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 `$e->{NAME}', expected fully dereferenced variable") if ($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 is_deferred_switch_non_empty($)
 325 {
 326         # 1 if there needs to be a deferred branch in an ndr_pull/push,
 327         # 0 otherwise.
 328         my ($e) = @_;
 329         my $have_default = 0;
 330         foreach my $el (@{$e->{ELEMENTS}}) {
 331                 if ($el->{CASE} eq "default") {
 332                         $have_default = 1;
 333                 }
 334                 if ($el->{TYPE} ne "EMPTY") {
 335                         if (ContainsDeferred($el, $el->{LEVELS}[0])) {
 336                                 return 1;
 337                         }
 338                 }
 339         }
 340         return ! $have_default;
 341 }
 342
 343 sub ParseArrayPullGetSize($$$$$$)
 344 {
 345         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 346
 347         my $size;
 348
 349         if ($l->{IS_CONFORMANT}) {
 350                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 351         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 352                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 353         } else {
 354                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 355                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 356                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 357                         check_fully_dereferenced($e, $env));
 358         }
 359
 360         $self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
 361         my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
 362
 363         if (my $range = has_property($e, "range")) {
 364                 my ($low, $high) = split(/,/, $range, 2);
 365                 if ($low < 0) {
 366                         warning(0, "$low is invalid for the range of an array size");
 367                 }
 368                 if ($low == 0) {
 369                         $self->pidl("if ($array_size > $high) {");
 370                 } else {
 371                         $self->pidl("if ($array_size < $low || $array_size > $high) {");
 372                 }
 373                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 374                 $self->pidl("}");
 375         }
 376
 377         return $array_size;
 378 }
 379
 380 #####################################################################
 381 # parse an array - pull side
 382 sub ParseArrayPullGetLength($$$$$$;$)
 383 {
 384         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 385
 386         if (not defined($array_size)) {
 387                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 388         }
 389
 390         if (not $l->{IS_VARYING}) {
 391                 return $array_size;
 392         }
 393
 394         my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 395         $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
 396         my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
 397
 398         if (my $range = has_property($e, "range")) {
 399                 my ($low, $high) = split(/,/, $range, 2);
 400                 if ($low < 0) {
 401                         warning(0, "$low is invalid for the range of an array size");
 402                 }
 403                 if ($low == 0) {
 404                         $self->pidl("if ($array_length > $high) {");
 405                 } else {
 406                         $self->pidl("if ($array_length < $low || $array_length > $high) {");
 407                 }
 408                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 409                 $self->pidl("}");
 410         }
 411
 412         return $array_length;
 413 }
 414
 415 #####################################################################
 416 # parse an array - pull side
 417 sub ParseArrayPullHeader($$$$$$)
 418 {
 419         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 420
 421         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 422                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 423         }
 424
 425         if ($l->{IS_VARYING}) {
 426                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 427         }
 428
 429         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 430         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 431
 432         if ($array_length ne $array_size) {
 433                 $self->pidl("if ($array_length > $array_size) {");
 434                 $self->indent;
 435                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 436                 $self->deindent;
 437                 $self->pidl("}");
 438         }
 439
 440         if ($l->{IS_CONFORMANT} and (defined($l->{SIZE_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 441                 $self->defer("if ($var_name) {");
 442                 $self->defer_indent;
 443                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 444                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 445                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 446                         check_fully_dereferenced($e, $env));
 447                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 448                 $self->defer_deindent;
 449                 $self->defer("}");
 450         }
 451
 452         if ($l->{IS_VARYING} and (defined($l->{LENGTH_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 453                 $self->defer("if ($var_name) {");
 454                 $self->defer_indent;
 455                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 456                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 457                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 458                         check_fully_dereferenced($e, $env));
 459                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 460                 $self->defer_deindent;
 461                 $self->defer("}");
 462         }
 463
 464         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 465                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 466         }
 467
 468         return $array_length;
 469 }
 470
 471 sub compression_alg($$)
 472 {
 473         my ($e, $l) = @_;
 474         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 475
 476         return $alg;
 477 }
 478
 479 sub compression_clen($$$)
 480 {
 481         my ($e, $l, $env) = @_;
 482         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 483
 484         return ParseExpr($clen, $env, $e->{ORIGINAL});
 485 }
 486
 487 sub compression_dlen($$$)
 488 {
 489         my ($e,$l,$env) = @_;
 490         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 491
 492         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 493 }
 494
 495 sub ParseCompressionPushStart($$$$$)
 496 {
 497         my ($self,$e,$l,$ndr,$env) = @_;
 498         my $comndr = "$ndr\_compressed";
 499         my $alg = compression_alg($e, $l);
 500         my $dlen = compression_dlen($e, $l, $env);
 501
 502         $self->pidl("{");
 503         $self->indent;
 504         $self->pidl("struct ndr_push *$comndr;");
 505         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 506
 507         return $comndr;
 508 }
 509
 510 sub ParseCompressionPushEnd($$$$$)
 511 {
 512         my ($self,$e,$l,$ndr,$env) = @_;
 513         my $comndr = "$ndr\_compressed";
 514         my $alg = compression_alg($e, $l);
 515         my $dlen = compression_dlen($e, $l, $env);
 516
 517         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 518         $self->deindent;
 519         $self->pidl("}");
 520 }
 521
 522 sub ParseCompressionPullStart($$$$$)
 523 {
 524         my ($self,$e,$l,$ndr,$env) = @_;
 525         my $comndr = "$ndr\_compressed";
 526         my $alg = compression_alg($e, $l);
 527         my $dlen = compression_dlen($e, $l, $env);
 528
 529         $self->pidl("{");
 530         $self->indent;
 531         $self->pidl("struct ndr_pull *$comndr;");
 532         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 533
 534         return $comndr;
 535 }
 536
 537 sub ParseCompressionPullEnd($$$$$)
 538 {
 539         my ($self,$e,$l,$ndr,$env) = @_;
 540         my $comndr = "$ndr\_compressed";
 541         my $alg = compression_alg($e, $l);
 542         my $dlen = compression_dlen($e, $l, $env);
 543
 544         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 545         $self->deindent;
 546         $self->pidl("}");
 547 }
 548
 549 sub ParseSubcontextPushStart($$$$$)
 550 {
 551         my ($self,$e,$l,$ndr,$env) = @_;
 552         my $subndr = "_ndr_$e->{NAME}";
 553         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 554
 555         $self->pidl("{");
 556         $self->indent;
 557         $self->pidl("struct ndr_push *$subndr;");
 558         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 559
 560         if (defined $l->{COMPRESSION}) {
 561                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 562         }
 563
 564         return $subndr;
 565 }
 566
 567 sub ParseSubcontextPushEnd($$$$$)
 568 {
 569         my ($self,$e,$l,$ndr,$env) = @_;
 570         my $subndr = "_ndr_$e->{NAME}";
 571         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 572
 573         if (defined $l->{COMPRESSION}) {
 574                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 575         }
 576
 577         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 578         $self->deindent;
 579         $self->pidl("}");
 580 }
 581
 582 sub ParseSubcontextPullStart($$$$$)
 583 {
 584         my ($self,$e,$l,$ndr,$env) = @_;
 585         my $subndr = "_ndr_$e->{NAME}";
 586         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 587
 588         $self->pidl("{");
 589         $self->indent;
 590         $self->pidl("struct ndr_pull *$subndr;");
 591         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 592
 593         if (defined $l->{COMPRESSION}) {
 594                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 595         }
 596
 597         return $subndr;
 598 }
 599
 600 sub ParseSubcontextPullEnd($$$$$)
 601 {
 602         my ($self,$e,$l,$ndr,$env) = @_;
 603         my $subndr = "_ndr_$e->{NAME}";
 604         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 605
 606         if (defined $l->{COMPRESSION}) {
 607                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 608         }
 609
 610         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 611         $self->deindent;
 612         $self->pidl("}");
 613 }
 614
 615 sub ParseElementPushLevel
 616 {
 617         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 618
 619         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 620
 621         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 622                 $var_name = get_pointer_to($var_name);
 623         }
 624
 625         if (defined($ndr_flags)) {
 626                 if ($l->{TYPE} eq "SUBCONTEXT") {
 627                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 628                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 629                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 630                 } elsif ($l->{TYPE} eq "POINTER") {
 631                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 632                 } elsif ($l->{TYPE} eq "ARRAY") {
 633                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 634
 635                         my $nl = GetNextLevel($e, $l);
 636
 637                         # Allow speedups for arrays of scalar types
 638                         if (is_charset_array($e,$l)) {
 639                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 640                                 return;
 641                         } elsif (has_fast_array($e,$l)) {
 642                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 643                                 return;
 644                         }
 645                 } elsif ($l->{TYPE} eq "SWITCH") {
 646                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 647                 } elsif ($l->{TYPE} eq "DATA") {
 648                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 649                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 650                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 651                 }
 652         }
 653
 654         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
 655                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 656         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
 657                 my $rel_var_name = $var_name;
 658                 if ($l->{POINTER_TYPE} ne "ref") {
 659                         $self->pidl("if ($var_name) {");
 660                         $self->indent;
 661                         if ($l->{POINTER_TYPE} eq "relative") {
 662                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 663                         }
 664                         if ($l->{POINTER_TYPE} eq "relative_short") {
 665                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 666                         }
 667                 }
 668                 $var_name = get_value_of($var_name);
 669                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 670
 671                 if ($l->{POINTER_TYPE} ne "ref") {
 672                         if ($l->{POINTER_TYPE} eq "relative") {
 673                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 674                         }
 675                         $self->deindent;
 676                         $self->pidl("}");
 677                 }
 678         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 679                 not is_charset_array($e, $l)) {
 680                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 681                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 682
 683                 my $array_pointless = ($length eq "0");
 684
 685                 if ($array_pointless) {
 686                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 687                 }
 688
 689                 $var_name = get_array_element($var_name, $counter);
 690
 691                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 692                         $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
 693                         $self->indent;
 694                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 695                         $self->deindent;
 696                         $self->pidl("}");
 697                 }
 698
 699                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 700                         $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
 701                         $self->indent;
 702                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 703                         $self->deindent;
 704                         $self->pidl("}");
 705                 }
 706         } elsif ($l->{TYPE} eq "SWITCH") {
 707                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 708         }
 709 }
 710
 711 #####################################################################
 712 # parse scalars in a structure element
 713 sub ParseElementPush($$$$$$)
 714 {
 715         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 716         my $subndr = undef;
 717
 718         my $var_name = $env->{$e->{NAME}};
 719
 720         return if ContainsPipe($e, $e->{LEVELS}[0]);
 721
 722         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 723
