source4/build/pidl/ndr.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
   6 # released under the GNU GPL
   7
   8 package NdrParser;
   9
  10 use strict;
  11 use needed;
  12
  13 # list of known types
  14 my %typedefs;
  15
  16 my %type_alignments =
  17     (
  18      "char"           => 1,
  19      "int8"           => 1,
  20      "uint8"          => 1,
  21      "short"          => 2,
  22      "wchar_t"        => 2,
  23      "int16"          => 2,
  24      "uint16"         => 2,
  25      "long"           => 4,
  26      "int32"          => 4,
  27      "uint32"         => 4,
  28      "dlong"          => 4,
  29      "udlong"         => 4,
  30      "NTTIME"         => 4,
  31      "NTTIME_1sec"    => 4,
  32      "time_t"         => 4,
  33      "DATA_BLOB"      => 4,
  34      "error_status_t" => 4,
  35      "WERROR"         => 4,
  36      "boolean32"      => 4,
  37      "unsigned32"     => 4,
  38      "ipv4address"    => 4,
  39      "hyper"          => 8,
  40      "NTTIME_hyper"   => 8
  41      );
  42
  43 foreach my $k (keys %type_alignments) {
  44         $typedefs{$k} = {
  45                 NAME => $k,
  46                 TYPE => "TYPEDEF",
  47                 DATA => {
  48                         TYPE => "SCALAR",
  49                         ALIGN => $type_alignments{$k}
  50                 }
  51         };
  52 }
  53
  54 sub is_scalar_type($)
  55 {
  56     my $type = shift;
  57
  58         return 1 if (defined($typedefs{$type}) and $typedefs{$type}->{DATA}->{TYPE} eq "SCALAR");
  59     return 1 if (util::is_enum($type));
  60         return 1 if (util::is_bitmap($type));
  61
  62     return 0;
  63 }
  64
  65 sub pointer_type($)
  66 {
  67         my $e = shift;
  68
  69         return undef unless $e->{POINTERS};
  70
  71         return "ref" if (util::has_property($e, "ref"));
  72         return "ptr" if (util::has_property($e, "ptr"));
  73         return "unique" if (util::has_property($e, "unique"));
  74         return "relative" if (util::has_property($e, "relative"));
  75
  76         return undef;
  77 }
  78
  79 # determine if an element needs a reference pointer on the wire
  80 # in its NDR representation
  81 sub need_wire_pointer($)
  82 {
  83         my $e = shift;
  84         my $pt;
  85
  86         return 0 unless ($pt = pointer_type($e));
  87
  88         if ($pt ne "ref") {
  89                 return 1;
  90         } else {
  91                 return 0;
  92         }
  93 }
  94
  95 # determine if an element is a pure scalar. pure scalars do not
  96 # have a "buffers" section in NDR
  97 sub is_pure_scalar($)
  98 {
  99         my $e = shift;
 100         if (util::has_property($e, "ref")) {
 101                 return 1;
 102         }
 103         if (is_scalar_type($e->{TYPE}) &&
 104             !$e->{POINTERS} &&
 105             !util::array_size($e)) {
 106                 return 1;
 107         }
 108         return 0;
 109 }
 110
 111 # see if a variable needs to be allocated by the NDR subsystem on pull
 112 sub need_alloc($)
 113 {
 114         my $e = shift;
 115
 116         if (util::has_property($e, "ref")) {
 117                 return 0;
 118         }
 119
 120         if ($e->{POINTERS} || util::array_size($e)) {
 121                 return 1;
 122         }
 123
 124         return 0;
 125 }
 126
 127
 128 # determine the C prefix used to refer to a variable when passing to a push
 129 # function. This will be '*' for pointers to scalar types, '' for scalar
 130 # types and normal pointers and '&' for pass-by-reference structures
 131 sub c_push_prefix($)
 132 {
 133         my $e = shift;
 134
 135         if ($e->{TYPE} =~ "string") {
 136                 return "";
 137         }
 138
 139         if (is_scalar_type($e->{TYPE}) &&
 140             $e->{POINTERS}) {
 141                 return "*";
 142         }
 143         if (!is_scalar_type($e->{TYPE}) &&
 144             !$e->{POINTERS} &&
 145             !util::array_size($e)) {
 146                 return "&";
 147         }
 148         return "";
 149 }
 150
 151
 152 # determine the C prefix used to refer to a variable when passing to a pull
 153 # return '&' or ''
 154 sub c_pull_prefix($)
 155 {
 156         my $e = shift;
 157
 158         if (!$e->{POINTERS} && !util::array_size($e)) {
 159                 return "&";
 160         }
 161
 162         if ($e->{TYPE} =~ "string") {
 163                 return "&";
 164         }
 165
 166         return "";
 167 }
 168 my $res = "";
 169 sub pidl($)
 170 {
 171         $res .= shift;
 172 }
 173
 174 #####################################################################
 175 # parse a properties list
 176 sub ParseProperties($)
 177 {
 178     my($props) = shift;
 179     foreach my $d (@{$props}) {
 180         if (ref($d) ne "HASH") {
 181             pidl "[$d] ";
 182         } else {
 183             foreach my $k (keys %{$d}) {
 184                 pidl "[$k($d->{$k})] ";
 185             }
 186         }
 187     }
 188 }
 189
 190 ###################################
 191 # find a sibling var in a structure
 192 sub find_sibling($$)
 193 {
 194         my($e) = shift;
 195         my($name) = shift;
 196         my($fn) = $e->{PARENT};
 197
 198         if ($name =~ /\*(.*)/) {
 199                 $name = $1;
 200         }
 201
 202         if ($fn->{TYPE} eq "FUNCTION") {
 203                 for my $e2 (@{$fn->{ELEMENTS}}) {
 204                         if ($e2->{NAME} eq $name) {
 205                                 return $e2;
 206                         }
 207                 }
 208         }
 209
 210         for my $e2 (@{$fn->{ELEMENTS}}) {
 211                 if ($e2->{NAME} eq $name) {
 212                         return $e2;
 213                 }
 214         }
 215         die "invalid sibling '$name'";
 216 }
 217
 218 ####################################################################
 219 # work out the name of a size_is() variable
 220 sub ParseExpr($$$)
 221 {
 222         my($e) = shift;
 223         my($size) = shift;
 224         my($var_prefix) = shift;
 225
 226         my($fn) = $e->{PARENT};
 227
 228         if (util::is_constant($size)) {
 229                 return $size;
 230         }
 231
 232         if ($size =~ /ndr->|\(/) {
 233                 return $size;
 234         }
 235
 236         my $prefix = "";
 237
 238         if ($size =~ /\*(.*)/) {
 239                 $size = $1;
 240                 $prefix = "*";
 241         }
 242
 243         if ($fn->{TYPE} ne "FUNCTION") {
 244                 return $prefix . "r->$size";
 245         }
 246
 247         my $e2 = find_sibling($e, $size);
 248
 249         if (util::has_property($e2, "in") && util::has_property($e2, "out")) {
 250                 return $prefix . "$var_prefix$size";
 251         }
 252         if (util::has_property($e2, "in")) {
 253                 return $prefix . "r->in.$size";
 254         }
 255         if (util::has_property($e2, "out")) {
 256                 return $prefix . "r->out.$size";
 257         }
 258
 259         die "invalid variable in $size for element $e->{NAME} in $fn->{NAME}\n";
 260 }
 261
 262 #####################################################################
 263 # check that a variable we get from ParseExpr isn't a null pointer
 264 sub check_null_pointer($)
 265 {
 266         my $size = shift;
 267         if ($size =~ /^\*/) {
 268                 my $size2 = substr($size, 1);
 269                 pidl "\tif ($size2 == NULL) return NT_STATUS_INVALID_PARAMETER_MIX;\n";
 270         }
 271 }
 272
 273 #####################################################################
 274 # check that a variable we get from ParseExpr isn't a null pointer
 275 # void return varient
 276 sub check_null_pointer_void($)
 277 {
 278         my $size = shift;
 279         if ($size =~ /^\*/) {
 280                 my $size2 = substr($size, 1);
 281                 pidl "\tif ($size2 == NULL) return;\n";
 282         }
 283 }
 284
 285
 286 #####################################################################
 287 # work out is a parse function should be declared static or not
 288 sub fn_prefix($)
 289 {
 290         my $fn = shift;
 291         if ($fn->{TYPE} eq "TYPEDEF") {
 292                 if (util::has_property($fn, "public")) {
 293                         return "";
 294                 }
 295         }
 296
 297         if ($fn->{TYPE} eq "FUNCTION") {
 298                 if (util::has_property($fn, "public")) {
 299                         return "";
 300                 }
 301         }
 302         return "static ";
 303 }
 304
 305
 306 ###################################################################
 307 # setup any special flags for an element or structure
 308 sub start_flags($)
 309 {
 310         my $e = shift;
 311         my $flags = util::has_property($e, "flag");
 312         if (defined $flags) {
 313                 pidl "\t{ uint32_t _flags_save_$e->{TYPE} = ndr->flags;\n";
 314                 pidl "\tndr_set_flags(&ndr->flags, $flags);\n";
 315         }
 316 }
 317
 318 ###################################################################
 319 # end any special flags for an element or structure
 320 sub end_flags($)
 321 {
 322         my $e = shift;
 323         my $flags = util::has_property($e, "flag");
 324         if (defined $flags) {
 325                 pidl "\tndr->flags = _flags_save_$e->{TYPE};\n\t}\n";
