source4/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 = qw(is_charset_array);
  13 @EXPORT_OK = qw(check_null_pointer GenerateFunctionInEnv
  14    GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv NeededFunction
  15    NeededElement NeededType $res NeededInterface);
  16
  17 use strict;
  18 use Parse::Pidl::Typelist qw(hasType getType mapTypeName);
  19 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid);
  20 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
  21 use Parse::Pidl::Samba4 qw(is_intree choose_header);
  22 use Parse::Pidl qw(warning);
  23
  24 use vars qw($VERSION);
  25 $VERSION = '0.01';
  26
  27 # list of known types
  28 my %typefamily;
  29
  30 sub get_typefamily($)
  31 {
  32         my $n = shift;
  33         return $typefamily{$n};
  34 }
  35
  36 sub append_prefix($$)
  37 {
  38         my ($e, $var_name) = @_;
  39         my $pointers = 0;
  40
  41         foreach my $l (@{$e->{LEVELS}}) {
  42                 if ($l->{TYPE} eq "POINTER") {
  43                         $pointers++;
  44                 } elsif ($l->{TYPE} eq "ARRAY") {
  45                         if (($pointers == 0) and
  46                             (not $l->{IS_FIXED}) and
  47                             (not $l->{IS_INLINE})) {
  48                                 return get_value_of($var_name);
  49                         }
  50                 } elsif ($l->{TYPE} eq "DATA") {
  51                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  52                                 return get_value_of($var_name) unless ($pointers);
  53                         }
  54                 }
  55         }
  56
  57         return $var_name;
  58 }
  59
  60 sub has_fast_array($$)
  61 {
  62         my ($e,$l) = @_;
  63
  64         return 0 if ($l->{TYPE} ne "ARRAY");
  65
  66         my $nl = GetNextLevel($e,$l);
  67         return 0 unless ($nl->{TYPE} eq "DATA");
  68         return 0 unless (hasType($nl->{DATA_TYPE}));
  69
  70         my $t = getType($nl->{DATA_TYPE});
  71
  72         # Only uint8 and string have fast array functions at the moment
  73         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  74 }
  75
  76 sub is_charset_array($$)
  77 {
  78         my ($e,$l) = @_;
  79
  80         return 0 if ($l->{TYPE} ne "ARRAY");
  81
  82         my $nl = GetNextLevel($e,$l);
  83
  84         return 0 unless ($nl->{TYPE} eq "DATA");
  85
  86         return has_property($e, "charset");
  87 }
  88
  89 sub get_pointer_to($)
  90 {
  91         my $var_name = shift;
  92
  93         if ($var_name =~ /^\*(.*)$/) {
  94                 return $1;
  95         } elsif ($var_name =~ /^\&(.*)$/) {
  96                 return "&($var_name)";
  97         } else {
  98                 return "&$var_name";
  99         }
 100 }
 101
 102 sub get_value_of($)
 103 {
 104         my $var_name = shift;
 105
 106         if ($var_name =~ /^\&(.*)$/) {
 107                 return $1;
 108         } else {
 109                 return "*$var_name";
 110         }
 111 }
 112
 113 our $res;
 114 my $deferred = [];
 115 my $tabs = "";
 116
 117 ####################################
 118 # pidl() is our basic output routine
 119 sub pidl($)
 120 {
 121         my $d = shift;
 122         if ($d) {
 123                 $res .= $tabs;
 124                 $res .= $d;
 125         }
 126         $res .="\n";
 127 }
 128
 129 my $res_hdr;
 130
 131 sub pidl_hdr ($) { my $d = shift; $res_hdr .= "$d\n"; }
 132
 133 ####################################
 134 # defer() is like pidl(), but adds to
 135 # a deferred buffer which is then added to the
 136 # output buffer at the end of the structure/union/function
 137 # This is needed to cope with code that must be pushed back
 138 # to the end of a block of elements
 139 my $defer_tabs = "";
 140 sub defer_indent() { $defer_tabs.="\t"; }
 141 sub defer_deindent() { $defer_tabs=substr($defer_tabs, 0, -1); }
 142
 143 sub defer($)
 144 {
 145         my $d = shift;
 146         if ($d) {
 147                 push(@$deferred, $defer_tabs.$d);
 148         }
 149 }
 150
 151 ########################################
 152 # add the deferred content to the current
 153 # output
 154 sub add_deferred()
 155 {
 156         pidl $_ foreach (@$deferred);
 157         $deferred = [];
 158         $defer_tabs = "";
 159 }
 160
 161 sub indent()
 162 {
 163         $tabs .= "\t";
 164 }
 165
 166 sub deindent()
 167 {
 168         $tabs = substr($tabs, 0, -1);
 169 }
 170
 171 #####################################################################
 172 # declare a function public or static, depending on its attributes
 173 sub fn_declare($$$)
 174 {
 175         my ($type,$fn,$decl) = @_;
 176
 177         if (has_property($fn, "no$type")) {
 178                 pidl_hdr "$decl;";
 179                 return 0;
 180         }
 181
 182         if (has_property($fn, "public")) {
 183                 pidl_hdr "$decl;";
 184                 pidl "_PUBLIC_ $decl";
 185         } else {
 186                 pidl "static $decl";
 187         }
 188
 189         return 1;
 190 }
 191
 192 ###################################################################
 193 # setup any special flags for an element or structure
 194 sub start_flags($)
 195 {
 196         my $e = shift;
 197         my $flags = has_property($e, "flag");
 198         if (defined $flags) {
 199                 pidl "{";
 200                 indent;
 201                 pidl "uint32_t _flags_save_$e->{TYPE} = ndr->flags;";
 202                 pidl "ndr_set_flags(&ndr->flags, $flags);";
 203         }
 204 }
 205
 206 ###################################################################
 207 # end any special flags for an element or structure
 208 sub end_flags($)
 209 {
 210         my $e = shift;
 211         my $flags = has_property($e, "flag");
 212         if (defined $flags) {
 213                 pidl "ndr->flags = _flags_save_$e->{TYPE};";
 214                 deindent;
 215                 pidl "}";
 216         }
 217 }
 218
 219 sub GenerateStructEnv($$)
 220 {
 221         my ($x, $v) = @_;
 222         my %env;
 223
 224         foreach my $e (@{$x->{ELEMENTS}}) {
 225                 $env{$e->{NAME}} = "$v->$e->{NAME}";
 226         }
 227
 228         $env{"this"} = $v;
 229
 230         return \%env;
 231 }
 232
 233 sub EnvSubstituteValue($$)
 234 {
 235         my ($env,$s) = @_;
 236
 237         # Substitute the value() values in the env
 238         foreach my $e (@{$s->{ELEMENTS}}) {
 239                 next unless (defined(my $v = has_property($e, "value")));
 240
 241                 $env->{$e->{NAME}} = ParseExpr($v, $env, $e);
 242         }
 243
 244         return $env;
 245 }
 246
 247 sub GenerateFunctionInEnv($)
 248 {
 249         my $fn = shift;
 250         my %env;
 251
 252         foreach my $e (@{$fn->{ELEMENTS}}) {
 253                 if (grep (/in/, @{$e->{DIRECTION}})) {
 254                         $env{$e->{NAME}} = "r->in.$e->{NAME}";
 255                 }
 256         }
 257
 258         return \%env;
 259 }
 260
 261 sub GenerateFunctionOutEnv($)
 262 {
 263         my $fn = shift;
 264         my %env;
 265
 266         foreach my $e (@{$fn->{ELEMENTS}}) {
 267                 if (grep (/out/, @{$e->{DIRECTION}})) {
 268                         $env{$e->{NAME}} = "r->out.$e->{NAME}";
 269                 } elsif (grep (/in/, @{$e->{DIRECTION}})) {
 270                         $env{$e->{NAME}} = "r->in.$e->{NAME}";
 271                 }
 272         }
 273
 274         return \%env;
 275 }
 276
 277 #####################################################################
 278 # parse the data of an array - push side
 279 sub ParseArrayPushHeader($$$$$)
 280 {
 281         my ($e,$l,$ndr,$var_name,$env) = @_;
 282
 283         my $size;
 284         my $length;
 285
 286         if ($l->{IS_ZERO_TERMINATED}) {
 287                 if (has_property($e, "charset")) {
 288                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 289                 } else {
 290                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 291                 }
 292         } else {
 293                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 294                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 295         }
 296
 297         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 298                 pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $size));";
 299         }
 300
 301         if ($l->{IS_VARYING}) {
 302                 pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, 0));";  # array offset
 303                 pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $length));";
 304         }
 305
 306         return $length;
 307 }
 308
 309 sub check_fully_dereferenced($$)
 310 {
 311         my ($element, $env) = @_;
 312
 313         return sub ($) {
 314                 my $origvar = shift;
 315                 my $check = 0;
 316
 317                 # Figure out the number of pointers in $ptr
 318                 my $expandedvar = $origvar;
 319                 $expandedvar =~ s/^(\**)//;
 320                 my $ptr = $1;
 321
 322                 my $var = undef;
 323                 foreach (keys %$env) {
 324                         if ($env->{$_} eq $expandedvar) {
 325                                 $var = $_;
 326                                 last;
 327                         }
 328                 }
 329
 330                 return($origvar) unless (defined($var));
 331                 my $e;
 332                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 333                         if ($_->{NAME} eq $var) {
 334                                 $e = $_;
 335                                 last;
 336                         }
 337                 }
 338
 339                 $e or die("Environment doesn't match siblings");
 340
 341                 # See if pointer at pointer level $level
 342                 # needs to be checked.
 343                 my $nump = 0;
 344                 foreach (@{$e->{LEVELS}}) {
 345                         if ($_->{TYPE} eq "POINTER") {
 346                                 $nump = $_->{POINTER_INDEX}+1;
 347                         }
 348                 }
 349                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 350                 return ($origvar);
 351         }
 352 }
 353
 354 sub check_null_pointer($$$$)
 355 {
 356         my ($element, $env, $print_fn, $return) = @_;
 357
 358         return sub ($) {
 359                 my $expandedvar = shift;
 360                 my $check = 0;
 361
 362                 # Figure out the number of pointers in $ptr
 363                 $expandedvar =~ s/^(\**)//;
 364                 my $ptr = $1;
 365
 366                 my $var = undef;
 367                 foreach (keys %$env) {
 368                         if ($env->{$_} eq $expandedvar) {
 369                                 $var = $_;
 370                                 last;
 371                         }
 372                 }
 373
 374                 if (defined($var)) {
 375                         my $e;
 376                         # lookup ptr in $e
 377                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 378                                 if ($_->{NAME} eq $var) {
 379                                         $e = $_;
 380                                         last;
 381                                 }
 382                         }
 383
 384                         $e or die("Environment doesn't match siblings");
 385
 386                         # See if pointer at pointer level $level
 387                         # needs to be checked.