 724         # Representation type is different from transmit_as
 725         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 726                 $self->pidl("{");
 727                 $self->indent;
 728                 my $transmit_name = "_transmit_$e->{NAME}";
 729                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 730                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 731                 $var_name = $transmit_name;
 732         }
 733
 734         $var_name = append_prefix($e, $var_name);
 735
 736         $self->start_flags($e, $ndr);
 737
 738         if (defined(my $value = has_property($e, "value"))) {
 739                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 740         }
 741
 742         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 743
 744         $self->end_flags($e, $ndr);
 745
 746         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 747                 $self->deindent;
 748                 $self->pidl("}");
 749         }
 750 }
 751
 752 #####################################################################
 753 # parse a pointer in a struct element or function
 754 sub ParsePtrPush($$$$$)
 755 {
 756         my ($self,$e,$l,$ndr,$var_name) = @_;
 757
 758         if ($l->{POINTER_TYPE} eq "ref") {
 759                 if ($l->{LEVEL_INDEX} > 0) {
 760                         $self->pidl("if ($var_name == NULL) {");
 761                         $self->indent;
 762                         $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 763                         $self->deindent;
 764                         $self->pidl("}");
 765                 }
 766                 if ($l->{LEVEL} eq "EMBEDDED") {
 767                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr)); /* $var_name */");
 768                 }
 769         } elsif ($l->{POINTER_TYPE} eq "relative") {
 770                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 771         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 772                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 773         } elsif ($l->{POINTER_TYPE} eq "unique") {
 774                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 775         } elsif ($l->{POINTER_TYPE} eq "full") {
 776                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 777         } elsif ($l->{POINTER_TYPE} eq "ignore") {
 778                 # We don't want this pointer to appear on the wire at all
 779                 $self->pidl("NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, 0));");
 780         } else {
 781                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 782         }
 783 }
 784
 785 sub need_pointer_to($$$)
 786 {
 787         my ($e, $l, $scalar_only) = @_;
 788
 789         my $t;
 790         if (ref($l->{DATA_TYPE})) {
 791                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 792         } else {
 793                 $t = $l->{DATA_TYPE};
 794         }
 795
 796         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 797                 return 1 if $scalar_only;
 798         }
 799
 800         my $arrays = 0;
 801
 802         foreach my $tl (@{$e->{LEVELS}}) {
 803                 last if $l == $tl;
 804                 if ($tl->{TYPE} eq "ARRAY") {
 805                         $arrays++;
 806                 }
 807         }
 808
 809         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 810                 return 1 unless $arrays;
 811         }
 812
 813         return 0;
 814 }
 815
 816 sub ParseDataPrint($$$$$)
 817 {
 818         my ($self, $e, $l, $ndr, $var_name) = @_;
 819
 820         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 821
 822                 if (need_pointer_to($e, $l, 1)) {
 823                         $var_name = get_pointer_to($var_name);
 824                 }
 825
 826                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 827         } else {
 828                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 829         }
 830 }
 831
 832 #####################################################################
 833 # print scalars in a structure element
 834 sub ParseElementPrint($$$$$)
 835 {
 836         my($self, $e, $ndr, $var_name, $env) = @_;
 837
 838         return if (has_property($e, "noprint"));
 839         my $cur_depth = 0;
 840         my $ignore_depth = 0xFFFF;
 841
 842         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 843                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 844                 return;
 845         }
 846
 847         $var_name = append_prefix($e, $var_name);
 848
 849         if (defined(my $value = has_property($e, "value"))) {
 850                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 851         }
 852
 853         foreach my $l (@{$e->{LEVELS}}) {
 854                 $cur_depth += 1;
 855
 856                 if ($cur_depth > $ignore_depth) {
 857                         next;
 858                 }
 859
 860                 if ($l->{TYPE} eq "POINTER") {
 861                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 862                         if ($l->{POINTER_TYPE} eq "ignore") {
 863                                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 864                                 $ignore_depth = $cur_depth;
 865                                 last;
 866                         }
 867                         $self->pidl("$ndr->depth++;");
 868                         if ($l->{POINTER_TYPE} ne "ref") {
 869                                 $self->pidl("if ($var_name) {");
 870                                 $self->indent;
 871                         }
 872                         $var_name = get_value_of($var_name);
 873                 } elsif ($l->{TYPE} eq "ARRAY") {
 874                         my $length;
 875
 876                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 877                                 $var_name = get_pointer_to($var_name);
 878                         }
 879
 880                         if ($l->{IS_ZERO_TERMINATED} and not defined($l->{LENGTH_IS})) {
 881                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 882                         } else {
 883                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 884                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 885                         }
 886
 887                         if (is_charset_array($e,$l)) {
 888                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 889                                 last;
 890                         } elsif (has_fast_array($e, $l)) {
 891                                 my $nl = GetNextLevel($e, $l);
 892                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 893                                 last;
 894                         } else {
 895                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 896
 897                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 898                                 $self->pidl("$ndr->depth++;");
 899                                 $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
 900                                 $self->indent;
 901
 902                                 $var_name = get_array_element($var_name, $counter);
 903                         }
 904                 } elsif ($l->{TYPE} eq "DATA") {
 905                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 906                 } elsif ($l->{TYPE} eq "SWITCH") {
 907                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 908                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 909                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 910                 }
 911         }
 912
 913         foreach my $l (reverse @{$e->{LEVELS}}) {
 914                 $cur_depth -= 1;
 915
 916                 if ($cur_depth > $ignore_depth) {
 917                         next;
 918                 }
 919
 920                 if ($l->{TYPE} eq "POINTER") {
 921                         if ($l->{POINTER_TYPE} eq "ignore") {
 922                                 next;
 923                         }
 924
 925                         if ($l->{POINTER_TYPE} ne "ref") {
 926                                 $self->deindent;
 927                                 $self->pidl("}");
 928                         }
 929                         $self->pidl("$ndr->depth--;");
 930                 } elsif (($l->{TYPE} eq "ARRAY")
 931                         and not is_charset_array($e,$l)
 932                         and not has_fast_array($e,$l)) {
 933                         $self->deindent;
 934                         $self->pidl("}");
 935                         $self->pidl("$ndr->depth--;");
 936                 }
 937         }
 938 }
 939
 940 #####################################################################
 941 # parse scalars in a structure element - pull size
 942 sub ParseSwitchPull($$$$$$)
 943 {
 944         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 945         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 946                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 947                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 948                 check_fully_dereferenced($e, $env));
 949
 950         $var_name = get_pointer_to($var_name);
 951         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 952 }
 953
 954 #####################################################################
 955 # push switch element
 956 sub ParseSwitchPush($$$$$$)
 957 {
 958         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 959         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 960                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 961                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 962                 check_fully_dereferenced($e, $env));
 963
 964         $var_name = get_pointer_to($var_name);
 965         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 966 }
 967
 968 sub ParseDataPull($$$$$$$)
 969 {
 970         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 971
 972         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 973
 974                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 975
 976                 if (need_pointer_to($e, $l, 0)) {
 977                         $var_name = get_pointer_to($var_name);
 978                 }
 979
 980                 $var_name = get_pointer_to($var_name);
 981
 982                 if (has_property($e, "skip")) {
 983                         $self->pidl("/* [skip] '$var_name' */");
 984                 } else {
 985                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 986                 }
 987
 988                 my $pl = GetPrevLevel($e, $l);
 989
 990                 my $range = has_property($e, "range");
 991                 if ($range and $pl->{TYPE} ne "ARRAY") {
 992                         $var_name = get_value_of($var_name);
 993                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 994                         my ($low, $high) = split(/,/, $range, 2);
 995                         if ($low < 0 and not $signed) {
 996                                 warning(0, "$low is invalid for the range of an unsigned type");
 997                         }
 998                         if ($low == 0 and not $signed) {
 999                                 $self->pidl("if ($var_name > $high) {");
1000                         } else {
1001                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
1002                         }
1003                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1004                         $self->pidl("}");
1005                 }
1006         } else {
1007                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
1008         }
1009 }
1010
1011 sub ParseDataPush($$$$$$$)
1012 {
1013         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
1014
1015         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
1016
1017                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1018
1019                 # strings are passed by value rather than reference
1020                 if (need_pointer_to($e, $l, 1)) {
1021                         $var_name = get_pointer_to($var_name);
1022                 }
1023
1024                 if (has_property($e, "skip")) {
1025                         $self->pidl("/* [skip] '$var_name' */");
1026                 } else {
1027                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
1028                 }
1029         } else {
1030                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
1031         }
1032 }
1033
1034 sub CalcNdrFlags($$$)
1035 {
1036         my ($l,$primitives,$deferred) = @_;
1037
1038         my $scalars = 0;
1039         my $buffers = 0;
1040
1041         # Add NDR_SCALARS if this one is deferred
1042         # and deferreds may be pushed
1043         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
1044
1045         # Add NDR_SCALARS if this one is not deferred and
1046         # primitives may be pushed
1047         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
1048
1049         # Add NDR_BUFFERS if this one contains deferred stuff
1050         # and deferreds may be pushed
1051         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
1052
1053         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
1054         return "NDR_SCALARS" if ($scalars);
1055         return "NDR_BUFFERS" if ($buffers);
1056         return undef;
1057 }
1058
1059 sub ParseMemCtxPullFlags($$$$)
1060 {
1061         my ($self, $e, $l) = @_;
1062
1063         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1064         return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
1065
1066         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1067         return undef if has_fast_array($e, $l);
1068         return undef if is_charset_array($e, $l);
1069
1070         my $mem_flags = "0";
1071
1072         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1073                 my $nl = GetNextLevel($e, $l);
1074                 return undef if ($nl->{TYPE} eq "PIPE");
1075                 return undef if ($nl->{TYPE} eq "ARRAY");
1076                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1077
1078                 if ($l->{LEVEL} eq "TOP") {
1079                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1080                 }
1081         }
1082
1083         return $mem_flags;
1084 }
1085
1086 sub ParseMemCtxPullStart($$$$$)
1087 {
1088         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1089
1090         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1091         my $mem_c_ctx = $ptr_name;
1092         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1093
1094         return unless defined($mem_c_flags);
1095
1096         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1097         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1098 }
1099
1100 sub ParseMemCtxPullEnd($$$$)
1101 {
1102         my ($self, $e, $l, $ndr) = @_;
1103
1104         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1105         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1106
1107         return unless defined($mem_r_flags);
1108
1109         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1110 }
1111
1112 sub CheckStringTerminator($$$$$)
1113 {
1114         my ($self,$ndr,$e,$l,$length) = @_;
1115         my $nl = GetNextLevel($e, $l);
1116
1117         # Make sure last element is zero!