 326         }
 327 }
 328
 329
 330 #####################################################################
 331 # work out the correct alignment for a structure or union
 332 sub struct_alignment
 333 {
 334         my $s = shift;
 335
 336         my $align = 1;
 337         for my $e (@{$s->{ELEMENTS}}) {
 338                 my $a = 1;
 339
 340                 if (need_wire_pointer($e)) {
 341                         $a = 4;
 342                 } else {
 343                         $a = align_type($e->{TYPE});
 344                 }
 345
 346                 $align = $a if ($align < $a);
 347         }
 348
 349         return $align;
 350 }
 351
 352 #####################################################################
 353 # align a type
 354 sub align_type
 355 {
 356         my $e = shift;
 357
 358         unless (defined($typedefs{$e})) {
 359             # it must be an external type - all we can do is guess
 360                 # print "Warning: assuming alignment of unknown type '$e' is 4\n";
 361             return 4;
 362         }
 363
 364         my $dt = $typedefs{$e}->{DATA};
 365
 366         return $dt->{ALIGN} if ($dt->{ALIGN});
 367
 368         if ($dt->{TYPE} eq "STRUCT") {
 369                 $dt->{ALIGN} = struct_alignment($dt);
 370         } elsif($dt->{TYPE} eq "UNION") {
 371                 $dt->{ALIGN} = struct_alignment($dt);
 372         } elsif ($dt->{TYPE} eq "ENUM") {
 373                 $dt->{ALIGN} = align_type(util::enum_type_fn(util::get_enum($e)));
 374         } elsif ($dt->{TYPE} eq "BITMAP") {
 375                 $dt->{ALIGN} = align_type(util::bitmap_type_fn(util::get_bitmap($e)));
 376         }
 377
 378         if (not defined($dt->{ALIGN})) {
 379                 die("Internal pidl error. Unable to determine alignment for data type $dt->{TYPE}!");
 380         }
 381
 382         return $dt->{ALIGN};
 383 }
 384
 385 #####################################################################
 386 # parse an array - push side
 387 sub ParseArrayPush($$$)
 388 {
 389         my $e = shift;
 390         my $var_prefix = shift;
 391         my $ndr_flags = shift;
 392
 393         my $size = ParseExpr($e, util::array_size($e), $var_prefix);
 394
 395         if (defined $e->{CONFORMANT_SIZE}) {
 396                 # the conformant size has already been pushed
 397         } elsif (!util::is_inline_array($e)) {
 398                 # we need to emit the array size
 399                 pidl "\t\tNDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));\n";
 400         }
 401
 402         if (my $length = util::has_property($e, "length_is")) {
 403                 $length = ParseExpr($e, $length, $var_prefix);
 404                 pidl "\t\tNDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));\n";
 405                 pidl "\t\tNDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $length));\n";
 406                 $size = $length;
 407         }
 408
 409         if (is_scalar_type($e->{TYPE})) {
 410                 pidl "\t\tNDR_CHECK(ndr_push_array_$e->{TYPE}(ndr, $ndr_flags, $var_prefix$e->{NAME}, $size));\n";
 411         } else {
 412                 pidl "\t\tNDR_CHECK(ndr_push_array(ndr, $ndr_flags, $var_prefix$e->{NAME}, sizeof($var_prefix$e->{NAME}\[0]), $size, (ndr_push_flags_fn_t)ndr_push_$e->{TYPE}));\n";
 413         }
 414 }
 415
 416 #####################################################################
 417 # print an array
 418 sub ParseArrayPrint($$)
 419 {
 420         my $e = shift;
 421         my $var_prefix = shift;
 422         my $size = ParseExpr($e, util::array_size($e), $var_prefix);
 423         my $length = util::has_property($e, "length_is");
 424
 425         if (defined $length) {
 426                 $size = ParseExpr($e, $length, $var_prefix);
 427         }
 428
 429         if (is_scalar_type($e->{TYPE})) {
 430                 pidl "\t\tndr_print_array_$e->{TYPE}(ndr, \"$e->{NAME}\", $var_prefix$e->{NAME}, $size);\n";
 431         } else {
 432                 pidl "\t\tndr_print_array(ndr, \"$e->{NAME}\", $var_prefix$e->{NAME}, sizeof($var_prefix$e->{NAME}\[0]), $size, (ndr_print_fn_t)ndr_print_$e->{TYPE});\n";
 433         }
 434 }
 435
 436 #####################################################################
 437 # check the size_is and length_is constraints
 438 sub CheckArraySizes($$)
 439 {
 440         my $e = shift;
 441         my $var_prefix = shift;
 442
 443         if (!defined $e->{CONFORMANT_SIZE} &&
 444             util::has_property($e, "size_is")) {
 445                 my $size = ParseExpr($e, util::array_size($e), $var_prefix);
 446                 pidl "\tif ($var_prefix$e->{NAME}) {\n";
 447                 check_null_pointer($size);
 448                 pidl "\t\tNDR_CHECK(ndr_check_array_size(ndr, (void*)&$var_prefix$e->{NAME}, $size));\n";
 449                 pidl "\t}\n";
 450         }
 451
 452         if (my $length = util::has_property($e, "length_is")) {
 453                 $length = ParseExpr($e, $length, $var_prefix);
 454                 pidl "\tif ($var_prefix$e->{NAME}) {\n";
 455                 check_null_pointer($length);
 456                 pidl "\t\tNDR_CHECK(ndr_check_array_length(ndr, (void*)&$var_prefix$e->{NAME}, $length));\n";
 457                 pidl "\t}\n";
 458         }
 459 }
 460
 461
 462 #####################################################################
 463 # parse an array - pull side
 464 sub ParseArrayPull($$$)
 465 {
 466         my $e = shift;
 467         my $var_prefix = shift;
 468         my $ndr_flags = shift;
 469
 470         my $size = ParseExpr($e, util::array_size($e), $var_prefix);
 471         my $alloc_size = $size;
 472
 473         # if this is a conformant array then we use that size to allocate, and make sure
 474         # we allocate enough to pull the elements
 475         if (defined $e->{CONFORMANT_SIZE}) {
 476                 $alloc_size = $e->{CONFORMANT_SIZE};
 477                 check_null_pointer($size);
 478                 pidl "\tif ($size > $alloc_size) {\n";
 479                 pidl "\t\treturn ndr_pull_error(ndr, NDR_ERR_CONFORMANT_SIZE, \"Bad conformant size %u should be %u\", $alloc_size, $size);\n";
 480                 pidl "\t}\n";
 481         } elsif (!util::is_inline_array($e)) {
 482                 if ($var_prefix =~ /^r->out/ && $size =~ /^\*r->in/) {
 483                         my $size2 = substr($size, 1);
 484                         pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) { NDR_ALLOC(ndr, $size2); }\n";
 485                 }
 486
 487                 # non fixed arrays encode the size just before the array
 488                 pidl "\t\tNDR_CHECK(ndr_pull_array_size(ndr, &$var_prefix$e->{NAME}));\n";
 489                 $alloc_size = "ndr_get_array_size(ndr, &$var_prefix$e->{NAME})";
 490         }
 491
 492         if ((need_alloc($e) && !util::is_fixed_array($e)) ||
 493             ($var_prefix eq "r->in." && util::has_property($e, "ref"))) {
 494                 if (!util::is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") {
 495                         pidl "\t\tNDR_ALLOC_N(ndr, $var_prefix$e->{NAME}, $alloc_size);\n";
 496                 }
 497         }
 498
 499         if (($var_prefix eq "r->out." && util::has_property($e, "ref"))) {
 500                 if (!util::is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") {
 501                         pidl "\tif (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {";
 502                         pidl "\t\tNDR_ALLOC_N(ndr, $var_prefix$e->{NAME}, $alloc_size);\n";
 503                         pidl "\t}\n";
 504                 }
 505         }
 506
 507         if (my $length = util::has_property($e, "length_is")) {
 508                 pidl "\t\tNDR_CHECK(ndr_pull_array_length(ndr, &$var_prefix$e->{NAME}));\n";
 509                 $size = "ndr_get_array_length(ndr, &$var_prefix$e->{NAME})";
 510         }
 511
 512         check_null_pointer($size);
 513         if (is_scalar_type($e->{TYPE})) {
 514                 pidl "\t\tNDR_CHECK(ndr_pull_array_$e->{TYPE}(ndr, $ndr_flags, $var_prefix$e->{NAME}, $size));\n";
 515         } else {
 516                 pidl "\t\tNDR_CHECK(ndr_pull_array(ndr, $ndr_flags, (void **)$var_prefix$e->{NAME}, sizeof($var_prefix$e->{NAME}\[0]), $size, (ndr_pull_flags_fn_t)ndr_pull_$e->{TYPE}));\n";
 517         }
 518 }
 519
 520
 521 #####################################################################
 522 # parse scalars in a structure element
 523 sub ParseElementPushScalar($$$)
 524 {
 525         my($e) = shift;
 526         my($var_prefix) = shift;
 527         my($ndr_flags) = shift;
 528         my $cprefix = c_push_prefix($e);
 529         my $sub_size = util::has_property($e, "subcontext");
 530
 531         start_flags($e);
 532
 533         if (my $value = util::has_property($e, "value")) {
 534                 pidl "\t$cprefix$var_prefix$e->{NAME} = $value;\n";
 535         }
 536
 537         if (util::has_property($e, "relative")) {
 538                 pidl "\tNDR_CHECK(ndr_push_relative1(ndr, $var_prefix$e->{NAME}));\n";
 539         } elsif (util::is_inline_array($e)) {
 540                 ParseArrayPush($e, "r->", "NDR_SCALARS");
 541         } elsif (need_wire_pointer($e)) {
 542                 pidl "\tNDR_CHECK(ndr_push_ptr(ndr, $var_prefix$e->{NAME}));\n";
 543         } elsif (need_alloc($e)) {
 544                 # no scalar component
