-/*
+/*
Unix SMB/CIFS implementation.
NBT netbios routines and daemon - version 2
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Luke Kenneth Casson Leighton 1994-1998
Copyright (C) Jeremy Allison 1994-2003
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
-
+
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,
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, 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/>.
+
Revision History:
*/
#include "includes.h"
+#include "../libcli/netlogon/netlogon.h"
+#include "../libcli/cldap/cldap.h"
+#include "../lib/tsocket/tsocket.h"
+#include "../libcli/security/security.h"
+#include "secrets.h"
+#include "nmbd/nmbd.h"
struct sam_database_info {
uint32 index;
uint32 date_lo, date_hi;
};
-/****************************************************************************
-Send a message to smbd to do a sam delta sync
-**************************************************************************/
+/**
+ * check whether the client belongs to the hosts
+ * for which initial logon should be delayed...
+ */
+static bool delay_logon(const char *peer_name, const char *peer_addr)
+{
+ const char **delay_list = lp_init_logon_delayed_hosts();
+ const char *peer[2];
+
+ if (delay_list == NULL) {
+ return False;
+ }
+
+ peer[0] = peer_name;
+ peer[1] = peer_addr;
+
+ return list_match(delay_list, (const char *)peer, client_match);
+}
+
+static void delayed_init_logon_handler(struct event_context *event_ctx,
+ struct timed_event *te,
+ struct timeval now,
+ void *private_data)
+{
+ struct packet_struct *p = (struct packet_struct *)private_data;
+
+ DEBUG(10, ("delayed_init_logon_handler (%lx): re-queuing packet.\n",
+ (unsigned long)te));
+
+ queue_packet(p);
+
+ TALLOC_FREE(te);
+}
+
+struct nmbd_proxy_logon_context {
+ struct cldap_socket *cldap_sock;
+};
+
+static struct nmbd_proxy_logon_context *global_nmbd_proxy_logon;
+
+bool initialize_nmbd_proxy_logon(void)
+{
+ const char *cldap_server = lp_parm_const_string(-1, "nmbd_proxy_logon",
+ "cldap_server", NULL);
+ struct nmbd_proxy_logon_context *ctx;
+ NTSTATUS status;
+ struct in_addr addr;
+ char addrstr[INET_ADDRSTRLEN];
+ const char *server_str;
+ int ret;
+ struct tsocket_address *server_addr;
+
+ if (!cldap_server) {
+ return true;
+ }
+
+ addr = interpret_addr2(cldap_server);
+ server_str = inet_ntop(AF_INET, &addr,
+ addrstr, sizeof(addrstr));
+ if (!server_str || strcmp("0.0.0.0", server_str) == 0) {
+ DEBUG(0,("Failed to resolve[%s] for nmbd_proxy_logon\n",
+ cldap_server));
+ return false;
+ }
+
+ ctx = talloc_zero(nmbd_event_context(),
+ struct nmbd_proxy_logon_context);
+ if (!ctx) {
+ return false;
+ }
+
+ ret = tsocket_address_inet_from_strings(ctx, "ipv4",
+ server_str, LDAP_PORT,
+ &server_addr);
+ if (ret != 0) {
+ TALLOC_FREE(ctx);
+ status = map_nt_error_from_unix(errno);
+ DEBUG(0,("Failed to create cldap tsocket_address for %s - %s\n",
+ server_str, nt_errstr(status)));
+ return false;
+ }
+
+ /* we create a connected udp socket */
+ status = cldap_socket_init(ctx, nmbd_event_context(), NULL,
+ server_addr, &ctx->cldap_sock);
+ TALLOC_FREE(server_addr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(ctx);
+ DEBUG(0,("failed to create cldap socket for %s: %s\n",
+ server_str, nt_errstr(status)));
+ return false;
+ }
+
+ global_nmbd_proxy_logon = ctx;
+ return true;
+}
-static void send_repl_message(uint32 low_serial)
+struct nmbd_proxy_logon_state {
+ struct in_addr local_ip;
+ struct packet_struct *p;
+ const char *remote_name;
+ uint8_t remote_name_type;
