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

   1 ###################################################
   2 # Samba4 NDR parser generator for IDL structures
   3 # Copyright tridge@samba.org 2000-2003
   4 # Copyright tpot@samba.org 2001
   5 # Copyright jelmer@samba.org 2004-2006
   6 # released under the GNU GPL
   7
   8 package Parse::Pidl::Samba4::NDR::Parser;
   9
  10 require Exporter;
  11 @ISA = qw(Exporter);
  12 @EXPORT_OK = qw(check_null_pointer NeededFunction NeededElement NeededType $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($VERSION);
  24 $VERSION = '0.01';
  25
  26 # list of known types
  27 my %typefamily;
  28
  29 sub new($$) {
  30         my ($class) = @_;
  31         my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
  32         bless($self, $class);
  33 }
  34
  35 sub get_typefamily($)
  36 {
  37         my $n = shift;
  38         return $typefamily{$n};
  39 }
  40
  41 sub append_prefix($$)
  42 {
  43         my ($e, $var_name) = @_;
  44         my $pointers = 0;
  45         my $arrays = 0;
  46
  47         foreach my $l (@{$e->{LEVELS}}) {
  48                 if ($l->{TYPE} eq "POINTER") {
  49                         $pointers++;
  50                 } elsif ($l->{TYPE} eq "ARRAY") {
  51                         $arrays++;
  52                         if (($pointers == 0) and
  53                             (not $l->{IS_FIXED}) and
  54                             (not $l->{IS_INLINE})) {
  55                                 return get_value_of($var_name);
  56                         }
  57                 } elsif ($l->{TYPE} eq "DATA") {
  58                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  59                                 return get_value_of($var_name) unless ($pointers or $arrays);
  60                         }
  61                 }
  62         }
  63
  64         return $var_name;
  65 }
  66
  67 sub has_fast_array($$)
  68 {
  69         my ($e,$l) = @_;
  70
  71         return 0 if ($l->{TYPE} ne "ARRAY");
  72
  73         my $nl = GetNextLevel($e,$l);
  74         return 0 unless ($nl->{TYPE} eq "DATA");
  75         return 0 unless (hasType($nl->{DATA_TYPE}));
  76
  77         my $t = getType($nl->{DATA_TYPE});
  78
  79         # Only uint8 and string have fast array functions at the moment
  80         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  81 }
  82
  83
  84 ####################################
  85 # pidl() is our basic output routine
  86 sub pidl($$)
  87 {
  88         my ($self, $d) = @_;
  89         if ($d) {
  90                 $self->{res} .= $self->{tabs};
  91                 $self->{res} .= $d;
  92         }
  93         $self->{res} .="\n";
  94 }
  95
  96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
  97
  98 ####################################
  99 # defer() is like pidl(), but adds to
 100 # a deferred buffer which is then added to the
 101 # output buffer at the end of the structure/union/function
 102 # This is needed to cope with code that must be pushed back
 103 # to the end of a block of elements
 104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
 105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
 106
 107 sub defer($$)
 108 {
 109         my ($self, $d) = @_;
 110         if ($d) {
 111                 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
 112         }
 113 }
 114
 115 ########################################
 116 # add the deferred content to the current
 117 # output
 118 sub add_deferred($)
 119 {
 120         my ($self) = @_;
 121         $self->pidl($_) foreach (@{$self->{deferred}});
 122         $self->{deferred} = [];
 123         $self->{defer_tabs} = "";
 124 }
 125
 126 sub indent($)
 127 {
 128         my ($self) = @_;
 129         $self->{tabs} .= "\t";
 130 }
 131
 132 sub deindent($)
 133 {
 134         my ($self) = @_;
 135         $self->{tabs} = substr($self->{tabs}, 0, -1);
 136 }
 137
 138 #####################################################################
 139 # declare a function public or static, depending on its attributes
 140 sub fn_declare($$$$)
 141 {
 142         my ($self,$type,$fn,$decl) = @_;
 143
 144         if (has_property($fn, "no$type")) {
 145                 $self->pidl_hdr("$decl;");
 146                 return 0;
 147         }
 148
 149         if (has_property($fn, "public")) {
 150                 $self->pidl_hdr("$decl;");
 151                 $self->pidl("_PUBLIC_ $decl");
 152         } else {
 153                 $self->pidl("static $decl");
 154         }
 155
 156         return 1;
 157 }
 158
 159 ###################################################################
 160 # setup any special flags for an element or structure
 161 sub start_flags($$$)
 162 {
 163         my ($self, $e, $ndr) = @_;
 164         my $flags = has_property($e, "flag");
 165         if (defined $flags) {
 166                 $self->pidl("{");
 167                 $self->indent;
 168                 $self->pidl("uint32_t _flags_save_$e->{TYPE} = $ndr->flags;");
 169                 $self->pidl("ndr_set_flags(&$ndr->flags, $flags);");
 170         }
 171 }
 172
 173 ###################################################################
 174 # end any special flags for an element or structure
 175 sub end_flags($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201                 if (defined($l->{SIZE_IS})) {
 202                         $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 }
 204                 if (defined($l->{LENGTH_IS})) {
 205                         $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 206                 }
 207         } else {
 208                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 209                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 210         }
 211
 212         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 213                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 214         }
 215
 216         if ($l->{IS_VARYING}) {
 217                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 218                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 219         }
 220
 221         return $length;
 222 }
 223
 224 sub check_fully_dereferenced($$)
 225 {
 226         my ($element, $env) = @_;
 227
 228         return sub ($) {
 229                 my $origvar = shift;
 230                 my $check = 0;
 231
 232                 # Figure out the number of pointers in $ptr
 233                 my $expandedvar = $origvar;
 234                 $expandedvar =~ s/^(\**)//;
 235                 my $ptr = $1;
 236
 237                 my $var = undef;
 238                 foreach (keys %$env) {
 239                         if ($env->{$_} eq $expandedvar) {
 240                                 $var = $_;
 241                                 last;
 242                         }
 243                 }
 244
 245                 return($origvar) unless (defined($var));
 246                 my $e;
 247                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 248                         if ($_->{NAME} eq $var) {
 249                                 $e = $_;
 250                                 last;
 251                         }
 252                 }
 253
 254                 $e or die("Environment doesn't match siblings");
 255
 256                 # See if pointer at pointer level $level
 257                 # needs to be checked.
 258                 my $nump = 0;
 259                 foreach (@{$e->{LEVELS}}) {
 260                         if ($_->{TYPE} eq "POINTER") {
 261                                 $nump = $_->{POINTER_INDEX}+1;
 262                         }
 263                 }
 264                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 265                 return ($origvar);
 266         }
 267 }
 268
 269 sub check_null_pointer($$$$)
 270 {
 271         my ($element, $env, $print_fn, $return) = @_;
 272
 273         return sub ($) {
 274                 my $expandedvar = shift;
 275                 my $check = 0;
 276
 277                 # Figure out the number of pointers in $ptr
 278                 $expandedvar =~ s/^(\**)//;
 279                 my $ptr = $1;
 280
 281                 my $var = undef;
 282                 foreach (keys %$env) {
 283                         if ($env->{$_} eq $expandedvar) {
 284                                 $var = $_;
 285                                 last;
 286                         }
 287                 }
 288
 289                 if (defined($var)) {
 290                         my $e;
 291                         # lookup ptr in $e
 292                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 293                                 if ($_->{NAME} eq $var) {
 294                                         $e = $_;
 295                                         last;
 296                                 }
 297                         }
 298
 299                         $e or die("Environment doesn't match siblings");
 300
 301                         # See if pointer at pointer level $level
 302                         # needs to be checked.
