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authorGünther Deschner <gd@samba.org>2010-09-09 13:16:21 +0200
committerGünther Deschner <gd@samba.org>2010-09-09 23:07:11 +0200
commit36d7efa75a799522b8ac5995509573d667213799 (patch)
treea09b428614b3fd636bf626850b53ebcc976f4f28 /source3/nmbd
parentbfda968e0776dfc95e761ffd3a91f72702286fee (diff)
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s3-nmbd: use autogenerated marshalling for LOGON_PRIMARY_QUERY.
Couldn't find any reproducer for a short request, so removing it for now. Guenther
Diffstat (limited to 'source3/nmbd')
-rw-r--r--source3/nmbd/nmbd_processlogon.c142
1 files changed, 33 insertions, 109 deletions
diff --git a/source3/nmbd/nmbd_processlogon.c b/source3/nmbd/nmbd_processlogon.c
index 0fff424b3f..60c4523fcc 100644
--- a/source3/nmbd/nmbd_processlogon.c
+++ b/source3/nmbd/nmbd_processlogon.c
@@ -316,7 +316,6 @@ void process_logon_packet(struct packet_struct *p, char *buf,int len,
uint16 lmnttoken = 0;
uint16 lm20token = 0;
uint32 domainsidsize;
- bool short_request = False;
char *getdc;
char *uniuser; /* Unicode user name. */
fstring ascuser;
@@ -416,130 +415,55 @@ logons are not enabled.\n", inet_ntoa(p->ip) ));
}
case LOGON_PRIMARY_QUERY: {
- fstring mach_str, getdc_str;
- char *q = buf + 2;
- char *machine = q;
+
+ struct nbt_netlogon_response_from_pdc get_pdc;
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;
+ 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 = 1;
+ get_pdc.lmnt_token = 0xffff;
+ get_pdc.lm20_token = 0xffff;
+
+ response.response_type = NETLOGON_GET_PDC;
+ response.data.get_pdc = get_pdc;
- fstrcpy(reply_name,my_name);
- size = push_ascii(q, reply_name,
- sizeof(outbuf)-PTR_DIFF(q, outbuf),
- STR_TERMINATE);
- if (size == (size_t)-1) {
+ 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 = 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 (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(nbt_netlogon_response_from_pdc, &response.data.get_pdc);
}
- /* 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);
-
- send_mailslot(True, getdc_str,
- outbuf,PTR_DIFF(q,outbuf),
+ 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);
+
return;
}