diff options
Diffstat (limited to 'source4/pidl/Parse/Pidl/Samba/NDR/Parser.pm')
| -rw-r--r-- | source4/pidl/Parse/Pidl/Samba/NDR/Parser.pm | 2341 |
1 files changed, 2341 insertions, 0 deletions
diff --git a/source4/pidl/Parse/Pidl/Samba/NDR/Parser.pm b/source4/pidl/Parse/Pidl/Samba/NDR/Parser.pm new file mode 100644 index 0000000000..ef22ff9788 --- /dev/null +++ b/source4/pidl/Parse/Pidl/Samba/NDR/Parser.pm @@ -0,0 +1,2341 @@ +################################################### +# Samba4 NDR parser generator for IDL structures +# Copyright tridge@samba.org 2000-2003 +# Copyright tpot@samba.org 2001 +# Copyright jelmer@samba.org 2004-2005 +# released under the GNU GPL + +package Parse::Pidl::Samba::NDR::Parser; + +use strict; +use Parse::Pidl::Typelist qw(hasType getType mapType); +use Parse::Pidl::Util qw(has_property ParseExpr); +use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred); + +# list of known types +my %typefamily; + +sub get_typefamily($) +{ + my $n = shift; + return $typefamily{$n}; +} + +sub append_prefix($$) +{ + my ($e, $var_name) = @_; + my $pointers = 0; + + foreach my $l (@{$e->{LEVELS}}) { + if ($l->{TYPE} eq "POINTER") { + $pointers++; + } elsif ($l->{TYPE} eq "ARRAY") { + if (($pointers == 0) and + (not $l->{IS_FIXED}) and + (not $l->{IS_INLINE})) { + return get_value_of($var_name); + } + } elsif ($l->{TYPE} eq "DATA") { + if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) { + return get_value_of($var_name) unless ($pointers); + } + } + } + + return $var_name; +} + +sub has_fast_array($$) +{ + my ($e,$l) = @_; + + return 0 if ($l->{TYPE} ne "ARRAY"); + + my $nl = GetNextLevel($e,$l); + return 0 unless ($nl->{TYPE} eq "DATA"); + return 0 unless (hasType($nl->{DATA_TYPE})); + + my $t = getType($nl->{DATA_TYPE}); + + # Only uint8 and string have fast array functions at the moment + return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string"); +} + +sub is_charset_array($$) +{ + my ($e,$l) = @_; + + return 0 if ($l->{TYPE} ne "ARRAY"); + + my $nl = GetNextLevel($e,$l); + + return 0 unless ($nl->{TYPE} eq "DATA"); + + return has_property($e, "charset"); +} + +sub get_pointer_to($) +{ + my $var_name = shift; + + if ($var_name =~ /^\*(.*)$/) { + return $1; + } elsif ($var_name =~ /^\&(.*)$/) { + return "&($var_name)"; + } else { + return "&$var_name"; + } +} + +sub get_value_of($) +{ + my $var_name = shift; + + if ($var_name =~ /^\&(.*)$/) { + return $1; + } else { + return "*$var_name"; + } +} + +my $res = ""; +my $deferred = ""; +my $tabs = ""; + +#################################### +# pidl() is our basic output routine +sub pidl($) +{ + my $d = shift; + if ($d) { + $res .= $tabs; + $res .= $d; + } + $res .="\n"; +} + +#################################### +# defer() is like pidl(), but adds to +# a deferred buffer which is then added to the +# output buffer at the end of the structure/union/function +# This is needed to cope with code that must be pushed back +# to the end of a block of elements +sub defer($) +{ + my $d = shift; + if ($d) { + $deferred .= $tabs; + $deferred .= $d; + } + $deferred .="\n"; +} + +######################################## +# add the deferred content to the current +# output +sub add_deferred() +{ + $res .= $deferred; + $deferred = ""; +} + +sub indent() +{ + $tabs .= "\t"; +} + +sub deindent() +{ + $tabs = substr($tabs, 0, -1); +} + +##################################################################### +# check that a variable we get from ParseExpr isn't a null pointer +sub check_null_pointer($) +{ + my $size = shift; + if ($size =~ /^\*/) { + my $size2 = substr($size, 1); + pidl "if ($size2 == NULL) return NT_STATUS_INVALID_PARAMETER_MIX;"; + } +} + +##################################################################### +# check that a variable we get from ParseExpr isn't a null pointer, +# putting the check at the end of the structure/function +sub check_null_pointer_deferred($) +{ + my $size = shift; + if ($size =~ /^\*/) { + my $size2 = substr($size, 1); + defer "if ($size2 == NULL) return NT_STATUS_INVALID_PARAMETER_MIX;"; + } +} + +##################################################################### +# check that a variable we get from ParseExpr isn't a null pointer +# void return varient +sub check_null_pointer_void($) +{ + my $size = shift; + if ($size =~ /^\*/) { + my $size2 = substr($size, 1); + pidl "if ($size2 == NULL) return;"; + } +} + +##################################################################### +# work out is a parse function should be declared static or not +sub fn_prefix($) +{ + my $fn = shift; + + return "" if (has_property($fn, "public")); + return "static "; +} + +################################################################### +# setup any special flags for an element or structure +sub start_flags($) +{ + my $e = shift; + my $flags = has_property($e, "flag"); + if (defined $flags) { + pidl "{"; + indent; + pidl "uint32_t _flags_save_$e->{TYPE} = ndr->flags;"; + pidl "ndr_set_flags(&ndr->flags, $flags);"; + } +} + +################################################################### +# end any special flags for an element or structure +sub end_flags($) +{ + my $e = shift; + my $flags = has_property($e, "flag"); + if (defined $flags) { + pidl "ndr->flags = _flags_save_$e->{TYPE};"; + deindent; + pidl "}"; + } +} + +sub GenerateStructEnv($) +{ + my $x = shift; + my %env; + + foreach my $e (@{$x->{ELEMENTS}}) { + $env{$e->{NAME}} = "r->$e->{NAME}"; + } + + $env{"this"} = "r"; + + return \%env; +} + +sub GenerateFunctionInEnv($) +{ + my $fn = shift; + my %env; + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep (/in/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = "r->in.$e->{NAME}"; + } + } + + return \%env; +} + +sub GenerateFunctionOutEnv($) +{ + my $fn = shift; + my %env; + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep (/out/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = "r->out.$e->{NAME}"; + } elsif (grep (/in/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = "r->in.$e->{NAME}"; + } + } + + return \%env; +} + +##################################################################### +# parse the data of an array - push side +sub ParseArrayPushHeader($$$$$) +{ + my ($e,$l,$ndr,$var_name,$env) = @_; + + my $size; + my $length; + + if ($l->{IS_ZERO_TERMINATED}) { + $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))"; + } else { + $size = ParseExpr($l->{SIZE_IS}, $env); + $length = ParseExpr($l->{LENGTH_IS}, $env); + } + + if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) { + pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $size));"; + } + + if ($l->{IS_VARYING}) { + pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, 0));"; # array offset + pidl "NDR_CHECK(ndr_push_uint32($ndr, NDR_SCALARS, $length));"; + } + + return $length; +} + +##################################################################### +# parse an array - pull side +sub ParseArrayPullHeader($$$$$) +{ + my ($e,$l,$ndr,$var_name,$env) = @_; + + my $length; + my $size; + + if ($l->{IS_CONFORMANT}) { + $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")"; + } elsif ($l->{IS_ZERO_TERMINATED}) { # Noheader arrays + $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))"; + } else { + $length = $size = ParseExpr($l->{SIZE_IS}, $env); + } + + if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) { + pidl "NDR_CHECK(ndr_pull_array_size(ndr, " . get_pointer_to($var_name) . "));"; + } + + + if ($l->{IS_VARYING}) { + pidl "NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));"; + $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")"; + } + + check_null_pointer($length); + + if ($length ne $size) { + pidl "if ($length > $size) {"; + indent; + pidl "return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);"; + deindent; + pidl "}"; + } + + if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) { + my $size = ParseExpr($l->{SIZE_IS}, $env); + defer "if ($var_name) {"; + check_null_pointer_deferred($size); + defer "NDR_CHECK(ndr_check_array_size(ndr, (void*)" . get_pointer_to($var_name) . ", $size));"; + defer "}"; + } + + if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) { + my $length = ParseExpr($l->{LENGTH_IS}, $env); + defer "if ($var_name) {"; + check_null_pointer_deferred($length); + defer "NDR_CHECK(ndr_check_array_length(ndr, (void*)" . get_pointer_to($var_name) . ", $length));"; + defer "}" + } + + if (not $l->{IS_FIXED} and not is_charset_array($e, $l)) { + AllocateArrayLevel($e,$l,$ndr,$env,$size); + } + + return $length; +} + +sub compression_alg($$) +{ + my ($e,$l) = @_; + my $compression = $l->{COMPRESSION}; + my ($alg, $clen, $dlen) = split(/ /, $compression); + + return $alg; +} + +sub compression_clen($$$) +{ + my ($e,$l,$env) = @_; + my $compression = $l->{COMPRESSION}; + my ($alg, $clen, $dlen) = split(/ /, $compression); + + return ParseExpr($clen, $env); +} + +sub compression_dlen($$$) +{ + my ($e,$l,$env) = @_; + my $compression = $l->{COMPRESSION}; + my ($alg, $clen, $dlen) = split(/ /, $compression); + + return ParseExpr($dlen, $env); +} + +sub ParseCompressionPushStart($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $comndr = "$ndr\_compressed"; + my $alg = compression_alg($e, $l); + my $dlen = compression_dlen($e, $l, $env); + + pidl "{"; + indent; + pidl "struct ndr_push *$comndr;"; + pidl "NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));"; + + return $comndr; +} + +sub ParseCompressionPushEnd($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $comndr = "$ndr\_compressed"; + my $alg = compression_alg($e, $l); + my $dlen = compression_dlen($e, $l, $env); + + pidl "NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));"; + deindent; + pidl "}"; +} + +sub ParseCompressionPullStart($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $comndr = "$ndr\_compressed"; + my $alg = compression_alg($e, $l); + my $dlen = compression_dlen($e, $l, $env); + + pidl "{"; + indent; + pidl "struct ndr_pull *$comndr;"; + pidl "NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));"; + + return $comndr; +} + +sub ParseCompressionPullEnd($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $comndr = "$ndr\_compressed"; + my $alg = compression_alg($e, $l); + my $dlen = compression_dlen($e, $l, $env); + + pidl "NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));"; + deindent; + pidl "}"; +} + +sub ParseObfuscationPushStart($$) +{ + my ($e,$ndr) = @_; + my $obfuscation = has_property($e, "obfuscation"); + + pidl "NDR_CHECK(ndr_push_obfuscation_start($ndr, $obfuscation));"; + + return $ndr; +} + +sub ParseObfuscationPushEnd($$) +{ + my ($e,$ndr) = @_; + my $obfuscation = has_property($e, "obfuscation"); + + pidl "NDR_CHECK(ndr_push_obfuscation_end($ndr, $obfuscation));"; +} + +sub ParseObfuscationPullStart($$) +{ + my ($e,$ndr) = @_; + my $obfuscation = has_property($e, "obfuscation"); + + pidl "NDR_CHECK(ndr_pull_obfuscation_start($ndr, $obfuscation));"; + + return $ndr; +} + +sub ParseObfuscationPullEnd($$) +{ + my ($e,$ndr) = @_; + my $obfuscation = has_property($e, "obfuscation"); + + pidl "NDR_CHECK(ndr_pull_obfuscation_end($ndr, $obfuscation));"; +} + +sub ParseSubcontextPushStart($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $subndr = "_ndr_$e->{NAME}"; + my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE},$env); + + pidl "{"; + indent; + pidl "struct ndr_push *$subndr;"; + pidl "NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));"; + + if (defined $l->{COMPRESSION}) { + $subndr = ParseCompressionPushStart($e, $l, $subndr, $env); + } + + if (defined $l->{OBFUSCATION}) { + $subndr = ParseObfuscationPushStart($e, $subndr); + } + + return $subndr; +} + +sub ParseSubcontextPushEnd($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $subndr = "_ndr_$e->{NAME}"; + my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE},$env); + + if (defined $l->{COMPRESSION}) { + ParseCompressionPushEnd($e, $l, $subndr, $env); + } + + if (defined $l->{OBFUSCATION}) { + ParseObfuscationPushEnd($e, $subndr); + } + + pidl "NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));"; + deindent; + pidl "}"; +} + +sub ParseSubcontextPullStart($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $subndr = "_ndr_$e->{NAME}"; + my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE},$env); + + pidl "{"; + indent; + pidl "struct ndr_pull *$subndr;"; + pidl "NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));"; + + if (defined $l->{COMPRESSION}) { + $subndr = ParseCompressionPullStart($e, $l, $subndr, $env); + } + + if (defined $l->{OBFUSCATION}) { + $subndr = ParseObfuscationPullStart($e, $subndr); + } + + return $subndr; +} + +sub ParseSubcontextPullEnd($$$$) +{ + my ($e,$l,$ndr,$env) = @_; + my $subndr = "_ndr_$e->{NAME}"; + my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE},$env); + + if (defined $l->{COMPRESSION}) { + ParseCompressionPullEnd($e, $l, $subndr, $env); + } + + if (defined $l->{OBFUSCATION}) { + ParseObfuscationPullEnd($e, $subndr); + } + + pidl "NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));"; + deindent; + pidl "}"; +} + +sub ParseElementPushLevel +{ + my ($e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_; + + my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred); + + if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING} + or is_charset_array($e, $l))) { + $var_name = get_pointer_to($var_name); + } + + if (defined($ndr_flags)) { + if ($l->{TYPE} eq "SUBCONTEXT") { + my $subndr = ParseSubcontextPushStart($e, $l, $ndr, $env); + ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1); + ParseSubcontextPushEnd($e, $l, $ndr, $env); + } elsif ($l->{TYPE} eq "POINTER") { + ParsePtrPush($e, $l, $var_name); + } elsif ($l->{TYPE} eq "ARRAY") { + my $length = ParseArrayPushHeader($e, $l, $ndr, $var_name, $env); + + my $nl = GetNextLevel($e, $l); + + # Allow speedups for arrays of scalar types + if (is_charset_array($e,$l)) { + pidl "NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapType($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));"; + return; + } elsif (has_fast_array($e,$l)) { + pidl "NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));"; + return; + } + } elsif ($l->{TYPE} eq "SWITCH") { + ParseSwitchPush($e, $l, $ndr, $var_name, $ndr_flags, $env); + } elsif ($l->{TYPE} eq "DATA") { + ParseDataPush($e, $l, $ndr, $var_name, $ndr_flags); + } + } + + if ($l->{TYPE} eq "POINTER" and $deferred) { + if ($l->{POINTER_TYPE} ne "ref") { + pidl "if ($var_name) {"; + indent; + if ($l->{POINTER_TYPE} eq "relative") { + pidl "NDR_CHECK(ndr_push_relative_ptr2(ndr, $var_name));"; + } + } + $var_name = get_value_of($var_name); + ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1); + + if ($l->{POINTER_TYPE} ne "ref") { + deindent; + pidl "}"; + } + } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and + not is_charset_array($e, $l)) { + my $length = ParseExpr($l->{LENGTH_IS}, $env); + my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}"; + + $var_name = $var_name . "[$counter]"; + + if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) { + pidl "for ($counter = 0; $counter < $length; $counter++) {"; + indent; + ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0); + deindent; + pidl "}"; + } + + if ($deferred and ContainsDeferred($e, $l)) { + pidl "for ($counter = 0; $counter < $length; $counter++) {"; + indent; + ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1); + deindent; + pidl "}"; + } + } elsif ($l->{TYPE} eq "SWITCH") { + ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred); + } +} + +##################################################################### +# parse scalars in a structure element +sub ParseElementPush($$$$$$) +{ + my ($e,$ndr,$var_prefix,$env,$primitives,$deferred) = @_; + my $subndr = undef; + + my $var_name = $var_prefix.