-/*
+/*
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 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/>.
-
+
Revision History:
*/
#include "includes.h"
-#include "../libcli/netlogon.h"
+#include "../libcli/netlogon/netlogon.h"
#include "../libcli/cldap/cldap.h"
#include "../lib/tsocket/tsocket.h"
-#include "../libcli/security/dom_sid.h"
+#include "../libcli/security/security.h"
+#include "secrets.h"
+#include "nmbd/nmbd.h"
struct sam_database_info {
uint32 index;
}
/* we create a connected udp socket */
- status = cldap_socket_init(ctx, nmbd_event_context(), NULL,
- server_addr, &ctx->cldap_sock);
+ status = cldap_socket_init(ctx, NULL, server_addr, &ctx->cldap_sock);
TALLOC_FREE(server_addr);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(ctx);
static void nmbd_proxy_logon(struct nmbd_proxy_logon_context *ctx,
struct in_addr local_ip,
struct packet_struct *p,
- uint8_t *buf,
+ const uint8_t *buf,
uint32_t len)
{
struct nmbd_proxy_logon_state *state;
fstring source_name;
struct dgram_packet *dgram = &p->packet.dgram;
- state = TALLOC_ZERO_P(ctx, struct nmbd_proxy_logon_state);
+ state = talloc_zero(ctx, struct nmbd_proxy_logon_state);
if (!state) {
DEBUG(0,("failed to allocate nmbd_proxy_logon_state\n"));
return;
state->io.in.version = nt_version;
state->io.in.map_response = false;
- subreq = cldap_netlogon_send(state,
+ subreq = cldap_netlogon_send(state, nmbd_event_context(),
ctx->cldap_sock,
&state->io);
if (!subreq) {
return;
}
- status = push_netlogon_samlogon_response(&response, state,
+ 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",
send_mailslot(true, state->remote_mailslot,
(char *)response.data, response.length,
- global_myname(), 0x0,
+ lp_netbios_name(), 0x0,
state->remote_name,
state->remote_name_type,
state->p->ip,
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;
- fstring my_name;
- fstring reply_name;
- char outbuf[1024];
- 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. */
- fstring ascuser;
- char *unicomp; /* Unicode computer name. */
- size_t size;
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) {
inet_ntoa(p->ip) ));
return;
}
- ip = ((struct sockaddr_in *)pss)->sin_addr;
+ ip = ((const struct sockaddr_in *)pss)->sin_addr;
- memset(outbuf, 0, sizeof(outbuf));
-
- if (!lp_domain_logons()) {
+ if (!IS_DC) {
DEBUG(5,("process_logon_packet: Logon packet received from IP %s and domain \
logons are not enabled.\n", inet_ntoa(p->ip) ));
return;
}
- fstrcpy(my_name, global_myname());
-
- code = get_safe_SVAL(buf,len,buf,0,-1);
- DEBUG(4,("process_logon_packet: Logon from %s: code = 0x%x\n", inet_ntoa(p->ip), code));
-
- switch (code) {
- case 0:
- {
- fstring mach_str, user_str, getdc_str;
- char *q = buf + 2;
- char *machine = q;
- char *user = skip_string(buf,len,machine);
-
- if (!user || PTR_DIFF(user, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
- getdc = skip_string(buf,len,user);
-
- if (!getdc || PTR_DIFF(getdc, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
- q = skip_string(buf,len,getdc);
-
- if (!q || PTR_DIFF(q + 5, buf) > len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
- token = SVAL(q,3);
-
- fstrcpy(reply_name,my_name);
-
- pull_ascii_fstring(mach_str, machine);
- pull_ascii_fstring(user_str, user);
- pull_ascii_fstring(getdc_str, getdc);
-
- DEBUG(5,("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));
-
- q = outbuf;
- SSVAL(q, 0, 6);
- q += 2;
-
- fstrcpy(reply_name, "\\\\");
- fstrcat(reply_name, my_name);
- size = push_ascii(q,reply_name,
- sizeof(outbuf)-PTR_DIFF(q, outbuf),
- STR_TERMINATE);
- if (size == (size_t)-1) {
- return;
- }
- q = skip_string(outbuf,sizeof(outbuf),q); /* PDC name */
-
- SSVAL(q, 0, token);
- q += 2;
-
- dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
-
- send_mailslot(True, getdc_str,
- outbuf,PTR_DIFF(q,outbuf),
- global_myname(), 0x0,
- mach_str,
- dgram->source_name.name_type,
- p->ip, ip, p->port);
- break;
- }
+ pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
- case LOGON_PRIMARY_QUERY:
- {
- fstring mach_str, getdc_str;
- fstring 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(buf,len,machine);
-
- if (!getdc || PTR_DIFF(getdc, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
- q = skip_string(buf,len,getdc);
-
- if (!q || PTR_DIFF(q, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
- 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;
-
- if (PTR_DIFF(q, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- /* A full length (NT style) request */
- q = skip_unibuf(unicomp, PTR_DIFF(buf + len, unicomp));
-
- if (PTR_DIFF(q, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- 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;
- }
-
- if (PTR_DIFF(q + 8, buf) > len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- }
