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Diffstat (limited to 'source3/nmbd/nmbd_processlogon.c')
-rw-r--r--source3/nmbd/nmbd_processlogon.c1042
1 files changed, 519 insertions, 523 deletions
diff --git a/source3/nmbd/nmbd_processlogon.c b/source3/nmbd/nmbd_processlogon.c
index d9e3ea8c9c..357d00b413 100644
--- a/source3/nmbd/nmbd_processlogon.c
+++ b/source3/nmbd/nmbd_processlogon.c
@@ -351,585 +351,581 @@ logons are not enabled.\n", inet_ntoa(p->ip) ));
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);
+ 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 (!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);
+ 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);
+ fstrcpy(reply_name,my_name);
- pull_ascii_fstring(mach_str, machine);
- pull_ascii_fstring(user_str, user);
- pull_ascii_fstring(getdc_str, getdc);
+ 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));
+ 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;
+ 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 */
+ 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;
+ SSVAL(q, 0, token);
+ q += 2;
- dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
+ 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;
- }
+ 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;
+ }
- case LOGON_PRIMARY_QUERY:
- {
- fstring mach_str, getdc_str;
- fstring source_name;
- char *q = buf + 2;
- char *machine = q;
+ 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;
- }
+ if (!lp_domain_master()) {
+ /* We're not Primary Domain Controller -- ignore this */
+ return;
+ }
- getdc = skip_string(buf,len,machine);
+ 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 (!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);
- }
+ if (!q || PTR_DIFF(q, buf) >= len) {
+ DEBUG(0,("process_logon_packet: bad packet\n"));
+ return;
+ }
+ q = ALIGN2(q, buf);
- /* Construct reply. */
- q = outbuf;
- SSVAL(q, 0, NETLOGON_RESPONSE_FROM_PDC);
- q += 2;
+ /* 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 */
- 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;
- }
+ if (len - PTR_DIFF(q, buf) <= 3) {
+ short_request = True;
+ } else {
+ unicomp = q;
- /* RJS, 21-Feb-2000, we send a short reply if the request was short */
+ if (PTR_DIFF(q, buf) >= len) {
+ DEBUG(0,("process_logon_packet: bad packet\n"));
+ return;
+ }
- pull_ascii_fstring(mach_str, machine);
+ /* A full length (NT style) request */
+ q = skip_unibuf(unicomp, PTR_DIFF(buf + len, unicomp));
- 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 ));
+ 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;
+ }
- dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
+ ntversion = IVAL(q, 0);
+ lmnttoken = SVAL(q, 4);
+ lm20token = SVAL(q, 6);
+ }
- pull_ascii_fstring(getdc_str, getdc);
- pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
+ /* Construct reply. */
+ q = outbuf;
+ SSVAL(q, 0, NETLOGON_RESPONSE_FROM_PDC);
+ q += 2;
- 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);
+ 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;
+ }
- case LOGON_SAM_LOGON_REQUEST:
+ /* RJS, 21-Feb-2000, we send a short reply if the request was short */
- {
- fstring getdc_str;
- fstring source_name;
- char *source_addr;
- char *q = buf + 2;
- fstring asccomp;
+ pull_ascii_fstring(mach_str, machine);
- if (global_nmbd_proxy_logon) {
- nmbd_proxy_logon(global_nmbd_proxy_logon,
- ip, p, (uint8_t *)buf, len);
- 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",
+ mach_str,inet_ntoa(p->ip), reply_name, lp_workgroup(),
+ NETLOGON_RESPONSE_FROM_PDC, (uint32)ntversion, (uint32)lmnttoken,
+ (uint32)lm20token ));
- q += 2;
+ dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
- if (PTR_DIFF(q, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
+ pull_ascii_fstring(getdc_str, getdc);
+ pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
- unicomp = q;
- uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
+ 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;
+ }
- if (PTR_DIFF(uniuser, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
+ case LOGON_SAM_LOGON_REQUEST: {
+ fstring getdc_str;
+ fstring source_name;
+ char *source_addr;
+ char *q = buf + 2;
+ fstring asccomp;
- getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
+ if (global_nmbd_proxy_logon) {
+ nmbd_proxy_logon(global_nmbd_proxy_logon,
+ ip, p, (uint8_t *)buf, len);
+ return;
+ }
- if (PTR_DIFF(getdc, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
+ q += 2;
- q = skip_string(buf,len,getdc);
+ if (PTR_DIFF(q, buf) >= len) {
+ DEBUG(0,("process_logon_packet: bad packet\n"));
+ return;
+ }
- if (!q || PTR_DIFF(q + 8, buf) >= len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
+ unicomp = q;
+ uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
- q += 4; /* Account Control Bits - indicating username type */
- domainsidsize = IVAL(q, 0);
- q += 4;
+ if (PTR_DIFF(uniuser, buf) >= len) {
+ DEBUG(0,("process_logon_packet: bad packet\n"));
+ return;
+ }
- DEBUG(5,("process_logon_packet: LOGON_SAM_LOGON_REQUEST sidsize %d, len = %d\n", domainsidsize, len));
+ getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
- if (domainsidsize < (len - PTR_DIFF(q, buf)) && (domainsidsize != 0)) {
- q += domainsidsize;
- q = ALIGN4(q, buf);
- }
+ if (PTR_DIFF(getdc, buf) >= len) {
+ DEBUG(0,("process_logon_packet: bad packet\n"));
+ return;
+ }
- 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;
- }
+ q = skip_string(buf,len,getdc);
- if (PTR_DIFF(q + 8, buf) > len) {
- DEBUG(0,("process_logon_packet: bad packet\n"));
- return;
- }
+ if (!q || 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);
- }
+ 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
+ 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) {
+ 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;
}
-
- /* 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"));
+ 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;
+ }
- /*
- * 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);
+ 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);
+ }
- SAFE_FREE(source_addr);
+ 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);
- break;
+ if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 18) {
+ return;
}
- /* Announce change to UAS or SAM. Send by the domain controller when a
- replication event is required. */
+ /* 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
- case NETLOGON_ANNOUNCE_UAS:
- DEBUG(5, ("Got NETLOGON_ANNOUNCE_UAS\n"));
- break;
+ if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
+ return;
+ }
- default:
- DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));
+ /* 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;
+ }
+
+ /* 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",code));
+ return;
}
}
generated by cgit (git 2.34.1) at 2025-11-04 06:42:11 +0000