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/*********************************************************/
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/* toksvc: a framework-native token broker service */
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/* Copyright (C) 2020 SysDeer Technologies, LLC */
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/* Released under GPLv2 and GPLv3; see COPYING.TOKSVC. */
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/*********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/ntapi.h>
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#include <toksvc/toksvc.h>
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#include "toksvc_daemon_impl.h"
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#include "toksvc_driver_impl.h"
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#include <psxabi/sys_daemon.h>
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static const nt_guid g_pidany = NT_PROCESS_GUID_PIDANY;
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static const wchar16_t p_pidany[6] = NT_PROCESS_OBJDIR_PREFIX_PIDANY;
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static int32_t toks_daemon_pid_connect(
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struct toks_daemon_ctx * dctx,
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void ** hipc)
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{
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int32_t status;
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void * hpidany;
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void * hpiddir;
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nt_oa ipcoa;
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nt_unicode_string pidname;
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wchar16_t pidnamebuf[8];
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/* hpiddir */
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if (!(hpiddir = toks_get_driver_hpiddir(dctx->driver_ctx))) {
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if ((status = ntapi->tt_open_ipc_object_directory(
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&hpiddir,
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NT_SEC_READ_CONTROL
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| NT_DIRECTORY_QUERY
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| NT_DIRECTORY_TRAVERSE
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| NT_DIRECTORY_CREATE_OBJECT
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| NT_DIRECTORY_CREATE_SUBDIRECTORY,
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p_pidany,&g_pidany)))
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return status;
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toks_set_driver_hpiddir(dctx->driver_ctx,hpiddir);
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}
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/* pid entry name */
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ntapi->tt_uint32_to_hex_utf16(
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dctx->reqtokpid,pidnamebuf);
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pidname.strlen = sizeof(pidnamebuf);
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pidname.maxlen = sizeof(pidnamebuf);;
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pidname.buffer = pidnamebuf;
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/* open symlink */
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ipcoa.len = sizeof(ipcoa);
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ipcoa.root_dir = hpiddir;
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ipcoa.obj_name = &pidname;
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ipcoa.obj_attr = 0;
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ipcoa.sec_desc = 0;
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ipcoa.sec_qos = 0;
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if ((status = ntapi->zw_open_symbolic_link_object(
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&hpidany,
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NT_SEC_STANDARD_RIGHTS_READ | NT_GENERIC_READ,
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&ipcoa)))
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return status;
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status = ntapi->ipc_connect_by_symlink(
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hipc,hpidany,false);
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ntapi->zw_close(hpidany);
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return status;
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}
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int32_t toks_daemon_pidopen(struct toks_daemon_ctx * dctx)
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{
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int32_t status;
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nt_tty_session_msg msg;
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void * hipc;
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if ((status = toks_daemon_pid_connect(dctx,&hipc)))
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return status;
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ntapi->tt_aligned_block_memset(
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&msg,0,sizeof(msg));
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msg.header.msg_type = NT_LPC_NEW_MESSAGE;
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msg.header.data_size = sizeof(msg.data);
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msg.header.msg_size = sizeof(msg);
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msg.data.ttyinfo.opcode = PSX_DAEMON_IOCTL_PIDQUERY;
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if ((status = ntapi->zw_request_wait_reply_port(hipc,&msg,&msg)))
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return status;
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else if (msg.data.ttyinfo.status)
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return msg.data.ttyinfo.status;
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dctx->reqsyspid = msg.data.sessioninfo.syspid;
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return NT_STATUS_SUCCESS;
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}
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