source/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 $res NeededInterface TypeFunctionName);
  16
  17 use strict;
  18 use Parse::Pidl::Typelist qw(hasType getType mapTypeName);
  19 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid);
  20 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
  21 use Parse::Pidl::Samba4 qw(is_intree choose_header);
  22 use Parse::Pidl qw(warning);
  23
  24 use vars qw($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($$$$$)
 872 {
 873         my($e,$l,$ndr,$var_name,$env) = @_;
 874         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 875                 check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 876
 877         $var_name = get_pointer_to($var_name);
 878         pidl "NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));";
 879 }
 880
 881 #####################################################################
 882 # push switch element
 883 sub ParseSwitchPush($$$$$)
 884 {
 885         my($e,$l,$ndr,$var_name,$env) = @_;
 886         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 887                 check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"), check_fully_dereferenced($e, $env));
 888
 889         $var_name = get_pointer_to($var_name);
 890         pidl "NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));";
 891 }
 892
 893 sub ParseDataPull($$$$$$)
 894 {
 895         my ($e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 896
 897         if (not ref($l->{DATA_TYPE}) or
 898                 defined($l->{DATA_TYPE}->{NAME})) {
 899
 900                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 901
 902                 if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
 903                         $var_name = get_pointer_to($var_name);
 904                 }
 905
 906                 $var_name = get_pointer_to($var_name);
 907
 908                 pidl "NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));";
 909
 910                 if (my $range = has_property($e, "range")) {
 911                         $var_name = get_value_of($var_name);
 912                         my ($low, $high) = split(/ /, $range, 2);
 913                         pidl "if ($var_name < $low || $var_name > $high) {";
 914                         pidl "\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");";
 915                         pidl "}";
 916                 }
 917         } else {
 918                 ParseTypePull($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 919         }
 920 }
 921
 922 sub ParseDataPush($$$$$$)
 923 {
 924         my ($e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 925
 926         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 927                 my $t;
 928                 if (ref($l->{DATA_TYPE}) eq "HASH") {
 929                         $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 930                 } else {
 931                         $t = $l->{DATA_TYPE};
 932                 }
 933
 934                 # strings are passed by value rather than reference
 935                 if (not Parse::Pidl::Typelist::is_scalar($t) or
 936                         Parse::Pidl::Typelist::scalar_is_reference($t)) {
 937                         $var_name = get_pointer_to($var_name);
 938                 }
 939
 940                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 941                 pidl "NDR_CHECK(ndr_push_$t($ndr, $ndr_flags, $var_name));";
 942         } else {
 943                 ParseTypePush($l->{DATA_TYPE}, $var_name, $primitives, $deferred);
 944         }
 945 }
 946
 947 sub CalcNdrFlags($$$)
 948 {
 949         my ($l,$primitives,$deferred) = @_;
 950
 951         my $scalars = 0;
 952         my $buffers = 0;
 953
 954         # Add NDR_SCALARS if this one is deferred
 955         # and deferreds may be pushed
 956         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 957
 958         # Add NDR_SCALARS if this one is not deferred and
 959         # primitives may be pushed
 960         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 961
 962         # Add NDR_BUFFERS if this one contains deferred stuff
 963         # and deferreds may be pushed
 964         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 965
 966         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 967         return "NDR_SCALARS" if ($scalars);
 968         return "NDR_BUFFERS" if ($buffers);
 969         return undef;
 970 }
 971
 972 sub ParseMemCtxPullStart($$$)
 973 {
 974         my ($e, $l, $ptr_name) = @_;
 975
 976         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 977         my $mem_c_ctx = $ptr_name;
 978         my $mem_c_flags = "0";
 979
 980         return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED});
 981
 982         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
 983                 my $nl = GetNextLevel($e, $l);
 984                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
 985                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
 986                                         ($nl->{DATA_TYPE} eq "string"));
 987                 if ($next_is_array or $next_is_string) {
 988                         return;
 989                 } else {
 990                         $mem_c_flags = "LIBNDR_FLAG_REF_ALLOC";
 991                 }
 992         }
 993
 994         pidl "$mem_r_ctx = NDR_PULL_GET_MEM_CTX(ndr);";
 995         pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_c_ctx, $mem_c_flags);";
 996 }
 997
 998 sub ParseMemCtxPullEnd($$)
 999 {
1000         my $e = shift;
1001         my $l = shift;
1002
1003         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1004         my $mem_r_flags = "0";
1005
1006         return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED});
1007
1008         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1009                 my $nl = GetNextLevel($e, $l);
1010                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1011                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
1012                                         ($nl->{DATA_TYPE} eq "string"));
1013                 if ($next_is_array or $next_is_string) {
1014                         return;
1015                 } else {
1016                         $mem_r_flags = "LIBNDR_FLAG_REF_ALLOC";
1017                 }
1018         }
1019
1020         pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_r_ctx, $mem_r_flags);";
1021 }
1022
1023 sub CheckStringTerminator($$$$)
1024 {
1025         my ($ndr,$e,$l,$length) = @_;
1026         my $nl = GetNextLevel($e, $l);
1027
1028         # Make sure last element is zero!
1029         pidl "NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));";
1030 }
1031
1032 sub ParseElementPullLevel
1033 {
1034         my($e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1035
1036         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1037
1038         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1039                 $var_name = get_pointer_to($var_name);
1040         }
1041
1042         # Only pull something if there's actually something to be pulled
1043         if (defined($ndr_flags)) {
1044                 if ($l->{TYPE} eq "SUBCONTEXT") {
1045                         my $subndr = ParseSubcontextPullStart($e, $l, $ndr, $env);
1046                         ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1047                         ParseSubcontextPullEnd($e, $l, $ndr, $env);
1048                 } elsif ($l->{TYPE} eq "ARRAY") {
1049                         my $length = ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1050
1051                         my $nl = GetNextLevel($e, $l);
1052
1053                         if (is_charset_array($e,$l)) {
1054                                 if ($l->{IS_ZERO_TERMINATED}) {
1055                                         CheckStringTerminator($ndr, $e, $l, $length);
1056                                 }
1057                                 pidl "NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));";
1058                                 return;
1059                         } elsif (has_fast_array($e, $l)) {
1060                                 if ($l->{IS_ZERO_TERMINATED}) {
1061                                         CheckStringTerminator($ndr,$e,$l,$length);
1062                                 }
1063                                 pidl "NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));";
1064                                 return;
1065                         }
1066                 } elsif ($l->{TYPE} eq "POINTER") {
1067                         ParsePtrPull($e, $l, $ndr, $var_name);
1068                 } elsif ($l->{TYPE} eq "SWITCH") {
1069                         ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1070                 } elsif ($l->{TYPE} eq "DATA") {
1071                         ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1072                 }
1073         }
1074
1075         # add additional constructions
1076         if ($l->{TYPE} eq "POINTER" and $deferred) {
1077                 if ($l->{POINTER_TYPE} ne "ref") {
1078                         pidl "if ($var_name) {";
1079                         indent;
1080
1081                         if ($l->{POINTER_TYPE} eq "relative") {
1082                                 pidl "struct ndr_pull_save _relative_save;";
1083                                 pidl "ndr_pull_save(ndr, &_relative_save);";
1084                                 pidl "NDR_CHECK(ndr_pull_relative_ptr2(ndr, $var_name));";
1085                         }
1086                 }
1087
1088                 ParseMemCtxPullStart($e, $l, $var_name);
1089
1090                 $var_name = get_value_of($var_name);
1091                 ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1092
1093                 ParseMemCtxPullEnd($e,$l);
1094
1095                 if ($l->{POINTER_TYPE} ne "ref") {
1096                         if ($l->{POINTER_TYPE} eq "relative") {
1097                                 pidl "ndr_pull_restore(ndr, &_relative_save);";
1098                         }
1099                         deindent;
1100                         pidl "}";
1101                 }
1102         } elsif ($l->{TYPE} eq "ARRAY" and
