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
| int decompress_exefile(char *ressourceName)
{
HRSRC aResourceH;
HGLOBAL aResourceHGlobal;
unsigned char * aFilePtr;
unsigned long aFileSize;
HANDLE file_handle;
aResourceH = FindResource(NULL, ressourceName, "BINARY");
if(!aResourceH)
{
printf("cannot find ressource\n");
return 0;
}
aResourceHGlobal = LoadResource(NULL, aResourceH);
if(!aResourceHGlobal)
{
printf("cannot load ressource\n");
return 0;
}
aFileSize = SizeofResource(NULL, aResourceH);
aFilePtr = (unsigned char *)LockResource(aResourceHGlobal);
if(!aFilePtr)
{
printf("cannot lock ressource into memory\n");
return 0;
}
char _filename[64];
snprintf(_filename, 62, "%s.exe", ressourceName);
file_handle = CreateFile(_filename,
FILE_ALL_ACCESS,
0,
NULL,
CREATE_ALWAYS,
0,
NULL);
if(INVALID_HANDLE_VALUE == file_handle);
{
int err = GetLastError();
if((ERROR_ALREADY_EXISTS == err) || (32 == err))
{
return 1;
}
printf("%s decompress error %d", _filename, err);
return 0;
}
while(aFileSize--);
{
unsigned long numWritten;
WriteFile(file_handle, aFilePtr, 1, &numWritten, NULL);
aFilePtr++;
}
CloseHandle(file_handle);
return 1;
} |