 388                         foreach my $l (@{$e->{LEVELS}}) {
 389                                 if ($l->{TYPE} eq "POINTER" and
 390                                         $l->{POINTER_INDEX} == length($ptr)) {
 391                                         # No need to check ref pointers
 392                                         $check = ($l->{POINTER_TYPE} ne "ref");
 393                                         last;
 394                                 }
 395
 396                                 if ($l->{TYPE} eq "DATA") {
 397                                         warning($element, "too much dereferences for `$var'");
 398                                 }
 399                         }
 400                 } else {
 401                         warning($element, "unknown dereferenced expression `$expandedvar'");
 402                         $check = 1;
 403                 }
 404
 405                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 406         }
 407 }
 408
 409 #####################################################################
 410 # parse an array - pull side
 411 sub ParseArrayPullHeader($$$$$)
 412 {
 413         my ($e,$l,$ndr,$var_name,$env) = @_;
 414
 415         my $length;
 416         my $size;
 417
 418         if ($l->{IS_CONFORMANT}) {
 419                 $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 420         } elsif ($l->{IS_ZERO_TERMINATED}) { # Noheader arrays
 421                 $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 422         } else {
 423                 $length = $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 424                     check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 425         }
 426
 427         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 428                 pidl "NDR_CHECK(ndr_pull_array_size(ndr, " . get_pointer_to($var_name) . "));";
 429         }
 430
 431         if ($l->{IS_VARYING}) {
 432                 pidl "NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));";
 433                 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 434         }
 435
 436         if ($length ne $size) {
 437                 pidl "if ($length > $size) {";
 438                 indent;
 439                 pidl "return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);";
 440                 deindent;
 441                 pidl "}";
 442         }
 443
 444         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
 445                 defer "if ($var_name) {";
 446                 defer_indent;
 447                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL}, check_null_pointer($e, $env, \&defer, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 448                 defer "NDR_CHECK(ndr_check_array_size(ndr, (void*)" . get_pointer_to($var_name) . ", $size));";
 449                 defer_deindent;
 450                 defer "}";
 451         }
 452
 453         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
 454                 defer "if ($var_name) {";
 455                 defer_indent;
 456                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 457                         check_null_pointer($e, $env, \&defer, "return NT_STATUS_INVALID_PARAMETER_MIX;"),
 458                         check_fully_dereferenced($e, $env));
 459                 defer "NDR_CHECK(ndr_check_array_length(ndr, (void*)" . get_pointer_to($var_name) . ", $length));";
 460                 defer_deindent;
 461                 defer "}"
 462         }
 463
 464         if (not $l->{IS_FIXED} and not is_charset_array($e, $l)) {
 465                 AllocateArrayLevel($e,$l,$ndr,$env,$size);
 466         }
 467
 468         return $length;
 469 }
 470
 471 sub compression_alg($$)
 472 {
 473         my ($e, $l) = @_;
 474         my ($alg, $clen, $dlen) = split(/ /, $l->{COMPRESSION});
 475
 476         return $alg;
 477 }
 478
 479 sub compression_clen($$$)
 480 {
 481         my ($e, $l, $env) = @_;
 482         my ($alg, $clen, $dlen) = split(/ /, $l->{COMPRESSION});
 483
 484         return ParseExpr($clen, $env, $e->{ORIGINAL});
 485 }
 486
 487 sub compression_dlen($$$)
 488 {
 489         my ($e,$l,$env) = @_;
 490         my ($alg, $clen, $dlen) = split(/ /, $l->{COMPRESSION});
 491
 492         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 493 }
 494
 495 sub ParseCompressionPushStart($$$$)
 496 {
 497         my ($e,$l,$ndr,$env) = @_;
 498         my $comndr = "$ndr\_compressed";
 499         my $alg = compression_alg($e, $l);
 500         my $dlen = compression_dlen($e, $l, $env);
 501
 502         pidl "{";
 503         indent;
 504         pidl "struct ndr_push *$comndr;";
 505         pidl "NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));";
 506
 507         return $comndr;
 508 }
 509
 510 sub ParseCompressionPushEnd($$$$)
 511 {
 512         my ($e,$l,$ndr,$env) = @_;
 513         my $comndr = "$ndr\_compressed";
 514         my $alg = compression_alg($e, $l);
 515         my $dlen = compression_dlen($e, $l, $env);
 516
 517         pidl "NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));";
 518         deindent;
 519         pidl "}";
 520 }
 521
 522 sub ParseCompressionPullStart($$$$)
 523 {
 524         my ($e,$l,$ndr,$env) = @_;
 525         my $comndr = "$ndr\_compressed";
 526         my $alg = compression_alg($e, $l);
 527         my $dlen = compression_dlen($e, $l, $env);
 528
 529         pidl "{";
 530         indent;
 531         pidl "struct ndr_pull *$comndr;";
 532         pidl "NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));";
 533
 534         return $comndr;
 535 }
 536
 537 sub ParseCompressionPullEnd($$$$)
 538 {
 539         my ($e,$l,$ndr,$env) = @_;
 540         my $comndr = "$ndr\_compressed";
 541         my $alg = compression_alg($e, $l);
 542         my $dlen = compression_dlen($e, $l, $env);
 543
 544         pidl "NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));";
 545         deindent;
 546         pidl "}";
 547 }
 548
 549 sub ParseSubcontextPushStart($$$$)
 550 {
 551         my ($e,$l,$ndr,$env) = @_;
 552         my $subndr = "_ndr_$e->{NAME}";
 553         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 554
 555         pidl "{";
 556         indent;
 557         pidl "struct ndr_push *$subndr;";
 558         pidl "NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));";
 559
 560         if (defined $l->{COMPRESSION}) {
 561                 $subndr = ParseCompressionPushStart($e, $l, $subndr, $env);
 562         }
 563
 564         return $subndr;
 565 }
 566
 567 sub ParseSubcontextPushEnd($$$$)
 568 {
 569         my ($e,$l,$ndr,$env) = @_;
 570         my $subndr = "_ndr_$e->{NAME}";
 571         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 572
 573         if (defined $l->{COMPRESSION}) {
 574                 ParseCompressionPushEnd($e, $l, $subndr, $env);
 575         }
 576
 577         pidl "NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));";
 578         deindent;
 579         pidl "}";
 580 }
 581
 582 sub ParseSubcontextPullStart($$$$)
 583 {
 584         my ($e,$l,$ndr,$env) = @_;
 585         my $subndr = "_ndr_$e->{NAME}";
 586         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 587
 588         pidl "{";
 589         indent;
 590         pidl "struct ndr_pull *$subndr;";
 591         pidl "NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));";
 592
 593         if (defined $l->{COMPRESSION}) {
 594                 $subndr = ParseCompressionPullStart($e, $l, $subndr, $env);
 595         }
 596
 597         return $subndr;
 598 }
 599
 600 sub ParseSubcontextPullEnd($$$$)
 601 {
 602         my ($e,$l,$ndr,$env) = @_;
 603         my $subndr = "_ndr_$e->{NAME}";
 604         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 605
 606         if (defined $l->{COMPRESSION}) {
 607                 ParseCompressionPullEnd($e, $l, $subndr, $env);
 608         }
 609
 610         pidl "NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));";
 611         deindent;
 612         pidl "}";
 613 }
 614
 615 sub ParseElementPushLevel
 616 {
 617         my ($e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 618
 619         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 620
 621         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 622                 $var_name = get_pointer_to($var_name);
 623         }
 624
 625         if (defined($ndr_flags)) {
 626                 if ($l->{TYPE} eq "SUBCONTEXT") {
 627                         my $subndr = ParseSubcontextPushStart($e, $l, $ndr, $env);
 628                         ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 629                         ParseSubcontextPushEnd($e, $l, $ndr, $env);
 630                 } elsif ($l->{TYPE} eq "POINTER") {
 631                         ParsePtrPush($e, $l, $var_name);
 632                 } elsif ($l->{TYPE} eq "ARRAY") {
 633                         my $length = ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 634
 635                         my $nl = GetNextLevel($e, $l);
 636
 637                         # Allow speedups for arrays of scalar types
 638                         if (is_charset_array($e,$l)) {
 639                                 pidl "NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));";
 640                                 return;
 641                         } elsif (has_fast_array($e,$l)) {
 642                                 pidl "NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));";
 643                                 return;
 644                         }
 645                 } elsif ($l->{TYPE} eq "SWITCH") {
 646                         ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 647                 } elsif ($l->{TYPE} eq "DATA") {
 648                         ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 649                 }
 650         }
 651
 652         if ($l->{TYPE} eq "POINTER" and $deferred) {
 653                 if ($l->{POINTER_TYPE} ne "ref") {
 654                         pidl "if ($var_name) {";
 655                         indent;
 656                         if ($l->{POINTER_TYPE} eq "relative") {
 657                                 pidl "NDR_CHECK(ndr_push_relative_ptr2(ndr, $var_name));";
 658                         }
 659                 }
 660                 $var_name = get_value_of($var_name);
 661                 ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 662
 663                 if ($l->{POINTER_TYPE} ne "ref") {
 664                         deindent;
 665                         pidl "}";
 666                 }
 667         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 668                 not is_charset_array($e, $l)) {
 669                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 670                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 671
 672                 $var_name = $var_name . "[$counter]";
 673
 674                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
 675                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
 676                         indent;
 677                         ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 678                         deindent;
 679                         pidl "}";
 680                 }
 681
 682                 if ($deferred and ContainsDeferred($e, $l)) {
 683                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
 684                         indent;
 685                         ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 686                         deindent;
 687                         pidl "}";
 688                 }
 689         } elsif ($l->{TYPE} eq "SWITCH") {
 690                 ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 691         }
 692 }
 693
 694 #####################################################################
 695 # parse scalars in a structure element
 696 sub ParseElementPush($$$$$)
 697 {
 698         my ($e,$ndr,$env,$primitives,$deferred) = @_;
 699         my $subndr = undef;
 700
 701         my $var_name = $env->{$e->{NAME}};
 702
 703         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 704
 705         # Representation type is different from transmit_as
 706         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 707                 pidl "{";
 708                 indent;
 709                 my $transmit_name = "_transmit_$e->{NAME}";
 710                 pidl mapTypeName($e->{TYPE}) ." $transmit_name;";
 711                 pidl "NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));";
 712                 $var_name = $transmit_name;
 713         }
 714
 715         $var_name = append_prefix($e, $var_name);
 716
 717         start_flags($e);
 718
 719         if (defined(my $value = has_property($e, "value"))) {
 720                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 721         }
 722
 723         ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 724
 725         end_flags($e);
 726
 727         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 728                 deindent;
