From 79190992b3820cd028c961c48bdea9b35baf13c9 Mon Sep 17 00:00:00 2001 From: Jelmer Vernooij Date: Wed, 17 Sep 2008 17:12:27 +0200 Subject: Move pidl to top-level directory. --- pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm | 327 +++++++++++++++++++++++++++++++++ 1 file changed, 327 insertions(+) create mode 100644 pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm (limited to 'pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm') diff --git a/pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm b/pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm new file mode 100644 index 0000000000..150acbfde9 --- /dev/null +++ b/pidl/lib/Parse/Pidl/Samba4/COM/Stub.pm @@ -0,0 +1,327 @@ +################################################### +# DCOM stub boilerplate generator +# Copyright jelmer@samba.org 2004-2005 +# Copyright tridge@samba.org 2003 +# Copyright metze@samba.org 2004 +# released under the GNU GPL + +package Parse::Pidl::Samba4::COM::Stub; + +use Parse::Pidl::Util qw(has_property); +use strict; + +use vars qw($VERSION); +$VERSION = '0.01'; + +my($res); + +sub pidl($) +{ + $res .= shift; +} + +##################################################### +# generate the switch statement for function dispatch +sub gen_dispatch_switch($) +{ + my $data = shift; + + my $count = 0; + foreach my $d (@{$data}) { + next if ($d->{TYPE} ne "FUNCTION"); + + pidl "\tcase $count: {\n"; + if ($d->{RETURN_TYPE} && $d->{RETURN_TYPE} ne "void") { + pidl "\t\tNTSTATUS result;\n"; + } + pidl "\t\tstruct $d->{NAME} *r2 = r;\n"; + pidl "\t\tif (DEBUGLEVEL > 10) {\n"; + pidl "\t\t\tNDR_PRINT_FUNCTION_DEBUG($d->{NAME}, NDR_IN, r2);\n"; + pidl "\t\t}\n"; + if ($d->{RETURN_TYPE} && $d->{RETURN_TYPE} ne "void") { + pidl "\t\tresult = vtable->$d->{NAME}(iface, mem_ctx, r2);\n"; + } else { + pidl "\t\tvtable->$d->{NAME}(iface, mem_ctx, r2);\n"; + } + pidl "\t\tif (dce_call->state_flags & DCESRV_CALL_STATE_FLAG_ASYNC) {\n"; + pidl "\t\t\tDEBUG(5,(\"function $d->{NAME} will reply async\\n\"));\n"; + pidl "\t\t}\n"; + pidl "\t\tbreak;\n\t}\n"; + $count++; + } +} + +##################################################### +# generate the switch statement for function reply +sub gen_reply_switch($) +{ + my $data = shift; + + my $count = 0; + foreach my $d (@{$data}) { + next if ($d->{TYPE} ne "FUNCTION"); + + pidl "\tcase $count: {\n"; + pidl "\t\tstruct $d->{NAME} *r2 = r;\n"; + pidl "\t\tif (dce_call->state_flags & DCESRV_CALL_STATE_FLAG_ASYNC) {\n"; + pidl "\t\t\tDEBUG(5,(\"function $d->{NAME} replied async\\n\"));\n"; + pidl "\t\t}\n"; + pidl "\t\tif (DEBUGLEVEL > 10 && dce_call->fault_code == 0) {\n"; + pidl "\t\t\tNDR_PRINT_FUNCTION_DEBUG($d->{NAME}, NDR_OUT | NDR_SET_VALUES, r2);\n"; + pidl "\t\t}\n"; + pidl "\t\tif (dce_call->fault_code != 0) {\n"; + pidl "\t\t\tDEBUG(2,(\"dcerpc_fault %s in $d->{NAME}\\n\", dcerpc_errstr(mem_ctx, dce_call->fault_code)));\n"; + pidl "\t\t}\n"; + pidl "\t\tbreak;\n\t}\n"; + $count++; + } +} + +##################################################################### +# produce boilerplate code for a interface +sub Boilerplate_Iface($) +{ + my($interface) = shift; + my($data) = $interface->{DATA}; + my $name = $interface->{NAME}; + my $uname = uc $name; + my $uuid = Parse::Pidl::Util::make_str($interface->{PROPERTIES}->{uuid}); + my $if_version = $interface->{PROPERTIES}->{version}; + + pidl " +static NTSTATUS $name\__op_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *iface) +{ +#ifdef DCESRV_INTERFACE_$uname\_BIND + return DCESRV_INTERFACE_$uname\_BIND(dce_call,iface); +#else + return NT_STATUS_OK; +#endif +} + +static void $name\__op_unbind(struct dcesrv_connection_context *context, const struct dcesrv_interface *iface) +{ +#ifdef DCESRV_INTERFACE_$uname\_UNBIND + DCESRV_INTERFACE_$uname\_UNBIND(context, iface); +#else + return; +#endif +} + +static NTSTATUS $name\__op_ndr_pull(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_pull *pull, void **r) +{ + NTSTATUS status; + uint16_t opnum = dce_call->pkt.u.request.opnum; + + dce_call->fault_code = 0; + + if (opnum >= dcerpc_table_$name.num_calls) { + dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR; + return NT_STATUS_NET_WRITE_FAULT; + } + + *r = talloc_size(mem_ctx, dcerpc_table_$name.calls[opnum].struct_size); + NT_STATUS_HAVE_NO_MEMORY(*r); + + /* unravel the NDR for the packet */ + status = dcerpc_table_$name.calls[opnum].ndr_pull(pull, NDR_IN, *r); + if (!NT_STATUS_IS_OK(status)) { + dcerpc_log_packet(&dcerpc_table_$name, opnum, NDR_IN, + &dce_call->pkt.u.request.stub_and_verifier); + dce_call->fault_code = DCERPC_FAULT_NDR; + return NT_STATUS_NET_WRITE_FAULT; + } + + return