fixed signal quality output

diff --git a/main.c b/main.c
index dee4596..e3cb85c 100644 (file)
--- a/main.c
+++ b/main.c
@@ -7,8 +7,6 @@
 
 #include "main.h"
 
-// void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *package);
-
 /* functions */
 
 int display_console(t_info *info,char *string) {
@@ -38,6 +36,7 @@ int display_console(t_info *info,char *string) {
     display_string(display,GUI_OFFSET_CTRL,1,"| ctrl",6);
     display_string(display,GUI_OFFSET_DATA,1,"| data",6);
     display_string(display,GUI_OFFSET_ACTIVE,1,"| act",5);
+    display_string(display,GUI_OFFSET_SIGNAL,1,"| sq",4);
     display_line(display,0,2,x,2,'-');
 
     list_reset(&(info->sniffed_sta));
@@ -67,6 +66,8 @@ int display_console(t_info *info,char *string) {
       display_string(display,GUI_OFFSET_MGMT,3+i,help,20);
       snprintf(help,5,"|  %c",sta->active);
       display_string(display,GUI_OFFSET_ACTIVE,3+i,help,4);
+      snprintf(help,5,"| %02u",sta->sq);
+      display_string(display,GUI_OFFSET_SIGNAL,3+i,help,4);
       list_next(&(info->sniffed_sta));
     }
   }
@@ -193,7 +194,7 @@ int react_on_event(t_event *event,void *ptr) {
 int usage(void) {
   puts("usage: hdw-sniff <options>");
   puts("\toptions:");
-  puts("\t\t-m <mode> \tmonitor and/or wlanng");
+  puts("\t\t-m <mode> \tieee80211 or prism");
   puts("\t\t-d <device> \twlan0,eth0");
   puts("\t\t-l <logfile>");
   puts("\t\t-k <key> \t(string)");
@@ -244,13 +245,13 @@ int main(int argc, char **argv) {
     case 'h':
      usage();
     case 'm':
-     if(!strncmp(argv[i+1],"monitor",7)) {
-      info.mode|=MODE_MONITOR;
-      puts("will go to monitor mode.");
+     if(!strncmp(argv[i+1],"ieee80211",9)) {
+      info.mode|=MODE_IEEE80211;
+      puts("expecting ieee802.11 header in package");
      }
-     else if(!strncmp(argv[i+1],"wlanng",6)) {
-      info.mode|=MODE_WLANNG;
-      puts("expecting wlanng header in package.");
+     else if(!strncmp(argv[i+1],"prism",5)) {
+      info.mode|=MODE_PRISM;
+      puts("expecting prism header in package.");
      }
      else {
       printf("unknown mode: %s\n",argv[1]);
@@ -287,11 +288,14 @@ int main(int argc, char **argv) {
  }
 
  /* setting up device */
- if(info.mode&MODE_MONITOR) {
-  sprintf(sys_call,"iwconfig %s mode monitor",info.device);
-  puts("set monitoring mode ...");
-  system(sys_call);
- }
+ if(info.mode&MODE_IEEE80211)
+  sprintf(sys_call,"iwpriv %s monitor 2",info.device);
+ else if(info.mode&MODE_PRISM)
+  sprintf(sys_call,"iwpriv %s monitor 3",info.device);
+
+ puts("set monitoring mode ...");
+ system(sys_call);
+ 
  sprintf(sys_call,"ifconfig %s up",info.device);
  puts("setting up device ...");
  system(sys_call);

diff --git a/main.h b/main.h
index 9f4a350..d89d90e 100644 (file)
--- a/main.h
+++ b/main.h
@@ -39,9 +39,6 @@
 #define MAX_DEV_CHARS 6
 #define MAX_SYSCALL_CHARS 128
 
-#define HDW_SNIFF_MAX_WIDTH 80
-#define HDW_SNIFF_MAX_HEIGHT 8
-
 #define HOP_SEC 0
 #define HOP_USEC 200000
 
@@ -53,10 +50,14 @@
 #define GUI_OFFSET_CTRL 57
 #define GUI_OFFSET_DATA 64
 #define GUI_OFFSET_ACTIVE 71
+#define GUI_OFFSET_SIGNAL 77
+
+#define HDW_SNIFF_MAX_WIDTH (GUI_OFFSET_SIGNAL+5)
+#define HDW_SNIFF_MAX_HEIGHT 8
 