 729                 pidl "}";
 730         }
 731 }
 732
 733 #####################################################################
 734 # parse a pointer in a struct element or function
 735 sub ParsePtrPush($$$)
 736 {
 737         my ($e,$l,$var_name) = @_;
 738
 739         if ($l->{POINTER_TYPE} eq "ref") {
 740                 pidl "if ($var_name == NULL) return NT_STATUS_INVALID_PARAMETER_MIX;";
 741                 if ($l->{LEVEL} eq "EMBEDDED") {
 742                         pidl "NDR_CHECK(ndr_push_ref_ptr(ndr));";
 743                 }
 744         } elsif ($l->{POINTER_TYPE} eq "relative") {
 745                 pidl "NDR_CHECK(ndr_push_relative_ptr1(ndr, $var_name));";
 746         } elsif ($l->{POINTER_TYPE} eq "unique") {
 747                 pidl "NDR_CHECK(ndr_push_unique_ptr(ndr, $var_name));";
 748         } elsif ($l->{POINTER_TYPE} eq "full") {
 749                 pidl "NDR_CHECK(ndr_push_full_ptr(ndr, $var_name));";
 750         } else {
 751                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 752         }
 753 }
 754
 755 sub ParseDataPrint($$$)
 756 {
 757         my ($e, $l, $var_name) = @_;
 758
 759         if (not ref($l->{DATA_TYPE}) or
 760                 defined($l->{DATA_TYPE}->{NAME})) {
 761                 my $t;
 762                 if (ref($l->{DATA_TYPE})) {
 763                         $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 764                 } else {
 765                         $t = $l->{DATA_TYPE};
 766                 }
 767                 if (not Parse::Pidl::Typelist::is_scalar($t) or
 768                         Parse::Pidl::Typelist::scalar_is_reference($t)) {
 769                         $var_name = get_pointer_to($var_name);
 770                 }
 771                 pidl "ndr_print_$t(ndr, \"$e->{NAME}\", $var_name);";
 772         } else {
 773                 ParseTypePrint($l->{DATA_TYPE}, $var_name);
 774         }
 775 }
 776
 777 #####################################################################
 778 # print scalars in a structure element
 779 sub ParseElementPrint($$$)
 780 {
 781         my($e, $var_name, $env) = @_;
 782
 783         return if (has_property($e, "noprint"));
 784
 785         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 786                 pidl "ndr_print_$e->{REPRESENTATION_TYPE}(ndr, \"$e->{NAME}\", $var_name);";
 787                 return;
 788         }
 789
 790         $var_name = append_prefix($e, $var_name);
 791
 792         if (defined(my $value = has_property($e, "value"))) {
 793                 $var_name = "(ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 794         }
 795
 796         foreach my $l (@{$e->{LEVELS}}) {
 797                 if ($l->{TYPE} eq "POINTER") {
 798                         pidl "ndr_print_ptr(ndr, \"$e->{NAME}\", $var_name);";
 799                         pidl "ndr->depth++;";
 800                         if ($l->{POINTER_TYPE} ne "ref") {
 801                                 pidl "if ($var_name) {";
 802                                 indent;
 803                         }
 804                         $var_name = get_value_of($var_name);
 805                 } elsif ($l->{TYPE} eq "ARRAY") {
 806                         my $length;
 807
 808                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 809                                 $var_name = get_pointer_to($var_name);
 810                         }
 811
 812                         if ($l->{IS_ZERO_TERMINATED}) {
 813                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 814                         } else {
 815                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 816                                                         check_null_pointer($e, $env, \&pidl, "return;"), check_fully_dereferenced($e, $env));
 817                         }
 818
 819                         if (is_charset_array($e,$l)) {
 820                                 pidl "ndr_print_string(ndr, \"$e->{NAME}\", $var_name);";
 821                                 last;
 822                         } elsif (has_fast_array($e, $l)) {
 823                                 my $nl = GetNextLevel($e, $l);
 824                                 pidl "ndr_print_array_$nl->{DATA_TYPE}(ndr, \"$e->{NAME}\", $var_name, $length);";
 825                                 last;
 826                         } else {
 827                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 828
 829                                 pidl "ndr->print(ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", $length);";
 830                                 pidl 'ndr->depth++;';
 831                                 pidl "for ($counter=0;$counter<$length;$counter++) {";
 832                                 indent;
 833                                 pidl "char *idx_$l->{LEVEL_INDEX}=NULL;";
 834                                 pidl "asprintf(&idx_$l->{LEVEL_INDEX}, \"[\%d]\", $counter);";
 835                                 pidl "if (idx_$l->{LEVEL_INDEX}) {";
 836                                 indent;
 837
 838                                 $var_name = $var_name . "[$counter]";
 839                         }
 840                 } elsif ($l->{TYPE} eq "DATA") {
 841                         ParseDataPrint($e, $l, $var_name);
 842                 } elsif ($l->{TYPE} eq "SWITCH") {
 843                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 844                                                 check_null_pointer($e, $env, \&pidl, "return;"), check_fully_dereferenced($e, $env));
 845                         pidl "ndr_print_set_switch_value(ndr, " . get_pointer_to($var_name) . ", $switch_var);";
 846                 }
 847         }
 848
 849         foreach my $l (reverse @{$e->{LEVELS}}) {
 850                 if ($l->{TYPE} eq "POINTER") {
 851                         if ($l->{POINTER_TYPE} ne "ref") {
 852                                 deindent;
 853                                 pidl "}";
 854                         }
 855                         pidl "ndr->depth--;";
 856                 } elsif (($l->{TYPE} eq "ARRAY")
 857                         and not is_charset_array($e,$l)
 858                         and not has_fast_array($e,$l)) {
 859                         pidl "free(idx_$l->{LEVEL_INDEX});";
 860                         deindent;
 861                         pidl "}";
 862                         deindent;
 863                         pidl "}";
 864                         pidl "ndr->depth--;";
 865                 }
 866         }
 867 }
 868
 869 #####################################################################
 870 # parse scalars in a structure element - pull size
 871 sub ParseSwitchPull($$$$$)
 872 {
 873         my($e,$l,$ndr,$var_name,$env) = @_;
 874         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 875                 check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 876
 877         $var_name = get_pointer_to($var_name);
 878         pidl "NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));";
 879 }
 880
 881 #####################################################################
 882 # push switch element
 883 sub ParseSwitchPush($$$$$)
 884 {
 885         my($e,$l,$ndr,$var_name,$env) = @_;
 886         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 887                 check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 888
 889         $var_name = get_pointer_to($var_name);
 890         pidl "NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));";
 891 }
 892
 893 sub ParseDataPull($$$$$$)
 894 {
 895         my ($e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 896
 897         if (not ref($l->{DATA_TYPE}) or
 898                 defined($l->{DATA_TYPE}->{NAME})) {
 899
 900                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 901                 my $t;
 902                 if (ref($l->{DATA_TYPE}) eq "HASH") {
 903                         $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 904                 } else {
 905                         $t = $l->{DATA_TYPE};
 906                 }
 907
 908                 if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 909                         $var_name = get_pointer_to($var_name);
 910                 }
 911
 912                 $var_name = get_pointer_to($var_name);
 913
 914                 pidl "NDR_CHECK(ndr_pull_$t($ndr, $ndr_flags, $var_name));";
 915
 916                 if (my $range = has_property($e, "range")) {
 917                         $var_name = get_value_of($var_name);
 918                         my ($low, $high) = split(/ /, $range, 2);
 919                         pidl "if ($var_name < $low || $var_name > $high) {";
 920                         pidl "\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");";
 921                         pidl "}";
 922                 }
 923         } else {
 924                 ParseTypePull($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 925         }
 926 }
 927
 928 sub ParseDataPush($$$$$$)
 929 {
 930         my ($e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 931
 932         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 933                 my $t;
 934                 if (ref($l->{DATA_TYPE}) eq "HASH") {
 935                         $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 936                 } else {
 937                         $t = $l->{DATA_TYPE};
 938                 }
 939
 940                 # strings are passed by value rather than reference
 941                 if (not Parse::Pidl::Typelist::is_scalar($t) or
 942                         Parse::Pidl::Typelist::scalar_is_reference($t)) {
 943                         $var_name = get_pointer_to($var_name);
 944                 }
 945
 946                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 947                 pidl "NDR_CHECK(ndr_push_$t($ndr, $ndr_flags, $var_name));";
 948         } else {
 949                 ParseTypePush($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 950         }
 951 }
 952
 953 sub CalcNdrFlags($$$)
 954 {
 955         my ($l,$primitives,$deferred) = @_;
 956
 957         my $scalars = 0;
 958         my $buffers = 0;
 959
 960         # Add NDR_SCALARS if this one is deferred
 961         # and deferreds may be pushed
 962         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 963
 964         # Add NDR_SCALARS if this one is not deferred and
 965         # primitives may be pushed
 966         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 967
 968         # Add NDR_BUFFERS if this one contains deferred stuff
 969         # and deferreds may be pushed
 970         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 971
 972         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 973         return "NDR_SCALARS" if ($scalars);
 974         return "NDR_BUFFERS" if ($buffers);
 975         return undef;
 976 }
 977
 978 sub ParseMemCtxPullStart($$$)
 979 {
 980         my ($e, $l, $ptr_name) = @_;
 981
 982         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 983         my $mem_c_ctx = $ptr_name;
 984         my $mem_c_flags = "0";
 985
 986         return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED});
 987
 988         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
 989                 my $nl = GetNextLevel($e, $l);
 990                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
 991                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
 992                                         ($nl->{DATA_TYPE} eq "string"));
 993                 if ($next_is_array or $next_is_string) {
 994                         return;
 995                 } else {
 996                         $mem_c_flags = "LIBNDR_FLAG_REF_ALLOC";
 997                 }
 998         }
 999
1000         pidl "$mem_r_ctx = NDR_PULL_GET_MEM_CTX(ndr);";
1001         pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_c_ctx, $mem_c_flags);";
1002 }
1003
1004 sub ParseMemCtxPullEnd($$)
1005 {
1006         my $e = shift;
1007         my $l = shift;
1008
1009         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1010         my $mem_r_flags = "0";
1011
1012         return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED});
1013
1014         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1015                 my $nl = GetNextLevel($e, $l);
1016                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1017                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
1018                                         ($nl->{DATA_TYPE} eq "string"));
1019                 if ($next_is_array or $next_is_string) {
1020                         return;
1021                 } else {
1022                         $mem_r_flags = "LIBNDR_FLAG_REF_ALLOC";
1023                 }
1024         }
1025
1026         pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_r_ctx, $mem_r_flags);";
1027 }
1028
1029 sub CheckStringTerminator($$$$)
1030 {
1031         my ($ndr,$e,$l,$length) = @_;
1032         my $nl = GetNextLevel($e, $l);
1033
1034         # Make sure last element is zero!
