#include <gtk/gtk.h>#include <pthread.h>#include <unistd.h>#include "gtkskan.h"#include "iwcommon.h"#include "wavelan_support.h"#include "scan_data.h"#include "network_db.h"#include "scan_dhcp.h"#include "skan.h"#include "skan_config.h"/************************************************** some global definitions  **************************************************/extern gtkskan_config_t skan_conf;extern GtkWidget *my_clist;extern GtkWidget *location_entry;/*************************************************************************** the main skanner ***************************************************************************//*    set ESSID to nil to force skan for an ID   wait a couple seconds then ask for the ESSID   if it's set then lookup the MAC of our AP   if it's new log it, otherwise log stats and reset/scan again   TODO: add DHCP/NAT service detection   TODO: maybe add GPS data */void *wavelan_skanzor(void * data){  int sock = socket(AF_INET, SOCK_DGRAM, 0);  scan_data_t scan_data;  gboolean *scanning = (gboolean*)data;    while(*scanning== TRUE) {          /* main skanning loop - should lock this, but we'll just count on        one instance of it ever existing for now */    /* check if essid is set - we might have found a network or already be        on one */    gdk_threads_enter();    if(wavelan_get_essid(sock, skan_conf.interface)) {      gtkskan_update_statusbar("Scanning... What You Say??? We Get Signal");      memset(&scan_data, 0, sizeof(scan_data));      get_scan_data(sock, skan_conf.interface, &scan_data);      {        gps_gpgll gps_sample;	        if(gps_current_gll(&gps_sample)) {          gps_merge_interface_data(&scan_data, &gps_sample);          gps_db_save_data(&gps_sample, scan_data.ap_mac, scan_data.link_quality);	}      }      if(!network_db_exists(scan_data.ap_mac)) {//	gdk_beep();      }       add_scan_data_to_clist(GTK_CLIST(my_clist), &scan_data);      network_db_save_data(&scan_data);      /* reset the ESSID */      wavelan_set_essid(sock, skan_conf.interface, NULL);          } else {      gtkskan_update_statusbar("Scanning... No Signal");    }	gdk_threads_leave();    /* sleep long enough to scan */    sleep(3);  }    close(sock);  pthread_exit(NULL);}void add_row_from_db(scan_data_t *row, void *user_data){  add_scan_data_to_clist(GTK_CLIST(my_clist), row);}void initialize_interface_from_db(void){  network_db_iterate(add_row_from_db, my_clist);}void row_to_scan_data(GtkCList *clist, int row, scan_data_t *out){  gchar *col_text = NULL;  memset(out, 0, sizeof(scan_data_t));  /* MAC */  gtk_clist_get_text (clist, row, 0, &col_text);  strcpy(out->essid, col_text);  gtk_clist_get_text (clist, row, 1, &col_text);  strcpy(out->ap_mac, col_text);  gtk_clist_get_text (clist, row, 2, &col_text);  out->link_quality = atoi(col_text);  gtk_clist_get_text (clist, row, 4, &col_text);  out->frequency = atof(col_text);  gtk_clist_get_text (clist, row, 5, &col_text);  strcpy(out->location, col_text);}/************************************************** interface support  **************************************************/void handle_save_location(GtkWidget *w, gpointer user_data){	GtkCList *clist = GTK_CLIST(my_clist);	GtkEntry *entry = GTK_ENTRY(location_entry);	gchar *location_text = gtk_entry_get_text(entry);	scan_data_t data;		if (clist->focus_row == -1) {		gtkskan_update_statusbar("Cannot save location: no AP selected");		return;	}	if (location_text && strlen(location_text) > 1024) {		gtkskan_update_statusbar("Text too long to save");		return;	}    row_to_scan_data(clist, clist->focus_row, &data);    strcpy(data.location, location_text);    network_db_save_data(&data);    add_scan_data_to_clist(clist, &data);	gtkskan_update_statusbar("Location saved.");}void handle_clist_selection(GtkWidget *w, gint x, gint y, GdkEvent * e, gpointer user_data){	GtkCList *list = GTK_CLIST(w);	gchar * location_text = NULL;		gtk_clist_get_text(list, list->focus_row, 5, &location_text);	gtk_entry_set_text(GTK_ENTRY(location_entry), location_text);	gtk_widget_set_sensitive(location_entry, TRUE);}void handle_clist_unselection(GtkWidget *w, gint x, gint y, GdkEvent *e, 		gpointer user_data) {	gtk_entry_set_text(GTK_ENTRY(location_entry), "No selection");	gtk_widget_set_sensitive(location_entry, FALSE);}int find_record_or_new_row(GtkCList *clist, const char *mac){  int i = 0;  if(clist->rows == 0)    return -1;  /* FIXME: this will not scale to anything reasonable */  for(i = 0; i < clist->rows; i++) {    gchar *text;        gtk_clist_get_text (clist, i, 1, &text);    if(strcmp(text, mac) == 0) {      return i;    }  }  return -1;}voidadd_scan_data_to_clist(GtkCList *clist, scan_data_t *data){  gchar *row[] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };  int row_num = find_record_or_new_row(clist, data->ap_mac);  char signal_buf[3], avg_signal_buf[10], freq[32], latitude[10], longitude[10];  sprintf(signal_buf, "%d", data->link_quality);  if(data->link_samples != 0) {    sprintf(avg_signal_buf, "%d", (int)(data->link_total / data->link_samples));  } else {    memset(avg_signal_buf, 0, sizeof(avg_signal_buf));  }   sprintf(freq, "%2.5f", data->frequency / (1024 * 1024 * 1024));  sprintf(latitude, "%d.%2.3f", data->gps_coords.latitude.degrees, data->gps_coords.latitude.minutes);  sprintf(longitude, "%d.%2.3f", data->gps_coords.longitude.degrees, data->gps_coords.longitude.minutes);  row[0] = data->essid;  row[1] = data->ap_mac;  row[2] = signal_buf;  row[3] = avg_signal_buf;  row[4] = freq;  row[5] = (data->location[0] == '\0' ? "Not Known" : data->location);  row[6] = latitude;  row[7] = longitude;  if(row_num == -1) {    gtk_clist_insert(clist, row_num, row);  } else {    gtk_clist_set_text(clist, row_num, 2, row[2]);    gtk_clist_set_text(clist, row_num, 3, row[3]);    gtk_clist_set_text(clist, row_num, 5, row[5]);    gtk_clist_set_text(clist, row_num, 6, row[6]);    gtk_clist_set_text(clist, row_num, 7, row[7]);  }}void start_or_stop_scan(GtkWidget *widget, gpointer user_data) {  static gboolean state = FALSE;  gchar *status_text = NULL;  pthread_t skannor_thread;    switch(state)    {		case TRUE:			state = FALSE;			status_text = "Inactive";			break;    	case FALSE:			state = TRUE;			status_text = "Scanning...";			break;    }	pthread_create(&skannor_thread, NULL, wavelan_skanzor, &state);  	gtkskan_scanning(state);	gtkskan_update_statusbar((gchar*)status_text);}void main_window_exit(GtkWidget *widget, gpointer user_data) {  gtk_main_quit();}