion($$$$)
2085 {
2086         my ($e,$t,$name,$varname) = @_;
2087         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2088 }
2089
2090 sub ArgsUnionNdrSize($$)
2091 {
2092         my ($d,$name) = @_;
2093         return "const union $name *r, uint32_t level, int flags";
2094 }
2095
2096 $typefamily{UNION} = {
2097         PUSH_FN_BODY => \&ParseUnionPush,
2098         DECL => \&DeclUnion,
2099         PULL_FN_BODY => \&ParseUnionPull,
2100         PRINT_FN_BODY => \&ParseUnionPrint,
2101         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2102         SIZE_FN_BODY => \&ParseUnionNdrSize,
2103 };
2104
2105 #####################################################################
2106 # parse a typedef - push side
2107 sub ParseTypedefPush($$$$)
2108 {
2109         my($self,$e,$ndr,$varname) = @_;
2110
2111         my $env;
2112
2113         $env->{$e->{NAME}} = $varname;
2114
2115         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2116 }
2117
2118 #####################################################################
2119 # parse a typedef - pull side
2120 sub ParseTypedefPull($$$$)
2121 {
2122         my($self,$e,$ndr,$varname) = @_;
2123
2124         my $env;
2125
2126         $env->{$e->{NAME}} = $varname;
2127
2128         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2129 }
2130
2131 #####################################################################
2132 # parse a typedef - print side
2133 sub ParseTypedefPrint($$$$$)
2134 {
2135         my($self,$e,$ndr,$name,$varname) = @_;
2136
2137         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2138 }
2139
2140 #####################################################################
2141 ## calculate the size of a structure
2142 sub ParseTypedefNdrSize($$$$)
2143 {
2144         my($self,$t,$name,$varname) = @_;
2145
2146         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2147 }
2148
2149 sub DeclTypedef($$$$)
2150 {
2151         my ($e, $t, $name, $varname) = @_;
2152
2153         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2154 }
2155
2156 sub ArgsTypedefNdrSize($$$)
2157 {
2158         my ($d, $name, $varname) = @_;
2159         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2160 }
2161
2162 $typefamily{TYPEDEF} = {
2163         PUSH_FN_BODY => \&ParseTypedefPush,
2164         DECL => \&DeclTypedef,
2165         PULL_FN_BODY => \&ParseTypedefPull,
2166         PRINT_FN_BODY => \&ParseTypedefPrint,
2167         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2168         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2169 };
2170
2171 sub ParsePipePushChunk($$)
2172 {
2173         my ($self, $t) = @_;
2174
2175         my $pipe = $t;
2176         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2177         my $struct = $pipe->{DATA};
2178
2179         my $name = "$struct->{NAME}";
2180         my $ndr = "ndr";
2181         my $varname = "r";
2182
2183         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2184
2185         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2186
2187         return if has_property($t, "nopush");
2188
2189         $self->pidl("{");
2190         $self->indent;
2191
2192         $self->ParseStructPush($struct, $ndr, $varname);
2193         $self->pidl("");
2194
2195         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2196         $self->pidl("");
2197
2198         $self->pidl("return NDR_ERR_SUCCESS;");
2199         $self->deindent;
2200         $self->pidl("}");
2201         $self->pidl("");
2202 }
2203
2204 sub ParsePipePullChunk($$)
2205 {
2206         my ($self, $t) = @_;
2207
2208         my $pipe = $t;
2209         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2210         my $struct = $pipe->{DATA};
2211
2212         my $name = "$struct->{NAME}";
2213         my $ndr = "ndr";
2214         my $varname = "r";
2215
2216         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2217
2218         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2219
2220         return if has_property($struct, "nopull");
2221
2222         $self->pidl("{");