 303                         foreach my $l (@{$e->{LEVELS}}) {
 304                                 if ($l->{TYPE} eq "POINTER" and
 305                                         $l->{POINTER_INDEX} == length($ptr)) {
 306                                         # No need to check ref pointers
 307                                         $check = ($l->{POINTER_TYPE} ne "ref");
 308                                         last;
 309                                 }
 310
 311                                 if ($l->{TYPE} eq "DATA") {
 312                                         warning($element, "too much dereferences for `$var'");
 313                                 }
 314                         }
 315                 } else {
 316                         warning($element, "unknown dereferenced expression `$expandedvar'");
 317                         $check = 1;
 318                 }
 319
 320                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 321         }
 322 }
 323
 324 sub ParseArrayPullGetSize($$$$$$)
 325 {
 326         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 327
 328         my $size;
 329
 330         if ($l->{IS_CONFORMANT}) {
 331                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 332         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 333                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 334         } else {
 335                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 336                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 337                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 338                         check_fully_dereferenced($e, $env));
 339         }
 340
 341         $self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
 342         my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
 343
 344         if (my $range = has_property($e, "range")) {
 345                 my ($low, $high) = split(/,/, $range, 2);
 346                 if ($low < 0) {
 347                         warning(0, "$low is invalid for the range of an array size");
 348                 }
 349                 if ($low == 0) {
 350                         $self->pidl("if ($array_size > $high) {");
 351                 } else {
 352                         $self->pidl("if ($array_size < $low || $array_size > $high) {");
 353                 }
 354                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 355                 $self->pidl("}");
 356         }
 357
 358         return $array_size;
 359 }
 360
 361 #####################################################################
 362 # parse an array - pull side
 363 sub ParseArrayPullGetLength($$$$$$;$)
 364 {
 365         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 366
 367         if (not defined($array_size)) {
 368                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 369         }
 370
 371         if (not $l->{IS_VARYING}) {
 372                 return $array_size;
 373         }
 374
 375         my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 376         $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
 377         my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
 378
 379         if (my $range = has_property($e, "range")) {
 380                 my ($low, $high) = split(/,/, $range, 2);
 381                 if ($low < 0) {
 382                         warning(0, "$low is invalid for the range of an array size");
 383                 }
 384                 if ($low == 0) {
 385                         $self->pidl("if ($array_length > $high) {");
 386                 } else {
 387                         $self->pidl("if ($array_length < $low || $array_length > $high) {");
 388                 }
 389                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 390                 $self->pidl("}");
 391         }
 392
 393         return $array_length;
 394 }
 395
 396 #####################################################################
 397 # parse an array - pull side
 398 sub ParseArrayPullHeader($$$$$$)
 399 {
 400         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 401
 402         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 403                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 404         }
 405
 406         if ($l->{IS_VARYING}) {
 407                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 408         }
 409
 410         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 411         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 412
 413         if ($array_length ne $array_size) {
 414                 $self->pidl("if ($array_length > $array_size) {");
 415                 $self->indent;
 416                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 417                 $self->deindent;
 418                 $self->pidl("}");
 419         }
 420
 421         if ($l->{IS_CONFORMANT} and (defined($l->{SIZE_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 422                 $self->defer("if ($var_name) {");
 423                 $self->defer_indent;
 424                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 425                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 426                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 427                         check_fully_dereferenced($e, $env));
 428                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 429                 $self->defer_deindent;
 430                 $self->defer("}");
 431         }
 432
 433         if ($l->{IS_VARYING} and (defined($l->{LENGTH_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 434                 $self->defer("if ($var_name) {");
 435                 $self->defer_indent;
 436                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 437                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 438                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 439                         check_fully_dereferenced($e, $env));
 440                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 441                 $self->defer_deindent;
 442                 $self->defer("}");
 443         }
 444
 445         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 446                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 447         }
 448
 449         return $array_length;
 450 }
 451
 452 sub compression_alg($$)
 453 {
 454         my ($e, $l) = @_;
 455         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 456
 457         return $alg;
 458 }
 459
 460 sub compression_clen($$$)
 461 {
 462         my ($e, $l, $env) = @_;
 463         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 464
 465         return ParseExpr($clen, $env, $e->{ORIGINAL});
 466 }
 467
 468 sub compression_dlen($$$)
 469 {
 470         my ($e,$l,$env) = @_;
 471         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 472
 473         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 474 }
 475
 476 sub ParseCompressionPushStart($$$$$)
 477 {
 478         my ($self,$e,$l,$ndr,$env) = @_;
 479         my $comndr = "$ndr\_compressed";
 480         my $alg = compression_alg($e, $l);
 481         my $dlen = compression_dlen($e, $l, $env);
 482
 483         $self->pidl("{");
 484         $self->indent;
 485         $self->pidl("struct ndr_push *$comndr;");
 486         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 487
 488         return $comndr;
 489 }
 490
 491 sub ParseCompressionPushEnd($$$$$)
 492 {
 493         my ($self,$e,$l,$ndr,$env) = @_;
 494         my $comndr = "$ndr\_compressed";
 495         my $alg = compression_alg($e, $l);
 496         my $dlen = compression_dlen($e, $l, $env);
 497
 498         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 499         $self->deindent;
 500         $self->pidl("}");
 501 }
 502
 503 sub ParseCompressionPullStart($$$$$)
 504 {
 505         my ($self,$e,$l,$ndr,$env) = @_;
 506         my $comndr = "$ndr\_compressed";
 507         my $alg = compression_alg($e, $l);
 508         my $dlen = compression_dlen($e, $l, $env);
 509
 510         $self->pidl("{");
 511         $self->indent;
 512         $self->pidl("struct ndr_pull *$comndr;");
 513         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 514
 515         return $comndr;
 516 }
 517
 518 sub ParseCompressionPullEnd($$$$$)
 519 {
 520         my ($self,$e,$l,$ndr,$env) = @_;
 521         my $comndr = "$ndr\_compressed";
 522         my $alg = compression_alg($e, $l);
 523         my $dlen = compression_dlen($e, $l, $env);
 524
 525         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 526         $self->deindent;
 527         $self->pidl("}");
 528 }
 529
 530 sub ParseSubcontextPushStart($$$$$)
 531 {
 532         my ($self,$e,$l,$ndr,$env) = @_;
 533         my $subndr = "_ndr_$e->{NAME}";
 534         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 535
 536         $self->pidl("{");
 537         $self->indent;
 538         $self->pidl("struct ndr_push *$subndr;");
 539         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 540
 541         if (defined $l->{COMPRESSION}) {
 542                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 543         }
 544
 545         return $subndr;
 546 }
 547
 548 sub ParseSubcontextPushEnd($$$$$)
 549 {
 550         my ($self,$e,$l,$ndr,$env) = @_;
 551         my $subndr = "_ndr_$e->{NAME}";
 552         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 553
 554         if (defined $l->{COMPRESSION}) {
 555                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 556         }
 557
 558         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 559         $self->deindent;
 560         $self->pidl("}");
 561 }
 562
 563 sub ParseSubcontextPullStart($$$$$)
 564 {
 565         my ($self,$e,$l,$ndr,$env) = @_;
 566         my $subndr = "_ndr_$e->{NAME}";
 567         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 568
 569         $self->pidl("{");
 570         $self->indent;
 571         $self->pidl("struct ndr_pull *$subndr;");
 572         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 573
 574         if (defined $l->{COMPRESSION}) {
 575                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 576         }
 577
 578         return $subndr;
 579 }
 580
 581 sub ParseSubcontextPullEnd($$$$$)
 582 {
 583         my ($self,$e,$l,$ndr,$env) = @_;
 584         my $subndr = "_ndr_$e->{NAME}";
 585         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 586
 587         if (defined $l->{COMPRESSION}) {
 588                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 589         }
 590
 591         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 592         $self->deindent;
 593         $self->pidl("}");
 594 }
 595
 596 sub ParseElementPushLevel
 597 {
 598         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 599
 600         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 601
 602         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 603                 $var_name = get_pointer_to($var_name);
 604         }
 605
 606         if (defined($ndr_flags)) {
 607                 if ($l->{TYPE} eq "SUBCONTEXT") {
 608                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 609                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 610                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 611                 } elsif ($l->{TYPE} eq "POINTER") {
 612                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 613                 } elsif ($l->{TYPE} eq "ARRAY") {
 614                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 615
 616                         my $nl = GetNextLevel($e, $l);
 617
 618                         # Allow speedups for arrays of scalar types
 619                         if (is_charset_array($e,$l)) {
 620                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 621                                 return;
 622                         } elsif (has_fast_array($e,$l)) {
 623                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 624                                 return;
 625                         }
 626                 } elsif ($l->{TYPE} eq "SWITCH") {
 627                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 628                 } elsif ($l->{TYPE} eq "DATA") {
 629                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 630                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 631                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 632                 }
 633         }
 634
 635         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
 636                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 637         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
 638                 my $rel_var_name = $var_name;
 639                 if ($l->{POINTER_TYPE} ne "ref") {
 640                         $self->pidl("if ($var_name) {");
 641                         $self->indent;
 642                         if ($l->{POINTER_TYPE} eq "relative") {
 643                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 644                         }
 645                         if ($l->{POINTER_TYPE} eq "relative_short") {
 646                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 647                         }
 648                 }
 649                 $var_name = get_value_of($var_name);
 650                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 651
 652                 if ($l->{POINTER_TYPE} ne "ref") {
 653                         if ($l->{POINTER_TYPE} eq "relative") {
 654                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 655                         }
 656                         $self->deindent;
 657                         $self->pidl("}");
 658                 }
 659         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 660                 not is_charset_array($e, $l)) {
 661                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 662                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 663
 664                 my $array_pointless = ($length eq "0");
 665
 666                 if ($array_pointless) {
 667                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 668                 }
 669
 670                 $var_name = get_array_element($var_name, $counter);
 671
 672                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 673                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 674                         $self->indent;
 675                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 676                         $self->deindent;
 677                         $self->pidl("}");
 678                 }
 679
 680                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 681                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 682                         $self->indent;
 683                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 684                         $self->deindent;
 685                         $self->pidl("}");
 686                 }
 687         } elsif ($l->{TYPE} eq "SWITCH") {
 688                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 689         }
 690 }
 691
 692 #####################################################################
 693 # parse scalars in a structure element
 694 sub ParseElementPush($$$$$$)
 695 {
 696         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 697         my $subndr = undef;
 698
