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Make the IRPC GetDC request use SAM_LOGON packets.

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This also moves the request to the new netlogon structures.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 2008-05-17 12:43:42 +10:00
parent 8b00a94294
commit 7ed4ba8d1a
1 changed files with 34 additions and 41 deletions
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75
source/nbt_server/irpc.c
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@ -49,7 +49,7 @@ static NTSTATUS nbtd_information(struct irpc_message *msg,
/*
winbind needs to be able to do a getdc request, but some windows
winbind needs to be able to do a getdc request, but most (all?) windows
servers always send the reply to port 138, regardless of the request
port. To cope with this we use a irpc request to the NBT server
which has port 138 open, and thus can receive the replies
@ -59,55 +59,47 @@ struct getdc_state {
struct nbtd_getdcname *req;
};
static void getdc_recv_ntlogon_reply(struct dgram_mailslot_handler *dgmslot,
static void getdc_recv_netlogon_reply(struct dgram_mailslot_handler *dgmslot,
struct nbt_dgram_packet *packet,
struct socket_address *src)
{
struct getdc_state *s =
talloc_get_type(dgmslot->private, struct getdc_state);
struct nbt_ntlogon_packet ntlogon;
const char *p;
struct nbt_netlogon_response netlogon;
NTSTATUS status;
status = dgram_mailslot_ntlogon_parse(dgmslot, packet, packet,
&ntlogon);
status = dgram_mailslot_netlogon_parse(dgmslot, packet, packet,
&netlogon);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(5, ("dgram_mailslot_ntlogon_parse failed: %s\n",
nt_errstr(status)));
goto done;
}
/* We asked for version 1 only */
if (netlogon.response_type == NETLOGON_SAMLOGON
&& netlogon.samlogon.ntver != NETLOGON_NT_VERSION_1) {
status = NT_STATUS_INVALID_NETWORK_RESPONSE;
goto done;
}
status = NT_STATUS_NO_LOGON_SERVERS;
DEBUG(10, ("reply: command=%d\n", ntlogon.command));
p = netlogon.samlogon.nt4.server;
switch (ntlogon.command) {
case NTLOGON_SAM_LOGON:
DEBUG(0, ("Huh -- got NTLOGON_SAM_LOGON as reply\n"));
break;
case NTLOGON_SAM_LOGON_REPLY:
case NTLOGON_SAM_LOGON_REPLY15: {
const char *p = ntlogon.req.reply.server;
DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, "
"domain: %s\n", p, netlogon.samlogon.nt4.user_name,
netlogon.samlogon.nt4.domain));
DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, "
"domain: %s\n", p, ntlogon.req.reply.user_name,
ntlogon.req.reply.domain));
if (*p == '\\') p += 1;
if (*p == '\\') p += 1;
s->req->out.dcname = talloc_strdup(s->req, p);
if (s->req->out.dcname == NULL) {
DEBUG(0, ("talloc failed\n"));
status = NT_STATUS_NO_MEMORY;
goto done;
}
status = NT_STATUS_OK;
break;
}
default:
DEBUG(0, ("Got unknown packet: %d\n", ntlogon.command));
break;
if (*p == '\\') p += 1;
if (*p == '\\') p += 1;
s->req->out.dcname = talloc_strdup(s->req, p);
if (s->req->out.dcname == NULL) {
DEBUG(0, ("talloc failed\n"));
status = NT_STATUS_NO_MEMORY;
goto done;
}
done:
@ -121,8 +113,8 @@ static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
talloc_get_type(msg->private, struct nbtd_server);
struct nbtd_interface *iface = nbtd_find_request_iface(server, req->in.ip_address, true);
struct getdc_state *s;
struct nbt_ntlogon_packet p;
struct nbt_ntlogon_sam_logon *r;
struct nbt_netlogon_packet p;
struct NETLOGON_SAM_LOGON_REQUEST *r;
struct nbt_name src, dst;
struct socket_address *dest;
struct dgram_mailslot_handler *handler;
@ -137,11 +129,11 @@ static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
s->req = req;
handler = dgram_mailslot_temp(iface->dgmsock, NBT_MAILSLOT_GETDC,
getdc_recv_ntlogon_reply, s);
getdc_recv_netlogon_reply, s);
NT_STATUS_HAVE_NO_MEMORY(handler);
ZERO_STRUCT(p);
p.command = NTLOGON_SAM_LOGON;
p.command = LOGON_SAM_LOGON_REQUEST;
r = &p.req.logon;
r->request_count = 0;
r->computer_name = req->in.my_computername;
@ -149,7 +141,7 @@ static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
r->mailslot_name = handler->mailslot_name;
r->acct_control = req->in.account_control;
r->sid = *req->in.domain_sid;
r->nt_version = 1;
r->nt_version = NETLOGON_NT_VERSION_1;
r->lmnt_token = 0xffff;
r->lm20_token = 0xffff;
@ -160,9 +152,10 @@ static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
req->in.ip_address, 138);
NT_STATUS_HAVE_NO_MEMORY(dest);
status = dgram_mailslot_ntlogon_send(iface->dgmsock, DGRAM_DIRECT_GROUP,
&dst, dest,
&src, &p);
status = dgram_mailslot_netlogon_send(iface->dgmsock,
&dst, dest,
NBT_MAILSLOT_NETLOGON,
&src, &p);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dgram_mailslot_ntlogon_send failed: %s\n",
nt_errstr(status)));