-
- /* Construct reply. */
- q = outbuf;
- SSVAL(q, 0, NETLOGON_RESPONSE_FROM_PDC);
- q += 2;
-
- fstrcpy(reply_name,my_name);
- size = push_ascii(q, reply_name,
- sizeof(outbuf)-PTR_DIFF(q, outbuf),
- STR_TERMINATE);
- if (size == (size_t)-1) {
- return;
- }
- q = skip_string(outbuf,sizeof(outbuf),q); /* PDC name */
-
- /* PDC and domain name */
- if (!short_request) {
- /* Make a full reply */
- q = ALIGN2(q, outbuf);
-
- q += dos_PutUniCode(q, my_name,
- sizeof(outbuf) - PTR_DIFF(q, outbuf),
- True); /* PDC name */
- q += dos_PutUniCode(q, lp_workgroup(),
- sizeof(outbuf) - PTR_DIFF(q, outbuf),
- True); /* Domain name*/
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
- return;
- }
- 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(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",
- mach_str,inet_ntoa(p->ip), reply_name, lp_workgroup(),
- NETLOGON_RESPONSE_FROM_PDC, (uint32)ntversion, (uint32)lmnttoken,
- (uint32)lm20token ));
-
- dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
-
- pull_ascii_fstring(getdc_str, getdc);
- pull_ascii_nstring(source_name, sizeof(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, ip, p->port);
- return;
- }
+ pdc_name = talloc_asprintf(talloc_tos(), "\\\\%s", lp_netbios_name());
+ if (!pdc_name) {
+ return;
+ }
- case LOGON_SAM_LOGON_REQUEST:
-
- {
- fstring getdc_str;
- fstring source_name;
- char *source_addr;
- char *q = buf + 2;
- fstring asccomp;
-
- if (global_nmbd_proxy_logon) {
- nmbd_proxy_logon(global_nmbd_proxy_logon,
- ip, p, (uint8_t *)buf, len);
- return;
- }
-
- q += 2;
-
- if (PTR_DIFF(q, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- unicomp = q;
- uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
-
- if (PTR_DIFF(uniuser, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
-
- if (PTR_DIFF(getdc, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- q = skip_string(buf,len,getdc);
-
- if (!q || PTR_DIFF(q + 8, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- q += 4; /* Account Control Bits - indicating username type */
- domainsidsize = IVAL(q, 0);
- q += 4;
-
- DEBUG(5,("process_logon_packet: LOGON_SAM_LOGON_REQUEST sidsize %d, len = %d\n", domainsidsize, len));
-
- if (domainsidsize < (len - PTR_DIFF(q, buf)) && (domainsidsize != 0)) {
- q += domainsidsize;
- q = ALIGN4(q, buf);
- }
-
- DEBUG(5,("process_logon_packet: len = %d PTR_DIFF(q, buf) = %ld\n", len, (unsigned long)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;
- }
-
- if (PTR_DIFF(q + 8, buf) > len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
-
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- q += 8;
-
- DEBUG(3,("process_logon_packet: LOGON_SAM_LOGON_REQUEST 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_fstring(ascuser, uniuser);
- pull_ucs2_fstring(asccomp, unicomp);
- DEBUG(5,("process_logon_packet: LOGON_SAM_LOGON_REQUEST user %s\n", ascuser));
-
- fstrcpy(reply_name, "\\\\"); /* Here it wants \\LOGONSERVER. */
- fstrcat(reply_name, my_name);
-
- 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",
- asccomp,inet_ntoa(p->ip), ascuser, reply_name, lp_workgroup(),
- LOGON_SAM_LOGON_RESPONSE ,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, LOGON_SAM_LOGON_USER_UNKNOWN); /* user unknown */
- } else {
- SSVAL(q, 0, LOGON_SAM_LOGON_RESPONSE);
- }
-
- q += 2;
-
- q += dos_PutUniCode(q, reply_name,
- sizeof(outbuf) - PTR_DIFF(q, outbuf),
- True);
- q += dos_PutUniCode(q, ascuser,
- sizeof(outbuf) - PTR_DIFF(q, outbuf),
- True);
- q += dos_PutUniCode(q, lp_workgroup(),
- sizeof(outbuf) - PTR_DIFF(q, outbuf),
- True);
- }
-#ifdef HAVE_ADS
- else {
- struct GUID domain_guid;
- UUID_FLAT flat_guid;
- char *domain;
- char *hostname;
- char *component, *dc, *q1;
- char *q_orig = q;
- int str_offset;
- char *saveptr = NULL;
-
- domain = get_mydnsdomname(talloc_tos());
- if (!domain) {
- DEBUG(2,
- ("get_mydnsdomname failed.\n"));
- return;
- }
- hostname = get_myname(talloc_tos());
- if (!hostname) {
- DEBUG(2,
- ("get_myname failed.\n"));
- return;
- }
-
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
- return;
- }
- if (SVAL(uniuser, 0) == 0) {
- SIVAL(q, 0, LOGON_SAM_LOGON_USER_UNKNOWN_EX); /* user unknown */
- } else {
- SIVAL(q, 0, LOGON_SAM_LOGON_RESPONSE_EX);
- }
- q += 4;
-
- SIVAL(q, 0, NBT_SERVER_PDC|NBT_SERVER_GC|NBT_SERVER_LDAP|NBT_SERVER_DS|
- NBT_SERVER_KDC|NBT_SERVER_TIMESERV|NBT_SERVER_CLOSEST|NBT_SERVER_WRITABLE);
- q += 4;
-
- /* Push Domain GUID */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < UUID_FLAT_SIZE) {
- return;
- }
- 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_r(dc, ".", &saveptr)) != NULL) {
- dc = NULL;
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 1) {
- return;
- }