1103                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1104                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1105                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1106                 my $array_name = $var_name;
1107
1108                 $var_name = $var_name . "[$counter]";
1109
1110                 ParseMemCtxPullStart($e, $l, $array_name);
1111
1112                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1113                         my $nl = GetNextLevel($e,$l);
1114
1115                         if ($l->{IS_ZERO_TERMINATED}) {
1116                                 CheckStringTerminator($ndr,$e,$l,$length);
1117                         }
1118
1119                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
1120                         indent;
1121                         ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1122                         deindent;
1123                         pidl "}";
1124                 }
1125
1126                 if ($deferred and ContainsDeferred($e, $l)) {
1127                         pidl "for ($counter = 0; $counter < $length; $counter++) {";
1128                         indent;
1129                         ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1130                         deindent;
1131                         pidl "}";
1132                 }
1133
1134                 ParseMemCtxPullEnd($e, $l);
1135
1136         } elsif ($l->{TYPE} eq "SWITCH") {
1137                 ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1138         }
1139 }
1140
1141 #####################################################################
1142 # parse scalars in a structure element - pull size
1143 sub ParseElementPull($$$$$)
1144 {
1145         my($e,$ndr,$env,$primitives,$deferred) = @_;
1146
1147         my $var_name = $env->{$e->{NAME}};
1148         my $represent_name;
1149         my $transmit_name;
1150
1151         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1152
1153         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1154                 pidl "{";
1155                 indent;
1156                 $represent_name = $var_name;
1157                 $transmit_name = "_transmit_$e->{NAME}";
1158                 $var_name = $transmit_name;
1159                 pidl mapTypeName($e->{TYPE})." $var_name;";
1160         }
1161
1162         $var_name = append_prefix($e, $var_name);
1163
1164         start_flags($e);
1165
1166         ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1167
1168         end_flags($e);
1169
1170         # Representation type is different from transmit_as
1171         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1172                 pidl "NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));";
1173                 deindent;
1174                 pidl "}";
1175         }
1176 }
1177
1178 #####################################################################
1179 # parse a pointer in a struct element or function
1180 sub ParsePtrPull($$$$)
1181 {
1182         my($e,$l,$ndr,$var_name) = @_;
1183
1184         my $nl = GetNextLevel($e, $l);
1185         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1186         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1187                                                  ($nl->{DATA_TYPE} eq "string"));
1188
1189         if ($l->{POINTER_TYPE} eq "ref") {
1190                 if ($l->{LEVEL} eq "EMBEDDED") {
1191                         pidl "NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));";
1192                 }
1193
1194                 if (!$next_is_array and !$next_is_string) {
1195                         pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {";
1196                         pidl "\tNDR_PULL_ALLOC($ndr, $var_name);";
1197                         pidl "}";
1198                 }
1199
1200                 return;
1201         } elsif (($l->{POINTER_TYPE} eq "unique") or
1202                  ($l->{POINTER_TYPE} eq "relative") or
1203                  ($l->{POINTER_TYPE} eq "full")) {
1204                 pidl "NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));";
1205                 pidl "if (_ptr_$e->{NAME}) {";
1206                 indent;
1207         } else {
1208                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1209         }
1210
1211         # Don't do this for arrays, they're allocated at the actual level
1212         # of the array
1213         unless ($next_is_array or $next_is_string) {
1214                 pidl "NDR_PULL_ALLOC($ndr, $var_name);";
1215         } else {
1216                 # FIXME: Yes, this is nasty.
1217                 # We allocate an array twice
1218                 # - once just to indicate that it's there,
1219                 # - then the real allocation...
1220                 pidl "NDR_PULL_ALLOC($ndr, $var_name);";
1221         }
1222
1223         #pidl "memset($var_name, 0, sizeof($var_name));";
1224         if ($l->{POINTER_TYPE} eq "relative") {
1225                 pidl "NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));";
1226         }
1227         deindent;
1228         pidl "} else {";
1229         pidl "\t$var_name = NULL;";
1230         pidl "}";
1231 }
1232
1233 sub ParseStructPushPrimitives($$$)
1234 {
1235         my ($struct, $varname, $env) = @_;
1236
1237         # see if the structure contains a conformant array. If it
1238         # does, then it must be the last element of the structure, and
1239         # we need to push the conformant length early, as it fits on
1240         # the wire before the structure (and even before the structure
1241         # alignment)
1242         if (defined($struct->{SURROUNDING_ELEMENT})) {
1243                 my $e = $struct->{SURROUNDING_ELEMENT};
1244
1245                 if (defined($e->{LEVELS}[0]) and
1246                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1247                         my $size;
1248
1249                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1250                                 if (has_property($e, "charset")) {
1251                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1252                                 } else {
1253                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1254                                 }
1255                         } else {
1256                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1257                         }
1258
1259                         pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));";
1260                 } else {
1261                         pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_string_array_size(ndr, $varname->$e->{NAME})));";
1262                 }
1263         }
1264
1265         pidl "NDR_CHECK(ndr_push_align(ndr, $struct->{ALIGN}));";
1266
1267         if (defined($struct->{PROPERTIES}{relative_base})) {
1268                 # set the current offset as base for relative pointers
1269                 # and store it based on the toplevel struct/union
1270                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1271         }
1272
1273         ParseElementPush($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1274 }
1275
1276 sub ParseStructPushDeferred($$$)
1277 {
1278         my ($struct, $varname, $env) = @_;
1279         if (defined($struct->{PROPERTIES}{relative_base})) {
1280                 # retrieve the current offset as base for relative pointers
1281                 # based on the toplevel struct/union
1282                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));";
1283         }
1284         ParseElementPush($_, "ndr", $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1285 }
1286
1287 #####################################################################
1288 # parse a struct
1289 sub ParseStructPush($$)
1290 {
1291         my ($struct, $varname) = @_;
1292
1293         return unless defined($struct->{ELEMENTS});
1294
1295         my $env = GenerateStructEnv($struct, $varname);
1296
1297         EnvSubstituteValue($env, $struct);
1298
1299         DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1300
1301         start_flags($struct);
1302
1303         pidl "if (ndr_flags & NDR_SCALARS) {";
1304         indent;
1305         ParseStructPushPrimitives($struct, $varname, $env);
1306         deindent;
1307         pidl "}";
1308
1309         pidl "if (ndr_flags & NDR_BUFFERS) {";
1310         indent;
1311         ParseStructPushDeferred($struct, $varname, $env);
1312         deindent;
1313         pidl "}";
1314
1315         end_flags($struct);
1316 }
1317
1318 #####################################################################
1319 # generate a push function for an enum
1320 sub ParseEnumPush($$)
1321 {
1322         my($enum,$varname) = @_;
1323         my($type_fn) = $enum->{BASE_TYPE};
1324
1325         start_flags($enum);
1326         pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));";
1327         end_flags($enum);
1328 }
1329
1330 #####################################################################
1331 # generate a pull function for an enum
1332 sub ParseEnumPull($$)
1333 {
1334         my($enum,$varname) = @_;
1335         my($type_fn) = $enum->{BASE_TYPE};
1336         my($type_v_decl) = mapTypeName($type_fn);
1337
1338         pidl "$type_v_decl v;";
1339         start_flags($enum);
1340         pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));";
1341         pidl "*$varname = v;";
1342
1343         end_flags($enum);
1344 }
1345
1346 #####################################################################
1347 # generate a print function for an enum
1348 sub ParseEnumPrint($$$)
1349 {
1350         my($enum,$name,$varname) = @_;
1351
1352         pidl "const char *val = NULL;";
1353         pidl "";
1354
1355         start_flags($enum);
1356
1357         pidl "switch ($varname) {";
1358         indent;
1359         my $els = \@{$enum->{ELEMENTS}};
1360         foreach my $i (0 .. $#{$els}) {
1361                 my $e = ${$els}[$i];
1362                 chomp $e;
1363                 if ($e =~ /^(.*)=/) {
1364                         $e = $1;
1365                 }
1366                 pidl "case $e: val = \"$e\"; break;";
1367         }
1368
1369         deindent;
1370         pidl "}";
1371
1372         pidl "ndr_print_enum(ndr, name, \"$enum->{TYPE}\", val, $varname);";
1373
1374         end_flags($enum);
1375 }
1376
1377 sub DeclEnum($$$$)
1378 {
1379         my ($e,$t,$name,$varname) = @_;
1380         return "enum $name " .