+ const char *remote_mailslot;
+ struct nbt_netlogon_packet req;
+ struct nbt_netlogon_response resp;
+ struct cldap_netlogon io;
+};
+
+static int nmbd_proxy_logon_state_destructor(struct nmbd_proxy_logon_state *s)
{
- TDB_CONTEXT *tdb;
+ s->p->locked = false;
+ free_packet(s->p);
+ return 0;
+}
+
+static void nmbd_proxy_logon_done(struct tevent_req *subreq);
+
+static void nmbd_proxy_logon(struct nmbd_proxy_logon_context *ctx,
+ struct in_addr local_ip,
+ struct packet_struct *p,
+ const uint8_t *buf,
+ uint32_t len)
+{
+ struct nmbd_proxy_logon_state *state;
+ enum ndr_err_code ndr_err;
+ DATA_BLOB blob = data_blob_const(buf, len);
+ const char *computer_name = NULL;
+ const char *mailslot_name = NULL;
+ const char *user_name = NULL;
+ const char *domain_sid = NULL;
+ uint32_t acct_control = 0;
+ uint32_t nt_version = 0;
+ struct tevent_req *subreq;
+ fstring source_name;
+ struct dgram_packet *dgram = &p->packet.dgram;
+
+ state = talloc_zero(ctx, struct nmbd_proxy_logon_state);
+ if (!state) {
+ DEBUG(0,("failed to allocate nmbd_proxy_logon_state\n"));
+ return;
+ }
+
+ pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
+ state->remote_name = talloc_strdup(state, source_name);
+ state->remote_name_type = dgram->source_name.name_type,
+ state->local_ip = local_ip;
+ state->p = p;
+
+ ndr_err = ndr_pull_struct_blob(
+ &blob, state, &state->req,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
+ DEBUG(0,("failed parse nbt_netlogon_packet: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(state);
+ return;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10, ("nmbd_proxy_logon:\n"));
+ NDR_PRINT_DEBUG(nbt_netlogon_packet, &state->req);
+ }
+
+ switch (state->req.command) {
+ case LOGON_SAM_LOGON_REQUEST:
+ computer_name = state->req.req.logon.computer_name;
+ user_name = state->req.req.logon.user_name;
+ mailslot_name = state->req.req.logon.mailslot_name;
+ acct_control = state->req.req.logon.acct_control;
+ if (state->req.req.logon.sid_size > 0) {
+ domain_sid = dom_sid_string(state,
+ &state->req.req.logon.sid);
+ if (!domain_sid) {
+ DEBUG(0,("failed to get a string for sid\n"));
+ TALLOC_FREE(state);
+ return;
+ }
+ }
+ nt_version = state->req.req.logon.nt_version;
+ break;
+
+ default:
+ /* this can't happen as the caller already checks the command */
+ break;
+ }
- tdb = tdb_open_log(lock_path("connections.tdb"), 0,
- TDB_DEFAULT, O_RDONLY, 0);
+ state->remote_mailslot = mailslot_name;
- if (!tdb) {
- DEBUG(3, ("send_repl_message(): failed to open connections "
- "database\n"));
- return;
- }
+ if (user_name && strlen(user_name) == 0) {
+ user_name = NULL;
+ }
+
+ if (computer_name && strlen(computer_name) == 0) {
+ computer_name = NULL;
+ }
+
+ /*
+ * as the socket is connected,
+ * we don't need to specify the destination
+ */
+ state->io.in.dest_address = NULL;
+ state->io.in.dest_port = 0;
+ state->io.in.realm = NULL;
+ state->io.in.host = computer_name;
+ state->io.in.user = user_name;
+ state->io.in.domain_guid = NULL;
+ state->io.in.domain_sid = domain_sid;
+ state->io.in.acct_control = acct_control;
+ state->io.in.version = nt_version;
+ state->io.in.map_response = false;
+
+ subreq = cldap_netlogon_send(state,
+ ctx->cldap_sock,
+ &state->io);
+ if (!subreq) {
+ DEBUG(0,("failed to send cldap netlogon call\n"));
+ TALLOC_FREE(state);
+ return;
+ }
+ tevent_req_set_callback(subreq, nmbd_proxy_logon_done, state);
+
+ /* we reply async */
+ state->p->locked = true;
+ talloc_set_destructor(state, nmbd_proxy_logon_state_destructor);
+}
