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authorAndrew Tridgell <tridge@samba.org>2005-04-14 07:40:23 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:11:33 -0500
commite284a262942eb8c69d7862cb61bf4542baec6032 (patch)
tree74c000adaa7fbe5b73e943272050d612112ff3a3 /source4/nbt_server
parent8c4e06004cf5e95ea861440ef0ec0b4ddacf4c10 (diff)
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r6338: ADS style GETDC response now works well enough that WinXP can join
Samba4 without Samba3 nmbd (This used to be commit f4d07d7d3b6973b503d8c98f177471dd6cebfa92)
Diffstat (limited to 'source4/nbt_server')
-rw-r--r--source4/nbt_server/dgram/netlogon.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/source4/nbt_server/dgram/netlogon.c b/source4/nbt_server/dgram/netlogon.c
index 91da11299a..d47c45a875 100644
--- a/source4/nbt_server/dgram/netlogon.c
+++ b/source4/nbt_server/dgram/netlogon.c
@@ -66,6 +66,85 @@ static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
/*
+ reply to a ADS style GETDC request
+ */
+static void nbtd_netlogon_getdc2(struct dgram_mailslot_handler *dgmslot,
+ struct nbt_dgram_packet *packet,
+ const char *src_address, int src_port,
+ struct nbt_netlogon_packet *netlogon)
+{
+ struct nbt_name *name = &packet->data.msg.dest_name;
+ struct nbt_netlogon_packet reply;
+ struct nbt_netlogon_response_from_pdc2 *pdc;
+ struct ldb_context *samctx;
+ const char *attrs[] = {"realm", "dnsDomain", "objectGUID", NULL};
+ struct ldb_message **res;
+ int ret;
+
+ /* only answer getdc requests on the PDC or LOGON names */
+ if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
+ return;
+ }
+
+ samctx = samdb_connect(packet);
+ if (samctx == NULL) {
+ DEBUG(2,("Unable to open sam in getdc reply\n"));
+ return;
+ }
+
+ /* try and find the domain */
+ ret = gendb_search(samctx, samctx, NULL, &res, attrs,
+ "(&(name=%s)(objectClass=domainDNS))", name->name);
+ if (ret != 1) {
+ DEBUG(2,("Unable to find domain '%s' in sam\n", name->name));
+ return;
+ }
+
+ /* setup a GETDC reply */
+ ZERO_STRUCT(reply);
+ if (netlogon->req.pdc2.user_name[0]) {
+ reply.command = NETLOGON_RESPONSE_FROM_PDC_USER;
+ } else {
+ reply.command = NETLOGON_RESPONSE_FROM_PDC2;
+ }
+ pdc = &reply.req.response2;
+
+ /* TODO: accurately depict which services we are running */
+ pdc->server_type =
+ NBT_SERVER_PDC | NBT_SERVER_GC | NBT_SERVER_LDAP |
+ NBT_SERVER_DS | NBT_SERVER_KDC | NBT_SERVER_TIMESERV |
+ NBT_SERVER_CLOSEST | NBT_SERVER_WRITABLE | NBT_SERVER_GOOD_TIMESERV;
+
+ pdc->domain_uuid = samdb_result_guid(res[0], "objectGUID");
+ pdc->forest = samdb_result_string(res[0], "realm", lp_realm());
+ pdc->dns_domain = samdb_result_string(res[0], "dnsDomain", lp_realm());
+
+ /* TODO: get our full DNS name from somewhere else */
+ pdc->pdc_dns_name = talloc_asprintf(packet, "%s.%s",
+ lp_netbios_name(), pdc->dns_domain);
+ pdc->domain = name->name;
+ pdc->pdc_name = lp_netbios_name();
+ pdc->user_name = netlogon->req.pdc2.user_name;
+ /* TODO: we need to make sure these are in our DNS zone */
+ pdc->site_name = "Default-First-Site-Name";
+ pdc->site_name2 = "Default-First-Site-Name";
+ pdc->unknown = 0x10; /* what is this? */
+ pdc->unknown2 = 2; /* and this ... */
+ pdc->pdc_ip = socket_get_my_addr(dgmslot->dgmsock->sock, packet);
+ pdc->nt_version = 13;
+ pdc->lmnt_token = 0xFFFF;
+ pdc->lm20_token = 0xFFFF;
+
+ packet->data.msg.dest_name.type = 0;
+
+ dgram_mailslot_netlogon_reply(dgmslot->dgmsock,
+ packet,
+ netlogon->req.pdc2.mailslot_name,
+ &reply);
+}
+
+
+/*
handle incoming netlogon mailslot requests
*/
void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot,
@@ -102,6 +181,9 @@ void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot,
case NETLOGON_QUERY_FOR_PDC:
nbtd_netlogon_getdc(dgmslot, packet, src_address, src_port, netlogon);
break;
+ case NETLOGON_QUERY_FOR_PDC2:
+ nbtd_netlogon_getdc2(dgmslot, packet, src_address, src_port, netlogon);
+ break;
default:
DEBUG(2,("unknown netlogon op %d from %s:%d\n",
netlogon->command, src_address, src_port));