1 files changed, 102 insertions, 0 deletions

diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.h b/noncore/net/wellenreiter/daemon/source/sniffer.h
new file mode 100644
index 0000000..b880b68
--- a/dev/null
+++ b/noncore/net/wellenreiter/daemon/source/sniffer.h
@@ -0,0 +1,102 @@
+// Wellenreiter-sniffer-code header file
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pcap.h>  
+#include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/bpf.h>
+#include "ieee802_11.h"
+#include "extract.h"
+
+#define   DEFAULT_PATH       "/proc/driver/aironet/%s/Config"
+        #define   CARD_TYPE_CISCO1
+        #define   CARD_TYPE_NG2
+        #define   CARD_TYPE_HOSTAP3
+
+#define   NONBROADCASTING "non-broadcasting"
+
+/* only for now, until we have the daemon running */
+/*the config file should provide these information */
+        #define   SNIFFER_DEVICE "wlan0"
+#define CARD_TYPE CARD_TYPE_CISCO
+        #define   SBIN_PATH"/sbin/ifconfig %s promisc up"
+#define WLANCTL_PATH   "/sbin/wlanctl-ng"
+
+/* holds all the interresting data */
+struct packetinfo
+{
+        int isvalid;
+        int pktlen;
+        int fctype;
+        int fcsubtype;
+        int fc_wep;
+        int cap_WEP;
+        int cap_IBSS;
+        int cap_ESS;
+        int channel;
+        char bssid[sizeof("00:00:00:00:00:00")];
+        char desthwaddr[sizeof("00:00:00:00:00:00")];
+        char sndhwaddr[sizeof("00:00:00:00:00:00")];
+                char *ssid;
+        int ssid_len;
+};
+
+
+/* Prototypes */
+int card_into_monitormode (char * device, int cardtype);
+
+int card_set_promisc_up (char * device);
+
+int start_sniffing (char * device);
+
+void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet);
+
+int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo);
+
+void etheraddr_string(register const u_char *ep,char * text);
+
+int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo);
+
+static int GetHeaderLength(u_int16_t fc);
+
+static const char *subtype_text[]={
+        "Assoc Request",
+        "Assoc Response",
+        "ReAssoc Request",
+        "ReAssoc Response",
+        "Probe Request",
+        "Probe Response",
+        "RESERVED",
+        "RESERVED",
+        "Beacon",
+        "ATIM",
+        "Disassociation",
+        "Authentication",
+        "DeAuthentication",
+        "RESERVED",
+        "RESERVED"
+};
+
+/*
+ * True if  "l" bytes of "var" were captured.
+ *
+ * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
+ * that "snapend - (l)" underflows.
+ *
+ * The check is for <= rather than < because "l" might be 0.
+ */
+#define TTEST2(var, l) (snapend - (l) <= snapend && \
+                        (const u_char *)&(var) <= snapend - (l))
+
+/* True if "var" was captured */
+#define TTEST(var) TTEST2(var, sizeof(var))
+
+/* Bail if "l" bytes of "var" were not captured */
+#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
+
+/* Bail if "var" was not captured */
+#define TCHECK(var) TCHECK2(var, sizeof(var))