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                 if (has_property($e, "skip")) {
 962                         $self->pidl("/* [skip] '$var_name' */");
 963                 } else {
 964                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 965                 }
 966
 967                 my $pl = GetPrevLevel($e, $l);
 968
 969                 my $range = has_property($e, "range");
 970                 if ($range and $pl->{TYPE} ne "ARRAY") {
 971                         $var_name = get_value_of($var_name);
 972                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 973                         my ($low, $high) = split(/,/, $range, 2);
 974                         if ($low < 0 and not $signed) {
 975                                 warning(0, "$low is invalid for the range of an unsigned type");
 976                         }
 977                         if ($low == 0 and not $signed) {
 978                                 $self->pidl("if ($var_name > $high) {");
 979                         } else {
 980                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 981                         }
 982                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 983                         $self->pidl("}");
 984                 }
 985         } else {
 986                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 987         }
 988 }
 989
 990 sub ParseDataPush($$$$$$$)
 991 {
 992         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 993
 994         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 995
 996                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 997
 998                 # strings are passed by value rather than reference
 999                 if (need_pointer_to($e, $l, 1)) {
1000                         $var_name = get_pointer_to($var_name);
1001                 }
1002
1003                 if (has_property($e, "skip")) {
1004                         $self->pidl("/* [skip] '$var_name' */");
1005                 } else {
1006                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
1007                 }
1008         } else {
1009                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
1010         }
1011 }
1012
1013 sub CalcNdrFlags($$$)
1014 {
1015         my ($l,$primitives,$deferred) = @_;
1016
1017         my $scalars = 0;
1018         my $buffers = 0;
1019
1020         # Add NDR_SCALARS if this one is deferred
1021         # and deferreds may be pushed
1022         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
1023
1024         # Add NDR_SCALARS if this one is not deferred and
1025         # primitives may be pushed
1026         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
1027
1028         # Add NDR_BUFFERS if this one contains deferred stuff
1029         # and deferreds may be pushed
1030         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
1031
1032         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
1033         return "NDR_SCALARS" if ($scalars);
1034         return "NDR_BUFFERS" if ($buffers);
1035         return undef;
1036 }
1037
1038 sub ParseMemCtxPullFlags($$$$)
1039 {
1040         my ($self, $e, $l) = @_;
1041
1042         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1043         return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
1044
1045         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1046         return undef if has_fast_array($e, $l);
1047         return undef if is_charset_array($e, $l);
1048
1049         my $mem_flags = "0";
1050
1051         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1052                 my $nl = GetNextLevel($e, $l);
1053                 return undef if ($nl->{TYPE} eq "PIPE");
1054                 return undef if ($nl->{TYPE} eq "ARRAY");
1055                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1056
1057                 if ($l->{LEVEL} eq "TOP") {
1058                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1059                 }
1060         }
1061
1062         return $mem_flags;
1063 }
1064
1065 sub ParseMemCtxPullStart($$$$$)
1066 {
1067         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1068
1069         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1070         my $mem_c_ctx = $ptr_name;
1071         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1072
1073         return unless defined($mem_c_flags);
1074
1075         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1076         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1077 }
1078
1079 sub ParseMemCtxPullEnd($$$$)
1080 {
1081         my ($self, $e, $l, $ndr) = @_;
1082
1083         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1084         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1085
1086         return unless defined($mem_r_flags);
1087
1088         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1089 }
1090
1091 sub CheckStringTerminator($$$$$)
1092 {
1093         my ($self,$ndr,$e,$l,$length) = @_;
1094         my $nl = GetNextLevel($e, $l);
1095
1096         # Make sure last element is zero!
1097         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1098 }
1099
1100 sub ParseElementPullLevel
1101 {
1102         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1103
1104         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1105         my $array_length = undef;
1106
1107         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1108                 $var_name = get_pointer_to($var_name);
1109         }
1110
1111         # Only pull something if there's actually something to be pulled
1112         if (defined($ndr_flags)) {
1113                 if ($l->{TYPE} eq "SUBCONTEXT") {
1114                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1115                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1116                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1117                 } elsif ($l->{TYPE} eq "ARRAY") {
1118                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1119                         $array_length = $length;
1120
1121                         my $nl = GetNextLevel($e, $l);
1122
1123                         if (is_charset_array($e,$l)) {
1124                                 if ($l->{IS_ZERO_TERMINATED}) {
1125                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1126                                 }
1127                                 if ($l->{IS_TO_NULL}) {
1128                                         $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}));");
1129                                 } else {
1130                                         $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}));");
1131                                 }
1132                                 return;
1133                         } elsif (has_fast_array($e, $l)) {
1134                                 if ($l->{IS_ZERO_TERMINATED}) {
1135                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1136                                 }
1137                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1138                                 return;
1139                         }
1140                 } elsif ($l->{TYPE} eq "POINTER") {
1141                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1142                 } elsif ($l->{TYPE} eq "SWITCH") {
1143                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1144                 } elsif ($l->{TYPE} eq "DATA") {
1145                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1146                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1147                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1148                 }
1149         }
1150
1151         # add additional constructions
1152         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1153                 $self->pidl("/* [ignore] '$e->{NAME}' */");
1154         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1155                 if ($l->{POINTER_TYPE} ne "ref") {
1156                         $self->pidl("if ($var_name) {");
1157                         $self->indent;
1158
1159                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1160                                 $self->pidl("uint32_t _relative_save_offset;");
1161                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1162                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1163                         }
1164                 }
1165
1166                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1167
1168                 $var_name = get_value_of($var_name);
1169                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1170
1171                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1172
1173                 if ($l->{POINTER_TYPE} ne "ref") {
1174                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1175                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1176                                 $self->indent;
1177                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1178                                 $self->deindent;
1179                                 $self->pidl("}");
1180                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1181                         }
1182                         $self->deindent;
1183                         $self->pidl("}");
1184                 }
1185         } elsif ($l->{TYPE} eq "ARRAY" and
1186                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1187                 my $length = $array_length;
1188                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1189                 my $array_name = $var_name;
1190
1191                 if (not defined($length)) {
1192                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1193                 }
1194
1195                 $var_name = get_array_element($var_name, $counter);
1196
1197                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1198
1199                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1200                         my $nl = GetNextLevel($e,$l);
1201
1202                         if ($l->{IS_ZERO_TERMINATED}) {
1203                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1204                         }
1205
1206                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1207                         $self->indent;
1208                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1209                         $self->deindent;
1210                         $self->pidl("}");
1211                 }
1212
1213                 if ($deferred and ContainsDeferred($e, $l)) {
1214                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1215                         $self->indent;
1216                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1217                         $self->deindent;
1218                         $self->pidl("}");
1219                 }
1220
1221                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1222
1223         } elsif ($l->{TYPE} eq "SWITCH") {
1224                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1225         }
1226 }
1227
1228 #####################################################################
1229 # parse scalars in a structure element - pull size
1230 sub ParseElementPull($$$$$$)
1231 {
1232         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1233
1234         my $var_name = $env->{$e->{NAME}};
1235         my $represent_name;
1236         my $transmit_name;
1237
1238         return if ContainsPipe($e, $e->{LEVELS}[0]);
1239
1240         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1241
1242         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1243                 $self->pidl("{");
1244                 $self->indent;
1245                 $represent_name = $var_name;
1246                 $transmit_name = "_transmit_$e->{NAME}";
1247                 $var_name = $transmit_name;
1248                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1249         }
1250
1251         $var_name = append_prefix($e, $var_name);
1252
1253         $self->start_flags($e, $ndr);
1254
1255         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1256
1257         $self->end_flags($e, $ndr);
1258
1259         # Representation type is different from transmit_as
1260         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1261                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1262                 $self->deindent;
1263                 $self->pidl("}");
1264         }
1265 }
1266
1267 #####################################################################
1268 # parse a pointer in a struct element or function
1269 sub ParsePtrPull($$$$$)
1270 {
1271         my($self, $e,$l,$ndr,$var_name) = @_;
1272
1273         my $nl = GetNextLevel($e, $l);
1274         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1275         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1276                                                  ($nl->{DATA_TYPE} eq "string"));
1277
1278         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1279
1280                 if (!$next_is_array and !$next_is_string) {
1281                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1282                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1283                         $self->pidl("}");
1284                 }
1285
1286                 return;
1287         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1288                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1289         } elsif (($l->{POINTER_TYPE} eq "unique") or
1290                  ($l->{POINTER_TYPE} eq "relative") or
1291                  ($l->{POINTER_TYPE} eq "full")) {
1292                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1293         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1294                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1295         } elsif ($l->{POINTER_TYPE} eq "ignore") {
1296                 #We want to consume the pointer bytes, but ignore the pointer value
1297                 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1298                 $self->pidl("_ptr_$e->{NAME} = 0;");
1299         } else {
1300                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1301         }
1302
1303         $self->pidl("if (_ptr_$e->{NAME}) {");
1304         $self->indent;
1305
1306         if ($l->{POINTER_TYPE} eq "ignore") {
1307                 # Don't do anything, we don't want to do the
1308                 # allocation, as we forced it to NULL just above, and
1309                 # we may not know the declared type anyway.