 699         my $var_name = $env->{$e->{NAME}};
 700
 701         return if ContainsPipe($e, $e->{LEVELS}[0]);
 702
 703         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 704
 705         # Representation type is different from transmit_as
 706         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 707                 $self->pidl("{");
 708                 $self->indent;
 709                 my $transmit_name = "_transmit_$e->{NAME}";
 710                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 711                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 712                 $var_name = $transmit_name;
 713         }
 714
 715         $var_name = append_prefix($e, $var_name);
 716
 717         $self->start_flags($e, $ndr);
 718
 719         if (defined(my $value = has_property($e, "value"))) {
 720                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 721         }
 722
 723         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 724
 725         $self->end_flags($e, $ndr);
 726
 727         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 728                 $self->deindent;
 729                 $self->pidl("}");
 730         }
 731 }
 732
 733 #####################################################################
 734 # parse a pointer in a struct element or function
 735 sub ParsePtrPush($$$$$)
 736 {
 737         my ($self,$e,$l,$ndr,$var_name) = @_;
 738
 739         if ($l->{POINTER_TYPE} eq "ref") {
 740                 $self->pidl("if ($var_name == NULL) {");
 741                 $self->indent;
 742                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 743                 $self->deindent;
 744                 $self->pidl("}");
 745                 if ($l->{LEVEL} eq "EMBEDDED") {
 746                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 747                 }
 748         } elsif ($l->{POINTER_TYPE} eq "relative") {
 749                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 750         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 751                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 752         } elsif ($l->{POINTER_TYPE} eq "unique") {
 753                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 754         } elsif ($l->{POINTER_TYPE} eq "full") {
 755                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 756         } elsif ($l->{POINTER_TYPE} eq "ignore") {
 757                 # We don't want this pointer to appear on the wire at all
 758                 $self->pidl("NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, 0));");
 759         } else {
 760                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 761         }
 762 }
 763
 764 sub need_pointer_to($$$)
 765 {
 766         my ($e, $l, $scalar_only) = @_;
 767
 768         my $t;
 769         if (ref($l->{DATA_TYPE})) {
 770                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 771         } else {
 772                 $t = $l->{DATA_TYPE};
 773         }
 774
 775         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 776                 return 1 if $scalar_only;
 777         }
 778
 779         my $arrays = 0;
 780
 781         foreach my $tl (@{$e->{LEVELS}}) {
 782                 last if $l == $tl;
 783                 if ($tl->{TYPE} eq "ARRAY") {
 784                         $arrays++;
 785                 }
 786         }
 787
 788         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 789                 return 1 unless $arrays;
 790         }
 791
 792         return 0;
 793 }
 794
 795 sub ParseDataPrint($$$$$)
 796 {
 797         my ($self, $e, $l, $ndr, $var_name) = @_;
 798
 799         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 800
 801                 if (need_pointer_to($e, $l, 1)) {
 802                         $var_name = get_pointer_to($var_name);
 803                 }
 804
 805                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 806         } else {
 807                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 808         }
 809 }
 810
 811 #####################################################################
 812 # print scalars in a structure element
 813 sub ParseElementPrint($$$$$)
 814 {
 815         my($self, $e, $ndr, $var_name, $env) = @_;
 816
 817         return if (has_property($e, "noprint"));
 818         my $cur_depth = 0;
 819         my $ignore_depth = 0xFFFF;
 820
 821         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 822                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 823                 return;
 824         }
 825
 826         $var_name = append_prefix($e, $var_name);
 827
 828         if (defined(my $value = has_property($e, "value"))) {
 829                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 830         }
 831
 832         foreach my $l (@{$e->{LEVELS}}) {
 833                 $cur_depth += 1;
 834
 835                 if ($cur_depth > $ignore_depth) {
 836                         next;
 837                 }
 838
 839                 if ($l->{TYPE} eq "POINTER") {
 840                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 841                         if ($l->{POINTER_TYPE} eq "ignore") {
 842                                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 843                                 $ignore_depth = $cur_depth;
 844                                 last;
 845                         }
 846                         $self->pidl("$ndr->depth++;");
 847                         if ($l->{POINTER_TYPE} ne "ref") {
 848                                 $self->pidl("if ($var_name) {");
 849                                 $self->indent;
 850                         }
 851                         $var_name = get_value_of($var_name);
 852                 } elsif ($l->{TYPE} eq "ARRAY") {
 853                         my $length;
 854
 855                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 856                                 $var_name = get_pointer_to($var_name);
 857                         }
 858
 859                         if ($l->{IS_ZERO_TERMINATED} and not defined($l->{LENGTH_IS})) {
 860                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 861                         } else {
 862                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 863                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 864                         }
 865
 866                         if (is_charset_array($e,$l)) {
 867                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 868                                 last;
 869                         } elsif (has_fast_array($e, $l)) {
 870                                 my $nl = GetNextLevel($e, $l);
 871                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 872                                 last;
 873                         } else {
 874                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 875
 876                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 877                                 $self->pidl("$ndr->depth++;");
 878                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 879                                 $self->indent;
 880
 881                                 $var_name = get_array_element($var_name, $counter);
 882                         }
 883                 } elsif ($l->{TYPE} eq "DATA") {
 884                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 885                 } elsif ($l->{TYPE} eq "SWITCH") {
 886                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 887                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 888                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 889                 }
 890         }
 891
 892         foreach my $l (reverse @{$e->{LEVELS}}) {
 893                 $cur_depth -= 1;
 894
 895                 if ($cur_depth > $ignore_depth) {
 896                         next;
 897                 }
 898
 899                 if ($l->{TYPE} eq "POINTER") {
 900                         if ($l->{POINTER_TYPE} eq "ignore") {
 901                                 next;
 902                         }
 903
 904                         if ($l->{POINTER_TYPE} ne "ref") {
 905                                 $self->deindent;
 906                                 $self->pidl("}");
 907                         }
 908                         $self->pidl("$ndr->depth--;");
 909                 } elsif (($l->{TYPE} eq "ARRAY")
 910                         and not is_charset_array($e,$l)
 911                         and not has_fast_array($e,$l)) {
 912                         $self->deindent;
 913                         $self->pidl("}");
 914                         $self->pidl("$ndr->depth--;");
 915                 }
 916         }
 917 }
 918
 919 #####################################################################
 920 # parse scalars in a structure element - pull size
 921 sub ParseSwitchPull($$$$$$)
 922 {
 923         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 924         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 925                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 926                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 927                 check_fully_dereferenced($e, $env));
 928
 929         $var_name = get_pointer_to($var_name);
 930         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 931 }
 932
 933 #####################################################################
 934 # push switch element
 935 sub ParseSwitchPush($$$$$$)
 936 {
 937         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 938         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 939                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 940                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 941                 check_fully_dereferenced($e, $env));
 942
 943         $var_name = get_pointer_to($var_name);
 944         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 945 }
 946
 947 sub ParseDataPull($$$$$$$)
 948 {
 949         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 950
 951         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 952
 953                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 954
 955                 if (need_pointer_to($e, $l, 0)) {
 956                         $var_name = get_pointer_to($var_name);
 957                 }
 958
 959                 $var_name = get_pointer_to($var_name);
 960
 961                 if (has_property($e, "skip")) {
 962                         $self->pidl("/* [skip] '$var_name' */");
 963                 } else {
 964                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 965                 }
 966
 967                 my $pl = GetPrevLevel($e, $l);
 968
 969                 my $range = has_property($e, "range");
 970                 if ($range and $pl->{TYPE} ne "ARRAY") {
 971                         $var_name = get_value_of($var_name);
 972                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 973                         my ($low, $high) = split(/,/, $range, 2);
 974                         if ($low < 0 and not $signed) {
 975                                 warning(0, "$low is invalid for the range of an unsigned type");
 976                         }
 977                         if ($low == 0 and not $signed) {
 978                                 $self->pidl("if ($var_name > $high) {");
 979                         } else {
 980                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 981                         }
 982                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 983                         $self->pidl("}");
 984                 }
 985         } else {
 986                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 987         }
 988 }
 989
 990 sub ParseDataPush($$$$$$$)
 991 {
 992         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 993
 994         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 995
 996                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 997
 998                 # strings are passed by value rather than reference
 999                 if (need_pointer_to($e, $l, 1)) {
1000                         $var_name = get_pointer_to($var_name);
1001                 }
1002
1003                 if (has_property($e, "skip")) {
1004                         $self->pidl("/* [skip] '$var_name' */");
1005                 } else {
1006                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
1007                 }
1008         } else {
1009                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
1010         }
1011 }
1012
1013 sub CalcNdrFlags($$$)
1014 {
1015         my ($l,$primitives,$deferred) = @_;
1016
1017         my $scalars = 0;
1018         my $buffers = 0;
1019
1020         # Add NDR_SCALARS if this one is deferred
1021         # and deferreds may be pushed
1022         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
1023
1024         # Add NDR_SCALARS if this one is not deferred and
1025         # primitives may be pushed
1026         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
1027
1028         # Add NDR_BUFFERS if this one contains deferred stuff
1029         # and deferreds may be pushed
1030         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
1031
1032         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
1033         return "NDR_SCALARS" if ($scalars);
1034         return "NDR_BUFFERS" if ($buffers);
1035         return undef;
1036 }
1037
1038 sub ParseMemCtxPullFlags($$$$)
1039 {
1040         my ($self, $e, $l) = @_;
1041
1042         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1043         return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
1044
1045         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1046         return undef if has_fast_array($e, $l);
1047         return undef if is_charset_array($e, $l);
1048
1049         my $mem_flags = "0";
1050
1051         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1052                 my $nl = GetNextLevel($e, $l);
1053                 return undef if ($nl->{TYPE} eq "PIPE");
1054                 return undef if ($nl->{TYPE} eq "ARRAY");
1055                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1056
1057                 if ($l->{LEVEL} eq "TOP") {
1058                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1059                 }
1060         }
1061
1062         return $mem_flags;
1063 }
1064
1065 sub ParseMemCtxPullStart($$$$$)
1066 {
1067         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1068
1069         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1070         my $mem_c_ctx = $ptr_name;
1071         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1072
1073         return unless defined($mem_c_flags);
1074
1075         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1076         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1077 }
1078
1079 sub ParseMemCtxPullEnd($$$$)
1080 {
1081         my ($self, $e, $l, $ndr) = @_;
1082
1083         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1084         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1085
1086         return unless defined($mem_r_flags);
1087
1088         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1089 }
1090
1091 sub CheckStringTerminator($$$$$)
1092 {
1093         my ($self,$ndr,$e,$l,$length) = @_;
1094         my $nl = GetNextLevel($e, $l);
1095
1096         # Make sure last element is zero!