2223         $self->indent;
2224
2225         $self->ParseStructPull($struct, $ndr, $varname);
2226         $self->pidl("");
2227
2228         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2229         $self->pidl("");
2230
2231         $self->pidl("return NDR_ERR_SUCCESS;");
2232         $self->deindent;
2233         $self->pidl("}");
2234         $self->pidl("");
2235 }
2236
2237 sub ParsePipePrintChunk($$)
2238 {
2239         my ($self, $t) = @_;
2240
2241         my $pipe = $t;
2242         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2243         my $struct = $pipe->{DATA};
2244
2245         my $name = "$struct->{NAME}";
2246         my $ndr = "ndr";
2247         my $varname = "r";
2248
2249         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2250
2251         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2252
2253         return if (has_property($t, "noprint"));
2254
2255         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2256         $self->pidl("{");
2257         $self->indent;
2258         $self->ParseTypePrint($struct, $ndr, $varname);
2259         $self->deindent;
2260         $self->pidl("}");
2261         $self->pidl("");
2262 }
2263
2264 #####################################################################
2265 # parse a function - print side
2266 sub ParseFunctionPrint($$)
2267 {
2268         my($self, $fn) = @_;
2269         my $ndr = "ndr";
2270
2271         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2272
2273         return if has_property($fn, "noprint");
2274
2275         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2276         $self->pidl("{");
2277         $self->indent;
2278
2279         foreach my $e (@{$fn->{ELEMENTS}}) {
2280                 $self->DeclareArrayVariables($e);
2281         }
2282
2283         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2284         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2285         $self->pidl("$ndr->depth++;");
2286
2287         $self->pidl("if (flags & NDR_SET_VALUES) {");
2288         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2289         $self->pidl("}");
2290
2291         $self->pidl("if (flags & NDR_IN) {");
2292         $self->indent;
2293         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2294         $self->pidl("$ndr->depth++;");
2295
2296         my $env = GenerateFunctionInEnv($fn);
2297
2298         foreach my $e (@{$fn->{ELEMENTS}}) {
2299                 if (grep(/in/,@{$e->{DIRECTION}})) {
2300                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2301                 }
2302         }
2303         $self->pidl("$ndr->depth--;");
2304         $self->deindent;
2305         $self->pidl("}");
2306
2307         $self->pidl("if (flags & NDR_OUT) {");
2308         $self->indent;
2309         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2310         $self->pidl("$ndr->depth++;");
2311
2312         $env = GenerateFunctionOutEnv($fn);
2313         foreach my $e (@{$fn->{ELEMENTS}}) {
2314                 if (grep(/out/,@{$e->{DIRECTION}})) {
2315                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2316                 }
2317         }
2318         if ($fn->{RETURN_TYPE}) {
2319                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2320         }
2321         $self->pidl("$ndr->depth--;");
2322         $self->deindent;
2323         $self->pidl("}");
2324
2325         $self->pidl("$ndr->depth--;");
2326         $self->deindent;
2327         $self->pidl("}");
2328         $self->pidl("");
2329 }
2330
2331 #####################################################################
2332 # parse a function
2333 sub ParseFunctionPush($$)
2334 {
2335         my($self, $fn) = @_;
2336         my $ndr = "ndr";
2337
2338         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2339
2340         return if has_property($fn, "nopush");
2341
2342         $self->pidl("{");
2343         $self->indent;
2344
2345         foreach my $e (@{$fn->{ELEMENTS}}) {
2346                 $self->DeclareArrayVariables($e);
2347         }
2348
