- add Pcap++ Windows build

2023-06-23 16:30:48 +03:00
parent 9fae569a23
commit 3c84cbb96b
115 changed files with 31597 additions and 1 deletions
--- a/pcappp/include/pcapplusplus/PcapDevice.h
+++ b/pcappp/include/pcapplusplus/PcapDevice.h
@@ -0,0 +1,100 @@
+#ifndef PCAPPP_PCAP_DEVICE
+#define PCAPPP_PCAP_DEVICE
+
+#include "Device.h"
+
+// forward declaration for the pcap descriptor defined in pcap.h
+struct pcap;
+typedef pcap pcap_t;
+struct pcap_pkthdr;
+
+/// @file
+
+/**
+* \namespace pcpp
+* \brief The main namespace for the PcapPlusPlus lib
+*/
+namespace pcpp
+{
+	//Forward Declaration - required for IPcapDevice::matchPacketWithFilter
+	class GeneralFilter;
+
+	/**
+	 * @class IPcapDevice
+	 * An abstract class representing all libpcap-based packet capturing devices: files, libPcap, WinPcap/Npcap and RemoteCapture.
+	 * This class is abstract and cannot be instantiated
+	 */
+	class IPcapDevice : public IDevice, public IFilterableDevice
+	{
+	protected:
+		pcap_t* m_PcapDescriptor;
+
+		// c'tor should not be public
+		IPcapDevice() : IDevice() { m_PcapDescriptor = NULL; }
+
+	public:
+
+		/**
+		 * @struct PcapStats
+		 * A container for pcap device statistics
+		 */
+		struct PcapStats
+		{
+			/** Number of packets received */
+			uint64_t packetsRecv;
+			/** Number of packets dropped */
+			uint64_t packetsDrop;
+			/** number of packets dropped by interface (not supported on all platforms) */
+			uint64_t packetsDropByInterface;
+		};
+
+
+		virtual ~IPcapDevice();
+
+		/**
+		 * Get statistics from the device
+		 * @param[out] stats An object containing the stats
+		 * @return No return value
+		 */
+		virtual void getStatistics(PcapStats& stats) const = 0;
+
+		/**
+		 * A static method for retrieving pcap lib (libpcap/WinPcap/etc.) version information. This method is actually
+		 * a wrapper for [pcap_lib_version()](https://www.tcpdump.org/manpages/pcap_lib_version.3pcap.html)
+		 * @return A string containing the pcap lib version information
+		 */
+		static std::string getPcapLibVersionInfo();
+
+		/**
+		* Match a raw packet with a given BPF filter. Notice this method is static which means you don't need any device instance
+		* in order to perform this match
+		* @param[in] filter A filter class to test against
+		* @param[in] rawPacket A pointer to the raw packet to match the filter with
+		* @return True if raw packet matches the filter or false otherwise
+		*/
+		static bool matchPacketWithFilter(GeneralFilter& filter, RawPacket* rawPacket);
+
+
+		// implement abstract methods
+
+		using IFilterableDevice::setFilter;
+
+		/**
+		 * Set a filter for the device. When implemented by the device, only packets that match the filter will be received.
+		 * Please note that when the device is closed the filter is reset so when reopening the device you need to call this
+		 * method again in order to reactivate the filter
+		 * @param[in] filterAsString The filter to be set in Berkeley Packet Filter (BPF) syntax (http://biot.com/capstats/bpf.html)
+		 * @return True if filter set successfully, false otherwise
+		 */
+		virtual bool setFilter(std::string filterAsString);
+
+		/**
+		 * Clear the filter currently set on device
+		 * @return True if filter was removed successfully or if no filter was set, false otherwise
+		 */
+		bool clearFilter();
+	};
+
+} // namespace pcpp
+
+#endif // PCAPPP_PCAP_DEVICE