 545         } elsif (my $switch = util::has_property($e, "switch_is")) {
 546                 ParseElementPushSwitch($e, $var_prefix, $ndr_flags, $switch);
 547         } elsif (defined $sub_size) {
 548                 pidl "\tNDR_CHECK(ndr_push_subcontext_flags_fn(ndr, $sub_size, $cprefix$var_prefix$e->{NAME}, (ndr_push_flags_fn_t) ndr_push_$e->{TYPE}));\n";
 549         } else {
 550                 pidl "\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, $ndr_flags, $cprefix$var_prefix$e->{NAME}));\n";
 551         }
 552
 553         end_flags($e);
 554 }
 555
 556 #####################################################################
 557 # print scalars in a structure element
 558 sub ParseElementPrintScalar($$)
 559 {
 560         my($e) = shift;
 561         my($var_prefix) = shift;
 562         my $cprefix = c_push_prefix($e);
 563
 564         if (util::has_property($e, "noprint")) {
 565                 return;
 566         }
 567
 568         if (my $value = util::has_property($e, "value")) {
 569                 pidl "\tif (ndr->flags & LIBNDR_PRINT_SET_VALUES) {\n";
 570                 pidl "\t\t$cprefix$var_prefix$e->{NAME} = $value;\n";
 571                 pidl "\t}\n";
 572         }
 573
 574         if (util::is_fixed_array($e)) {
 575                 ParseElementPrintBuffer($e, $var_prefix);
 576         } elsif ($e->{POINTERS} || util::array_size($e)) {
 577                 pidl "\tndr_print_ptr(ndr, \"$e->{NAME}\", $var_prefix$e->{NAME});\n";
 578                 pidl "\tndr->depth++;\n";
 579                 ParseElementPrintBuffer($e, $var_prefix);
 580                 pidl "\tndr->depth--;\n";
 581         } elsif (my $switch = util::has_property($e, "switch_is")) {
 582                 ParseElementPrintSwitch($e, $var_prefix, $switch);
 583         } else {
 584                 pidl "\tndr_print_$e->{TYPE}(ndr, \"$e->{NAME}\", $cprefix$var_prefix$e->{NAME});\n";
 585         }
 586 }
 587
 588 #####################################################################
 589 # parse scalars in a structure element - pull size
 590 sub ParseElementPullSwitch($$$$)
 591 {
 592         my($e) = shift;
 593         my($var_prefix) = shift;
 594         my($ndr_flags) = shift;
 595         my $switch = shift;
 596         my $switch_var = ParseExpr($e, $switch, $var_prefix);
 597
 598         my $cprefix = c_pull_prefix($e);
 599
 600         my $utype = $typedefs{$e->{TYPE}};
 601
 602         check_null_pointer($switch_var);
 603
 604         if (!defined $utype ||
 605             !util::has_property($utype, "nodiscriminant")) {
 606                 my $e2 = find_sibling($e, $switch);
 607                 my $type_decl = util::map_type($e2->{TYPE});
 608                 pidl "\tif (($ndr_flags) & NDR_SCALARS) {\n";
 609                 if (util::is_enum($e2->{TYPE})) {
 610                         $type_decl = util::enum_type_decl($e2);
 611                 } elsif (util::is_bitmap($e2->{TYPE})) {
 612                         $type_decl = util::bitmap_type_decl($e2);
 613                 }
 614                 pidl "\t\t$type_decl _level;\n";
 615                 pidl "\t\tNDR_CHECK(ndr_pull_$e2->{TYPE}(ndr, NDR_SCALARS, &_level));\n";
 616                 if ($switch_var =~ /r->in/) {
 617                         pidl "\t\tif (!(ndr->flags & LIBNDR_FLAG_REF_ALLOC) && _level != $switch_var) {\n";
 618                 } else {
 619                         pidl "\t\tif (_level != $switch_var) {\n";
 620                 }
 621                 pidl "\t\t\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u in $e->{NAME}\", _level);\n";
 622                 pidl "\t\t}\n";
 623                 if ($switch_var =~ /r->/) {
 624                         pidl "else { $switch_var = _level; }\n";
 625                 }
 626                 pidl "\t}\n";
 627         }
 628
 629         my $sub_size = util::has_property($e, "subcontext");
 630         if (defined $sub_size) {
 631                 pidl "\tif (($ndr_flags) & NDR_SCALARS) {\n";
 632                 pidl "\t\tNDR_CHECK(ndr_pull_subcontext_union_fn(ndr, $sub_size, $switch_var, $cprefix$var_prefix$e->{NAME}, (ndr_pull_union_fn_t) ndr_pull_$e->{TYPE}));\n";
 633                 pidl "\t}\n";
 634         } else {
 635                 pidl "\tNDR_CHECK(ndr_pull_$e->{TYPE}(ndr, $ndr_flags, $switch_var, $cprefix$var_prefix$e->{NAME}));\n";
 636         }
 637
 638
 639 }
 640
 641 #####################################################################
 642 # push switch element
 643 sub ParseElementPushSwitch($$$$)
 644 {
 645         my($e) = shift;
 646         my($var_prefix) = shift;
 647         my($ndr_flags) = shift;
 648         my $switch = shift;
 649         my $switch_var = ParseExpr($e, $switch, $var_prefix);
 650         my $cprefix = c_push_prefix($e);
 651
 652         check_null_pointer($switch_var);
 653
 654         my $utype = $typedefs{$e->{TYPE}};
 655         if (!defined $utype ||
 656             !util::has_property($utype, "nodiscriminant")) {
 657                 my $e2 = find_sibling($e, $switch);
 658                 pidl "\tif (($ndr_flags) & NDR_SCALARS) {\n";
 659                 pidl "\t\tNDR_CHECK(ndr_push_$e2->{TYPE}(ndr, NDR_SCALARS, $switch_var));\n";
 660                 pidl "\t}\n";
 661         }
 662
 663         my $sub_size = util::has_property($e, "subcontext");
 664         if (defined $sub_size) {
 665                 pidl "\tif(($ndr_flags) & NDR_SCALARS) {\n";
 666                 pidl "\t\tNDR_CHECK(ndr_push_subcontext_union_fn(ndr, $sub_size, $switch_var, $cprefix$var_prefix$e->{NAME}, (ndr_push_union_fn_t) ndr_push_$e->{TYPE}));\n";
 667                 pidl "\t}\n";
 668         } else {
 669                 pidl "\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, $ndr_flags, $switch_var, $cprefix$var_prefix$e->{NAME}));\n";
 670         }
 671 }
 672
 673 #####################################################################
 674 # print scalars in a structure element
 675 sub ParseElementPrintSwitch($$$)
 676 {
 677         my($e) = shift;
 678         my($var_prefix) = shift;
 679         my $switch = shift;
 680         my $switch_var = ParseExpr($e, $switch, $var_prefix);
 681         my $cprefix = c_push_prefix($e);
 682
 683         check_null_pointer_void($switch_var);
 684
 685         pidl "\tndr_print_$e->{TYPE}(ndr, \"$e->{NAME}\", $switch_var, $cprefix$var_prefix$e->{NAME});\n";
 686 }
 687
 688
 689 #####################################################################
 690 # parse scalars in a structure element - pull size
 691 sub ParseElementPullScalar($$$)
 692 {
 693         my($e) = shift;
 694         my($var_prefix) = shift;
 695         my($ndr_flags) = shift;
 696         my $cprefix = c_pull_prefix($e);
 697         my $sub_size = util::has_property($e, "subcontext");
 698
 699         start_flags($e);
 700
 701         if (util::is_inline_array($e)) {
 702                 ParseArrayPull($e, "r->", "NDR_SCALARS");
 703         } elsif (need_wire_pointer($e)) {
 704                 pidl "\tNDR_CHECK(ndr_pull_ptr(ndr, &_ptr_$e->{NAME}));\n";
 705                 pidl "\tif (_ptr_$e->{NAME}) {\n";
 706                 pidl "\t\tNDR_ALLOC(ndr, $var_prefix$e->{NAME});\n";
 707                 if (util::has_property($e, "relative")) {
 708                         pidl "\t\tNDR_CHECK(ndr_pull_relative1(ndr, $var_prefix$e->{NAME}, _ptr_$e->{NAME}));\n";
 709                 }
 710                 pidl "\t} else {\n";
 711                 pidl "\t\t$var_prefix$e->{NAME} = NULL;\n";
 712                 pidl "\t}\n";
 713         } elsif (need_alloc($e)) {
 714                 # no scalar component
 715         } elsif (my $switch = util::has_property($e, "switch_is")) {
 716                 ParseElementPullSwitch($e, $var_prefix, $ndr_flags, $switch);
 717         } elsif (defined $sub_size) {
 718                 pidl "\tNDR_CHECK(ndr_pull_subcontext_flags_fn(ndr, $sub_size, $cprefix$var_prefix$e->{NAME}, (ndr_pull_flags_fn_t) ndr_pull_$e->{TYPE}));\n";
 719         } else {
 720                 pidl "\tNDR_CHECK(ndr_pull_$e->{TYPE}(ndr, $ndr_flags, $cprefix$var_prefix$e->{NAME}));\n";
 721         }
 722         if (my $range = util::has_property($e, "range")) {
 723                 my ($low, $high) = split(/ /, $range, 2);
 724                 pidl "\tif ($var_prefix$e->{NAME} < $low || $var_prefix$e->{NAME} > $high) {\n";
 725                 pidl "\t\treturn ndr_pull_error(ndr, NDR_ERR_RANGE, \"value out of range\");\n\t}\n";
 726         }
 727
 728         end_flags($e);
 729 }
 730
 731 #####################################################################
 732 # parse buffers in a structure element
 733 sub ParseElementPushBuffer($$$)
 734 {
 735         my($e) = shift;
 736         my($var_prefix) = shift;
 737         my($ndr_flags) = shift;
 738         my $cprefix = c_push_prefix($e);
 739         my $sub_size = util::has_property($e, "subcontext");
 740
 741         if (is_pure_scalar($e)) {
 742                 return;
 743         }
 744
 745         start_flags($e);
 746
 747         if (need_wire_pointer($e)) {
 748                 pidl "\tif ($var_prefix$e->{NAME}) {\n";
 749                 if (util::has_property($e, "relative")) {
 750                         pidl "\t\tNDR_CHECK(ndr_push_relative2(ndr, $var_prefix$e->{NAME}));\n";
 751                 }
 752         }
 753
 754         if (util::is_inline_array($e)) {