2349         $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2350
2351         $self->pidl("if (flags & NDR_IN) {");
2352         $self->indent;
2353
2354         my $env = GenerateFunctionInEnv($fn);
2355
2356         EnvSubstituteValue($env, $fn);
2357
2358         foreach my $e (@{$fn->{ELEMENTS}}) {
2359                 if (grep(/in/,@{$e->{DIRECTION}})) {
2360                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2361                 }
2362         }
2363
2364         $self->deindent;
2365         $self->pidl("}");
2366
2367         $self->pidl("if (flags & NDR_OUT) {");
2368         $self->indent;
2369
2370         $env = GenerateFunctionOutEnv($fn);
2371         foreach my $e (@{$fn->{ELEMENTS}}) {
2372                 if (grep(/out/,@{$e->{DIRECTION}})) {
2373                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2374                 }
2375         }
2376
2377         if ($fn->{RETURN_TYPE}) {
2378                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2379         }
2380
2381         $self->deindent;
2382         $self->pidl("}");
2383         $self->pidl("return NDR_ERR_SUCCESS;");
2384         $self->deindent;
2385         $self->pidl("}");
2386         $self->pidl("");
2387 }
2388
2389 sub AllocateArrayLevel($$$$$$)
2390 {
2391         my ($self,$e,$l,$ndr,$var,$size) = @_;
2392
2393         my $pl = GetPrevLevel($e, $l);
2394         if (defined($pl) and
2395             $pl->{TYPE} eq "POINTER" and
2396             $pl->{POINTER_TYPE} eq "ref"
2397             and not $l->{IS_ZERO_TERMINATED}) {
2398                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2399                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2400                 $self->pidl("}");
2401                 if (grep(/in/,@{$e->{DIRECTION}}) and
2402                     grep(/out/,@{$e->{DIRECTION}})) {
2403                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2404                 }
2405                 return;
2406         }
2407
2408         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2409 }
2410
2411 #####################################################################
2412 # parse a function
2413 sub ParseFunctionPull($$)
2414 {
2415         my($self,$fn) = @_;
2416         my $ndr = "ndr";
2417
2418         # pull function args
2419         $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;
2420
2421         $self->pidl("{");
2422         $self->indent;
2423
2424         # declare any internal pointers we need
2425         foreach my $e (@{$fn->{ELEMENTS}}) {
2426                 $self->DeclarePtrVariables($e);
2427                 $self->DeclareArrayVariables($e, "pull");
2428         }
2429
2430         my %double_cases = ();
2431         foreach my $e (@{$fn->{ELEMENTS}}) {
2432                 next if ($e->{TYPE} eq "EMPTY");
2433                 next if ($double_cases{"$e->{NAME}"});
2434                 $self->DeclareMemCtxVariables($e);
2435                 $double_cases{"$e->{NAME}"} = 1;
2436         }
2437
2438         $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2439
2440         $self->pidl("if (flags & NDR_IN) {");
2441         $self->indent;
2442
2443         # auto-init the out section of a structure. I originally argued that
2444         # this was a bad idea as it hides bugs, but coping correctly
2445         # with initialisation and not wiping ref vars is turning
2446         # out to be too tricky (tridge)
2447         foreach my $e (@{$fn->{ELEMENTS}}) {
2448                 next unless grep(/out/, @{$e->{DIRECTION}});
2449                 $self->pidl("ZERO_STRUCT(r->out);");
2450                 $self->pidl("");
2451                 last;
2452         }
2453
2454         my $env = GenerateFunctionInEnv($fn);
2455
2456         foreach my $e (@{$fn->{ELEMENTS}}) {
2457                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2458                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2459         }
2460
2461         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2462         # own flag rather than be in NDR_IN ?