1097         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1098 }
1099
1100 sub ParseElementPullLevel
1101 {
1102         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1103
1104         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1105         my $array_length = undef;
1106
1107         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1108                 $var_name = get_pointer_to($var_name);
1109         }
1110
1111         # Only pull something if there's actually something to be pulled
1112         if (defined($ndr_flags)) {
1113                 if ($l->{TYPE} eq "SUBCONTEXT") {
1114                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1115                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1116                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1117                 } elsif ($l->{TYPE} eq "ARRAY") {
1118                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1119                         $array_length = $length;
1120
1121                         my $nl = GetNextLevel($e, $l);
1122
1123                         if (is_charset_array($e,$l)) {
1124                                 if ($l->{IS_ZERO_TERMINATED}) {
1125                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1126                                 }
1127                                 if ($l->{IS_TO_NULL}) {
1128                                         $self->pidl("NDR_CHECK(ndr_pull_charset_to_null($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1129                                 } else {
1130                                         $self->pidl("NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1131                                 }
1132                                 return;
1133                         } elsif (has_fast_array($e, $l)) {
1134                                 if ($l->{IS_ZERO_TERMINATED}) {
1135                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1136                                 }
1137                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1138                                 return;
1139                         }
1140                 } elsif ($l->{TYPE} eq "POINTER") {
1141                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1142                 } elsif ($l->{TYPE} eq "SWITCH") {
1143                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1144                 } elsif ($l->{TYPE} eq "DATA") {
1145                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1146                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1147                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1148                 }
1149         }
1150
1151         # add additional constructions
1152         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1153                 $self->pidl("/* [ignore] '$e->{NAME}' */");
1154         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1155                 if ($l->{POINTER_TYPE} ne "ref") {
1156                         $self->pidl("if ($var_name) {");
1157                         $self->indent;
1158
1159                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1160                                 if ($l->{POINTER_TYPE} eq "relative") {
1161                                         $self->pidl("uint32_t _relative_save_offset;");
1162                                         $self->pidl("_relative_save_offset = $ndr->offset;");
1163                                 }
1164                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1165                         }
1166                 }
1167
1168                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1169
1170                 $var_name = get_value_of($var_name);
1171                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1172
1173                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1174
1175                 if ($l->{POINTER_TYPE} ne "ref") {
1176                         if ($l->{POINTER_TYPE} eq "relative") {
1177                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1178                                 $self->indent;
1179                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1180                                 $self->deindent;
1181                                 $self->pidl("}");
1182                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1183                         }
1184                         $self->deindent;
1185                         $self->pidl("}");
1186                 }
1187         } elsif ($l->{TYPE} eq "ARRAY" and
1188                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1189                 my $length = $array_length;
1190                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1191                 my $array_name = $var_name;
1192
1193                 if (not defined($length)) {
1194                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1195                 }
1196
1197                 $var_name = get_array_element($var_name, $counter);
1198
1199                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1200
1201                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1202                         my $nl = GetNextLevel($e,$l);
1203
1204                         if ($l->{IS_ZERO_TERMINATED}) {
1205                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1206                         }
1207
1208                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1209                         $self->indent;
1210                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1211                         $self->deindent;
1212                         $self->pidl("}");
1213                 }
1214
1215                 if ($deferred and ContainsDeferred($e, $l)) {
1216                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1217                         $self->indent;
1218                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1219                         $self->deindent;
1220                         $self->pidl("}");
1221                 }
1222
1223                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1224
1225         } elsif ($l->{TYPE} eq "SWITCH") {
1226                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1227         }
1228 }
1229
1230 #####################################################################
1231 # parse scalars in a structure element - pull size
1232 sub ParseElementPull($$$$$$)
1233 {
1234         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1235
1236         my $var_name = $env->{$e->{NAME}};
1237         my $represent_name;
1238         my $transmit_name;
1239
1240         return if ContainsPipe($e, $e->{LEVELS}[0]);
1241
1242         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1243
1244         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1245                 $self->pidl("{");
1246                 $self->indent;
1247                 $represent_name = $var_name;
1248                 $transmit_name = "_transmit_$e->{NAME}";
1249                 $var_name = $transmit_name;
1250                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1251         }
1252
1253         $var_name = append_prefix($e, $var_name);
1254
1255         $self->start_flags($e, $ndr);
1256
1257         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1258
1259         $self->end_flags($e, $ndr);
1260
1261         # Representation type is different from transmit_as
1262         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1263                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1264                 $self->deindent;
1265                 $self->pidl("}");
1266         }
1267 }
1268
1269 #####################################################################
1270 # parse a pointer in a struct element or function
1271 sub ParsePtrPull($$$$$)
1272 {
1273         my($self, $e,$l,$ndr,$var_name) = @_;
1274
1275         my $nl = GetNextLevel($e, $l);
1276         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1277         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1278                                                  ($nl->{DATA_TYPE} eq "string"));
1279
1280         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1281
1282                 if (!$next_is_array and !$next_is_string) {
1283                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1284                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1285                         $self->pidl("}");
1286                 }
1287
1288                 return;
1289         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1290                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1291         } elsif (($l->{POINTER_TYPE} eq "unique") or
1292                  ($l->{POINTER_TYPE} eq "relative") or
1293                  ($l->{POINTER_TYPE} eq "full")) {
1294                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1295         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1296                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1297         } elsif ($l->{POINTER_TYPE} eq "ignore") {
1298                 #We want to consume the pointer bytes, but ignore the pointer value
1299                 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1300                 $self->pidl("_ptr_$e->{NAME} = 0;");
1301         } else {
1302                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1303         }
1304
1305         $self->pidl("if (_ptr_$e->{NAME}) {");
1306         $self->indent;
1307
1308         if ($l->{POINTER_TYPE} eq "ignore") {
1309                 # Don't do anything, we don't want to do the
1310                 # allocation, as we forced it to NULL just above, and
1311                 # we may not know the declared type anyway.
1312         } else {
1313                 # Don't do this for arrays, they're allocated at the actual level
1314                 # of the array
1315                 unless ($next_is_array or $next_is_string) {
1316                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1317                 } else {
1318                        # FIXME: Yes, this is nasty.
1319                        # We allocate an array twice
1320                        # - once just to indicate that it's there,
1321                        # - then the real allocation...
1322                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1323                 }
1324         }
1325
1326         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1327         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1328                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1329         }
1330         $self->deindent;
1331         $self->pidl("} else {");
1332         $self->pidl("\t$var_name = NULL;");
1333         $self->pidl("}");
1334 }
1335
1336 sub ParseStructPushPrimitives($$$$$)
1337 {
1338         my ($self, $struct, $ndr, $varname, $env) = @_;
1339
1340         # see if the structure contains a conformant array. If it
1341         # does, then it must be the last element of the structure, and
1342         # we need to push the conformant length early, as it fits on
1343         # the wire before the structure (and even before the structure
1344         # alignment)
1345         if (defined($struct->{SURROUNDING_ELEMENT})) {
1346                 my $e = $struct->{SURROUNDING_ELEMENT};
1347
1348                 if (defined($e->{LEVELS}[0]) and
1349                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1350                         my $size;
1351
1352                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1353                                 if (has_property($e, "charset")) {
1354                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1355                                 } else {
1356                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1357                                 }
1358                                 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1359                                         $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1360                                 }
1361                         } else {
1362                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1363                         }
1364
1365                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1366                 } else {
1367                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1368                 }
1369         }
1370
1371         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1372
1373         if (defined($struct->{PROPERTIES}{relative_base})) {
1374                 # set the current offset as base for relative pointers
1375                 # and store it based on the toplevel struct/union
1376                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1377         }
1378
1379         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1380
1381         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1382 }
1383
1384 sub ParseStructPushDeferred($$$$)
1385 {
1386         my ($self, $struct, $ndr, $varname, $env) = @_;
1387         if (defined($struct->{PROPERTIES}{relative_base})) {
1388                 # retrieve the current offset as base for relative pointers
1389                 # based on the toplevel struct/union
1390                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1391         }
1392         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1393 }
1394
1395 #####################################################################
1396 # parse a struct
1397 sub ParseStructPush($$$$)
1398 {
1399         my ($self, $struct, $ndr, $varname) = @_;
1400
1401         return unless defined($struct->{ELEMENTS});
1402
1403         my $env = GenerateStructEnv($struct, $varname);
1404
1405         EnvSubstituteValue($env, $struct);
1406
1407         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1408
1409         $self->start_flags($struct, $ndr);
1410
1411         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1412         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1413         $self->indent;
1414         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1415         $self->deindent;
1416         $self->pidl("}");
1417
1418         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1419         $self->indent;
1420         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1421         $self->deindent;
1422         $self->pidl("}");
1423
1424         $self->end_flags($struct, $ndr);
1425 }
1426
1427 #####################################################################
1428 # generate a push function for an enum
1429 sub ParseEnumPush($$$$)
1430 {
1431         my($self,$enum,$ndr,$varname) = @_;
1432         my($type_fn) = $enum->{BASE_TYPE};
1433
1434         $self->start_flags($enum, $ndr);
1435         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1436         $self->end_flags($enum, $ndr);
1437 }
1438
1439 #####################################################################
1440 # generate a pull function for an enum
1441 sub ParseEnumPull($$$$)
1442 {
1443         my($self,$enum,$ndr,$varname) = @_;
1444         my($type_fn) = $enum->{BASE_TYPE};
1445         my($type_v_decl) = mapTypeName($type_fn);
1446
1447         $self->pidl("$type_v_decl v;");
1448         $self->start_flags($enum, $ndr);
1449         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1450         $self->pidl("*$varname = v;");
1451
1452         $self->end_flags($enum, $ndr);
1453 }
1454
1455 #####################################################################
1456 # generate a print function for an enum
1457 sub ParseEnumPrint($$$$$)
1458 {
1459         my($self,$enum,$ndr,$name,$varname) = @_;
1460
1461         $self->pidl("const char *val = NULL;");
1462         $self->pidl("");
1463
1464         $self->start_flags($enum, $ndr);
1465
1466         $self->pidl("switch ($varname) {");
1467         $self->indent;
1468         my $els = \@{$enum->{ELEMENTS}};
1469         foreach my $i (0 .. $#{$els}) {
1470                 my $e = ${$els}[$i];
1471                 chomp $e;
1472                 if ($e =~ /^(.*)=/) {
1473                         $e = $1;
1474                 }
1475                 $self->pidl("case $e: val = \"$e\"; break;");
1476         }
1477
1478         $self->deindent;
1479         $self->pidl("}");
1480
1481         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1482
1483         $self->end_flags($enum, $ndr);
1484 }
1485
1486 sub DeclEnum($$$$)
1487 {
1488         my ($e,$t,$name,$varname) = @_;
1489         return "enum $name " .