- DEBUG(3, ("sending replication message, serial = 0x%04x\n",
- low_serial));
-
- message_send_all(tdb, MSG_SMB_SAM_REPL, &low_serial,
- sizeof(low_serial), False, NULL);
+static void nmbd_proxy_logon_done(struct tevent_req *subreq)
+{
+ struct nmbd_proxy_logon_state *state =
+ tevent_req_callback_data(subreq,
+ struct nmbd_proxy_logon_state);
+ NTSTATUS status;
+ DATA_BLOB response = data_blob_null;
+
+ status = cldap_netlogon_recv(subreq, state, &state->io);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("failed to recv cldap netlogon call: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(state);
+ return;
+ }
+
+ status = push_netlogon_samlogon_response(&response, state,
+ &state->io.out.netlogon);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("failed to push netlogon_samlogon_response: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(state);
+ return;
+ }
- tdb_close(tdb);
+ send_mailslot(true, state->remote_mailslot,
+ (char *)response.data, response.length,
+ global_myname(), 0x0,
+ state->remote_name,
+ state->remote_name_type,
+ state->p->ip,
+ state->local_ip,
+ state->p->port);
+ TALLOC_FREE(state);
}
/****************************************************************************
Process a domain logon packet
**************************************************************************/
-void process_logon_packet(struct packet_struct *p, char *buf,int len,
+void process_logon_packet(struct packet_struct *p, const char *buf,int len,
const char *mailslot)
{
+ fstring source_name;
struct dgram_packet *dgram = &p->packet.dgram;
- pstring my_name;
- fstring reply_name;
- pstring outbuf;
- int code;
- uint16 token = 0;
- uint32 ntversion = 0;
- uint16 lmnttoken = 0;
- uint16 lm20token = 0;
- uint32 domainsidsize;
- BOOL short_request = False;
- char *getdc;
- char *uniuser; /* Unicode user name. */
- pstring ascuser;
- char *unicomp; /* Unicode computer name. */
-
- memset(outbuf, 0, sizeof(outbuf));
+ struct sockaddr_storage ss;
+ const struct sockaddr_storage *pss;
+ struct in_addr ip;
+
+ DATA_BLOB blob_in, blob_out;
+ enum ndr_err_code ndr_err;
+ struct nbt_netlogon_packet request;
+ struct nbt_netlogon_response response;
+ NTSTATUS status;
+ const char *pdc_name;
+
+ in_addr_to_sockaddr_storage(&ss, p->ip);
+ pss = iface_ip((struct sockaddr *)&ss);
+ if (!pss) {
+ DEBUG(5,("process_logon_packet:can't find outgoing interface "
+ "for packet from IP %s\n",
+ inet_ntoa(p->ip) ));
+ return;
+ }
+ ip = ((const struct sockaddr_in *)pss)->sin_addr;
if (!lp_domain_logons()) {
- DEBUG(3,("process_logon_packet: Logon packet received from IP %s and domain \
+ DEBUG(5,("process_logon_packet: Logon packet received from IP %s and domain \
logons are not enabled.\n", inet_ntoa(p->ip) ));
return;
}
- pstrcpy(my_name, global_myname());
+ pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
+
+ pdc_name = talloc_asprintf(talloc_tos(), "\\\\%s", global_myname());
+ if (!pdc_name) {
+ return;
+ }
+
+ ZERO_STRUCT(request);
+
+ blob_in = data_blob_const(buf, len);
+
+ ndr_err = ndr_pull_struct_blob(&blob_in, talloc_tos(), &request,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(1,("process_logon_packet: Failed to pull logon packet\n"));
+ return;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(nbt_netlogon_packet, &request);
+ }
+
+ DEBUG(4,("process_logon_packet: Logon from %s: code = 0x%x\n",
+ inet_ntoa(p->ip), request.command));
- code = SVAL(buf,0);
- DEBUG(1,("process_logon_packet: Logon from %s: code = 0x%x\n", inet_ntoa(p->ip), code));
+ switch (request.command) {
+ case LOGON_REQUEST: {
