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/* $Id$ */
/*
* 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;
}
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