1490                 ($t eq "pull"?"*":"") . $varname;
1491 }
1492
1493 $typefamily{ENUM} = {
1494         DECL => \&DeclEnum,
1495         PUSH_FN_BODY => \&ParseEnumPush,
1496         PULL_FN_BODY => \&ParseEnumPull,
1497         PRINT_FN_BODY => \&ParseEnumPrint,
1498 };
1499
1500 #####################################################################
1501 # generate a push function for a bitmap
1502 sub ParseBitmapPush($$$$)
1503 {
1504         my($self,$bitmap,$ndr,$varname) = @_;
1505         my($type_fn) = $bitmap->{BASE_TYPE};
1506
1507         $self->start_flags($bitmap, $ndr);
1508
1509         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1510
1511         $self->end_flags($bitmap, $ndr);
1512 }
1513
1514 #####################################################################
1515 # generate a pull function for an bitmap
1516 sub ParseBitmapPull($$$$)
1517 {
1518         my($self,$bitmap,$ndr,$varname) = @_;
1519         my $type_fn = $bitmap->{BASE_TYPE};
1520         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1521
1522         $self->pidl("$type_decl v;");
1523         $self->start_flags($bitmap, $ndr);
1524         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1525         $self->pidl("*$varname = v;");
1526
1527         $self->end_flags($bitmap, $ndr);
1528 }
1529
1530 #####################################################################
1531 # generate a print function for an bitmap
1532 sub ParseBitmapPrintElement($$$$$$)
1533 {
1534         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1535         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1536         my($type_fn) = $bitmap->{BASE_TYPE};
1537         my($flag);
1538
1539         if ($e =~ /^(\w+) .*$/) {
1540                 $flag = "$1";
1541         } else {
1542                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1543         }
1544
1545         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1546 }
1547
1548 #####################################################################
1549 # generate a print function for an bitmap
1550 sub ParseBitmapPrint($$$$$)
1551 {
1552         my($self,$bitmap,$ndr,$name,$varname) = @_;
1553         my($type_decl) = mapTypeName($bitmap->{TYPE});
1554         my($type_fn) = $bitmap->{BASE_TYPE};
1555
1556         $self->start_flags($bitmap, $ndr);
1557
1558         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1559
1560         $self->pidl("$ndr->depth++;");
1561         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1562                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1563         }
1564         $self->pidl("$ndr->depth--;");
1565
1566         $self->end_flags($bitmap, $ndr);
1567 }
1568
1569 sub DeclBitmap($$$$)
1570 {
1571         my ($e,$t,$name,$varname) = @_;
1572         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1573                 ($t eq "pull"?" *":" ") . $varname;
1574 }
1575
1576 $typefamily{BITMAP} = {
1577         DECL => \&DeclBitmap,
1578         PUSH_FN_BODY => \&ParseBitmapPush,
1579         PULL_FN_BODY => \&ParseBitmapPull,
1580         PRINT_FN_BODY => \&ParseBitmapPrint,
1581 };
1582
1583 #####################################################################
1584 # generate a struct print function
1585 sub ParseStructPrint($$$$$)
1586 {
1587         my($self,$struct,$ndr,$name,$varname) = @_;
1588
1589         return unless defined $struct->{ELEMENTS};
1590
1591         my $env = GenerateStructEnv($struct, $varname);
1592
1593         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1594
1595         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1596         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1597
1598         $self->start_flags($struct, $ndr);
1599
1600         $self->pidl("$ndr->depth++;");
1601
1602         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1603                 foreach (@{$struct->{ELEMENTS}});
1604         $self->pidl("$ndr->depth--;");
1605
1606         $self->end_flags($struct, $ndr);
1607 }
1608
1609 sub DeclarePtrVariables($$)
1610 {
1611         my ($self,$e) = @_;
1612         foreach my $l (@{$e->{LEVELS}}) {
1613                 my $size = 32;
1614                 if ($l->{TYPE} eq "POINTER" and
1615                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1616                         if ($l->{POINTER_TYPE} eq "relative_short") {
1617                                 $size = 16;
1618                         }
1619                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1620                         last;
1621                 }
1622         }
1623 }
1624
1625 sub DeclareArrayVariables($$;$)
1626 {
1627         my ($self,$e,$pull) = @_;
1628
1629         foreach my $l (@{$e->{LEVELS}}) {
1630                 next if ($l->{TYPE} ne "ARRAY");
1631                 if (defined($pull)) {
1632                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1633                         if ($l->{IS_VARYING}) {
1634                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1635                         }
1636                 }
1637                 next if has_fast_array($e,$l);
1638                 next if is_charset_array($e,$l);
1639                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1640         }
1641 }
1642
1643 sub DeclareArrayVariablesNoZero($$$)
1644 {
1645         my ($self,$e,$env) = @_;
1646
1647         foreach my $l (@{$e->{LEVELS}}) {
1648                 next if ($l->{TYPE} ne "ARRAY");
1649                 next if has_fast_array($e,$l);
1650                 next if is_charset_array($e,$l);
1651                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1652                 if ($length eq "0") {
1653                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1654                 } else {
1655                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1656                 }
1657         }
1658 }
1659
1660 sub DeclareMemCtxVariables($$)
1661 {
1662         my ($self,$e) = @_;
1663         foreach my $l (@{$e->{LEVELS}}) {
1664                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1665
1666                 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1667                         last;
1668                 }
1669
1670                 if (defined($mem_flags)) {
1671                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1672                 }
1673         }
1674 }
1675
1676 sub ParseStructPullPrimitives($$$$$)
1677 {
1678         my($self,$struct,$ndr,$varname,$env) = @_;
1679
1680         if (defined $struct->{SURROUNDING_ELEMENT}) {
1681                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1682         }
1683
1684         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1685
1686         if (defined($struct->{PROPERTIES}{relative_base})) {
1687                 # set the current offset as base for relative pointers
1688                 # and store it based on the toplevel struct/union
1689                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1690         }
1691
1692         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1693
1694         $self->add_deferred();
1695
1696         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1697 }
1698
1699 sub ParseStructPullDeferred($$$$$)
1700 {
1701         my ($self,$struct,$ndr,$varname,$env) = @_;
1702
1703         if (defined($struct->{PROPERTIES}{relative_base})) {
1704                 # retrieve the current offset as base for relative pointers
1705                 # based on the toplevel struct/union
1706                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1707         }
1708         foreach my $e (@{$struct->{ELEMENTS}}) {
1709                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1710         }
1711
1712         $self->add_deferred();
1713 }
1714
1715 #####################################################################
1716 # parse a struct - pull side
1717 sub ParseStructPull($$$$)
1718 {
1719         my($self,$struct,$ndr,$varname) = @_;
1720
1721         return unless defined $struct->{ELEMENTS};
1722
1723         # declare any internal pointers we need
1724         foreach my $e (@{$struct->{ELEMENTS}}) {
1725                 $self->DeclarePtrVariables($e);
1726                 $self->DeclareArrayVariables($e, "pull");
1727                 $self->DeclareMemCtxVariables($e);
1728         }
1729
1730         $self->start_flags($struct, $ndr);
1731
1732         my $env = GenerateStructEnv($struct, $varname);
1733
1734         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1735         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1736         $self->indent;
1737         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1738         $self->deindent;
1739         $self->pidl("}");
1740         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1741         $self->indent;
1742         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1743         $self->deindent;
1744         $self->pidl("}");
1745
1746         $self->end_flags($struct, $ndr);
1747 }
1748
1749 #####################################################################
1750 # calculate size of ndr struct
1751 sub ParseStructNdrSize($$$$)
1752 {
1753         my ($self,$t, $name, $varname) = @_;
1754         my $sizevar;
1755
1756         if (my $flags = has_property($t, "flag")) {
1757                 $self->pidl("flags |= $flags;");
1758         }
1759         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1760 }
1761
1762 sub DeclStruct($$$$)
1763 {
1764         my ($e,$t,$name,$varname) = @_;
1765         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1766 }
1767
1768 sub ArgsStructNdrSize($$$)
1769 {
1770         my ($d, $name, $varname) = @_;
1771         return "const struct $name *$varname, int flags";
1772 }
1773
1774 $typefamily{STRUCT} = {
1775         PUSH_FN_BODY => \&ParseStructPush,
1776         DECL => \&DeclStruct,
1777         PULL_FN_BODY => \&ParseStructPull,
1778         PRINT_FN_BODY => \&ParseStructPrint,
1779         SIZE_FN_BODY => \&ParseStructNdrSize,
1780         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1781 };
1782
1783 #####################################################################
1784 # calculate size of ndr struct
1785 sub ParseUnionNdrSize($$$)
1786 {
1787         my ($self, $t, $name, $varname) = @_;
1788         my $sizevar;
1789
1790         if (my $flags = has_property($t, "flag")) {
1791                 $self->pidl("flags |= $flags;");
1792         }
1793
1794         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1795 }
1796
1797 sub ParseUnionPushPrimitives($$$$)
1798 {
1799         my ($self, $e, $ndr ,$varname) = @_;
1800
1801         my $have_default = 0;
1802
1803         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1804
1805         if (defined($e->{SWITCH_TYPE})) {
1806                 if (defined($e->{ALIGN})) {
1807                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1808                 }
1809
1810                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1811         }
1812
1813         if (defined($e->{ALIGN})) {
1814                 if ($e->{IS_MS_UNION}) {
1815                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1816                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1817                 } else {
1818                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1819                 }
1820         }
1821
1822         $self->pidl("switch (level) {");
1823         $self->indent;
1824         foreach my $el (@{$e->{ELEMENTS}}) {
1825                 if ($el->{CASE} eq "default") {
1826                         $have_default = 1;
1827                 }
1828                 $self->pidl("$el->{CASE}: {");
1829
1830                 if ($el->{TYPE} ne "EMPTY") {
1831                         $self->indent;
1832                         if (defined($e->{PROPERTIES}{relative_base})) {
1833                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1834                                 # set the current offset as base for relative pointers
1835                                 # and store it based on the toplevel struct/union
1836                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1837                         }
1838                         $self->DeclareArrayVariables($el);
1839                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1840                         $self->deindent;
1841                 }
1842                 $self->pidl("break; }");
1843                 $self->pidl("");
1844         }
1845         if (! $have_default) {
1846                 $self->pidl("default:");
1847                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1848         }
1849         $self->deindent;
1850         $self->pidl("}");
1851 }
1852
1853 sub ParseUnionPushDeferred($$$$)
1854 {
1855         my ($self,$e,$ndr,$varname) = @_;
1856
1857         my $have_default = 0;
1858
1859         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1860         if (defined($e->{PROPERTIES}{relative_base})) {
1861                 # retrieve the current offset as base for relative pointers
1862                 # based on the toplevel struct/union
1863                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1864         }
1865         $self->pidl("switch (level) {");
1866         $self->indent;
1867         foreach my $el (@{$e->{ELEMENTS}}) {
1868                 if ($el->{CASE} eq "default") {
1869                         $have_default = 1;
1870                 }
1871
1872                 $self->pidl("$el->{CASE}:");
1873                 if ($el->{TYPE} ne "EMPTY") {
1874                         $self->indent;
1875                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1876                         $self->deindent;
1877                 }
1878                 $self->pidl("break;");
1879                 $self->pidl("");
1880         }
1881         if (! $have_default) {
1882                 $self->pidl("default:");
1883                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1884         }
1885         $self->deindent;
1886         $self->pidl("}");
1887 }
1888
1889 #####################################################################
1890 # parse a union - push side
1891 sub ParseUnionPush($$$$)
1892 {
1893         my ($self,$e,$ndr,$varname) = @_;
1894         my $have_default = 0;
1895
1896         $self->start_flags($e, $ndr);
1897
1898         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1899         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1900         $self->indent;