2463
2464         foreach my $e (@{$fn->{ELEMENTS}}) {
2465                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2466                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2467                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2468                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2469                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2470                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2471                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2472                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2473
2474                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2475                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2476                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2477                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2478                                 check_fully_dereferenced($e, $env));
2479                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2480
2481                         if (grep(/in/, @{$e->{DIRECTION}})) {
2482                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2483                         } else {
2484                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2485                         }
2486                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2487                         if (grep(/in/, @{$e->{DIRECTION}})) {
2488                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2489                         } else {
2490                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2491                         }
2492                 } else {
2493                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2494
2495                         if (grep(/in/, @{$e->{DIRECTION}})) {
2496                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2497                         } else {
2498                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2499                         }
2500                 }
2501         }
2502
2503         $self->add_deferred();
2504         $self->deindent;
2505         $self->pidl("}");
2506
2507         $self->pidl("if (flags & NDR_OUT) {");
2508         $self->indent;
2509
2510         $env = GenerateFunctionOutEnv($fn);
2511         foreach my $e (@{$fn->{ELEMENTS}}) {
2512                 next unless grep(/out/, @{$e->{DIRECTION}});
2513                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2514         }
2515
2516         if ($fn->{RETURN_TYPE}) {
2517                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2518         }
2519
2520         $self->add_deferred();
2521         $self->deindent;
2522         $self->pidl("}");
2523
2524         $self->pidl("return NDR_ERR_SUCCESS;");
2525         $self->deindent;
2526         $self->pidl("}");
2527         $self->pidl("");
2528 }
2529
2530 sub AuthServiceStruct($$$)
2531 {
2532         my ($self, $ifacename, $authservice) = @_;
2533         my @a = split /,/, $authservice;
2534         my $authservice_count = $#a + 1;
2535
2536         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2537         foreach my $ap (@a) {
2538                 $self->pidl("\t$ap, ");
2539         }
2540         $self->pidl("};");
2541         $self->pidl("");
2542
2543         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2544         $self->pidl("\t.count\t= $authservice_count,");
2545         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2546         $self->pidl("};");
2547         $self->pidl("");
2548 }
2549
2550 sub ParseGeneratePipeArray($$$)
2551 {
2552         my ($self, $fn, $direction) = @_;
2553
2554         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2555         $self->indent;
2556
2557         foreach my $e (@{$fn->{ELEMENTS}}) {
2558                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2559                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2560
2561                 my $cname = "$e->{TYPE}_chunk";
2562
2563                 $self->pidl("{");
2564                 $self->indent;
2565                 $self->pidl("\"$direction.$e->{NAME}\",");
2566                 $self->pidl("\"$cname\",");
2567                 $self->pidl("sizeof(struct $cname),");
2568                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2569                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2570                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2571                 $self->deindent;
2572                 $self->pidl("},");
2573         }
2574         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2575         $self->deindent;
2576         $self->pidl("};");
2577         $self->pidl("");
2578 }
2579
2580 sub FunctionCallPipes($$)
2581 {
2582         my ($self, $d) = @_;
2583         return if not defined($d->{OPNUM});
2584
2585         my $in_pipes = 0;
2586         my $out_pipes = 0;
2587
2588         foreach my $e (@{$d->{ELEMENTS}}) {
2589                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2590
2591                 if (grep(/in/, @{$e->{DIRECTION}})) {
2592                         $in_pipes++;
2593                 }
2594                 if (grep(/out/, @{$e->{DIRECTION}})) {
2595                         $out_pipes++;
2596                 }
2597         }
2598
2599         if ($in_pipes) {
2600                 $self->ParseGeneratePipeArray($d, "in");
2601         }
2602
2603         if ($out_pipes) {
2604                 $self->ParseGeneratePipeArray($d, "out");
2605         }
2606 }
2607
2608 sub FunctionCallEntry($$)
2609 {
2610         my ($self, $d) = @_;
2611         return 0 if not defined($d->{OPNUM});
2612
2613         my $in_pipes = 0;
2614         my $out_pipes = 0;
2615
2616         foreach my $e (@{$d->{ELEMENTS}}) {