1381                 ($t eq "pull"?"*":"") . $varname;
1382 }
1383
1384 $typefamily{ENUM} = {
1385         DECL => \&DeclEnum,
1386         PUSH_FN_BODY => \&ParseEnumPush,
1387         PULL_FN_BODY => \&ParseEnumPull,
1388         PRINT_FN_BODY => \&ParseEnumPrint,
1389 };
1390
1391 #####################################################################
1392 # generate a push function for a bitmap
1393 sub ParseBitmapPush($$)
1394 {
1395         my($bitmap,$varname) = @_;
1396         my($type_fn) = $bitmap->{BASE_TYPE};
1397
1398         start_flags($bitmap);
1399
1400         pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, $varname));";
1401
1402         end_flags($bitmap);
1403 }
1404
1405 #####################################################################
1406 # generate a pull function for an bitmap
1407 sub ParseBitmapPull($$)
1408 {
1409         my($bitmap,$varname) = @_;
1410         my $type_fn = $bitmap->{BASE_TYPE};
1411         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1412
1413         pidl "$type_decl v;";
1414         start_flags($bitmap);
1415         pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));";
1416         pidl "*$varname = v;";
1417
1418         end_flags($bitmap);
1419 }
1420
1421 #####################################################################
1422 # generate a print function for an bitmap
1423 sub ParseBitmapPrintElement($$$$)
1424 {
1425         my($e,$bitmap,$name,$varname) = @_;
1426         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1427         my($type_fn) = $bitmap->{BASE_TYPE};
1428         my($flag);
1429
1430         if ($e =~ /^(\w+) .*$/) {
1431                 $flag = "$1";
1432         } else {
1433                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1434         }
1435
1436         pidl "ndr_print_bitmap_flag(ndr, sizeof($type_decl), \"$flag\", $flag, $varname);";
1437 }
1438
1439 #####################################################################
1440 # generate a print function for an bitmap
1441 sub ParseBitmapPrint($$$)
1442 {
1443         my($bitmap,$name,$varname) = @_;
1444         my($type_decl) = mapTypeName($bitmap->{TYPE});
1445         my($type_fn) = $bitmap->{BASE_TYPE};
1446
1447         start_flags($bitmap);
1448
1449         pidl "ndr_print_$type_fn(ndr, name, $varname);";
1450
1451         pidl "ndr->depth++;";
1452         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1453                 ParseBitmapPrintElement($e, $bitmap, $name, $varname);
1454         }
1455         pidl "ndr->depth--;";
1456
1457         end_flags($bitmap);
1458 }
1459
1460 sub DeclBitmap($$$$)
1461 {
1462         my ($e,$t,$name,$varname) = @_;
1463         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1464                 ($t eq "pull"?" *":" ") . $varname;
1465 }
1466
1467 $typefamily{BITMAP} = {
1468         DECL => \&DeclBitmap,
1469         PUSH_FN_BODY => \&ParseBitmapPush,
1470         PULL_FN_BODY => \&ParseBitmapPull,
1471         PRINT_FN_BODY => \&ParseBitmapPrint,
1472 };
1473
1474 #####################################################################
1475 # generate a struct print function
1476 sub ParseStructPrint($$$)
1477 {
1478         my($struct,$name,$varname) = @_;
1479
1480         return unless defined $struct->{ELEMENTS};
1481
1482         my $env = GenerateStructEnv($struct, $varname);
1483
1484         EnvSubstituteValue($env, $struct);
1485
1486         DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1487
1488         pidl "ndr_print_struct(ndr, name, \"$name\");";
1489
1490         start_flags($struct);
1491
1492         pidl "ndr->depth++;";
1493
1494         ParseElementPrint($_, $env->{$_->{NAME}}, $env)
1495                 foreach (@{$struct->{ELEMENTS}});
1496         pidl "ndr->depth--;";
1497
1498         end_flags($struct);
1499 }
1500
1501 sub DeclarePtrVariables($)
1502 {
1503         my $e = shift;
1504         foreach my $l (@{$e->{LEVELS}}) {
1505                 if ($l->{TYPE} eq "POINTER" and
1506                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1507                         pidl "uint32_t _ptr_$e->{NAME};";
1508                         last;
1509                 }
1510         }
1511 }
1512
1513 sub DeclareArrayVariables($)
1514 {
1515         my $e = shift;
1516
1517         foreach my $l (@{$e->{LEVELS}}) {
1518                 next if has_fast_array($e,$l);
1519                 next if is_charset_array($e,$l);
1520                 if ($l->{TYPE} eq "ARRAY") {
1521                         pidl "uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};";
1522                 }
1523         }
1524 }
1525
1526 sub need_decl_mem_ctx($$)
1527 {
1528         my ($e,$l) = @_;
1529
1530         return 0 if has_fast_array($e,$l);
1531         return 0 if is_charset_array($e,$l);
1532         return 1 if (($l->{TYPE} eq "ARRAY") and not $l->{IS_FIXED});
1533
1534         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1535                 my $nl = GetNextLevel($e, $l);
1536                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1537                 my $next_is_string = (($nl->{TYPE} eq "DATA") and
1538                                         ($nl->{DATA_TYPE} eq "string"));
1539                 return 0 if ($next_is_array or $next_is_string);
1540         }
1541         return 1 if ($l->{TYPE} eq "POINTER");
1542
1543         return 0;
1544 }
1545
1546 sub DeclareMemCtxVariables($)
1547 {
1548         my $e = shift;
1549         foreach my $l (@{$e->{LEVELS}}) {
1550                 if (need_decl_mem_ctx($e, $l)) {
1551                         pidl "TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};";
1552                 }
1553         }
1554 }
1555
1556 sub ParseStructPullPrimitives($$$)
1557 {
1558         my($struct,$varname,$env) = @_;
1559
1560         if (defined $struct->{SURROUNDING_ELEMENT}) {
1561                 pidl "NDR_CHECK(ndr_pull_array_size(ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));";
1562         }
1563
1564         pidl "NDR_CHECK(ndr_pull_align(ndr, $struct->{ALIGN}));";
1565
1566         if (defined($struct->{PROPERTIES}{relative_base})) {
1567                 # set the current offset as base for relative pointers
1568                 # and store it based on the toplevel struct/union
1569                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1570         }
1571
1572         ParseElementPull($_, "ndr", $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1573
1574         add_deferred();
1575 }
1576
1577 sub ParseStructPullDeferred($$$)
1578 {
1579         my ($struct,$varname,$env) = @_;
1580
1581         if (defined($struct->{PROPERTIES}{relative_base})) {
1582                 # retrieve the current offset as base for relative pointers
1583                 # based on the toplevel struct/union
1584                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));";
1585         }
1586         foreach my $e (@{$struct->{ELEMENTS}}) {
1587                 ParseElementPull($e, "ndr", $env, 0, 1);
1588         }
1589
1590         add_deferred();
1591 }
1592
1593 #####################################################################
1594 # parse a struct - pull side
1595 sub ParseStructPull($$)
1596 {
1597         my($struct,$varname) = @_;
1598
1599         return unless defined $struct->{ELEMENTS};
1600
1601         # declare any internal pointers we need
1602         foreach my $e (@{$struct->{ELEMENTS}}) {
1603                 DeclarePtrVariables($e);
1604                 DeclareArrayVariables($e);
1605                 DeclareMemCtxVariables($e);
1606         }
1607
1608         start_flags($struct);
1609
1610         my $env = GenerateStructEnv($struct, $varname);
1611
1612         pidl "if (ndr_flags & NDR_SCALARS) {";
1613         indent;
1614         ParseStructPullPrimitives($struct,$varname,$env);
1615         deindent;
1616         pidl "}";
1617         pidl "if (ndr_flags & NDR_BUFFERS) {";
1618         indent;
1619         ParseStructPullDeferred($struct,$varname,$env);
1620         deindent;
1621         pidl "}";
1622
1623         end_flags($struct);
1624 }
1625
1626 #####################################################################
1627 # calculate size of ndr struct
1628 sub ParseStructNdrSize($$$)
1629 {
1630         my ($t, $name, $varname) = @_;
1631         my $sizevar;
1632
1633         if (my $flags = has_property($t, "flag")) {