$e->{NAME}; + + $var_name = append_prefix($e, $var_name); + + return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0])); + + start_flags($e); + + if (my $value = has_property($e, "value")) { + $var_name = ParseExpr($value, $env); + } + + ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred); + + end_flags($e); +} + +##################################################################### +# parse a pointer in a struct element or function +sub ParsePtrPush($$$) +{ + my ($e,$l,$var_name) = @_; + + if ($l->{POINTER_TYPE} eq "ref") { + if ($l->{LEVEL} eq "EMBEDDED") { + pidl "NDR_CHECK(ndr_push_ref_ptr(ndr, $var_name));"; + } else { + check_null_pointer(get_value_of($var_name)); + } + } elsif ($l->{POINTER_TYPE} eq "relative") { + pidl "NDR_CHECK(ndr_push_relative_ptr1(ndr, $var_name));"; + } elsif ($l->{POINTER_TYPE} eq "unique") { + pidl "NDR_CHECK(ndr_push_unique_ptr(ndr, $var_name));"; + } elsif ($l->{POINTER_TYPE} eq "sptr") { + pidl "NDR_CHECK(ndr_push_sptr_ptr(ndr, $var_name));"; + } else { + die("Unhandled pointer type $l->{POINTER_TYPE}"); + } +} + +##################################################################### +# print scalars in a structure element +sub ParseElementPrint($$$) +{ + my($e,$var_name,$env) = @_; + + $var_name = append_prefix($e, $var_name); + return if (has_property($e, "noprint")); + + if (my $value = has_property($e, "value")) { + $var_name = "(ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env) . ":$var_name"; + } + + foreach my $l (@{$e->{LEVELS}}) { + if ($l->{TYPE} eq "POINTER") { + pidl "ndr_print_ptr(ndr, \"$e->{NAME}\", $var_name);"; + pidl "ndr->depth++;"; + if ($l->{POINTER_TYPE} ne "ref") { + pidl "if ($var_name) {"; + indent; + } + $var_name = get_value_of($var_name); + } elsif ($l->{TYPE} eq "ARRAY") { + my $length; + + if ($l->{IS_CONFORMANT} or $l->{IS_VARYING} or + is_charset_array($e,$l)) { + $var_name = get_pointer_to($var_name); + } + + if ($l->{IS_ZERO_TERMINATED}) { + $length = "ndr_string_length($var_name, sizeof(*$var_name))"; + } else { + $length = ParseExpr($l->{LENGTH_IS}, $env); + } + + if (is_charset_array($e,$l)) { + pidl "ndr_print_string(ndr, \"$e->{NAME}\", $var_name);"; + last; + } elsif (has_fast_array($e, $l)) { + my $nl = GetNextLevel($e, $l); + pidl "ndr_print_array_$nl->{DATA_TYPE}(ndr, \"$e->{NAME}\", $var_name, $length);"; + last; + } else { + my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}"; + + pidl "ndr->print(ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", $length);"; + pidl 'ndr->depth++;'; + pidl "for ($counter=0;$counter<$length;$counter++) {"; + indent; + pidl "char *idx_$l->{LEVEL_INDEX}=NULL;"; + pidl "asprintf(&idx_$l->{LEVEL_INDEX}, \"[\%d]\", $counter);"; + pidl "if (idx_$l->{LEVEL_INDEX}) {"; + indent; + + $var_name = $var_name . "[$counter]"; + } + } elsif ($l->{TYPE} eq "DATA") { + if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE}) or Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) { + $var_name = get_pointer_to($var_name); + } + pidl "ndr_print_$l->{DATA_TYPE}(ndr, \"$e->{NAME}\", $var_name);"; + } elsif ($l->{TYPE} eq "SWITCH") { + my $switch_var = ParseExpr($l->{SWITCH_IS}, $env); + check_null_pointer_void($switch_var); + pidl "ndr_print_set_switch_value(ndr, " . get_pointer_to($var_name) . ", $switch_var);"; + } + } + + foreach my $l (reverse @{$e->{LEVELS}}) { + if ($l->{TYPE} eq "POINTER") { + if ($l->{POINTER_TYPE} ne "ref") { + deindent; + pidl "}"; + } + pidl "ndr->depth--;"; + } elsif (($l->{TYPE} eq "ARRAY") + and not is_charset_array($e,$l) + and not has_fast_array($e,$l)) { + pidl "free(idx_$l->{LEVEL_INDEX});"; + deindent; + pidl "}"; + deindent; + pidl "}"; + pidl "ndr->depth--;"; + } + } +} + +##################################################################### +# parse scalars in a structure element - pull size +sub ParseSwitchPull($$$$$$) +{ + my($e,$l,$ndr,$var_name,$ndr_flags,$env) = @_; + my $switch_var = ParseExpr($l->{SWITCH_IS}, $env); + + check_null_pointer($switch_var); + + $var_name = get_pointer_to($var_name); + pidl "NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));"; +} + +##################################################################### +# push switch element +sub ParseSwitchPush($$$$$$) +{ + my($e,$l,$ndr,$var_name,$ndr_flags,$env) = @_; + my $switch_var = ParseExpr($l->{SWITCH_IS}, $env); + + check_null_pointer($switch_var); + $var_name = get_pointer_to($var_name); + pidl "NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));"; +} + +sub ParseDataPull($$$$$) +{ + my ($e,$l,$ndr,$var_name,$ndr_flags) = @_; + + if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) { + $var_name = get_pointer_to($var_name); + } + + $var_name = get_pointer_to($var_name); + + pidl "NDR_CHECK(ndr_pull_$l->{DATA_TYPE}($ndr, $ndr_flags, $var_name));"; + + if (my $range = has_property($e, "range")) { + $var_name = get_value_of($var_name); + my ($low, $high) = split(/ /, $range, 2); + pidl "if ($var_name < $low || $var_name > $high) {"; + pidl "\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");"; + pidl "}"; + } +} + +sub ParseDataPush($$$$$) +{ + my ($e,$l,$ndr,$var_name,$ndr_flags) = @_; + + # strings are passed by value rather then reference + if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE}) or Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) { + $var_name = get_pointer_to($var_name); + } + + pidl "NDR_CHECK(ndr_push_$l->{DATA_TYPE}($ndr, $ndr_flags, $var_name));"; +} + +sub CalcNdrFlags($$$) +{ + my ($l,$primitives,$deferred) = @_; + + my $scalars = 0; + my $buffers = 0; + + # Add NDR_SCALARS if this one is deferred + # and deferreds may be pushed + $scalars = 1 if ($l->{IS_DEFERRED} and $deferred); + + # Add NDR_SCALARS if this one is not deferred and + # primitives may be pushed + $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives); + + # Add NDR_BUFFERS if this one contains deferred stuff + # and deferreds may be pushed + $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred); + + return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers); + return "NDR_SCALARS" if ($scalars); + return "NDR_BUFFERS" if ($buffers); + return undef; +} + +sub ParseMemCtxPullStart($$$) +{ + my $e = shift; + my $l = shift; + my $ptr_name = shift; + + my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}"; + my $mem_c_ctx = $ptr_name; + my $mem_c_flags = "0"; + + return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED}); + + if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) { + my $nl = GetNextLevel($e, $l); + my $next_is_array = ($nl->{TYPE} eq "ARRAY"); + my $next_is_string = (($nl->{TYPE} eq "DATA") and + ($nl->{DATA_TYPE} eq "string")); + if ($next_is_array or $next_is_string) { + return; + } else { + $mem_c_flags = "LIBNDR_FLAG_REF_ALLOC"; + } + } + + pidl "$mem_r_ctx = NDR_PULL_GET_MEM_CTX(ndr);"; + pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_c_ctx, $mem_c_flags);"; +} + +sub