- size = push_ascii(&q[1], component,
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- 0);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
- }
-
- /* Unk0 */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 4) {
- return;
- }
- 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,
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- 0);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
-
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 3) {
- return;
- }
-
- 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(),
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- STR_UPPER);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Unk1 */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 2) {
- return;
- }
-
- SCVAL(q, 0, 0);
- q++;
-
- /* NETBIOS of hostname */
- size = push_ascii(&q[1], my_name,
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- 0);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Unk2 */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 4) {
- return;
- }
-
- SCVAL(q, 0, 0);
- q++;
-
- /* User name */
- if (SVAL(uniuser, 0) != 0) {
- size = push_ascii(&q[1], ascuser,
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- 0);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
- }
-
- q_orig = q;
- /* Site name */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 1) {
- return;
- }
- size = push_ascii(&q[1], "Default-First-Site-Name",
- sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
- 0);
- if (size == (size_t)-1 || size > 0xff) {
- return;
- }
- SCVAL(q, 0, size);
- q += (size + 1);
-
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 18) {
- return;
- }
-
- /* 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, ntohl(ip.s_addr));
- q += 4;
- SIVAL(q, 0, 0x00000000);
- q += 4; /* unknown */
- SIVAL(q, 0, 0x00000000);
- q += 4; /* unknown */
- }
-#endif
-
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
- return;
- }
-
- /* 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, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
-
- pull_ascii_fstring(getdc_str, getdc);
- pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
- 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;
- }
-
- /*
- * handle delay.
- * packets requeued after delay are marked as
- * locked.
- */
- if ((p->locked == False) &&
- (strlen(ascuser) == 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(0,
- lp_init_logon_delay() * 1000);
- 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, getdc,
- outbuf,PTR_DIFF(q,outbuf),
- global_myname(), 0x0,
- source_name,
- dgram->source_name.name_type,
- p->ip, ip, p->port);
- }
-
- SAFE_FREE(source_addr);
-
- break;
- }
+ 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));
+
+ switch (request.command) {
+ case LOGON_REQUEST: {
+
+ struct nbt_netlogon_response2 response2;
+
+ 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));
+
+ response2.command = LOGON_RESPONSE2;
+ response2.pdc_name = pdc_name;
+ response2.lm20_token = 0xffff;
+
+ response.response_type = NETLOGON_RESPONSE2;
+ response.data.response2 = response2;
+
+ 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,
+ lp_netbios_name(), 0x0,
+ source_name,
+ dgram->source_name.name_type,
+ p->ip, ip, p->port);
+ break;
+ }
- /* Announce change to UAS or SAM. Send by the domain controller when a
- replication event is required. */
+ case LOGON_PRIMARY_QUERY: {
- case NETLOGON_ANNOUNCE_UAS:
- DEBUG(5, ("Got NETLOGON_ANNOUNCE_UAS\n"));
- break;
+ struct nbt_netlogon_response_from_pdc get_pdc;
- default:
- DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));
+ 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),
+ lp_netbios_name(),
+ 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 = lp_netbios_name();
+ get_pdc._pad = data_blob_null;
+ get_pdc.unicode_pdc_name = lp_netbios_name();
+ 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;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(nbt_netlogon_response_from_pdc, &response.data.get_pdc);
+ }
+
+ send_mailslot(True, request.req.pdc.mailslot_name,
+ (char *)blob_out.data,
+ blob_out.length,
+ lp_netbios_name(), 0x0,
+ source_name,
+ dgram->source_name.name_type,
+ p->ip, ip, p->port);
+
+ return;
+ }
+
+ case LOGON_SAM_LOGON_REQUEST: {
+ char *source_addr;
+ bool user_unknown = false;
+
+ struct netlogon_samlogon_response samlogon;
+ struct NETLOGON_SAM_LOGON_RESPONSE_NT40 nt4;
+
+ 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;
+ }
+
+ 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);
+ }
+
+ 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"));
+ SAFE_FREE(source_addr);
+ 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,
+ lp_netbios_name(), 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 / samba.git / blobdiff