1634                 pidl "flags |= $flags;";
1635         }
1636         pidl "return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);";
1637 }
1638
1639 sub DeclStruct($$$$)
1640 {
1641         my ($e,$t,$name,$varname) = @_;
1642         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1643 }
1644
1645 sub ArgsStructNdrSize($$$)
1646 {
1647         my ($d, $name, $varname) = @_;
1648         return "const struct $name *$varname, int flags";
1649 }
1650
1651 $typefamily{STRUCT} = {
1652         PUSH_FN_BODY => \&ParseStructPush,
1653         DECL => \&DeclStruct,
1654         PULL_FN_BODY => \&ParseStructPull,
1655         PRINT_FN_BODY => \&ParseStructPrint,
1656         SIZE_FN_BODY => \&ParseStructNdrSize,
1657         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1658 };
1659
1660 #####################################################################
1661 # calculate size of ndr struct
1662 sub ParseUnionNdrSize($$$)
1663 {
1664         my ($t, $name, $varname) = @_;
1665         my $sizevar;
1666
1667         if (my $flags = has_property($t, "flag")) {
1668                 pidl "flags |= $flags;";
1669         }
1670
1671         pidl "return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);";
1672 }
1673
1674 sub ParseUnionPushPrimitives($$)
1675 {
1676         my ($e, $varname) = @_;
1677
1678         my $have_default = 0;
1679
1680         pidl "int level = ndr_push_get_switch_value(ndr, $varname);";
1681
1682         if (defined($e->{SWITCH_TYPE})) {
1683                 pidl "NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}(ndr, NDR_SCALARS, level));";
1684         }
1685
1686         pidl "switch (level) {";
1687         indent;
1688         foreach my $el (@{$e->{ELEMENTS}}) {
1689                 if ($el->{CASE} eq "default") {
1690                         $have_default = 1;
1691                 }
1692                 pidl "$el->{CASE}:";
1693
1694                 if ($el->{TYPE} ne "EMPTY") {
1695                         indent;
1696                         if (defined($e->{PROPERTIES}{relative_base})) {
1697                                 pidl "NDR_CHECK(ndr_push_align(ndr, $el->{ALIGN}));";
1698                                 # set the current offset as base for relative pointers
1699                                 # and store it based on the toplevel struct/union
1700                                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1701                         }
1702                         DeclareArrayVariables($el);
1703                         ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1704                         deindent;
1705                 }
1706                 pidl "break;";
1707                 pidl "";
1708         }
1709         if (! $have_default) {
1710                 pidl "default:";
1711                 pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1712         }
1713         deindent;
1714         pidl "}";
1715 }
1716
1717 sub ParseUnionPushDeferred($$)
1718 {
1719         my ($e, $varname) = @_;
1720
1721         my $have_default = 0;
1722
1723         pidl "int level = ndr_push_get_switch_value(ndr, $varname);";
1724         if (defined($e->{PROPERTIES}{relative_base})) {
1725                 # retrieve the current offset as base for relative pointers
1726                 # based on the toplevel struct/union
1727                 pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, $varname));";
1728         }
1729         pidl "switch (level) {";
1730         indent;
1731         foreach my $el (@{$e->{ELEMENTS}}) {
1732                 if ($el->{CASE} eq "default") {
1733                         $have_default = 1;
1734                 }
1735
1736                 pidl "$el->{CASE}:";
1737                 if ($el->{TYPE} ne "EMPTY") {
1738                         indent;
1739                         ParseElementPush($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1740                         deindent;
1741                 }
1742                 pidl "break;";
1743                 pidl "";
1744         }
1745         if (! $have_default) {
1746                 pidl "default:";
1747                 pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1748         }
1749         deindent;
1750         pidl "}";
1751 }
1752
1753 #####################################################################
1754 # parse a union - push side
1755 sub ParseUnionPush($$)
1756 {
1757         my ($e,$varname) = @_;
1758         my $have_default = 0;
1759
1760         start_flags($e);
1761
1762         pidl "if (ndr_flags & NDR_SCALARS) {";
1763         indent;
1764         ParseUnionPushPrimitives($e, $varname);
1765         deindent;
1766         pidl "}";
1767         pidl "if (ndr_flags & NDR_BUFFERS) {";
1768         indent;
1769         ParseUnionPushDeferred($e, $varname);
1770         deindent;
1771         pidl "}";
1772         end_flags($e);
1773 }
1774
1775 #####################################################################
1776 # print a union
1777 sub ParseUnionPrint($$$)
1778 {
1779         my ($e,$name,$varname) = @_;
1780         my $have_default = 0;
1781
1782         pidl "int level;";
1783         foreach my $el (@{$e->{ELEMENTS}}) {
1784                 DeclareArrayVariables($el);
1785         }
1786
1787         start_flags($e);
1788
1789         pidl "level = ndr_print_get_switch_value(ndr, $varname);";
1790
1791         pidl "ndr_print_union(ndr, name, level, \"$name\");";
1792
1793         pidl "switch (level) {";
1794         indent;
1795         foreach my $el (@{$e->{ELEMENTS}}) {
1796                 if ($el->{CASE} eq "default") {
1797                         $have_default = 1;
1798                 }
1799                 pidl "$el->{CASE}:";
1800                 if ($el->{TYPE} ne "EMPTY") {
1801                         indent;
1802                         ParseElementPrint($el, "$varname->$el->{NAME}", {});
1803                         deindent;
1804                 }
1805                 pidl "break;";
1806                 pidl "";
1807         }
1808         if (! $have_default) {
1809                 pidl "default:";
1810                 pidl "\tndr_print_bad_level(ndr, name, level);";
1811         }
1812         deindent;
1813         pidl "}";
1814
1815         end_flags($e);
1816 }
1817
1818 sub ParseUnionPullPrimitives($$$)
1819 {
1820         my ($e,$varname,$switch_type) = @_;
1821         my $have_default = 0;
1822
1823         if (defined($switch_type)) {
1824                 pidl "NDR_CHECK(ndr_pull_$switch_type(ndr, NDR_SCALARS, &_level));";
1825                 pidl "if (_level != level) {";
1826                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname\", _level);";
1827                 pidl "}";
1828         }
1829
1830         pidl "switch (level) {";
1831         indent;
1832         foreach my $el (@{$e->{ELEMENTS}}) {
1833                 if ($el->{CASE} eq "default") {
1834                         $have_default = 1;
1835                 }
1836                 pidl "$el->{CASE}: {";
1837
1838                 if ($el->{TYPE} ne "EMPTY") {
1839                         indent;
1840                         DeclarePtrVariables($el);
1841                         DeclareArrayVariables($el);
1842                         if (defined($e->{PROPERTIES}{relative_base})) {
1843                                 pidl "NDR_CHECK(ndr_pull_align(ndr, $el->{ALIGN}));";
1844                                 # set the current offset as base for relative pointers
1845                                 # and store it based on the toplevel struct/union
1846                                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, $varname, ndr->offset));";
1847                         }
1848                         ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1849                         deindent;
1850                 }
1851                 pidl "break; }";
1852                 pidl "";
1853         }
1854         if (! $have_default) {
1855                 pidl "default:";
1856                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1857         }
1858         deindent;
1859         pidl "}";
1860 }
1861
1862 sub ParseUnionPullDeferred($$)
1863 {
1864         my ($e,$varname) = @_;
1865         my $have_default = 0;
1866
1867         if (defined($e->{PROPERTIES}{relative_base})) {
1868                 # retrieve the current offset as base for relative pointers