 755                 ParseArrayPush($e, "r->", "NDR_BUFFERS");
 756         } elsif (util::array_size($e)) {
 757                 ParseArrayPush($e, "r->", "NDR_SCALARS|NDR_BUFFERS");
 758         } elsif (my $switch = util::has_property($e, "switch_is")) {
 759                 if ($e->{POINTERS}) {
 760                         ParseElementPushSwitch($e, $var_prefix, "NDR_BUFFERS|NDR_SCALARS", $switch);
 761                 } else {
 762                         ParseElementPushSwitch($e, $var_prefix, "NDR_BUFFERS", $switch);
 763                 }
 764         } elsif (defined $sub_size) {
 765                 if ($e->{POINTERS}) {
 766                         pidl "\tNDR_CHECK(ndr_push_subcontext_flags_fn(ndr, $sub_size, $cprefix$var_prefix$e->{NAME}, (ndr_push_flags_fn_t) ndr_push_$e->{TYPE}));\n";
 767                 }
 768         } elsif ($e->{POINTERS}) {
 769                 pidl "\t\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, NDR_SCALARS|NDR_BUFFERS, $cprefix$var_prefix$e->{NAME}));\n";
 770         } else {
 771                 pidl "\t\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, $ndr_flags, $cprefix$var_prefix$e->{NAME}));\n";
 772         }
 773
 774         if (need_wire_pointer($e)) {
 775                 pidl "\t}\n";
 776         }
 777
 778         end_flags($e);
 779 }
 780
 781 #####################################################################
 782 # print buffers in a structure element
 783 sub ParseElementPrintBuffer($$)
 784 {
 785         my($e) = shift;
 786         my($var_prefix) = shift;
 787         my $cprefix = c_push_prefix($e);
 788
 789         if (need_wire_pointer($e)) {
 790                 pidl "\tif ($var_prefix$e->{NAME}) {\n";
 791         }
 792
 793         if (util::array_size($e)) {
 794                 ParseArrayPrint($e, $var_prefix)
 795         } elsif (my $switch = util::has_property($e, "switch_is")) {
 796                 ParseElementPrintSwitch($e, $var_prefix, $switch);
 797         } else {
 798                 pidl "\t\tndr_print_$e->{TYPE}(ndr, \"$e->{NAME}\", $cprefix$var_prefix$e->{NAME});\n";
 799         }
 800
 801         if (need_wire_pointer($e)) {
 802                 pidl "\t}\n";
 803         }
 804 }
 805
 806
 807 #####################################################################
 808 # parse buffers in a structure element - pull side
 809 sub ParseElementPullBuffer($$$)
 810 {
 811         my($e) = shift;
 812         my($var_prefix) = shift;
 813         my($ndr_flags) = shift;
 814         my $cprefix = c_pull_prefix($e);
 815         my $sub_size = util::has_property($e, "subcontext");
 816
 817         if (is_pure_scalar($e)) {
 818                 return;
 819         }
 820
 821         start_flags($e);
 822
 823         if (need_wire_pointer($e)) {
 824                 pidl "\tif ($var_prefix$e->{NAME}) {\n";
 825                 if (util::has_property($e, "relative")) {
 826                         pidl "\t\tstruct ndr_pull_save _relative_save;\n";
 827                         pidl "\t\tndr_pull_save(ndr, &_relative_save);\n";
 828                         pidl "\t\tNDR_CHECK(ndr_pull_relative2(ndr, $var_prefix$e->{NAME}));\n";
 829                 }
 830         }
 831
 832         if (util::is_inline_array($e)) {
 833                 ParseArrayPull($e, "r->", "NDR_BUFFERS");
 834         } elsif (util::array_size($e)) {
 835                 ParseArrayPull($e, "r->", "NDR_SCALARS|NDR_BUFFERS");
 836         } elsif (my $switch = util::has_property($e, "switch_is")) {
 837                 if ($e->{POINTERS}) {
 838                         ParseElementPullSwitch($e, $var_prefix, "NDR_SCALARS|NDR_BUFFERS", $switch);
 839                 } else {
 840                         ParseElementPullSwitch($e, $var_prefix, "NDR_BUFFERS", $switch);
 841                 }
 842         } elsif (defined $sub_size) {
 843                 if ($e->{POINTERS}) {
 844                         pidl "\tNDR_CHECK(ndr_pull_subcontext_flags_fn(ndr, $sub_size, $cprefix$var_prefix$e->{NAME}, (ndr_pull_flags_fn_t) ndr_pull_$e->{TYPE}));\n";
 845                 }
 846         } elsif ($e->{POINTERS}) {
 847                 pidl "\t\tNDR_CHECK(ndr_pull_$e->{TYPE}(ndr, NDR_SCALARS|NDR_BUFFERS, $cprefix$var_prefix$e->{NAME}));\n";
 848         } else {
 849                 pidl "\t\tNDR_CHECK(ndr_pull_$e->{TYPE}(ndr, $ndr_flags, $cprefix$var_prefix$e->{NAME}));\n";
 850         }
 851
 852         if (need_wire_pointer($e)) {
 853                 if (util::has_property($e, "relative")) {
 854                         pidl "\t\tndr_pull_restore(ndr, &_relative_save);\n";
 855                 }
 856                 pidl "\t}\n";
 857         }
 858
 859         end_flags($e);
 860 }
 861
 862 #####################################################################
 863 # parse a struct
 864 sub ParseStructPush($)
 865 {
 866         my($struct) = shift;
 867
 868         if (! defined $struct->{ELEMENTS}) {
 869                 return;
 870         }
 871
 872         start_flags($struct);
 873
 874         # see if the structure contains a conformant array. If it
 875         # does, then it must be the last element of the structure, and
 876         # we need to push the conformant length early, as it fits on
 877         # the wire before the structure (and even before the structure
 878         # alignment)
 879         my $e = $struct->{ELEMENTS}[-1];
 880         if (defined $e->{ARRAY_LEN} && $e->{ARRAY_LEN} eq "*") {
 881                 my $size = ParseExpr($e, util::array_size($e), "r->");
 882                 $e->{CONFORMANT_SIZE} = $size;
 883                 check_null_pointer($size);
 884                 pidl "\tNDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));\n";
 885         }
 886
 887         if (defined $e->{TYPE} && $e->{TYPE} eq "string"
 888             &&  util::property_matches($e, "flag", ".*LIBNDR_FLAG_STR_CONFORMANT.*")) {
 889                 pidl "\tNDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_string_array_size(ndr, r->$e->{NAME})));\n";
 890         }
 891
 892         pidl "\tif (!(ndr_flags & NDR_SCALARS)) goto buffers;\n";
 893
 894         pidl "\tNDR_CHECK(ndr_push_struct_start(ndr));\n";
 895
 896         my $align = struct_alignment($struct);
 897         pidl "\tNDR_CHECK(ndr_push_align(ndr, $align));\n";
 898
 899         foreach my $e (@{$struct->{ELEMENTS}}) {
 900                 ParseElementPushScalar($e, "r->", "NDR_SCALARS");
 901         }
 902
 903         pidl "buffers:\n";
 904         pidl "\tif (!(ndr_flags & NDR_BUFFERS)) goto done;\n";
 905         foreach my $e (@{$struct->{ELEMENTS}}) {
 906                 ParseElementPushBuffer($e, "r->", "NDR_BUFFERS");
 907         }
 908
 909         pidl "\tndr_push_struct_end(ndr);\n";
 910
 911         pidl "done:\n";
 912
 913         end_flags($struct);
 914 }
 915
 916
 917 #####################################################################
 918 # generate a push function for an enum
 919 sub ParseEnumPush($)
 920 {
 921         my($enum) = shift;
 922         my($type_fn) = util::enum_type_fn($enum);
 923
 924         start_flags($enum);
 925
 926         pidl "\tNDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, r));\n";
 927
 928         end_flags($enum);
 929 }
 930
 931 #####################################################################
 932 # generate a pull function for an enum
 933 sub ParseEnumPull($)
 934 {
 935         my($enum) = shift;
 936         my($type_fn) = util::enum_type_fn($enum);
 937         my($type_v_decl) = util::map_type(util::enum_type_fn($enum));
 938
 939         pidl "\t$type_v_decl v;\n";
 940         start_flags($enum);
 941         pidl "\tNDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));\n";
 942         pidl "\t*r = v;\n";
 943
 944         end_flags($enum);
 945 }
 946
 947 #####################################################################
 948 # generate a print function for an enum
 949 sub ParseEnumPrint($)
 950 {
 951         my($enum) = shift;
 952
 953         pidl "\tconst char *val = NULL;\n\n";
 954
 955         start_flags($enum);
 956
 957         pidl "\tswitch (r) {\n";
 958         my $els = \@{$enum->{ELEMENTS}};
 959         foreach my $i (0 .. $#{$els}) {
 960                 my $e = ${$els}[$i];
 961                 chomp $e;
 962                 if ($e =~ /^(.*)=/) {
 963                         $e = $1;
 964                 }
 965                 pidl "\t\tcase $e: val = \"$e\"; break;\n";
 966         }
 967
 968         pidl "\t}\n\n\tndr_print_enum(ndr, name, \"$enum->{TYPE}\", val, r);\n";
 969
 970         end_flags($enum);
 971 }
 972
 973
 974 #####################################################################
 975 # generate a push function for a bitmap
 976 sub ParseBitmapPush($)
 977 {
 978         my($bitmap) = shift;
 979         my($type_fn) = util::bitmap_type_fn($bitmap);
 980
 981         start_flags($bitmap);
 982
 983         pidl "\tNDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, r));\n";
 984
 985         end_flags($bitmap);
 986 }
 987
 988 #####################################################################
 989 # generate a pull function for an bitmap
 990 sub ParseBitmapPull($)
 991 {
 992         my($bitmap) = shift;
 993         my($type_fn) = util::bitmap_type_fn($bitmap);
 994         my($type_decl) = util::bitmap_type_decl($bitmap);
 995
 996         pidl "\t$type_decl v;\n";
 997         start_flags($bitmap);