ParseMemCtxPullEnd($$) +{ + my $e = shift; + my $l = shift; + + my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}"; + my $mem_r_flags = "0"; + + return if ($l->{TYPE} eq "ARRAY" and $l->{IS_FIXED}); + + if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) { + my $nl = GetNextLevel($e, $l); + my $next_is_array = ($nl->{TYPE} eq "ARRAY"); + my $next_is_string = (($nl->{TYPE} eq "DATA") and + ($nl->{DATA_TYPE} eq "string")); + if ($next_is_array or $next_is_string) { + return; + } else { + $mem_r_flags = "LIBNDR_FLAG_REF_ALLOC"; + } + } + + pidl "NDR_PULL_SET_MEM_CTX(ndr, $mem_r_ctx, $mem_r_flags);"; +} + +sub ParseElementPullLevel +{ + my($e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_; + + my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred); + + if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT} + or is_charset_array($e,$l))) { + $var_name = get_pointer_to($var_name); + } + + # Only pull something if there's actually something to be pulled + if (defined($ndr_flags)) { + if ($l->{TYPE} eq "SUBCONTEXT") { + my $subndr = ParseSubcontextPullStart($e, $l, $ndr, $env); + ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1); + ParseSubcontextPullEnd($e, $l, $ndr, $env); + } elsif ($l->{TYPE} eq "ARRAY") { + my $length = ParseArrayPullHeader($e, $l, $ndr, $var_name, $env); + + my $nl = GetNextLevel($e, $l); + + if (is_charset_array($e,$l)) { + pidl "NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapType($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));"; + return; + } elsif (has_fast_array($e, $l)) { + pidl "NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));"; + if ($l->{IS_ZERO_TERMINATED}) { + # Make sure last element is zero! + pidl "NDR_CHECK(ndr_check_string_terminator($ndr, $var_name, $length, sizeof(*$var_name)));"; + } + return; + } + } elsif ($l->{TYPE} eq "POINTER") { + ParsePtrPull($e, $l, $ndr, $var_name); + } elsif ($l->{TYPE} eq "SWITCH") { + ParseSwitchPull($e, $l, $ndr, $var_name, $ndr_flags, $env); + } elsif ($l->{TYPE} eq "DATA") { + ParseDataPull($e, $l, $ndr, $var_name, $ndr_flags); + } + } + + # add additional constructions + if ($l->{TYPE} eq "POINTER" and $deferred) { + if ($l->{POINTER_TYPE} ne "ref") { + pidl "if ($var_name) {"; + indent; + + if ($l->{POINTER_TYPE} eq "relative") { + pidl "struct ndr_pull_save _relative_save;"; + pidl "ndr_pull_save(ndr, &_relative_save);"; + pidl "NDR_CHECK(ndr_pull_relative_ptr2(ndr, $var_name));"; + } + } + + ParseMemCtxPullStart($e,$l, $var_name); + + $var_name = get_value_of($var_name); + ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1); + + ParseMemCtxPullEnd($e,$l); + + if ($l->{POINTER_TYPE} ne "ref") { + if ($l->{POINTER_TYPE} eq "relative") { + pidl "ndr_pull_restore(ndr, &_relative_save);"; + } + deindent; + pidl "}"; + } + } elsif ($l->{TYPE} eq "ARRAY" and + not has_fast_array($e,$l) and not is_charset_array($e, $l)) { + my $length = ParseExpr($l->{LENGTH_IS}, $env); + my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}"; + my $array_name = $var_name; + + $var_name = $var_name . "[$counter]"; + + ParseMemCtxPullStart($e,$l, $array_name); + + if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) { + pidl "for ($counter = 0; $counter < $length; $counter++) {"; + indent; + ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 0); + deindent; + pidl "}"; + + if ($l->{IS_ZERO_TERMINATED}) { + # Make sure last element is zero! + pidl "NDR_CHECK(ndr_check_string_terminator($ndr, $var_name, $length, sizeof(*$var_name)));"; + } + } + + if ($deferred and ContainsDeferred($e, $l)) { + pidl "for ($counter = 0; $counter < $length; $counter++) {"; + indent; + ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1); + deindent; + pidl "}"; + } + + ParseMemCtxPullEnd($e,$l); + + } elsif ($l->{TYPE} eq "SWITCH") { + ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred); + } +} + +##################################################################### +# parse scalars in a structure element - pull size +sub ParseElementPull($$$$$$) +{ + my($e,$ndr,$var_prefix,$env,$primitives,$deferred) = @_; + + my $var_name = $var_prefix.$e->{NAME}; + + $var_name = append_prefix($e, $var_name); + + return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0])); + + start_flags($e); + + ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred); + + end_flags($e); +} + +##################################################################### +# parse a pointer in a struct element or function +sub ParsePtrPull($$$$) +{ + my($e,$l,$ndr,$var_name) = @_; + + my $nl = GetNextLevel($e, $l); + my $next_is_array = ($nl->{TYPE} eq "ARRAY"); + my $next_is_string = (($nl->{TYPE} eq "DATA") and + ($nl->{DATA_TYPE} eq "string")); + + if ($l->{POINTER_TYPE} eq "ref") { + unless ($l->{LEVEL} eq "TOP") { + pidl "NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));"; + } + + unless ($next_is_array or $next_is_string) { + pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {"; + pidl "\tNDR_PULL_ALLOC($ndr, $var_name);"; + pidl "}"; + } + + return; + } elsif (($l->{POINTER_TYPE} eq "unique") or + ($l->{POINTER_TYPE} eq "relative") or + ($l->{POINTER_TYPE} eq "sptr")) { + pidl "NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));"; + pidl "if (_ptr_$e->{NAME}) {"; + indent; + } else { + die("Unhandled pointer type $l->{POINTER_TYPE}"); + } + + # Don't do this for arrays, they're allocated at the actual level + # of the array + unless ($next_is_array or $next_is_string) { + pidl "NDR_PULL_ALLOC($ndr, $var_name);"; + } else { + # FIXME: Yes, this is nasty. + # We allocate an array twice + # - once just to indicate that it's there, + # - then the real allocation... + pidl "NDR_PULL_ALLOC_SIZE($ndr, $var_name, 1);"; + } + + #pidl "memset($var_name, 0, sizeof($var_name));"; + if ($l->{POINTER_TYPE} eq "relative") { + pidl "NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));"; + } + deindent; + pidl "} else {"; + pidl "\t$var_name = NULL;"; + pidl "}"; +} + +##################################################################### +# parse a struct +sub ParseStructPush($$) +{ + my($struct,$name) = @_; + + return unless defined($struct->{ELEMENTS}); + + my $env = GenerateStructEnv($struct); + + # save the old relative_base_offset + pidl "uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset(ndr);" if defined($struct->{PROPERTIES}{relative_base}); + + foreach my $e (@{$struct->{ELEMENTS}}) { + DeclareArrayVariables($e); + } + + start_flags($struct); + + # see if the structure contains a conformant array. If it + # does, then it must be the last element of the structure, and + # we need to push the conformant length early, as it fits on + # the wire before the structure (and even before the structure + # alignment) + my $e = $struct->{ELEMENTS}[-1]; + if (defined($struct->{SURROUNDING_ELEMENT})) { + my $e = $struct->{SURROUNDING_ELEMENT}; + + if (defined($e->{LEVELS}[0]) and + $e->{LEVELS}[0]->{TYPE} eq "ARRAY") { + my $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env); + + pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));"; + } else { + pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_string_array_size(ndr, r->$e->{NAME})));"; + } + } + + pidl "if (ndr_flags & NDR_SCALARS) {"; + indent; + + pidl "NDR_CHECK(ndr_push_align(ndr, $struct->{ALIGN}));"; + + if (defined($struct->{PROPERTIES}{relative_base})) { + # set the current offset as base for relative pointers + # and store it based on the toplevel struct/union + pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, r, ndr->offset));"; + } + + foreach my $e (@{$struct->{ELEMENTS}}) { + ParseElementPush($e, "ndr", "r->", $env, 1, 0); + } + + deindent; + pidl "}"; + + pidl "if (ndr_flags & NDR_BUFFERS) {"; + indent; + if (defined($struct->{PROPERTIES}{relative_base})) { + # retrieve the current offset as base for relative pointers + # based on the toplevel struct/union + pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, r));"; + } + foreach my $e (@{$struct->{ELEMENTS}}) { + ParseElementPush($e, "ndr", "r->", $env, 0, 1); + } + + deindent; + pidl "}"; + + end_flags($struct); + # restore the old relative_base_offset + pidl "ndr_push_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined($struct->{PROPERTIES}{relative_base}); +} + +##################################################################### +# generate a push function for an enum +sub ParseEnumPush($$) +{ + my($enum,$name) = @_; + my($type_fn) = $enum->{BASE_TYPE}; + + start_flags($enum); + pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, r));"; + end_flags($enum); +} + +##################################################################### +# generate a pull function for an enum +sub ParseEnumPull($$) +{ + my($enum,$name) = @_; + my($type_fn) = $enum->{BASE_TYPE}; + my($type_v_decl) = mapType($type_fn); + + pidl "$type_v_decl v;"; + start_flags($enum); + pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));"; + pidl "*r = v;"; + + end_flags($enum); +} + +##################################################################### +# generate a print function for an enum +sub ParseEnumPrint($$) +{ + my($enum,$name) = @_; + + pidl "const char *val = NULL;"; + pidl ""; + + start_flags($enum); + + pidl "switch (r) {"; + indent; + my $els = \@{$enum->{ELEMENTS}}; + foreach my $i (0 .. $#{$els}) { + my $e = ${$els}[$i]; + chomp $e; + if ($e =~ /^(.*)=/) { + $e = $1; + } + pidl "case $e: val = \"$e\"; break;"; + } + + deindent; + pidl "}"; + + pidl "ndr_print_enum(ndr, name, \"$enum->{TYPE}\", val, r);"; + + end_flags($enum); +} + +sub DeclEnum($) +{ + my ($e,$t) = @_; + return "enum $e->{NAME} " . + ($t eq "pull"?"*":"") . "r"; +} + +$typefamily{ENUM} = { + DECL => \&DeclEnum, + PUSH_FN_BODY => \&ParseEnumPush, + PULL_FN_BODY => \&ParseEnumPull, + PRINT_FN_BODY => \&ParseEnumPrint, +}; + +##################################################################### +# generate a push function for a bitmap +sub ParseBitmapPush($$) +{ + my($bitmap,$name) = @_; + my($type_fn) = $bitmap->{BASE_TYPE}; + + start_flags($bitmap); + + pidl "NDR_CHECK(ndr_push_$type_fn(ndr, NDR_SCALARS, r));"; + + end_flags($bitmap); +} + +##################################################################### +# generate a pull function for an bitmap +sub ParseBitmapPull($$) +{ + my($bitmap,$name) = @_; + my $type_fn = $bitmap->{BASE_TYPE}; + my($type_decl) = mapType($bitmap->{BASE_TYPE}); + + pidl "$type_decl v;"; + start_flags($bitmap); + pidl "NDR_CHECK(ndr_pull_$type_fn(ndr, NDR_SCALARS, &v));"; + pidl "*r = v;"; + + end_flags($bitmap); +} + +##################################################################### +# generate a print function for an bitmap +sub ParseBitmapPrintElement($$$) +{ + my($e,$bitmap,$name) = @_; + my($type_decl) = mapType($bitmap->{BASE_TYPE}); + my($type_fn) = $bitmap->{BASE_TYPE}; + my($flag); + + if ($e =~ /^(\w+) .*$/) { + $flag = "$1"; + } else { + die "Bitmap: \"$name\" invalid Flag: \"$e\""; + } + + pidl "ndr_print_bitmap_flag(ndr, sizeof($type_decl), \"$flag\", $flag, r);"; +} + +##################################################################### +# generate a print function for an bitmap +sub ParseBitmapPrint($$) +{ + my($bitmap,$name) = @_; + my($type_decl) = mapType($bitmap->{TYPE}); + my($type_fn) = $bitmap->{BASE_TYPE}; + + start_flags($bitmap); + + pidl "ndr_print_$type_fn(ndr, name, r);"; + + pidl "ndr->depth++;"; + foreach my $e (@{$bitmap->{ELEMENTS}}) { + ParseBitmapPrintElement($e, $bitmap, $name); + } + pidl "ndr->depth--;"; + + end_flags($bitmap); +} + +sub DeclBitmap($$) +{ + my ($e,$t) = @_; + return mapType(Parse::Pidl::Typelist::bitmap_type_fn($e->{DATA})) . + ($t eq "pull"?" *":" ") . "r"; +} + +$typefamily{BITMAP} = { + DECL => \&DeclBitmap, + PUSH_FN_BODY => \&ParseBitmapPush, + PULL_FN_BODY => \&ParseBitmapPull, + PRINT_FN_BODY => \&ParseBitmapPrint, +}; + +##################################################################### +# generate a struct print function +sub ParseStructPrint($$) +{ + my($struct,$name) = @_; + + return unless defined $struct->{ELEMENTS}; + + my $env = GenerateStructEnv($struct); + + foreach my $e (@{$struct->{ELEMENTS}}) { + DeclareArrayVariables($e); + } + + pidl "ndr_print_struct(ndr, name, \"$name\");"; + + start_flags($struct); + + pidl "ndr->depth++;"; + foreach my $e (@{$struct->{ELEMENTS}}) { + ParseElementPrint($e, "r->$e->{NAME}", $env); + } + pidl "ndr->depth--;"; + + end_flags($struct); +} + +sub DeclarePtrVariables($) +{ + my $e = shift; + foreach my $l (@{$e->{LEVELS}}) { + if ($l->{TYPE} eq "POINTER" and + not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) { + pidl "uint32_t _ptr_$e->{NAME};"; + last; + } + } +} + +sub DeclareArrayVariables($) +{ + my $e = shift; + + foreach my $l (@{$e->{LEVELS}}) { + next if has_fast_array($e,$l); + next if is_charset_array($e,$l); + if ($l->{TYPE} eq "ARRAY") { + pidl "uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};"; + } + } +} + +sub need_decl_mem_ctx($$) +{ + my $e = shift; + my $l = shift; + + return 0 if has_fast_array($e,$l); + return 0 if is_charset_array($e,$l); + return 1 if (($l->{TYPE} eq "ARRAY") and not $l->{IS_FIXED}); + + if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) { + my $nl = GetNextLevel($e, $l); + my $next_is_array = ($nl->{TYPE} eq "ARRAY"); + my $next_is_string = (($nl->{TYPE} eq "DATA") and + ($nl->{DATA_TYPE} eq "string")); + return 0 if ($next_is_array or $next_is_string); + } + return 1 if ($l->{TYPE} eq "POINTER"); + + return 0; +} + +sub DeclareMemCtxVariables($) +{ + my $e = shift; + foreach my $l (@{$e->{LEVELS}}) { + if (need_decl_mem_ctx($e, $l)) { + pidl "TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};"; + } + } +} + +##################################################################### +# parse a struct - pull side +sub ParseStructPull($$) +{ + my($struct,$name) = @_; + + return unless defined $struct->{ELEMENTS}; + + my $env = GenerateStructEnv($struct); + + # declare any internal pointers we need + foreach my $e (@{$struct->{ELEMENTS}}) { + DeclarePtrVariables($e); + DeclareArrayVariables($e); + DeclareMemCtxVariables($e); + } + + # save the old relative_base_offset + pidl "uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset(ndr);" if defined($struct->{PROPERTIES}{relative_base}); + + start_flags($struct); + + pidl "if (ndr_flags & NDR_SCALARS) {"; + indent; + + if (defined $struct->{SURROUNDING_ELEMENT}) { + pidl "NDR_CHECK(ndr_pull_array_size(ndr, &r->$struct->{SURROUNDING_ELEMENT}->{NAME}));"; + } + + pidl "NDR_CHECK(ndr_pull_align(ndr, $struct->{ALIGN}));"; + + if (defined($struct->{PROPERTIES}{relative_base})) { + # set the current offset as base for relative pointers + # and store it based on the toplevel struct/union + pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, r, ndr->offset));"; + } + + foreach my $e (@{$struct->{ELEMENTS}}) { + ParseElementPull($e, "ndr", "r->", $env, 1, 0); + } + + add_deferred(); + + deindent; + pidl "}"; + pidl "if (ndr_flags & NDR_BUFFERS) {"; + indent; + if (defined($struct->{PROPERTIES}{relative_base})) { + # retrieve the current offset as base for relative pointers + # based on the toplevel struct/union + pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, r));"; + } + foreach my $e (@{$struct->{ELEMENTS}}) { + ParseElementPull($e, "ndr", "r->", $env, 0, 1); + } + + add_deferred(); + + deindent; + pidl "}"; + + end_flags($struct); + # restore the old relative_base_offset + pidl "ndr_pull_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined($struct->{PROPERTIES}{relative_base}); +} + +##################################################################### +# calculate size of ndr struct +sub ParseStructNdrSize($) +{ + my $t = shift; + my $sizevar; + + if (my $flags = has_property($t, "flag")) { + pidl "flags |= $flags;"; + } + pidl "return ndr_size_struct(r, flags, (ndr_push_flags_fn_t)ndr_push_$t->{NAME});"; +} + +sub DeclStruct($) +{ + my ($e,$t) = @_; + return ($t ne "pull"?"const ":"") . "struct $e->{NAME} *r"; +} + +sub ArgsStructNdrSize($) +{ + my $d = shift; + return "const struct $d->{NAME} *r, int flags"; +} + +$typefamily{STRUCT} = { + PUSH_FN_BODY => \&ParseStructPush, + DECL => \&DeclStruct, + PULL_FN_BODY => \&ParseStructPull, + PRINT_FN_BODY => \&ParseStructPrint, + SIZE_FN_BODY => \&ParseStructNdrSize, + SIZE_FN_ARGS => \&ArgsStructNdrSize, +}; + +##################################################################### +# calculate size of ndr struct +sub ParseUnionNdrSize($) +{ + my $t = shift; + my $sizevar; + + if (my $flags = has_property($t, "flag")) { + pidl "flags |= $flags;"; + } + + pidl "return ndr_size_union(r, flags, level, (ndr_push_flags_fn_t)ndr_push_$t->{NAME});"; +} + +##################################################################### +# parse a union - push side +sub ParseUnionPush($$) +{ + my ($e,$name) = @_; + my $have_default = 0; + + # save the old relative_base_offset + pidl "uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset(ndr);" if defined($e->{PROPERTIES}{relative_base}); + pidl "int level;"; + + start_flags($e); + + pidl "level = ndr_push_get_switch_value(ndr, r);"; + + pidl "if (ndr_flags & NDR_SCALARS) {"; + indent; + + if (defined($e->{SWITCH_TYPE})) { + pidl "NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}(ndr, NDR_SCALARS, level));"; + } + + pidl "switch (level) {"; + indent; + foreach my $el (@{$e->{ELEMENTS}}) { + if ($el->{CASE} eq "default") { + $have_default = 1; + } + pidl "$el->{CASE}:"; + + if ($el->{TYPE} ne "EMPTY") { + indent; + if (defined($e->{PROPERTIES}{relative_base})) { + pidl "NDR_CHECK(ndr_push_align(ndr, $el->{ALIGN}));"; + # set the current offset as base for relative pointers + # and store it based on the toplevel struct/union + pidl "NDR_CHECK(ndr_push_setup_relative_base_offset1(ndr, r, ndr->offset));"; + } + DeclareArrayVariables($el); + ParseElementPush($el, "ndr", "r->", {}, 1, 0); + deindent; + } + pidl "break;"; + pidl ""; + } + if (! $have_default) { + pidl "default:"; + pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);"; + } + deindent; + pidl "}"; + deindent; + pidl "}"; + pidl "if (ndr_flags & NDR_BUFFERS) {"; + indent; + if (defined($e->{PROPERTIES}{relative_base})) { + # retrieve the current offset as base for relative pointers + # based on the toplevel struct/union + pidl "NDR_CHECK(ndr_push_setup_relative_base_offset2(ndr, r));"; + } + pidl "switch (level) {"; + indent; + foreach my $el (@{$e->{ELEMENTS}}) { + pidl "$el->{CASE}:"; + if ($el->{TYPE} ne "EMPTY") { + indent; + ParseElementPush($el, "ndr", "r->", {}, 0, 1); + deindent; + } + pidl "break;"; + pidl ""; + } + if (! $have_default) { + pidl "default:"; + pidl "\treturn ndr_push_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);"; + } + deindent; + pidl "}"; + + deindent; + pidl "}"; + end_flags($e); + # restore the old relative_base_offset + pidl "ndr_push_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined($e->{PROPERTIES}{relative_base}); +} + +##################################################################### +# print a union +sub ParseUnionPrint($$) +{ + my ($e,$name) = @_; + my $have_default = 0; + + pidl "int level = ndr_print_get_switch_value(ndr, r);"; + + foreach my $el (@{$e->{ELEMENTS}}) { + DeclareArrayVariables($el); + } + + pidl "ndr_print_union(ndr, name, level, \"$name\");"; + start_flags($e); + + pidl "switch (level) {"; + indent; + foreach my $el (@{$e->{ELEMENTS}}) { + if ($el->{CASE} eq "default") { + $have_default = 1; + } + pidl "$el->{CASE}:"; + if ($el->{TYPE} ne "EMPTY") { + indent; + ParseElementPrint($el, "r->$el->{NAME}", {}); + deindent; + } + pidl "break;"; + pidl ""; + } + if (! $have_default) { + pidl "default:"; + pidl "\tndr_print_bad_level(ndr, name, level);"; + } + deindent; + pidl "}"; + + end_flags($e); +} + +##################################################################### +# parse a union - pull side +sub ParseUnionPull($$) +{ + my ($e,$name) = @_; + my $have_default = 0; + my $switch_type = $e->{SWITCH_TYPE}; + + # save the old relative_base_offset + pidl "uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset(ndr);" if defined($e->{PROPERTIES}{relative_base}); + pidl "int level;"; + if (defined($switch_type)) { + if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) { + $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)); + } + pidl mapType($switch_type) . " _level;"; + } + + my %double_cases = (); + foreach my $el (@{$e->{ELEMENTS}}) { + next if ($el->{TYPE} eq "EMPTY"); + next if ($double_cases{"$el->{NAME}"}); + DeclareMemCtxVariables($el); + $double_cases{"$el->{NAME}"} = 1; + } + + start_flags($e); + + pidl "level = ndr_pull_get_switch_value(ndr, r);"; + + pidl "if (ndr_flags & NDR_SCALARS) {"; + indent; + + if (defined($switch_type)) { + pidl "NDR_CHECK(ndr_pull_$switch_type(ndr, NDR_SCALARS, &_level));"; + pidl "if (_level != level) {"; + pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $name\", _level);"; + pidl "}"; + } + + pidl "switch (level) {"; + indent; + foreach my $el (@{$e->{ELEMENTS}}) { + if ($el->{CASE} eq "default") { + $have_default = 1; + } + pidl "$el->{CASE}: {"; + + if ($el->{TYPE} ne "EMPTY") { + indent; + DeclarePtrVariables($el); + DeclareArrayVariables($el); + if (defined($e->{PROPERTIES}{relative_base})) { + pidl "NDR_CHECK(ndr_pull_align(ndr, $el->{ALIGN}));"; + # set the current offset as base for relative pointers + # and store it based on the toplevel struct/union + pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset1(ndr, r, ndr->offset));"; + } + ParseElementPull($el, "ndr", "r->", {}, 1, 0); + deindent; + } + pidl "break; }"; + pidl ""; + } + if (! $have_default) { + pidl "default:"; + pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);"; + } + deindent; + pidl "}"; + deindent; + pidl "}"; + pidl "if (ndr_flags & NDR_BUFFERS) {"; + indent; + if (defined($e->{PROPERTIES}{relative_base})) { + # retrieve the current offset as base for relative pointers + # based on the toplevel struct/union + pidl "NDR_CHECK(ndr_pull_setup_relative_base_offset2(ndr, r));"; + } + pidl "switch (level) {"; + indent; + foreach my $el (@{$e->{ELEMENTS}}) { + pidl "$el->{CASE}:"; + if ($el->{TYPE} ne "EMPTY") { + indent; + ParseElementPull($el, "ndr", "r->", {}, 0, 1); + deindent; + } + pidl "break;"; + pidl ""; + } + if (! $have_default) { + pidl "default:"; + pidl "\treturn ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u\", level);"; + } + deindent; + pidl "}"; + + deindent; + pidl "}"; + + add_deferred(); + + end_flags($e); + # restore the old relative_base_offset + pidl "ndr_pull_restore_relative_base_offset(ndr, _save_relative_base_offset);" if defined($e->{PROPERTIES}{relative_base}); +} + +sub DeclUnion($$) +{ + my ($e,$t) = @_; + return ($t ne "pull"?"const ":"") . "union $e->{NAME} *r"; +} + +sub ArgsUnionNdrSize($) +{ + my $d = shift; + return "const union $d->{NAME} *r, uint32_t level, int flags"; +} + +$typefamily{UNION} = { + PUSH_FN_BODY => \&ParseUnionPush, + DECL => \&DeclUnion, + PULL_FN_BODY => \&ParseUnionPull, + PRINT_FN_BODY => \&ParseUnionPrint, + SIZE_FN_ARGS => \&ArgsUnionNdrSize, + SIZE_FN_BODY => \&ParseUnionNdrSize, +}; + +##################################################################### +# parse a typedef - push side +sub ParseTypedefPush($) +{ + my($e) = shift; + + my $args = $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e,"push"); + pidl fn_prefix($e) . "NTSTATUS ndr_push_$e->{NAME}(struct ndr_push *ndr, int ndr_flags, $args)"; + + pidl "{"; + indent; + $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($e->{DATA}, $e->{NAME}); + pidl "return NT_STATUS_OK;"; + deindent; + pidl "}"; + pidl "";; +} + +##################################################################### +# parse a typedef - pull side +sub ParseTypedefPull($) +{ + my($e) = shift; + + my $args = $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e,"pull"); + + pidl fn_prefix($e) . "NTSTATUS ndr_pull_$e->{NAME}(struct ndr_pull *ndr, int ndr_flags, $args)"; + + pidl "{"; + indent; + $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($e->{DATA}, $e->{NAME}); + pidl "return NT_STATUS_OK;"; + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +# parse a typedef - print side +sub ParseTypedefPrint($) +{ + my($e) = shift; + + my $args = $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e,"print"); + + pidl "void ndr_print_$e->{NAME}(struct ndr_print *ndr, const char *name, $args)"; + pidl "{"; + indent; + $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($e->{DATA}, $e->{NAME}); + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +## calculate the size of a structure +sub ParseTypedefNdrSize($) +{ + my($t) = shift; + + my $tf = $typefamily{$t->{DATA}->{TYPE}}; + my $args = $tf->{SIZE_FN_ARGS}->($t); + + pidl "size_t ndr_size_$t->{NAME}($args)"; + pidl "{"; + indent; + $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($t); + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +# parse a function - print side +sub ParseFunctionPrint($) +{ + my($fn) = shift; + + return if has_property($fn, "noprint"); + + pidl "void ndr_print_$fn->{NAME}(struct ndr_print *ndr, const char *name, int flags, const struct $fn->{NAME} *r)"; + pidl "{"; + indent; + + foreach my $e (@{$fn->{ELEMENTS}}) { + DeclareArrayVariables($e); + } + + pidl "ndr_print_struct(ndr, name, \"$fn->{NAME}\");"; + pidl "ndr->depth++;"; + + pidl "if (flags & NDR_SET_VALUES) {"; + pidl "\tndr->flags |= LIBNDR_PRINT_SET_VALUES;"; + pidl "}"; + + pidl "if (flags & NDR_IN) {"; + indent; + pidl "ndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");"; + pidl "ndr->depth++;"; + + my $env = GenerateFunctionInEnv($fn); + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep(/in/,@{$e->{DIRECTION}})) { + ParseElementPrint($e, "r->in.$e->{NAME}", $env); + } + } + pidl "ndr->depth--;"; + deindent; + pidl "}"; + + pidl "if (flags & NDR_OUT) {"; + indent; + pidl "ndr_print_struct(ndr, \"out\", \"$fn->{NAME}\");"; + pidl "ndr->depth++;"; + + $env = GenerateFunctionOutEnv($fn); + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep(/out/,@{$e->{DIRECTION}})) { + ParseElementPrint($e, "r->out.$e->{NAME}", $env); + } + } + if ($fn->{RETURN_TYPE}) { + pidl "ndr_print_$fn->{RETURN_TYPE}(ndr, \"result\", r->out.result);"; + } + pidl "ndr->depth--;"; + deindent; + pidl "}"; + + pidl "ndr->depth--;"; + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +# parse a function +sub ParseFunctionPush($) +{ + my($fn) = shift; + + return if has_property($fn, "nopush"); + + pidl fn_prefix($fn) . "NTSTATUS ndr_push_$fn->{NAME}(struct ndr_push *ndr, int flags, const struct $fn->{NAME} *r)"; + pidl "{"; + indent; + + foreach my $e (@{$fn->{ELEMENTS}}) { + DeclareArrayVariables($e); + } + + pidl "if (flags & NDR_IN) {"; + indent; + + my $env = GenerateFunctionInEnv($fn); + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep(/in/,@{$e->{DIRECTION}})) { + ParseElementPush($e, "ndr", "r->in.", $env, 1, 1); + } + } + + deindent; + pidl "}"; + + pidl "if (flags & NDR_OUT) {"; + indent; + + $env = GenerateFunctionOutEnv($fn); + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep(/out/,@{$e->{DIRECTION}})) { + ParseElementPush($e, "ndr", "r->out.", $env, 1, 1); + } + } + + if ($fn->{RETURN_TYPE}) { + pidl "NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, r->out.result));"; + } + + deindent; + pidl "}"; + pidl "return NT_STATUS_OK;"; + deindent; + pidl "}"; + pidl ""; +} + +sub AllocateArrayLevel($$$$$) +{ + my ($e,$l,$ndr,$env,$size) = @_; + + my $var = ParseExpr($e->{NAME}, $env); + + check_null_pointer($size); + my $pl = GetPrevLevel($e, $l); + if (defined($pl) and + $pl->{TYPE} eq "POINTER" and + $pl->{POINTER_TYPE} eq "ref" + and not $l->{IS_ZERO_TERMINATED}) { + pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {"; + pidl "\tNDR_PULL_ALLOC_N($ndr, $var, $size);"; + pidl "}"; + } else { + pidl "NDR_PULL_ALLOC_N($ndr, $var, $size);"; + } + + if (grep(/in/,@{$e->{DIRECTION}}) and + grep(/out/,@{$e->{DIRECTION}}) and + $pl->{POINTER_TYPE} eq "ref") { + pidl "memcpy(r->out.$e->{NAME},r->in.$e->{NAME},$size * sizeof(*r->in.$e->{NAME}));"; + } +} + +##################################################################### +# parse a function +sub ParseFunctionPull($) +{ + my($fn) = shift; + + return if has_property($fn, "nopull"); + + # pull function args + pidl fn_prefix($fn) . "NTSTATUS ndr_pull_$fn->{NAME}(struct ndr_pull *ndr, int flags, struct $fn->{NAME} *r)"; + pidl "{"; + indent; + + # declare any internal pointers we need + foreach my $e (@{$fn->{ELEMENTS}}) { + DeclarePtrVariables($e); + DeclareArrayVariables($e); + } + + my %double_cases = (); + foreach my $e (@{$fn->{ELEMENTS}}) { + next if ($e->{TYPE} eq "EMPTY"); + next if ($double_cases{"$e->{NAME}"}); + DeclareMemCtxVariables($e); + $double_cases{"$e->{NAME}"} = 1; + } + + pidl "if (flags & NDR_IN) {"; + indent; + + # auto-init the out section of a structure. I originally argued that + # this was a bad idea as it hides bugs, but coping correctly + # with initialisation and not wiping ref vars is turning + # out to be too tricky (tridge) + foreach my $e (@{$fn->{ELEMENTS}}) { + next unless grep(/out/, @{$e->{DIRECTION}}); + pidl "ZERO_STRUCT(r->out);"; + pidl ""; + last; + } + + my $env = GenerateFunctionInEnv($fn); + + foreach my $e (@{$fn->{ELEMENTS}}) { + next unless (grep(/in/, @{$e->{DIRECTION}})); + ParseElementPull($e, "ndr", "r->in.", $env, 1, 1); + } + + # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's + # own flag rather then be in NDR_IN ? + + foreach my $e (@{$fn->{ELEMENTS}}) { + next unless (grep(/out/, @{$e->{DIRECTION}})); + next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and + $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref"); + next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and + ($e->{LEVELS}[1]->{DATA_TYPE} eq "string")); + next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY") + and $e->{LEVELS}[1]->{IS_ZERO_TERMINATED}); + + if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") { + my $size = ParseExpr($e->{LEVELS}[1]->{SIZE_IS}, $env); + check_null_pointer($size); + + pidl "NDR_PULL_ALLOC_N(ndr, r->out.$e->{NAME}, $size);"; + + if (grep(/in/, @{$e->{DIRECTION}})) { + pidl "memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, $size * sizeof(*r->in.$e->{NAME}));"; + } else { + pidl "memset(r->out.