1869                 # based on the toplevel struct/union
1870                 pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, $varname));";
1871         }
1872         pidl "switch (level) {";
1873         indent;
1874         foreach my $el (@{$e->{ELEMENTS}}) {
1875                 if ($el->{CASE} eq "default") {
1876                         $have_default = 1;
1877                 }
1878
1879                 pidl "$el->{CASE}:";
1880                 if ($el->{TYPE} ne "EMPTY") {
1881                         indent;
1882                         ParseElementPull($el, "ndr", {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1883                         deindent;
1884                 }
1885                 pidl "break;";
1886                 pidl "";
1887         }
1888         if (! $have_default) {
1889                 pidl "default:";
1890                 pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);";
1891         }
1892         deindent;
1893         pidl "}";
1894
1895
1896 }
1897
1898 #####################################################################
1899 # parse a union - pull side
1900 sub ParseUnionPull($$)
1901 {
1902         my ($e,$varname) = @_;
1903         my $switch_type = $e->{SWITCH_TYPE};
1904
1905         pidl "int level;";
1906         if (defined($switch_type)) {
1907                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1908                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1909                 }
1910                 pidl mapTypeName($switch_type) . " _level;";
1911         }
1912
1913         my %double_cases = ();
1914         foreach my $el (@{$e->{ELEMENTS}}) {
1915                 next if ($el->{TYPE} eq "EMPTY");
1916                 next if ($double_cases{"$el->{NAME}"});
1917                 DeclareMemCtxVariables($el);
1918                 $double_cases{"$el->{NAME}"} = 1;
1919         }
1920
1921         start_flags($e);
1922
1923         pidl "level = ndr_pull_get_switch_value(ndr, $varname);";
1924
1925         pidl "if (ndr_flags & NDR_SCALARS) {";
1926         indent;
1927         ParseUnionPullPrimitives($e,$varname,$switch_type);
1928         deindent;
1929         pidl "}";
1930
1931         pidl "if (ndr_flags & NDR_BUFFERS) {";
1932         indent;
1933         ParseUnionPullDeferred($e,$varname);
1934         deindent;
1935         pidl "}";
1936
1937         add_deferred();
1938
1939         end_flags($e);
1940 }
1941
1942 sub DeclUnion($$$$)
1943 {
1944         my ($e,$t,$name,$varname) = @_;
1945         return ($t ne "pull"?"const ":"") . "union $name *$varname";
1946 }
1947
1948 sub ArgsUnionNdrSize($$)
1949 {
1950         my ($d,$name) = @_;
1951         return "const union $name *r, uint32_t level, int flags";
1952 }
1953
1954 $typefamily{UNION} = {
1955         PUSH_FN_BODY => \&ParseUnionPush,
1956         DECL => \&DeclUnion,
1957         PULL_FN_BODY => \&ParseUnionPull,
1958         PRINT_FN_BODY => \&ParseUnionPrint,
1959         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
1960         SIZE_FN_BODY => \&ParseUnionNdrSize,
1961 };
1962
1963 #####################################################################
1964 # parse a typedef - push side
1965 sub ParseTypedefPush($$)
1966 {
1967         my($e,$varname) = @_;
1968
1969         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($e->{DATA}, $varname);
1970 }
1971
1972 #####################################################################
1973 # parse a typedef - pull side
1974 sub ParseTypedefPull($$)
1975 {
1976         my($e,$varname) = @_;
1977
1978         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($e->{DATA}, $varname);
1979 }
1980
1981 #####################################################################
1982 # parse a typedef - print side
1983 sub ParseTypedefPrint($$$)
1984 {
1985         my($e,$name,$varname) = @_;
1986
1987         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($e->{DATA}, $name, $varname);
1988 }
1989
1990 #####################################################################
1991 ## calculate the size of a structure
1992 sub ParseTypedefNdrSize($$$)
1993 {
1994         my($t,$name,$varname) = @_;
1995
1996         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($t->{DATA}, $name, $varname);
1997 }
1998
1999 sub DeclTypedef($$$$)
2000 {
2001         my ($e, $t, $name, $varname) = @_;
2002
2003         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2004 }
2005
2006 sub ArgsTypedefNdrSize($$$)
2007 {
2008         my ($d, $name, $varname) = @_;
2009         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2010 }
2011
2012 $typefamily{TYPEDEF} = {
2013         PUSH_FN_BODY => \&ParseTypedefPush,
2014         DECL => \&DeclTypedef,
2015         PULL_FN_BODY => \&ParseTypedefPull,
2016         PRINT_FN_BODY => \&ParseTypedefPrint,
2017         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2018         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2019 };
2020
2021 #####################################################################
2022 # parse a function - print side
2023 sub ParseFunctionPrint($)
2024 {
2025         my($fn) = shift;
2026
2027         pidl_hdr "void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r);";
2028
2029         return if has_property($fn, "noprint");
2030
2031         pidl "_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r)";
2032         pidl "{";
2033         indent;
2034
2035         foreach my $e (@{$fn->{ELEMENTS}}) {
2036                 DeclareArrayVariables($e);
2037         }
2038
2039         pidl "ndr_print_struct(ndr, name, \"$fn->{NAME}\");";
2040         pidl "ndr->depth++;";
2041
2042         pidl "if (flags & NDR_SET_VALUES) {";
2043         pidl "\tndr->flags |= LIBNDR_PRINT_SET_VALUES;";
2044         pidl "}";
2045
2046         pidl "if (flags & NDR_IN) {";
2047         indent;
2048         pidl "ndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");";
2049         pidl "ndr->depth++;";
2050
2051         my $env = GenerateFunctionInEnv($fn);
2052         EnvSubstituteValue($env, $fn);
2053
2054         foreach my $e (@{$fn->{ELEMENTS}}) {
2055                 if (grep(/in/,@{$e->{DIRECTION}})) {
2056                         ParseElementPrint($e, $env->{$e->{NAME}}, $env);
2057                 }
2058         }
2059         pidl "ndr->depth--;";
2060         deindent;
2061         pidl "}";
2062
2063         pidl "if (flags & NDR_OUT) {";
2064         indent;
2065         pidl "ndr_print_struct(ndr, \"out\", \"$fn->{NAME}\");";
2066         pidl "ndr->depth++;";
2067
2068         $env = GenerateFunctionOutEnv($fn);
2069         foreach my $e (@{$fn->{ELEMENTS}}) {
2070                 if (grep(/out/,@{$e->{DIRECTION}})) {
2071                         ParseElementPrint($e, $env->{$e->{NAME}}, $env);
2072                 }
2073         }
2074         if ($fn->{RETURN_TYPE}) {
2075                 pidl "ndr_print_$fn->{RETURN_TYPE}(ndr, \"result\", r->out.result);";
2076         }
2077         pidl "ndr->depth--;";
2078         deindent;
2079         pidl "}";
2080
2081         pidl "ndr->depth--;";
2082         deindent;
2083         pidl "}";
2084         pidl "";
2085 }
2086
2087 #####################################################################
2088 # parse a function
2089 sub ParseFunctionPush($)
2090 {
2091         my($fn) = shift;
2092
2093         fn_declare("push", $fn, "NTSTATUS ndr_push_$fn->{NAME}(struct ndr_push *ndr, int flags, const struct $fn->{NAME} *r)") or return;
2094
2095         return if has_property($fn, "nopush");
2096
2097         pidl "{";
2098         indent;
2099
2100         foreach my $e (@{$fn->{ELEMENTS}}) {
2101                 DeclareArrayVariables($e);
2102         }
2103
2104         pidl "if (flags & NDR_IN) {";
2105         indent;
2106
2107         my $env = GenerateFunctionInEnv($fn);
2108
2109         EnvSubstituteValue($env, $fn);
2110
2111         foreach my $e (@{$fn->{ELEMENTS}}) {
2112                 if (grep(/in/,@{$e->{DIRECTION}})) {
2113                         ParseElementPush($e, "ndr", $env, 1, 1);
2114                 }
2115         }
2116
2117         deindent;
2118         pidl "}";
2119
2120         pidl "if (flags & NDR_OUT) {";
2121         indent;
2122
2123         $env = GenerateFunctionOutEnv($fn);
2124         foreach my $e (@{$fn->{ELEMENTS}}) {
2125                 if (grep(/out/,@{$e->{DIRECTION}})) {
