1 files changed, 118 insertions, 0 deletions

diff --git a/noncore/net/wellenreiter/contrib/orinoco_hopper/orinoco_hopper.c b/noncore/net/wellenreiter/contrib/orinoco_hopper/orinoco_hopper.c
new file mode 100644
index 0000000..78f0299
--- a/dev/null
+++ b/noncore/net/wellenreiter/contrib/orinoco_hopper/orinoco_hopper.c
@@ -0,0 +1,118 @@
+/* orinoco_hopper.c
+ * orinoco wireless nic channel scanning utility
+ *
+ * By Snax <snax@shmoo.com>
+ * Copyright (c) 2002 Snax
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * For a copy of the GNU General Public License write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <linux/wireless.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#ifndef SIOCIWFIRSTPRIV
+#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
+#endif
+
+void changeChannel(int);
+int setChannel( unsigned char channel );
+
+int max = 11;
+int mode = 2;
+char dev[32];
+
+void changeChannel(int x) {
+   static int chan = 0;
+   chan = (chan % max) + 1;
+   setChannel(chan);
+}
+
+int setChannel( unsigned char channel )
+{
+   int result = 0;
+   int fd;
+   struct iwreq ireq;  //for Orinoco
+   int *ptr;
+
+   /* get a socket */
+   fd = socket(AF_INET, SOCK_STREAM, 0);
+
+   if ( fd == -1 ) {
+      return -1;
+   }
+   ptr = (int *) ireq.u.name;
+   ptr[0] = mode;
+   ptr[1] = channel;
+   strcpy(ireq.ifr_ifrn.ifrn_name, dev);
+   result = ioctl( fd, SIOCIWFIRSTPRIV + 0x8, &ireq);
+   close(fd);
+   return result;
+}
+
+void usage(char *cmd) {
+    fprintf(stderr, 
+        "Usage: %s <iface> [-p] [-i <interval millisec>] [-n]\n   -n = international channels\n   -p = keep prism headers\n", cmd);
+    exit(1);
+}
+
+int main (int argc, char *argv[])
+{
+  struct itimerval tval;
+  int ms, r;
+
+  //this will be the channel scanning interval, currently 0.2 sec
+  struct timeval interval = {0, 200000};
+
+   if (argc < 2) usage(argv[0]);
+   strncpy(dev, argv[1], 32);
+   dev[31] = 0;
+
+   while (1) {
+      r = getopt(argc,argv,"i:np");
+      if (r < 0) break;
+      switch (r) {
+      case 'n':
+         max = 14;
+         break;
+      case 'p':
+         mode = 1;
+         break;
+      case 'i':
+         ms = atoi(optarg);
+         interval.tv_sec = ms / 1000;
+         interval.tv_usec = (ms % 1000) * 1000;
+         break;
+      default:
+         usage(argv[0]);
+      }
+   } 
+
+  //this sets up the kchannel scanning stuff
+  signal(SIGALRM, changeChannel);
+  tval.it_interval = interval;
+  tval.it_value = interval;
+  setitimer(ITIMER_REAL, &tval, NULL);
+  while (1) pause();
+
+  return 0;
+}
+