1310         } else {
1311                 # Don't do this for arrays, they're allocated at the actual level
1312                 # of the array
1313                 unless ($next_is_array or $next_is_string) {
1314                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1315                 } else {
1316                        # FIXME: Yes, this is nasty.
1317                        # We allocate an array twice
1318                        # - once just to indicate that it's there,
1319                        # - then the real allocation...
1320                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1321                 }
1322         }
1323
1324         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1325         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1326                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1327         }
1328         $self->deindent;
1329         $self->pidl("} else {");
1330         $self->pidl("\t$var_name = NULL;");
1331         $self->pidl("}");
1332 }
1333
1334 sub ParseStructPushPrimitives($$$$$)
1335 {
1336         my ($self, $struct, $ndr, $varname, $env) = @_;
1337
1338         # see if the structure contains a conformant array. If it
1339         # does, then it must be the last element of the structure, and
1340         # we need to push the conformant length early, as it fits on
1341         # the wire before the structure (and even before the structure
1342         # alignment)
1343         if (defined($struct->{SURROUNDING_ELEMENT})) {
1344                 my $e = $struct->{SURROUNDING_ELEMENT};
1345
1346                 if (defined($e->{LEVELS}[0]) and
1347                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1348                         my $size;
1349
1350                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1351                                 if (has_property($e, "charset")) {
1352                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1353                                 } else {
1354                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1355                                 }
1356                                 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1357                                         $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1358                                 }
1359                         } else {
1360                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1361                         }
1362
1363                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1364                 } else {
1365                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1366                 }
1367         }
1368
1369         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1370
1371         if (defined($struct->{PROPERTIES}{relative_base})) {
1372                 # set the current offset as base for relative pointers
1373                 # and store it based on the toplevel struct/union
1374                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1375         }
1376
1377         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1378
1379         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1380 }
1381
1382 sub ParseStructPushDeferred($$$$)
1383 {
1384         my ($self, $struct, $ndr, $varname, $env) = @_;
1385         if (defined($struct->{PROPERTIES}{relative_base})) {
1386                 # retrieve the current offset as base for relative pointers
1387                 # based on the toplevel struct/union
1388                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1389         }
1390         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1391 }
1392
1393 #####################################################################
1394 # parse a struct
1395 sub ParseStructPush($$$$)
1396 {
1397         my ($self, $struct, $ndr, $varname) = @_;
1398
1399         return unless defined($struct->{ELEMENTS});
1400
1401         my $env = GenerateStructEnv($struct, $varname);
1402
1403         EnvSubstituteValue($env, $struct);
1404
1405         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1406
1407         $self->start_flags($struct, $ndr);
1408
1409         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1410         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1411         $self->indent;
1412         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1413         $self->deindent;
1414         $self->pidl("}");
1415
1416         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1417         $self->indent;
1418         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1419         $self->deindent;
1420         $self->pidl("}");
1421
1422         $self->end_flags($struct, $ndr);
1423 }
1424
1425 #####################################################################
1426 # generate a push function for an enum
1427 sub ParseEnumPush($$$$)
1428 {
1429         my($self,$enum,$ndr,$varname) = @_;
1430         my($type_fn) = $enum->{BASE_TYPE};
1431
1432         $self->start_flags($enum, $ndr);
1433         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1434         $self->end_flags($enum, $ndr);
1435 }
1436
1437 #####################################################################
1438 # generate a pull function for an enum
1439 sub ParseEnumPull($$$$)
1440 {
1441         my($self,$enum,$ndr,$varname) = @_;
1442         my($type_fn) = $enum->{BASE_TYPE};
1443         my($type_v_decl) = mapTypeName($type_fn);
1444
1445         $self->pidl("$type_v_decl v;");
1446         $self->start_flags($enum, $ndr);
1447         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1448         $self->pidl("*$varname = v;");
1449
1450         $self->end_flags($enum, $ndr);
1451 }
1452
1453 #####################################################################
1454 # generate a print function for an enum
1455 sub ParseEnumPrint($$$$$)
1456 {
1457         my($self,$enum,$ndr,$name,$varname) = @_;
1458
1459         $self->pidl("const char *val = NULL;");
1460         $self->pidl("");
1461
1462         $self->start_flags($enum, $ndr);
1463
1464         $self->pidl("switch ($varname) {");
1465         $self->indent;
1466         my $els = \@{$enum->{ELEMENTS}};
1467         foreach my $i (0 .. $#{$els}) {
1468                 my $e = ${$els}[$i];
1469                 chomp $e;
1470                 if ($e =~ /^(.*)=/) {
1471                         $e = $1;
1472                 }
1473                 $self->pidl("case $e: val = \"$e\"; break;");
1474         }
1475
1476         $self->deindent;
1477         $self->pidl("}");
1478
1479         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1480
1481         $self->end_flags($enum, $ndr);
1482 }
1483
1484 sub DeclEnum($$$$)
1485 {
1486         my ($e,$t,$name,$varname) = @_;
1487         return "enum $name " .