2617                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2618
2619                 if (grep(/in/, @{$e->{DIRECTION}})) {
2620                         $in_pipes++;
2621                 }
2622                 if (grep(/out/, @{$e->{DIRECTION}})) {
2623                         $out_pipes++;
2624                 }
2625         }
2626
2627         my $in_pipes_ptr = "NULL";
2628         my $out_pipes_ptr = "NULL";
2629
2630         if ($in_pipes) {
2631                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2632         }
2633
2634         if ($out_pipes) {
2635                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2636         }
2637
2638         $self->pidl("\t{");
2639         $self->pidl("\t\t\"$d->{NAME}\",");
2640         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2641         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2642         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2643         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2644         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2645         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2646         $self->pidl("\t},");
2647         return 1;
2648 }
2649
2650 #####################################################################
2651 # produce a function call table
2652 sub FunctionTable($$)
2653 {
2654         my($self,$interface) = @_;
2655         my $count = 0;
2656         my $uname = uc $interface->{NAME};
2657
2658         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2659         return unless defined ($interface->{PROPERTIES}->{uuid});
2660
2661         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2662                 $self->FunctionCallPipes($d);
2663         }
2664
2665         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2666
2667         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2668                 $count += $self->FunctionCallEntry($d);
2669         }
2670         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2671         $self->pidl("};");
2672         $self->pidl("");
2673
2674         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2675         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2676                 $self->pidl("\t$ep, ");
2677         }
2678         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2679
2680         $self->pidl("};");
2681         $self->pidl("");
2682
2683         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2684         $self->pidl("\t.count\t= $endpoint_count,");
2685         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2686         $self->pidl("};");
2687         $self->pidl("");
2688
2689         if (! defined $interface->{PROPERTIES}->{authservice}) {
2690                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2691         }
2692
2693         $self->AuthServiceStruct($interface->{NAME},
2694                                      $interface->{PROPERTIES}->{authservice});
2695
2696         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2697         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2698         $self->pidl("\t.syntax_id\t= {");
2699         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2700         $self->pidl("\t\tNDR_$uname\_VERSION");
2701         $self->pidl("\t},");
2702         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2703         $self->pidl("\t.num_calls\t= $count,");
2704         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2705         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2706         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2707         $self->pidl("};");
2708         $self->pidl("");
2709
2710 }
2711
2712 #####################################################################
2713 # generate include statements for imported idl files
2714 sub HeaderImport
2715 {
2716         my $self = shift;
2717         my @imports = @_;
2718         foreach (@imports) {
2719                 $_ = unmake_str($_);
2720                 s/\.idl$//;
2721                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2722         }
2723 }
2724
2725 #####################################################################
2726 # generate include statements for included header files
2727 sub HeaderInclude
2728 {
2729         my $self = shift;
2730         my @includes = @_;
2731         foreach (@includes) {
2732                 $self->pidl_hdr("#include $_");
2733         }
2734 }
2735
2736 #####################################################################
2737 # generate prototypes and defines for the interface definitions
2738 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2739 # NDR parser and so do not belong here, technically speaking
2740 sub HeaderInterface($$$)
2741 {
2742         my($self,$interface,$needed) = @_;
2743
2744         my $count = 0;
2745
2746         if ($needed->{"compression"}) {
2747                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2748         }
2749
2750         if (has_property($interface, "object")) {
2751                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2752         }
2753
2754         if (defined $interface->{PROPERTIES}->{helper}) {
2755                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2756         }
2757
2758         if (defined $interface->{PROPERTIES}->{uuid}) {
2759                 my $name = uc $interface->{NAME};
2760                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2761                 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2762
2763                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2764
2765                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2766
2767                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2768                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2769