NT_STATUS_OK; +} + +static NTSTATUS $name\__op_dispatch(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, void *r) +{ + uint16_t opnum = dce_call->pkt.u.request.opnum; + struct GUID ipid = dce_call->pkt.u.request.object.object; + struct dcom_interface_p *iface = dcom_get_local_iface_p(&ipid); + const struct dcom_$name\_vtable *vtable = iface->vtable; + + switch (opnum) { +"; + gen_dispatch_switch($data); + +pidl " + default: + dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR; + break; + } + + if (dce_call->fault_code != 0) { + dcerpc_log_packet(&dcerpc_table_$name, opnum, NDR_IN, + &dce_call->pkt.u.request.stub_and_verifier); + return NT_STATUS_NET_WRITE_FAULT; + } + + return NT_STATUS_OK; +} + +static NTSTATUS $name\__op_reply(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, void *r) +{ + uint16_t opnum = dce_call->pkt.u.request.opnum; + + switch (opnum) { +"; + gen_reply_switch($data); + +pidl " + default: + dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR; + break; + } + + if (dce_call->fault_code != 0) { + dcerpc_log_packet(&dcerpc_table_$name, opnum, NDR_IN, + &dce_call->pkt.u.request.stub_and_verifier); + return NT_STATUS_NET_WRITE_FAULT; + } + + return NT_STATUS_OK; +} + +static NTSTATUS $name\__op_ndr_push(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_push *push, const void *r) +{ + NTSTATUS status; + uint16_t opnum = dce_call->pkt.u.request.opnum; + + status = dcerpc_table_$name.calls[opnum].ndr_push(push, NDR_OUT, r); + if (!NT_STATUS_IS_OK(status)) { + dce_call->fault_code = DCERPC_FAULT_NDR; + return NT_STATUS_NET_WRITE_FAULT; + } + + return NT_STATUS_OK; +} + +static const struct dcesrv_interface $name\_interface = { + .name = \"$name\", + .uuid = $uuid, + .if_version = $if_version, + .bind = $name\__op_bind, + .unbind = $name\__op_unbind, + .ndr_pull = $name\__op_ndr_pull, + .dispatch = $name\__op_dispatch, + .reply = $name\__op_reply, + .ndr_push = $name\__op_ndr_push +}; + +"; +} + +##################################################################### +# produce boilerplate code for an endpoint server +sub Boilerplate_Ep_Server($) +{ + my($interface) = shift; + my $name = $interface->{NAME}; + my $uname = uc $name; + + pidl " +static NTSTATUS $name\__op_init_server(struct dcesrv_context *dce_ctx, const struct dcesrv_endpoint_server *ep_server) +{ + int i; + + for (i=0;icount;i++) { + NTSTATUS ret; + const char *name = dcerpc_table_$name.endpoints->names[i]; + + ret = dcesrv_interface_register(dce_ctx, name, &$name\_interface, NULL); + if (!NT_STATUS_IS_OK(ret)) { + DEBUG(1,(\"$name\_op_init_server: failed to register endpoint \'%s\'\\n\",name)); + return ret; + } + } + + return NT_STATUS_OK; +} + +static BOOL $name\__op_interface_by_uuid(struct dcesrv_interface *iface, const char *uuid, uint32_t if_version) +{ + if (dcerpc_table_$name.if_version == if_version && + strcmp(dcerpc_table_$name.uuid, uuid)==0) { + memcpy(iface,&dcerpc_table_$name, sizeof(*iface)); + return True; + } + + return False; +} + +static BOOL $name\__op_interface_by_name(struct dcesrv_interface *iface, const char *name) +{ + if (strcmp(dcerpc_table_$name.name, name)==0) { + memcpy(iface,&dcerpc_table_$name, sizeof(*iface)); + return True; + } + + return False; +} + +NTSTATUS dcerpc_server_$name\_init(void) +{ + NTSTATUS ret; + struct dcesrv_endpoint_server ep_server; + + /* fill in our name */ + ep_server.name = \"$name\"; + + /* fill in all the operations */ + ep_server.init_server = $name\__op_init_server; + + ep_server.interface_by_uuid = $name\__op_interface_by_uuid; + ep_server.interface_by_name = $name\__op_interface_by_name; + + /* register ourselves with the DCERPC subsystem. */ + ret = dcerpc_register_ep_server(&ep_server); + + if (!NT_STATUS_IS_OK(ret)) { + DEBUG(0,(\"Failed to register \'$name\' endpoint server!\\n\")); + return ret; + } + + return ret; +} + +"; +} + +##################################################################### +# dcom interface stub from a parsed IDL structure +sub ParseInterface($) +{ + my($interface) = shift; + + return "" if has_property($interface, "local"); + + my($data) = $interface->{DATA}; + my $count = 0; + + $res = ""; + + if (!defined $interface->{PROPERTIES}->{uuid}) { + return $res; + } + + if (!defined $interface->{PROPERTIES}->{version}) { + $interface->{PROPERTIES}->{version} = "0.0"; + } + + foreach my $d (@{$data}) { + if ($d->{TYPE} eq "FUNCTION") { $count++; } + } + + if ($count == 0) { + return $res; + } + + $res = "/* dcom interface stub generated by pidl */\n\n"; + Boilerplate_Iface($interface); + Boilerplate_Ep_Server($interface); + + return $res; +} + +1; -- cgit