1488                 ($t eq "pull"?"*":"") . $varname;
1489 }
1490
1491 $typefamily{ENUM} = {
1492         DECL => \&DeclEnum,
1493         PUSH_FN_BODY => \&ParseEnumPush,
1494         PULL_FN_BODY => \&ParseEnumPull,
1495         PRINT_FN_BODY => \&ParseEnumPrint,
1496 };
1497
1498 #####################################################################
1499 # generate a push function for a bitmap
1500 sub ParseBitmapPush($$$$)
1501 {
1502         my($self,$bitmap,$ndr,$varname) = @_;
1503         my($type_fn) = $bitmap->{BASE_TYPE};
1504
1505         $self->start_flags($bitmap, $ndr);
1506
1507         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1508
1509         $self->end_flags($bitmap, $ndr);
1510 }
1511
1512 #####################################################################
1513 # generate a pull function for an bitmap
1514 sub ParseBitmapPull($$$$)
1515 {
1516         my($self,$bitmap,$ndr,$varname) = @_;
1517         my $type_fn = $bitmap->{BASE_TYPE};
1518         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1519
1520         $self->pidl("$type_decl v;");
1521         $self->start_flags($bitmap, $ndr);
1522         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1523         $self->pidl("*$varname = v;");
1524
1525         $self->end_flags($bitmap, $ndr);
1526 }
1527
1528 #####################################################################
1529 # generate a print function for an bitmap
1530 sub ParseBitmapPrintElement($$$$$$)
1531 {
1532         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1533         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1534         my($type_fn) = $bitmap->{BASE_TYPE};
1535         my($flag);
1536
1537         if ($e =~ /^(\w+) .*$/) {
1538                 $flag = "$1";
1539         } else {
1540                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1541         }
1542
1543         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1544 }
1545
1546 #####################################################################
1547 # generate a print function for an bitmap
1548 sub ParseBitmapPrint($$$$$)
1549 {
1550         my($self,$bitmap,$ndr,$name,$varname) = @_;
1551         my($type_decl) = mapTypeName($bitmap->{TYPE});
1552         my($type_fn) = $bitmap->{BASE_TYPE};
1553
1554         $self->start_flags($bitmap, $ndr);
1555
1556         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1557
1558         $self->pidl("$ndr->depth++;");
1559         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1560                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1561         }
1562         $self->pidl("$ndr->depth--;");
1563
1564         $self->end_flags($bitmap, $ndr);
1565 }
1566
1567 sub DeclBitmap($$$$)
1568 {
1569         my ($e,$t,$name,$varname) = @_;
1570         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1571                 ($t eq "pull"?" *":" ") . $varname;
1572 }
1573
1574 $typefamily{BITMAP} = {
1575         DECL => \&DeclBitmap,
1576         PUSH_FN_BODY => \&ParseBitmapPush,
1577         PULL_FN_BODY => \&ParseBitmapPull,
1578         PRINT_FN_BODY => \&ParseBitmapPrint,
1579 };
1580
1581 #####################################################################
1582 # generate a struct print function
1583 sub ParseStructPrint($$$$$)
1584 {
1585         my($self,$struct,$ndr,$name,$varname) = @_;
1586
1587         return unless defined $struct->{ELEMENTS};
1588
1589         my $env = GenerateStructEnv($struct, $varname);
1590
1591         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1592
1593         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1594         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1595
1596         $self->start_flags($struct, $ndr);
1597
1598         $self->pidl("$ndr->depth++;");
1599
1600         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1601                 foreach (@{$struct->{ELEMENTS}});
1602         $self->pidl("$ndr->depth--;");
1603
1604         $self->end_flags($struct, $ndr);
1605 }
1606
1607 sub DeclarePtrVariables($$)
1608 {
1609         my ($self,$e) = @_;
1610         foreach my $l (@{$e->{LEVELS}}) {
1611                 my $size = 32;
1612                 if ($l->{TYPE} eq "POINTER" and
1613                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1614                         if ($l->{POINTER_TYPE} eq "relative_short") {
1615                                 $size = 16;
1616                         }
1617                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1618                         last;
1619                 }
1620         }
1621 }
1622
1623 sub DeclareArrayVariables($$;$)
1624 {
1625         my ($self,$e,$pull) = @_;
1626
1627         foreach my $l (@{$e->{LEVELS}}) {
1628                 next if ($l->{TYPE} ne "ARRAY");
1629                 if (defined($pull)) {
1630                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1631                         if ($l->{IS_VARYING}) {
1632                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1633                         }
1634                 }
1635                 next if has_fast_array($e,$l);
1636                 next if is_charset_array($e,$l);
1637                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1638         }
1639 }
1640
1641 sub DeclareArrayVariablesNoZero($$$)
1642 {
1643         my ($self,$e,$env) = @_;
1644
1645         foreach my $l (@{$e->{LEVELS}}) {
1646                 next if ($l->{TYPE} ne "ARRAY");
1647                 next if has_fast_array($e,$l);
1648                 next if is_charset_array($e,$l);
1649                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1650                 if ($length eq "0") {
1651                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1652                 } else {
1653                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1654                 }
1655         }
1656 }
1657
1658 sub DeclareMemCtxVariables($$)
1659 {
1660         my ($self,$e) = @_;
1661         foreach my $l (@{$e->{LEVELS}}) {
1662                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1663
1664                 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1665                         last;
1666                 }
1667
1668                 if (defined($mem_flags)) {
1669                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1670                 }
1671         }
1672 }
1673
1674 sub ParseStructPullPrimitives($$$$$)
1675 {
1676         my($self,$struct,$ndr,$varname,$env) = @_;
1677
1678         if (defined $struct->{SURROUNDING_ELEMENT}) {
1679                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1680         }
1681
1682         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1683
1684         if (defined($struct->{PROPERTIES}{relative_base})) {
1685                 # set the current offset as base for relative pointers
1686                 # and store it based on the toplevel struct/union
1687                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1688         }
1689
1690         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1691
1692         $self->add_deferred();
1693
1694         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1695 }
1696
1697 sub ParseStructPullDeferred($$$$$)
1698 {
1699         my ($self,$struct,$ndr,$varname,$env) = @_;
1700
1701         if (defined($struct->{PROPERTIES}{relative_base})) {
1702                 # retrieve the current offset as base for relative pointers
1703                 # based on the toplevel struct/union
1704                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1705         }
1706         foreach my $e (@{$struct->{ELEMENTS}}) {
1707                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1708         }
1709
1710         $self->add_deferred();
1711 }
1712
1713 #####################################################################
1714 # parse a struct - pull side
1715 sub ParseStructPull($$$$)
1716 {
1717         my($self,$struct,$ndr,$varname) = @_;
1718
1719         return unless defined $struct->{ELEMENTS};
1720
1721         # declare any internal pointers we need
1722         foreach my $e (@{$struct->{ELEMENTS}}) {
1723                 $self->DeclarePtrVariables($e);
1724                 $self->DeclareArrayVariables($e, "pull");
1725                 $self->DeclareMemCtxVariables($e);
1726         }
1727
1728         $self->start_flags($struct, $ndr);
1729
1730         my $env = GenerateStructEnv($struct, $varname);
1731
