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r6323: added server side support for dgram NTLOGON requests. NT4 workstations can now login

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to a Samba4 domain.
(This used to be commit df146d64eb)
This commit is contained in:
Andrew Tridgell 2005-04-13 05:50:02 +00:00 committed by Gerald (Jerry) Carter
parent 481e80afc4
commit 63ddff3d7b
6 changed files with 70 additions and 11 deletions
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1
source4/libcli/dgram/libdgram.h
View File

@ -109,6 +109,7 @@ struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgms
const char *mailslot_name,
dgram_mailslot_handler_t handler,
void *private);
DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram);
NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,

18
source4/libcli/dgram/mailslot.c
View File

@ -194,3 +194,21 @@ NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
return status;
}
/*
return the mailslot data portion from a mailslot packet
*/
DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram)
{
struct smb_trans_body *trans = &dgram->data.msg.body.smb.body.trans;
DATA_BLOB ret = trans->data;
int pad = trans->data_offset - (70 + strlen(trans->mailslot_name));
if (pad < 0 || pad > ret.length) {
DEBUG(2,("Badly formatted data in mailslot - pad = %d\n", pad));
return data_blob(NULL, 0);
}
ret.data += pad;
ret.length -= pad;
return ret;
}

8
source4/libcli/dgram/netlogon.c
View File

@ -101,16 +101,16 @@ NTSTATUS dgram_mailslot_netlogon_parse(struct dgram_mailslot_handler *dgmslot,
struct nbt_dgram_packet *dgram,
struct nbt_netlogon_packet *netlogon)
{
DATA_BLOB *data = &dgram->data.msg.body.smb.body.trans.data;
DATA_BLOB data = dgram_mailslot_data(dgram);
NTSTATUS status;
status = ndr_pull_struct_blob(data, mem_ctx, netlogon,
status = ndr_pull_struct_blob(&data, mem_ctx, netlogon,
(ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_packet);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to parse netlogon packet of length %d\n",
data->length));
data.length));
#if 0
file_save("netlogon.dat", data->data, data->length);
file_save("netlogon.dat", data.data, data.length);
#endif
}
return status;

8
source4/libcli/dgram/ntlogon.c
View File

@ -101,16 +101,16 @@ NTSTATUS dgram_mailslot_ntlogon_parse(struct dgram_mailslot_handler *dgmslot,
struct nbt_dgram_packet *dgram,
struct nbt_ntlogon_packet *ntlogon)
{
DATA_BLOB *data = &dgram->data.msg.body.smb.body.trans.data;
DATA_BLOB data = dgram_mailslot_data(dgram);
NTSTATUS status;
status = ndr_pull_struct_blob(data, mem_ctx, ntlogon,
status = ndr_pull_struct_blob(&data, mem_ctx, ntlogon,
(ndr_pull_flags_fn_t)ndr_pull_nbt_ntlogon_packet);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to parse ntlogon packet of length %d\n",
data->length));
data.length));
#if 0
file_save("ntlogon.dat", data->data, data->length);
file_save("ntlogon.dat", data.data, data.length);
#endif
}
return status;

3
source4/librpc/idl/nbt.idl
View File

@ -259,7 +259,7 @@
[value(strlen(r->mailslot_name)+1+r->data.length)]
uint16 byte_count;
astring mailslot_name;
[flag(NDR_REMAINING)] DATA_BLOB data;
[flag(NDR_REMAINING)] DATA_BLOB data;
} smb_trans_body;
typedef [nodiscriminant] union {
@ -435,5 +435,4 @@
nbt_ntlogon_command command;
[switch_is(command)] nbt_ntlogon_request req;
} nbt_ntlogon_packet;
}

41
source4/nbt_server/dgram/ntlogon.c
View File

@ -26,6 +26,44 @@
#include "smbd/service_task.h"
#include "lib/socket/socket.h"
/*
reply to a SAM LOGON request
*/
static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot,
struct nbt_dgram_packet *packet,
const char *src_address, int src_port,
struct nbt_ntlogon_packet *ntlogon)
{
struct nbt_name *name = &packet->data.msg.dest_name;
struct nbt_ntlogon_packet reply;
struct nbt_ntlogon_sam_logon_reply *logon;
/* only answer sam logon requests on the PDC or LOGON names */
if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
return;
}
/* setup a SAM LOGON reply */
ZERO_STRUCT(reply);
reply.command = NTLOGON_SAM_LOGON_REPLY;
logon = &reply.req.reply;
logon->server = talloc_asprintf(packet, "\\\\%s", lp_netbios_name());
logon->user_name = ntlogon->req.logon.user_name;
logon->domain = lp_workgroup();
logon->nt_version = 1;
logon->lmnt_token = 0xFFFF;
logon->lm20_token = 0xFFFF;
packet->data.msg.dest_name.type = 0;
dgram_mailslot_ntlogon_reply(dgmslot->dgmsock,
packet,
ntlogon->req.logon.mailslot_name,
&reply);
}
/*
handle incoming ntlogon mailslot requests
*/
@ -60,6 +98,9 @@ void nbtd_mailslot_ntlogon_handler(struct dgram_mailslot_handler *dgmslot,
NDR_PRINT_DEBUG(nbt_ntlogon_packet, ntlogon);
switch (ntlogon->command) {
case NTLOGON_SAM_LOGON:
nbtd_ntlogon_sam_logon(dgmslot, packet, src_address, src_port, ntlogon);
break;
default:
DEBUG(2,("unknown ntlogon op %d from %s:%d\n",
ntlogon->command, src_address, src_port));