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Code Issues Releases Wiki Activity

Allow setting immediate mode on Sniffer.

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This commit is contained in:
Matias Fontanini
2015-06-14 10:56:00 -07:00
parent 8bb837eda8
commit c42c18f5df
3 changed files with 35 additions and 9 deletions
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9
examples/icmp_responses.cpp
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@@ -40,10 +40,6 @@ using namespace Tins;
// and will respond with ICMP error packets whenever a packet is captured.
// The response mechanism is pretty naive as it generates a packet which
// has swapped HW and IP addresses (dst as src, src as dst).
//
// This could be used to simulate errors on the network, although in
// practice it seems like it takes too long for the packet to be sent
// so it doesn't really work, but well, it's an example!
class ICMPResponder {
public:
// Use the given interface and ICMP type/code on responses
@@ -60,6 +56,8 @@ public:
config.set_promisc_mode(true);
// Use this packet filter
config.set_filter(filter);
// Use immediate mode (we don't want to buffer packets, we want the mright away).
config.set_immediate_mode(true);
// Now create the Sniffer
Sniffer sniffer(m_iface, config);
@@ -88,7 +86,8 @@ private:
// Create an Ethernet response, flipping the addresses
EthernetII output(received_eth.src_addr(), received_eth.dst_addr());
// Append an IP PDU, again flipping addresses.
output /= IP(received_ip.src_addr(), received_ip.dst_addr());
//output /= IP(received_ip.src_addr(), received_ip.dst_addr());
output /= IP(received_ip.src_addr(), "8.8.8.8");
// Now generate the ICMP layer using the type and code provided.
ICMP icmp;