$e->{NAME}, 0, $size * sizeof(*r->out.$e->{NAME}));"; + } + } else { + pidl "NDR_PULL_ALLOC(ndr, r->out.$e->{NAME});"; + + if (grep(/in/, @{$e->{DIRECTION}})) { + pidl "*r->out.$e->{NAME} = *r->in.$e->{NAME};"; + } else { + pidl "ZERO_STRUCTP(r->out.$e->{NAME});"; + } + } + } + + add_deferred(); + deindent; + pidl "}"; + + pidl "if (flags & NDR_OUT) {"; + indent; + + $env = GenerateFunctionOutEnv($fn); + foreach my $e (@{$fn->{ELEMENTS}}) { + next unless grep(/out/, @{$e->{DIRECTION}}); + ParseElementPull($e, "ndr", "r->out.", $env, 1, 1); + } + + if ($fn->{RETURN_TYPE}) { + pidl "NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}(ndr, NDR_SCALARS, &r->out.result));"; + } + + add_deferred(); + deindent; + pidl "}"; + + pidl "return NT_STATUS_OK;"; + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +# produce a function call table +sub FunctionTable($) +{ + my($interface) = shift; + my $count = 0; + my $uname = uc $interface->{NAME}; + + $count = $#{$interface->{FUNCTIONS}}+1; + + return if ($count == 0); + + pidl "static const struct dcerpc_interface_call $interface->{NAME}\_calls[] = {"; + $count = 0; + foreach my $d (@{$interface->{FUNCTIONS}}) { + next if not defined($d->{OPNUM}); + pidl "\t{"; + pidl "\t\t\"$d->{NAME}\","; + pidl "\t\tsizeof(struct $d->{NAME}),"; + pidl "\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},"; + pidl "\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},"; + pidl "\t\t(ndr_print_function_t) ndr_print_$d->{NAME}"; + pidl "\t},"; + $count++; + } + pidl "\t{ NULL, 0, NULL, NULL, NULL }"; + pidl "};"; + pidl ""; + + pidl "static const char * const $interface->{NAME}\_endpoint_strings[] = {"; + foreach my $ep (@{$interface->{ENDPOINTS}}) { + pidl "\t$ep, "; + } + my $endpoint_count = $#{$interface->{ENDPOINTS}}+1; + + pidl "};"; + pidl ""; + + pidl "static const struct dcerpc_endpoint_list $interface->{NAME}\_endpoints = {"; + pidl "\t.count\t= $endpoint_count,"; + pidl "\t.names\t= $interface->{NAME}\_endpoint_strings"; + pidl "};"; + pidl ""; + + if (! defined $interface->{PROPERTIES}->{authservice}) { + $interface->{PROPERTIES}->{authservice} = "\"host\""; + } + + my @a = split / /, $interface->{PROPERTIES}->{authservice}; + my $authservice_count = $#a + 1; + + pidl "static const char * const $interface->{NAME}\_authservice_strings[] = {"; + foreach my $ap (@a) { + pidl "\t$ap, "; + } + pidl "};"; + pidl ""; + + pidl "static const struct dcerpc_authservice_list $interface->{NAME}\_authservices = {"; + pidl "\t.count\t= $endpoint_count,"; + pidl "\t.names\t= $interface->{NAME}\_authservice_strings"; + pidl "};"; + pidl ""; + + pidl "\nconst struct dcerpc_interface_table dcerpc_table_$interface->{NAME} = {"; + pidl "\t.name\t\t= \"$interface->{NAME}\","; + pidl "\t.uuid\t\t= DCERPC_$uname\_UUID,"; + pidl "\t.if_version\t= DCERPC_$uname\_VERSION,"; + pidl "\t.helpstring\t= DCERPC_$uname\_HELPSTRING,"; + pidl "\t.num_calls\t= $count,"; + pidl "\t.calls\t\t= $interface->{NAME}\_calls,"; + pidl "\t.endpoints\t= &$interface->{NAME}\_endpoints,"; + pidl "\t.authservices\t= &$interface->{NAME}\_authservices"; + pidl "};"; + pidl ""; + + pidl "static NTSTATUS dcerpc_ndr_$interface->{NAME}_init(void)"; + pidl "{"; + pidl "\treturn librpc_register_interface(&dcerpc_table_$interface->{NAME});"; + pidl "}"; + pidl ""; +} + +##################################################################### +# parse the interface definitions +sub ParseInterface($$) +{ + my($interface,$needed) = @_; + + # Typedefs + foreach my $d (@{$interface->{TYPEDEFS}}) { + ($needed->{"push_$d->{NAME}"}) && ParseTypedefPush($d); + ($needed->{"pull_$d->{NAME}"}) && ParseTypedefPull($d); + ($needed->{"print_$d->{NAME}"}) && ParseTypedefPrint($d); + + # Make sure we don't generate a function twice... + $needed->{"push_$d->{NAME}"} = $needed->{"pull_$d->{NAME}"} = + $needed->{"print_$d->{NAME}"} = 0; + + ($needed->{"ndr_size_$d->{NAME}"}) && ParseTypedefNdrSize($d); + } + + # Functions + foreach my $d (@{$interface->{FUNCTIONS}}) { + ($needed->{"push_$d->{NAME}"}) && ParseFunctionPush($d); + ($needed->{"pull_$d->{NAME}"}) && ParseFunctionPull($d); + ($needed->{"print_$d->{NAME}"}) && ParseFunctionPrint($d); + + # Make sure we don't generate a function twice... + $needed->{"push_$d->{NAME}"} = $needed->{"pull_$d->{NAME}"} = + $needed->{"print_$d->{NAME}"} = 0; + } + + FunctionTable($interface); +} + +sub RegistrationFunction($$) +{ + my ($idl,$filename) = @_; + + $filename =~ /.*\/ndr_(.*).c/; + my $basename = $1; + pidl "NTSTATUS dcerpc_$basename\_init(void)"; + pidl "{"; + indent; + pidl "NTSTATUS status = NT_STATUS_OK;"; + foreach my $interface (@{$idl}) { + next if $interface->{TYPE} ne "INTERFACE"; + + my $count = ($#{$interface->{FUNCTIONS}}+1); + + next if ($count == 0); + + pidl "status = dcerpc_ndr_$interface->{NAME}_init();"; + pidl "if (NT_STATUS_IS_ERR(status)) {"; + pidl "\treturn status;"; + pidl "}"; + pidl ""; + } + pidl "return status;"; + deindent; + pidl "}"; + pidl ""; +} + +##################################################################### +# parse a parsed IDL structure back into an IDL file +sub Parse($$) +{ + my($ndr,$filename) = @_; + + $tabs = ""; + my $h_filename = $filename; + $res = ""; + + if ($h_filename =~ /(.*)\.c/) { + $h_filename = "$1.h"; + } + + pidl "/* parser auto-generated by pidl */"; + pidl ""; + pidl "#include \"includes.h\""; + pidl "#include \"librpc/gen_ndr/ndr_misc.h\""; + pidl "#include \"librpc/gen_ndr/ndr_dcerpc.h\""; + pidl "#include \"$h_filename\""; + pidl ""; + + my %needed = (); + + foreach my $x (@{$ndr}) { + ($x->{TYPE} eq "INTERFACE") && NeededInterface($x, \%needed); + } + + foreach my $x (@{$ndr}) { + ($x->{TYPE} eq "INTERFACE") && ParseInterface($x, \%needed); + } + + RegistrationFunction($ndr, $filename); + + return $res; +} + +sub NeededFunction($$) +{ + my ($fn,$needed) = @_; + $needed->{"pull_$fn->{NAME}"} = 1; + $needed->{"push_$fn->{NAME}"} = 1; + $needed->{"print_$fn->{NAME}"} = 1; + foreach my $e (@{$fn->{ELEMENTS}}) { + $e->{PARENT} = $fn; + unless(defined($needed->{"pull_$e->{TYPE}"})) { + $needed->{"pull_$e->{TYPE}"} = 1; + } + unless(defined($needed->{"push_$e->{TYPE}"})) { + $needed->{"push_$e->{TYPE}"} = 1; + } + unless(defined($needed->{"print_$e->{TYPE}"})) { + $needed->{"print_$e->{TYPE}"} = 1; + } + } +} + +sub NeededTypedef($$) +{ + my ($t,$needed) = @_; + if (has_property($t, "public")) { + $needed->{"pull_$t->{NAME}"} = not has_property($t, "nopull"); + $needed->{"push_$t->{NAME}"} = not has_property($t, "nopush"); + $needed->{"print_$t->{NAME}"} = not has_property($t, "noprint"); + } + + if ($t->{DATA}->{TYPE} eq "STRUCT" or $t->{DATA}->{TYPE} eq "UNION") { + if (has_property($t, "gensize")) { + $needed->{"ndr_size_$t->{NAME}"} = 1; + } + + for my $e (@{$t->{DATA}->{ELEMENTS}}) { + $e->{PARENT} = $t->{DATA}; + if ($needed->{"pull_$t->{NAME}"} and + not defined($needed->{"pull_$e->{TYPE}"})) { + $needed->{"pull_$e->{TYPE}"} = 1; + } + if ($needed->{"push_$t->{NAME}"} and + not defined($needed->{"push_$e->{TYPE}"})) { + $needed->{"push_$e->{TYPE}"} = 1; + } + if ($needed->{"print_$t->{NAME}"} and + not defined($needed->{"print_$e->{TYPE}"})) { + $needed->{"print_$e->{TYPE}"} = 1; + } + } + } +} + +##################################################################### +# work out what parse functions are needed +sub NeededInterface($$) +{ + my ($interface,$needed) = @_; + foreach my $d (@{$interface->{FUNCTIONS}}) { + NeededFunction($d, $needed); + } + foreach my $d (reverse @{$interface->{TYPEDEFS}}) { + NeededTypedef($d, $needed); + } +} + +1; |