2770                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2771         }
2772
2773         foreach (@{$interface->{FUNCTIONS}}) {
2774                 next if has_property($_, "noopnum");
2775                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2776                 my $u_name = uc $_->{NAME};
2777
2778                 my $val = sprintf("0x%02x", $count);
2779                 if (defined($interface->{BASE})) {
2780                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2781                 }
2782
2783                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2784
2785                 $self->pidl_hdr("");
2786                 $count++;
2787         }
2788
2789         my $val = $count;
2790
2791         if (defined($interface->{BASE})) {
2792                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2793         }
2794
2795         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2796
2797 }
2798
2799 sub ParseTypePush($$$$$$)
2800 {
2801         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2802
2803         # save the old relative_base_offset
2804         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2805         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2806         # restore the old relative_base_offset
2807         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2808 }
2809
2810 sub ParseTypePushFunction($$$)
2811 {
2812         my ($self, $e, $varname) = @_;
2813         my $ndr = "ndr";
2814
2815         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2816
2817         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2818
2819         $self->pidl("{");
2820         $self->indent;
2821         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2822         $self->pidl("return NDR_ERR_SUCCESS;");
2823         $self->deindent;
2824         $self->pidl("}");
2825         $self->pidl("");;
2826 }
2827
2828 sub ParseTypePull($$$$$$)
2829 {
2830         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2831
2832         # save the old relative_base_offset
2833         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2834         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2835         # restore the old relative_base_offset
2836         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2837 }
2838
2839 sub ParseTypePullFunction($$)
2840 {
2841         my ($self, $e, $varname) = @_;
2842         my $ndr = "ndr";
2843
2844         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2845
2846         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2847
2848         $self->pidl("{");
2849         $self->indent;
2850         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2851         $self->pidl("return NDR_ERR_SUCCESS;");
2852         $self->deindent;
2853         $self->pidl("}");
2854         $self->pidl("");
2855 }
2856
2857 sub ParseTypePrint($$$$)
2858 {
2859         my ($self, $e, $ndr, $varname) = @_;
2860
2861         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2862 }
2863
2864 sub ParseTypePrintFunction($$$)
2865 {
2866         my ($self, $e, $varname) = @_;
2867         my $ndr = "ndr";
2868
2869         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2870
2871         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2872
2873         return if (has_property($e, "noprint"));
2874
2875         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2876         $self->pidl("{");
2877         $self->indent;
2878         $self->ParseTypePrint($e, $ndr, $varname);
2879         $self->deindent;
2880         $self->pidl("}");
2881         $self->pidl("");
2882 }
2883
2884 sub ParseTypeNdrSize($$)
2885 {
2886         my ($self,$t) = @_;
2887
2888         my $varname = "r";
2889         my $tf = $typefamily{$t->{TYPE}};
2890         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2891
2892         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2893
2894         $self->pidl("{");
2895         $self->indent;
2896         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2897         $self->deindent;
2898         $self->pidl("}");
2899         $self->pidl("");
2900 }
2901
2902 #####################################################################
2903 # parse the interface definitions
2904 sub ParseInterface($$$)
2905 {
2906         my($self,$interface,$needed) = @_;
2907
2908         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2909         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2910
2911         $self->pidl_hdr("");
2912
2913         $self->HeaderInterface($interface, $needed);
2914
2915         # Typedefs
2916         foreach my $d (@{$interface->{TYPES}}) {
2917                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2918                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2919                                 $self->ParsePipePushChunk($d);
2920                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2921                                 $self->ParsePipePullChunk($d);
2922                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2923                                 $self->ParsePipePrintChunk($d);
2924
2925                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2926                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2927                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2928                         next;
2929                 }
2930
2931                 next unless(typeHasBody($d));
2932
2933                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2934                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2935                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2936
2937                 # Make sure we don't generate a function twice...