1118         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1119 }
1120
1121 sub ParseElementPullLevel
1122 {
1123         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1124
1125         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1126         my $array_length = undef;
1127
1128         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1129                 $var_name = get_pointer_to($var_name);
1130         }
1131
1132         # Only pull something if there's actually something to be pulled
1133         if (defined($ndr_flags)) {
1134                 if ($l->{TYPE} eq "SUBCONTEXT") {
1135                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1136                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1137                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1138                 } elsif ($l->{TYPE} eq "ARRAY") {
1139                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1140                         $array_length = $length;
1141
1142                         my $nl = GetNextLevel($e, $l);
1143
1144                         if (is_charset_array($e,$l)) {
1145                                 if ($l->{IS_ZERO_TERMINATED}) {
1146                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1147                                 }
1148                                 if ($l->{IS_TO_NULL}) {
1149                                         $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}));");
1150                                 } else {
1151                                         $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}));");
1152                                 }
1153                                 return;
1154                         } elsif (has_fast_array($e, $l)) {
1155                                 if ($l->{IS_ZERO_TERMINATED}) {
1156                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1157                                 }
1158                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1159                                 return;
1160                         }
1161                 } elsif ($l->{TYPE} eq "POINTER") {
1162                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1163                 } elsif ($l->{TYPE} eq "SWITCH") {
1164                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1165                 } elsif ($l->{TYPE} eq "DATA") {
1166                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1167                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1168                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1169                 }
1170         }
1171
1172         # add additional constructions
1173         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1174                 $self->pidl("/* [ignore] '$e->{NAME}' */");
1175         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1176                 if ($l->{POINTER_TYPE} ne "ref") {
1177                         $self->pidl("if ($var_name) {");
1178                         $self->indent;
1179
1180                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1181                                 $self->pidl("uint32_t _relative_save_offset;");
1182                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1183                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1184                         }
1185                 }
1186
1187                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1188
1189                 $var_name = get_value_of($var_name);
1190                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1191
1192                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1193
1194                 if ($l->{POINTER_TYPE} ne "ref") {
1195                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1196                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1197                                 $self->indent;
1198                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1199                                 $self->deindent;
1200                                 $self->pidl("}");
1201                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1202                         }
1203                         $self->deindent;
1204                         $self->pidl("}");
1205                 }
1206         } elsif ($l->{TYPE} eq "ARRAY" and
1207                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1208                 my $length = $array_length;
1209                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1210                 my $array_name = $var_name;
1211
1212                 if (not defined($length)) {
1213                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1214                 }
1215
1216                 $var_name = get_array_element($var_name, $counter);
1217
1218                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1219
1220                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1221                         my $nl = GetNextLevel($e,$l);
1222
1223                         if ($l->{IS_ZERO_TERMINATED}) {
1224                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1225                         }
1226
1227                         $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
1228                         $self->indent;
1229                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1230                         $self->deindent;
1231                         $self->pidl("}");
1232                 }
1233
1234                 if ($deferred and ContainsDeferred($e, $l)) {
1235                         $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
1236                         $self->indent;
1237                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1238                         $self->deindent;
1239                         $self->pidl("}");
1240                 }
1241
1242                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1243
1244         } elsif ($l->{TYPE} eq "SWITCH") {
1245                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1246         }
1247 }
1248
1249 #####################################################################
1250 # parse scalars in a structure element - pull size
1251 sub ParseElementPull($$$$$$)
1252 {
1253         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1254
1255         my $var_name = $env->{$e->{NAME}};
1256         my $represent_name;
1257         my $transmit_name;
1258
1259         return if ContainsPipe($e, $e->{LEVELS}[0]);
1260
1261         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1262
1263         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1264                 $self->pidl("{");
1265                 $self->indent;
1266                 $represent_name = $var_name;
1267                 $transmit_name = "_transmit_$e->{NAME}";
1268                 $var_name = $transmit_name;
1269                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1270         }
1271
1272         $var_name = append_prefix($e, $var_name);
1273
1274         $self->start_flags($e, $ndr);
1275
1276         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1277
1278         $self->end_flags($e, $ndr);
1279
1280         # Representation type is different from transmit_as
1281         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1282                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1283                 $self->deindent;
1284                 $self->pidl("}");
1285         }
1286 }
1287
1288 #####################################################################
1289 # parse a pointer in a struct element or function
1290 sub ParsePtrPull($$$$$)
1291 {
1292         my($self, $e,$l,$ndr,$var_name) = @_;
1293
1294         my $nl = GetNextLevel($e, $l);
1295         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1296         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1297                                                  ($nl->{DATA_TYPE} eq "string"));
1298
1299         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1300
1301                 if (!$next_is_array and !$next_is_string) {
1302                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1303                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1304                         $self->pidl("}");
1305                 }
1306
1307                 return;
1308         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1309                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1310         } elsif (($l->{POINTER_TYPE} eq "unique") or
1311                  ($l->{POINTER_TYPE} eq "relative") or
1312                  ($l->{POINTER_TYPE} eq "full")) {
1313                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1314         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1315                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1316         } elsif ($l->{POINTER_TYPE} eq "ignore") {
1317                 #We want to consume the pointer bytes, but ignore the pointer value
1318                 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1319                 $self->pidl("_ptr_$e->{NAME} = 0;");
1320         } else {
1321                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1322         }
1323
1324         $self->pidl("if (_ptr_$e->{NAME}) {");
1325         $self->indent;
1326
1327         if ($l->{POINTER_TYPE} eq "ignore") {
1328                 # Don't do anything, we don't want to do the
1329                 # allocation, as we forced it to NULL just above, and
1330                 # we may not know the declared type anyway.
1331         } else {
1332                 # Don't do this for arrays, they're allocated at the actual level
1333                 # of the array
1334                 unless ($next_is_array or $next_is_string) {
1335                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1336                 } else {
1337                        # FIXME: Yes, this is nasty.
1338                        # We allocate an array twice
1339                        # - once just to indicate that it's there,
1340                        # - then the real allocation...
