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samba-mirror/source3/librpc/rpc/rpc_common.c
2011-04-29 21:01:04 +02:00

206 lines
5.3 KiB
C

/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
* Largely rewritten by Jeremy Allison 2005.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/rpc/dcerpc.h"
#include "../librpc/gen_ndr/ndr_lsa.h"
#include "../librpc/gen_ndr/ndr_dssetup.h"
#include "../librpc/gen_ndr/ndr_samr.h"
#include "../librpc/gen_ndr/ndr_netlogon.h"
#include "../librpc/gen_ndr/ndr_srvsvc.h"
#include "../librpc/gen_ndr/ndr_wkssvc.h"
#include "../librpc/gen_ndr/ndr_winreg.h"
#include "../librpc/gen_ndr/ndr_spoolss.h"
#include "../librpc/gen_ndr/ndr_dfs.h"
#include "../librpc/gen_ndr/ndr_echo.h"
#include "../librpc/gen_ndr/ndr_initshutdown.h"
#include "../librpc/gen_ndr/ndr_svcctl.h"
#include "../librpc/gen_ndr/ndr_eventlog.h"
#include "../librpc/gen_ndr/ndr_ntsvcs.h"
#include "../librpc/gen_ndr/ndr_epmapper.h"
#include "../librpc/gen_ndr/ndr_drsuapi.h"
static const char *get_pipe_name_from_iface(
TALLOC_CTX *mem_ctx, const struct ndr_interface_table *interface)
{
int i;
const struct ndr_interface_string_array *ep = interface->endpoints;
char *p;
for (i=0; i<ep->count; i++) {
if (strncmp(ep->names[i], "ncacn_np:[\\pipe\\", 16) == 0) {
break;
}
}
if (i == ep->count) {
return NULL;
}
/*
* extract the pipe name without \\pipe from for example
* ncacn_np:[\\pipe\\epmapper]
*/
p = strchr(ep->names[i]+15, ']');
if (p == NULL) {
return "PIPE";
}
return talloc_strndup(mem_ctx, ep->names[i]+15, p - ep->names[i] - 15);
}
static const struct ndr_interface_table **interfaces;
bool smb_register_ndr_interface(const struct ndr_interface_table *interface)
{
int num_interfaces = talloc_array_length(interfaces);
const struct ndr_interface_table **tmp;
int i;
for (i=0; i<num_interfaces; i++) {
if (ndr_syntax_id_equal(&interfaces[i]->syntax_id,
&interface->syntax_id)) {
return true;
}
}
tmp = talloc_realloc(NULL, interfaces,
const struct ndr_interface_table *,
num_interfaces + 1);
if (tmp == NULL) {
DEBUG(1, ("smb_register_ndr_interface: talloc failed\n"));
return false;
}
interfaces = tmp;
interfaces[num_interfaces] = interface;
return true;
}
static bool initialize_interfaces(void)
{
if (!smb_register_ndr_interface(&ndr_table_lsarpc)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_dssetup)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_samr)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_netlogon)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_srvsvc)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_wkssvc)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_winreg)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_spoolss)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_netdfs)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_rpcecho)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_initshutdown)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_svcctl)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_eventlog)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_ntsvcs)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_epmapper)) {
return false;
}
if (!smb_register_ndr_interface(&ndr_table_drsuapi)) {
return false;
}
return true;
}
const struct ndr_interface_table *get_iface_from_syntax(
const struct ndr_syntax_id *syntax)
{
int num_interfaces;
int i;
if (interfaces == NULL) {
if (!initialize_interfaces()) {
return NULL;
}
}
num_interfaces = talloc_array_length(interfaces);
for (i=0; i<num_interfaces; i++) {
if (ndr_syntax_id_equal(&interfaces[i]->syntax_id, syntax)) {
return interfaces[i];
}
}
return NULL;
}
/****************************************************************************
Return the pipe name from the interface.
****************************************************************************/
const char *get_pipe_name_from_syntax(TALLOC_CTX *mem_ctx,
const struct ndr_syntax_id *syntax)
{
const struct ndr_interface_table *interface;
char *guid_str;
const char *result;
interface = get_iface_from_syntax(syntax);
if (interface != NULL) {
result = get_pipe_name_from_iface(mem_ctx, interface);
if (result != NULL) {
return result;
}
}
/*
* Here we should ask \\epmapper, but for now our code is only
* interested in the known pipes mentioned in pipe_names[]
*/
guid_str = GUID_string(talloc_tos(), &syntax->uuid);
if (guid_str == NULL) {
return NULL;
}
result = talloc_asprintf(mem_ctx, "Interface %s.%d", guid_str,
(int)syntax->if_version);
TALLOC_FREE(guid_str);
if (result == NULL) {
return "PIPE";
}
return result;
}