 998         pidl "\tNDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));\n";
 999         pidl "\t*r = v;\n";
1000
1001         end_flags($bitmap);
1002 }
1003
1004 #####################################################################
1005 # generate a print function for an bitmap
1006 sub ParseBitmapPrintElement($$)
1007 {
1008         my($e) = shift;
1009         my($bitmap) = shift;
1010         my($type_decl) = util::bitmap_type_decl($bitmap);
1011         my($type_fn) = util::bitmap_type_fn($bitmap);
1012         my($name) = $bitmap->{PARENT}->{NAME};
1013         my($flag);
1014
1015         if ($e =~ /^(\w+) .*$/) {
1016                 $flag = "$1";
1017         } else {
1018                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1019         }
1020
1021         pidl "\tndr_print_bitmap_flag(ndr, sizeof($type_decl), \"$flag\", $flag, r);\n";
1022 }
1023
1024 #####################################################################
1025 # generate a print function for an bitmap
1026 sub ParseBitmapPrint($)
1027 {
1028         my($bitmap) = shift;
1029         my($type_decl) = util::bitmap_type_decl($bitmap);
1030         my($type_fn) = util::bitmap_type_fn($bitmap);
1031
1032         start_flags($bitmap);
1033
1034         pidl "\tndr_print_$type_fn(ndr, name, r);\n";
1035
1036         pidl "\tndr->depth++;\n";
1037         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1038                 ParseBitmapPrintElement($e, $bitmap);
1039         }
1040         pidl "\tndr->depth--;\n";
1041
1042         end_flags($bitmap);
1043 }
1044
1045 #####################################################################
1046 # generate a struct print function
1047 sub ParseStructPrint($)
1048 {
1049         my($struct) = shift;
1050
1051         if (! defined $struct->{ELEMENTS}) {
1052                 return;
1053         }
1054
1055         start_flags($struct);
1056
1057         pidl "\tndr->depth++;\n";
1058         foreach my $e (@{$struct->{ELEMENTS}}) {
1059                 ParseElementPrintScalar($e, "r->");
1060         }
1061         pidl "\tndr->depth--;\n";
1062
1063         end_flags($struct);
1064 }
1065
1066 #####################################################################
1067 # parse a struct - pull side
1068 sub ParseStructPull($)
1069 {
1070         my($struct) = shift;
1071         my $conform_e;
1072
1073         if (! defined $struct->{ELEMENTS}) {
1074                 return;
1075         }
1076
1077         # see if the structure contains a conformant array. If it
1078         # does, then it must be the last element of the structure, and
1079         # we need to pull the conformant length early, as it fits on
1080         # the wire before the structure (and even before the structure
1081         # alignment)
1082         my $e = $struct->{ELEMENTS}[-1];
1083         if (defined $e->{ARRAY_LEN} && $e->{ARRAY_LEN} eq "*") {
1084                 $conform_e = $e;
1085         }
1086
1087         if (defined $e->{TYPE} && $e->{TYPE} eq "string"
1088             &&  util::property_matches($e, "flag", ".*LIBNDR_FLAG_STR_CONFORMANT.*")) {
1089                 $conform_e = $e;
1090         }
1091
1092         if (defined $conform_e) {
1093                 $conform_e = $e;
1094                 pidl "\tuint32_t _conformant_size;\n";
1095                 $conform_e->{CONFORMANT_SIZE} = "_conformant_size";
1096         }
1097
1098         # declare any internal pointers we need
1099         foreach my $e (@{$struct->{ELEMENTS}}) {
1100                 if (need_wire_pointer($e)) {
1101                         pidl "\tuint32_t _ptr_$e->{NAME};\n";
1102                 }
1103         }
1104
1105         start_flags($struct);
1106
1107         pidl "\tif (!(ndr_flags & NDR_SCALARS)) goto buffers;\n";
1108
1109         pidl "\tNDR_CHECK(ndr_pull_struct_start(ndr));\n";
1110
1111         if (defined $conform_e) {
1112                 pidl "\tNDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &$conform_e->{CONFORMANT_SIZE}));\n";
1113         }
1114
1115         my $align = struct_alignment($struct);
1116         pidl "\tNDR_CHECK(ndr_pull_align(ndr, $align));\n";
1117
1118         foreach my $e (@{$struct->{ELEMENTS}}) {
1119                 ParseElementPullScalar($e, "r->", "NDR_SCALARS");
1120         }
1121
1122         pidl "buffers:\n";
1123         pidl "\tif (!(ndr_flags & NDR_BUFFERS)) goto done;\n";
1124         foreach my $e (@{$struct->{ELEMENTS}}) {
1125                 ParseElementPullBuffer($e, "r->", "NDR_BUFFERS");
1126         }
1127
1128         foreach my $e (@{$struct->{ELEMENTS}}) {
1129                 CheckArraySizes($e, "r->");
1130         }
1131
1132         pidl "\tndr_pull_struct_end(ndr);\n";
1133
1134         pidl "done:\n";
1135
1136         end_flags($struct);
1137 }
1138
1139 #####################################################################
1140 # calculate size of ndr struct
1141 sub ParseStructNdrSize($)
1142 {
1143         my $t = shift;
1144         my $static = fn_prefix($t);
1145         my $sizevar;
1146
1147         pidl "size_t ndr_size_$t->{NAME}(const struct $t->{NAME} *r, int flags)\n";
1148         pidl "{\n";
1149         if (my $flags = util::has_property($t, "flag")) {
1150                 pidl "\tflags |= $flags;\n";
1151         }
1152         pidl "\treturn ndr_size_struct(r, flags, (ndr_push_flags_fn_t)ndr_push_$t->{NAME});\n";
1153         pidl "}\n\n";
1154 }
1155
1156 #####################################################################
1157 # calculate size of ndr struct
1158 sub ParseUnionNdrSize($)
1159 {
1160         my $t = shift;
1161         my $static = fn_prefix($t);
1162         my $sizevar;
1163
1164         pidl "size_t ndr_size_$t->{NAME}(const union $t->{NAME} *r, int level, int flags)\n";
1165         pidl "{\n";
1166         if (my $flags = util::has_property($t, "flag")) {
1167                 pidl "\tflags |= $flags;\n";
1168         }
1169         pidl "\treturn ndr_size_union(r, flags, level, (ndr_push_union_fn_t)ndr_push_$t->{NAME});\n";
1170         pidl "}\n\n";
1171 }
1172
1173 #####################################################################
1174 # parse a union - push side
1175 sub ParseUnionPush($)
1176 {
1177         my $e = shift;
1178         my $have_default = 0;
1179
1180         start_flags($e);
1181
1182         pidl "\tif (!(ndr_flags & NDR_SCALARS)) goto buffers;\n";
1183
1184         pidl "\tNDR_CHECK(ndr_push_struct_start(ndr));\n";
1185
1186 #       my $align = union_alignment($e);
1187 #       pidl "\tNDR_CHECK(ndr_push_align(ndr, $align));\n";
1188
1189         pidl "\tswitch (level) {\n";
1190         foreach my $el (@{$e->{ELEMENTS}}) {
1191                 if (util::has_property($el, "default")) {
1192                         pidl "\tdefault:\n";
1193                         $have_default = 1;
1194                 } else {
1195                         pidl "\tcase $el->{PROPERTIES}->{case}:\n";
1196                 }
1197                 if ($el->{TYPE} ne "EMPTY") {
1198                         ParseElementPushScalar($el, "r->", "NDR_SCALARS");
1199                 }
1200                 pidl "\tbreak;\n\n";
1201         }
1202         if (! $have_default) {
1203                 pidl "\tdefault:\n";
1204                 pidl "\t\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);\n";
1205         }
1206         pidl "\t}\n";
1207         pidl "buffers:\n";
1208         pidl "\tif (!(ndr_flags & NDR_BUFFERS)) goto done;\n";
1209         pidl "\tswitch (level) {\n";
1210         foreach my $el (@{$e->{ELEMENTS}}) {
1211                 if (util::has_property($el, "default")) {
1212                         pidl "\tdefault:\n";
1213                 } else {
1214                         pidl "\tcase $el->{PROPERTIES}->{case}:\n";
1215                 }
1216                 if ($el->{TYPE} ne "EMPTY") {
1217                         ParseElementPushBuffer($el, "r->", "NDR_BUFFERS");
1218                 }
1219                 pidl "\tbreak;\n\n";
1220         }
1221         if (! $have_default) {
1222                 pidl "\tdefault:\n";
1223                 pidl "\t\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);\n";
1224         }
1225         pidl "\t}\n";
1226         pidl "\tndr_push_struct_end(ndr);\n";
1227         pidl "done:\n";
1228         end_flags($e);
1229 }
1230
1231 #####################################################################
1232 # print a union
1233 sub ParseUnionPrint($)
1234 {
1235         my $e = shift;
1236         my $have_default = 0;
1237
1238         start_flags($e);
1239
1240         pidl "\tswitch (level) {\n";
1241         foreach my $el (@{$e->{ELEMENTS}}) {
1242                 if (util::has_property($el, "default")) {
1243                         $have_default = 1;
1244                         pidl "\tdefault:\n";
1245                 } else {
1246                         pidl "\tcase $el->{PROPERTIES}->{case}:\n";
1247                 }
1248                 if ($el->{TYPE} ne "EMPTY") {
1249                         ParseElementPrintScalar($el, "r->");
1250                 }
1251                 pidl "\tbreak;\n\n";
1252         }
1253         if (! $have_default) {
1254                 pidl "\tdefault:\n\t\tndr_print_bad_level(ndr, name, level);\n";
1255         }
1256         pidl "\t}\n";
1257
1258         end_flags($e);
1259 }
1260
1261 #####################################################################