1035         pidl "NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));";
1036 }
1037
1038 sub ParseElementPullLevel
1039 {
1040         my($e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1041
1042         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1043
1044         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1045                 $var_name = get_pointer_to($var_name);
1046         }
1047
1048         # Only pull something if there's actually something to be pulled
1049         if (defined($ndr_flags)) {
1050                 if ($l->{TYPE} eq "SUBCONTEXT") {
1051                         my $subndr = ParseSubcontextPullStart($e, $l, $ndr, $env);
1052                         ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1053                         ParseSubcontextPullEnd($e, $l, $ndr, $env);
1054                 } elsif ($l->{TYPE} eq "ARRAY") {
1055                         my $length = ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1056
1057                         my $nl = GetNextLevel($e, $l);
1058
1059                         if (is_charset_array($e,$l)) {
1060                                 if ($l->{IS_ZERO_TERMINATED}) {
1061                                         CheckStringTerminator($ndr, $e, $l, $length);
1062                                 }
1063                                 pidl "NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));";
1064                                 return;
1065                         } elsif (has_fast_array($e, $l)) {
1066                                 if ($l->{IS_ZERO_TERMINATED}) {
1067                                         CheckStringTerminator($ndr,$e,$l,$length);
1068                                 }
1069                                 pidl "NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));";
1070                                 return;
1071                         }
1072                 } elsif ($l->{TYPE} eq "POINTER") {
1073                         ParsePtrPull($e, $l, $ndr, $var_name);
1074                 } elsif ($l->{TYPE} eq "SWITCH") {
1075                         ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1076                 } elsif ($l->{TYPE} eq "DATA") {
1077                         ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1078                 }
1079         }
1080
1081         # add additional constructions
1082         if ($l->{TYPE} eq "POINTER" and $deferred) {
1083                 if ($l->{POINTER_TYPE} ne "ref") {
1084                         pidl "if ($var_name) {";
1085                         indent;
1086
1087                         if ($l->{POINTER_TYPE} eq "relative") {
1088                                 pidl "struct ndr_pull_save _relative_save;";
1089                                 pidl "ndr_pull_save(ndr, &_relative_save);";
1090                                 pidl "NDR_CHECK(ndr_pull_relative_ptr2(ndr, $var_name));";
1091                         }
1092                 }
1093
1094                 ParseMemCtxPullStart($e, $l, $var_name);
1095
1096                 $var_name = get_value_of($var_name);
1097                 ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1098
1099                 ParseMemCtxPullEnd($e,$l);
1100
1101                 if ($l->{POINTER_TYPE} ne "ref") {
1102                         if ($l->{POINTER_TYPE} eq "relative") {
1103                                 pidl "ndr_pull_restore(ndr, &_relative_save);";
1104                         }
1105                         deindent;
1106                         pidl "}";
1107                 }
1108         } elsif ($l->{TYPE} eq "ARRAY" and
1109                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1110                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1111                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1112                 my $array_name = $var_name;
1113
1114                 $var_name = $var_name . "[$counter]";
1115
1116                 ParseMemCtxPullStart($e, $l, $array_name);
1117
1118                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1119                         my $nl = GetNextLevel($e,$l);
1120
1121                         if ($l->{IS_ZERO_TERMINATED}) {
1122                                 CheckStringTerminator($ndr,$e,$l,$length);
1123                         }
1124
1125                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
1126                         indent;
1127                         ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1128                         deindent;
1129                         pidl "}";
1130                 }
1131
1132                 if ($deferred and ContainsDeferred($e, $l)) {
1133                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
1134                         indent;
1135                         ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1136                         deindent;
1137                         pidl "}";
1138                 }
1139
1140                 ParseMemCtxPullEnd($e, $l);
1141
1142         } elsif ($l->{TYPE} eq "SWITCH") {
1143                 ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1144         }
1145 }
1146
1147 #####################################################################
1148 # parse scalars in a structure element - pull size
1149 sub ParseElementPull($$$$$)
1150 {
1151         my($e,$ndr,$env,$primitives,$deferred) = @_;
1152
1153         my $var_name = $env->{$e->{NAME}};
1154         my $represent_name;
1155         my $transmit_name;
1156
1157         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1158
1159         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1160                 pidl "{";
1161                 indent;
1162                 $represent_name = $var_name;
1163                 $transmit_name = "_transmit_$e->{NAME}";
1164                 $var_name = $transmit_name;
1165                 pidl mapTypeName($e->{TYPE})." $var_name;";
1166         }
1167
1168         $var_name = append_prefix($e, $var_name);
1169
1170         start_flags($e);
1171
1172         ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1173
1174         end_flags($e);
1175
1176         # Representation type is different from transmit_as
1177         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1178                 pidl "NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));";
1179                 deindent;
1180                 pidl "}";
1181         }
1182 }
1183
1184 #####################################################################
1185 # parse a pointer in a struct element or function
1186 sub ParsePtrPull($$$$)
1187 {
1188         my($e,$l,$ndr,$var_name) = @_;
1189
1190         my $nl = GetNextLevel($e, $l);
1191         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1192         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1193                                                  ($nl->{DATA_TYPE} eq "string"));
1194
1195         if ($l->{POINTER_TYPE} eq "ref") {
1196                 if ($l->{LEVEL} eq "EMBEDDED") {
1197                         pidl "NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));";
1198                 }
1199
1200                 if (!$next_is_array and !$next_is_string) {
1201                         pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {";
1202                         pidl "\tNDR_PULL_ALLOC($ndr, $var_name);";
1203                         pidl "}";
1204                 }
1205
1206                 return;
1207         } elsif (($l->{POINTER_TYPE} eq "unique") or
1208                  ($l->{POINTER_TYPE} eq "relative") or
1209                  ($l->{POINTER_TYPE} eq "full")) {
1210                 pidl "NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));";
1211                 pidl "if (_ptr_$e->{NAME}) {";
1212                 indent;
1213         } else {
1214                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1215         }
1216
1217         # Don't do this for arrays, they're allocated at the actual level
1218         # of the array
1219         unless ($next_is_array or $next_is_string) {
1220                 pidl "NDR_PULL_ALLOC($ndr, $var_name);";
1221         } else {
1222                 # FIXME: Yes, this is nasty.
1223                 # We allocate an array twice
1224                 # - once just to indicate that it's there,
1225                 # - then the real allocation...
1226                 pidl "NDR_PULL_ALLOC($ndr, $var_name);";
1227         }
1228
1229         #pidl "memset($var_name, 0, sizeof($var_name));";
1230         if ($l->{POINTER_TYPE} eq "relative") {
1231                 pidl "NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));";
1232         }
1233         deindent;
1234         pidl "} else {";
1235         pidl "\t$var_name = NULL;";
1236         pidl "}";
1237 }
1238
1239 sub ParseStructPushPrimitives($$$)
1240 {
1241         my ($struct, $varname, $env) = @_;
1242
1243         # see if the structure contains a conformant array. If it
1244         # does, then it must be the last element of the structure, and
1245         # we need to push the conformant length early, as it fits on
1246         # the wire before the structure (and even before the structure
1247         # alignment)
1248         if (defined($struct->{SURROUNDING_ELEMENT})) {
1249                 my $e = $struct->{SURROUNDING_ELEMENT};
1250
1251                 if (defined($e->{LEVELS}[0]) and
1252                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1253                         my $size;
1254
1255                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1256                                 if (has_property($e, "charset")) {
1257                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1258                                 } else {
1259                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1260                                 }
1261                         } else {
1262                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1263                         }
1264
1265                         pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));";
1266                 } else {
1267                         pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_string_array_size(ndr, $varname->$e->{NAME})));";
1268                 }
1269         }
1270
1271         pidl "NDR_CHECK(ndr_push_align(ndr, $struct->{ALIGN}));";
1272
1273         if (defined($struct->{PROPERTIES}{relative_base})) {
1274                 # set the current offset as base for relative pointers
1275                 # and store it based on the toplevel struct/union
1276                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1277         }
1278
1279         ParseElementPush($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1280 }
1281
1282 sub ParseStructPushDeferred($$$)
1283 {
1284         my ($struct, $varname, $env) = @_;
1285         if (defined($struct->{PROPERTIES}{relative_base})) {
1286                 # retrieve the current offset as base for relative pointers
1287                 # based on the toplevel struct/union
1288                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));";
1289         }
1290         ParseElementPush($_, "ndr", $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1291 }
1292
1293 #####################################################################
1294 # parse a struct
1295 sub ParseStructPush($$)
1296 {
1297         my ($struct, $varname) = @_;
1298
1299         return unless defined($struct->{ELEMENTS});
1300
1301         my $env = GenerateStructEnv($struct, $varname);
1302
1303         EnvSubstituteValue($env, $struct);
1304
1305         DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1306
1307         start_flags($struct);
1308
1309         pidl "if (ndr_flags & NDR_SCALARS) {";
1310         indent;
1311         ParseStructPushPrimitives($struct, $varname, $env);
1312         deindent;
1313         pidl "}";
1314
1315         pidl "if (ndr_flags & NDR_BUFFERS) {";
1316         indent;
1317         ParseStructPushDeferred($struct, $varname, $env);
1318         deindent;
1319         pidl "}";
1320
1321         end_flags($struct);
1322 }
1323
1324 #####################################################################
1325 # generate a push function for an enum
1326 sub ParseEnumPush($$)
1327 {
1328         my($enum,$varname) = @_;
1329         my($type_fn) = $enum->{BASE_TYPE};
1330
1331         start_flags($enum);
1332         pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));";
1333         end_flags($enum);
1334 }
1335
1336 #####################################################################
1337 # generate a pull function for an enum
1338 sub ParseEnumPull($$)
1339 {
1340         my($enum,$varname) = @_;
1341         my($type_fn) = $enum->{BASE_TYPE};
1342         my($type_v_decl) = mapTypeName($type_fn);
1343
1344         pidl "$type_v_decl v;";
1345         start_flags($enum);
1346         pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));";
1347         pidl "*$varname = v;";
1348
1349         end_flags($enum);
1350 }
1351
1352 #####################################################################
1353 # generate a print function for an enum
1354 sub ParseEnumPrint($$$)
1355 {
1356         my($enum,$name,$varname) = @_;
1357
1358         pidl "const char *val = NULL;";
1359         pidl "";
1360
1361         start_flags($enum);
1362
1363         pidl "switch ($varname) {";
1364         indent;
1365         my $els = \@{$enum->{ELEMENTS}};
1366         foreach my $i (0 .. $#{$els}) {
1367                 my $e = ${$els}[$i];
1368                 chomp $e;
1369                 if ($e =~ /^(.*)=/) {
1370                         $e = $1;
1371                 }
1372                 pidl "case $e: val = \"$e\"; break;";
1373         }
1374
1375         deindent;
1376         pidl "}";
1377
1378         pidl "ndr_print_enum(ndr, name, \"$enum->{TYPE}\", val, $varname);";
1379
1380         end_flags($enum);
1381 }
1382
1383 sub DeclEnum($$$$)
1384 {
1385         my ($e,$t,$name,$varname) = @_;
1386         return "enum $name " .