1341                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1342                 }
1343         }
1344
1345         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1346         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1347                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1348         }
1349         $self->deindent;
1350         $self->pidl("} else {");
1351         $self->pidl("\t$var_name = NULL;");
1352         $self->pidl("}");
1353 }
1354
1355 sub CheckRefPtrs($$$$)
1356 {
1357         my ($self,$e,$ndr,$env) = @_;
1358
1359         return if ContainsPipe($e, $e->{LEVELS}[0]);
1360         return if ($e->{LEVELS}[0]->{TYPE} ne "POINTER");
1361         return if ($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref");
1362
1363         my $var_name = $env->{$e->{NAME}};
1364         $var_name = append_prefix($e, $var_name);
1365
1366         $self->pidl("if ($var_name == NULL) {");
1367         $self->indent;
1368         $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
1369         $self->deindent;
1370         $self->pidl("}");
1371 }
1372
1373 sub ParseStructPushPrimitives($$$$$)
1374 {
1375         my ($self, $struct, $ndr, $varname, $env) = @_;
1376
1377         $self->CheckRefPtrs($_, $ndr, $env) foreach (@{$struct->{ELEMENTS}});
1378
1379         # see if the structure contains a conformant array. If it
1380         # does, then it must be the last element of the structure, and
1381         # we need to push the conformant length early, as it fits on
1382         # the wire before the structure (and even before the structure
1383         # alignment)
1384         if (defined($struct->{SURROUNDING_ELEMENT})) {
1385                 my $e = $struct->{SURROUNDING_ELEMENT};
1386
1387                 if (defined($e->{LEVELS}[0]) and
1388                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1389                         my $size;
1390
1391                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1392                                 if (has_property($e, "charset")) {
1393                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1394                                 } else {
1395                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1396                                 }
1397                                 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1398                                         $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1399                                 }
1400                         } else {
1401                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1402                         }
1403
1404                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1405                 } else {
1406                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1407                 }
1408         }
1409
1410         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1411
1412         if (defined($struct->{PROPERTIES}{relative_base})) {
1413                 # set the current offset as base for relative pointers
1414                 # and store it based on the toplevel struct/union
1415                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1416         }
1417
1418         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1419
1420         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1421 }
1422
1423 sub ParseStructPushDeferred($$$$)
1424 {
1425         my ($self, $struct, $ndr, $varname, $env) = @_;
1426         if (defined($struct->{PROPERTIES}{relative_base})) {
1427                 # retrieve the current offset as base for relative pointers
1428                 # based on the toplevel struct/union
1429                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1430         }
1431         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1432 }
1433
1434 #####################################################################
1435 # parse a struct
1436 sub ParseStructPush($$$$)
1437 {
1438         my ($self, $struct, $ndr, $varname) = @_;
1439
1440         return unless defined($struct->{ELEMENTS});
1441
1442         my $env = GenerateStructEnv($struct, $varname);
1443
1444         EnvSubstituteValue($env, $struct);
1445
1446         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1447
1448         $self->start_flags($struct, $ndr);
1449
1450         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1451         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1452         $self->indent;
1453         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1454         $self->deindent;
1455         $self->pidl("}");
1456
1457         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1458         $self->indent;
1459         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1460         $self->deindent;
1461         $self->pidl("}");
1462
1463         $self->end_flags($struct, $ndr);
1464 }
1465
1466 #####################################################################
1467 # generate a push function for an enum
1468 sub ParseEnumPush($$$$)
1469 {
1470         my($self,$enum,$ndr,$varname) = @_;
1471         my($type_fn) = $enum->{BASE_TYPE};
1472
1473         $self->start_flags($enum, $ndr);
1474         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1475         $self->end_flags($enum, $ndr);
1476 }
1477
1478 #####################################################################
1479 # generate a pull function for an enum
1480 sub ParseEnumPull($$$$)
1481 {
1482         my($self,$enum,$ndr,$varname) = @_;
1483         my($type_fn) = $enum->{BASE_TYPE};
1484         my($type_v_decl) = mapTypeName($type_fn);
1485
1486         $self->pidl("$type_v_decl v;");
1487         $self->start_flags($enum, $ndr);
1488         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1489         $self->pidl("*$varname = v;");
1490
1491         $self->end_flags($enum, $ndr);
1492 }
1493
1494 #####################################################################
1495 # generate a print function for an enum
1496 sub ParseEnumPrint($$$$$)
1497 {
1498         my($self,$enum,$ndr,$name,$varname) = @_;
1499
1500         $self->pidl("const char *val = NULL;");
1501         $self->pidl("");
1502
1503         $self->start_flags($enum, $ndr);
1504
1505         $self->pidl("switch ($varname) {");
1506         $self->indent;
1507         my $els = \@{$enum->{ELEMENTS}};
1508         foreach my $i (0 .. $#{$els}) {
1509                 my $e = ${$els}[$i];
1510                 chomp $e;
1511                 if ($e =~ /^(.*)=/) {
1512                         $e = $1;
1513                 }
1514                 $self->pidl("case $e: val = \"$e\"; break;");
1515         }
1516
1517         $self->deindent;
1518         $self->pidl("}");
1519
1520         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1521
1522         $self->end_flags($enum, $ndr);
1523 }
1524
1525 sub DeclEnum($$$$)
1526 {
1527         my ($e,$t,$name,$varname) = @_;
1528         return "enum $name " .
1529                 ($t eq "pull"?"*":"") . $varname;
1530 }
1531
1532 $typefamily{ENUM} = {
1533         DECL => \&DeclEnum,
1534         PUSH_FN_BODY => \&ParseEnumPush,
1535         PULL_FN_BODY => \&ParseEnumPull,
1536         PRINT_FN_BODY => \&ParseEnumPrint,
1537 };
1538
1539 #####################################################################
1540 # generate a push function for a bitmap
1541 sub ParseBitmapPush($$$$)
1542 {
1543         my($self,$bitmap,$ndr,$varname) = @_;
1544         my($type_fn) = $bitmap->{BASE_TYPE};
1545
1546         $self->start_flags($bitmap, $ndr);
1547
1548         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1549
1550         $self->end_flags($bitmap, $ndr);
1551 }
1552
1553 #####################################################################
1554 # generate a pull function for an bitmap
1555 sub ParseBitmapPull($$$$)
1556 {
1557         my($self,$bitmap,$ndr,$varname) = @_;
1558         my $type_fn = $bitmap->{BASE_TYPE};
1559         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1560
1561         $self->pidl("$type_decl v;");
1562         $self->start_flags($bitmap, $ndr);
1563         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1564         $self->pidl("*$varname = v;");
1565
1566         $self->end_flags($bitmap, $ndr);
1567 }
1568
1569 #####################################################################
1570 # generate a print function for an bitmap
1571 sub ParseBitmapPrintElement($$$$$$)
1572 {
1573         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1574         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1575         my($type_fn) = $bitmap->{BASE_TYPE};
1576         my($flag);
1577
1578         if ($e =~ /^(\w+) .*$/) {
1579                 $flag = "$1";
1580         } else {
1581                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1582         }
1583
1584         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1585 }
1586
1587 #####################################################################
1588 # generate a print function for an bitmap
1589 sub ParseBitmapPrint($$$$$)
1590 {
1591         my($self,$bitmap,$ndr,$name,$varname) = @_;
1592         my($type_decl) = mapTypeName($bitmap->{TYPE});
1593         my($type_fn) = $bitmap->{BASE_TYPE};
1594
1595         $self->start_flags($bitmap, $ndr);
1596
1597         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1598
1599         $self->pidl("$ndr->depth++;");
1600         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1601                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1602         }
1603         $self->pidl("$ndr->depth--;");
1604
1605         $self->end_flags($bitmap, $ndr);
1606 }
1607
1608 sub DeclBitmap($$$$)
1609 {
1610         my ($e,$t,$name,$varname) = @_;
1611         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1612                 ($t eq "pull"?" *":" ") . $varname;
1613 }
1614
1615 $typefamily{BITMAP} = {
1616         DECL => \&DeclBitmap,
1617         PUSH_FN_BODY => \&ParseBitmapPush,
1618         PULL_FN_BODY => \&ParseBitmapPull,
1619         PRINT_FN_BODY => \&ParseBitmapPrint,
1620 };
1621
1622 #####################################################################
1623 # generate a struct print function
1624 sub ParseStructPrint($$$$$)
1625 {
1626         my($self,$struct,$ndr,$name,$varname) = @_;
1627
1628         return unless defined $struct->{ELEMENTS};
1629
1630         my $env = GenerateStructEnv($struct, $varname);
1631
1632         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1633
1634         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1635         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1636
1637         $self->start_flags($struct, $ndr);
1638
1639         $self->pidl("$ndr->depth++;");
1640
1641         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1642                 foreach (@{$struct->{ELEMENTS}});
1643         $self->pidl("$ndr->depth--;");
1644
1645         $self->end_flags($struct, $ndr);
1646 }
1647
1648 sub DeclarePtrVariables($$)
1649 {
1650         my ($self,$e) = @_;
1651         foreach my $l (@{$e->{LEVELS}}) {
1652                 my $size = 32;
1653                 if ($l->{TYPE} eq "POINTER" and
1654                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1655                         if ($l->{POINTER_TYPE} eq "relative_short") {
1656                                 $size = 16;
1657                         }
1658                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1659                         last;
1660                 }
1661         }
1662 }
1663
1664 sub DeclareArrayVariables($$;$)
1665 {
1666         my ($self,$e,$pull) = @_;
1667
1668         foreach my $l (@{$e->{LEVELS}}) {
1669                 next if ($l->{TYPE} ne "ARRAY");
1670                 if (defined($pull)) {
1671                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1672                         if ($l->{IS_VARYING}) {
1673                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1674                         }
1675                 }
1676                 next if has_fast_array($e,$l);
1677                 next if is_charset_array($e,$l);
1678                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1679         }
1680 }
1681
1682 sub DeclareArrayVariablesNoZero($$$)
1683 {
1684         my ($self,$e,$env) = @_;
1685
1686         foreach my $l (@{$e->{LEVELS}}) {
1687                 next if ($l->{TYPE} ne "ARRAY");
1688                 next if has_fast_array($e,$l);
1689                 next if is_charset_array($e,$l);
1690                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1691                 if ($length eq "0") {
1692                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1693                 } else {
1694                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1695                 }
1696         }
1697 }
1698
1699 sub DeclareMemCtxVariables($$)
1700 {
1701         my ($self,$e) = @_;
1702         foreach my $l (@{$e->{LEVELS}}) {
1703                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1704
1705                 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1706                         last;
1707                 }
1708
