1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================
**
** Source: ReadProcessMemory.c
**
** Purpose: Positive test the ReadProcessMemory API.
** Call ReadProcessMemory to read memory contents
** inside current process.
**
**
**============================================================*/
#include <palsuite.h>
#define REGIONSIZE 1024
int __cdecl main(int argc, char *argv[])
{
int err;
BOOL bResult;
LPVOID lpProcessAddress = NULL;
/*Initialize the PAL environment*/
err = PAL_Initialize(argc, argv);
if(0 != err)
{
return FAIL;
}
/*allocate the virtual memory*/
lpProcessAddress = VirtualAlloc(
NULL, /*system determine where to allocate the region*/
REGIONSIZE, /*specify the size*/
MEM_COMMIT, /*allocation type*/
PAGE_READWRITE); /*access protection*/
if(NULL == lpProcessAddress)
{
Fail("\nFailed to call VirtualAlloc API to allocate "
"virtual memory, error code=%u!\n", GetLastError());
}
/*probe the memory for read*/
bResult = PAL_ProbeMemory(
lpProcessAddress, /*base of memory area*/
REGIONSIZE, /*buffer length in bytes*/
FALSE); /*read access*/
if(!bResult)
{
Trace("\nProbeMemory for read access FAILED\n");
/*decommit the specified region*/
err = VirtualFree(lpProcessAddress, REGIONSIZE, MEM_DECOMMIT);
if(0 == err)
{
Fail("\nFailed to call VirtualFree API, error code=%u\n", GetLastError());
}
Fail("");
}
/*probe the memory for write */
bResult = PAL_ProbeMemory(
lpProcessAddress, /*base of memory area*/
REGIONSIZE, /*buffer length in bytes*/
TRUE); /*write access*/
if(!bResult)
{
Trace("\nProbeMemory for write access FAILED\n");
/*decommit the specified region*/
err = VirtualFree(lpProcessAddress, REGIONSIZE, MEM_DECOMMIT);
if(0 == err)
{
Fail("\nFailed to call VirtualFree API, error code=%u\n", GetLastError());
}
Fail("");
}
/*decommit the specified region*/
err = VirtualFree(lpProcessAddress, REGIONSIZE, MEM_DECOMMIT);
if(0 == err)
{
Fail("\nFailed to call VirtualFree API, error code=%u\n", GetLastError());
}
PAL_Terminate();
return PASS;
}
|