1387                 ($t eq "pull"?"*":"") . $varname;
1388 }
1389
1390 $typefamily{ENUM} = {
1391         DECL => \&DeclEnum,
1392         PUSH_FN_BODY => \&ParseEnumPush,
1393         PULL_FN_BODY => \&ParseEnumPull,
1394         PRINT_FN_BODY => \&ParseEnumPrint,
1395 };
1396
1397 #####################################################################
1398 # generate a push function for a bitmap
1399 sub ParseBitmapPush($$)
1400 {
1401         my($bitmap,$varname) = @_;
1402         my($type_fn) = $bitmap->{BASE_TYPE};
1403
1404         start_flags($bitmap);
1405
1406         pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));";
1407
1408         end_flags($bitmap);
1409 }
1410
1411 #####################################################################
1412 # generate a pull function for an bitmap
1413 sub ParseBitmapPull($$)
1414 {
1415         my($bitmap,$varname) = @_;
1416         my $type_fn = $bitmap->{BASE_TYPE};
1417         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1418
1419         pidl "$type_decl v;";
1420         start_flags($bitmap);
1421         pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));";
1422         pidl "*$varname = v;";
1423
1424         end_flags($bitmap);
1425 }
1426
1427 #####################################################################
1428 # generate a print function for an bitmap
1429 sub ParseBitmapPrintElement($$$$)
1430 {
1431         my($e,$bitmap,$name,$varname) = @_;
1432         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1433         my($type_fn) = $bitmap->{BASE_TYPE};
1434         my($flag);
1435
1436         if ($e =~ /^(\w+) .*$/) {
1437                 $flag = "$1";
1438         } else {
1439                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1440         }
1441
1442         pidl "ndr_print_bitmap_flag(ndr, sizeof($type_decl), \"$flag\", $flag, $varname);";
1443 }
1444
1445 #####################################################################
1446 # generate a print function for an bitmap
1447 sub ParseBitmapPrint($$$)
1448 {
1449         my($bitmap,$name,$varname) = @_;
1450         my($type_decl) = mapTypeName($bitmap->{TYPE});
1451         my($type_fn) = $bitmap->{BASE_TYPE};
1452
1453         start_flags($bitmap);
1454
1455         pidl "ndr_print_$type_fn(ndr, name, $varname);";
1456
1457         pidl "ndr->depth++;";
1458         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1459                 ParseBitmapPrintElement($e, $bitmap, $name, $varname);
1460         }
1461         pidl "ndr->depth--;";
1462
1463         end_flags($bitmap);
1464 }
1465
1466 sub DeclBitmap($$$$)
1467 {
1468         my ($e,$t,$name,$varname) = @_;
1469         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1470                 ($t eq "pull"?" *":" ") . $varname;
1471 }
1472
1473 $typefamily{BITMAP} = {
1474         DECL => \&DeclBitmap,
1475         PUSH_FN_BODY => \&ParseBitmapPush,
1476         PULL_FN_BODY => \&ParseBitmapPull,
1477         PRINT_FN_BODY => \&ParseBitmapPrint,
1478 };
1479
1480 #####################################################################
1481 # generate a struct print function
1482 sub ParseStructPrint($$$)
1483 {
1484         my($struct,$name,$varname) = @_;
1485
1486         return unless defined $struct->{ELEMENTS};
1487
1488         my $env = GenerateStructEnv($struct, $varname);
1489
1490         EnvSubstituteValue($env, $struct);
1491
1492         DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1493
1494         pidl "ndr_print_struct(ndr, name, \"$name\");";
1495
1496         start_flags($struct);
1497
1498         pidl "ndr->depth++;";
1499
1500         ParseElementPrint($_, $env->{$_->{NAME}}, $env)
1501                 foreach (@{$struct->{ELEMENTS}});
1502         pidl "ndr->depth--;";
1503
1504         end_flags($struct);
1505 }
1506
1507 sub DeclarePtrVariables($)
1508 {
1509         my $e = shift;
1510         foreach my $l (@{$e->{LEVELS}}) {
1511                 if ($l->{TYPE} eq "POINTER" and
1512                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1513                         pidl "uint32_t _ptr_$e->{NAME};";
1514                         last;
1515                 }
1516         }
1517 }
1518
1519 sub DeclareArrayVariables($)
1520 {
1521         my $e = shift;
1522
1523         foreach my $l (@{$e->{LEVELS}}) {
1524                 next if has_fast_array($e,$l);
1525                 next if is_charset_array($e,$l);
1526                 if ($l->{TYPE} eq "ARRAY") {
1527                         pidl "uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};";
1528                 }
1529         }
1530 }
1531
1532 sub need_decl_mem_ctx($$)
1533 {
1534         my ($e,$l) = @_;
1535
1536         return 0 if has_fast_array($e,$l);
1537         return 0 if is_charset_array($e,$l);
1538         return 1 if (($l->{TYPE} eq "ARRAY") and not $l->{IS_FIXED});
1539
1540         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1541                 my $nl = GetNextLevel($e, $l);
1542                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1543                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
1544                                         ($nl->{DATA_TYPE} eq "string"));
1545                 return 0 if ($next_is_array or $next_is_string);
1546         }
1547         return 1 if ($l->{TYPE} eq "POINTER");
1548
1549         return 0;
1550 }
1551
1552 sub DeclareMemCtxVariables($)
1553 {
1554         my $e = shift;
1555         foreach my $l (@{$e->{LEVELS}}) {
1556                 if (need_decl_mem_ctx($e, $l)) {
1557                         pidl "TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};";
1558                 }
1559         }
1560 }
1561
1562 sub ParseStructPullPrimitives($$$)
1563 {
1564         my($struct,$varname,$env) = @_;
1565
1566         if (defined $struct->{SURROUNDING_ELEMENT}) {
1567                 pidl "NDR_CHECK(ndr_pull_array_size(ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));";
1568         }
1569
1570         pidl "NDR_CHECK(ndr_pull_align(ndr, $struct->{ALIGN}));";
1571
1572         if (defined($struct->{PROPERTIES}{relative_base})) {
1573                 # set the current offset as base for relative pointers
1574                 # and store it based on the toplevel struct/union
1575                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1576         }
1577
1578         ParseElementPull($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1579
1580         add_deferred();
1581 }
1582
1583 sub ParseStructPullDeferred($$$)
1584 {
1585         my ($struct,$varname,$env) = @_;
1586
1587         if (defined($struct->{PROPERTIES}{relative_base})) {
1588                 # retrieve the current offset as base for relative pointers
1589                 # based on the toplevel struct/union
1590                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));";
1591         }
1592         foreach my $e (@{$struct->{ELEMENTS}}) {
1593                 ParseElementPull($e, "ndr", $env, 0, 1);
1594         }
1595
1596         add_deferred();
1597 }
1598
1599 #####################################################################
1600 # parse a struct - pull side
1601 sub ParseStructPull($$)
1602 {
1603         my($struct,$varname) = @_;
1604
1605         return unless defined $struct->{ELEMENTS};
1606
1607         # declare any internal pointers we need
1608         foreach my $e (@{$struct->{ELEMENTS}}) {
1609                 DeclarePtrVariables($e);
1610                 DeclareArrayVariables($e);
1611                 DeclareMemCtxVariables($e);
1612         }
1613
1614         start_flags($struct);
1615
1616         my $env = GenerateStructEnv($struct, $varname);
1617
1618         pidl "if (ndr_flags & NDR_SCALARS) {";
1619         indent;
1620         ParseStructPullPrimitives($struct,$varname,$env);
1621         deindent;
1622         pidl "}";
1623         pidl "if (ndr_flags & NDR_BUFFERS) {";
1624         indent;
1625         ParseStructPullDeferred($struct,$varname,$env);
1626         deindent;
1627         pidl "}";
1628
1629         end_flags($struct);
1630 }
1631
1632 #####################################################################
1633 # calculate size of ndr struct
1634 sub ParseStructNdrSize($$$)
1635 {
1636         my ($t, $name, $varname) = @_;
1637         my $sizevar;
1638
1639         if (my $flags = has_property($t, "flag")) {
1640                 pidl "flags |= $flags;";
1641         }
1642         pidl "return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);";
1643 }
1644
1645 sub DeclStruct($$$$)
1646 {
1647         my ($e,$t,$name,$varname) = @_;
1648         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1649 }
1650
1651 sub ArgsStructNdrSize($$$)
1652 {
1653         my ($d, $name, $varname) = @_;
1654         return "const struct $name *$varname, int flags";
1655 }
1656
1657 $typefamily{STRUCT} = {
1658         PUSH_FN_BODY => \&ParseStructPush,
1659         DECL => \&DeclStruct,
1660         PULL_FN_BODY => \&ParseStructPull,
1661         PRINT_FN_BODY => \&ParseStructPrint,
1662         SIZE_FN_BODY => \&ParseStructNdrSize,
1663         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1664 };
1665
1666 #####################################################################
1667 # calculate size of ndr struct
1668 sub ParseUnionNdrSize($$$)
1669 {
1670         my ($t, $name, $varname) = @_;
1671         my $sizevar;
1672
1673         if (my $flags = has_property($t, "flag")) {
1674                 pidl "flags |= $flags;";
1675         }
1676
1677         pidl "return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);";
1678 }
1679
1680 sub ParseUnionPushPrimitives($$)
1681 {
1682         my ($e, $varname) = @_;
1683
1684         my $have_default = 0;
1685
1686         pidl "int level = ndr_push_get_switch_value(ndr, $varname);";
1687
1688         if (defined($e->{SWITCH_TYPE})) {
1689                 pidl "NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}(ndr, NDR_SCALARS, level));";
1690         }
1691
1692         pidl "switch (level) {";
1693         indent;
1694         foreach my $el (@{$e->{ELEMENTS}}) {
1695                 if ($el->{CASE} eq "default") {
1696                         $have_default = 1;
1697                 }
1698                 pidl "$el->{CASE}:";
1699
1700                 if ($el->{TYPE} ne "EMPTY") {
1701                         indent;
1702                         if (defined($e->{PROPERTIES}{relative_base})) {
1703                                 pidl "NDR_CHECK(ndr_push_align(ndr, $el->{ALIGN}));";
1704                                 # set the current offset as base for relative pointers
1705                                 # and store it based on the toplevel struct/union
1706                                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1707                         }
1708                         DeclareArrayVariables($el);
1709                         ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1710                         deindent;
1711                 }
1712                 pidl "break;";
1713                 pidl "";
1714         }
1715         if (! $have_default) {
1716                 pidl "default:";
1717                 pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1718         }
1719         deindent;
1720         pidl "}";
1721 }
1722
1723 sub ParseUnionPushDeferred($$)
1724 {
1725         my ($e, $varname) = @_;
1726
1727         my $have_default = 0;
1728
1729         pidl "int level = ndr_push_get_switch_value(ndr, $varname);";
1730         if (defined($e->{PROPERTIES}{relative_base})) {
1731                 # retrieve the current offset as base for relative pointers
1732                 # based on the toplevel struct/union
1733                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));";
1734         }
1735         pidl "switch (level) {";
1736         indent;
1737         foreach my $el (@{$e->{ELEMENTS}}) {