 /* modes */
-#define MODE_MONITOR (1<<0)
-#define MODE_WLANNG (1<<1)
+#define MODE_IEEE80211 (1<<0)
+#define MODE_PRISM (1<<1)
 #define MODE_QUIT (1<<2)
 #define MODE_HEXOUT (1<<3)
 #define MODE_ASCIIOUT (1<<4)
@@ -78,7 +79,7 @@ typedef struct s_info {
   int count_m;
   int count_c;
   int count_d;
-  unsigned char mode; /* monitoring/managed mode */
+  unsigned char mode; /* ieee802.11/prism mode */
   char device[MAX_DEV_CHARS]; /* sniffed devie */
   int log_fd; /* file descriptor for logfile */
   int pcap_fd; /* fd for reading pcap events */

diff --git a/parse.c b/parse.c
index 151c9f5..3dc4301 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -13,6 +13,18 @@
  * different protocols should get to seperated files though ...
  */
 
+unsigned int int_s(unsigned int val) {
+
+  unsigned int swapped;
+
+  swapped=(val&0x000000ff)<<24;
+  swapped|=(val&0x0000ff00)<<8;
+  swapped|=(val&0x00ff0000)>>8;
+  swapped|=(val&0xff000000)>>24;
+
+  return swapped;
+}
+
 int switch_active_state(char *state) {
 
   switch(*state) {
@@ -33,17 +45,19 @@ int switch_active_state(char *state) {
   return 23;
 }
 
-void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *package) {
+void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *pkg) {
 
   t_info *info;
   int i;
   t_sta new_sta;
   t_sta *sta;
+  unsigned char *package=NULL;
   //t_frame4_hdr *f4hdr;
   t_frame3_hdr *f3hdr;
   //t_frame2_hdr *f2hdr;
   //t_frame1_hdr *f1hdr;
   t_beacon_fb *beacon_fb;
+  t_prism_hdr *prismhdr=NULL;
   int ret;
   char string[MESSAGE_MAX];
   char sc[MAX_SYSCALL_CHARS];
@@ -68,6 +82,14 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons
   /* maybe there is offset to the actual ieee802.11 frame,
      for example prism header ...
      in that case, hack the source! */
+  if(info->mode&MODE_IEEE80211) {
+    package=(unsigned char *)pkg;
+    prismhdr=NULL;
+  }
+  else if(info->mode&MODE_PRISM) {
+    package=(unsigned char *)pkg+sizeof(t_prism_hdr);
+    prismhdr=(t_prism_hdr *)pkg;
+  }
 
   /* management */
   if(FCTL_TYPE(package[0])==FCTL_TYPE_MGMT) {
@@ -93,6 +115,9 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons
       if(CAP_INFO_PRIVACY(beacon_fb->cap_info)) sta->wep=WEP;
       sta->count_mgmt++;
       switch_active_state(&(sta->active));
+      if(info->mode&MODE_IEEE80211) sta->sq=0;
+      else if(info->mode&MODE_PRISM)
+        sta->sq=(prismhdr->signal.data)-(prismhdr->noise.data);
       strncpy(string,"last: beacon, source: ",MESSAGE_MAX);
       for(i=0;i<ADDR_LEN;i++)
         snprintf(&string[22+3*i],4,"%02x%c",sta->addr[i],

diff --git a/parse.h b/parse.h
index 3d1d290..384e65c 100644 (file)
--- a/parse.h
+++ b/parse.h
@@ -47,6 +47,29 @@ typedef struct s_frame1_hdr {
   u16 seq_ctrl;
 } __attribute__ ((packed)) t_frame1_hdr;
 
+typedef struct s_prism_val {
+  u32 did;
+  u16 status;
+  u16 len;
+  u32 data;
+} __attribute__ ((packed)) t_prism_val;
+
+typedef struct s_prism_hdr {
+  u32 msg_code;
+  u32 msg_len;
+  char device[16];
+  t_prism_val hosttime;
+  t_prism_val mactime;
+  t_prism_val channel;
+  t_prism_val rssi;
+  t_prism_val sq;
+  t_prism_val signal;
+  t_prism_val noise;
+  t_prism_val rate;
+  t_prism_val istx;
+  t_prism_val frame_len;
+} __attribute__ ((packed)) t_prism_hdr;
+
 #define FCTL_VER(X) ((X&0x0003))
 #define FCTL_TYPE(X) ((X&0x000c)>>2)
 #define FCTL_STYPE(X) ((X&0x00f0)>>4)
@@ -124,6 +147,7 @@ typedef struct s_sta {
   int count_data;
   char active;
   char key[WEP_MAX_DIGITS];
+  int sq;
 } t_sta;
   
 /* function prototypes */