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###################################################
# Samba3 client generator for IDL structures
# on top of Samba4 style NDR functions
# Copyright jelmer@samba.org 2005-2006
# released under the GNU GPL
package Parse::Pidl::Samba3::ClientNDR;
use Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(GenerateFunctionInEnv ParseFunction $res $res_hdr);
use strict;
use Parse::Pidl qw(fatal warning);
use Parse::Pidl::Typelist qw(hasType getType mapTypeName scalar_is_reference);
use Parse::Pidl::Util qw(has_property is_constant ParseExpr);
use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
use Parse::Pidl::Samba4 qw(DeclLong);
use vars qw($VERSION);
$VERSION = '0.01';
my $res;
my $res_hdr;
my $tabs = "";
sub indent() { $tabs.="\t"; }
sub deindent() { $tabs = substr($tabs, 1); }
sub pidl($) { $res .= $tabs.(shift)."\n"; }
sub pidl_hdr($) { $res_hdr .= (shift)."\n"; }
sub fn_declare($) { my ($n) = @_; pidl $n; pidl_hdr "$n;"; }
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 ParseFunction($$)
{
my ($uif, $fn) = @_;
my $inargs = "";
my $defargs = "";
my $ufn = "DCERPC_".uc($fn->{NAME});
foreach (@{$fn->{ELEMENTS}}) {
$defargs .= ", " . DeclLong($_);
}
fn_declare "NTSTATUS rpccli_$fn->{NAME}(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx$defargs)";
pidl "{";
indent;
pidl "struct $fn->{NAME} r;";
pidl "NTSTATUS status;";
pidl "";
pidl "/* In parameters */";
foreach (@{$fn->{ELEMENTS}}) {
if (grep(/in/, @{$_->{DIRECTION}})) {
pidl "r.in.$_->{NAME} = $_->{NAME};";
}
}
pidl "";
pidl "if (DEBUGLEVEL >= 10)";
pidl "\tNDR_PRINT_IN_DEBUG($fn->{NAME}, &r);";
pidl "";
pidl "status = cli_do_rpc_ndr(cli, mem_ctx, PI_$uif, $ufn, &r, (ndr_pull_flags_fn_t)ndr_pull_$fn->{NAME}, (ndr_push_flags_fn_t)ndr_push_$fn->{NAME});";
pidl "";
pidl "if (!NT_STATUS_IS_OK(status)) {";
indent;
pidl "return status;";
deindent;
pidl "}";
pidl "";
pidl "if (DEBUGLEVEL >= 10)";
pidl "\tNDR_PRINT_OUT_DEBUG($fn->{NAME}, &r);";
pidl "";
pidl "if (NT_STATUS_IS_ERR(status)) {";
pidl "\treturn status;";
pidl "}";
pidl "";
pidl "/* Return variables */";
foreach my $e (@{$fn->{ELEMENTS}}) {
next unless (grep(/out/, @{$e->{DIRECTION}}));
fatal($e, "[out] argument is not a pointer or array") if ($e->{LEVELS}[0]->{TYPE} ne "POINTER" and $e->{LEVELS}[0]->{TYPE} ne "ARRAY");
if ( ($e->{LEVELS}[0]->{TYPE} eq "POINTER") and
($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") ) {
pidl "if ( $e->{NAME} ) {";
indent;
}
if ($e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
# This is a call to GenerateFunctionInEnv intentionally.
# Since the data is being copied into a user-provided data
# structure, the user should be able to know the size beforehand
# to allocate a structure of the right size.
my $env = GenerateFunctionInEnv($fn);
my $size_is = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e);
pidl "memcpy($e->{NAME}, r.out.$e->{NAME}, $size_is);";
} else {
pidl "*$e->{NAME} = *r.out.$e->{NAME};";
}
if ( ($e->{LEVELS}[0]->{TYPE} eq "POINTER") and
($e->{LEVELS}[0]->{POINTER_TYPE} ne "ref") ) {
deindent;
pidl "}";
}
}
pidl"";
pidl "/* Return result */";
if (not $fn->{RETURN_TYPE}) {
pidl "return NT_STATUS_OK;";
} elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
pidl "return r.out.result;";
} elsif ($fn->{RETURN_TYPE} eq "WERROR") {
pidl "return werror_to_ntstatus(r.out.result);";
} else {
warning($fn->{ORIGINAL}, "Unable to convert $fn->{RETURN_TYPE} to NTSTATUS");
pidl "return NT_STATUS_OK;";
}
deindent;
pidl "}";
pidl "";
}
sub ParseInterface($)
{
my $if = shift;
my $uif = uc($if->{NAME});
pidl_hdr "#ifndef __CLI_$uif\__";
pidl_hdr "#define __CLI_$uif\__";
ParseFunction(uc($if->{NAME}), $_) foreach (@{$if->{FUNCTIONS}});
pidl_hdr "#endif /* __CLI_$uif\__ */";
}
sub Parse($$$)
{
my($ndr,$header,$ndr_header) = @_;
$res = "";
$res_hdr = "";
pidl "/*";
pidl " * Unix SMB/CIFS implementation.";
pidl " * client auto-generated by pidl. DO NOT MODIFY!";
pidl " */";
pidl "";
pidl "#include \"includes.h\"";
pidl "#include \"$header\"";
pidl_hdr "#include \"$ndr_header\"";
pidl "";
foreach (@$ndr) {
ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
}
return ($res, $res_hdr);
}
1;
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