1732         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1733         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1734         $self->indent;
1735         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1736         $self->deindent;
1737         $self->pidl("}");
1738         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1739         $self->indent;
1740         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1741         $self->deindent;
1742         $self->pidl("}");
1743
1744         $self->end_flags($struct, $ndr);
1745 }
1746
1747 #####################################################################
1748 # calculate size of ndr struct
1749 sub ParseStructNdrSize($$$$)
1750 {
1751         my ($self,$t, $name, $varname) = @_;
1752         my $sizevar;
1753
1754         if (my $flags = has_property($t, "flag")) {
1755                 $self->pidl("flags |= $flags;");
1756         }
1757         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1758 }
1759
1760 sub DeclStruct($$$$)
1761 {
1762         my ($e,$t,$name,$varname) = @_;
1763         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1764 }
1765
1766 sub ArgsStructNdrSize($$$)
1767 {
1768         my ($d, $name, $varname) = @_;
1769         return "const struct $name *$varname, int flags";
1770 }
1771
1772 $typefamily{STRUCT} = {
1773         PUSH_FN_BODY => \&ParseStructPush,
1774         DECL => \&DeclStruct,
1775         PULL_FN_BODY => \&ParseStructPull,
1776         PRINT_FN_BODY => \&ParseStructPrint,
1777         SIZE_FN_BODY => \&ParseStructNdrSize,
1778         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1779 };
1780
1781 #####################################################################
1782 # calculate size of ndr struct
1783 sub ParseUnionNdrSize($$$)
1784 {
1785         my ($self, $t, $name, $varname) = @_;
1786         my $sizevar;
1787
1788         if (my $flags = has_property($t, "flag")) {
1789                 $self->pidl("flags |= $flags;");
1790         }
1791
1792         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1793 }
1794
1795 sub ParseUnionPushPrimitives($$$$)
1796 {
1797         my ($self, $e, $ndr ,$varname) = @_;
1798
1799         my $have_default = 0;
1800
1801         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1802
1803         if (defined($e->{SWITCH_TYPE})) {
1804                 if (defined($e->{ALIGN})) {
1805                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1806                 }
1807
1808                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1809         }
1810
1811         if (defined($e->{ALIGN})) {
1812                 if ($e->{IS_MS_UNION}) {
1813                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1814                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1815                 } else {
1816                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1817                 }
1818         }
1819
1820         $self->pidl("switch (level) {");
1821         $self->indent;
1822         foreach my $el (@{$e->{ELEMENTS}}) {
1823                 if ($el->{CASE} eq "default") {
1824                         $have_default = 1;
1825                 }
1826                 $self->pidl("$el->{CASE}: {");
1827
1828                 if ($el->{TYPE} ne "EMPTY") {
1829                         $self->indent;
1830                         if (defined($e->{PROPERTIES}{relative_base})) {
1831                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1832                                 # set the current offset as base for relative pointers
1833                                 # and store it based on the toplevel struct/union
1834                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1835                         }
1836                         $self->DeclareArrayVariables($el);
1837                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1838                         $self->deindent;
1839                 }
1840                 $self->pidl("break; }");
1841                 $self->pidl("");
1842         }
1843         if (! $have_default) {
1844                 $self->pidl("default:");
1845                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1846         }
1847         $self->deindent;
1848         $self->pidl("}");
1849 }
1850
1851 sub ParseUnionPushDeferred($$$$)
1852 {
1853         my ($self,$e,$ndr,$varname) = @_;
1854
1855         my $have_default = 0;
1856
1857         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1858         if (defined($e->{PROPERTIES}{relative_base})) {
1859                 # retrieve the current offset as base for relative pointers
1860                 # based on the toplevel struct/union
1861                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1862         }
1863         $self->pidl("switch (level) {");
1864         $self->indent;
1865         foreach my $el (@{$e->{ELEMENTS}}) {
1866                 if ($el->{CASE} eq "default") {
1867                         $have_default = 1;
1868                 }
1869
1870                 $self->pidl("$el->{CASE}:");
1871                 if ($el->{TYPE} ne "EMPTY") {
1872                         $self->indent;
1873                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1874                         $self->deindent;
1875                 }
1876                 $self->pidl("break;");
1877                 $self->pidl("");
1878         }
1879         if (! $have_default) {
1880                 $self->pidl("default:");
1881                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1882         }
1883         $self->deindent;
1884         $self->pidl("}");
1885 }
1886
1887 #####################################################################
1888 # parse a union - push side
1889 sub ParseUnionPush($$$$)
1890 {
1891         my ($self,$e,$ndr,$varname) = @_;
1892         my $have_default = 0;
1893
1894         $self->start_flags($e, $ndr);
1895
1896         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1897         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1898         $self->indent;
1899         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1900         $self->deindent;
1901         $self->pidl("}");
1902         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1903         $self->indent;
1904         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1905         $self->deindent;
1906         $self->pidl("}");
1907         $self->end_flags($e, $ndr);
1908 }
1909
1910 #####################################################################
1911 # print a union
1912 sub ParseUnionPrint($$$$$)
1913 {
1914         my ($self,$e,$ndr,$name,$varname) = @_;
1915         my $have_default = 0;
1916
1917         $self->pidl("uint32_t level;");
1918         foreach my $el (@{$e->{ELEMENTS}}) {
1919                 $self->DeclareArrayVariables($el);
1920         }
1921
1922         $self->start_flags($e, $ndr);
1923
1924         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1925
1926         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1927
1928         $self->pidl("switch (level) {");
1929         $self->indent;
1930         foreach my $el (@{$e->{ELEMENTS}}) {
1931                 if ($el->{CASE} eq "default") {
1932                         $have_default = 1;
1933                 }
1934                 $self->pidl("$el->{CASE}:");
1935                 if ($el->{TYPE} ne "EMPTY") {
1936                         $self->indent;
1937                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1938                         $self->deindent;
1939                 }
1940                 $self->pidl("break;");
1941                 $self->pidl("");
1942         }
1943         if (! $have_default) {
1944                 $self->pidl("default:");
1945                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1946         }
1947         $self->deindent;
1948         $self->pidl("}");
1949
1950         $self->end_flags($e, $ndr);
1951 }
1952
1953 sub ParseUnionPullPrimitives($$$$$)
1954 {
1955         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1956         my $have_default = 0;
1957
1958
1959         if (defined($switch_type)) {
1960                 if (defined($e->{ALIGN})) {
1961                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1962                 }
1963
1964                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1965                 $self->pidl("if (_level != level) {");
