diff options
Diffstat (limited to 'pidl/lib/Parse/Pidl/Samba4/COM/Proxy.pm')
| -rw-r--r-- | pidl/lib/Parse/Pidl/Samba4/COM/Proxy.pm | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/pidl/lib/Parse/Pidl/Samba4/COM/Proxy.pm b/pidl/lib/Parse/Pidl/Samba4/COM/Proxy.pm new file mode 100644 index 0000000..1630cf2 --- /dev/null +++ b/pidl/lib/Parse/Pidl/Samba4/COM/Proxy.pm @@ -0,0 +1,226 @@ +################################################### +# DCOM parser for Samba +# Basically the glue between COM and DCE/RPC with NDR +# Copyright jelmer@samba.org 2003-2005 +# released under the GNU GPL + +package Parse::Pidl::Samba4::COM::Proxy; + +use Parse::Pidl::Samba4::COM::Header; +use Parse::Pidl::Typelist qw(mapTypeName); +use Parse::Pidl::Util qw(has_property); + +use vars qw($VERSION); +$VERSION = '0.01'; + +use strict; +use warnings; + +my($res); + +sub ParseVTable($$) +{ + my ($interface, $name) = @_; + + # Generate the vtable + $res .="\tstruct $interface->{NAME}_vtable $name = {"; + + if (defined($interface->{BASE})) { + $res .= "\n\t\t{},"; + } + + my $data = $interface->{DATA}; + + foreach my $d (@{$data}) { + if ($d->{TYPE} eq "FUNCTION") { + $res .= "\n\t\tdcom_proxy_$interface->{NAME}_$d->{NAME}"; + $res .= ","; + } + } + + $res .= "\n\t};\n\n"; +} + +sub ParseRegFunc($) +{ + my $interface = shift; + + $res .= "static NTSTATUS dcom_proxy_$interface->{NAME}_init(TALLOC_CTX *ctx) +{ + struct $interface->{NAME}_vtable *proxy_vtable = talloc(ctx, struct $interface->{NAME}_vtable); +"; + + if (defined($interface->{BASE})) { + $res.= " + struct GUID base_iid; + const void *base_vtable; + + base_iid = ndr_table_$interface->{BASE}.syntax_id.uuid; + + base_vtable = dcom_proxy_vtable_by_iid(&base_iid); + if (base_vtable == NULL) { + DEBUG(0, (\"No proxy registered for base interface '$interface->{BASE}'\\n\")); + return NT_STATUS_FOOBAR; + } + + memcpy(&proxy_vtable, base_vtable, sizeof(struct $interface->{BASE}_vtable)); + +"; + } + foreach my $x (@{$interface->{DATA}}) { + next unless ($x->{TYPE} eq "FUNCTION"); + + $res .= "\tproxy_vtable->$x->{NAME} = dcom_proxy_$interface->{NAME}_$x->{NAME};\n"; + } + + $res.= " + proxy_vtable->iid = ndr_table_$interface->{NAME}.syntax_id.uuid; + + return dcom_register_proxy(ctx, (struct IUnknown_vtable *)proxy_vtable); +}\n\n"; +} + +##################################################################### +# parse a function +sub ParseFunction($$) +{ + my ($interface, $fn) = @_; + my $name = $fn->{NAME}; + my $uname = uc $name; + + my $tn = mapTypeName($fn->{RETURN_TYPE}); + + $res.=" +static $tn dcom_proxy_$interface->{NAME}_$name(struct $interface->{NAME} *d, TALLOC_CTX *mem_ctx" . Parse::Pidl::Samba4::COM::Header::GetArgumentProtoList($fn) . ") +{ + struct dcerpc_pipe *p; + NTSTATUS status = dcom_get_pipe(d, &p); + struct $name r; + struct rpc_request *req; + + if (NT_STATUS_IS_ERR(status)) { + return status; + } + + NDR_ZERO_STRUCT(r.in.ORPCthis); + r.in.ORPCthis.version.MajorVersion = COM_MAJOR_VERSION; + r.in.ORPCthis.version.MinorVersion = COM_MINOR_VERSION; +"; + + # Put arguments into r + foreach my $a (@{$fn->{ELEMENTS}}) { + next unless (has_property($a, "in")); + if (Parse::Pidl::Typelist::typeIs($a->{TYPE}, "INTERFACE")) { + $res .