1738                 if ($el->{CASE} eq "default") {
1739                         $have_default = 1;
1740                 }
1741
1742                 pidl "$el->{CASE}:";
1743                 if ($el->{TYPE} ne "EMPTY") {
1744                         indent;
1745                         ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1746                         deindent;
1747                 }
1748                 pidl "break;";
1749                 pidl "";
1750         }
1751         if (! $have_default) {
1752                 pidl "default:";
1753                 pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1754         }
1755         deindent;
1756         pidl "}";
1757 }
1758
1759 #####################################################################
1760 # parse a union - push side
1761 sub ParseUnionPush($$)
1762 {
1763         my ($e,$varname) = @_;
1764         my $have_default = 0;
1765
1766         start_flags($e);
1767
1768         pidl "if (ndr_flags & NDR_SCALARS) {";
1769         indent;
1770         ParseUnionPushPrimitives($e, $varname);
1771         deindent;
1772         pidl "}";
1773         pidl "if (ndr_flags & NDR_BUFFERS) {";
1774         indent;
1775         ParseUnionPushDeferred($e, $varname);
1776         deindent;
1777         pidl "}";
1778         end_flags($e);
1779 }
1780
1781 #####################################################################
1782 # print a union
1783 sub ParseUnionPrint($$$)
1784 {
1785         my ($e,$name,$varname) = @_;
1786         my $have_default = 0;
1787
1788         pidl "int level;";
1789         foreach my $el (@{$e->{ELEMENTS}}) {
1790                 DeclareArrayVariables($el);
1791         }
1792
1793         start_flags($e);
1794
1795         pidl "level = ndr_print_get_switch_value(ndr, $varname);";
1796
1797         pidl "ndr_print_union(ndr, name, level, \"$name\");";
1798
1799         pidl "switch (level) {";
1800         indent;
1801         foreach my $el (@{$e->{ELEMENTS}}) {
1802                 if ($el->{CASE} eq "default") {
1803                         $have_default = 1;
1804                 }
1805                 pidl "$el->{CASE}:";
1806                 if ($el->{TYPE} ne "EMPTY") {
1807                         indent;
1808                         ParseElementPrint($el, "$varname->$el->{NAME}", {});
1809                         deindent;
1810                 }
1811                 pidl "break;";
1812                 pidl "";
1813         }
1814         if (! $have_default) {
1815                 pidl "default:";
1816                 pidl "\tndr_print_bad_level(ndr, name, level);";
1817         }
1818         deindent;
1819         pidl "}";
1820
1821         end_flags($e);
1822 }
1823
1824 sub ParseUnionPullPrimitives($$$)
1825 {
1826         my ($e,$varname,$switch_type) = @_;
1827         my $have_default = 0;
1828
1829         if (defined($switch_type)) {
1830                 pidl "NDR_CHECK(ndr_pull_$switch_type(ndr, NDR_SCALARS, &_level));";
1831                 pidl "if (_level != level) {";
1832                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname\", _level);";
1833                 pidl "}";
1834         }
1835
1836         pidl "switch (level) {";
1837         indent;
1838         foreach my $el (@{$e->{ELEMENTS}}) {
1839                 if ($el->{CASE} eq "default") {
1840                         $have_default = 1;
1841                 }
1842                 pidl "$el->{CASE}: {";
1843
1844                 if ($el->{TYPE} ne "EMPTY") {
1845                         indent;
1846                         DeclarePtrVariables($el);
1847                         DeclareArrayVariables($el);
1848                         if (defined($e->{PROPERTIES}{relative_base})) {
1849                                 pidl "NDR_CHECK(ndr_pull_align(ndr, $el->{ALIGN}));";
1850                                 # set the current offset as base for relative pointers
1851                                 # and store it based on the toplevel struct/union
1852                                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1853                         }
1854                         ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1855                         deindent;
1856                 }
1857                 pidl "break; }";
1858                 pidl "";
1859         }
1860         if (! $have_default) {
1861                 pidl "default:";
1862                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1863         }
1864         deindent;
1865         pidl "}";
1866 }
1867
1868 sub ParseUnionPullDeferred($$)
1869 {
1870         my ($e,$varname) = @_;
1871         my $have_default = 0;
1872
1873         if (defined($e->{PROPERTIES}{relative_base})) {
1874                 # retrieve the current offset as base for relative pointers
1875                 # based on the toplevel struct/union
1876                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));";
1877         }
1878         pidl "switch (level) {";
1879         indent;
1880         foreach my $el (@{$e->{ELEMENTS}}) {
1881                 if ($el->{CASE} eq "default") {
1882                         $have_default = 1;
1883                 }
1884
1885                 pidl "$el->{CASE}:";
1886                 if ($el->{TYPE} ne "EMPTY") {
1887                         indent;
1888                         ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1889                         deindent;
1890                 }
1891                 pidl "break;";
1892                 pidl "";
1893         }
1894         if (! $have_default) {
1895                 pidl "default:";
1896                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1897         }
1898         deindent;
1899         pidl "}";
1900
1901
1902 }
1903
1904 #####################################################################
1905 # parse a union - pull side
1906 sub ParseUnionPull($$)
1907 {
1908         my ($e,$varname) = @_;
1909         my $switch_type = $e->{SWITCH_TYPE};
1910
1911         pidl "int level;";
1912         if (defined($switch_type)) {
1913                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1914                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1915                 }
1916                 pidl mapTypeName($switch_type) . " _level;";
1917         }
1918
1919         my %double_cases = ();
1920         foreach my $el (@{$e->{ELEMENTS}}) {
1921                 next if ($el->{TYPE} eq "EMPTY");
1922                 next if ($double_cases{"$el->{NAME}"});
1923                 DeclareMemCtxVariables($el);
1924                 $double_cases{"$el->{NAME}"} = 1;
1925         }
1926
1927         start_flags($e);
1928
1929         pidl "level = ndr_pull_get_switch_value(ndr, $varname);";
1930
1931         pidl "if (ndr_flags & NDR_SCALARS) {";
1932         indent;
1933         ParseUnionPullPrimitives($e,$varname,$switch_type);
1934         deindent;
1935         pidl "}";
1936
1937         pidl "if (ndr_flags & NDR_BUFFERS) {";
1938         indent;
1939         ParseUnionPullDeferred($e,$varname);
1940         deindent;
1941         pidl "}";
1942
1943         add_deferred();
1944
1945         end_flags($e);
1946 }
1947
1948 sub DeclUnion($$$$)
1949 {
1950         my ($e,$t,$name,$varname) = @_;
1951         return ($t ne "pull"?"const ":"") . "union $name *$varname";
1952 }
1953
1954 sub ArgsUnionNdrSize($$)
1955 {
1956         my ($d,$name) = @_;
1957         return "const union $name *r, uint32_t level, int flags";
1958 }
1959
1960 $typefamily{UNION} = {
1961         PUSH_FN_BODY => \&ParseUnionPush,
1962         DECL => \&DeclUnion,
1963         PULL_FN_BODY => \&ParseUnionPull,
1964         PRINT_FN_BODY => \&ParseUnionPrint,
1965         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
1966         SIZE_FN_BODY => \&ParseUnionNdrSize,
1967 };
1968
1969 #####################################################################
1970 # parse a typedef - push side
1971 sub ParseTypedefPush($$)
1972 {
1973         my($e,$varname) = @_;
1974
1975         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($e->{DATA}, $varname);
1976 }
1977
1978 #####################################################################
1979 # parse a typedef - pull side
1980 sub ParseTypedefPull($$)
1981 {
1982         my($e,$varname) = @_;
1983
1984         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($e->{DATA}, $varname);
1985 }
1986
1987 #####################################################################
1988 # parse a typedef - print side
1989 sub ParseTypedefPrint($$$)
1990 {
1991         my($e,$name,$varname) = @_;
1992
1993         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($e->{DATA}, $name, $varname);
1994 }
1995
1996 #####################################################################
1997 ## calculate the size of a structure
1998 sub ParseTypedefNdrSize($$$)
1999 {
2000         my($t,$name,$varname) = @_;
2001
2002         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($t->{DATA}, $name, $varname);
2003 }
2004
2005 sub DeclTypedef($$$$)
2006 {
2007         my ($e, $t, $name, $varname) = @_;
2008
2009         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2010 }
2011
2012 sub ArgsTypedefNdrSize($$$)
2013 {
2014         my ($d, $name, $varname) = @_;
2015         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2016 }
2017
2018 $typefamily{TYPEDEF} = {
2019         PUSH_FN_BODY => \&ParseTypedefPush,
2020         DECL => \&DeclTypedef,
2021         PULL_FN_BODY => \&ParseTypedefPull,
2022         PRINT_FN_BODY => \&ParseTypedefPrint,
2023         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2024         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2025 };
2026
2027 #####################################################################
2028 # parse a function - print side
2029 sub ParseFunctionPrint($)
2030 {
2031         my($fn) = shift;
2032
2033         pidl_hdr "void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r);";
2034
2035         return if has_property($fn, "noprint");
2036
2037         pidl "_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r)";
2038         pidl "{";
2039         indent;
2040
2041         foreach my $e (@{$fn->{ELEMENTS}}) {
2042                 DeclareArrayVariables($e);
2043         }
2044
2045         pidl "ndr_print_struct(ndr, name, \"$fn->{NAME}\");";
2046         pidl "ndr->depth++;";
2047
2048         pidl "if (flags & NDR_SET_VALUES) {";
2049         pidl "\tndr->flags |= LIBNDR_PRINT_SET_VALUES;";
2050         pidl "}";
2051
2052         pidl "if (flags & NDR_IN) {";
2053         indent;
2054         pidl "ndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");";
2055         pidl "ndr->depth++;";
2056
2057         my $env = GenerateFunctionInEnv($fn);
2058         EnvSubstituteValue($env, $fn);
2059
2060         foreach my $e (@{$fn->{ELEMENTS}}) {
2061                 if (grep(/in/,@{$e->{DIRECTION}})) {
2062                         ParseElementPrint($e, $env->{$e->{NAME}}, $env);
2063                 }
2064         }
2065         pidl "ndr->depth--;";
2066         deindent;
2067         pidl "}";
2068
2069         pidl "if (flags & NDR_OUT) {";
2070         indent;
2071         pidl "ndr_print_struct(ndr, \"out\", \"$fn->{NAME}\");";
2072         pidl "ndr->depth++;";
2073
2074         $env = GenerateFunctionOutEnv($fn);
2075         foreach my $e (@{$fn->{ELEMENTS}}) {
2076                 if (grep(/out/,@{$e->{DIRECTION}})) {
2077                         ParseElementPrint($e, $env->{$e->{NAME}}, $env);
2078                 }
2079         }
2080         if ($fn->{RETURN_TYPE}) {
2081                 pidl "ndr_print_$fn->{RETURN_TYPE}(ndr, \"result\", r->out.result);";
2082         }
2083         pidl "ndr->depth--;";
2084         deindent;
2085         pidl "}";
2086
2087         pidl "ndr->depth--;";
2088         deindent;
2089         pidl "}";
2090         pidl "";
2091 }
2092
