/*********************************************************/
/* toksvc: a framework-native token broker service */
/* Copyright (C) 2020 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.TOKSVC. */
/*********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/ntapi.h>
#include <toksvc/toksvc.h>
#include "toksvc_driver_impl.h"
#include "toksvc_daemon_impl.h"
static int32_t toks_client_cancel(void * hport)
{
int32_t status;
struct _nt_tty_ipc_msg msg;
ntapi->tt_aligned_block_memset(
&msg,0,sizeof(msg));
msg.header.msg_type = NT_LPC_NEW_MESSAGE;
msg.header.data_size = sizeof(msg.data);
msg.header.msg_size = sizeof(msg);
msg.data.ttyinfo.opcode = TOKS_DAEMON_CANCEL;
if ((status = ntapi->zw_request_wait_reply_port(hport,&msg,&msg)))
return status;
return msg.data.ttyinfo.status;
}
int32_t toks_client_acquire(struct toks_driver_ctx * dctx)
{
int32_t status;
void * hport;
struct _nt_tty_ipc_msg msg;
struct _nt_port_keys * keys;
int64_t millisecs;
nt_timeout timeout;
hport = toks_get_driver_hservice(dctx);
keys = toks_get_driver_keys(dctx);
ntapi->tt_aligned_block_memset(
&msg,0,sizeof(msg));
msg.header.msg_type = NT_LPC_NEW_MESSAGE;
msg.header.data_size = sizeof(msg.data);
msg.header.msg_size = sizeof(msg);
msg.data.ttyinfo.opcode = TOKS_DAEMON_ACQUIRE;
msg.data.ipcinfo.ctrlsvc.keys.reserved = toks_get_driver_tokpid(dctx);
msg.data.ipcinfo.hevent = toks_get_driver_hevent(dctx);
if (!(millisecs = toks_get_driver_timeout(dctx))) {
msg.data.ipcinfo.hevent = 0;
} else if (millisecs == (-1)) {
timeout.ulow = ~(0u);
timeout.ihigh = ~(0x80000000);
} else {
timeout.quad = (-1) * 10 * 1000 * millisecs;
}
if ((status = ntapi->zw_request_wait_reply_port(hport,&msg,&msg)))
return status;
switch (msg.data.ttyinfo.status) {
case NT_STATUS_SUCCESS:
break;
case NT_STATUS_PENDING:
status = ntapi->zw_wait_for_single_object(
msg.data.ipcinfo.hevent,
NT_SYNC_NON_ALERTABLE,
&timeout);
if (status != NT_STATUS_SUCCESS) {
switch (toks_client_cancel(hport)) {
case NT_STATUS_NOT_FOUND:
break;
default:
return status;
}
}
break;
default:
return msg.data.ttyinfo.status;
}
keys->key[0] = msg.data.ipcinfo.ipckeys[0];
keys->key[1] = msg.data.ipcinfo.ipckeys[1];
keys->key[2] = msg.data.ipcinfo.ipckeys[2];
keys->key[3] = msg.data.ipcinfo.ipckeys[3];
keys->key[4] = msg.data.ipcinfo.ipckeys[4];
keys->key[5] = msg.data.ipcinfo.ipckeys[5];
return NT_STATUS_SUCCESS;
}