="\tNDR_CHECK(dcom_OBJREF_from_IUnknown(mem_ctx, &r.in.$a->{NAME}.obj, $a->{NAME}));\n"; + } else { + $res .= "\tr.in.$a->{NAME} = $a->{NAME};\n"; + } + } + + $res .=" + if (p->conn->flags & DCERPC_DEBUG_PRINT_IN) { + NDR_PRINT_IN_DEBUG($name, &r); + } + + status = dcerpc_ndr_request(p, &d->ipid, &ndr_table_$interface->{NAME}, NDR_$uname, mem_ctx, &r); + + if (NT_STATUS_IS_OK(status) && (p->conn->flags & DCERPC_DEBUG_PRINT_OUT)) { + NDR_PRINT_OUT_DEBUG($name, r); + } + +"; + + # Put r info back into arguments + foreach my $a (@{$fn->{ELEMENTS}}) { + next unless (has_property($a, "out")); + + if (Parse::Pidl::Typelist::typeIs($a->{TYPE}, "INTERFACE")) { + $res .="\tNDR_CHECK(dcom_IUnknown_from_OBJREF(d->ctx, &$a->{NAME}, r.out.$a->{NAME}.obj));\n"; + } else { + $res .= "\t*$a->{NAME} = r.out.$a->{NAME};\n"; + } + + } + + if ($fn->{RETURN_TYPE} eq "NTSTATUS") { + $res .= "\tif (NT_STATUS_IS_OK(status)) status = r.out.result;\n"; + } + + $res .= + " + return r.out.result; +}\n\n"; +} + +##################################################################### +# parse the interface definitions +sub ParseInterface($) +{ + my($interface) = shift; + my($data) = $interface->{DATA}; + $res = "/* DCOM proxy for $interface->{NAME} generated by pidl */\n\n"; + foreach my $d (@{$data}) { + ($d->{TYPE} eq "FUNCTION") && + ParseFunction($interface, $d); + } + + ParseRegFunc($interface); +} + +sub RegistrationFunction($$) +{ + my $idl = shift; + my $basename = shift; + + my $res = "\n\nNTSTATUS dcom_$basename\_init(void)\n"; + $res .= "{\n"; + $res .="\tNTSTATUS status = NT_STATUS_OK;\n"; + foreach my $interface (@{$idl}) { + next if $interface->{TYPE} ne "INTERFACE"; + next if not has_property($interface, "object"); + + my $data = $interface->{DATA}; + my $count = 0; + foreach my $d (@{$data}) { + if ($d->{TYPE} eq "FUNCTION") { $count++; } + } + + next if ($count == 0); + + $res .= "\tstatus = dcom_$interface->{NAME}_init();\n"; + $res .= "\tif (NT_STATUS_IS_ERR(status)) {\n"; + $res .= "\t\treturn status;\n"; + $res .= "\t}\n\n"; + } + $res .= "\treturn status;\n"; + $res .= "}\n\n"; + + return $res; +} + +sub Parse($$) +{ + my ($pidl,$comh_filename) = @_; + my $res = ""; + my $has_obj = 0; + + $res .= "#include \"includes.h\"\n" . + "#include \"lib/com/dcom/dcom.h\"\n" . + "#include \"$comh_filename\"\n" . + "#include \"librpc/rpc/dcerpc.h\"\n"; + + foreach (@{$pidl}) { + next if ($_->{TYPE} ne "INTERFACE"); + next if has_property($_, "local"); + next unless has_property($_, "object"); + + $res .= ParseInterface($_); + + $has_obj = 1; + } + + return $res if ($has_obj); + return undef; +} + +1; |