utils.h

/*
 * coWPAtty - Brute-force dictionary attack against WPA-PSK.
 *
 * Copyright (c) 2004-2018, Joshua Wright <jwright@hasborg.com>
 *
 * This software may be modified and distributed under the terms
 * of the BSD-3-clause license. See the LICENSE file for details.
 */

/*
 * Significant code is graciously taken from the following:
 * wpa_supplicant by Jouni Malinen.  This tool would have been MUCH more
 * difficult for me if not for this code.  Thanks Jouni.
 */

/* Prototypes */
void lamont_hdump(unsigned char *bp, unsigned int length);
char *printmac(unsigned char *mac);
int IsBlank(char *s);
int radiotap_offset(pcap_t *p, struct pcap_pkthdr *h);


#define __swab16(x) \
({ \
        uint16_t __x = (x); \
        ((uint16_t)( \
                (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
                (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
})

#ifdef WORDS_BIGENDIAN
#warning "Compiling for big-endian"
#define le16_to_cpu(x) __swab16(x)
#else
#define le16_to_cpu(x) (x)
#endif