1262 # parse a union - pull side
1263 sub ParseUnionPull($)
1264 {
1265         my $e = shift;
1266         my $have_default = 0;
1267
1268         start_flags($e);
1269
1270         pidl "\tif (!(ndr_flags & NDR_SCALARS)) goto buffers;\n";
1271
1272         pidl "\tNDR_CHECK(ndr_pull_struct_start(ndr));\n";
1273
1274 #       my $align = union_alignment($e);
1275 #       pidl "\tNDR_CHECK(ndr_pull_align(ndr, $align));\n";
1276
1277         pidl "\tswitch (level) {\n";
1278         foreach my $el (@{$e->{ELEMENTS}}) {
1279                 if (util::has_property($el, "default")) {
1280                         pidl "\tdefault: {\n";
1281                         $have_default = 1;
1282                 } else {
1283                         pidl "\tcase $el->{PROPERTIES}->{case}: {\n";
1284                 }
1285                 if ($el->{TYPE} ne "EMPTY") {
1286                         if ($el->{POINTERS}) {
1287                                 pidl "\t\tuint32_t _ptr_$el->{NAME};\n";
1288                         }
1289                         ParseElementPullScalar($el, "r->", "NDR_SCALARS");
1290                 }
1291                 pidl "\tbreak; }\n\n";
1292         }
1293         if (! $have_default) {
1294                 pidl "\tdefault:\n";
1295                 pidl "\t\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);\n";
1296         }
1297         pidl "\t}\n";
1298         pidl "buffers:\n";
1299         pidl "\tif (!(ndr_flags & NDR_BUFFERS)) goto done;\n";
1300         pidl "\tswitch (level) {\n";
1301         foreach my $el (@{$e->{ELEMENTS}}) {
1302                 if (util::has_property($el, "default")) {
1303                         pidl "\tdefault:\n";
1304                 } else {
1305                         pidl "\tcase $el->{PROPERTIES}->{case}:\n";
1306                 }
1307                 if ($el->{TYPE} ne "EMPTY") {
1308                         ParseElementPullBuffer($el, "r->", "NDR_BUFFERS");
1309                 }
1310                 pidl "\tbreak;\n\n";
1311         }
1312         if (! $have_default) {
1313                 pidl "\tdefault:\n";
1314                 pidl "\t\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);\n";
1315         }
1316         pidl "\t}\n";
1317         pidl "\tndr_pull_struct_end(ndr);\n";
1318         pidl "done:\n";
1319         end_flags($e);
1320 }
1321
1322
1323 #####################################################################
1324 # parse a type
1325 sub ParseTypePush($)
1326 {
1327         my($data) = shift;
1328
1329         ($data->{TYPE} eq "STRUCT") &&
1330             ParseStructPush($data);
1331         ($data->{TYPE} eq "UNION") &&
1332             ParseUnionPush($data);
1333         ($data->{TYPE} eq "ENUM") &&
1334             ParseEnumPush($data);
1335         ($data->{TYPE} eq "BITMAP") &&
1336             ParseBitmapPush($data);
1337 }
1338
1339 #####################################################################
1340 # generate a print function for a type
1341 sub ParseTypePrint($)
1342 {
1343         my($data) = shift;
1344
1345         ($data->{TYPE} eq "STRUCT") &&
1346             ParseStructPrint($data);
1347         ($data->{TYPE} eq "UNION") &&
1348             ParseUnionPrint($data);
1349         ($data->{TYPE} eq "ENUM") &&
1350             ParseEnumPrint($data);
1351         ($data->{TYPE} eq "BITMAP") &&
1352             ParseBitmapPrint($data);
1353 }
1354
1355 #####################################################################
1356 # parse a type
1357 sub ParseTypePull($)
1358 {
1359         my($data) = shift;
1360
1361         ($data->{TYPE} eq "STRUCT") &&
1362             ParseStructPull($data);
1363         ($data->{TYPE} eq "UNION") &&
1364             ParseUnionPull($data);
1365         ($data->{TYPE} eq "ENUM") &&
1366             ParseEnumPull($data);
1367         ($data->{TYPE} eq "BITMAP") &&
1368             ParseBitmapPull($data);
1369 }
1370
1371 #####################################################################
1372 # parse a typedef - push side
1373 sub ParseTypedefPush($)
1374 {
1375         my($e) = shift;
1376         my $static = fn_prefix($e);
1377
1378         if (! needed::is_needed("push_$e->{NAME}")) {
1379 #               print "push_$e->{NAME} not needed\n";
1380                 return;
1381         }
1382
1383         if (defined($e->{PROPERTIES}) && !defined($e->{DATA}->{PROPERTIES})) {
1384                 $e->{DATA}->{PROPERTIES} = $e->{PROPERTIES};
1385         }
1386
1387         if ($e->{DATA}->{TYPE} eq "STRUCT") {
1388                 pidl $static . "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, struct $e->{NAME} *r)";
1389                 pidl "\n{\n";
1390                 ParseTypePush($e->{DATA});
1391                 pidl "\treturn NT_STATUS_OK;\n";
1392                 pidl "}\n\n";
1393         }
1394
1395         if ($e->{DATA}->{TYPE} eq "UNION") {
1396                 pidl $static . "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, int level, union $e->{NAME} *r)";
1397                 pidl "\n{\n";
1398                 ParseTypePush($e->{DATA});
1399                 pidl "\treturn NT_STATUS_OK;\n";
1400                 pidl "}\n\n";
1401         }
1402
1403         if ($e->{DATA}->{TYPE} eq "ENUM") {
1404                 pidl $static . "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, enum $e->{NAME} r)";
1405                 pidl "\n{\n";
1406                 ParseTypePush($e->{DATA});
1407                 pidl "\treturn NT_STATUS_OK;\n";
1408                 pidl "}\n\n";
1409         }
1410
1411         if ($e->{DATA}->{TYPE} eq "BITMAP") {
1412                 my $type_decl = util::bitmap_type_decl($e->{DATA});
1413                 pidl $static . "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, $type_decl r)";
1414                 pidl "\n{\n";
1415                 ParseTypePush($e->{DATA});
1416                 pidl "\treturn NT_STATUS_OK;\n";
1417                 pidl "}\n\n";
1418         }
1419 }
1420
1421
1422 #####################################################################
1423 # parse a typedef - pull side
1424 sub ParseTypedefPull($)
1425 {
1426         my($e) = shift;
1427         my $static = fn_prefix($e);
1428
1429         if (defined($e->{PROPERTIES}) && !defined($e->{DATA}->{PROPERTIES})) {
1430                 $e->{DATA}->{PROPERTIES} = $e->{PROPERTIES};
1431         }
1432
1433         if (! needed::is_needed("pull_$e->{NAME}")) {
1434 #               print "pull_$e->{NAME} not needed\n";
1435                 return;
1436         }
1437
1438         if ($e->{DATA}->{TYPE} eq "STRUCT") {
1439                 pidl $static . "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, struct $e->{NAME} *r)";
1440                 pidl "\n{\n";
1441                 ParseTypePull($e->{DATA});
1442                 pidl "\treturn NT_STATUS_OK;\n";
1443                 pidl "}\n\n";
1444         }
1445
1446         if ($e->{DATA}->{TYPE} eq "UNION") {
1447                 pidl $static . "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, int level, union $e->{NAME} *r)";
1448                 pidl "\n{\n";
1449                 ParseTypePull($e->{DATA});
1450                 pidl "\treturn NT_STATUS_OK;\n";
1451                 pidl "}\n\n";
1452         }
1453
1454         if ($e->{DATA}->{TYPE} eq "ENUM") {
1455                 pidl $static . "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, enum $e->{NAME} *r)";
1456                 pidl "\n{\n";
1457                 ParseTypePull($e->{DATA});
1458                 pidl "\treturn NT_STATUS_OK;\n";
1459                 pidl "}\n\n";
1460         }
1461
1462         if ($e->{DATA}->{TYPE} eq "BITMAP") {
1463                 my $type_decl = util::bitmap_type_decl($e->{DATA});
1464                 pidl $static . "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, $type_decl *r)";
1465                 pidl "\n{\n";
1466                 ParseTypePull($e->{DATA});
1467                 pidl "\treturn NT_STATUS_OK;\n";
1468                 pidl "}\n\n";
1469         }
1470 }
1471
1472
1473 #####################################################################
1474 # parse a typedef - print side
1475 sub ParseTypedefPrint($)
1476 {
1477         my($e) = shift;
1478
1479         if (defined($e->{PROPERTIES}) && !defined($e->{DATA}->{PROPERTIES})) {
1480                 $e->{DATA}->{PROPERTIES} = $e->{PROPERTIES};
1481         }
1482
1483         if ($e->{DATA}->{TYPE} eq "STRUCT") {
1484                 pidl "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, struct $e->{NAME} *r)";
1485                 pidl "\n{\n";
1486                 pidl "\tndr_print_struct(ndr, name, \"$e->{NAME}\");\n";
1487                 ParseTypePrint($e->{DATA});
1488                 pidl "}\n\n";
1489         }
1490
1491         if ($e->{DATA}->{TYPE} eq "UNION") {
1492                 pidl "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, int level, union $e->{NAME} *r)";
1493                 pidl "\n{\n";
1494                 pidl "\tndr_print_union(ndr, name, level, \"$e->{NAME}\");\n";
1495                 ParseTypePrint($e->{DATA});
1496                 pidl "}\n\n";
1497         }
1498
1499         if ($e->{DATA}->{TYPE} eq "ENUM") {
1500                 pidl "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, enum $e->{NAME} r)";
1501                 pidl "\n{\n";
1502                 ParseTypePrint($e->{DATA});
1503                 pidl "}\n\n";
1504         }
