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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013,2014,2015 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
static int32_t __fastcall __tty_create_session_return(
nt_create_process_params * params,
int32_t status)
{
if (status)
__ntapi->zw_terminate_process(
params->hprocess,
NT_STATUS_UNEXPECTED_IO_ERROR);
__ntapi->zw_close(params->hprocess);
__ntapi->zw_close(params->hthread);
return status;
}
int32_t __stdcall __ntapi_tty_create_session(
__out void ** hport,
__out nt_port_name * port_name,
__in nt_tty_session_type type,
__in const nt_guid * guid __optional,
__in wchar16_t * image_name __optional)
{
nt_status status;
ntapi_internals * __internals;
nt_port_attr port_attr;
nt_runtime_data ssattr;
nt_runtime_data_block rtblock;
nt_create_process_params params;
wchar16_t __attr_aligned__(8) __tty_image_name_fallback[] = {
'\\','?','?','\\',
'C',':',
'\\','m','i','d','i','p','i','x',
'\\','b','i','n',
'\\','n','t','c','t','t','y',
'.','e','x','e',
0};
/* init */
__internals = __ntapi_internals();
__ntapi->tt_aligned_block_memset(
&port_attr,0,sizeof(port_attr));
switch (type) {
case NT_TTY_SESSION_PRIMARY:
port_attr.type = NT_PORT_TYPE_SUBSYSTEM;
port_attr.subtype = NT_PORT_SUBTYPE_DEFAULT;
if (!hport)
hport = &__internals->hport_tty_session;
if (!port_name)
port_name = __internals->subsystem;
if (!image_name)
image_name = __tty_image_name_fallback;
break;
case NT_TTY_SESSION_PRIVATE:
port_attr.type = NT_PORT_TYPE_SUBSYSTEM;
port_attr.subtype = NT_PORT_SUBTYPE_PRIVATE;
break;
default:
return NT_STATUS_INVALID_PARAMETER;
}
/* port guid */
if (guid)
__ntapi->tt_guid_copy(
&port_attr.guid,
guid);
else
__ntapi->tt_port_guid_from_type(
&port_attr.guid,
port_attr.type,
port_attr.subtype);
/* port keys */
if ((status = __ntapi->tt_port_generate_keys(&port_attr.keys)))
return status;
/* port name */
__ntapi->tt_port_name_from_attributes(
port_name,
&port_attr);
/* subsystem attributes */
__ntapi->tt_aligned_block_memset(
&ssattr,0,sizeof(ssattr));
ssattr.srv_type = port_attr.type;
ssattr.srv_subtype = port_attr.subtype;
ssattr.srv_keys[0] = port_attr.keys.key[0];
ssattr.srv_keys[1] = port_attr.keys.key[1];
ssattr.srv_keys[2] = port_attr.keys.key[2];
ssattr.srv_keys[3] = port_attr.keys.key[3];
ssattr.srv_keys[4] = port_attr.keys.key[4];
ssattr.srv_keys[5] = port_attr.keys.key[5];
__ntapi->tt_guid_copy(
&ssattr.srv_guid,
&port_attr.guid);
if ((status = __ntapi->tt_create_private_event(
&ssattr.srv_ready,
NT_SYNCHRONIZATION_EVENT,
NT_EVENT_NOT_SIGNALED)))
return status;
/* create subsystem process */
rtblock.addr = &ssattr;
rtblock.size = sizeof(ssattr);
rtblock.remote_addr = 0;
rtblock.remote_size = 0;
rtblock.flags = NT_RUNTIME_DATA_DUPLICATE_SESSION_HANDLES;
__ntapi->tt_aligned_block_memset(
¶ms,0,sizeof(params));
params.image_name = image_name;
params.rtblock = &rtblock;
if ((status = __ntapi->tt_create_native_process(¶ms)))
return status;
if ((status = __ntapi->zw_wait_for_single_object(
ssattr.srv_ready,
NT_SYNC_NON_ALERTABLE,
0)))
return __tty_create_session_return(¶ms,status);
/* connect to subsystem */
if ((status = __ntapi->tty_connect(
hport,
&port_name->base_named_objects[0],
NT_SECURITY_IMPERSONATION)))
return __tty_create_session_return(¶ms,status);
/* finalize primary session */
if (type == NT_TTY_SESSION_PRIMARY) {
if (hport != &__internals->hport_tty_session)
__internals->hport_tty_session = *hport;
if (port_name != __internals->subsystem)
__ntapi->tt_memcpy_utf16(
__internals->subsystem->base_named_objects,
port_name->base_named_objects,
sizeof(*port_name));
};
return __tty_create_session_return(¶ms,NT_STATUS_SUCCESS);
}
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