1901         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1902         $self->deindent;
1903         $self->pidl("}");
1904         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1905         $self->indent;
1906         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1907         $self->deindent;
1908         $self->pidl("}");
1909         $self->end_flags($e, $ndr);
1910 }
1911
1912 #####################################################################
1913 # print a union
1914 sub ParseUnionPrint($$$$$)
1915 {
1916         my ($self,$e,$ndr,$name,$varname) = @_;
1917         my $have_default = 0;
1918
1919         $self->pidl("uint32_t level;");
1920         foreach my $el (@{$e->{ELEMENTS}}) {
1921                 $self->DeclareArrayVariables($el);
1922         }
1923
1924         $self->start_flags($e, $ndr);
1925
1926         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1927
1928         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1929
1930         $self->pidl("switch (level) {");
1931         $self->indent;
1932         foreach my $el (@{$e->{ELEMENTS}}) {
1933                 if ($el->{CASE} eq "default") {
1934                         $have_default = 1;
1935                 }
1936                 $self->pidl("$el->{CASE}:");
1937                 if ($el->{TYPE} ne "EMPTY") {
1938                         $self->indent;
1939                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1940                         $self->deindent;
1941                 }
1942                 $self->pidl("break;");
1943                 $self->pidl("");
1944         }
1945         if (! $have_default) {
1946                 $self->pidl("default:");
1947                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1948         }
1949         $self->deindent;
1950         $self->pidl("}");
1951
1952         $self->end_flags($e, $ndr);
1953 }
1954
1955 sub ParseUnionPullPrimitives($$$$$)
1956 {
1957         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1958         my $have_default = 0;
1959
1960
1961         if (defined($switch_type)) {
1962                 if (defined($e->{ALIGN})) {
1963                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1964                 }
1965
1966                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1967                 $self->pidl("if (_level != level) {");
1968                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1969                 $self->pidl("}");
1970         }
1971
1972         if (defined($e->{ALIGN})) {
1973                 if ($e->{IS_MS_UNION}) {
1974                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1975                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1976                 } else {
1977                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1978                 }
1979         }
1980
1981         $self->pidl("switch (level) {");
1982         $self->indent;
1983         foreach my $el (@{$e->{ELEMENTS}}) {
1984                 if ($el->{CASE} eq "default") {
1985                         $have_default = 1;
1986                 }
1987                 $self->pidl("$el->{CASE}: {");
1988
1989                 if ($el->{TYPE} ne "EMPTY") {
1990                         $self->indent;
1991                         if (defined($e->{PROPERTIES}{relative_base})) {
1992                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1993                                 # set the current offset as base for relative pointers
1994                                 # and store it based on the toplevel struct/union
1995                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1996                         }
1997                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1998                         $self->deindent;
1999                 }
2000                 $self->pidl("break; }");
2001                 $self->pidl("");
2002         }
2003         if (! $have_default) {
2004                 $self->pidl("default:");
2005                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2006         }
2007         $self->deindent;
2008         $self->pidl("}");
2009 }
2010
2011 sub ParseUnionPullDeferred($$$$)
2012 {
2013         my ($self,$e,$ndr,$varname) = @_;
2014         my $have_default = 0;
2015
2016         if (defined($e->{PROPERTIES}{relative_base})) {
2017                 # retrieve the current offset as base for relative pointers
2018                 # based on the toplevel struct/union
2019                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
2020         }
2021         $self->pidl("switch (level) {");
2022         $self->indent;
2023         foreach my $el (@{$e->{ELEMENTS}}) {
2024                 if ($el->{CASE} eq "default") {
2025                         $have_default = 1;
2026                 }
2027
2028                 $self->pidl("$el->{CASE}:");
2029                 if ($el->{TYPE} ne "EMPTY") {
2030                         $self->indent;
2031                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
2032                         $self->deindent;
2033                 }
2034                 $self->pidl("break;");
2035                 $self->pidl("");
2036         }
2037         if (! $have_default) {
2038                 $self->pidl("default:");
2039                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2040         }
2041         $self->deindent;
2042         $self->pidl("}");
2043
2044
2045 }
2046
2047 #####################################################################
2048 # parse a union - pull side
2049 sub ParseUnionPull($$$$)
2050 {
2051         my ($self,$e,$ndr,$varname) = @_;
2052         my $switch_type = $e->{SWITCH_TYPE};
2053
2054         $self->pidl("uint32_t level;");
2055         if (defined($switch_type)) {
2056                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2057                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2058                 }
2059                 $self->pidl(mapTypeName($switch_type) . " _level;");
2060         }
2061
2062         my %double_cases = ();
2063         foreach my $el (@{$e->{ELEMENTS}}) {
2064                 next if ($el->{TYPE} eq "EMPTY");
2065                 next if ($double_cases{"$el->{NAME}"});
2066                 $self->DeclareMemCtxVariables($el);
2067                 $self->DeclarePtrVariables($el);
2068                 $self->DeclareArrayVariables($el, "pull");
2069                 $double_cases{"$el->{NAME}"} = 1;
2070         }
2071
2072         $self->start_flags($e, $ndr);
2073
2074         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2075
2076         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2077         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2078         $self->indent;
2079         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2080         $self->deindent;
2081         $self->pidl("}");
2082
2083         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2084         $self->indent;
2085         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2086         $self->deindent;
2087         $self->pidl("}");
2088
2089         $self->add_deferred();
2090
2091         $self->end_flags($e, $ndr);
2092 }
2093
2094 sub DeclUnion($$$$)
2095 {
2096         my ($e,$t,$name,$varname) = @_;
2097         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2098 }
2099
2100 sub ArgsUnionNdrSize($$)
2101 {
2102         my ($d,$name) = @_;
2103         return "const union $name *r, uint32_t level, int flags";
2104 }
2105
2106 $typefamily{UNION} = {
2107         PUSH_FN_BODY => \&ParseUnionPush,
2108         DECL => \&DeclUnion,
2109         PULL_FN_BODY => \&ParseUnionPull,
2110         PRINT_FN_BODY => \&ParseUnionPrint,
2111         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2112         SIZE_FN_BODY => \&ParseUnionNdrSize,
2113 };
2114
2115 #####################################################################
2116 # parse a typedef - push side
2117 sub ParseTypedefPush($$$$)
2118 {
2119         my($self,$e,$ndr,$varname) = @_;
2120
2121         my $env;
2122
2123         $env->{$e->{NAME}} = $varname;
2124
2125         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2126 }
2127
2128 #####################################################################
2129 # parse a typedef - pull side
2130 sub ParseTypedefPull($$$$)
2131 {
2132         my($self,$e,$ndr,$varname) = @_;
2133
2134         my $env;
2135
2136         $env->{$e->{NAME}} = $varname;
2137
2138         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2139 }
2140
2141 #####################################################################
2142 # parse a typedef - print side
2143 sub ParseTypedefPrint($$$$$)
2144 {
2145         my($self,$e,$ndr,$name,$varname) = @_;
2146
2147         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2148 }
2149
2150 #####################################################################
2151 ## calculate the size of a structure
2152 sub ParseTypedefNdrSize($$$$)
2153 {
2154         my($self,$t,$name,$varname) = @_;
2155
2156         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2157 }
2158
2159 sub DeclTypedef($$$$)
2160 {
2161         my ($e, $t, $name, $varname) = @_;
2162
2163         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2164 }
2165
2166 sub ArgsTypedefNdrSize($$$)
2167 {
2168         my ($d, $name, $varname) = @_;
2169         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2170 }
2171
2172 $typefamily{TYPEDEF} = {
2173         PUSH_FN_BODY => \&ParseTypedefPush,
2174         DECL => \&DeclTypedef,
2175         PULL_FN_BODY => \&ParseTypedefPull,
2176         PRINT_FN_BODY => \&ParseTypedefPrint,
2177         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2178         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2179 };
2180
2181 sub ParsePipePushChunk($$)
2182 {
2183         my ($self, $t) = @_;
2184
2185         my $pipe = $t;
2186         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2187         my $struct = $pipe->{DATA};
2188
2189         my $name = "$struct->{NAME}";
2190         my $ndr = "ndr";
2191         my $varname = "r";
2192
2193         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2194
2195         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2196
2197         return if has_property($t, "nopush");
2198
2199         $self->pidl("{");
2200         $self->indent;
2201
2202         $self->ParseStructPush($struct, $ndr, $varname);
2203         $self->pidl("");
2204
2205         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2206         $self->pidl("");
2207
2208         $self->pidl("return NDR_ERR_SUCCESS;");
2209         $self->deindent;
2210         $self->pidl("}");
2211         $self->pidl("");
2212 }
2213
2214 sub ParsePipePullChunk($$)
2215 {
2216         my ($self, $t) = @_;
2217
2218         my $pipe = $t;
2219         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2220         my $struct = $pipe->{DATA};
2221
2222         my $name = "$struct->{NAME}";
2223         my $ndr = "ndr";
2224         my $varname = "r";
2225
2226         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2227
2228         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2229
2230         return if has_property($struct, "nopull");
2231
2232         $self->pidl("{");
2233         $self->indent;
2234
2235         $self->ParseStructPull($struct, $ndr, $varname);
2236         $self->pidl("");
2237
2238         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2239         $self->pidl("");
2240
2241         $self->pidl("return NDR_ERR_SUCCESS;");
2242         $self->deindent;
2243         $self->pidl("}");
2244         $self->pidl("");
2245 }
2246
2247 sub ParsePipePrintChunk($$)
2248 {
2249         my ($self, $t) = @_;
2250
2251         my $pipe = $t;
2252         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2253         my $struct = $pipe->{DATA};
2254
2255         my $name = "$struct->{NAME}";
2256         my $ndr = "ndr";
2257         my $varname = "r";
2258
2259         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2260
2261         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2262
2263         return if (has_property($t, "noprint"));
2264
2265         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2266         $self->pidl("{");
2267         $self->indent;
2268         $self->ParseTypePrint($struct, $ndr, $varname);
2269         $self->deindent;
2270         $self->pidl("}");
2271         $self->pidl("");
2272 }
2273
2274 #####################################################################
2275 # parse a function - print side
2276 sub ParseFunctionPrint($$)
2277 {
2278         my($self, $fn) = @_;
2279         my $ndr = "ndr";
2280
2281         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2282
2283         return if has_property($fn, "noprint");
2284
2285         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2286         $self->pidl("{");
2287         $self->indent;
2288
2289         foreach my $e (@{$fn->{ELEMENTS}}) {
2290                 $self->DeclareArrayVariables($e);
2291         }
2292
2293         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2294         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2295         $self->pidl("$ndr->depth++;");
2296
2297         $self->pidl("if (flags & NDR_SET_VALUES) {");
2298         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2299         $self->pidl("}");
2300
2301         $self->pidl("if (flags & NDR_IN) {");
2302         $self->indent;
2303         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2304         $self->pidl("$ndr->depth++;");
2305
2306         my $env = GenerateFunctionInEnv($fn);
2307
2308         foreach my $e (@{$fn->{ELEMENTS}}) {
2309                 if (grep(/in/,@{$e->{DIRECTION}})) {
2310                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2311                 }
2312         }
2313         $self->pidl("$ndr->depth--;");
2314         $self->deindent;
2315         $self->pidl("}");
2316
2317         $self->pidl("if (flags & NDR_OUT) {");
2318         $self->indent;
2319         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2320         $self->pidl("$ndr->depth++;");
2321
2322         $env = GenerateFunctionOutEnv($fn);
2323         foreach my $e (@{$fn->{ELEMENTS}}) {
2324                 if (grep(/out/,@{$e->{DIRECTION}})) {
2325                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2326                 }
2327         }
2328         if ($fn->{RETURN_TYPE}) {
2329                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2330         }
