Packets/80211Bundle: fixed endian-bug in Radiotap offset calculation

[senf.git] / senf / Packets / 80211Bundle / RadiotapPacket.cc

diff --git a/senf/Packets/80211Bundle/RadiotapPacket.cc b/senf/Packets/80211Bundle/RadiotapPacket.cc
index 960c9b4..8f02f2c 100644 (file)
--- a/senf/Packets/80211Bundle/RadiotapPacket.cc
+++ b/senf/Packets/80211Bundle/RadiotapPacket.cc
@@ -95,7 +95,8 @@ prefix_ void senf::RadiotapPacketParser::buildOffsetTable(boost::uint32_t presen
     // radiotap.c nor we will ever dereference those pointers, we just calculate the offsets.
     // This works, as long as we don't support extension headers ...
     header.it_len = 0xFFFF;
-    header.it_present = presentFlags;
+    // Note that all data in the header is little endian!
+    header.it_present = htole32(presentFlags);
 
     parseOffsetTable((boost::uint8_t*)&header, header.it_len, table);
 }
@@ -312,7 +313,7 @@ prefix_ senf::PacketInterpreterBase::factory_t senf::RadiotapPacketType::nextPac
 }
 
 prefix_ senf::RadiotapPacketType::optional_range
-senf::RadiotapPacketType::nextPacketRange(packet p)
+senf::RadiotapPacketType::nextPacketRange(packet const & p)
 {
     parser rtParser (p.parser());
     size_type h (senf::bytes(rtParser));