X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FProtocols%2FRaw%2FPacketSocketHandle.cc;h=f24e0b1b71c50953826a33faf0c0d29903a0bc93;hb=5443435c4c2b6e4386c5334b5b8358273f2bae93;hp=224b469b3c33af8043790e1a5855ea8a7cf93a0b;hpb=034f9bec0a66d26314fb6ebc83dedf1618a2c19d;p=senf.git diff --git a/Socket/Protocols/Raw/PacketSocketHandle.cc b/Socket/Protocols/Raw/PacketSocketHandle.cc index 224b469..f24e0b1 100644 --- a/Socket/Protocols/Raw/PacketSocketHandle.cc +++ b/Socket/Protocols/Raw/PacketSocketHandle.cc @@ -76,6 +76,7 @@ namespace { void do_mc(int fd, std::string const & interface, senf::MACAddress address, bool add) { struct packet_mreq mreq; + ::memset(&mreq, 0, sizeof(mreq)); mreq.mr_ifindex = ::if_nametoindex(interface.c_str()); if (mreq.mr_ifindex == 0) throw senf::SystemException(EINVAL); @@ -83,25 +84,39 @@ namespace { mreq.mr_alen = 6; std::copy(address.begin(), address.end(), &mreq.mr_address[0]); if (::setsockopt(fd, SOL_PACKET, - add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP, - &mreq, sizeof(mreq)) < 0) + add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP, + &mreq, sizeof(mreq)) < 0) throw senf::SystemException(); } - } prefix_ void senf::PacketSocketProtocol::mcAdd(std::string const & interface, MACAddress const & address) const { - do_mc(fd(),interface,address,true); + do_mc(fd(), interface, address, true); } prefix_ void senf::PacketSocketProtocol::mcDrop(std::string const & interface, MACAddress const & address) const { - do_mc(fd(),interface,address,false); + do_mc(fd(), interface, address, false); +} + +prefix_ void senf::PacketSocketProtocol::promisc(std::string const & interface, bool mode) + const +{ + struct packet_mreq mreq; + ::memset(&mreq, 0, sizeof(mreq)); + mreq.mr_ifindex = ::if_nametoindex(interface.c_str()); + if (mreq.mr_ifindex == 0) + throw senf::SystemException(EINVAL); + mreq.mr_type = PACKET_MR_PROMISC; + if (::setsockopt(fd(), SOL_PACKET, + mode ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP, + &mreq, sizeof(mreq)) < 0) + throw senf::SystemException(); } ///////////////////////////////cc.e////////////////////////////////////////