2331         $self->pidl("$ndr->depth--;");
2332         $self->deindent;
2333         $self->pidl("}");
2334
2335         $self->pidl("$ndr->depth--;");
2336         $self->deindent;
2337         $self->pidl("}");
2338         $self->pidl("");
2339 }
2340
2341 #####################################################################
2342 # parse a function
2343 sub ParseFunctionPush($$)
2344 {
2345         my($self, $fn) = @_;
2346         my $ndr = "ndr";
2347
2348         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2349
2350         return if has_property($fn, "nopush");
2351
2352         $self->pidl("{");
2353         $self->indent;
2354
2355         foreach my $e (@{$fn->{ELEMENTS}}) {
2356                 $self->DeclareArrayVariables($e);
2357         }
2358
2359         $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2360
2361         $self->pidl("if (flags & NDR_IN) {");
2362         $self->indent;
2363
2364         my $env = GenerateFunctionInEnv($fn);
2365
2366         EnvSubstituteValue($env, $fn);
2367
2368         foreach my $e (@{$fn->{ELEMENTS}}) {
2369                 if (grep(/in/,@{$e->{DIRECTION}})) {
2370                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2371                 }
2372         }
2373
2374         $self->deindent;
2375         $self->pidl("}");
2376
2377         $self->pidl("if (flags & NDR_OUT) {");
2378         $self->indent;
2379
2380         $env = GenerateFunctionOutEnv($fn);
2381         foreach my $e (@{$fn->{ELEMENTS}}) {
2382                 if (grep(/out/,@{$e->{DIRECTION}})) {
2383                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2384                 }
2385         }
2386
2387         if ($fn->{RETURN_TYPE}) {
2388                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2389         }
2390
2391         $self->deindent;
2392         $self->pidl("}");
2393         $self->pidl("return NDR_ERR_SUCCESS;");
2394         $self->deindent;
2395         $self->pidl("}");
2396         $self->pidl("");
2397 }
2398
2399 sub AllocateArrayLevel($$$$$$)
2400 {
2401         my ($self,$e,$l,$ndr,$var,$size) = @_;
2402
2403         my $pl = GetPrevLevel($e, $l);
2404         if (defined($pl) and
2405             $pl->{TYPE} eq "POINTER" and
2406             $pl->{POINTER_TYPE} eq "ref"
2407             and not $l->{IS_ZERO_TERMINATED}) {
2408                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2409                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2410                 $self->pidl("}");
2411                 if (grep(/in/,@{$e->{DIRECTION}}) and
2412                     grep(/out/,@{$e->{DIRECTION}})) {
2413                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2414                 }
2415                 return;
2416         }
2417
2418         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2419 }
2420
2421 #####################################################################
2422 # parse a function
2423 sub ParseFunctionPull($$)
2424 {
2425         my($self,$fn) = @_;
2426         my $ndr = "ndr";
2427
2428         # pull function args
2429         $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;
2430
2431         $self->pidl("{");
2432         $self->indent;
2433
2434         # declare any internal pointers we need
2435         foreach my $e (@{$fn->{ELEMENTS}}) {
2436                 $self->DeclarePtrVariables($e);
2437                 $self->DeclareArrayVariables($e, "pull");
2438         }
2439
2440         my %double_cases = ();
2441         foreach my $e (@{$fn->{ELEMENTS}}) {
2442                 next if ($e->{TYPE} eq "EMPTY");
2443                 next if ($double_cases{"$e->{NAME}"});
2444                 $self->DeclareMemCtxVariables($e);
2445                 $double_cases{"$e->{NAME}"} = 1;
2446         }
2447
2448         $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2449
2450         $self->pidl("if (flags & NDR_IN) {");
2451         $self->indent;
2452
2453         # auto-init the out section of a structure. I originally argued that
2454         # this was a bad idea as it hides bugs, but coping correctly
2455         # with initialisation and not wiping ref vars is turning
2456         # out to be too tricky (tridge)
2457         foreach my $e (@{$fn->{ELEMENTS}}) {
2458                 next unless grep(/out/, @{$e->{DIRECTION}});
2459                 $self->pidl("ZERO_STRUCT(r->out);");
2460                 $self->pidl("");
2461                 last;
2462         }
2463
2464         my $env = GenerateFunctionInEnv($fn);
2465
2466         foreach my $e (@{$fn->{ELEMENTS}}) {
2467                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2468                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2469         }
2470
2471         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2472         # own flag rather than be in NDR_IN ?
2473
2474         foreach my $e (@{$fn->{ELEMENTS}}) {
2475                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2476                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2477                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2478                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2479                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2480                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2481                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2482                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2483
2484                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2485                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2486                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2487                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2488                                 check_fully_dereferenced($e, $env));
2489                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2490
2491                         if (grep(/in/, @{$e->{DIRECTION}})) {
2492                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2493                         } else {
2494                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2495                         }
2496                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2497                         if (grep(/in/, @{$e->{DIRECTION}})) {
2498                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2499                         } else {
2500                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2501                         }
2502                 } else {
2503                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2504
2505                         if (grep(/in/, @{$e->{DIRECTION}})) {
2506                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2507                         } else {
2508                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2509                         }
2510                 }
2511         }
2512
2513         $self->add_deferred();
2514         $self->deindent;
2515         $self->pidl("}");
2516
2517         $self->pidl("if (flags & NDR_OUT) {");
2518         $self->indent;
2519
2520         $env = GenerateFunctionOutEnv($fn);
2521         foreach my $e (@{$fn->{ELEMENTS}}) {
2522                 next unless grep(/out/, @{$e->{DIRECTION}});
2523                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2524         }
2525
2526         if ($fn->{RETURN_TYPE}) {
2527                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2528         }
2529
2530         $self->add_deferred();
2531         $self->deindent;
2532         $self->pidl("}");
2533
2534         $self->pidl("return NDR_ERR_SUCCESS;");
2535         $self->deindent;
2536         $self->pidl("}");
2537         $self->pidl("");
2538 }
2539
2540 sub AuthServiceStruct($$$)
2541 {
2542         my ($self, $ifacename, $authservice) = @_;
2543         my @a = split /,/, $authservice;
2544         my $authservice_count = $#a + 1;
2545
2546         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2547         foreach my $ap (@a) {
2548                 $self->pidl("\t$ap, ");
2549         }
2550         $self->pidl("};");
2551         $self->pidl("");
2552
2553         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2554         $self->pidl("\t.count\t= $authservice_count,");
2555         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2556         $self->pidl("};");
2557         $self->pidl("");
2558 }
2559
2560 sub ParseGeneratePipeArray($$$)
2561 {
2562         my ($self, $fn, $direction) = @_;
2563
2564         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2565         $self->indent;
2566
2567         foreach my $e (@{$fn->{ELEMENTS}}) {
2568                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2569                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2570
2571                 my $cname = "$e->{TYPE}_chunk";
2572
2573                 $self->pidl("{");
2574                 $self->indent;
2575                 $self->pidl("\"$direction.$e->{NAME}\",");
2576                 $self->pidl("\"$cname\",");
2577                 $self->pidl("sizeof(struct $cname),");
2578                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2579                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2580                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2581                 $self->deindent;
2582                 $self->pidl("},");
2583         }
2584         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2585         $self->deindent;
2586         $self->pidl("};");
2587         $self->pidl("");
2588 }
2589
2590 sub FunctionCallPipes($$)
2591 {
2592         my ($self, $d) = @_;
2593         return if not defined($d->{OPNUM});
2594
2595         my $in_pipes = 0;
2596         my $out_pipes = 0;
2597
2598         foreach my $e (@{$d->{ELEMENTS}}) {
2599                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2600
2601                 if (grep(/in/, @{$e->{DIRECTION}})) {
2602                         $in_pipes++;
2603                 }
2604                 if (grep(/out/, @{$e->{DIRECTION}})) {
2605                         $out_pipes++;
2606                 }
2607         }
2608
2609         if ($in_pipes) {
2610                 $self->ParseGeneratePipeArray($d, "in");
2611         }
2612
2613         if ($out_pipes) {
2614                 $self->ParseGeneratePipeArray($d, "out");
2615         }
2616 }
2617
2618 sub FunctionCallEntry($$)
2619 {
2620         my ($self, $d) = @_;
2621         return 0 if not defined($d->{OPNUM});
2622
2623         my $in_pipes = 0;
2624         my $out_pipes = 0;
2625
2626         foreach my $e (@{$d->{ELEMENTS}}) {
2627                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2628
2629                 if (grep(/in/, @{$e->{DIRECTION}})) {
2630                         $in_pipes++;
2631                 }
2632                 if (grep(/out/, @{$e->{DIRECTION}})) {
2633                         $out_pipes++;
2634                 }
2635         }
2636
2637         my $in_pipes_ptr = "NULL";
2638         my $out_pipes_ptr = "NULL";
2639
2640         if ($in_pipes) {
2641                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2642         }
2643
2644         if ($out_pipes) {
2645                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2646         }
2647
2648         $self->pidl("\t{");
2649         $self->pidl("\t\t\"$d->{NAME}\",");
2650         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2651         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2652         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2653         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2654         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2655         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2656         $self->pidl("\t},");
2657         return 1;
2658 }
2659
2660 #####################################################################
2661 # produce a function call table
2662 sub FunctionTable($$)
2663 {
2664         my($self,$interface) = @_;
2665         my $count = 0;
2666         my $uname = uc $interface->{NAME};
2667
2668         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2669         return unless defined ($interface->{PROPERTIES}->{uuid});
2670
2671         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2672                 $self->FunctionCallPipes($d);
2673         }
2674
2675         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2676
2677         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2678                 $count += $self->FunctionCallEntry($d);
2679         }
2680         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2681         $self->pidl("};");
2682         $self->pidl("");
2683
2684         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2685         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2686                 $self->pidl("\t$ep, ");
2687         }
2688         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2689
2690         $self->pidl("};");
2691         $self->pidl("");
2692
2693         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2694         $self->pidl("\t.count\t= $endpoint_count,");
2695         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2696         $self->pidl("};");
2697         $self->pidl("");
2698
2699         if (! defined $interface->{PROPERTIES}->{authservice}) {
2700                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2701         }
2702
2703         $self->AuthServiceStruct($interface->{NAME},
2704                                      $interface->{PROPERTIES}->{authservice});
2705
2706         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2707         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2708         $self->pidl("\t.syntax_id\t= {");
2709         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2710         $self->pidl("\t\tNDR_$uname\_VERSION");
2711         $self->pidl("\t},");
2712         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2713         $self->pidl("\t.num_calls\t= $count,");
2714         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2715         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2716         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2717         $self->pidl("};");
2718         $self->pidl("");
2719
2720 }
2721
2722 #####################################################################
2723 # generate include statements for imported idl files
2724 sub HeaderImport
2725 {
2726         my $self = shift;
