* gnunet
*/
+/**
+ * parts taken from aircrack-ng, parts changend.
+ */
+
#define _GNU_SOURCE
#include <sys/socket.h>
#include <sys/ioctl.h>
#define MAC_ADDR_SIZE 6
-//Part taken from file ieee80211.h
-/*-
- * Copyright (c) 2001 Atsushi Onoe
- * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.12 2006/12/01 18:40:51 imp Exp $
- */
#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
/* see below */
} GNUNET_PACKED;
-// End taken part
-
+/**
+ * struct for storing the information of the hardware
+ */
struct Hardware_Infos
{
+ /**
+ * send buffer
+ */
struct sendbuf write_pout;
+ /**
+ * file descriptor for the raw socket
+ */
int fd_raw;
+
int arptype_in;
/**
getChannelFromFrequency (int frequency);
// FIXME: make nice...
+/**
+ * function to calculate the crc, the start of the calculation
+ * @param buf buffer to calc the crc
+ * @param len len of the buffer
+ * @return crc sum
+ */
static unsigned long
calc_crc_osdep (unsigned char *buf, int len)
{
/* CRC checksum verification routine */
// FIXME: make nice...
-// fixme doxigen
+/**
+ * Function to check crc of the wlan packet
+ * @param buf buffer of the packet
+ * @param len len of the data
+ * @return crc sum of the data
+ */
static int
check_crc_buf_osdep (unsigned char *buf, int len)
{
// FIXME: make nice...
-//fixme doxigen
+/**
+ * function to get the channel of a specific wlan card
+ * @param dev pointer to the dev struct of the card
+ * @return channel number
+ */
static int
linux_get_channel (struct Hardware_Infos *dev)
{
// FIXME: make nice...
-//FIXME doxigen
+/**
+ * function to read from a wlan card
+ * @param dev pointer to the struct of the wlan card
+ * @param buf buffer to read to
+ * @param buf_size size of the buffer
+ * @param ri radiotap_rx info
+ * @return size read from the buffer
+ */
static ssize_t
linux_read (struct Hardware_Infos *dev, unsigned char *buf, /* FIXME: void*? */
size_t buf_size, struct Radiotap_rx *ri)
return caplen;
}
-//FIXME doxigen
/**
+ * function to open the device for read/write
+ * @param dev pointer to the device struct
* @return 0 on success
*/
static int
}
/**
+ * function to prepare the helper, e.g. sockets, device...
+ * @param dev struct for the device
+ * @param iface name of the interface
* @return 0 on success
*/
static int
}
-//FIXME: doxigen
+/**
+ * function to process the data from the stdin
+ * @param cls pointer to the device struct
+ * @param client not used
+ * @param hdr pointer to the start of the packet
+ */
static void
stdin_send_hw (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
{
rtheader.header.it_len = htole16 (0x0c);
rtheader.header.it_present = htole32 (0x00008004);
rtheader.rate = 0x00;
+ rtheader.pad1 = 0x00;
rtheader.txflags =
htole16 (IEEE80211_RADIOTAP_F_TX_NOACK | IEEE80211_RADIOTAP_F_TX_NOSEQ);
}
#if 0
+/**
+ * Function to make test packets with special options
+ * @param buf buffer to write the data to
+ * @param dev device to send the data from
+ * @return size of packet (what should be send)
+ */
static int
maketest (unsigned char *buf, struct Hardware_Infos *dev)
{
/**
- * function to create GNUNET_MESSAGE_TYPE_WLAN_HELPER_CONTROL message for plugin
- * @param buffer pointer to buffer for the message
- * @param mac pointer to the mac address
- * @return number of bytes written
+ * Function to start the hardware for the wlan helper
+ * @param argc number of arguments
+ * @param argv arguments
+ * @return returns one on error
*/
-// FIXME: use 'struct MacAddress' for 'mac' (everywhere in this file)
-/*
-static int
-send_mac_to_plugin (char *buffer, struct MacAddress * mac)
-{
- struct Wlan_Helper_Control_Message macmsg;
-
- macmsg.hdr.size = htons (sizeof (struct Wlan_Helper_Control_Message));
- macmsg.hdr.type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_CONTROL);
- memcpy (macmsg.mac, mac, sizeof (struct MacAddress));
- memcpy (buffer, &macmsg, sizeof (struct Wlan_Helper_Control_Message));
- return sizeof (struct Wlan_Helper_Control_Message);
-}
-*/
-
-//FIXME: doxigen
static int
hardwaremode (int argc, char *argv[])
{
return 1;
}
+/**
+ * main function of the helper
+ * @param argc number of arguments
+ * @param argv arguments
+ * @return 0 on success, 1 on error
+ */
int
main (int argc, char *argv[])
{
/**
* Return the frequency in Mhz from a channel number
+ * @param channel number of the channel
+ * @return frequency of the channel
*/
int
getFrequencyFromChannel (int channel)
6050, 6055, 6060, 6065, 6070, 6075, 6080, 6085, 6090, 6095, 6100
};
- return (channel > 0 && channel <= 221) ? frequencies[channel] : -1;
+ return ((channel > 0) &&
+ (channel <
+ sizeof (frequencies) / sizeof (int))) ? frequencies[channel] : -1;
}
/**
* Return the channel from the frequency (in Mhz)
+ * @param frequency of the channel
+ * @return number of the channel
*/
int
getChannelFromFrequency (int frequency)
else
return -1;
}
-
projects / oweals / gnunet.git / blobdiff