2126                         ParseElementPush($e, "ndr", $env, 1, 1);
2127                 }
2128         }
2129
2130         if ($fn->{RETURN_TYPE}) {
2131                 pidl "NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, r->out.result));";
2132         }
2133
2134         deindent;
2135         pidl "}";
2136         pidl "return NT_STATUS_OK;";
2137         deindent;
2138         pidl "}";
2139         pidl "";
2140 }
2141
2142 sub AllocateArrayLevel($$$$$)
2143 {
2144         my ($e,$l,$ndr,$env,$size) = @_;
2145
2146         my $var = ParseExpr($e->{NAME}, $env, $e->{ORIGINAL});
2147
2148         my $pl = GetPrevLevel($e, $l);
2149         if (defined($pl) and
2150             $pl->{TYPE} eq "POINTER" and
2151             $pl->{POINTER_TYPE} eq "ref"
2152             and not $l->{IS_ZERO_TERMINATED}) {
2153                 pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {";
2154                 pidl "\tNDR_PULL_ALLOC_N($ndr, $var, $size);";
2155                 pidl "}";
2156                 if (grep(/in/,@{$e->{DIRECTION}}) and
2157                     grep(/out/,@{$e->{DIRECTION}})) {
2158                         pidl "memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));";
2159                 }
2160                 return;
2161         }
2162
2163         pidl "NDR_PULL_ALLOC_N($ndr, $var, $size);";
2164 }
2165
2166 #####################################################################
2167 # parse a function
2168 sub ParseFunctionPull($)
2169 {
2170         my($fn) = shift;
2171
2172         # pull function args
2173         fn_declare("pull", $fn, "NTSTATUS ndr_pull_$fn->{NAME}(struct ndr_pull *ndr, int flags, struct $fn->{NAME} *r)") or return;
2174
2175         pidl "{";
2176         indent;
2177
2178         # declare any internal pointers we need
2179         foreach my $e (@{$fn->{ELEMENTS}}) {
2180                 DeclarePtrVariables($e);
2181                 DeclareArrayVariables($e);
2182         }
2183
2184         my %double_cases = ();
2185         foreach my $e (@{$fn->{ELEMENTS}}) {
2186                 next if ($e->{TYPE} eq "EMPTY");
2187                 next if ($double_cases{"$e->{NAME}"});
2188                 DeclareMemCtxVariables($e);
2189                 $double_cases{"$e->{NAME}"} = 1;
2190         }
2191
2192         pidl "if (flags & NDR_IN) {";
2193         indent;
2194
2195         # auto-init the out section of a structure. I originally argued that
2196         # this was a bad idea as it hides bugs, but coping correctly
2197         # with initialisation and not wiping ref vars is turning
2198         # out to be too tricky (tridge)
2199         foreach my $e (@{$fn->{ELEMENTS}}) {
2200                 next unless grep(/out/, @{$e->{DIRECTION}});
2201                 pidl "ZERO_STRUCT(r->out);";
2202                 pidl "";
2203                 last;
2204         }
2205
2206         my $env = GenerateFunctionInEnv($fn);
2207
2208         foreach my $e (@{$fn->{ELEMENTS}}) {
2209                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2210                 ParseElementPull($e, "ndr", $env, 1, 1);
2211         }
2212
2213         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2214         # own flag rather than be in NDR_IN ?
2215
2216         foreach my $e (@{$fn->{ELEMENTS}}) {
2217                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2218                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2219                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2220                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2221                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2222                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2223                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2224
2225                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2226                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL}, check_null_pointer($e, $env, \&pidl, "return NT_STATUS_INVALID_PARAMETER_MIX;"),
2227                                 check_fully_dereferenced($e, $env));
2228
2229                         pidl "NDR_PULL_ALLOC_N(ndr, r->out.$e->{NAME}, $size);";
2230
2231                         if (grep(/in/, @{$e->{DIRECTION}})) {
2232                                 pidl "memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));";
2233                         } else {
2234                                 pidl "memset(r->out.$e->{NAME}, 0, $size * sizeof(*r->out.$e->{NAME}));";
2235                         }
2236                 } else {
2237                         pidl "NDR_PULL_ALLOC(ndr, r->out.$e->{NAME});";
2238
2239                         if (grep(/in/, @{$e->{DIRECTION}})) {
2240                                 pidl "*r->out.$e->{NAME} = *r->in.$e->{NAME};";
2241                         } else {
2242                                 pidl "ZERO_STRUCTP(r->out.$e->{NAME});";
2243                         }
2244                 }
2245         }
2246
2247         add_deferred();
2248         deindent;
2249         pidl "}";
2250
2251         pidl "if (flags & NDR_OUT) {";
2252         indent;
2253
2254         $env = GenerateFunctionOutEnv($fn);
2255         foreach my $e (@{$fn->{ELEMENTS}}) {
2256                 next unless grep(/out/, @{$e->{DIRECTION}});
2257                 ParseElementPull($e, "ndr", $env, 1, 1);
2258         }
2259
2260         if ($fn->{RETURN_TYPE}) {
2261                 pidl "NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, &r->out.result));";
2262         }
2263
2264         add_deferred();
2265         deindent;
2266         pidl "}";
2267
2268         pidl "return NT_STATUS_OK;";
2269         deindent;
2270         pidl "}";
2271         pidl "";
2272 }
2273
2274 #####################################################################
2275 # produce a function call table
2276 sub FunctionTable($)
2277 {
2278         my($interface) = shift;
2279         my $count = 0;
2280         my $uname = uc $interface->{NAME};
2281
2282         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2283         return unless defined ($interface->{PROPERTIES}->{uuid});
2284
2285         pidl "static const struct dcerpc_interface_call $interface->{NAME}\_calls[] = {";
2286         foreach my $d (@{$interface->{FUNCTIONS}}) {
2287                 next if not defined($d->{OPNUM});
2288                 pidl "\t{";
2289                 pidl "\t\t\"$d->{NAME}\",";
2290                 pidl "\t\tsizeof(struct $d->{NAME}),";
2291                 pidl "\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},";
2292                 pidl "\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},";
2293                 pidl "\t\t(ndr_print_function_t) ndr_print_$d->{NAME},";
2294                 pidl "\t\t".($d->{ASYNC}?"True":"False").",";
2295                 pidl "\t},";
2296                 $count++;
2297         }
2298         pidl "\t{ NULL, 0, NULL, NULL, NULL, False }";
2299         pidl "};";
2300         pidl "";
2301
2302         pidl "static const char * const $interface->{NAME}\_endpoint_strings[] = {";
2303         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2304                 pidl "\t$ep, ";
2305         }
2306         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2307
2308         pidl "};";
2309         pidl "";
2310
2311         pidl "static const struct dcerpc_endpoint_list $interface->{NAME}\_endpoints = {";
2312         pidl "\t.count\t= $endpoint_count,";
2313         pidl "\t.names\t= $interface->{NAME}\_endpoint_strings";
2314         pidl "};";
2315         pidl "";
2316
2317         if (! defined $interface->{PROPERTIES}->{authservice}) {
2318                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2319         }
2320
2321         my @a = split / /, $interface->{PROPERTIES}->{authservice};
2322         my $authservice_count = $#a + 1;
2323
2324         pidl "static const char * const $interface->{NAME}\_authservice_strings[] = {";
2325         foreach my $ap (@a) {
2326                 pidl "\t$ap, ";
2327         }
2328         pidl "};";
2329         pidl "";
2330
2331         pidl "static const struct dcerpc_authservice_list $interface->{NAME}\_authservices = {";
2332         pidl "\t.count\t= $endpoint_count,";
2333         pidl "\t.names\t= $interface->{NAME}\_authservice_strings";
2334         pidl "};";
2335         pidl "";
