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|
###################################################
# Samba3 server 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::ServerNDR;
use strict;
use Parse::Pidl::Typelist qw(hasType getType mapType scalar_is_reference);
use Parse::Pidl::Util qw(has_property ParseExpr is_constant);
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 fatal($$) { my ($e,$s) = @_; die("$e->{ORIGINAL}->{FILE}:$e->{ORIGINAL}->{LINE}: $s\n"); }
sub warning($$) { my ($e,$s) = @_; warn("$e->{ORIGINAL}->{FILE}:$e->{ORIGINAL}->{LINE}: $s\n"); }
sub fn_declare($) { my ($n) = @_; pidl $n; pidl_hdr "$n;"; }
sub AllocOutVar($$$$)
{
my ($e, $mem_ctx, $name, $env) = @_;
my $l = $e->{LEVELS}[0];
if ($l->{TYPE} eq "POINTER") {
$l = GetNextLevel($e, $l);
}
if ($l->{TYPE} eq "ARRAY") {
my $size = ParseExpr($l->{SIZE_IS}, $env);
pidl "$name = talloc_zero_size($mem_ctx, sizeof(*$name) * $size);";
} else {
pidl "$name = talloc_zero_size($mem_ctx, sizeof(*$name));";
}
pidl "if ($name == NULL) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
}
sub ParseFunction($$)
{
my ($if,$fn) = @_;
pidl "static BOOL api_$fn->{NAME}(pipes_struct *p)";
pidl "{";
indent;
pidl "struct ndr_pull *pull;";
pidl "struct ndr_push *push;";
pidl "NTSTATUS status;";
pidl "DATA_BLOB blob;";
pidl "struct $fn->{NAME} r;";
pidl "TALLOC_CTX *mem_ctx = talloc_init(\"api_$fn->{NAME}\");";
pidl "";
pidl "if (!prs_data_blob(&p->in_data.data, &blob, mem_ctx)) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "pull = ndr_pull_init_blob(&blob, mem_ctx);";
pidl "if (pull == NULL) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "pull->flags |= LIBNDR_FLAG_REF_ALLOC;";
pidl "status = ndr_pull_$fn->{NAME}(pull, NDR_IN, &r);";
pidl "if (NT_STATUS_IS_ERR(status)) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "if (DEBUGLEVEL >= 10)";
pidl "\tNDR_PRINT_IN_DEBUG($fn->{NAME}, &r);";
pidl "";
my %env = ();
my $hasout = 0;
foreach (@{$fn->{ELEMENTS}}) {
if (grep(/out/, @{$_->{DIRECTION}})) { $hasout = 1; }
next unless (grep (/in/, @{$_->{DIRECTION}}));
$env{$_->{NAME}} = "r.in.$_->{NAME}";
}
pidl "ZERO_STRUCT(r.out);" if ($hasout);
my $proto = "_$fn->{NAME}(pipes_struct *p";
my $ret = "_$fn->{NAME}(p";
foreach (@{$fn->{ELEMENTS}}) {
my @dir = @{$_->{DIRECTION}};
if (grep(/in/, @dir) and grep(/out/, @dir)) {
pidl "r.out.$_->{NAME} = r.in.$_->{NAME};";
} elsif (grep(/out/, @dir)) {
AllocOutVar($_, "mem_ctx", "r.out.$_->{NAME}", \%env);
}
if (grep(/in/, @dir)) { $ret .= ", r.in.$_->{NAME}"; }
else { $ret .= ", r.out.$_->{NAME}"; }
$proto .= ", " . DeclLong($_);
}
$ret .= ")";
$proto .= ");";
if ($fn->{RETURN_TYPE}) {
$ret = "r.out.result = $ret";
$proto = "$fn->{RETURN_TYPE} $proto";
} else {
$proto = "void $proto";
}
pidl_hdr "$proto";
pidl "$ret;";
pidl "";
pidl "if (p->rng_fault_state) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\t/* Return True here, srv_pipe_hnd.c will take care */";
pidl "\treturn True;";
pidl "}";
pidl "";
pidl "if (DEBUGLEVEL >= 10)";
pidl "\tNDR_PRINT_OUT_DEBUG($fn->{NAME}, &r);";
pidl "";
pidl "push = ndr_push_init_ctx(mem_ctx);";
pidl "if (push == NULL) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "status = ndr_push_$fn->{NAME}(push, NDR_OUT, &r);";
pidl "if (NT_STATUS_IS_ERR(status)) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "blob = ndr_push_blob(push);";
pidl "if (!prs_copy_data_in(&p->out_data.rdata, (const char *)blob.data, (uint32)blob.length)) {";
pidl "\ttalloc_free(mem_ctx);";
pidl "\treturn False;";
pidl "}";
pidl "";
pidl "talloc_free(mem_ctx);";
pidl "";
pidl "return True;";
deindent;
pidl "}";
pidl "";
}
sub ParseInterface($)
{
my $if = shift;
my $uif = uc($if->{NAME});
pidl_hdr "#ifndef __SRV_$uif\__";
pidl_hdr "#define __SRV_$uif\__";
ParseFunction($if, $_) foreach (@{$if->{FUNCTIONS}});
pidl "";
pidl "/* Tables */";
pidl "static struct api_struct api_$if->{NAME}_cmds[] = ";
pidl "{";
indent;
foreach (@{$if->{FUNCTIONS}}) {
pidl "{\"" . uc($_->{NAME}) . "\", DCERPC_" . uc($_->{NAME}) . ", api_$_->{NAME}},";
}
deindent;
pidl "};";
pidl "";
pidl_hdr "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns);";
pidl "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns)";
pidl "{";
indent;
pidl "*fns = api_$if->{NAME}_cmds;";
pidl "*n_fns = sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct);";
deindent;
pidl "}";
pidl "";
pidl_hdr "NTSTATUS rpc_$if->{NAME}_init(void);";
pidl "NTSTATUS rpc_$if->{NAME}_init(void)";
pidl "{";
pidl "\treturn rpc_pipe_register_commands(SMB_RPC_INTERFACE_VERSION, \"$if->{NAME}\", \"$if->{NAME}\", api_$if->{NAME}_cmds, sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct));";
pidl "}";
pidl_hdr "#endif /* __SRV_$uif\__ */";
}
sub Parse($$$)
{
my($ndr,$header,$ndr_header) = @_;
$res = "";
$res_hdr = "";
pidl "/*";
pidl " * Unix SMB/CIFS implementation.";
pidl " * server auto-generated by pidl. DO NOT MODIFY!";
pidl " */";
pidl "";
pidl "#include \"includes.h\"";
pidl "#include \"$header\"";
pidl_hdr "#include \"$ndr_header\"";
pidl "";
foreach (@$ndr) {
ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
}
return ($res, $res_hdr);
}
1;
|
