{
fstring source_name;
struct dgram_packet *dgram = &p->packet.dgram;
- fstring my_name;
- fstring reply_name;
- char outbuf[1024];
- uint32 ntversion = 0;
- uint16 lmnttoken = 0;
- uint16 lm20token = 0;
- uint32 domainsidsize;
- 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;
}
ip = ((struct sockaddr_in *)pss)->sin_addr;
- memset(outbuf, 0, sizeof(outbuf));
-
if (!lp_domain_logons()) {
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());
-
pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
pdc_name = talloc_asprintf(talloc_tos(), "\\\\%s", global_myname());
}
case LOGON_SAM_LOGON_REQUEST: {
- fstring getdc_str;
char *source_addr;
- char *q = buf + 2;
- fstring asccomp;
+ bool user_unknown = false;
+
+ struct netlogon_samlogon_response samlogon;
if (global_nmbd_proxy_logon) {
nmbd_proxy_logon(global_nmbd_proxy_logon,
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"));
+ 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;
}
- 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;
- }
+ 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 (PTR_DIFF(q + 8, buf) > len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
+ if (!request.req.logon.user_name) {
+ user_unknown = true;
}
- 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 want the simple version unless we are an ADS PDC..which means */
+ /* never, at least for now */
- /*
- * 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));
+ 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())) {
- fstrcpy(reply_name, "\\\\"); /* Here it wants \\LOGONSERVER. */
- fstrcat(reply_name, my_name);
+ struct NETLOGON_SAM_LOGON_RESPONSE_NT40 nt4;
- 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));
+ 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;
- /* Construct reply. */
+ samlogon.ntver = NETLOGON_NT_VERSION_1;
+ samlogon.data.nt4 = nt4;
- 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);
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE_NT40, &nt4);
}
-
- 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 NETLOGON_SAM_LOGON_RESPONSE_EX nt5_ex;
struct GUID domain_guid;
- UUID_FLAT flat_guid;
+ struct nbt_sockaddr saddr;
char *domain;
- char *hostname;
- char *component, *dc, *q1;
- char *q_orig = q;
- int str_offset;
- char *saveptr = NULL;
+ 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;
- }
- 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) {
+ DEBUG(2,("get_mydnsdomname failed.\n"));
return;
}
- SCVAL(q, 0, size);
- q += (size + 1);
- /* Unk2 */
- if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 4) {
+ hostname = get_mydnsfullname();
+ if (!hostname) {
+ DEBUG(2,("get_mydnsfullname failed.\n"));
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) {
+ if (!secrets_fetch_domain_guid(domain, &domain_guid)) {
+ DEBUG(2,("Could not fetch DomainGUID for %s\n", domain));
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;
+ 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);
}
-
- /* 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;
}
+#endif /* HAVE_ADS */
- /* 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));
+ response.response_type = NETLOGON_SAMLOGON;
+ response.data.samlogon = samlogon;
- pull_ascii_fstring(getdc_str, getdc);
- source_addr = SMB_STRDUP(inet_ntoa(dgram->header.source_ip));
- if (source_addr == NULL) {
- DEBUG(3, ("out of memory copying client"
- " address string\n"));
+ 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;
}
* locked.
*/
if ((p->locked == False) &&
- (strlen(ascuser) == 0) &&
+ (strlen(request.req.logon.user_name) == 0) &&
delay_logon(source_name, source_addr))
{
struct timeval when;
"logon reply for client "
"%s(%s)\n",
source_name, source_addr));
-
p->locked = false;
- send_mailslot(true, getdc,
- outbuf,PTR_DIFF(q,outbuf),
+ 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,
git.samba.org / ira / wip.git / blobdiff