diff options
Diffstat (limited to 'source4/nbt_server/nbt_server.c')
| -rw-r--r-- | source4/nbt_server/nbt_server.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/source4/nbt_server/nbt_server.c b/source4/nbt_server/nbt_server.c index 2119610988..83a7ae8a2f 100644 --- a/source4/nbt_server/nbt_server.c +++ b/source4/nbt_server/nbt_server.c @@ -43,6 +43,116 @@ static NTSTATUS nbtd_information(struct irpc_message *msg, return NT_STATUS_OK; } +struct getdc_state { + struct irpc_message *msg; + struct nbtd_getdcname *req; +}; + +static void getdc_recv_ntlogon_reply(struct dgram_mailslot_handler *dgmslot, + struct nbt_dgram_packet *packet, + const char *src_address, int src_port) +{ + struct getdc_state *s = + talloc_get_type(dgmslot->private, struct getdc_state); + + struct nbt_ntlogon_packet ntlogon; + NTSTATUS status; + + status = dgram_mailslot_ntlogon_parse(dgmslot, packet, packet, + &ntlogon); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(5, ("dgram_mailslot_ntlogon_parse failed: %s\n", + nt_errstr(status))); + goto done; + } + + status = NT_STATUS_NO_LOGON_SERVERS; + + DEBUG(10, ("reply: command=%d\n", ntlogon.command)); + + switch (ntlogon.command) { + case NTLOGON_SAM_LOGON: + DEBUG(0, ("Huh -- got NTLOGON_SAM_LOGON as reply\n")); + break; + case NTLOGON_SAM_LOGON_REPLY: + DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, " + "domain: %s\n", ntlogon.req.reply.server, + ntlogon.req.reply.user_name, + ntlogon.req.reply.domain)); + s->req->out.dcname = + talloc_strdup(s->req, ntlogon.req.reply.server); + 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; + } + + done: + irpc_send_reply(s->msg, status); +} + +static NTSTATUS nbtd_getdcname(struct irpc_message *msg, + struct nbtd_getdcname *req) +{ + struct nbtd_server *server = + talloc_get_type(msg->private, struct nbtd_server); + + struct getdc_state *s; + struct nbt_ntlogon_packet p; + struct nbt_ntlogon_sam_logon *r; + struct nbt_dgram_socket *sock; + struct nbt_name src, dst; + struct dgram_mailslot_handler *handler; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + + DEBUG(0, ("nbtd_getdcname called\n")); + + sock = server->interfaces[0].dgmsock; + + s = talloc(msg, struct getdc_state); + NT_STATUS_HAVE_NO_MEMORY(s); + + s->msg = msg; + s->req = req; + + handler = dgram_mailslot_temp(sock, NBT_MAILSLOT_GETDC, + getdc_recv_ntlogon_reply, s); + NT_STATUS_HAVE_NO_MEMORY(handler); + + ZERO_STRUCT(p); + p.command = NTLOGON_SAM_LOGON; + r = &p.req.logon; + r->request_count = 0; + r->computer_name = req->in.my_computername; + r->user_name = req->in.my_accountname; + r->mailslot_name = handler->mailslot_name; + r->acct_control = req->in.account_control; + r->sid = *req->in.domain_sid; + r->nt_version = 1; + r->lmnt_token = 0xffff; + r->lm20_token = 0xffff; + + make_nbt_name_client(&src, req->in.my_computername); + make_nbt_name(&dst, req->in.domainname, 0x1c); + + status = dgram_mailslot_ntlogon_send(sock, DGRAM_DIRECT_GROUP, + &dst, req->in.ip_address, 138, + &src, &p); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("dgram_mailslot_ntlogon_send failed: %s\n", + nt_errstr(status))); + return status; + } + + msg->defer_reply = True; + return NT_STATUS_OK; +} /* @@ -91,6 +201,15 @@ static void nbtd_task_init(struct task_server *task) return; } + /* Setup handler for getdcname call */ + status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_GETDCNAME, + nbtd_getdcname, nbtsrv); + if (!NT_STATUS_IS_OK(status)) { + task_server_terminate(task, "nbtd failed to setup getdcname " + "handler"); + return; + } + /* start the process of registering our names on all interfaces */ nbtd_register_names(nbtsrv); |