Method section_of_rva

src/load.cpp:183–212

Get the section of some rva.

// Get the section of some rva.
BOOL cobf::section_of_rva(DWORD rva, PIMAGE_SECTION_HEADER& sec)
{
    // Get the sections.
    PIMAGE_DOS_HEADER dos_hdr = (PIMAGE_DOS_HEADER)this->pe_rawf.data();
    PIMAGE_NT_HEADERS nt_hdrs = (PIMAGE_NT_HEADERS)&this->pe_rawf[dos_hdr->e_lfanew];
    PIMAGE_SECTION_HEADER c_sec = (PIMAGE_SECTION_HEADER)&this->pe_rawf[dos_hdr->e_lfanew +
        sizeof(nt_hdrs->Signature) + sizeof(nt_hdrs->FileHeader) +
        nt_hdrs->FileHeader.SizeOfOptionalHeader];

    // Loop on the sections.
    WORD n_secs = nt_hdrs->FileHeader.NumberOfSections;
    while (n_secs--)
    {
        // Check if not contained.
        if (rva < (size_t)c_sec->VirtualAddress || rva >= (size_t)c_sec->VirtualAddress +
            c_sec->Misc.VirtualSize)
        {
            // Move to the next one.
            c_sec++;
            continue;
        };

        // Found.
        sec = c_sec;
        return TRUE;
    };

    // Not found.
    return FALSE;
};

// Verify and get the dos header.
BOOL cobf::get_dos_header(PIMAGE_DOS_HEADER& dos_hdr)