- switch (code) {
- case 0:
- {
- fstring mach_str, user_str, getdc_str;
- char *q = buf + 2;
- char *machine = q;
- char *user = skip_string(machine,1);
+ struct nbt_netlogon_response2 response2;
- getdc = skip_string(user,1);
- q = skip_string(getdc,1);
- token = SVAL(q,3);
+ DEBUG(5,("process_logon_packet: Domain login request from %s at IP %s user=%s token=%x\n",
+ request.req.logon0.computer_name, inet_ntoa(p->ip),
+ request.req.logon0.user_name,
+ request.req.logon0.lm20_token));
- fstrcpy(reply_name,my_name);
+ response2.command = LOGON_RESPONSE2;
+ response2.pdc_name = pdc_name;
+ response2.lm20_token = 0xffff;
- pull_ascii_fstring(mach_str, machine);
- pull_ascii_fstring(user_str, user);
- pull_ascii_fstring(getdc_str, getdc);
+ response.response_type = NETLOGON_RESPONSE2;
+ response.data.response2 = response2;
- DEBUG(3,("process_logon_packet: Domain login request from %s at IP %s user=%s token=%x\n",
- mach_str,inet_ntoa(p->ip),user_str,token));
+ status = push_nbt_netlogon_response(&blob_out, talloc_tos(), &response);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("process_logon_packet: failed to push packet\n"));
+ return;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(nbt_netlogon_response2, &response.data.response2);
+ }
+
+ send_mailslot(True, request.req.logon0.mailslot_name,
+ (char *)blob_out.data,
+ blob_out.length,
+ global_myname(), 0x0,
+ source_name,
+ dgram->source_name.name_type,
+ p->ip, ip, p->port);
+ break;
+ }
+
+ case LOGON_PRIMARY_QUERY: {
+
+ struct nbt_netlogon_response_from_pdc get_pdc;
+
+ if (!lp_domain_master()) {
+ /* We're not Primary Domain Controller -- ignore this */
+ return;
+ }
+
+ DEBUG(5,("process_logon_packet: GETDC request from %s at IP %s, "
+ "reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
+ request.req.pdc.computer_name,
+ inet_ntoa(p->ip),
+ global_myname(),
+ lp_workgroup(),
+ NETLOGON_RESPONSE_FROM_PDC,
+ request.req.pdc.nt_version,
+ request.req.pdc.lmnt_token,
+ request.req.pdc.lm20_token));
+
+ get_pdc.command = NETLOGON_RESPONSE_FROM_PDC;
+ get_pdc.pdc_name = global_myname();
+ get_pdc._pad = data_blob_null;
+ get_pdc.unicode_pdc_name = global_myname();
+ get_pdc.domain_name = lp_workgroup();
+ get_pdc.nt_version = NETLOGON_NT_VERSION_1;
+ get_pdc.lmnt_token = 0xffff;
+ get_pdc.lm20_token = 0xffff;
+
+ response.response_type = NETLOGON_GET_PDC;
+ response.data.get_pdc = get_pdc;
+
+ status = push_nbt_netlogon_response(&blob_out, talloc_tos(), &response);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("process_logon_packet: failed to push packet\n"));
+ return;
+ }
- q = outbuf;
- SSVAL(q, 0, 6);
- q += 2;
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(nbt_netlogon_response_from_pdc, &response.data.get_pdc);
+ }
- fstrcpy(reply_name, "\\\\");
- fstrcat(reply_name, my_name);
- push_ascii_fstring(q, reply_name);
- q = skip_string(q, 1); /* PDC name */
+ send_mailslot(True, request.req.pdc.mailslot_name,
+ (char *)blob_out.data,
+ blob_out.length,
+ global_myname(), 0x0,
+ source_name,
+ dgram->source_name.name_type,
+ p->ip, ip, p->port);
- SSVAL(q, 0, token);
- q += 2;
+ return;
+ }
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
+ case LOGON_SAM_LOGON_REQUEST: {
+ char *source_addr;
+ bool user_unknown = false;
- send_mailslot(True, getdc_str,
- outbuf,PTR_DIFF(q,outbuf),
- global_myname(), 0x0,
- mach_str,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
- break;
+ struct netlogon_samlogon_response samlogon;
+
+ if (global_nmbd_proxy_logon) {