1709                 if (defined($mem_flags)) {
1710                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX} = NULL;");
1711                 }
1712         }
1713 }
1714
1715 sub ParseStructPullPrimitives($$$$$)
1716 {
1717         my($self,$struct,$ndr,$varname,$env) = @_;
1718
1719         if (defined $struct->{SURROUNDING_ELEMENT}) {
1720                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1721         }
1722
1723         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1724
1725         if (defined($struct->{PROPERTIES}{relative_base})) {
1726                 # set the current offset as base for relative pointers
1727                 # and store it based on the toplevel struct/union
1728                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1729         }
1730
1731         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1732
1733         $self->add_deferred();
1734
1735         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1736 }
1737
1738 sub ParseStructPullDeferred($$$$$)
1739 {
1740         my ($self,$struct,$ndr,$varname,$env) = @_;
1741
1742         if (defined($struct->{PROPERTIES}{relative_base})) {
1743                 # retrieve the current offset as base for relative pointers
1744                 # based on the toplevel struct/union
1745                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1746         }
1747         foreach my $e (@{$struct->{ELEMENTS}}) {
1748                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1749         }
1750
1751         $self->add_deferred();
1752 }
1753
1754 #####################################################################
1755 # parse a struct - pull side
1756 sub ParseStructPull($$$$)
1757 {
1758         my($self,$struct,$ndr,$varname) = @_;
1759
1760         return unless defined $struct->{ELEMENTS};
1761
1762         # declare any internal pointers we need
1763         foreach my $e (@{$struct->{ELEMENTS}}) {
1764                 $self->DeclarePtrVariables($e);
1765                 $self->DeclareArrayVariables($e, "pull");
1766                 $self->DeclareMemCtxVariables($e);
1767         }
1768
1769         $self->start_flags($struct, $ndr);
1770
1771         my $env = GenerateStructEnv($struct, $varname);
1772
1773         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1774         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1775         $self->indent;
1776         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1777         $self->deindent;
1778         $self->pidl("}");
1779         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1780         $self->indent;
1781         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1782         $self->deindent;
1783         $self->pidl("}");
1784
1785         $self->end_flags($struct, $ndr);
1786 }
1787
1788 #####################################################################
1789 # calculate size of ndr struct
1790 sub ParseStructNdrSize($$$$)
1791 {
1792         my ($self,$t, $name, $varname) = @_;
1793         my $sizevar;
1794
1795         if (my $flags = has_property($t, "flag")) {
1796                 $self->pidl("flags |= $flags;");
1797         }
1798         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1799 }
1800
1801 sub DeclStruct($$$$)
1802 {
1803         my ($e,$t,$name,$varname) = @_;
1804         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1805 }
1806
1807 sub ArgsStructNdrSize($$$)
1808 {
1809         my ($d, $name, $varname) = @_;
1810         return "const struct $name *$varname, int flags";
1811 }
1812
1813 $typefamily{STRUCT} = {
1814         PUSH_FN_BODY => \&ParseStructPush,
1815         DECL => \&DeclStruct,
1816         PULL_FN_BODY => \&ParseStructPull,
1817         PRINT_FN_BODY => \&ParseStructPrint,
1818         SIZE_FN_BODY => \&ParseStructNdrSize,
1819         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1820 };
1821
1822 #####################################################################
1823 # calculate size of ndr struct
1824 sub ParseUnionNdrSize($$$)
1825 {
1826         my ($self, $t, $name, $varname) = @_;
1827         my $sizevar;
1828
1829         if (my $flags = has_property($t, "flag")) {
1830                 $self->pidl("flags |= $flags;");
1831         }
1832
1833         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1834 }
1835
1836 sub ParseUnionPushPrimitives($$$$)
1837 {
1838         my ($self, $e, $ndr ,$varname) = @_;
1839
1840         my $have_default = 0;
1841
1842         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1843
1844         if (defined($e->{SWITCH_TYPE})) {
1845                 if (defined($e->{ALIGN})) {
1846                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1847                 }
1848
1849                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1850         }
1851
1852         if (defined($e->{ALIGN})) {
1853                 if ($e->{IS_MS_UNION}) {
1854                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1855                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1856                 } else {
1857                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1858                 }
1859         }
1860
1861         $self->pidl("switch (level) {");
1862         $self->indent;
1863         foreach my $el (@{$e->{ELEMENTS}}) {
1864                 if ($el->{CASE} eq "default") {
1865                         $have_default = 1;
1866                 }
1867                 $self->pidl("$el->{CASE}: {");
1868
1869                 if ($el->{TYPE} ne "EMPTY") {
1870                         $self->indent;
1871                         if (defined($e->{PROPERTIES}{relative_base})) {
1872                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1873                                 # set the current offset as base for relative pointers
1874                                 # and store it based on the toplevel struct/union
1875                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1876                         }
1877                         $self->DeclareArrayVariables($el);
1878                         my $el_env = {$el->{NAME} => "$varname->$el->{NAME}"};
1879                         $self->CheckRefPtrs($el, $ndr, $el_env);
1880                         $self->ParseElementPush($el, $ndr, $el_env, 1, 0);
1881                         $self->deindent;
1882                 }
1883                 $self->pidl("break; }");
1884                 $self->pidl("");
1885         }
1886         if (! $have_default) {
1887                 $self->pidl("default:");
1888                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1889         }
1890         $self->deindent;
1891         $self->pidl("}");
1892 }
1893
1894 sub ParseUnionPushDeferred($$$$)
1895 {
1896         my ($self,$e,$ndr,$varname) = @_;
1897
1898         my $have_default = 0;
1899
1900         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1901         if (defined($e->{PROPERTIES}{relative_base})) {
1902                 # retrieve the current offset as base for relative pointers
1903                 # based on the toplevel struct/union
1904                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1905         }
1906         $self->pidl("switch (level) {");
1907         $self->indent;
1908         foreach my $el (@{$e->{ELEMENTS}}) {
1909                 if ($el->{CASE} eq "default") {
1910                         $have_default = 1;
1911                 }
1912
1913                 $self->pidl("$el->{CASE}:");
1914                 if ($el->{TYPE} ne "EMPTY") {
1915                         $self->indent;
1916                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1917                         $self->deindent;
1918                 }
1919                 $self->pidl("break;");
1920                 $self->pidl("");
1921         }
1922         if (! $have_default) {
1923                 $self->pidl("default:");
1924                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1925         }
1926         $self->deindent;
1927         $self->pidl("}");
1928 }
1929
1930 #####################################################################
1931 # parse a union - push side
1932 sub ParseUnionPush($$$$)
1933 {
1934         my ($self,$e,$ndr,$varname) = @_;
1935         my $have_default = 0;
1936
1937         $self->start_flags($e, $ndr);
1938
1939         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1940         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1941         $self->indent;
1942         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1943         $self->deindent;
1944         $self->pidl("}");
1945         if (is_deferred_switch_non_empty($e)) {
1946                 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1947                 $self->indent;
1948                 $self->ParseUnionPushDeferred($e, $ndr, $varname);
1949                 $self->deindent;
1950                 $self->pidl("}");
1951         }
1952         $self->end_flags($e, $ndr);
1953 }
1954
1955 #####################################################################
1956 # print a union
1957 sub ParseUnionPrint($$$$$)
1958 {
1959         my ($self,$e,$ndr,$name,$varname) = @_;
1960         my $have_default = 0;
1961
1962         $self->pidl("uint32_t level;");
1963         foreach my $el (@{$e->{ELEMENTS}}) {
1964                 $self->DeclareArrayVariables($el);
1965         }
1966
1967         $self->start_flags($e, $ndr);
1968
1969         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1970
1971         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1972
1973         $self->pidl("switch (level) {");
1974         $self->indent;
1975         foreach my $el (@{$e->{ELEMENTS}}) {
1976                 if ($el->{CASE} eq "default") {
1977                         $have_default = 1;
1978                 }
1979                 $self->pidl("$el->{CASE}:");
1980                 if ($el->{TYPE} ne "EMPTY") {
1981                         $self->indent;
1982                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1983                         $self->deindent;
1984                 }
1985                 $self->pidl("break;");
1986                 $self->pidl("");
1987         }
1988         if (! $have_default) {
1989                 $self->pidl("default:");
1990                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1991         }
1992         $self->deindent;
1993         $self->pidl("}");
1994
1995         $self->end_flags($e, $ndr);
1996 }
1997
1998 sub ParseUnionPullPrimitives($$$$$)
1999 {
2000         my ($self,$e,$ndr,$varname,$switch_type) = @_;
2001         my $have_default = 0;
2002
2003
2004         if (defined($switch_type)) {
2005                 if (defined($e->{ALIGN})) {
2006                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
2007                 }
2008
2009                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
2010                 $self->pidl("if (_level != level) {");
2011                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
2012                 $self->pidl("}");
2013         }
2014
2015         if (defined($e->{ALIGN})) {
2016                 if ($e->{IS_MS_UNION}) {
2017                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
2018                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
2019                 } else {
2020                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
2021                 }
2022         }
2023
2024         $self->pidl("switch (level) {");
2025         $self->indent;
2026         foreach my $el (@{$e->{ELEMENTS}}) {
2027                 if ($el->{CASE} eq "default") {
2028                         $have_default = 1;
2029                 }
2030                 $self->pidl("$el->{CASE}: {");
2031
2032                 if ($el->{TYPE} ne "EMPTY") {
2033                         $self->indent;
2034                         if (defined($e->{PROPERTIES}{relative_base})) {
2035                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
2036                                 # set the current offset as base for relative pointers
2037                                 # and store it based on the toplevel struct/union
2038                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
2039                         }
2040                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
2041                         $self->deindent;
2042                 }
2043                 $self->pidl("break; }");
2044                 $self->pidl("");
2045         }
2046         if (! $have_default) {
2047                 $self->pidl("default:");
2048                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2049         }
2050         $self->deindent;
2051         $self->pidl("}");
2052 }
2053
2054 sub ParseUnionPullDeferred($$$$)
2055 {
2056         my ($self,$e,$ndr,$varname) = @_;
2057         my $have_default = 0;
2058
2059         if (defined($e->{PROPERTIES}{relative_base})) {
2060                 # retrieve the current offset as base for relative pointers
2061                 # based on the toplevel struct/union
2062                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
2063         }
2064         $self->pidl("switch (level) {");