1505
1506         if ($e->{DATA}->{TYPE} eq "BITMAP") {
1507                 my $type_decl = util::bitmap_type_decl($e->{DATA});
1508                 pidl "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, $type_decl r)";
1509                 pidl "\n{\n";
1510                 ParseTypePrint($e->{DATA});
1511                 pidl "}\n\n";
1512         }
1513 }
1514
1515 #####################################################################
1516 ## calculate the size of a structure
1517 sub ParseTypedefNdrSize($)
1518 {
1519         my($t) = shift;
1520         if (! needed::is_needed("ndr_size_$t->{NAME}")) {
1521                 return;
1522         }
1523
1524         ($t->{DATA}->{TYPE} eq "STRUCT") &&
1525                 ParseStructNdrSize($t);
1526
1527         ($t->{DATA}->{TYPE} eq "UNION") &&
1528                 ParseUnionNdrSize($t);
1529 }
1530
1531 #####################################################################
1532 # parse a function - print side
1533 sub ParseFunctionPrint($)
1534 {
1535         my($fn) = shift;
1536
1537         pidl "void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, struct $fn->{NAME} *r)";
1538         pidl "\n{\n";
1539         pidl "\tndr_print_struct(ndr, name, \"$fn->{NAME}\");\n";
1540         pidl "\tndr->depth++;\n";
1541
1542         pidl "\tif (flags & NDR_SET_VALUES) {\n";
1543         pidl "\t\tndr->flags |= LIBNDR_PRINT_SET_VALUES;\n";
1544         pidl "\t}\n";
1545
1546         pidl "\tif (flags & NDR_IN) {\n";
1547         pidl "\t\tndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");\n";
1548         pidl "\tndr->depth++;\n";
1549
1550         foreach my $e (@{$fn->{ELEMENTS}}) {
1551                 if (util::has_property($e, "in")) {
1552                         ParseElementPrintScalar($e, "r->in.");
1553                 }
1554         }
1555         pidl "\tndr->depth--;\n";
1556         pidl "\t}\n";
1557
1558         pidl "\tif (flags & NDR_OUT) {\n";
1559         pidl "\t\tndr_print_struct(ndr, \"out\", \"$fn->{NAME}\");\n";
1560         pidl "\tndr->depth++;\n";
1561         foreach my $e (@{$fn->{ELEMENTS}}) {
1562                 if (util::has_property($e, "out")) {
1563                         ParseElementPrintScalar($e, "r->out.");
1564                 }
1565         }
1566         if ($fn->{RETURN_TYPE} && $fn->{RETURN_TYPE} ne "void") {
1567                 my $cprefix = "&";
1568                 $cprefix = "" if (is_scalar_type($fn->{RETURN_TYPE})) ; # FIXME: Should really use util::c_push_prefix here
1569                 pidl "\tndr_print_$fn->{RETURN_TYPE}(ndr, \"result\", $cprefix"."r->out.result);\n";
1570         }
1571         pidl "\tndr->depth--;\n";
1572         pidl "\t}\n";
1573
1574         pidl "\tndr->depth--;\n";
1575         pidl "}\n\n";
1576 }
1577
1578
1579 #####################################################################
1580 # parse a function element
1581 sub ParseFunctionElementPush($$)
1582 {
1583         my $e = shift;
1584         my $inout = shift;
1585
1586         if (util::array_size($e)) {
1587                 if (need_wire_pointer($e)) {
1588                         pidl "\tNDR_CHECK(ndr_push_ptr(ndr, r->$inout.$e->{NAME}));\n";
1589                         pidl "\tif (r->$inout.$e->{NAME}) {\n";
1590                         ParseArrayPush($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1591                         pidl "\t}\n";
1592                 } else {
1593                         ParseArrayPush($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1594                 }
1595         } else {
1596                 ParseElementPushScalar($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1597
1598                 if ($e->{POINTERS}) {
1599                         ParseElementPushBuffer($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1600                 }
1601         }
1602 }
1603
1604 #####################################################################
1605 # parse a function
1606 sub ParseFunctionPush($)
1607 {
1608         my($fn) = shift;
1609         my $static = fn_prefix($fn);
1610
1611         pidl $static . "NTSTATUS ndr_push_$fn->{NAME}(struct ndr_push *ndr, int flags, struct $fn->{NAME} *r)\n{\n";
1612
1613         pidl "\n\tif (!(flags & NDR_IN)) goto ndr_out;\n\n";
1614
1615         foreach my $e (@{$fn->{ELEMENTS}}) {
1616                 if (util::has_property($e, "in")) {
1617                         ParseFunctionElementPush($e, "in");
1618                 }
1619         }
1620
1621         pidl "\nndr_out:\n";
1622         pidl "\tif (!(flags & NDR_OUT)) goto done;\n\n";
1623
1624         foreach my $e (@{$fn->{ELEMENTS}}) {
1625                 if (util::has_property($e, "out")) {
1626                         ParseFunctionElementPush($e, "out");
1627                 }
1628         }
1629
1630         if ($fn->{RETURN_TYPE} && $fn->{RETURN_TYPE} ne "void") {
1631                 pidl "\tNDR_CHECK(ndr_push_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, r->out.result));\n";
1632         }
1633
1634         pidl "\ndone:\n";
1635         pidl "\n\treturn NT_STATUS_OK;\n}\n\n";
1636 }
1637
1638 #####################################################################
1639 # parse a function element
1640 sub ParseFunctionElementPull($$)
1641 {
1642         my $e = shift;
1643         my $inout = shift;
1644
1645         if (util::array_size($e)) {
1646                 if (need_wire_pointer($e)) {
1647                         pidl "\tNDR_CHECK(ndr_pull_ptr(ndr, &_ptr_$e->{NAME}));\n";
1648                         pidl "\tr->$inout.$e->{NAME} = NULL;\n";
1649                         pidl "\tif (_ptr_$e->{NAME}) {\n";
1650                 } elsif ($inout eq "out" && util::has_property($e, "ref")) {
1651                         pidl "\tif (r->$inout.$e->{NAME}) {\n";
1652                 } else {
1653                         pidl "\t{\n";
1654                 }
1655                 ParseArrayPull($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1656                 pidl "\t}\n";
1657         } else {
1658                 if ($inout eq "out" && util::has_property($e, "ref")) {
1659                         pidl "\tif (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {\n";
1660                         pidl "\tNDR_ALLOC(ndr, r->out.$e->{NAME});\n";
1661                         pidl "\t}\n";
1662                 }
1663                 if ($inout eq "in" && util::has_property($e, "ref")) {
1664                         pidl "\tNDR_ALLOC(ndr, r->in.$e->{NAME});\n";
1665                 }
1666
1667                 ParseElementPullScalar($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1668                 if ($e->{POINTERS}) {
1669                         ParseElementPullBuffer($e, "r->$inout.", "NDR_SCALARS|NDR_BUFFERS");
1670                 }
1671         }
1672 }
1673
1674
1675 ############################################################
1676 # allocate ref variables
1677 sub AllocateRefVars($)
1678 {
1679         my $e = shift;
1680         my $asize = util::array_size($e);
1681
1682         # note that if the variable is also an "in"
1683         # variable then we copy the initial value from
1684         # the in side
1685
1686         if (!defined $asize) {
1687                 # its a simple variable
1688                 pidl "\tNDR_ALLOC(ndr, r->out.$e->{NAME});\n";
1689                 if (util::has_property($e, "in")) {
1690                         pidl "\t*r->out.$e->{NAME} = *r->in.$e->{NAME};\n";
1691                 } else {
1692                         pidl "\tZERO_STRUCTP(r->out.$e->{NAME});\n";
1693                 }
1694                 return;
1695         }
1696
1697         # its an array
1698         my $size = ParseExpr($e, $asize, "r->out.");
1699         check_null_pointer($size);
1700         pidl "\tNDR_ALLOC_N(ndr, r->out.$e->{NAME}, $size);\n";
1701         if (util::has_property($e, "in")) {
1702                 pidl "\tmemcpy(r->out.$e->{NAME},r->in.$e->{NAME},$size * sizeof(*r->in.$e->{NAME}));\n";
1703         } else {
1704                 pidl "\tmemset(r->out.$e->{NAME}, 0, $size * sizeof(*r->out.$e->{NAME}));\n";
1705         }
1706 }
1707
1708
1709 #####################################################################
1710 # parse a function
1711 sub ParseFunctionPull($)
1712 {
1713         my($fn) = shift;
1714         my $static = fn_prefix($fn);
1715
1716         # pull function args
1717         pidl $static . "NTSTATUS ndr_pull_$fn->{NAME}(struct ndr_pull *ndr, int flags, struct $fn->{NAME} *r)\n{\n";
1718
1719         # declare any internal pointers we need
1720         foreach my $e (@{$fn->{ELEMENTS}}) {
1721                 if (need_wire_pointer($e)) {
1722                         pidl "\tuint32_t _ptr_$e->{NAME};\n";
1723                 }
1724         }
1725
1726         pidl "\n\tif (!(flags & NDR_IN)) goto ndr_out;\n\n";
1727
1728         # auto-init the out section of a structure. I originally argued that
1729         # this was a bad idea as it hides bugs, but coping correctly
1730         # with initialisation and not wiping ref vars is turning
1731         # out to be too tricky (tridge)
1732         foreach my $e (@{$fn->{ELEMENTS}}) {
1733                 if (util::has_property($e, "out")) {
1734                         pidl "\tZERO_STRUCT(r->out);\n\n";
1735                         last;
1736                 }
1737         }
1738
1739         foreach my $e (@{$fn->{ELEMENTS}}) {