2727         my @imports = @_;
2728         foreach (@imports) {
2729                 $_ = unmake_str($_);
2730                 s/\.idl$//;
2731                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2732         }
2733 }
2734
2735 #####################################################################
2736 # generate include statements for included header files
2737 sub HeaderInclude
2738 {
2739         my $self = shift;
2740         my @includes = @_;
2741         foreach (@includes) {
2742                 $self->pidl_hdr("#include $_");
2743         }
2744 }
2745
2746 #####################################################################
2747 # generate prototypes and defines for the interface definitions
2748 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2749 # NDR parser and so do not belong here, technically speaking
2750 sub HeaderInterface($$$)
2751 {
2752         my($self,$interface,$needed) = @_;
2753
2754         my $count = 0;
2755
2756         if ($needed->{"compression"}) {
2757                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2758         }
2759
2760         if (has_property($interface, "object")) {
2761                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2762         }
2763
2764         if (defined $interface->{PROPERTIES}->{helper}) {
2765                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2766         }
2767
2768         if (defined $interface->{PROPERTIES}->{uuid}) {
2769                 my $name = uc $interface->{NAME};
2770                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2771                 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2772
2773                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2774
2775                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2776
2777                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2778                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2779
2780                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2781         }
2782
2783         foreach (@{$interface->{FUNCTIONS}}) {
2784                 next if has_property($_, "noopnum");
2785                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2786                 my $u_name = uc $_->{NAME};
2787
2788                 my $val = sprintf("0x%02x", $count);
2789                 if (defined($interface->{BASE})) {
2790                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2791                 }
2792
2793                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2794
2795                 $self->pidl_hdr("");
2796                 $count++;
2797         }
2798
2799         my $val = $count;
2800
2801         if (defined($interface->{BASE})) {
2802                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2803         }
2804
2805         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2806
2807 }
2808
2809 sub ParseTypePush($$$$$$)
2810 {
2811         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2812
2813         # save the old relative_base_offset
2814         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2815         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2816         # restore the old relative_base_offset
2817         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2818 }
2819
2820 sub ParseTypePushFunction($$$)
2821 {
2822         my ($self, $e, $varname) = @_;
2823         my $ndr = "ndr";
2824
2825         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2826
2827         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2828
2829         $self->pidl("{");
2830         $self->indent;
2831         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2832         $self->pidl("return NDR_ERR_SUCCESS;");
2833         $self->deindent;
2834         $self->pidl("}");
2835         $self->pidl("");;
2836 }
2837
2838 sub ParseTypePull($$$$$$)
2839 {
2840         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2841
2842         # save the old relative_base_offset
2843         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2844         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2845         # restore the old relative_base_offset
2846         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2847 }
2848
2849 sub ParseTypePullFunction($$)
2850 {
2851         my ($self, $e, $varname) = @_;
2852         my $ndr = "ndr";
2853
2854         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2855
2856         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2857
2858         $self->pidl("{");
2859         $self->indent;
2860         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2861         $self->pidl("return NDR_ERR_SUCCESS;");
2862         $self->deindent;
2863         $self->pidl("}");
2864         $self->pidl("");
2865 }
2866
2867 sub ParseTypePrint($$$$)
2868 {
2869         my ($self, $e, $ndr, $varname) = @_;
2870
2871         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2872 }
2873
2874 sub ParseTypePrintFunction($$$)
2875 {
2876         my ($self, $e, $varname) = @_;
2877         my $ndr = "ndr";
2878
2879         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2880
2881         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2882
2883         return if (has_property($e, "noprint"));
2884
2885         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2886         $self->pidl("{");
2887         $self->indent;
2888         $self->ParseTypePrint($e, $ndr, $varname);
2889         $self->deindent;
2890         $self->pidl("}");
2891         $self->pidl("");
2892 }
2893
2894 sub ParseTypeNdrSize($$)
2895 {
2896         my ($self,$t) = @_;
2897
2898         my $varname = "r";
2899         my $tf = $typefamily{$t->{TYPE}};
2900         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2901
2902         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2903
2904         $self->pidl("{");
2905         $self->indent;
2906         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2907         $self->deindent;
2908         $self->pidl("}");
2909         $self->pidl("");
2910 }
2911
2912 #####################################################################
2913 # parse the interface definitions
2914 sub ParseInterface($$$)
2915 {
2916         my($self,$interface,$needed) = @_;
2917
2918         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2919         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2920
2921         $self->pidl_hdr("");
2922
2923         $self->HeaderInterface($interface, $needed);
2924
2925         # Typedefs
2926         foreach my $d (@{$interface->{TYPES}}) {
2927                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2928                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2929                                 $self->ParsePipePushChunk($d);
2930                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2931                                 $self->ParsePipePullChunk($d);
2932                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2933                                 $self->ParsePipePrintChunk($d);
2934
2935                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2936                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2937                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2938                         next;
2939                 }
2940
2941                 next unless(typeHasBody($d));
2942
2943                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2944                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2945                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2946
2947                 # Make sure we don't generate a function twice...
2948                 $needed->{TypeFunctionName("ndr_push", $d)} =
2949                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2950                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2951
2952                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2953         }
2954
2955         # Functions
2956         foreach my $d (@{$interface->{FUNCTIONS}}) {
2957                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2958                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2959                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2960         }
2961
2962         $self->FunctionTable($interface);
2963
2964         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2965 }
2966
2967 sub GenerateIncludes($)
2968 {
2969         my ($self) = @_;
2970         if (is_intree()) {
2971                 $self->pidl("#include \"includes.h\"");
2972         } else {
2973                 $self->pidl("#ifndef _GNU_SOURCE");
2974                 $self->pidl("#define _GNU_SOURCE");
2975                 $self->pidl("#endif");
2976                 $self->pidl("#include <stdint.h>");
2977                 $self->pidl("#include <stdlib.h>");
2978                 $self->pidl("#include <stdio.h>");
2979                 $self->pidl("#include <stdbool.h>");
2980                 $self->pidl("#include <stdarg.h>");
2981                 $self->pidl("#include <string.h>");
2982         }
2983 }
2984
2985 #####################################################################
2986 # parse a parsed IDL structure back into an IDL file
2987 sub Parse($$$$)
2988 {
2989         my($self, $ndr,$gen_header,$ndr_header) = @_;
2990
2991         $self->pidl_hdr("/* header auto-generated by pidl */");
2992         $self->pidl_hdr("");
2993         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2994         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2995         $self->pidl_hdr("");
2996
2997         $self->pidl("/* parser auto-generated by pidl */");
2998         $self->pidl("");
2999         $self->GenerateIncludes();
3000         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
3001         $self->pidl("");
3002
3003         my %needed = ();
3004
3005         foreach (@{$ndr}) {
3006                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
3007         }
3008
3009         foreach (@{$ndr}) {
3010                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
3011                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
3012                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
3013         }
3014
3015         return ($self->{res_hdr}, $self->{res});
3016 }
3017
3018 sub NeededElement($$$)
3019 {
3020         my ($e, $dir, $needed) = @_;
3021
3022         return if ($e->{TYPE} eq "EMPTY");
3023
3024         return if (ref($e->{TYPE}) eq "HASH" and
3025                        not defined($e->{TYPE}->{NAME}));
3026
3027         my ($t, $rt);
3028         if (ref($e->{TYPE}) eq "HASH") {
3029                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
3030         } else {
3031                 $t = $e->{TYPE};
3032         }
3033
3034         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
3035                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
3036         } else {
3037                 $rt = $e->{REPRESENTATION_TYPE};
3038         }
3039
3040         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
3041
3042         my @fn = ();
3043         if ($dir eq "print") {
3044                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
3045         } elsif ($dir eq "pull") {
3046                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
3047                 push (@fn, "ndr_$t\_to_$rt")
3048                         if ($rt ne $t);
3049         } elsif ($dir eq "push") {
3050                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3051                 push (@fn, "ndr_$rt\_to_$t")
3052                         if ($rt ne $t);
3053         } else {
3054                 die("invalid direction `$dir'");
3055         }
3056
3057         foreach (@fn) {
3058                 unless (defined($needed->{$_})) {
3059                         $needed->{$_} = 1;
3060                 }
3061         }
3062 }
3063
3064 sub NeededFunction($$)
3065 {
3066         my ($fn,$needed) = @_;
3067         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3068         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3069         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3070         foreach my $e (@{$fn->{ELEMENTS}}) {
3071                 $e->{PARENT} = $fn;
3072                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3073         }
3074 }
3075
3076 sub NeededType($$$)
3077 {
3078         sub NeededType($$$);
3079         my ($t,$needed,$req) = @_;
3080
3081         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3082         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3083
3084         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3085                 return unless defined($t->{ELEMENTS});
3086                 for my $e (@{$t->{ELEMENTS}}) {
3087                         $e->{PARENT} = $t;
3088                         if (has_property($e, "compression")) {
3089                                 $needed->{"compression"} = 1;
3090                         }
3091                         NeededElement($e, $req, $needed);
3092                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3093                 }
3094         }
3095 }
3096
3097 #####################################################################
3098 # work out what parse functions are needed
3099 sub NeededInterface($$)
3100 {
3101         my ($interface,$needed) = @_;
3102         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3103         foreach (reverse @{$interface->{TYPES}}) {
3104
3105                 if (has_property($_, "public")) {
3106                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3107                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3108                 }
3109
3110                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3111                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3112                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3113                 if (has_property($_, "gensize")) {
3114                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3115                 }
3116         }
3117 }
3118
3119 sub TypeFunctionName($$)
3120 {
3121         my ($prefix, $t) = @_;
3122
3123         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3124                         $t->{TYPE} eq "TYPEDEF");
3125         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3126         return "$prefix\_$t";
3127 }
3128
3129 1;