1966                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1967                 $self->pidl("}");
1968         }
1969
1970         if (defined($e->{ALIGN})) {
1971                 if ($e->{IS_MS_UNION}) {
1972                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1973                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1974                 } else {
1975                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1976                 }
1977         }
1978
1979         $self->pidl("switch (level) {");
1980         $self->indent;
1981         foreach my $el (@{$e->{ELEMENTS}}) {
1982                 if ($el->{CASE} eq "default") {
1983                         $have_default = 1;
1984                 }
1985                 $self->pidl("$el->{CASE}: {");
1986
1987                 if ($el->{TYPE} ne "EMPTY") {
1988                         $self->indent;
1989                         if (defined($e->{PROPERTIES}{relative_base})) {
1990                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1991                                 # set the current offset as base for relative pointers
1992                                 # and store it based on the toplevel struct/union
1993                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1994                         }
1995                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1996                         $self->deindent;
1997                 }
1998                 $self->pidl("break; }");
1999                 $self->pidl("");
2000         }
2001         if (! $have_default) {
2002                 $self->pidl("default:");
2003                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2004         }
2005         $self->deindent;
2006         $self->pidl("}");
2007 }
2008
2009 sub ParseUnionPullDeferred($$$$)
2010 {
2011         my ($self,$e,$ndr,$varname) = @_;
2012         my $have_default = 0;
2013
2014         if (defined($e->{PROPERTIES}{relative_base})) {
2015                 # retrieve the current offset as base for relative pointers
2016                 # based on the toplevel struct/union
2017                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
2018         }
2019         $self->pidl("switch (level) {");
2020         $self->indent;
2021         foreach my $el (@{$e->{ELEMENTS}}) {
2022                 if ($el->{CASE} eq "default") {
2023                         $have_default = 1;
2024                 }
2025
2026                 $self->pidl("$el->{CASE}:");
2027                 if ($el->{TYPE} ne "EMPTY") {
2028                         $self->indent;
2029                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
2030                         $self->deindent;
2031                 }
2032                 $self->pidl("break;");
2033                 $self->pidl("");
2034         }
2035         if (! $have_default) {
2036                 $self->pidl("default:");
2037                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2038         }
2039         $self->deindent;
2040         $self->pidl("}");
2041
2042
2043 }
2044
2045 #####################################################################
2046 # parse a union - pull side
2047 sub ParseUnionPull($$$$)
2048 {
2049         my ($self,$e,$ndr,$varname) = @_;
2050         my $switch_type = $e->{SWITCH_TYPE};
2051
2052         $self->pidl("uint32_t level;");
2053         if (defined($switch_type)) {
2054                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2055                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2056                 }
2057                 $self->pidl(mapTypeName($switch_type) . " _level;");
2058         }
2059
2060         my %double_cases = ();
2061         foreach my $el (@{$e->{ELEMENTS}}) {
2062                 next if ($el->{TYPE} eq "EMPTY");
2063                 next if ($double_cases{"$el->{NAME}"});
2064                 $self->DeclareMemCtxVariables($el);
2065                 $self->DeclarePtrVariables($el);
2066                 $self->DeclareArrayVariables($el, "pull");
2067                 $double_cases{"$el->{NAME}"} = 1;
2068         }
2069
2070         $self->start_flags($e, $ndr);
2071
2072         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2073
2074         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2075         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2076         $self->indent;
2077         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2078         $self->deindent;
2079         $self->pidl("}");
2080
2081         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2082         $self->indent;
2083         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2084         $self->deindent;
2085         $self->pidl("}");
2086
2087         $self->add_deferred();
2088
2089         $self->end_flags($e, $ndr);
2090 }
2091
2092 sub DeclUnion($$$$)
2093 {
2094         my ($e,$t,$name,$varname) = @_;
2095         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2096 }
2097
2098 sub ArgsUnionNdrSize($$)
2099 {
2100         my ($d,$name) = @_;
2101         return "const union $name *r, uint32_t level, int flags";
2102 }
2103
2104 $typefamily{UNION} = {
2105         PUSH_FN_BODY => \&ParseUnionPush,
2106         DECL => \&DeclUnion,
2107         PULL_FN_BODY => \&ParseUnionPull,
2108         PRINT_FN_BODY => \&ParseUnionPrint,
2109         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2110         SIZE_FN_BODY => \&ParseUnionNdrSize,
2111 };
2112
2113 #####################################################################
2114 # parse a typedef - push side
2115 sub ParseTypedefPush($$$$)
2116 {
2117         my($self,$e,$ndr,$varname) = @_;
2118
2119         my $env;
2120
2121         $env->{$e->{NAME}} = $varname;
2122
2123         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2124 }
2125
2126 #####################################################################
2127 # parse a typedef - pull side
2128 sub ParseTypedefPull($$$$)
2129 {
2130         my($self,$e,$ndr,$varname) = @_;
2131
2132         my $env;
2133
2134         $env->{$e->{NAME}} = $varname;
2135
2136         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2137 }
2138
2139 #####################################################################
2140 # parse a typedef - print side
2141 sub ParseTypedefPrint($$$$$)
2142 {
2143         my($self,$e,$ndr,$name,$varname) = @_;
2144
2145         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2146 }
2147
2148 #####################################################################
2149 ## calculate the size of a structure
2150 sub ParseTypedefNdrSize($$$$)
2151 {
2152         my($self,$t,$name,$varname) = @_;
2153
2154         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2155 }
2156
2157 sub DeclTypedef($$$$)
2158 {
2159         my ($e, $t, $name, $varname) = @_;
2160
2161         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2162 }
2163
2164 sub ArgsTypedefNdrSize($$$)
2165 {
2166         my ($d, $name, $varname) = @_;
2167         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2168 }
2169
2170 $typefamily{TYPEDEF} = {
2171         PUSH_FN_BODY => \&ParseTypedefPush,
2172         DECL => \&DeclTypedef,
2173         PULL_FN_BODY => \&ParseTypedefPull,
2174         PRINT_FN_BODY => \&ParseTypedefPrint,
2175         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2176         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2177 };
2178
2179 sub ParsePipePushChunk($$)
2180 {
2181         my ($self, $t) = @_;
2182
2183         my $pipe = $t;
2184         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2185         my $struct = $pipe->{DATA};
2186
2187         my $name = "$struct->{NAME}";
2188         my $ndr = "ndr";
2189         my $varname = "r";
2190
2191         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2192
2193         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2194
2195         return if has_property($t, "nopush");
2196
2197         $self->pidl("{");
2198         $self->indent;
2199
2200         $self->ParseStructPush($struct, $ndr, $varname);
2201         $self->pidl("");
2202
2203         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2204         $self->pidl("");
2205
2206         $self->pidl("return NDR_ERR_SUCCESS;");
2207         $self->deindent;
2208         $self->pidl("}");
2209         $self->pidl("");
2210 }
2211
2212 sub ParsePipePullChunk($$)
2213 {
2214         my ($self, $t) = @_;
2215
2216         my $pipe = $t;
2217         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2218         my $struct = $pipe->{DATA};