2065         $self->indent;
2066         foreach my $el (@{$e->{ELEMENTS}}) {
2067                 if ($el->{CASE} eq "default") {
2068                         $have_default = 1;
2069                 }
2070
2071                 $self->pidl("$el->{CASE}:");
2072                 if ($el->{TYPE} ne "EMPTY") {
2073                         $self->indent;
2074                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
2075                         $self->deindent;
2076                 }
2077                 $self->pidl("break;");
2078                 $self->pidl("");
2079         }
2080         if (! $have_default) {
2081                 $self->pidl("default:");
2082                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2083         }
2084         $self->deindent;
2085         $self->pidl("}");
2086
2087
2088 }
2089
2090 #####################################################################
2091 # parse a union - pull side
2092 sub ParseUnionPull($$$$)
2093 {
2094         my ($self,$e,$ndr,$varname) = @_;
2095         my $switch_type = $e->{SWITCH_TYPE};
2096
2097         $self->pidl("uint32_t level;");
2098         if (defined($switch_type)) {
2099                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2100                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2101                 }
2102                 $self->pidl(mapTypeName($switch_type) . " _level;");
2103         }
2104
2105         my %double_cases = ();
2106         foreach my $el (@{$e->{ELEMENTS}}) {
2107                 next if ($el->{TYPE} eq "EMPTY");
2108                 next if ($double_cases{"$el->{NAME}"});
2109                 $self->DeclareMemCtxVariables($el);
2110                 $self->DeclarePtrVariables($el);
2111                 $self->DeclareArrayVariables($el, "pull");
2112                 $double_cases{"$el->{NAME}"} = 1;
2113         }
2114
2115         $self->start_flags($e, $ndr);
2116
2117         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2118         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2119         $self->indent;
2120         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2121         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2122         $self->deindent;
2123         $self->pidl("}");
2124         if (is_deferred_switch_non_empty($e)) {
2125                 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2126                 $self->indent;
2127                 $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2128                 $self->ParseUnionPullDeferred($e,$ndr,$varname);
2129                 $self->deindent;
2130                 $self->pidl("}");
2131         }
2132         $self->add_deferred();
2133
2134         $self->end_flags($e, $ndr);
2135 }
2136
2137 sub DeclUnion($$$$)
2138 {
2139         my ($e,$t,$name,$varname) = @_;
2140         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2141 }
2142
2143 sub ArgsUnionNdrSize($$)
2144 {
2145         my ($d,$name) = @_;
2146         return "const union $name *r, uint32_t level, int flags";
2147 }
2148
2149 $typefamily{UNION} = {
2150         PUSH_FN_BODY => \&ParseUnionPush,
2151         DECL => \&DeclUnion,
2152         PULL_FN_BODY => \&ParseUnionPull,
2153         PRINT_FN_BODY => \&ParseUnionPrint,
2154         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2155         SIZE_FN_BODY => \&ParseUnionNdrSize,
2156 };
2157
2158 #####################################################################
2159 # parse a typedef - push side
2160 sub ParseTypedefPush($$$$)
2161 {
2162         my($self,$e,$ndr,$varname) = @_;
2163
2164         my $env;
2165
2166         $env->{$e->{NAME}} = $varname;
2167
2168         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2169 }
2170
2171 #####################################################################
2172 # parse a typedef - pull side
2173 sub ParseTypedefPull($$$$)
2174 {
2175         my($self,$e,$ndr,$varname) = @_;
2176
2177         my $env;
2178
2179         $env->{$e->{NAME}} = $varname;
2180
2181         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2182 }
2183
2184 #####################################################################
2185 # parse a typedef - print side
2186 sub ParseTypedefPrint($$$$$)
2187 {
2188         my($self,$e,$ndr,$name,$varname) = @_;
2189
2190         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2191 }
2192
2193 #####################################################################
2194 ## calculate the size of a structure
2195 sub ParseTypedefNdrSize($$$$)
2196 {
2197         my($self,$t,$name,$varname) = @_;
2198
2199         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2200 }
2201
2202 sub DeclTypedef($$$$)
2203 {
2204         my ($e, $t, $name, $varname) = @_;
2205
2206         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2207 }
2208
2209 sub ArgsTypedefNdrSize($$$)
2210 {
2211         my ($d, $name, $varname) = @_;
2212         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2213 }
2214
2215 $typefamily{TYPEDEF} = {
2216         PUSH_FN_BODY => \&ParseTypedefPush,
2217         DECL => \&DeclTypedef,
2218         PULL_FN_BODY => \&ParseTypedefPull,
2219         PRINT_FN_BODY => \&ParseTypedefPrint,
2220         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2221         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2222 };
2223
2224 sub ParsePipePushChunk($$)
2225 {
2226         my ($self, $t) = @_;
2227
2228         my $pipe = $t;
2229         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2230         my $struct = $pipe->{DATA};
2231
2232         my $name = "$struct->{NAME}";
2233         my $ndr = "ndr";
2234         my $varname = "r";
2235
2236         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2237
2238         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2239
2240         return if has_property($t, "nopush");
2241
2242         $self->pidl("{");
2243         $self->indent;
2244
2245         $self->ParseStructPush($struct, $ndr, $varname);
2246         $self->pidl("");
2247
2248         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2249         $self->pidl("");
2250
2251         $self->pidl("return NDR_ERR_SUCCESS;");
2252         $self->deindent;
2253         $self->pidl("}");
2254         $self->pidl("");
2255 }
2256
2257 sub ParsePipePullChunk($$)
2258 {
2259         my ($self, $t) = @_;
2260
2261         my $pipe = $t;
2262         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2263         my $struct = $pipe->{DATA};
2264
2265         my $name = "$struct->{NAME}";
2266         my $ndr = "ndr";
2267         my $varname = "r";
2268
2269         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2270
2271         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2272
2273         return if has_property($struct, "nopull");
2274
2275         $self->pidl("{");
2276         $self->indent;
2277
2278         $self->ParseStructPull($struct, $ndr, $varname);
2279         $self->pidl("");
2280
2281         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2282         $self->pidl("");
2283
2284         $self->pidl("return NDR_ERR_SUCCESS;");
2285         $self->deindent;
2286         $self->pidl("}");
2287         $self->pidl("");
2288 }
2289
2290 sub ParsePipePrintChunk($$)
2291 {
2292         my ($self, $t) = @_;
2293
2294         my $pipe = $t;
2295         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2296         my $struct = $pipe->{DATA};
2297
2298         my $name = "$struct->{NAME}";
2299         my $ndr = "ndr";
2300         my $varname = "r";
2301
2302         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2303
2304         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2305
2306         return if (has_property($t, "noprint"));
2307
2308         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2309         $self->pidl("{");
2310         $self->indent;
2311         $self->ParseTypePrint($struct, $ndr, $varname);
2312         $self->deindent;
2313         $self->pidl("}");
2314         $self->pidl("");
2315 }
2316
2317 #####################################################################
2318 # parse a function - print side
2319 sub ParseFunctionPrint($$)
2320 {
2321         my($self, $fn) = @_;
2322         my $ndr = "ndr";
2323
2324         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2325
2326         return if has_property($fn, "noprint");
2327
2328         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2329         $self->pidl("{");
2330         $self->indent;
2331
2332         foreach my $e (@{$fn->{ELEMENTS}}) {
2333                 $self->DeclareArrayVariables($e);
2334         }
2335
2336         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2337         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2338         $self->pidl("$ndr->depth++;");
2339
2340         $self->pidl("if (flags & NDR_SET_VALUES) {");
2341         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2342         $self->pidl("}");
2343
2344         $self->pidl("if (flags & NDR_IN) {");
2345         $self->indent;
2346         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2347         $self->pidl("$ndr->depth++;");
2348
2349         my $env = GenerateFunctionInEnv($fn);
2350
2351         foreach my $e (@{$fn->{ELEMENTS}}) {
2352                 if (grep(/in/,@{$e->{DIRECTION}})) {
2353                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2354                 }
2355         }
2356         $self->pidl("$ndr->depth--;");
2357         $self->deindent;
2358         $self->pidl("}");
2359
2360         $self->pidl("if (flags & NDR_OUT) {");
2361         $self->indent;
2362         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2363         $self->pidl("$ndr->depth++;");
2364
2365         $env = GenerateFunctionOutEnv($fn);
2366         foreach my $e (@{$fn->{ELEMENTS}}) {
2367                 if (grep(/out/,@{$e->{DIRECTION}})) {
2368                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2369                 }
2370         }
2371         if ($fn->{RETURN_TYPE}) {
2372                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2373         }
2374         $self->pidl("$ndr->depth--;");
2375         $self->deindent;
2376         $self->pidl("}");
2377
2378         $self->pidl("$ndr->depth--;");
2379         $self->deindent;
2380         $self->pidl("}");
2381         $self->pidl("");
2382 }
2383
2384 #####################################################################
2385 # parse a function
2386 sub ParseFunctionPush($$)
2387 {
2388         my($self, $fn) = @_;
2389         my $ndr = "ndr";
2390
2391         $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;
2392
2393         return if has_property($fn, "nopush");
2394
2395         $self->pidl("{");
2396         $self->indent;
2397
2398         foreach my $e (@{$fn->{ELEMENTS}}) {
2399                 $self->DeclareArrayVariables($e);
2400         }
2401
2402         $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2403
2404         $self->pidl("if (flags & NDR_IN) {");
2405         $self->indent;
2406
2407         my $env = GenerateFunctionInEnv($fn);
2408
2409         EnvSubstituteValue($env, $fn);
2410
2411         foreach my $e (@{$fn->{ELEMENTS}}) {
2412                 if (grep(/in/,@{$e->{DIRECTION}})) {
2413                         $self->CheckRefPtrs($e, $ndr, $env);
2414                 }
2415         }
2416
2417         foreach my $e (@{$fn->{ELEMENTS}}) {
2418                 if (grep(/in/,@{$e->{DIRECTION}})) {
2419                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2420                 }
2421         }
2422
2423         $self->deindent;
2424         $self->pidl("}");
2425
2426         $self->pidl("if (flags & NDR_OUT) {");
2427         $self->indent;
2428
2429         $env = GenerateFunctionOutEnv($fn);
2430         EnvSubstituteValue($env, $fn);
2431
2432         foreach my $e (@{$fn->{ELEMENTS}}) {
2433                 if (grep(/out/,@{$e->{DIRECTION}})) {
2434                         $self->CheckRefPtrs($e, $ndr, $env);
2435                 }
2436         }
2437
2438         foreach my $e (@{$fn->{ELEMENTS}}) {
2439                 if (grep(/out/,@{$e->{DIRECTION}})) {
2440                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2441                 }
2442         }
2443
2444         if ($fn->{RETURN_TYPE}) {
2445                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2446         }
2447
2448         $self->deindent;
2449         $self->pidl("}");
2450         $self->pidl("return NDR_ERR_SUCCESS;");
2451         $self->deindent;
2452         $self->pidl("}");
2453         $self->pidl("");
2454 }
2455
2456 sub AllocateArrayLevel($$$$$$)
2457 {
2458         my ($self,$e,$l,$ndr,$var,$size) = @_;
2459
2460         my $pl = GetPrevLevel($e, $l);
2461         if (defined($pl) and
2462             $pl->{TYPE} eq "POINTER" and
2463             $pl->{POINTER_TYPE} eq "ref"
2464             and not $l->{IS_ZERO_TERMINATED}) {
2465                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2466                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2467                 $self->pidl("}");
2468                 if (grep(/in/,@{$e->{DIRECTION}}) and
2469                     grep(/out/,@{$e->{DIRECTION}})) {
