1 files changed, 102 insertions, 0 deletions
diff --git a/src/iwhostroam.c b/src/iwhostroam.c
new file mode 100644
index 0000000..33d5d9c
--- /dev/null
+++ b/src/iwhostroam.c
@@ -0,0 +1,102 @@
+/* $Id: iwapi.c 45 2003-11-15 10:30:30Z lennart $ */
+
+/*
+ * This file is part of waproamd.
+ *
+ * waproamd 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.
+ *
+ * waproamd 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with waproamd; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <libdaemon/dlog.h>
+#include <errno.h>
+
+#include "iwapi.h"
+#include "wireless.h"
+
+#define IW_MAX_PRIV_DEF 128
+
+int iw_set_hostroam(struct interface *i, int h) {
+    struct iwreq req;
+    struct iw_priv_args pa[IW_MAX_PRIV_DEF];
+    int j, subcmd = 0, b_subcmd = 0;
+
+    assert(i);
+
+    memset(&req, 0, sizeof(req));
+    strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ);
+    
+    req.u.data.pointer = (caddr_t) pa;
+    req.u.data.length = IW_MAX_PRIV_DEF;
+    req.u.data.flags = 0;
+
+    if(ioctl(i->fd, SIOCGIWPRIV, &req) < 0)
+        return -1;
+    
+    if (req.u.data.length <= 0)
+        return -1;
+
+    for (j = 0; j < req.u.data.length; j++)
+        if (!strcmp(pa[j].name, "host_roaming"))
+            break;
+    
+    if (j >= req.u.data.length)
+        return -1;
+
+    if ((pa[j].set_args & IW_PRIV_TYPE_MASK) != IW_PRIV_TYPE_INT ||
+        (pa[j].set_args & IW_PRIV_SIZE_MASK) != 1) {
+        daemon_log(LOG_WARNING, "Private ioctl host_roaming with bogus arguments found!");
+        return -1;
+    }
+
+    /* Look for sub ioctls */
+    if(pa[j].cmd < SIOCDEVPRIVATE) {
+      int k;
+ 
+      for (k = 0; k < req.u.data.length; k++) {
+          if (pa[k].name[0] == 0 &&
+              pa[j].set_args == pa[k].set_args &&
+              pa[j].get_args == pa[k].get_args)
+              break;
+      }
+
+      if (k >= req.u.data.length) {
+          daemon_log(LOG_WARNING, "Invalid private ioctl definition!");
+          return -1;
+      }
+          
+      subcmd = pa[j].cmd;
+      b_subcmd = 1;
+      j = k;
+    }
+
+    if (h < 0) h = 0;
+    if (h > 2) h = 2;
+    
+    memset(&req, 0, sizeof(req));
+    strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ);
+    req.u.data.length = 1;
+    req.u.mode = b_subcmd ? subcmd : 0;
+    memcpy(req.u.name+4, &h, sizeof(h));
+        
+    if (ioctl(i->fd, pa[j].cmd, &req) < 0) {
+        daemon_log(LOG_WARNING, "Private ioctl host_roaming (%x) failed: %s", pa[j].cmd, strerror(errno));
+        return -1;
+    }
+
+    daemon_log(LOG_INFO, "Successfully set host roaming of driver to <%s>", !h ? "hardware" : (h == 1 ? "host" : "user space"));
+    return 0;
+}