2219
2220         my $name = "$struct->{NAME}";
2221         my $ndr = "ndr";
2222         my $varname = "r";
2223
2224         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2225
2226         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2227
2228         return if has_property($struct, "nopull");
2229
2230         $self->pidl("{");
2231         $self->indent;
2232
2233         $self->ParseStructPull($struct, $ndr, $varname);
2234         $self->pidl("");
2235
2236         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2237         $self->pidl("");
2238
2239         $self->pidl("return NDR_ERR_SUCCESS;");
2240         $self->deindent;
2241         $self->pidl("}");
2242         $self->pidl("");
2243 }
2244
2245 sub ParsePipePrintChunk($$)
2246 {
2247         my ($self, $t) = @_;
2248
2249         my $pipe = $t;
2250         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2251         my $struct = $pipe->{DATA};
2252
2253         my $name = "$struct->{NAME}";
2254         my $ndr = "ndr";
2255         my $varname = "r";
2256
2257         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2258
2259         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2260
2261         return if (has_property($t, "noprint"));
2262
2263         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2264         $self->pidl("{");
2265         $self->indent;
2266         $self->ParseTypePrint($struct, $ndr, $varname);
2267         $self->deindent;
2268         $self->pidl("}");
2269         $self->pidl("");
2270 }
2271
2272 #####################################################################
2273 # parse a function - print side
2274 sub ParseFunctionPrint($$)
2275 {
2276         my($self, $fn) = @_;
2277         my $ndr = "ndr";
2278
2279         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2280
2281         return if has_property($fn, "noprint");
2282
2283         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2284         $self->pidl("{");
2285         $self->indent;
2286
2287         foreach my $e (@{$fn->{ELEMENTS}}) {
2288                 $self->DeclareArrayVariables($e);
2289         }
2290
2291         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2292         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2293         $self->pidl("$ndr->depth++;");
2294
2295         $self->pidl("if (flags & NDR_SET_VALUES) {");
2296         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2297         $self->pidl("}");
2298
2299         $self->pidl("if (flags & NDR_IN) {");
2300         $self->indent;
2301         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2302         $self->pidl("$ndr->depth++;");
2303
2304         my $env = GenerateFunctionInEnv($fn);
2305
2306         foreach my $e (@{$fn->{ELEMENTS}}) {
2307                 if (grep(/in/,@{$e->{DIRECTION}})) {
2308                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2309                 }
2310         }
2311         $self->pidl("$ndr->depth--;");
2312         $self->deindent;
2313         $self->pidl("}");
2314
2315         $self->pidl("if (flags & NDR_OUT) {");
2316         $self->indent;
2317         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2318         $self->pidl("$ndr->depth++;");
2319
2320         $env = GenerateFunctionOutEnv($fn);
2321         foreach my $e (@{$fn->{ELEMENTS}}) {
2322                 if (grep(/out/,@{$e->{DIRECTION}})) {
2323                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2324                 }
2325         }
2326         if ($fn->{RETURN_TYPE}) {
2327                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2328         }
2329         $self->pidl("$ndr->depth--;");
2330         $self->deindent;
2331         $self->pidl("}");
2332
2333         $self->pidl("$ndr->depth--;");
2334         $self->deindent;
2335         $self->pidl("}");
2336         $self->pidl("");
2337 }
2338
2339 #####################################################################
2340 # parse a function
2341 sub ParseFunctionPush($$)
2342 {
2343         my($self, $fn) = @_;
2344         my $ndr = "ndr";
2345
2346         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2347
2348         return if has_property($fn, "nopush");
2349
2350         $self->pidl("{");
2351         $self->indent;
2352
2353         foreach my $e (@{$fn->{ELEMENTS}}) {
2354                 $self->DeclareArrayVariables($e);
2355         }
2356
2357         $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2358
2359         $self->pidl("if (flags & NDR_IN) {");
2360         $self->indent;
2361
2362         my $env = GenerateFunctionInEnv($fn);
2363
2364         EnvSubstituteValue($env, $fn);
2365
2366         foreach my $e (@{$fn->{ELEMENTS}}) {
2367                 if (grep(/in/,@{$e->{DIRECTION}})) {
2368                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2369                 }
2370         }
2371
2372         $self->deindent;
2373         $self->pidl("}");
2374
2375         $self->pidl("if (flags & NDR_OUT) {");
2376         $self->indent;
2377
2378         $env = GenerateFunctionOutEnv($fn);
2379         foreach my $e (@{$fn->{ELEMENTS}}) {
2380                 if (grep(/out/,@{$e->{DIRECTION}})) {
2381                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2382                 }
2383         }
2384
2385         if ($fn->{RETURN_TYPE}) {
2386                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2387         }
2388
2389         $self->deindent;
2390         $self->pidl("}");
2391         $self->pidl("return NDR_ERR_SUCCESS;");
2392         $self->deindent;
2393         $self->pidl("}");
2394         $self->pidl("");
2395 }
2396
2397 sub AllocateArrayLevel($$$$$$)
2398 {
2399         my ($self,$e,$l,$ndr,$var,$size) = @_;
2400
2401         my $pl = GetPrevLevel($e, $l);
2402         if (defined($pl) and
2403             $pl->{TYPE} eq "POINTER" and
2404             $pl->{POINTER_TYPE} eq "ref"
2405             and not $l->{IS_ZERO_TERMINATED}) {
2406                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2407                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2408                 $self->pidl("}");
2409                 if (grep(/in/,@{$e->{DIRECTION}}) and
2410                     grep(/out/,@{$e->{DIRECTION}})) {
2411                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2412                 }
2413                 return;
2414         }
2415
2416         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2417 }
2418
2419 #####################################################################
2420 # parse a function
2421 sub ParseFunctionPull($$)
2422 {
2423         my($self,$fn) = @_;
2424         my $ndr = "ndr";
2425
2426         # pull function args
2427         $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;
2428
2429         $self->pidl("{");
2430         $self->indent;
2431
2432         # declare any internal pointers we need
2433         foreach my $e (@{$fn->{ELEMENTS}}) {
2434                 $self->DeclarePtrVariables($e);
2435                 $self->DeclareArrayVariables($e, "pull");
2436         }
2437
2438         my %double_cases = ();
2439         foreach my $e (@{$fn->{ELEMENTS}}) {
2440                 next if ($e->{TYPE} eq "EMPTY");
2441                 next if ($double_cases{"$e->{NAME}"});
2442                 $self->DeclareMemCtxVariables($e);
2443                 $double_cases{"$e->{NAME}"} = 1;
2444         }
2445
2446         $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2447
2448         $self->pidl("if (flags & NDR_IN) {");
2449         $self->indent;
2450
2451         # auto-init the out section of a structure. I originally argued that
2452         # this was a bad idea as it hides bugs, but coping correctly
2453         # with initialisation and not wiping ref vars is turning
2454         # out to be too tricky (tridge)
2455         foreach my $e (@{$fn->{ELEMENTS}}) {
2456                 next unless grep(/out/, @{$e->{DIRECTION}});
2457                 $self->pidl("ZERO_STRUCT(r->out);");
2458                 $self->pidl("");
2459                 last;
2460         }
2461
2462         my $env = GenerateFunctionInEnv($fn);
2463
2464         foreach my $e (@{$fn->{ELEMENTS}}) {
2465                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2466                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2467         }
2468
2469         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2470         # own flag rather than be in NDR_IN ?