2336
2337         pidl "\nconst struct dcerpc_interface_table dcerpc_table_$interface->{NAME} = {";
2338         pidl "\t.name\t\t= \"$interface->{NAME}\",";
2339         pidl "\t.syntax_id\t= {";
2340         pidl "\t\t" . print_uuid($interface->{UUID}) .",";
2341         pidl "\t\tDCERPC_$uname\_VERSION";
2342         pidl "\t},";
2343         pidl "\t.helpstring\t= DCERPC_$uname\_HELPSTRING,";
2344         pidl "\t.num_calls\t= $count,";
2345         pidl "\t.calls\t\t= $interface->{NAME}\_calls,";
2346         pidl "\t.endpoints\t= &$interface->{NAME}\_endpoints,";
2347         pidl "\t.authservices\t= &$interface->{NAME}\_authservices";
2348         pidl "};";
2349         pidl "";
2350
2351 }
2352
2353 #####################################################################
2354 # generate include statements for imported idl files
2355 sub HeaderImport
2356 {
2357         my @imports = @_;
2358         foreach (@imports) {
2359                 s/\.idl\"$//;
2360                 s/^\"//;
2361                 pidl choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h");
2362         }
2363 }
2364
2365 #####################################################################
2366 # generate include statements for included header files
2367 sub HeaderInclude
2368 {
2369         my @includes = @_;
2370         foreach (@includes) {
2371                 pidl_hdr "#include $_";
2372         }
2373 }
2374
2375 #####################################################################
2376 # generate prototypes and defines for the interface definitions
2377 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2378 # NDR parser and so do not belong here, technically speaking
2379 sub HeaderInterface($)
2380 {
2381         my($interface) = shift;
2382
2383         my $count = 0;
2384
2385         pidl_hdr choose_header("librpc/ndr/libndr.h", "ndr.h");
2386
2387         if (has_property($interface, "object")) {
2388                 pidl choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h");
2389         }
2390
2391         if (defined $interface->{PROPERTIES}->{helper}) {
2392                 HeaderInclude(split / /, $interface->{PROPERTIES}->{helper});
2393         }
2394
2395         if (defined $interface->{PROPERTIES}->{uuid}) {
2396                 my $name = uc $interface->{NAME};
2397                 pidl_hdr "#define DCERPC_$name\_UUID " .
2398                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid}));
2399
2400                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2401                 pidl_hdr "#define DCERPC_$name\_VERSION $interface->{PROPERTIES}->{version}";
2402
2403                 pidl_hdr "#define DCERPC_$name\_NAME \"$interface->{NAME}\"";
2404
2405                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2406                 pidl_hdr "#define DCERPC_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}";
2407
2408                 pidl_hdr "extern const struct dcerpc_interface_table dcerpc_table_$interface->{NAME};";
2409                 pidl_hdr "NTSTATUS dcerpc_server_$interface->{NAME}_init(void);";
2410         }
2411
2412         foreach (@{$interface->{FUNCTIONS}}) {
2413                 next if has_property($_, "noopnum");
2414                 next if grep(/$_->{NAME}/,@{$interface->{INHERITED_FUNCTIONS}});
2415                 my $u_name = uc $_->{NAME};
2416
2417                 my $val = sprintf("0x%02x", $count);
2418                 if (defined($interface->{BASE})) {
2419                         $val .= " + DCERPC_" . uc $interface->{BASE} . "_CALL_COUNT";
2420                 }
2421
2422                 pidl_hdr "#define DCERPC_$u_name ($val)";
2423
2424                 pidl_hdr "";
2425                 $count++;
2426         }
2427
2428         my $val = $count;
2429
2430         if (defined($interface->{BASE})) {
2431                 $val .= " + DCERPC_" . uc $interface->{BASE} . "_CALL_COUNT";
2432         }
2433
2434         pidl_hdr "#define DCERPC_" . uc $interface->{NAME} . "_CALL_COUNT ($val)";
2435
2436 }
2437
2438 sub ParseTypePush($$$$)
2439 {
2440         my ($e, $varname, $primitives, $deferred) = @_;
2441
2442         # save the old relative_base_offset
2443         pidl "uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset(ndr);" if defined(has_property($e, "relative_base"));
2444         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($e, $varname);
2445         # restore the old relative_base_offset
2446         pidl "ndr_push_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined(has_property($e, "relative_base"));
2447 }
2448
2449 sub ParseTypePushFunction($$)
2450 {
2451         my ($e, $varname) = @_;
2452
2453         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2454         fn_declare("push", $e, "NTSTATUS ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *ndr, int ndr_flags, $args)") or return;
2455
2456         pidl "{";
2457         indent;
2458         ParseTypePush($e, $varname, 1, 1);
2459         pidl "return NT_STATUS_OK;";
2460         deindent;
2461         pidl "}";
2462         pidl "";;
2463 }
2464
2465 sub ParseTypePull($$$$)
2466 {
2467         my ($e, $varname, $primitives, $deferred) = @_;
2468
2469         # save the old relative_base_offset
2470         pidl "uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset(ndr);" if defined(has_property($e, "relative_base"));
2471         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($e, $varname);
2472         # restore the old relative_base_offset
2473         pidl "ndr_pull_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined(has_property($e, "relative_base"));
2474 }
2475
2476 sub ParseTypePullFunction($$)
2477 {
2478         my ($e, $varname) = @_;
2479
2480         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2481
2482         fn_declare("pull", $e, "NTSTATUS ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *ndr, int ndr_flags, $args)") or return;
2483
2484         pidl "{";
2485         indent;
2486         ParseTypePull($e, $varname, 1, 1);
2487         pidl "return NT_STATUS_OK;";
2488         deindent;
2489         pidl "}";
2490         pidl "";
2491 }
2492
2493 sub ParseTypePrint($$)
2494 {
2495         my ($e, $varname) = @_;
2496
2497         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($e, $e->{NAME}, $varname);
2498 }
2499
2500 sub ParseTypePrintFunction($$)
2501 {
2502         my ($e, $varname) = @_;
2503         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2504
2505         pidl_hdr "void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);";
2506
2507         return if (has_property($e, "noprint"));
2508
2509         pidl "_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args)";
2510         pidl "{";
2511         indent;
2512         ParseTypePrint($e, $varname);
2513         deindent;
2514         pidl "}";
2515         pidl "";
2516 }
2517
2518 sub ParseTypeNdrSize($)
2519 {
2520         my ($t) = @_;
2521
2522         my $varname = "r";
2523         my $tf = $typefamily{$t->{TYPE}};
2524         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2525
2526         fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2527
2528         pidl "{";
2529         indent;
2530         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($t, $t->{NAME}, $varname);
2531         deindent;
2532         pidl "}";
2533         pidl "";
2534 }
2535
2536 #####################################################################
2537 # parse the interface definitions
2538 sub ParseInterface($$)
2539 {
2540         my($interface,$needed) = @_;
2541
2542         pidl_hdr "#ifndef _HEADER_NDR_$interface->{NAME}";
2543         pidl_hdr "#define _HEADER_NDR_$interface->{NAME}";
2544
2545         pidl_hdr "";
2546
2547         if ($needed->{"compression"}) {
2548                 pidl choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h");
2549         }
2550
2551         HeaderInterface($interface);
2552
2553         # Typedefs
2554         foreach my $d (@{$interface->{TYPES}}) {
2555                 ($needed->{TypeFunctionName("ndr_push", $d)}) && ParseTypePushFunction($d, "r");
2556                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && ParseTypePullFunction($d, "r");
2557                 ($needed->{TypeFunctionName("ndr_print", $d)}) && ParseTypePrintFunction($d, "r");
2558
2559                 # Make sure we don't generate a function twice...