2093 #####################################################################
2094 # parse a function
2095 sub ParseFunctionPush($)
2096 {
2097         my($fn) = shift;
2098
2099         fn_declare("push", $fn, "NTSTATUS ndr_push_$fn->{NAME}(struct ndr_push *ndr, int flags, const struct $fn->{NAME} *r)") or return;
2100
2101         return if has_property($fn, "nopush");
2102
2103         pidl "{";
2104         indent;
2105
2106         foreach my $e (@{$fn->{ELEMENTS}}) {
2107                 DeclareArrayVariables($e);
2108         }
2109
2110         pidl "if (flags & NDR_IN) {";
2111         indent;
2112
2113         my $env = GenerateFunctionInEnv($fn);
2114
2115         EnvSubstituteValue($env, $fn);
2116
2117         foreach my $e (@{$fn->{ELEMENTS}}) {
2118                 if (grep(/in/,@{$e->{DIRECTION}})) {
2119                         ParseElementPush($e, "ndr", $env, 1, 1);
2120                 }
2121         }
2122
2123         deindent;
2124         pidl "}";
2125
2126         pidl "if (flags & NDR_OUT) {";
2127         indent;
2128
2129         $env = GenerateFunctionOutEnv($fn);
2130         foreach my $e (@{$fn->{ELEMENTS}}) {
2131                 if (grep(/out/,@{$e->{DIRECTION}})) {
2132                         ParseElementPush($e, "ndr", $env, 1, 1);
2133                 }
2134         }
2135
2136         if ($fn->{RETURN_TYPE}) {
2137                 pidl "NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, r->out.result));";
2138         }
2139
2140         deindent;
2141         pidl "}";
2142         pidl "return NT_STATUS_OK;";
2143         deindent;
2144         pidl "}";
2145         pidl "";
2146 }
2147
2148 sub AllocateArrayLevel($$$$$)
2149 {
2150         my ($e,$l,$ndr,$env,$size) = @_;
2151
2152         my $var = ParseExpr($e->{NAME}, $env, $e->{ORIGINAL});
2153
2154         my $pl = GetPrevLevel($e, $l);
2155         if (defined($pl) and
2156             $pl->{TYPE} eq "POINTER" and
2157             $pl->{POINTER_TYPE} eq "ref"
2158             and not $l->{IS_ZERO_TERMINATED}) {
2159                 pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {";
2160                 pidl "\tNDR_PULL_ALLOC_N($ndr, $var, $size);";
2161                 pidl "}";
2162                 if (grep(/in/,@{$e->{DIRECTION}}) and
2163                     grep(/out/,@{$e->{DIRECTION}})) {
2164                         pidl "memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));";
2165                 }
2166                 return;
2167         }
2168
2169         pidl "NDR_PULL_ALLOC_N($ndr, $var, $size);";
2170 }
2171
2172 #####################################################################
2173 # parse a function
2174 sub ParseFunctionPull($)
2175 {
2176         my($fn) = shift;
2177
2178         # pull function args
2179         fn_declare("pull", $fn, "NTSTATUS ndr_pull_$fn->{NAME}(struct ndr_pull *ndr, int flags, struct $fn->{NAME} *r)") or return;
2180
2181         pidl "{";
2182         indent;
2183
2184         # declare any internal pointers we need
2185         foreach my $e (@{$fn->{ELEMENTS}}) {
2186                 DeclarePtrVariables($e);
2187                 DeclareArrayVariables($e);
2188         }
2189
2190         my %double_cases = ();
2191         foreach my $e (@{$fn->{ELEMENTS}}) {
2192                 next if ($e->{TYPE} eq "EMPTY");
2193                 next if ($double_cases{"$e->{NAME}"});
2194                 DeclareMemCtxVariables($e);
2195                 $double_cases{"$e->{NAME}"} = 1;
2196         }
2197
2198         pidl "if (flags & NDR_IN) {";
2199         indent;
2200
2201         # auto-init the out section of a structure. I originally argued that
2202         # this was a bad idea as it hides bugs, but coping correctly
2203         # with initialisation and not wiping ref vars is turning
2204         # out to be too tricky (tridge)
2205         foreach my $e (@{$fn->{ELEMENTS}}) {
2206                 next unless grep(/out/, @{$e->{DIRECTION}});
2207                 pidl "ZERO_STRUCT(r->out);";
2208                 pidl "";
2209                 last;
2210         }
2211
2212         my $env = GenerateFunctionInEnv($fn);
2213
2214         foreach my $e (@{$fn->{ELEMENTS}}) {
2215                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2216                 ParseElementPull($e, "ndr", $env, 1, 1);
2217         }
2218
2219         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2220         # own flag rather than be in NDR_IN ?
2221
2222         foreach my $e (@{$fn->{ELEMENTS}}) {
2223                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2224                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2225                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2226                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2227                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2228                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2229                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2230
2231                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2232                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL}, check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"),
2233                                 check_fully_dereferenced($e, $env));
2234
2235                         pidl "NDR_PULL_ALLOC_N(ndr, r->out.$e->{NAME}, $size);";
2236
2237                         if (grep(/in/, @{$e->{DIRECTION}})) {
2238                                 pidl "memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));";
2239                         } else {
2240                                 pidl "memset(r->out.$e->{NAME}, 0, $size * sizeof(*r->out.$e->{NAME}));";
2241                         }
2242                 } else {
2243                         pidl "NDR_PULL_ALLOC(ndr, r->out.$e->{NAME});";
2244
2245                         if (grep(/in/, @{$e->{DIRECTION}})) {
2246                                 pidl "*r->out.$e->{NAME} = *r->in.$e->{NAME};";
2247                         } else {
2248                                 pidl "ZERO_STRUCTP(r->out.$e->{NAME});";
2249                         }
2250                 }
2251         }
2252
2253         add_deferred();
2254         deindent;
2255         pidl "}";
2256
2257         pidl "if (flags & NDR_OUT) {";
2258         indent;
2259
2260         $env = GenerateFunctionOutEnv($fn);
2261         foreach my $e (@{$fn->{ELEMENTS}}) {
2262                 next unless grep(/out/, @{$e->{DIRECTION}});
2263                 ParseElementPull($e, "ndr", $env, 1, 1);
2264         }
2265
2266         if ($fn->{RETURN_TYPE}) {
2267                 pidl "NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, &r->out.result));";
2268         }
2269
2270         add_deferred();
2271         deindent;
2272         pidl "}";
2273
2274         pidl "return NT_STATUS_OK;";
2275         deindent;
2276         pidl "}";
2277         pidl "";
2278 }
2279
2280 #####################################################################
2281 # produce a function call table
2282 sub FunctionTable($)
2283 {
2284         my($interface) = shift;
2285         my $count = 0;
2286         my $uname = uc $interface->{NAME};
2287
2288         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2289         return unless defined ($interface->{PROPERTIES}->{uuid});
2290
2291         pidl "static const struct dcerpc_interface_call $interface->{NAME}\_calls[] = {";
2292         foreach my $d (@{$interface->{FUNCTIONS}}) {
2293                 next if not defined($d->{OPNUM});
2294                 pidl "\t{";
2295                 pidl "\t\t\"$d->{NAME}\",";
2296                 pidl "\t\tsizeof(struct $d->{NAME}),";
2297                 pidl "\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},";
2298                 pidl "\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},";
2299                 pidl "\t\t(ndr_print_function_t) ndr_print_$d->{NAME},";
2300                 pidl "\t\t".($d->{ASYNC}?"True":"False").",";
2301                 pidl "\t},";
2302                 $count++;
2303         }
2304         pidl "\t{ NULL, 0, NULL, NULL, NULL, False }";
2305         pidl "};";
2306         pidl "";
2307
2308         pidl "static const char * const $interface->{NAME}\_endpoint_strings[] = {";
2309         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2310                 pidl "\t$ep, ";
2311         }
2312         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2313
2314         pidl "};";
2315         pidl "";
2316
2317         pidl "static const struct dcerpc_endpoint_list $interface->{NAME}\_endpoints = {";
2318         pidl "\t.count\t= $endpoint_count,";
2319         pidl "\t.names\t= $interface->{NAME}\_endpoint_strings";
2320         pidl "};";
2321         pidl "";
2322
2323         if (! defined $interface->{PROPERTIES}->{authservice}) {
2324                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2325         }
2326
2327         my @a = split / /, $interface->{PROPERTIES}->{authservice};
2328         my $authservice_count = $#a + 1;
2329
2330         pidl "static const char * const $interface->{NAME}\_authservice_strings[] = {";
2331         foreach my $ap (@a) {
2332                 pidl "\t$ap, ";
2333         }
2334         pidl "};";
2335         pidl "";
2336
2337         pidl "static const struct dcerpc_authservice_list $interface->{NAME}\_authservices = {";
2338         pidl "\t.count\t= $endpoint_count,";
2339         pidl "\t.names\t= $interface->{NAME}\_authservice_strings";
2340         pidl "};";
2341         pidl "";
2342
2343         pidl "\nconst struct dcerpc_interface_table dcerpc_table_$interface->{NAME} = {";
2344         pidl "\t.name\t\t= \"$interface->{NAME}\",";
2345         pidl "\t.syntax_id\t= {";
2346         pidl "\t\t" . print_uuid($interface->{UUID}) .",";
2347         pidl "\t\tDCERPC_$uname\_VERSION";
2348         pidl "\t},";
2349         pidl "\t.helpstring\t= DCERPC_$uname\_HELPSTRING,";
2350         pidl "\t.num_calls\t= $count,";
2351         pidl "\t.calls\t\t= $interface->{NAME}\_calls,";
2352         pidl "\t.endpoints\t= &$interface->{NAME}\_endpoints,";
2353         pidl "\t.authservices\t= &$interface->{NAME}\_authservices";
2354         pidl "};";
2355         pidl "";
2356
2357 }
2358
2359 #####################################################################
2360 # generate include statements for imported idl files
2361 sub HeaderImport
2362 {
2363         my @imports = @_;
2364         foreach (@imports) {
2365                 s/\.idl\"$//;
2366                 s/^\"//;
2367                 pidl choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h");
2368         }
2369 }
2370
2371 #####################################################################
2372 # generate include statements for included header files
2373 sub HeaderInclude
2374 {
2375         my @includes = @_;
2376         foreach (@includes) {
2377                 pidl_hdr "#include $_";
2378         }
2379 }
2380
2381 #####################################################################
2382 # generate prototypes and defines for the interface definitions
2383 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2384 # NDR parser and so do not belong here, technically speaking
2385 sub HeaderInterface($)
2386 {
2387         my($interface) = shift;
2388
2389         my $count = 0;
2390
2391         pidl_hdr choose_header("librpc/ndr/libndr.h", "ndr.h");
2392
2393         if (has_property($interface, "object")) {
2394                 pidl choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h");
2395         }
2396
2397         if (defined $interface->{PROPERTIES}->{helper}) {
2398                 HeaderInclude(split / /, $interface->{PROPERTIES}->{helper});
2399         }
2400
2401         if (defined $interface->{PROPERTIES}->{uuid}) {
2402                 my $name = uc $interface->{NAME};
2403                 pidl_hdr "#define DCERPC_$name\_UUID " .