2471
2472         foreach my $e (@{$fn->{ELEMENTS}}) {
2473                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2474                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2475                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2476                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2477                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2478                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2479                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2480                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2481
2482                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2483                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2484                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2485                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2486                                 check_fully_dereferenced($e, $env));
2487                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2488
2489                         if (grep(/in/, @{$e->{DIRECTION}})) {
2490                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2491                         } else {
2492                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2493                         }
2494                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2495                         if (grep(/in/, @{$e->{DIRECTION}})) {
2496                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2497                         } else {
2498                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2499                         }
2500                 } else {
2501                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2502
2503                         if (grep(/in/, @{$e->{DIRECTION}})) {
2504                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2505                         } else {
2506                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2507                         }
2508                 }
2509         }
2510
2511         $self->add_deferred();
2512         $self->deindent;
2513         $self->pidl("}");
2514
2515         $self->pidl("if (flags & NDR_OUT) {");
2516         $self->indent;
2517
2518         $env = GenerateFunctionOutEnv($fn);
2519         foreach my $e (@{$fn->{ELEMENTS}}) {
2520                 next unless grep(/out/, @{$e->{DIRECTION}});
2521                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2522         }
2523
2524         if ($fn->{RETURN_TYPE}) {
2525                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2526         }
2527
2528         $self->add_deferred();
2529         $self->deindent;
2530         $self->pidl("}");
2531
2532         $self->pidl("return NDR_ERR_SUCCESS;");
2533         $self->deindent;
2534         $self->pidl("}");
2535         $self->pidl("");
2536 }
2537
2538 sub AuthServiceStruct($$$)
2539 {
2540         my ($self, $ifacename, $authservice) = @_;
2541         my @a = split /,/, $authservice;
2542         my $authservice_count = $#a + 1;
2543
2544         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2545         foreach my $ap (@a) {
2546                 $self->pidl("\t$ap, ");
2547         }
2548         $self->pidl("};");
2549         $self->pidl("");
2550
2551         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2552         $self->pidl("\t.count\t= $authservice_count,");
2553         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2554         $self->pidl("};");
2555         $self->pidl("");
2556 }
2557
2558 sub ParseGeneratePipeArray($$$)
2559 {
2560         my ($self, $fn, $direction) = @_;
2561
2562         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2563         $self->indent;
2564
2565         foreach my $e (@{$fn->{ELEMENTS}}) {
2566                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2567                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2568
2569                 my $cname = "$e->{TYPE}_chunk";
2570
2571                 $self->pidl("{");
2572                 $self->indent;
2573                 $self->pidl("\"$direction.$e->{NAME}\",");
2574                 $self->pidl("\"$cname\",");
2575                 $self->pidl("sizeof(struct $cname),");
2576                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2577                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2578                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2579                 $self->deindent;
2580                 $self->pidl("},");
2581         }
2582         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2583         $self->deindent;
2584         $self->pidl("};");
2585         $self->pidl("");
2586 }
2587
2588 sub FunctionCallPipes($$)
2589 {
2590         my ($self, $d) = @_;
2591         return if not defined($d->{OPNUM});
2592
2593         my $in_pipes = 0;
2594         my $out_pipes = 0;
2595
2596         foreach my $e (@{$d->{ELEMENTS}}) {
2597                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2598
2599                 if (grep(/in/, @{$e->{DIRECTION}})) {
2600                         $in_pipes++;
2601                 }
2602                 if (grep(/out/, @{$e->{DIRECTION}})) {
2603                         $out_pipes++;
2604                 }
2605         }
2606
2607         if ($in_pipes) {
2608                 $self->ParseGeneratePipeArray($d, "in");
2609         }
2610
2611         if ($out_pipes) {
2612                 $self->ParseGeneratePipeArray($d, "out");
2613         }
2614 }
2615
2616 sub FunctionCallEntry($$)
2617 {
2618         my ($self, $d) = @_;
2619         return 0 if not defined($d->{OPNUM});
2620
2621         my $in_pipes = 0;
2622         my $out_pipes = 0;
2623
2624         foreach my $e (@{$d->{ELEMENTS}}) {
2625                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2626
2627                 if (grep(/in/, @{$e->{DIRECTION}})) {
2628                         $in_pipes++;
2629                 }
2630                 if (grep(/out/, @{$e->{DIRECTION}})) {
2631                         $out_pipes++;
2632                 }
2633         }
2634
2635         my $in_pipes_ptr = "NULL";
2636         my $out_pipes_ptr = "NULL";
2637
2638         if ($in_pipes) {
2639                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2640         }
2641
2642         if ($out_pipes) {
2643                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2644         }
2645
2646         $self->pidl("\t{");
2647         $self->pidl("\t\t\"$d->{NAME}\",");
2648         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2649         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2650         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2651         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2652         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2653         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2654         $self->pidl("\t},");
2655         return 1;
2656 }
2657
2658 #####################################################################
2659 # produce a function call table
2660 sub FunctionTable($$)
2661 {
2662         my($self,$interface) = @_;
2663         my $count = 0;
2664         my $uname = uc $interface->{NAME};
2665
2666         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2667         return unless defined ($interface->{PROPERTIES}->{uuid});
2668
2669         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2670                 $self->FunctionCallPipes($d);
2671         }
2672
2673         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2674
2675         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2676                 $count += $self->FunctionCallEntry($d);
2677         }
2678         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2679         $self->pidl("};");
2680         $self->pidl("");
2681
2682         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2683         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2684                 $self->pidl("\t$ep, ");
2685         }
2686         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2687
2688         $self->pidl("};");
2689         $self->pidl("");
2690
2691         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2692         $self->pidl("\t.count\t= $endpoint_count,");
2693         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2694         $self->pidl("};");
2695         $self->pidl("");
2696
2697         if (! defined $interface->{PROPERTIES}->{authservice}) {
2698                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2699         }
2700
2701         $self->AuthServiceStruct($interface->{NAME},
2702                                      $interface->{PROPERTIES}->{authservice});
2703
2704         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2705         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2706         $self->pidl("\t.syntax_id\t= {");
2707         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2708         $self->pidl("\t\tNDR_$uname\_VERSION");
2709         $self->pidl("\t},");
2710         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2711         $self->pidl("\t.num_calls\t= $count,");
2712         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2713         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2714         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2715         $self->pidl("};");
2716         $self->pidl("");
2717
2718 }
2719
2720 #####################################################################
2721 # generate include statements for imported idl files
2722 sub HeaderImport
2723 {
2724         my $self = shift;
2725         my @imports = @_;
2726         foreach (@imports) {
2727                 $_ = unmake_str($_);
2728                 s/\.idl$//;
2729                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2730         }
2731 }
2732
2733 #####################################################################
2734 # generate include statements for included header files
2735 sub HeaderInclude
2736 {
2737         my $self = shift;
2738         my @includes = @_;
2739         foreach (@includes) {
2740                 $self->pidl_hdr("#include $_");
2741         }
2742 }
2743
2744 #####################################################################
2745 # generate prototypes and defines for the interface definitions
2746 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2747 # NDR parser and so do not belong here, technically speaking
2748 sub HeaderInterface($$$)
2749 {
2750         my($self,$interface,$needed) = @_;
2751
2752         my $count = 0;
2753
2754         if ($needed->{"compression"}) {
2755                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2756         }
2757
2758         if (has_property($interface, "object")) {
2759                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2760         }
2761
2762         if (defined $interface->{PROPERTIES}->{helper}) {
2763                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2764         }
2765
2766         if (defined $interface->{PROPERTIES}->{uuid}) {
2767                 my $name = uc $interface->{NAME};
2768                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2769                 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2770
2771                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2772
2773                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2774
2775                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2776                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2777
2778                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2779         }
2780
2781         foreach (@{$interface->{FUNCTIONS}}) {
2782                 next if has_property($_, "noopnum");
2783                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2784                 my $u_name = uc $_->{NAME};
2785
2786                 my $val = sprintf("0x%02x", $count);
2787                 if (defined($interface->{BASE})) {