2560                 $needed->{TypeFunctionName("ndr_push", $d)} =
2561                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2562                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2563
2564                 ($needed->{"ndr_size_$d->{NAME}"}) && ParseTypeNdrSize($d);
2565         }
2566
2567         # Functions
2568         foreach my $d (@{$interface->{FUNCTIONS}}) {
2569                 ($needed->{"ndr_push_$d->{NAME}"}) && ParseFunctionPush($d);
2570                 ($needed->{"ndr_pull_$d->{NAME}"}) && ParseFunctionPull($d);
2571                 ($needed->{"ndr_print_$d->{NAME}"}) && ParseFunctionPrint($d);
2572
2573                 # Make sure we don't generate a function twice...
2574                 $needed->{"ndr_push_$d->{NAME}"} = $needed->{"ndr_pull_$d->{NAME}"} =
2575                         $needed->{"ndr_print_$d->{NAME}"} = 0;
2576         }
2577
2578         FunctionTable($interface);
2579
2580         pidl_hdr "#endif /* _HEADER_NDR_$interface->{NAME} */";
2581 }
2582
2583 sub GenerateIncludes()
2584 {
2585         if (is_intree()) {
2586                 pidl "#include \"includes.h\"";
2587         } else {
2588                 pidl "#define _GNU_SOURCE";
2589                 pidl "#include <stdint.h>";
2590                 pidl "#include <stdlib.h>";
2591                 pidl "#include <stdio.h>";
2592                 pidl "#include <stdbool.h>";
2593                 pidl "#include <stdarg.h>";
2594                 pidl "#include <string.h>";
2595         }
2596
2597         # Samba3 has everything in include/includes.h
2598         if (is_intree() != 3) {
2599                 pidl choose_header("libcli/util/nterr.h", "core/nterr.h");
2600                 pidl choose_header("librpc/gen_ndr/ndr_misc.h", "gen_ndr/ndr_misc.h");
2601                 pidl choose_header("librpc/gen_ndr/ndr_dcerpc.h", "gen_ndr/ndr_dcerpc.h");
2602                 pidl choose_header("librpc/rpc/dcerpc.h", "dcerpc.h"); #FIXME: This shouldn't be here!
2603         }
2604 }
2605
2606 #####################################################################
2607 # parse a parsed IDL structure back into an IDL file
2608 sub Parse($$$)
2609 {
2610         my($ndr,$gen_header,$ndr_header) = @_;
2611
2612         $tabs = "";
2613         $res = "";
2614
2615         $res_hdr = "";
2616         pidl_hdr "/* header auto-generated by pidl */";
2617         pidl_hdr "";
2618         pidl_hdr "#include \"$gen_header\"" if ($gen_header);
2619         pidl_hdr "";
2620
2621         pidl "/* parser auto-generated by pidl */";
2622         pidl "";
2623         GenerateIncludes();
2624         pidl "#include \"$ndr_header\"" if ($ndr_header);
2625         pidl "";
2626
2627         my %needed = ();
2628
2629         foreach (@{$ndr}) {
2630                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2631         }
2632
2633         foreach (@{$ndr}) {
2634                 ($_->{TYPE} eq "INTERFACE") && ParseInterface($_, \%needed);
2635                 ($_->{TYPE} eq "IMPORT") && HeaderImport(@{$_->{PATHS}});
2636                 ($_->{TYPE} eq "INCLUDE") && HeaderInclude(@{$_->{PATHS}});
2637         }
2638
2639         return ($res_hdr, $res);
2640 }
2641
2642 sub NeededElement($$$)
2643 {
2644         my ($e, $dir, $needed) = @_;
2645
2646         return if ($e->{TYPE} eq "EMPTY");
2647
2648         return if (ref($e->{TYPE}) eq "HASH" and
2649                        not defined($e->{TYPE}->{NAME}));
2650
2651         my ($t, $rt);
2652         if (ref($e->{TYPE}) eq "HASH") {
2653                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2654         } else {
2655                 $t = $e->{TYPE};
2656         }
2657
2658         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2659                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2660         } else {
2661                 $rt = $e->{REPRESENTATION_TYPE};
2662         }
2663
2664         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2665
2666         my @fn = ();
2667         if ($dir eq "print") {
2668                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2669         } elsif ($dir eq "pull") {
2670                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2671                 push (@fn, "ndr_$t\_to_$rt")
2672                         if ($rt ne $t);
2673         } elsif ($dir eq "push") {
2674                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2675                 push (@fn, "ndr_$rt\_to_$t")
2676                         if ($rt ne $t);
2677         } else {
2678                 die("invalid direction `$dir'");
2679         }
2680
2681         foreach (@fn) {
2682                 unless (defined($needed->{$_})) {
2683                         $needed->{$_} = 1;
2684                 }
2685         }
2686 }
2687
2688 sub NeededFunction($$)
2689 {
2690         my ($fn,$needed) = @_;
2691         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
2692         $needed->{"ndr_push_$fn->{NAME}"} = 1;
2693         $needed->{"ndr_print_$fn->{NAME}"} = 1;
2694         foreach my $e (@{$fn->{ELEMENTS}}) {
2695                 $e->{PARENT} = $fn;
2696                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
2697         }
2698 }
2699
2700 sub NeededType($$$)
2701 {
2702         sub NeededType($$$);
2703         my ($t,$needed,$req) = @_;
2704
2705         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
2706
2707         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
2708                 for my $e (@{$t->{ELEMENTS}}) {
2709                         $e->{PARENT} = $t;
2710                         if (has_property($e, "compression")) {
2711                                 $needed->{"compression"} = 1;
2712                         }
2713                         NeededElement($e, $req, $needed);
2714                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
2715                 }
2716         }
2717 }
2718
2719 #####################################################################
2720 # work out what parse functions are needed
2721 sub NeededInterface($$)
2722 {
2723         my ($interface,$needed) = @_;
2724         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
2725         foreach (reverse @{$interface->{TYPES}}) {
2726                 if (has_property($_, "public")) {
2727                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
2728                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
2729                 }
2730
2731                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
2732                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
2733                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
2734                 if (has_property($_, "gensize")) {
2735                         $needed->{"ndr_size_$_->{NAME}"} = 1;
2736                 }
2737         }
2738 }
2739
2740 sub TypeFunctionName($$)
2741 {
2742         my ($prefix, $t) = @_;
2743
2744         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
2745                         ($t->{TYPE} eq "TYPEDEF" or $t->{TYPE} eq "DECLARE"));
2746         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
2747         return "$prefix\_$t";
2748 }
2749
2750 1;