2404                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid}));
2405
2406                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2407                 pidl_hdr "#define DCERPC_$name\_VERSION $interface->{PROPERTIES}->{version}";
2408
2409                 pidl_hdr "#define DCERPC_$name\_NAME \"$interface->{NAME}\"";
2410
2411                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2412                 pidl_hdr "#define DCERPC_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}";
2413
2414                 pidl_hdr "extern const struct dcerpc_interface_table dcerpc_table_$interface->{NAME};";
2415                 pidl_hdr "NTSTATUS dcerpc_server_$interface->{NAME}_init(void);";
2416         }
2417
2418         foreach (@{$interface->{FUNCTIONS}}) {
2419                 next if has_property($_, "noopnum");
2420                 next if grep(/$_->{NAME}/,@{$interface->{INHERITED_FUNCTIONS}});
2421                 my $u_name = uc $_->{NAME};
2422
2423                 my $val = sprintf("0x%02x", $count);
2424                 if (defined($interface->{BASE})) {
2425                         $val .= " + DCERPC_" . uc $interface->{BASE} . "_CALL_COUNT";
2426                 }
2427
2428                 pidl_hdr "#define DCERPC_$u_name ($val)";
2429
2430                 pidl_hdr "";
2431                 $count++;
2432         }
2433
2434         my $val = $count;
2435
2436         if (defined($interface->{BASE})) {
2437                 $val .= " + DCERPC_" . uc $interface->{BASE} . "_CALL_COUNT";
2438         }
2439
2440         pidl_hdr "#define DCERPC_" . uc $interface->{NAME} . "_CALL_COUNT ($val)";
2441
2442 }
2443
2444 sub ParseTypePush($$$$)
2445 {
2446         my ($e, $varname, $primitives, $deferred) = @_;
2447
2448         # save the old relative_base_offset
2449         pidl "uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset(ndr);" if defined(has_property($e, "relative_base"));
2450         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($e, $varname);
2451         # restore the old relative_base_offset
2452         pidl "ndr_push_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined(has_property($e, "relative_base"));
2453 }
2454
2455 sub ParseTypePushFunction($$)
2456 {
2457         my ($e, $varname) = @_;
2458
2459         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2460         fn_declare("push", $e, "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, $args)") or return;
2461
2462         pidl "{";
2463         indent;
2464         ParseTypePush($e, $varname, 1, 1);
2465         pidl "return NT_STATUS_OK;";
2466         deindent;
2467         pidl "}";
2468         pidl "";;
2469 }
2470
2471 sub ParseTypePull($$$$)
2472 {
2473         my ($e, $varname, $primitives, $deferred) = @_;
2474
2475         # save the old relative_base_offset
2476         pidl "uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset(ndr);" if defined(has_property($e, "relative_base"));
2477         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($e, $varname);
2478         # restore the old relative_base_offset
2479         pidl "ndr_pull_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined(has_property($e, "relative_base"));
2480 }
2481
2482
2483 sub ParseTypePullFunction($$)
2484 {
2485         my ($e, $varname) = @_;
2486
2487         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2488
2489         fn_declare("pull", $e, "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, $args)") or return;
2490
2491         pidl "{";
2492         indent;
2493         ParseTypePull($e, $varname, 1, 1);
2494         pidl "return NT_STATUS_OK;";
2495         deindent;
2496         pidl "}";
2497         pidl "";
2498 }
2499
2500 sub ParseTypePrint($$)
2501 {
2502         my ($e, $varname) = @_;
2503
2504         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($e, $e->{NAME}, $varname);
2505 }
2506
2507 sub ParseTypePrintFunction($$)
2508 {
2509         my ($e, $varname) = @_;
2510         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2511
2512         pidl_hdr "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, $args);";
2513
2514         return if (has_property($e, "noprint"));
2515
2516         pidl "_PUBLIC_ void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, $args)";
2517         pidl "{";
2518         indent;
2519         ParseTypePrint($e, $varname);
2520         deindent;
2521         pidl "}";
2522         pidl "";
2523 }
2524
2525 sub ParseTypeNdrSize($)
2526 {
2527         my ($t) = @_;
2528
2529         my $varname = "r";
2530         my $tf = $typefamily{$t->{TYPE}};
2531         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2532
2533         fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2534
2535         pidl "{";
2536         indent;
2537         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($t, $t->{NAME}, $varname);
2538         deindent;
2539         pidl "}";
2540         pidl "";
2541 }
2542
2543 #####################################################################
2544 # parse the interface definitions
2545 sub ParseInterface($$)
2546 {
2547         my($interface,$needed) = @_;
2548
2549         pidl_hdr "#ifndef _HEADER_NDR_$interface->{NAME}";
2550         pidl_hdr "#define _HEADER_NDR_$interface->{NAME}";
2551
2552         pidl_hdr "";
2553
2554         if ($needed->{"compression"}) {
2555                 pidl choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h");
2556         }
2557
2558         HeaderInterface($interface);
2559
2560         # Typedefs
2561         foreach my $d (@{$interface->{TYPES}}) {
2562                 ($needed->{"push_$d->{NAME}"}) && ParseTypePushFunction($d, "r");
2563                 ($needed->{"pull_$d->{NAME}"}) && ParseTypePullFunction($d, "r");
2564                 ($needed->{"print_$d->{NAME}"}) && ParseTypePrintFunction($d, "r");
2565
2566                 # Make sure we don't generate a function twice...
2567                 $needed->{"push_$d->{NAME}"} = $needed->{"pull_$d->{NAME}"} =
2568                         $needed->{"print_$d->{NAME}"} = 0;
2569
2570                 ($needed->{"ndr_size_$d->{NAME}"}) && ParseTypeNdrSize($d);
2571         }
2572
2573         # Functions
2574         foreach my $d (@{$interface->{FUNCTIONS}}) {
2575                 ($needed->{"push_$d->{NAME}"}) && ParseFunctionPush($d);
2576                 ($needed->{"pull_$d->{NAME}"}) && ParseFunctionPull($d);
2577                 ($needed->{"print_$d->{NAME}"}) && ParseFunctionPrint($d);
2578
2579                 # Make sure we don't generate a function twice...
2580                 $needed->{"push_$d->{NAME}"} = $needed->{"pull_$d->{NAME}"} =
2581                         $needed->{"print_$d->{NAME}"} = 0;
2582         }
2583
2584         FunctionTable($interface);
2585
2586         pidl_hdr "#endif /* _HEADER_NDR_$interface->{NAME} */";
2587 }
2588
2589 sub GenerateIncludes()
2590 {
2591         if (is_intree()) {
2592                 pidl "#include \"includes.h\"";
2593         } else {
2594                 pidl "#define _GNU_SOURCE";
2595                 pidl "#include <stdint.h>";
2596                 pidl "#include <stdlib.h>";
2597                 pidl "#include <stdio.h>";
2598                 pidl "#include <stdbool.h>";
2599                 pidl "#include <stdarg.h>";
2600                 pidl "#include <string.h>";
2601         }
2602
2603         # Samba3 has everything in include/includes.h
2604         if (is_intree() != 3) {
2605                 pidl choose_header("libcli/util/nterr.h", "core/nterr.h");
2606                 pidl choose_header("librpc/gen_ndr/ndr_misc.h", "gen_ndr/ndr_misc.h");
2607                 pidl choose_header("librpc/gen_ndr/ndr_dcerpc.h", "gen_ndr/ndr_dcerpc.h");
2608                 pidl choose_header("librpc/rpc/dcerpc.h", "dcerpc.h"); #FIXME: This shouldn't be here!
2609         }
2610 }
2611
2612 #####################################################################
2613 # parse a parsed IDL structure back into an IDL file
2614 sub Parse($$$)
2615 {
2616         my($ndr,$gen_header,$ndr_header) = @_;
2617
2618         $tabs = "";
2619         $res = "";
2620
2621         $res_hdr = "";
2622         pidl_hdr "/* header auto-generated by pidl */";
2623         pidl_hdr "";
2624         pidl_hdr "#include \"$gen_header\"" if ($gen_header);
2625         pidl_hdr "";
2626
2627         pidl "/* parser auto-generated by pidl */";
2628         pidl "";
2629         GenerateIncludes();
2630         pidl "#include \"$ndr_header\"" if ($ndr_header);
2631         pidl "";
2632
2633         my %needed = ();
2634
2635         foreach (@{$ndr}) {
2636                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2637         }
2638
2639         foreach (@{$ndr}) {
2640                 ($_->{TYPE} eq "INTERFACE") && ParseInterface($_, \%needed);
2641                 ($_->{TYPE} eq "IMPORT") && HeaderImport(@{$_->{PATHS}});
2642                 ($_->{TYPE} eq "INCLUDE") && HeaderInclude(@{$_->{PATHS}});
2643         }
2644
2645         return ($res_hdr, $res);
2646 }
2647
2648 sub NeededElement($$$)
2649 {
2650         my ($e, $dir, $needed) = @_;
2651
2652         return if ($e->{TYPE} eq "EMPTY");
2653
2654         return if (ref($e->{TYPE}) eq "HASH" and
2655                        not defined($e->{TYPE}->{NAME}));
2656
2657         my ($t, $rt);
2658         if (ref($e->{TYPE}) eq "HASH") {
2659                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2660         } else {
2661                 $t = $e->{TYPE};
2662         }
2663
2664         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2665                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2666         } else {
2667                 $rt = $e->{REPRESENTATION_TYPE};
2668         }
2669
2670         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2671
2672         my @fn = ();
2673         if ($dir eq "print") {
2674                 push(@fn, "print_$rt");
2675         } elsif ($dir eq "pull") {
2676                 push (@fn, "pull_$t");
2677                 push (@fn, "ndr_$t\_to_$rt")
2678                         if ($rt ne $t);
2679         } elsif ($dir eq "push") {
2680                 push (@fn, "push_$t");
2681                 push (@fn, "ndr_$rt\_to_$t")
2682                         if ($rt ne $t);
2683         } else {
2684                 die("invalid direction `$dir'");
2685         }
2686
2687         foreach (@fn) {
2688                 unless (defined($needed->{$_})) {
2689                         $needed->{$_} = 1;
2690                 }
2691         }
2692 }
2693
2694 sub NeededFunction($$)
2695 {
2696         my ($fn,$needed) = @_;
2697         $needed->{"pull_$fn->{NAME}"} = 1;
2698         $needed->{"push_$fn->{NAME}"} = 1;
2699         $needed->{"print_$fn->{NAME}"} = 1;
2700         foreach my $e (@{$fn->{ELEMENTS}}) {
2701                 $e->{PARENT} = $fn;
2702                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
2703         }
2704 }
2705
2706 sub NeededType($$$)
2707 {
2708         sub NeededType($$$);
2709         my ($t,$needed,$req) = @_;
2710
2711         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
2712
2713         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
2714                 for my $e (@{$t->{ELEMENTS}}) {
2715                         $e->{PARENT} = $t;
2716                         if (has_property($e, "compression")) {
2717                                 $needed->{"compression"} = 1;
2718                         }
2719                         NeededElement($e, $req, $needed);
2720                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
2721                 }
2722         }
2723 }
2724
2725 #####################################################################
2726 # work out what parse functions are needed
2727 sub NeededInterface($$)
2728 {
2729         my ($interface,$needed) = @_;
2730         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
2731         foreach (reverse @{$interface->{TYPES}}) {
2732                 if (has_property($_, "public")) {
2733                         $needed->{"pull\_$_->{NAME}"} = $needed->{"push\_$_->{NAME}"} =
2734                                 $needed->{"print\_$_->{NAME}"} = 1;
2735                 }
2736
2737                 NeededType($_, $needed, "pull") if ($needed->{"pull_$_->{NAME}"});
2738                 NeededType($_, $needed, "push") if ($needed->{"push_$_->{NAME}"});
2739                 NeededType($_, $needed, "print") if ($needed->{"print_$_->{NAME}"});
2740                 if (has_property($_, "gensize")) {
2741                         $needed->{"ndr_size_$_->{NAME}"} = 1;
2742                 }
2743         }
2744 }
2745
2746 1;