2938                 $needed->{TypeFunctionName("ndr_push", $d)} =
2939                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2940                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2941
2942                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2943         }
2944
2945         # Functions
2946         foreach my $d (@{$interface->{FUNCTIONS}}) {
2947                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2948                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2949                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2950         }
2951
2952         $self->FunctionTable($interface);
2953
2954         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2955 }
2956
2957 sub GenerateIncludes($)
2958 {
2959         my ($self) = @_;
2960         if (is_intree()) {
2961                 $self->pidl("#include \"includes.h\"");
2962         } else {
2963                 $self->pidl("#ifndef _GNU_SOURCE");
2964                 $self->pidl("#define _GNU_SOURCE");
2965                 $self->pidl("#endif");
2966                 $self->pidl("#include <stdint.h>");
2967                 $self->pidl("#include <stdlib.h>");
2968                 $self->pidl("#include <stdio.h>");
2969                 $self->pidl("#include <stdbool.h>");
2970                 $self->pidl("#include <stdarg.h>");
2971                 $self->pidl("#include <string.h>");
2972         }
2973 }
2974
2975 #####################################################################
2976 # parse a parsed IDL structure back into an IDL file
2977 sub Parse($$$$)
2978 {
2979         my($self, $ndr,$gen_header,$ndr_header) = @_;
2980
2981         $self->pidl_hdr("/* header auto-generated by pidl */");
2982         $self->pidl_hdr("");
2983         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2984         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2985         $self->pidl_hdr("");
2986
2987         $self->pidl("/* parser auto-generated by pidl */");
2988         $self->pidl("");
2989         $self->GenerateIncludes();
2990         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2991         $self->pidl("");
2992
2993         my %needed = ();
2994
2995         foreach (@{$ndr}) {
2996                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2997         }
2998
2999         foreach (@{$ndr}) {
3000                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
3001                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
3002                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
3003         }
3004
3005         return ($self->{res_hdr}, $self->{res});
3006 }
3007
3008 sub NeededElement($$$)
3009 {
3010         my ($e, $dir, $needed) = @_;
3011
3012         return if ($e->{TYPE} eq "EMPTY");
3013
3014         return if (ref($e->{TYPE}) eq "HASH" and
3015                        not defined($e->{TYPE}->{NAME}));
3016
3017         my ($t, $rt);
3018         if (ref($e->{TYPE}) eq "HASH") {
3019                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
3020         } else {
3021                 $t = $e->{TYPE};
3022         }
3023
3024         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
3025                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
3026         } else {
3027                 $rt = $e->{REPRESENTATION_TYPE};
3028         }
3029
3030         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
3031
3032         my @fn = ();
3033         if ($dir eq "print") {
3034                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
3035         } elsif ($dir eq "pull") {
3036                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
3037                 push (@fn, "ndr_$t\_to_$rt")
3038                         if ($rt ne $t);
3039         } elsif ($dir eq "push") {
3040                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3041                 push (@fn, "ndr_$rt\_to_$t")
3042                         if ($rt ne $t);
3043         } else {
3044                 die("invalid direction `$dir'");
3045         }
3046
3047         foreach (@fn) {
3048                 unless (defined($needed->{$_})) {
3049                         $needed->{$_} = 1;
3050                 }
3051         }
3052 }
3053
3054 sub NeededFunction($$)
3055 {
3056         my ($fn,$needed) = @_;
3057         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3058         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3059         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3060         foreach my $e (@{$fn->{ELEMENTS}}) {
3061                 $e->{PARENT} = $fn;
3062                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3063         }
3064 }
3065
3066 sub NeededType($$$)
3067 {
3068         sub NeededType($$$);
3069         my ($t,$needed,$req) = @_;
3070
3071         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3072         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3073
3074         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3075                 return unless defined($t->{ELEMENTS});
3076                 for my $e (@{$t->{ELEMENTS}}) {
3077                         $e->{PARENT} = $t;
3078                         if (has_property($e, "compression")) {
3079                                 $needed->{"compression"} = 1;
3080                         }
3081                         NeededElement($e, $req, $needed);
3082                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3083                 }
3084         }
3085 }
3086
3087 #####################################################################
3088 # work out what parse functions are needed
3089 sub NeededInterface($$)
3090 {
3091         my ($interface,$needed) = @_;
3092         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3093         foreach (reverse @{$interface->{TYPES}}) {
3094
3095                 if (has_property($_, "public")) {
3096                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3097                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3098                 }
3099
3100                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3101                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3102                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3103                 if (has_property($_, "gensize")) {
3104                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3105                 }
3106         }
3107 }
3108
3109 sub TypeFunctionName($$)
3110 {
3111         my ($prefix, $t) = @_;
3112
3113         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3114                         $t->{TYPE} eq "TYPEDEF");
3115         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3116         return "$prefix\_$t";
3117 }
3118
3119 1;