2788                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2789                 }
2790
2791                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2792
2793                 $self->pidl_hdr("");
2794                 $count++;
2795         }
2796
2797         my $val = $count;
2798
2799         if (defined($interface->{BASE})) {
2800                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2801         }
2802
2803         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2804
2805 }
2806
2807 sub ParseTypePush($$$$$$)
2808 {
2809         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2810
2811         # save the old relative_base_offset
2812         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2813         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2814         # restore the old relative_base_offset
2815         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2816 }
2817
2818 sub ParseTypePushFunction($$$)
2819 {
2820         my ($self, $e, $varname) = @_;
2821         my $ndr = "ndr";
2822
2823         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2824
2825         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2826
2827         $self->pidl("{");
2828         $self->indent;
2829         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2830         $self->pidl("return NDR_ERR_SUCCESS;");
2831         $self->deindent;
2832         $self->pidl("}");
2833         $self->pidl("");;
2834 }
2835
2836 sub ParseTypePull($$$$$$)
2837 {
2838         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2839
2840         # save the old relative_base_offset
2841         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2842         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2843         # restore the old relative_base_offset
2844         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2845 }
2846
2847 sub ParseTypePullFunction($$)
2848 {
2849         my ($self, $e, $varname) = @_;
2850         my $ndr = "ndr";
2851
2852         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2853
2854         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2855
2856         $self->pidl("{");
2857         $self->indent;
2858         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2859         $self->pidl("return NDR_ERR_SUCCESS;");
2860         $self->deindent;
2861         $self->pidl("}");
2862         $self->pidl("");
2863 }
2864
2865 sub ParseTypePrint($$$$)
2866 {
2867         my ($self, $e, $ndr, $varname) = @_;
2868
2869         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2870 }
2871
2872 sub ParseTypePrintFunction($$$)
2873 {
2874         my ($self, $e, $varname) = @_;
2875         my $ndr = "ndr";
2876
2877         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2878
2879         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2880
2881         return if (has_property($e, "noprint"));
2882
2883         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2884         $self->pidl("{");
2885         $self->indent;
2886         $self->ParseTypePrint($e, $ndr, $varname);
2887         $self->deindent;
2888         $self->pidl("}");
2889         $self->pidl("");
2890 }
2891
2892 sub ParseTypeNdrSize($$)
2893 {
2894         my ($self,$t) = @_;
2895
2896         my $varname = "r";
2897         my $tf = $typefamily{$t->{TYPE}};
2898         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2899
2900         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2901
2902         $self->pidl("{");
2903         $self->indent;
2904         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2905         $self->deindent;
2906         $self->pidl("}");
2907         $self->pidl("");
2908 }
2909
2910 #####################################################################
2911 # parse the interface definitions
2912 sub ParseInterface($$$)
2913 {
2914         my($self,$interface,$needed) = @_;
2915
2916         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2917         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2918
2919         $self->pidl_hdr("");
2920
2921         $self->HeaderInterface($interface, $needed);
2922
2923         # Typedefs
2924         foreach my $d (@{$interface->{TYPES}}) {
2925                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2926                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2927                                 $self->ParsePipePushChunk($d);
2928                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2929                                 $self->ParsePipePullChunk($d);
2930                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2931                                 $self->ParsePipePrintChunk($d);
2932
2933                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2934                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2935                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2936                         next;
2937                 }
2938
2939                 next unless(typeHasBody($d));
2940
2941                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2942                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2943                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2944
2945                 # Make sure we don't generate a function twice...
2946                 $needed->{TypeFunctionName("ndr_push", $d)} =
2947                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2948                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2949
2950                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2951         }
2952
2953         # Functions
2954         foreach my $d (@{$interface->{FUNCTIONS}}) {
2955                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2956                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2957                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2958         }
2959
2960         $self->FunctionTable($interface);
2961
2962         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2963 }
2964
2965 sub GenerateIncludes($)
2966 {
2967         my ($self) = @_;
2968         if (is_intree()) {
2969                 $self->pidl("#include \"includes.h\"");
2970         } else {
2971                 $self->pidl("#ifndef _GNU_SOURCE");
2972                 $self->pidl("#define _GNU_SOURCE");
2973                 $self->pidl("#endif");
2974                 $self->pidl("#include <stdint.h>");
2975                 $self->pidl("#include <stdlib.h>");
2976                 $self->pidl("#include <stdio.h>");
2977                 $self->pidl("#include <stdbool.h>");
2978                 $self->pidl("#include <stdarg.h>");
2979                 $self->pidl("#include <string.h>");
2980         }
2981 }
2982
2983 #####################################################################
2984 # parse a parsed IDL structure back into an IDL file
2985 sub Parse($$$$)
2986 {
2987         my($self, $ndr,$gen_header,$ndr_header) = @_;
2988
2989         $self->pidl_hdr("/* header auto-generated by pidl */");
2990         $self->pidl_hdr("");
2991         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2992         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2993         $self->pidl_hdr("");
2994
2995         $self->pidl("/* parser auto-generated by pidl */");
2996         $self->pidl("");
2997         $self->GenerateIncludes();
2998         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2999         $self->pidl("");
3000
3001         my %needed = ();
3002
3003         foreach (@{$ndr}) {
3004                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
3005         }
3006
3007         foreach (@{$ndr}) {
3008                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
3009                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
3010                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
3011         }
3012
3013         return ($self->{res_hdr}, $self->{res});
3014 }
3015
3016 sub NeededElement($$$)
3017 {
3018         my ($e, $dir, $needed) = @_;
3019
3020         return if ($e->{TYPE} eq "EMPTY");
3021
3022         return if (ref($e->{TYPE}) eq "HASH" and
3023                        not defined($e->{TYPE}->{NAME}));
3024
3025         my ($t, $rt);
3026         if (ref($e->{TYPE}) eq "HASH") {
3027                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
3028         } else {
3029                 $t = $e->{TYPE};
3030         }
3031
3032         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
3033                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
3034         } else {
3035                 $rt = $e->{REPRESENTATION_TYPE};
3036         }
3037
3038         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
3039
3040         my @fn = ();
3041         if ($dir eq "print") {
3042                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
3043         } elsif ($dir eq "pull") {
3044                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
3045                 push (@fn, "ndr_$t\_to_$rt")
3046                         if ($rt ne $t);
3047         } elsif ($dir eq "push") {
3048                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3049                 push (@fn, "ndr_$rt\_to_$t")
3050                         if ($rt ne $t);
3051         } else {
3052                 die("invalid direction `$dir'");
3053         }
3054
3055         foreach (@fn) {
3056                 unless (defined($needed->{$_})) {
3057                         $needed->{$_} = 1;
3058                 }
3059         }
3060 }
3061
3062 sub NeededFunction($$)
3063 {
3064         my ($fn,$needed) = @_;
3065         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3066         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3067         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3068         foreach my $e (@{$fn->{ELEMENTS}}) {
3069                 $e->{PARENT} = $fn;
3070                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3071         }
3072 }
3073
3074 sub NeededType($$$)
3075 {
3076         sub NeededType($$$);
3077         my ($t,$needed,$req) = @_;
3078
3079         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3080         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3081
3082         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3083                 return unless defined($t->{ELEMENTS});
3084                 for my $e (@{$t->{ELEMENTS}}) {
3085                         $e->{PARENT} = $t;
3086                         if (has_property($e, "compression")) {
3087                                 $needed->{"compression"} = 1;
3088                         }
3089                         NeededElement($e, $req, $needed);
3090                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3091                 }
3092         }
3093 }
3094
3095 #####################################################################
3096 # work out what parse functions are needed
3097 sub NeededInterface($$)
3098 {
3099         my ($interface,$needed) = @_;
3100         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3101         foreach (reverse @{$interface->{TYPES}}) {
3102
3103                 if (has_property($_, "public")) {
3104                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3105                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3106                 }
3107
3108                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3109                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3110                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3111                 if (has_property($_, "gensize")) {
3112                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3113                 }
3114         }
3115 }
3116
3117 sub TypeFunctionName($$)
3118 {
3119         my ($prefix, $t) = @_;
3120
3121         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3122                         $t->{TYPE} eq "TYPEDEF");
3123         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3124         return "$prefix\_$t";
3125 }
3126
3127 1;