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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2017 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/nt_file.h>
#include <ntapi/nt_string.h>
#include <ntapi/nt_atomic.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
typedef struct __attr_ptr_size_aligned__ _nt_tty_pipe_name {
wchar16_t pipe_dir[8];
wchar16_t back_slash;
wchar16_t key_1st[8];
wchar16_t uscore_1st;
wchar16_t key_2nd[8];
wchar16_t uscore_2nd;
wchar16_t key_3rd[8];
wchar16_t uscore_3rd;
wchar16_t key_4th[8];
wchar16_t uscore_4th;
wchar16_t key_5th[8];
wchar16_t uscore_5th;
wchar16_t key_6th[8];
wchar16_t null_termination;
void * pad;
} nt_tty_pipe_name;
int32_t __stdcall __ntapi_ipc_create_pipe_v1(
__out void ** hpipe_read,
__out void ** hpipe_write,
__in uint32_t advisory_buffer_size)
{
int32_t status;
void * hread;
void * hwrite;
nt_object_attributes oa;
nt_io_status_block iosb;
nt_unicode_string nt_name;
nt_security_quality_of_service sqos;
nt_large_integer timeout;
intptr_t * counter;
nt_tty_pipe_name pipe_name = {
{'\\','?','?','\\','p','i','p','e'},
'\\',
{0},'_',
{0},'_',
{0},'_',
{0},'_',
{0},'_',
{0},
0,0
};
(void)advisory_buffer_size;
/* pipe_count */
counter = (intptr_t *)&__ntapi_internals()->v1_pipe_counter;
at_locked_inc(counter);
/* get system time */
status = __ntapi->zw_query_system_time(&timeout);
if (status != NT_STATUS_SUCCESS)
return status;
/* pipe name (no anonymous pipe prior to vista) */
__ntapi->tt_uint32_to_hex_utf16( pe_get_current_process_id(),pipe_name.key_1st);
__ntapi->tt_uint32_to_hex_utf16( pe_get_current_thread_id(),pipe_name.key_2nd);
__ntapi->tt_uint32_to_hex_utf16( timeout.ihigh + (uint32_t)*counter,pipe_name.key_3rd);
__ntapi->tt_uint32_to_hex_utf16(timeout.ulow + (uint32_t)*counter,pipe_name.key_4th);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_5th);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_6th);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_1st);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_2nd);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_3rd);
__ntapi->tt_uint32_to_hex_utf16(
__ntapi->tt_buffer_crc32(0,(char *)&pipe_name,sizeof(pipe_name)),
pipe_name.key_4th);
/* nt_name */
nt_name.strlen = (uint16_t)(sizeof(pipe_name) - sizeof(wchar16_t));
nt_name.maxlen = (uint16_t)(sizeof(pipe_name));
nt_name.buffer = (uint16_t *)&pipe_name;
/* init security structure */
sqos.length = sizeof(sqos);
sqos.impersonation_level = NT_SECURITY_ANONYMOUS;
sqos.context_tracking_mode = NT_SECURITY_TRACKING_STATIC;
sqos.effective_only = 1;
/* oa */
oa.len = sizeof(oa);
oa.root_dir = (void *)0;
oa.obj_name = &nt_name;
oa.obj_attr = 0x0;
oa.sec_desc = (nt_security_descriptor *)0;
oa.sec_qos = &sqos;
timeout.ihigh = 0xffffffff;
timeout.ulow = 0x0;
/* the reading end */
status = __ntapi->zw_create_named_pipe_file(
&hread,
NT_GENERIC_READ | NT_SEC_SYNCHRONIZE | NT_FILE_WRITE_ATTRIBUTES,
&oa,
&iosb,
NT_FILE_SHARE_READ | NT_FILE_SHARE_WRITE,
NT_FILE_CREATE,
NT_FILE_ASYNCHRONOUS_IO,
NT_FILE_PIPE_BYTE_STREAM_TYPE,
NT_FILE_PIPE_BYTE_STREAM_MODE,
NT_FILE_PIPE_QUEUE_OPERATION,
1,
advisory_buffer_size,
advisory_buffer_size,
&timeout);
if (status != NT_STATUS_SUCCESS) {
return status;
}
/* the writing end(s) */
status = __ntapi->zw_open_file(
&hwrite,
NT_GENERIC_WRITE | NT_SEC_SYNCHRONIZE | NT_FILE_READ_ATTRIBUTES,
&oa,
&iosb,
NT_FILE_SHARE_READ | NT_FILE_SHARE_WRITE,
NT_FILE_WRITE_THROUGH | NT_FILE_SYNCHRONOUS_IO_ALERT | NT_FILE_NON_DIRECTORY_FILE);
if (status != NT_STATUS_SUCCESS) {
__ntapi->zw_close(hread);
return status;
}
*hpipe_read = hread;
*hpipe_write = hwrite;
return status;
}
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