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(-)a/src/internet/model/ipv4-raw-socket-impl.cc (-2 / +2 lines)
 Lines 29-35    Link Here 
29 
                   MakeUintegerAccessor (&Ipv4RawSocketImpl::m_protocol),
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                   MakeUintegerAccessor (&Ipv4RawSocketImpl::m_protocol),
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                   MakeUintegerChecker<uint16_t> ())
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                   MakeUintegerChecker<uint16_t> ())
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    .AddAttribute ("IcmpFilter",
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    .AddAttribute ("IcmpFilter",
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                   "Any icmp header whose type field matches a bit in this filter is dropped.",
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                   "Any icmp header whose type field matches a bit in this filter is dropped. Type must be less than 32.",
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                   UintegerValue (0),
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                   UintegerValue (0),
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                   MakeUintegerAccessor (&Ipv4RawSocketImpl::m_icmpFilter),
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                   MakeUintegerAccessor (&Ipv4RawSocketImpl::m_icmpFilter),
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                   MakeUintegerChecker<uint32_t> ())
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                   MakeUintegerChecker<uint32_t> ())
 Lines 326-332    Link Here 
326 
          copy->PeekHeader (icmpHeader);
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          copy->PeekHeader (icmpHeader);
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          uint8_t type = icmpHeader.GetType ();
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          uint8_t type = icmpHeader.GetType ();
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          if (type < 32 &&
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          if (type < 32 &&
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              ((1 << type) & m_icmpFilter))
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              ((uint32_t(1) << type) & m_icmpFilter))
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            {
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            {
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              // filter out icmp packet.
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              // filter out icmp packet.
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              return false;
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              return false;

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