+ nmbd_proxy_logon(global_nmbd_proxy_logon,
+ ip, p, (const uint8_t *)buf, len);
+ return;
+ }
+
+ source_addr = SMB_STRDUP(inet_ntoa(dgram->header.source_ip));
+ if (source_addr == NULL) {
+ DEBUG(3, ("out of memory copying client"
+ " address string\n"));
+ return;
+ }
+
+ DEBUG(5,("process_logon_packet: LOGON_SAM_LOGON_REQUEST request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
+ request.req.logon.computer_name,
+ inet_ntoa(p->ip),
+ request.req.logon.user_name,
+ pdc_name,
+ lp_workgroup(),
+ LOGON_SAM_LOGON_RESPONSE,
+ request.req.logon.lmnt_token));
+
+ if (!request.req.logon.user_name) {
+ user_unknown = true;
+ }
+
+ /* we want the simple version unless we are an ADS PDC..which means */
+ /* never, at least for now */
+
+ if ((request.req.logon.nt_version < (NETLOGON_NT_VERSION_1 | NETLOGON_NT_VERSION_5 | NETLOGON_NT_VERSION_5EX_WITH_IP)) ||
+ (SEC_ADS != lp_security()) || (ROLE_DOMAIN_PDC != lp_server_role())) {
+
+ struct NETLOGON_SAM_LOGON_RESPONSE_NT40 nt4;
+
+ nt4.command = user_unknown ? LOGON_SAM_LOGON_USER_UNKNOWN :
+ LOGON_SAM_LOGON_RESPONSE;
+ nt4.pdc_name = pdc_name;
+ nt4.user_name = request.req.logon.user_name;
+ nt4.domain_name = lp_workgroup();
+ nt4.nt_version = NETLOGON_NT_VERSION_1;
+ nt4.lmnt_token = 0xffff;
+ nt4.lm20_token = 0xffff;
+
+ samlogon.ntver = NETLOGON_NT_VERSION_1;
+ samlogon.data.nt4 = nt4;
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE_NT40, &nt4);
}
+ }
+#ifdef HAVE_ADS
+ else {
- case QUERYFORPDC:
- {
- fstring mach_str, getdc_str;
- nstring source_name;
- char *q = buf + 2;
- char *machine = q;
-
- if (!lp_domain_master()) {
- /* We're not Primary Domain Controller -- ignore this */
- return;
- }
-
- getdc = skip_string(machine,1);
- q = skip_string(getdc,1);
- q = ALIGN2(q, buf);
-
- /* At this point we can work out if this is a W9X or NT style
- request. Experiments show that the difference is wether the
- packet ends here. For a W9X request we now end with a pair of
- bytes (usually 0xFE 0xFF) whereas with NT we have two further
- strings - the following is a simple way of detecting this */
-
- if (len - PTR_DIFF(q, buf) <= 3) {
- short_request = True;
- } else {
- unicomp = q;
-
- /* A full length (NT style) request */
- q = skip_unibuf(unicomp, PTR_DIFF(buf + len, unicomp));
-
- if (len - PTR_DIFF(q, buf) > 8) {
- /* with NT5 clients we can sometimes
- get additional data - a length specificed string
- containing the domain name, then 16 bytes of
- data (no idea what it is) */
- int dom_len = CVAL(q, 0);
- q++;
- if (dom_len != 0) {
- q += dom_len + 1;
- }
- q += 16;
- }
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- }
-
- /* Construct reply. */
- q = outbuf;
- SSVAL(q, 0, QUERYFORPDC_R);
- q += 2;
-
- fstrcpy(reply_name,my_name);
- push_ascii_fstring(q, reply_name);
- q = skip_string(q, 1); /* PDC name */
-
- /* PDC and domain name */
- if (!short_request) {
- /* Make a full reply */
- q = ALIGN2(q, outbuf);
-
- q += dos_PutUniCode(q, my_name, sizeof(pstring), True); /* PDC name */
- q += dos_PutUniCode(q, lp_workgroup(),sizeof(pstring), True); /* Domain name*/
- SIVAL(q, 0, 1); /* our nt version */
- SSVAL(q, 4, 0xffff); /* our lmnttoken */
- SSVAL(q, 6, 0xffff); /* our lm20token */
- q += 8;
- }
-
- /* RJS, 21-Feb-2000, we send a short reply if the request was short */
-
- pull_ascii_fstring(mach_str, machine);
-
- DEBUG(3,("process_logon_packet: GETDC request from %s at IP %s, \
-reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
- mach_str,inet_ntoa(p->ip), reply_name, lp_workgroup(),
- QUERYFORPDC_R, (uint32)ntversion, (uint32)lmnttoken,
