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Rev 3809 Rev 3915
Line 37... Line 37...
37 
    if(val == 0)
 37 
    if(val == 0)
38 
        return 0;
 38 
        return 0;
39 
    return (val & (val - 1)) == 0;
 39 
    return (val & (val - 1)) == 0;
40 
}
 40 
}
Line 41... Line 41...
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 41 
 
42 
int validate_pe(void *raw, size_t raw_size, int is_exec)
 42 
int validate_pe(void *raw, size_t raw_size)
43 
{
 43 
{
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    PIMAGE_DOS_HEADER     dos;
 44 
    PIMAGE_DOS_HEADER     dos;
Line 45... Line 45...
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    PIMAGE_NT_HEADERS32   nt;
 45 
    PIMAGE_NT_HEADERS32   nt;
Line 61... Line 61...
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        return 0;
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        return 0;
Line 62... Line 62...
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 62 
 
63 
    if(nt->FileHeader.Machine != IMAGE_FILE_MACHINE_I386)
 63 
    if(nt->FileHeader.Machine != IMAGE_FILE_MACHINE_I386)
Line 64... Line -...
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        return 0;
 - 
 
65 
 
 - 
 
66 
    if(is_exec && (nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
 - 
 
67 
        return 0;
 64 
        return 0;
68 
 
 65 
 
Line 69... Line -...
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    if(nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
 - 
 
70 
        return 0;
 - 
 
71 
 
 - 
 
72 
    if( is_exec && nt->OptionalHeader.ImageBase != 0)
 66 
    if(nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
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        return 0;
 67 
        return 0;
74 
 
 68 
 
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    if(nt->OptionalHeader.SectionAlignment < 4096)
 69 
    if(nt->OptionalHeader.SectionAlignment < 4096)
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    {
 70 
    {
Line 212... Line 206...
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    if(raw_img == NULL)
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    if(raw_img == NULL)
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        return NULL;
 207 
        return NULL;
Line 214... Line 208...
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 208 
 
Line 215... Line 209...
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//    printf("libc.dll raw %p, size %d\n", raw_img, raw_size);
 209 
//    printf("libc.dll raw %p, size %d\n", raw_img, raw_size);
216 
 
 210 
 
217 
    if(validate_pe(raw_img, raw_size, 0) != 0)
 211 
    if(validate_pe(raw_img, raw_size) != 0)
218 
    {
 212 
    {
219 
//        printf("invalide libc.dll\n");
 213 
//        printf("invalide libc.dll\n");