Fix example compilation on Windows.

Fixes #75.

examples/CMakeLists.txt

@@ -3,7 +3,10 @@ FIND_PACKAGE(Threads QUIET)
 
 IF(libtins_FOUND)
     SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/examples)
-    INCLUDE_DIRECTORIES(${LIBTINS_INCLUDE_DIRS})
+    INCLUDE_DIRECTORIES(
+        ${LIBTINS_INCLUDE_DIRS}
+        ${PCAP_INCLUDE_DIR}
+    )
     LINK_LIBRARIES(${LIBTINS_LIBRARIES})
 
     IF(HAVE_CXX11)
@@ -32,7 +35,6 @@ IF(libtins_FOUND)
         ADD_EXECUTABLE(arpmonitor EXCLUDE_FROM_ALL arpmonitor.cpp)
         ADD_EXECUTABLE(dns_queries EXCLUDE_FROM_ALL dns_queries.cpp)
         ADD_EXECUTABLE(dns_spoof EXCLUDE_FROM_ALL dns_spoof.cpp)
-        ADD_EXECUTABLE(dns_stats EXCLUDE_FROM_ALL dns_stats.cpp)
         ADD_EXECUTABLE(wps_detect EXCLUDE_FROM_ALL wps_detect.cpp)
     ENDIF(HAVE_CXX11)
 
@@ -41,14 +43,19 @@ IF(libtins_FOUND)
     if(THREADS_FOUND)
         IF(HAVE_CXX11)
             ADD_EXECUTABLE(traceroute EXCLUDE_FROM_ALL traceroute.cpp)
+            ADD_EXECUTABLE(dns_stats EXCLUDE_FROM_ALL dns_stats.cpp)
             TARGET_LINK_LIBRARIES(traceroute ${CMAKE_THREAD_LIBS_INIT})
+            TARGET_LINK_LIBRARIES(dns_stats ${CMAKE_THREAD_LIBS_INIT})
         ENDIF(HAVE_CXX11)
-
-        ADD_EXECUTABLE(portscan EXCLUDE_FROM_ALL portscan.cpp)
-        TARGET_LINK_LIBRARIES(portscan ${CMAKE_THREAD_LIBS_INIT})
-    ELSE(THREADS_FOUND)
+        IF(WIN32)
+            MESSAGE(WARNING "Disabling portscan example since it doesn't compile on Windows.")
+        ELSE()
+            ADD_EXECUTABLE(portscan EXCLUDE_FROM_ALL portscan.cpp)
+            TARGET_LINK_LIBRARIES(portscan ${CMAKE_THREAD_LIBS_INIT})
+        ENDIF()
+    ELSE()
         MESSAGE(WARNING "Disabling portscan and traceroute examples since pthreads library was not found.")
-    ENDIF(THREADS_FOUND)
+    ENDIF()
 ELSE(libtins_FOUND)
     MESSAGE(
         WARNING 

examples/arpspoofing.cpp

@@ -32,7 +32,12 @@
 #include <string>
 #include <stdexcept>
 #include <cstdlib>
-#include <unistd.h>
+#ifdef _WIN32
+    #define WIN32_LEAN_AND_MEAN
+    #include <windows.h>
+#else
+    #include <unistd.h>
+#endif // _WIN32
 #include <tins/arp.h>
 #include <tins/network_interface.h>
 #include <tins/utils.h>
@@ -78,7 +83,11 @@ void do_arp_spoofing(NetworkInterface iface, IPv4Address gw, IPv4Address victim,
         // Just send them once every 5 seconds.
         sender.send(to_gw, iface);
         sender.send(to_victim, iface);
-        sleep(5);
+        #ifdef _WIN32
+            Sleep(5);
+        #else
+            sleep(5);
+        #endif
     }
 }
 

examples/dns_stats.cpp

@@ -96,8 +96,8 @@ public:
     }
 private:
     using packet_info = std::tuple<IPv4Address, IPv4Address, uint16_t>;
-    using clock_type = std::chrono::steady_clock;
-    using time_point_type = std::chrono::time_point<clock_type>;
+    using clock_type = std::chrono::system_clock;
+    using time_point_type = clock_type::time_point;
 
     bool callback(const PDU& pdu);
     static packet_info make_packet_info(const PDU& pdu, const DNS& dns);
@@ -161,15 +161,20 @@ auto dns_monitor::make_packet_info(const PDU& pdu, const DNS& dns) -> packet_inf
 }
 
 int main(int argc, char *argv[]) {
-    if(argc != 2) {
-        std::cout << "Usage: " << *argv << " <interface>\n";
-        return 1;
+    std::string iface;
+    if (argc == 2) {
+        // Use the provided interface
+        iface = argv[1];
+    }
+    else {
+        // Use the default interface
+        iface = NetworkInterface::default_interface().name();
     }
     try {
         SnifferConfiguration config;
         config.set_promisc_mode(true);
-        config.set_filter("udp and dst port 53");
-        Sniffer sniffer(argv[1], config);
+        config.set_filter("udp and port 53");
+        Sniffer sniffer(iface, config);
         dns_monitor monitor;
         std::thread thread(
             [&]() {

examples/traceroute.cpp

@@ -46,10 +46,9 @@ public:
       : iface(interface), addr(address) { }
     
     result_type trace() {
-        // ICMPs that aren't sent from us.
         SnifferConfiguration config;
-        config.set_snap_len(500);
         config.set_promisc_mode(false);
+        // ICMPs that aren't sent from us.
         config.set_filter(
             "ip proto \\icmp and not src host " + iface.addresses().ip_addr.to_string());
         Sniffer sniffer(iface.name(), config);
@@ -65,10 +64,9 @@ public:
         running = true;
         // Start the sniff thread
         std::thread sniff_thread(
-            &Sniffer::sniff_loop<decltype(handler)>, 
-            &sniffer, 
-            handler,
-            0
+            [&]() {
+                sniffer.sniff_loop(handler);
+            }
         );
         send_packets(sender);
         sniff_thread.join();