- (uint32)lm20token ));
-
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
-
- pull_ascii_fstring(getdc_str, getdc);
- pull_ascii_nstring(source_name, dgram->source_name.name);
-
- send_mailslot(True, getdc_str,
- outbuf,PTR_DIFF(q,outbuf),
- global_myname(), 0x0,
- source_name,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
+ struct NETLOGON_SAM_LOGON_RESPONSE_EX nt5_ex;
+ struct GUID domain_guid;
+ struct nbt_sockaddr saddr;
+ char *domain;
+ const char *hostname;
+
+ saddr.sockaddr_family = 2; /* AF_INET */
+ saddr.pdc_ip = inet_ntoa(ip);
+ saddr.remaining = data_blob_talloc_zero(talloc_tos(), 8); /* ??? */
+
+ domain = get_mydnsdomname(talloc_tos());
+ if (!domain) {
+ DEBUG(2,("get_mydnsdomname failed.\n"));
return;
}
- case SAMLOGON:
-
- {
- fstring getdc_str;
- nstring source_name;
- char *q = buf + 2;
- fstring asccomp;
-
- q += 2;
- unicomp = q;
- uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
- getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
- q = skip_string(getdc,1);
- q += 4; /* Account Control Bits - indicating username type */
- domainsidsize = IVAL(q, 0);
- q += 4;
-
- DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d, len = %d\n", domainsidsize, len));
-
- if (domainsidsize < (len - PTR_DIFF(q, buf)) && (domainsidsize != 0)) {
- q += domainsidsize;
- q = ALIGN4(q, buf);
- }
-
- DEBUG(3,("process_logon_packet: len = %d PTR_DIFF(q, buf) = %d\n", len, PTR_DIFF(q, buf) ));
-
- if (len - PTR_DIFF(q, buf) > 8) {
- /* with NT5 clients we can sometimes
- get additional data - a length specificed string
- containing the domain name, then 16 bytes of
- data (no idea what it is) */
- int dom_len = CVAL(q, 0);
- q++;
- if (dom_len < (len - PTR_DIFF(q, buf)) && (dom_len != 0)) {
- q += dom_len + 1;
- }
- q += 16;
- }
-
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- q += 8;
-
- DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
-
- /*
- * we respond regadless of whether the machine is in our password
- * database. If it isn't then we let smbd send an appropriate error.
- * Let's ignore the SID.
- */
- pull_ucs2_pstring(ascuser, uniuser);
- pull_ucs2_fstring(asccomp, unicomp);
- DEBUG(3,("process_logon_packet: SAMLOGON user %s\n", ascuser));
-
- fstrcpy(reply_name, "\\\\"); /* Here it wants \\LOGONSERVER. */
- fstrcat(reply_name, my_name);
-
- DEBUG(3,("process_logon_packet: SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
- asccomp,inet_ntoa(p->ip), ascuser, reply_name, lp_workgroup(),
- SAMLOGON_R ,lmnttoken));
-
- /* Construct reply. */
-
- q = outbuf;
- /* we want the simple version unless we are an ADS PDC..which means */
- /* never, at least for now */
- if ((ntversion < 11) || (SEC_ADS != lp_security()) || (ROLE_DOMAIN_PDC != lp_server_role())) {
- if (SVAL(uniuser, 0) == 0) {
- SSVAL(q, 0, SAMLOGON_UNK_R); /* user unknown */
- } else {
- SSVAL(q, 0, SAMLOGON_R);
- }
-
- q += 2;
-
- q += dos_PutUniCode(q, reply_name,sizeof(pstring), True);
- q += dos_PutUniCode(q, ascuser, sizeof(pstring), True);
- q += dos_PutUniCode(q, lp_workgroup(),sizeof(pstring), True);
- }
-#ifdef HAVE_ADS
- else {
- struct uuid domain_guid;
- UUID_FLAT flat_guid;
- pstring domain;
- pstring hostname;
- char *component, *dc, *q1;
- uint8 size;
- char *q_orig = q;
- int str_offset;
-
- get_mydomname(domain);
- get_myname(hostname);
-
- if (SVAL(uniuser, 0) == 0) {
- SIVAL(q, 0, SAMLOGON_AD_UNK_R); /* user unknown */
- } else {
- SIVAL(q, 0, SAMLOGON_AD_R);
- }
- q += 4;
-
- SIVAL(q, 0, ADS_PDC|ADS_GC|ADS_LDAP|ADS_DS|
