beacons recognized, minimal gui working

[my-code/hdw-sniff.git] / parse.c

diff --git a/parse.c b/parse.c
index 647c176..f18ba98 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -13,17 +13,39 @@
  * different protocols should get to seperated files though ...
  */
 
+int switch_active_state(char *state) {
+
+  switch(*state) {
+    case '-':
+      *state='\\';
+      break;
+    case '\\':
+      *state='|';
+      break;
+    case '|':
+      *state='/';
+      break;
+    default:
+      *state='-';
+      break;
+  }
+
+  return 23;
+}
+
 void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *package) {
 
   t_info *info;
   int i;
   t_sta new_sta;
-  t_frame4_hdr *f4hdr;
+  t_sta *sta;
+  //t_frame4_hdr *f4hdr;
   t_frame3_hdr *f3hdr;
-  t_frame2_hdr *f2hdr;
-  t_frame1_hdr *f1hdr;
+  //t_frame2_hdr *f2hdr;
+  //t_frame1_hdr *f1hdr;
   t_beacon_fb *beacon_fb;
   int ret;
+  char string[MESSAGE_MAX];
 
   info=(t_info *)ptr;
 
@@ -41,30 +63,53 @@ 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 ... */
+     for example prism header ...
+     in that case, hack the source! */
 
+  /* management */
   if(FCTL_TYPE(package[0])==FCTL_TYPE_MGMT) {
     info->count_m++;
+
+    /* beacon frames */
     if(FCTL_STYPE(package[0])==FCTL_STYPE_BEACON) {
       f3hdr=(t_frame3_hdr *)package;
       beacon_fb=(t_beacon_fb *)(package+sizeof(t_frame3_hdr));
-      // new_sta.
-      /* debug output */
-      dprintf(info->log_fd,"beacon: ");
-      for(i=0;i<ADDR_LEN;i++) dprintf(info->log_fd,"%02x ",*((f3hdr->addr2)+i));
-        dprintf(info->log_fd,"  essid: (len=%x) ",beacon_fb->ssid_length);
-      for(i=0;i<beacon_fb->ssid_length;i++)
-        dprintf(info->log_fd,"%c ",*(u8 *)(beacon_fb->ssid+i));
-      dprintf(info->log_fd,"\n");
+      // check sta
+      memcpy(new_sta.addr,f3hdr->addr2,ADDR_LEN);
+      ret=list_search_data(&(info->sniffed_sta),&new_sta,ADDR_LEN);
+      if((ret==L_EMPTY_LIST)|(ret==L_NO_SUCH_ELEMENT)) {
+        list_add_element(&(info->sniffed_sta),&new_sta,sizeof(t_sta));
+        sta=(t_sta *)info->sniffed_sta.current->data;
+      }
+      else sta=(t_sta *)info->sniffed_sta.current->data;
+      // fill in stuff ...
+      memcpy(sta->ssid,beacon_fb->ssid,beacon_fb->ssid_length);
+      if((CAP_INFO_ESS(beacon_fb->cap_info))&
+         (CAP_INFO_IBSS(beacon_fb->cap_info)==0)) sta->ap=AP;
+      if(CAP_INFO_PRIVACY(beacon_fb->cap_info)) sta->wep=WEP;
+      sta->count_mgmt++;
+      switch_active_state(&(sta->active));
+      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],
+                 (i==ADDR_LEN-1)?'.':':');
+      string[22+3*ADDR_LEN+1]=0;
+      display_console(info,string);
     }
+
   }
+
+  /* control */
   else if(FCTL_TYPE(package[0])==FCTL_TYPE_CTRL) {
     info->count_c++;
+    display_console(info,"last: got control frame");
   }
+
+  /* data */
   else if(FCTL_TYPE(package[0])==FCTL_TYPE_DATA) {
     info->count_d++;
+    display_console(info,"last: got data frame");
   }
 
-  display_console(info,"");
 
 }