2470                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2471                 }
2472                 return;
2473         }
2474
2475         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2476 }
2477
2478 #####################################################################
2479 # parse a function
2480 sub ParseFunctionPull($$)
2481 {
2482         my($self,$fn) = @_;
2483         my $ndr = "ndr";
2484
2485         # pull function args
2486         $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;
2487
2488         $self->pidl("{");
2489         $self->indent;
2490
2491         # declare any internal pointers we need
2492         foreach my $e (@{$fn->{ELEMENTS}}) {
2493                 $self->DeclarePtrVariables($e);
2494                 $self->DeclareArrayVariables($e, "pull");
2495         }
2496
2497         my %double_cases = ();
2498         foreach my $e (@{$fn->{ELEMENTS}}) {
2499                 next if ($e->{TYPE} eq "EMPTY");
2500                 next if ($double_cases{"$e->{NAME}"});
2501                 $self->DeclareMemCtxVariables($e);
2502                 $double_cases{"$e->{NAME}"} = 1;
2503         }
2504
2505         $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2506
2507         $self->pidl("if (flags & NDR_IN) {");
2508         $self->indent;
2509
2510         # auto-init the out section of a structure. I originally argued that
2511         # this was a bad idea as it hides bugs, but coping correctly
2512         # with initialisation and not wiping ref vars is turning
2513         # out to be too tricky (tridge)
2514         foreach my $e (@{$fn->{ELEMENTS}}) {
2515                 next unless grep(/out/, @{$e->{DIRECTION}});
2516                 $self->pidl("ZERO_STRUCT(r->out);");
2517                 $self->pidl("");
2518                 last;
2519         }
2520
2521         my $env = GenerateFunctionInEnv($fn);
2522
2523         foreach my $e (@{$fn->{ELEMENTS}}) {
2524                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2525                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2526         }
2527
2528         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2529         # own flag rather than be in NDR_IN ?
2530
2531         foreach my $e (@{$fn->{ELEMENTS}}) {
2532                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2533                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2534                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2535                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2536                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2537                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2538                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2539                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2540
2541                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2542                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2543                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2544                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2545                                 check_fully_dereferenced($e, $env));
2546                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2547
2548                         if (grep(/in/, @{$e->{DIRECTION}})) {
2549                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2550                         } else {
2551                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2552                         }
2553                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2554                         if (grep(/in/, @{$e->{DIRECTION}})) {
2555                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2556                         } else {
2557                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2558                         }
2559                 } else {
2560                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2561
2562                         if (grep(/in/, @{$e->{DIRECTION}})) {
2563                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2564                         } else {
2565                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2566                         }
2567                 }
2568         }
2569
2570         $self->add_deferred();
2571         $self->deindent;
2572         $self->pidl("}");
2573
2574         $self->pidl("if (flags & NDR_OUT) {");
2575         $self->indent;
2576
2577         $env = GenerateFunctionOutEnv($fn);
2578         foreach my $e (@{$fn->{ELEMENTS}}) {
2579                 next unless grep(/out/, @{$e->{DIRECTION}});
2580                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2581         }
2582
2583         if ($fn->{RETURN_TYPE}) {
2584                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2585         }
2586
2587         $self->add_deferred();
2588         $self->deindent;
2589         $self->pidl("}");
2590
2591         $self->pidl("return NDR_ERR_SUCCESS;");
2592         $self->deindent;
2593         $self->pidl("}");
2594         $self->pidl("");
2595 }
2596
2597 sub AuthServiceStruct($$$)
2598 {
2599         my ($self, $ifacename, $authservice) = @_;
2600         my @a = split /,/, $authservice;
2601         my $authservice_count = $#a + 1;
2602
2603         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2604         foreach my $ap (@a) {
2605                 $self->pidl("\t$ap, ");
2606         }
2607         $self->pidl("};");
2608         $self->pidl("");
2609
2610         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2611         $self->pidl("\t.count\t= $authservice_count,");
2612         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2613         $self->pidl("};");
2614         $self->pidl("");
2615 }
2616
2617 sub ParseGeneratePipeArray($$$)
2618 {
2619         my ($self, $fn, $direction) = @_;
2620
2621         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2622         $self->indent;
2623
2624         foreach my $e (@{$fn->{ELEMENTS}}) {
2625                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2626                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2627
2628                 my $cname = "$e->{TYPE}_chunk";
2629
2630                 $self->pidl("{");
2631                 $self->indent;
2632                 $self->pidl("\"$direction.$e->{NAME}\",");
2633                 $self->pidl("\"$cname\",");
2634                 $self->pidl("sizeof(struct $cname),");
2635                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2636                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2637                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2638                 $self->deindent;
2639                 $self->pidl("},");
2640         }
2641         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2642         $self->deindent;
2643         $self->pidl("};");
2644         $self->pidl("");
2645 }
2646
2647 sub FunctionCallPipes($$)
2648 {
2649         my ($self, $d) = @_;
2650         return if not defined($d->{OPNUM});
2651
2652         my $in_pipes = 0;
2653         my $out_pipes = 0;
2654
2655         foreach my $e (@{$d->{ELEMENTS}}) {
2656                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2657
2658                 if (grep(/in/, @{$e->{DIRECTION}})) {
2659                         $in_pipes++;
2660                 }
2661                 if (grep(/out/, @{$e->{DIRECTION}})) {
2662                         $out_pipes++;
2663                 }
2664         }
2665
2666         if ($in_pipes) {
2667                 $self->ParseGeneratePipeArray($d, "in");
2668         }
2669
2670         if ($out_pipes) {
2671                 $self->ParseGeneratePipeArray($d, "out");
2672         }
2673 }
2674
2675 sub FunctionCallEntry($$)
2676 {
2677         my ($self, $d) = @_;
2678         return 0 if not defined($d->{OPNUM});
2679
2680         my $in_pipes = 0;
2681         my $out_pipes = 0;
2682
2683         foreach my $e (@{$d->{ELEMENTS}}) {
2684                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2685
2686                 if (grep(/in/, @{$e->{DIRECTION}})) {
2687                         $in_pipes++;
2688                 }
2689                 if (grep(/out/, @{$e->{DIRECTION}})) {
2690                         $out_pipes++;
2691                 }
2692         }
2693
2694         my $in_pipes_ptr = "NULL";
2695         my $out_pipes_ptr = "NULL";
2696
2697         if ($in_pipes) {
2698                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2699         }
2700
2701         if ($out_pipes) {
2702                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2703         }
2704
2705         $self->pidl("\t{");
2706         $self->pidl("\t\t\"$d->{NAME}\",");
2707         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2708         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2709         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2710         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2711         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2712         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2713         $self->pidl("\t},");
2714         return 1;
2715 }
2716
2717 #####################################################################
2718 # produce a function call table
2719 sub FunctionTable($$)
2720 {
2721         my($self,$interface) = @_;
2722         my $count = 0;
2723         my $uname = uc $interface->{NAME};
2724
2725         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2726         return unless defined ($interface->{PROPERTIES}->{uuid});
2727
2728         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2729                 $self->FunctionCallPipes($d);
2730         }
2731
2732         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2733
2734         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2735                 $count += $self->FunctionCallEntry($d);
2736         }
2737         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2738         $self->pidl("};");
2739         $self->pidl("");
2740
2741         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2742         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2743                 $self->pidl("\t$ep, ");
2744         }
2745         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2746
2747         $self->pidl("};");
2748         $self->pidl("");
2749
2750         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2751         $self->pidl("\t.count\t= $endpoint_count,");
2752         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2753         $self->pidl("};");
2754         $self->pidl("");
2755
2756         if (! defined $interface->{PROPERTIES}->{authservice}) {
2757                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2758         }
2759
2760         $self->AuthServiceStruct($interface->{NAME},
2761                                      $interface->{PROPERTIES}->{authservice});
2762
2763         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2764         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2765         $self->pidl("\t.syntax_id\t= {");
2766         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2767         $self->pidl("\t\tNDR_$uname\_VERSION");
2768         $self->pidl("\t},");
2769         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2770         $self->pidl("\t.num_calls\t= $count,");
2771         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2772         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2773         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2774         $self->pidl("};");
2775         $self->pidl("");
2776
2777 }
2778
2779 #####################################################################
2780 # generate include statements for imported idl files
2781 sub HeaderImport
2782 {
2783         my $self = shift;
2784         my @imports = @_;
2785         foreach (@imports) {
2786                 $_ = unmake_str($_);
2787                 s/\.idl$//;
2788                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2789         }
2790 }
2791
2792 #####################################################################
2793 # generate include statements for included header files
2794 sub HeaderInclude
2795 {
2796         my $self = shift;
2797         my @includes = @_;
2798         foreach (@includes) {
2799                 $self->pidl_hdr("#include $_");
2800         }
2801 }
2802
2803 #####################################################################
2804 # generate prototypes and defines for the interface definitions
2805 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2806 # NDR parser and so do not belong here, technically speaking
2807 sub HeaderInterface($$$)
2808 {
2809         my($self,$interface,$needed) = @_;
2810
2811         my $count = 0;
2812
2813         if ($needed->{"compression"}) {
2814                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2815         }
2816
2817         if (has_property($interface, "object")) {
2818                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2819         }
2820
2821         if (defined $interface->{PROPERTIES}->{helper}) {