- ADS_KDC|ADS_TIMESERV|ADS_CLOSEST|ADS_WRITABLE);
- q += 4;
-
- /* Push Domain GUID */
- if (False == secrets_fetch_domain_guid(domain, &domain_guid)) {
- DEBUG(2, ("Could not fetch DomainGUID for %s\n", domain));
- return;
- }
-
- smb_uuid_pack(domain_guid, &flat_guid);
- memcpy(q, &flat_guid.info, UUID_FLAT_SIZE);
- q += UUID_FLAT_SIZE;
-
- /* Forest */
- str_offset = q - q_orig;
- dc = domain;
- q1 = q;
- while ((component = strtok(dc, "."))) {
- dc = NULL;
- size = push_ascii(&q[1], component, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- }
-
- /* Unk0 */
- SCVAL(q, 0, 0);
- q++;
-
- /* Domain */
- SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
- SCVAL(q, 1, str_offset & 0xFF);
- q += 2;
-
- /* Hostname */
- size = push_ascii(&q[1], hostname, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
- SCVAL(q, 1, str_offset & 0xFF);
- q += 2;
-
- /* NETBIOS of domain */
- size = push_ascii(&q[1], lp_workgroup(), -1, STR_UPPER);
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Unk1 */
- SCVAL(q, 0, 0);
- q++;
-
- /* NETBIOS of hostname */
- size = push_ascii(&q[1], my_name, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Unk2 */
- SCVAL(q, 0, 0);
- q++;
-
- /* User name */
- if (SVAL(uniuser, 0) != 0) {
- size = push_ascii(&q[1], ascuser, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- }
-
- q_orig = q;
- /* Site name */
- size = push_ascii(&q[1], "Default-First-Site-Name", -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Site name (2) */
- str_offset = q - q_orig;
- SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
- SCVAL(q, 1, str_offset & 0xFF);
- q += 2;
-
- SCVAL(q, 0, PTR_DIFF(q,q1));
- SCVAL(q, 1, 0x10); /* unknown */
-
- SIVAL(q, 0, 0x00000002);
- q += 4; /* unknown */
- SIVAL(q, 0, (iface_ip(p->ip))->s_addr);
- q += 4;
- SIVAL(q, 0, 0x00000000);
- q += 4; /* unknown */
- SIVAL(q, 0, 0x00000000);
- q += 4; /* unknown */
- }
-#endif
-
- /* tell the client what version we are */
- SIVAL(q, 0, ((ntversion < 11) || (SEC_ADS != lp_security())) ? 1 : 13);
- /* our ntversion */
- SSVAL(q, 4, 0xffff); /* our lmnttoken */
- SSVAL(q, 6, 0xffff); /* our lm20token */
- q += 8;
-
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
-
- pull_ascii_fstring(getdc_str, getdc);
- pull_ascii_nstring(source_name, dgram->source_name.name);
-
- send_mailslot(True, getdc,
- outbuf,PTR_DIFF(q,outbuf),
- global_myname(), 0x0,
- dgram->source_name.name,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
- break;
+ hostname = get_mydnsfullname();
+ if (!hostname) {
+ DEBUG(2,("get_mydnsfullname failed.\n"));
+ return;
+ }
+
+ if (!secrets_fetch_domain_guid(domain, &domain_guid)) {
+ DEBUG(2,("Could not fetch DomainGUID for %s\n", domain));
+ return;
}
- /* Announce change to UAS or SAM. Send by the domain controller when a
- replication event is required. */
-
- case SAM_UAS_CHANGE:
- {
- struct sam_database_info *db_info;
- char *q = buf + 2;
- int i, db_count;
- uint32 low_serial;
-
- /* Header */
-
- low_serial = IVAL(q, 0); q += 4; /* Low serial number */
-
- q += 4; /* Date/time */
- q += 4; /* Pulse */
- q += 4; /* Random */
-
- /* Domain info */
-
- q = skip_string(q, 1); /* PDC name */
- q = skip_string(q, 1); /* Domain name */
- q = skip_unibuf(q, PTR_DIFF(buf + len, q)); /* Unicode PDC name */
- q = skip_unibuf(q, PTR_DIFF(buf + len, q)); /* Unicode domain name */
-
- /* Database info */
-
- db_count = SVAL(q, 0); q += 2;
-
- db_info = (struct sam_database_info *)
- malloc(sizeof(struct sam_database_info) * db_count);
-
- if (db_info == NULL) {