1740                 if (util::has_property($e, "in")) {
1741                         ParseFunctionElementPull($e, "in");
1742                 }
1743                 # we need to allocate any reference output variables, so that
1744                 # a dcerpc backend can be sure they are non-null
1745                 if (util::has_property($e, "out") && util::has_property($e, "ref")) {
1746                         AllocateRefVars($e);
1747                 }
1748         }
1749
1750         foreach my $e (@{$fn->{ELEMENTS}}) {
1751                 if (util::has_property($e, "in")) {
1752                         CheckArraySizes($e, "r->in.");
1753                 }
1754         }
1755
1756         pidl "\nndr_out:\n";
1757         pidl "\tif (!(flags & NDR_OUT)) goto done;\n\n";
1758
1759         foreach my $e (@{$fn->{ELEMENTS}}) {
1760                 if (util::has_property($e, "out")) {
1761                         ParseFunctionElementPull($e, "out");
1762                 }
1763         }
1764
1765         foreach my $e (@{$fn->{ELEMENTS}}) {
1766                 if (util::has_property($e, "out")) {
1767                         CheckArraySizes($e, "r->out.");
1768                 }
1769         }
1770
1771         if ($fn->{RETURN_TYPE} && $fn->{RETURN_TYPE} ne "void") {
1772                 pidl "\tNDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, &r->out.result));\n";
1773         }
1774
1775         pidl "\ndone:\n";
1776         pidl "\n\treturn NT_STATUS_OK;\n}\n\n";
1777 }
1778
1779 #####################################################################
1780 # produce a function call table
1781 sub FunctionTable($)
1782 {
1783         my($interface) = shift;
1784         my($data) = $interface->{INHERITED_DATA};
1785         my $count = 0;
1786         my $uname = uc $interface->{NAME};
1787
1788         foreach my $d (@{$data}) {
1789                 if ($d->{TYPE} eq "FUNCTION") { $count++; }
1790         }
1791
1792         return if ($count == 0);
1793
1794         pidl "static const struct dcerpc_interface_call $interface->{NAME}\_calls[] = {\n";
1795         foreach my $d (@{$data}) {
1796                 if ($d->{TYPE} eq "FUNCTION") {
1797                         pidl "\t{\n";
1798                         pidl "\t\t\"$d->{NAME}\",\n";
1799                         pidl "\t\tsizeof(struct $d->{NAME}),\n";
1800                         pidl "\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},\n";
1801                         pidl "\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},\n";
1802                         pidl "\t\t(ndr_print_function_t) ndr_print_$d->{NAME}\n";
1803                         pidl "\t},\n";
1804                 }
1805         }
1806         pidl "\t{ NULL, 0, NULL, NULL, NULL }\n};\n\n";
1807
1808         # If no endpoint is set, default to the interface name as a named pipe
1809         if (! defined $interface->{PROPERTIES}->{endpoint}) {
1810                 $interface->{PROPERTIES}->{endpoint} = "\"ncacn_np:[\\\\pipe\\\\" . $interface->{NAME} . "]\"";
1811         }
1812
1813         my @e = split / /, $interface->{PROPERTIES}->{endpoint};
1814         my $endpoint_count = $#e + 1;
1815
1816         pidl "static const char * const $interface->{NAME}\_endpoint_strings[] = {\n";
1817         foreach my $ep (@e) {
1818                 pidl "\t$ep, \n";
1819         }
1820         pidl "};\n\n";
1821
1822         pidl "static const struct dcerpc_endpoint_list $interface->{NAME}\_endpoints = {\n";
1823         pidl "\t$endpoint_count, $interface->{NAME}\_endpoint_strings\n";
1824         pidl "};\n\n";
1825
1826         pidl "\nconst struct dcerpc_interface_table dcerpc_table_$interface->{NAME} = {\n";
1827         pidl "\t\"$interface->{NAME}\",\n";
1828         pidl "\tDCERPC_$uname\_UUID,\n";
1829         pidl "\tDCERPC_$uname\_VERSION,\n";
1830         pidl "\tDCERPC_$uname\_HELPSTRING,\n";
1831         pidl "\t$count,\n";
1832         pidl "\t$interface->{NAME}\_calls,\n";
1833         pidl "\t&$interface->{NAME}\_endpoints\n";
1834         pidl "};\n\n";
1835
1836         pidl "static NTSTATUS dcerpc_ndr_$interface->{NAME}_init(void)\n";
1837         pidl "{\n";
1838         pidl "\treturn librpc_register_interface(&dcerpc_table_$interface->{NAME});\n";
1839         pidl "}\n\n";
1840 }
1841
1842 #####################################################################
1843 # parse the interface definitions
1844 sub ParseInterface($)
1845 {
1846         my($interface) = shift;
1847         my($data) = $interface->{DATA};
1848
1849         # Push functions
1850         foreach my $d (@{$data}) {
1851                 ($d->{TYPE} eq "TYPEDEF") &&
1852                     ParseTypedefPush($d);
1853                 ($d->{TYPE} eq "FUNCTION") &&
1854                     ParseFunctionPush($d);
1855         }
1856
1857         # Pull functions
1858         foreach my $d (@{$data}) {
1859                 ($d->{TYPE} eq "TYPEDEF") &&
1860                     ParseTypedefPull($d);
1861                 ($d->{TYPE} eq "FUNCTION") &&
1862                     ParseFunctionPull($d);
1863         }
1864
1865         # Print functions
1866         foreach my $d (@{$data}) {
1867                 if ($d->{TYPE} eq "TYPEDEF" &&
1868                     !util::has_property($d, "noprint")) {
1869                         ParseTypedefPrint($d);
1870                 }
1871                 if ($d->{TYPE} eq "FUNCTION" &&
1872                     !util::has_property($d, "noprint")) {
1873                         ParseFunctionPrint($d);
1874                 }
1875         }
1876
1877         # Size functions
1878         foreach my $d (@{$data}) {
1879                 ($d->{TYPE} eq "TYPEDEF") &&
1880                         ParseTypedefNdrSize($d);
1881         }
1882
1883         FunctionTable($interface);
1884 }
1885
1886 sub RegistrationFunction($$)
1887 {
1888         my $idl = shift;
1889         my $filename = shift;
1890
1891         $filename =~ /.*\/ndr_(.*).c/;
1892         my $basename = $1;
1893         pidl "NTSTATUS dcerpc_$basename\_init(void)\n";
1894         pidl "{\n";
1895         pidl "\tNTSTATUS status = NT_STATUS_OK;\n";
1896         foreach my $interface (@{$idl}) {
1897                 next if $interface->{TYPE} ne "INTERFACE";
1898
1899                 my $data = $interface->{INHERITED_DATA};
1900                 my $count = 0;
1901                 foreach my $d (@{$data}) {
1902                         if ($d->{TYPE} eq "FUNCTION") { $count++; }
1903                 }
1904
1905                 next if ($count == 0);
1906
1907                 pidl "\tstatus = dcerpc_ndr_$interface->{NAME}_init();\n";
1908                 pidl "\tif (NT_STATUS_IS_ERR(status)) {\n";
1909                 pidl "\t\treturn status;\n";
1910                 pidl "\t}\n\n";
1911         }
1912         pidl "\treturn status;\n";
1913         pidl "}\n\n";
1914 }
1915
1916 sub CheckPointerTypes($$)
1917 {
1918         my $s = shift;
1919         my $default = shift;
1920
1921         foreach my $e (@{$s->{ELEMENTS}}) {
1922                 if ($e->{POINTERS}) {
1923                         if (not defined(pointer_type($e))) {
1924                                 $e->{PROPERTIES}->{$default} = 1;
1925                         }
1926
1927                         if (pointer_type($e) eq "ptr") {
1928                                 print "Warning: ptr is not supported by pidl yet\n";
1929                         }
1930                 }
1931         }
1932 }
1933
1934 sub LoadInterface($)
1935 {
1936         my $x = shift;
1937
1938         if (not util::has_property($x, "pointer_default")) {
1939                 $x->{PROPERTIES}->{pointer_default} = "ptr";
1940         }
1941
1942         foreach my $d (@{$x->{DATA}}) {
1943                 if ($d->{TYPE} eq "DECLARE" or $d->{TYPE} eq "TYPEDEF") {
1944                     $typedefs{$d->{NAME}} = $d;
1945                         if ($d->{DATA}->{TYPE} eq "STRUCT" or $d->{DATA}->{TYPE} eq "UNION") {
1946                                 CheckPointerTypes($d->{DATA}, $x->{PROPERTIES}->{pointer_default});
1947                         }
1948                 }
1949                 if ($d->{TYPE} eq "FUNCTION") {
1950                         CheckPointerTypes($d, $x->{PROPERTIES}->{pointer_default});
1951                 }
1952         }
1953 }
1954
1955 sub Load($)
1956 {
1957         my $idl = shift;
1958
1959         foreach my $x (@{$idl}) {
1960                 LoadInterface($x);
1961         }
1962 }
1963
1964 #####################################################################
1965 # parse a parsed IDL structure back into an IDL file
1966 sub Parse($$)
1967 {
1968         my($idl) = shift;
1969         my($filename) = shift;
1970         my $h_filename = $filename;
1971         $res = "";
1972
1973         Load($idl);
1974
1975         if ($h_filename =~ /(.*)\.c/) {
1976                 $h_filename = "$1.h";
1977         }
1978
1979         pidl "/* parser auto-generated by pidl */\n\n";
1980         pidl "#include \"includes.h\"\n";
1981         pidl "#include \"$h_filename\"\n\n";
1982
1983         foreach my $x (@{$idl}) {
1984                 if ($x->{TYPE} eq "INTERFACE") {
1985                         needed::BuildNeeded($x);
1986                         ParseInterface($x);
1987                 }
1988         }
1989
1990         RegistrationFunction($idl, $filename);
1991
1992         return $res;
1993 }
1994
1995 1;