2822                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2823         }
2824
2825         if (defined $interface->{PROPERTIES}->{uuid}) {
2826                 my $name = uc $interface->{NAME};
2827                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2828                 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2829
2830                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2831
2832                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2833
2834                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2835                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2836
2837                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2838         }
2839
2840         foreach (@{$interface->{FUNCTIONS}}) {
2841                 next if has_property($_, "noopnum");
2842                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2843                 my $u_name = uc $_->{NAME};
2844
2845                 my $val = sprintf("0x%02x", $count);
2846                 if (defined($interface->{BASE})) {
2847                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2848                 }
2849
2850                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2851
2852                 $self->pidl_hdr("");
2853                 $count++;
2854         }
2855
2856         my $val = $count;
2857
2858         if (defined($interface->{BASE})) {
2859                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2860         }
2861
2862         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2863
2864 }
2865
2866 sub ParseTypePush($$$$$$)
2867 {
2868         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2869
2870         # save the old relative_base_offset
2871         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2872         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2873         # restore the old relative_base_offset
2874         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2875 }
2876
2877 sub ParseTypePushFunction($$$)
2878 {
2879         my ($self, $e, $varname) = @_;
2880         my $ndr = "ndr";
2881
2882         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2883
2884         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2885
2886         $self->pidl("{");
2887         $self->indent;
2888         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2889         $self->pidl("return NDR_ERR_SUCCESS;");
2890         $self->deindent;
2891         $self->pidl("}");
2892         $self->pidl("");;
2893 }
2894
2895 sub ParseTypePull($$$$$$)
2896 {
2897         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2898
2899         # save the old relative_base_offset
2900         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2901         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2902         # restore the old relative_base_offset
2903         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2904 }
2905
2906 sub ParseTypePullFunction($$)
2907 {
2908         my ($self, $e, $varname) = @_;
2909         my $ndr = "ndr";
2910
2911         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2912
2913         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2914
2915         $self->pidl("{");
2916         $self->indent;
2917         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2918         $self->pidl("return NDR_ERR_SUCCESS;");
2919         $self->deindent;
2920         $self->pidl("}");
2921         $self->pidl("");
2922 }
2923
2924 sub ParseTypePrint($$$$)
2925 {
2926         my ($self, $e, $ndr, $varname) = @_;
2927
2928         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2929 }
2930
2931 sub ParseTypePrintFunction($$$)
2932 {
2933         my ($self, $e, $varname) = @_;
2934         my $ndr = "ndr";
2935
2936         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2937
2938         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2939
2940         return if (has_property($e, "noprint"));
2941
2942         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2943         $self->pidl("{");
2944         $self->indent;
2945         $self->ParseTypePrint($e, $ndr, $varname);
2946         $self->deindent;
2947         $self->pidl("}");
2948         $self->pidl("");
2949 }
2950
2951 sub ParseTypeNdrSize($$)
2952 {
2953         my ($self,$t) = @_;
2954
2955         my $varname = "r";
2956         my $tf = $typefamily{$t->{TYPE}};
2957         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2958
2959         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2960
2961         $self->pidl("{");
2962         $self->indent;
2963         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2964         $self->deindent;
2965         $self->pidl("}");
2966         $self->pidl("");
2967 }
2968
2969 #####################################################################
2970 # parse the interface definitions
2971 sub ParseInterface($$$)
2972 {
2973         my($self,$interface,$needed) = @_;
2974
2975         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2976         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2977
2978         $self->pidl_hdr("");
2979
2980         $self->HeaderInterface($interface, $needed);
2981
2982         # Typedefs
2983         foreach my $d (@{$interface->{TYPES}}) {
2984                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2985                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2986                                 $self->ParsePipePushChunk($d);
2987                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2988                                 $self->ParsePipePullChunk($d);
2989                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2990                                 $self->ParsePipePrintChunk($d);
2991
2992                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2993                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2994                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2995                         next;
2996                 }
2997
2998                 next unless(typeHasBody($d));
2999
3000                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
3001                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
3002                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
3003
3004                 # Make sure we don't generate a function twice...
3005                 $needed->{TypeFunctionName("ndr_push", $d)} =
3006                     $needed->{TypeFunctionName("ndr_pull", $d)} =
3007                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
3008
3009                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
3010         }
3011
3012         # Functions
3013         foreach my $d (@{$interface->{FUNCTIONS}}) {
3014                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
3015                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
3016                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
3017         }
3018
3019         $self->FunctionTable($interface);
3020
3021         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
3022 }
3023
3024 sub GenerateIncludes($)
3025 {
3026         my ($self) = @_;
3027         if (is_intree()) {
3028                 $self->pidl("#include \"includes.h\"");
3029         } else {
3030                 $self->pidl("#ifndef _GNU_SOURCE");
3031                 $self->pidl("#define _GNU_SOURCE");
3032                 $self->pidl("#endif");
3033                 $self->pidl("#include <stdint.h>");
3034                 $self->pidl("#include <stdlib.h>");
3035                 $self->pidl("#include <stdio.h>");
3036                 $self->pidl("#include <stdbool.h>");
3037                 $self->pidl("#include <stdarg.h>");
3038                 $self->pidl("#include <string.h>");
3039         }
3040 }
3041
3042 #####################################################################
3043 # parse a parsed IDL structure back into an IDL file
3044 sub Parse($$$$)
3045 {
3046         my($self, $ndr,$gen_header,$ndr_header) = @_;
3047
3048         $self->pidl_hdr("/* header auto-generated by pidl */");
3049         $self->pidl_hdr("");
3050         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
3051         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
3052         $self->pidl_hdr("");
3053
3054         $self->pidl("/* parser auto-generated by pidl */");
3055         $self->pidl("");
3056         $self->GenerateIncludes();
3057         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
3058         $self->pidl("");
3059
3060         my %needed = ();
3061
3062         foreach (@{$ndr}) {
3063                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
3064         }
3065
3066         foreach (@{$ndr}) {
3067                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
3068                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
3069                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
3070         }
3071
3072         return ($self->{res_hdr}, $self->{res});
3073 }
3074
3075 sub NeededElement($$$)
3076 {
3077         my ($e, $dir, $needed) = @_;
3078
3079         return if ($e->{TYPE} eq "EMPTY");
3080
3081         return if (ref($e->{TYPE}) eq "HASH" and
3082                        not defined($e->{TYPE}->{NAME}));
3083
3084         my ($t, $rt);
3085         if (ref($e->{TYPE}) eq "HASH") {
3086                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
3087         } else {
3088                 $t = $e->{TYPE};
3089         }
3090
3091         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
3092                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
3093         } else {
3094                 $rt = $e->{REPRESENTATION_TYPE};
3095         }
3096
3097         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
3098
3099         my @fn = ();
3100         if ($dir eq "print") {
3101                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
3102         } elsif ($dir eq "pull") {
3103                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
3104                 push (@fn, "ndr_$t\_to_$rt")
3105                         if ($rt ne $t);
3106         } elsif ($dir eq "push") {
3107                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3108                 push (@fn, "ndr_$rt\_to_$t")
3109                         if ($rt ne $t);
3110         } else {
3111                 die("invalid direction `$dir'");
3112         }
3113
3114         foreach (@fn) {
3115                 unless (defined($needed->{$_})) {
3116                         $needed->{$_} = 1;
3117                 }
3118         }
3119 }
3120
3121 sub NeededFunction($$)
3122 {
3123         my ($fn,$needed) = @_;
3124         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3125         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3126         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3127         foreach my $e (@{$fn->{ELEMENTS}}) {
3128                 $e->{PARENT} = $fn;
3129                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3130         }
3131 }
3132
3133 sub NeededType($$$)
3134 {
3135         sub NeededType($$$);
3136         my ($t,$needed,$req) = @_;
3137
3138         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3139         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3140
3141         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3142                 return unless defined($t->{ELEMENTS});
3143                 for my $e (@{$t->{ELEMENTS}}) {
3144                         $e->{PARENT} = $t;
3145                         if (has_property($e, "compression")) {
3146                                 $needed->{"compression"} = 1;
3147                         }
3148                         NeededElement($e, $req, $needed);
3149                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3150                 }
3151         }
3152 }
3153
3154 #####################################################################
3155 # work out what parse functions are needed
3156 sub NeededInterface($$)
3157 {
3158         my ($interface,$needed) = @_;
3159         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3160         foreach (reverse @{$interface->{TYPES}}) {
3161
3162                 if (has_property($_, "public")) {
3163                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3164                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3165                 }
3166
3167                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3168                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3169                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3170                 if (has_property($_, "gensize")) {
3171                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3172                 }
3173         }
3174 }
3175
3176 sub TypeFunctionName($$)
3177 {
3178         my ($prefix, $t) = @_;
3179
3180         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3181                         $t->{TYPE} eq "TYPEDEF");
3182         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3183         return "$prefix\_$t";
3184 }
3185
3186 1;