s4-loadparm: 2nd half of lp_ to lpcfg_ conversion
[kamenim/samba.git] / source4 / nbt_server / dgram / netlogon.c
index 91da11299a79ade5e0803d463fcef82cf832a5e2..8e231ccc23326cfd28818cbcc5dcd39793b10122 100644 (file)
@@ -4,10 +4,11 @@
    NBT datagram netlogon server
 
    Copyright (C) Andrew Tridgell       2005
-   
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
+  
    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 2 of the License, or
+   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,
    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, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
-#include "dlinklist.h"
 #include "nbt_server/nbt_server.h"
-#include "smbd/service_task.h"
 #include "lib/socket/socket.h"
+#include "lib/ldb/include/ldb.h"
+#include "dsdb/samdb/samdb.h"
+#include "auth/auth.h"
+#include "../lib/util/util_ldb.h"
+#include "param/param.h"
+#include "smbd/service_task.h"
+#include "cldap_server/cldap_server.h"
+#include "libcli/security/security.h"
+#include "nbt_server/dgram/proto.h"
 
 /*
   reply to a GETDC request
  */
 static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot, 
+                               struct nbtd_interface *iface,
                                struct nbt_dgram_packet *packet, 
-                               const char *src_address, int src_port,
+                               const struct socket_address *src,
                                struct nbt_netlogon_packet *netlogon)
 {
        struct nbt_name *name = &packet->data.msg.dest_name;
-       struct nbt_netlogon_packet reply;
+       struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, false);
        struct nbt_netlogon_response_from_pdc *pdc;
+       struct ldb_context *samctx;
+       struct nbt_netlogon_response netlogon_response;
 
        /* only answer getdc requests on the PDC or LOGON names */
        if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
                return;
        }
 
+       samctx = iface->nbtsrv->sam_ctx;
+
+       if (lpcfg_server_role(iface->nbtsrv->task->lp_ctx) != ROLE_DOMAIN_CONTROLLER
+           || !samdb_is_pdc(samctx)) {
+               DEBUG(2, ("Not a PDC, so not processing LOGON_PRIMARY_QUERY\n"));
+               return;         
+       }
+
+       if (strcasecmp_m(name->name, lpcfg_workgroup(iface->nbtsrv->task->lp_ctx)) != 0) {
+               DEBUG(5,("GetDC requested for a domian %s that we don't host\n", name->name));
+               return;
+       }
+
        /* setup a GETDC reply */
-       ZERO_STRUCT(reply);
-       reply.command = NETLOGON_RESPONSE_FROM_PDC;
-       pdc = &reply.req.response;
+       ZERO_STRUCT(netlogon_response);
+       netlogon_response.response_type = NETLOGON_GET_PDC;
+       pdc = &netlogon_response.data.get_pdc;
 
-       pdc->pdc_name         = lp_netbios_name();
+       pdc->command = NETLOGON_RESPONSE_FROM_PDC;
+       pdc->pdc_name         = lpcfg_netbios_name(iface->nbtsrv->task->lp_ctx);
        pdc->unicode_pdc_name = pdc->pdc_name;
-       pdc->domain_name      = lp_workgroup();
+       pdc->domain_name      = lpcfg_workgroup(iface->nbtsrv->task->lp_ctx);
        pdc->nt_version       = 1;
        pdc->lmnt_token       = 0xFFFF;
        pdc->lm20_token       = 0xFFFF;
 
