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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_memory.h>
#include <ntapi/nt_process.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
typedef struct _nt_process_basic_information nt_pbi;
int32_t __stdcall __ntapi_tt_create_remote_runtime_data(
__in void * hprocess,
__in_out nt_runtime_data_block * rtblock)
{
int32_t status;
size_t bytes_written;
nt_pbi rpbi;
nt_process_parameters * rprocess_params;
nt_unicode_string rcmd_line;
uint32_t runtime_arg_hash;
nt_runtime_data * rtdata;
void * hserver;
#if (__SIZEOF_POINTER__ == 4)
wchar16_t runtime_arg[8] = {
'i','n','t','e','g','r','a','l'};
#elif (__SIZEOF_POINTER__ == 8)
wchar16_t runtime_arg[16] = {
'i','n','t','e','g','r','a','l',
'-','r','u','n','t','i','m','e'};
#endif
/* validation */
if (!hprocess)
return NT_STATUS_INVALID_PARAMETER_1;
else if (!rtblock)
return NT_STATUS_INVALID_PARAMETER_2;
else if (!rtblock->addr)
return NT_STATUS_INVALID_PARAMETER_2;
else if (!rtblock->size)
return NT_STATUS_INVALID_PARAMETER_2;
runtime_arg_hash = __ntapi->tt_buffer_crc32(
0,
(char *)runtime_arg,
sizeof(runtime_arg));
/* obtain process information */
if ((status = __ntapi->zw_query_information_process(
hprocess,
NT_PROCESS_BASIC_INFORMATION,
(void *)&rpbi,
sizeof(nt_process_basic_information),
0)))
return status;
if ((status = __ntapi->zw_read_virtual_memory(
hprocess,
pe_va_from_rva(
rpbi.peb_base_address,
(uintptr_t)&(((nt_peb *)0)->process_params)),
(char *)&rprocess_params,
sizeof(uintptr_t),
&bytes_written)))
return status;
if ((status = __ntapi->zw_read_virtual_memory(
hprocess,
&rprocess_params->command_line,
(char *)&rcmd_line,
sizeof(nt_unicode_string),
&bytes_written)))
return status;
if (rcmd_line.buffer == 0)
return NT_STATUS_BUFFER_TOO_SMALL;
if (rcmd_line.strlen < sizeof(runtime_arg) + 4*sizeof(wchar16_t))
return NT_STATUS_INVALID_USER_BUFFER;
if ((status = __ntapi->zw_read_virtual_memory(
hprocess,
pe_va_from_rva(
rcmd_line.buffer,
rcmd_line.strlen - sizeof(runtime_arg)),
(char *)&runtime_arg,
sizeof(runtime_arg),
&bytes_written)))
return status;
/* verify remote process compatibility */
runtime_arg_hash ^= __ntapi->tt_buffer_crc32(
0,(char *)runtime_arg,
sizeof(runtime_arg));
if (runtime_arg_hash)
return NT_STATUS_INVALID_SIGNATURE;
/* remote block */
rtblock->remote_size = rtblock->size;
if ((status = __ntapi->zw_allocate_virtual_memory(
hprocess,
&rtblock->remote_addr,
0,
&rtblock->remote_size,
NT_MEM_RESERVE | NT_MEM_COMMIT,
NT_PAGE_READWRITE)))
return status;
/* session handles */
rtdata = 0;
hserver = 0;
if (rtblock->flags & NT_RUNTIME_DATA_DUPLICATE_SESSION_HANDLES) {
rtdata = (nt_runtime_data *)rtblock->addr;
hserver = rtdata->hserver;
if ((status = __ntapi->zw_duplicate_object(
NT_CURRENT_PROCESS_HANDLE,
hserver,
hprocess,
&rtdata->hserver,
0,0,
NT_DUPLICATE_SAME_ATTRIBUTES
|NT_DUPLICATE_SAME_ACCESS)))
return status;
}
/* copy local block to remote process */
status = __ntapi->zw_write_virtual_memory(
hprocess,
rtblock->remote_addr,
(char *)rtblock->addr,
rtblock->size,
&bytes_written);
/* restore rtdata */
if (rtdata)
rtdata->hserver = hserver;
/* verify above remote write */
if (status)
return status;
/* runtime_arg */
__ntapi->tt_uintptr_to_hex_utf16(
(uintptr_t)rtblock->remote_addr,
runtime_arg);
/* update remote runtime arg */
status = __ntapi->zw_write_virtual_memory(
hprocess,
pe_va_from_rva(
rcmd_line.buffer,
rcmd_line.strlen - sizeof(runtime_arg)),
(char *)&runtime_arg,
sizeof(runtime_arg),
&bytes_written);
if (status)
__ntapi->zw_free_virtual_memory(
hprocess,
&rtblock->remote_addr,
&rtblock->remote_size,
NT_MEM_RELEASE);
return status;
}
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