- DEBUG(3, ("out of memory allocating info for %d databases\n", db_count));
- return;
- }
-
- for (i = 0; i < db_count; i++) {
- db_info[i].index = IVAL(q, 0);
- db_info[i].serial_lo = IVAL(q, 4);
- db_info[i].serial_hi = IVAL(q, 8);
- db_info[i].date_lo = IVAL(q, 12);
- db_info[i].date_hi = IVAL(q, 16);
- q += 20;
- }
-
- /* Domain SID */
-
-#if 0
- /* We must range check this. */
- q += IVAL(q, 0) + 4; /* 4 byte length plus data */
-
- q += 2; /* Alignment? */
-
- /* Misc other info */
-
- q += 4; /* NT version (0x1) */
- q += 2; /* LMNT token (0xff) */
- q += 2; /* LM20 token (0xff) */
-#endif
-
- SAFE_FREE(db_info); /* Not sure whether we need to do anything useful with these */
-
- /* Send message to smbd */
-
- send_repl_message(low_serial);
- break;
+ nt5_ex.command = user_unknown ? LOGON_SAM_LOGON_USER_UNKNOWN_EX :
+ LOGON_SAM_LOGON_RESPONSE_EX;
+ nt5_ex.sbz = 0;
+ nt5_ex.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;
+ nt5_ex.domain_uuid = domain_guid;
+ nt5_ex.forest = domain;
+ nt5_ex.dns_domain = domain;
+ nt5_ex.pdc_dns_name = hostname;
+ nt5_ex.domain_name = lp_workgroup();
+ nt5_ex.pdc_name = global_myname();
+ nt5_ex.user_name = request.req.logon.user_name;
+ nt5_ex.server_site = "Default-First-Site-Name";
+ nt5_ex.client_site = "Default-First-Site-Name";
+ nt5_ex.sockaddr_size = 0x10; /* the w32 winsock addr size */
+ nt5_ex.sockaddr = saddr;
+ nt5_ex.next_closest_site= NULL;
+ nt5_ex.nt_version = NETLOGON_NT_VERSION_1 |
+ NETLOGON_NT_VERSION_5EX |
+ NETLOGON_NT_VERSION_5EX_WITH_IP;
+ nt5_ex.lmnt_token = 0xffff;
+ nt5_ex.lm20_token = 0xffff;
+
+ samlogon.ntver = NETLOGON_NT_VERSION_1 |
+ NETLOGON_NT_VERSION_5EX |
+ NETLOGON_NT_VERSION_5EX_WITH_IP;
+ samlogon.data.nt5_ex = nt5_ex;
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE_EX, &nt5_ex);
}
+ }
+#endif /* HAVE_ADS */
- default:
- DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));
+ response.response_type = NETLOGON_SAMLOGON;
+ response.data.samlogon = samlogon;
+
+ status = push_nbt_netlogon_response(&blob_out, talloc_tos(), &response);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("process_logon_packet: failed to push packet\n"));
return;
+ }
+
+ /*
+ * handle delay.
+ * packets requeued after delay are marked as
+ * locked.
+ */
+ if ((p->locked == False) &&
+ (strlen(request.req.logon.user_name) == 0) &&
+ delay_logon(source_name, source_addr))
+ {
+ struct timeval when;
+
+ DEBUG(3, ("process_logon_packet: "
+ "delaying initial logon "
+ "reply for client %s(%s) for "
+ "%u milliseconds\n",
+ source_name, source_addr,
+ lp_init_logon_delay()));
+
+ when = timeval_current_ofs_msec(lp_init_logon_delay());
+ p->locked = true;
+ event_add_timed(nmbd_event_context(),
+ NULL,
+ when,
+ delayed_init_logon_handler,
+ p);
+ } else {
+ DEBUG(3, ("process_logon_packet: "
+ "processing delayed initial "
+ "logon reply for client "
+ "%s(%s)\n",
+ source_name, source_addr));
+ p->locked = false;
+ send_mailslot(true, request.req.logon.mailslot_name,
+ (char *)blob_out.data,
+ blob_out.length,
+ global_myname(), 0x0,
+ source_name,
+ dgram->source_name.name_type,
+ p->ip, ip, p->port);
+ }
+
+ SAFE_FREE(source_addr);
+
+ break;
+ }
+
+ /* Announce change to UAS or SAM. Send by the domain controller when a
+ replication event is required. */
+
+ case NETLOGON_ANNOUNCE_UAS:
+ DEBUG(5, ("Got NETLOGON_ANNOUNCE_UAS\n"));
+ break;
+
+ default:
+ DEBUG(3,("process_logon_packet: Unknown domain request %d\n",
+ request.command));
+ return;
}
}
git.samba.org / nivanova / samba-autobuild / .git / blobdiff