+       dgram_mailslot_netlogon_reply(reply_iface->dgmsock, 
+                                     packet, 
+                                     lpcfg_netbios_name(iface->nbtsrv->task->lp_ctx),
+                                     netlogon->req.pdc.mailslot_name,
+                                     &netlogon_response);
+}
+
+
+/*
+  reply to a ADS style GETDC request
+ */
+static void nbtd_netlogon_samlogon(struct dgram_mailslot_handler *dgmslot,
+                                  struct nbtd_interface *iface,
+                                  struct nbt_dgram_packet *packet, 
+                                  const struct socket_address *src,
+                                  struct nbt_netlogon_packet *netlogon)
+{
+       struct nbt_name *name = &packet->data.msg.dest_name;
+       struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, false);
+       struct ldb_context *samctx;
+       const char *my_ip = reply_iface->ip_address; 
+       struct dom_sid *sid;
+       struct nbt_netlogon_response netlogon_response;
+       NTSTATUS status;
+
+       if (!my_ip) {
+               DEBUG(0, ("Could not obtain own IP address for datagram socket\n"));
+               return;
+       }
+
+       /* only answer getdc requests on the PDC or LOGON names */
+       if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
+               return;
+       }
+
+       samctx = iface->nbtsrv->sam_ctx;
+
+       if (netlogon->req.logon.sid_size) {
+               sid = &netlogon->req.logon.sid;
+       } else {
+               sid = NULL;
+       }
+
+       status = fill_netlogon_samlogon_response(samctx, packet, NULL, name->name, sid, NULL, 
+                                                netlogon->req.logon.user_name, netlogon->req.logon.acct_control, src->addr, 
+                                                netlogon->req.logon.nt_version, iface->nbtsrv->task->lp_ctx, &netlogon_response.data.samlogon, false);
+       if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(2,("NBT netlogon query failed domain=%s sid=%s version=%d - %s\n",
+                        name->name, dom_sid_string(packet, sid), netlogon->req.logon.nt_version, nt_errstr(status)));
+               return;
+       }
+
+       netlogon_response.response_type = NETLOGON_SAMLOGON;
 
        packet->data.msg.dest_name.type = 0;
 
-       dgram_mailslot_netlogon_reply(dgmslot->dgmsock, 
+       dgram_mailslot_netlogon_reply(reply_iface->dgmsock, 
                                      packet, 
-                                     netlogon->req.pdc.mailslot_name,
-                                     &reply);
+                                     lpcfg_netbios_name(iface->nbtsrv->task->lp_ctx),
+                                     netlogon->req.logon.mailslot_name,
+                                     &netlogon_response);
 }
 
 
@@ -70,11 +148,11 @@ static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
 */
 void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot, 
                                    struct nbt_dgram_packet *packet, 
-                                   const char *src_address, int src_port)
+                                   struct socket_address *src)
 {
        NTSTATUS status = NT_STATUS_NO_MEMORY;
        struct nbtd_interface *iface = 
-               talloc_get_type(dgmslot->private, struct nbtd_interface);
+               talloc_get_type(dgmslot->private_data, struct nbtd_interface);
        struct nbt_netlogon_packet *netlogon = 
                talloc(dgmslot, struct nbt_netlogon_packet);
        struct nbtd_iface_name *iname;
@@ -92,19 +170,23 @@ void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot,
        }
 
        DEBUG(2,("netlogon request to %s from %s:%d\n", 
-                nbt_name_string(netlogon, name), src_address, src_port));
-       status = dgram_mailslot_netlogon_parse(dgmslot, netlogon, packet, netlogon);
+                nbt_name_string(netlogon, name), src->addr, src->port));
+       status = dgram_mailslot_netlogon_parse_request(dgmslot, netlogon, packet, netlogon);
        if (!NT_STATUS_IS_OK(status)) goto failed;
 
-       NDR_PRINT_DEBUG(nbt_netlogon_packet, netlogon);
-
        switch (netlogon->command) {
-       case NETLOGON_QUERY_FOR_PDC:
-               nbtd_netlogon_getdc(dgmslot, packet, src_address, src_port, netlogon);
+       case LOGON_PRIMARY_QUERY:
+               nbtd_netlogon_getdc(dgmslot, iface, packet, 
+                                   src, netlogon);
+               break;
+       case LOGON_SAM_LOGON_REQUEST:
+               nbtd_netlogon_samlogon(dgmslot, iface, packet, 
+                                      src, netlogon);
                break;
        default:
                DEBUG(2,("unknown netlogon op %d from %s:%d\n", 
-                        netlogon->command, src_address, src_port));
+                        netlogon->command, src->addr, src->port));
+               NDR_PRINT_DEBUG(nbt_netlogon_packet, netlogon);
                break;
        }
 
@@ -112,7 +194,8 @@ void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot,
        return;
 
 failed:
-       DEBUG(2,("nbtd netlogon handler failed from %s:%d - %s\n",
-                src_address, src_port, nt_errstr(status)));
+       DEBUG(2,("nbtd netlogon handler failed from %s:%d to %s - %s\n",
+                src->addr, src->port, nbt_name_string(netlogon, name),
+                nt_errstr(status)));
        talloc_free(netlogon);
 }