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freebsd/contrib/wpa_supplicant/common.h
Sam Leffler 3e859a8db6 resolve merge conflicts
MFC after:	2 weeks
2006-03-07 05:44:45 +00:00

293 lines
8.1 KiB
C

/*
* wpa_supplicant/hostapd / common helper functions, etc.
* Copyright (c) 2002-2005, Jouni Malinen <jkmaline@cc.hut.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*
* $FreeBSD$
*/
#ifndef COMMON_H
#define COMMON_H
#ifdef __linux__
#include <endian.h>
#include <byteswap.h>
#endif /* __linux__ */
#if defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/types.h>
#include <sys/endian.h>
#define __BYTE_ORDER _BYTE_ORDER
#define __LITTLE_ENDIAN _LITTLE_ENDIAN
#define __BIG_ENDIAN _BIG_ENDIAN
#define bswap_16 bswap16
#define bswap_32 bswap32
#define bswap_64 bswap64
#endif /* defined(__FreeBSD__) || defined(__NetBSD__) */
#ifdef CONFIG_NATIVE_WINDOWS
#include <winsock2.h>
static inline int daemon(int nochdir, int noclose)
{
printf("Windows - daemon() not supported yet\n");
return -1;
}
static inline void sleep(int seconds)
{
Sleep(seconds * 1000);
}
static inline void usleep(unsigned long usec)
{
Sleep(usec / 1000);
}
#ifndef timersub
#define timersub(a, b, res) do { \
(res)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(res)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((res)->tv_usec < 0) { \
(res)->tv_sec--; \
(res)->tv_usec += 1000000; \
} \
} while (0)
#endif
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
int gettimeofday(struct timeval *tv, struct timezone *tz);
static inline long int random(void)
{
return rand();
}
typedef int gid_t;
typedef int socklen_t;
#ifndef MSG_DONTWAIT
#define MSG_DONTWAIT 0 /* not supported */
#endif
#endif /* CONFIG_NATIVE_WINDOWS */
#if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS)
static inline unsigned short wpa_swap_16(unsigned short v)
{
return ((v & 0xff) << 8) | (v >> 8);
}
static inline unsigned int wpa_swap_32(unsigned int v)
{
return ((v & 0xff) << 24) | ((v & 0xff00) << 8) |
((v & 0xff0000) >> 8) | (v >> 24);
}
#define le_to_host16(n) (n)
#define host_to_le16(n) (n)
#define be_to_host16(n) wpa_swap_16(n)
#define host_to_be16(n) wpa_swap_16(n)
#define le_to_host32(n) (n)
#define be_to_host32(n) wpa_swap_32(n)
#define host_to_be32(n) wpa_swap_32(n)
#else /* __CYGWIN__ */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define le_to_host16(n) (n)
#define host_to_le16(n) (n)
#define be_to_host16(n) bswap_16(n)
#define host_to_be16(n) bswap_16(n)
#define le_to_host32(n) (n)
#define be_to_host32(n) bswap_32(n)
#define host_to_be32(n) bswap_32(n)
#elif __BYTE_ORDER == __BIG_ENDIAN
#define le_to_host16(n) bswap_16(n)
#define host_to_le16(n) bswap_16(n)
#define be_to_host16(n) (n)
#define host_to_be16(n) (n)
#define le_to_host32(n) bswap_32(n)
#define be_to_host32(n) (n)
#define host_to_be32(n) (n)
#ifndef WORDS_BIGENDIAN
#define WORDS_BIGENDIAN
#endif
#else
#error Could not determine CPU byte order
#endif
#endif /* __CYGWIN__ */
/* Macros for handling unaligned 16-bit variables */
#define WPA_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
#define WPA_PUT_BE16(a, val) \
do { \
(a)[0] = ((u16) (val)) >> 8; \
(a)[1] = ((u16) (val)) & 0xff; \
} while (0)
#define WPA_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
#define WPA_PUT_LE16(a, val) \
do { \
(a)[1] = ((u16) (val)) >> 8; \
(a)[0] = ((u16) (val)) & 0xff; \
} while (0)
#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
#include <stdint.h>
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef int64_t s64;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;
int hostapd_get_rand(u8 *buf, size_t len);
void hostapd_hexdump(const char *title, const u8 *buf, size_t len);
int hwaddr_aton(const char *txt, u8 *addr);
int hexstr2bin(const char *hex, u8 *buf, size_t len);
char * rel2abs_path(const char *rel_path);
void inc_byte_array(u8 *counter, size_t len);
void print_char(char c);
void fprint_char(FILE *f, char c);
/* Debugging function - conditional printf and hex dump. Driver wrappers can
* use these for debugging purposes. */
enum { MSG_MSGDUMP, MSG_DEBUG, MSG_INFO, MSG_WARNING, MSG_ERROR };
#ifdef CONFIG_NO_STDOUT_DEBUG
#define wpa_debug_print_timestamp() do { } while (0)
#define wpa_printf(args...) do { } while (0)
#define wpa_hexdump(args...) do { } while (0)
#define wpa_hexdump_key(args...) do { } while (0)
#define wpa_hexdump_ascii(args...) do { } while (0)
#define wpa_hexdump_ascii_key(args...) do { } while (0)
#else /* CONFIG_NO_STDOUT_DEBUG */
/**
* wpa_debug_printf_timestamp - Print timestamp for debug output
*
* This function prints a timestamp in <seconds from 1970>.<microsoconds>
* format if debug output has been configured to include timestamps in debug
* messages.
*/
void wpa_debug_print_timestamp(void);
/**
* wpa_printf - conditional printf
* @level: priority level (MSG_*) of the message
* @fmt: printf format string, followed by optional arguments
*
* This function is used to print conditional debugging and error messages. The
* output may be directed to stdout, stderr, and/or syslog based on
* configuration.
*
* Note: New line '\n' is added to the end of the text when printing to stdout.
*/
void wpa_printf(int level, char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
/**
* wpa_hexdump - conditional hex dump
* @level: priority level (MSG_*) of the message
* @title: title of for the message
* @buf: data buffer to be dumped
* @len: length of the buf
*
* This function is used to print conditional debugging and error messages. The
* output may be directed to stdout, stderr, and/or syslog based on
* configuration. The contents of buf is printed out has hex dump.
*/
void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len);
/**
* wpa_hexdump_key - conditional hex dump, hide keys
* @level: priority level (MSG_*) of the message
* @title: title of for the message
* @buf: data buffer to be dumped
* @len: length of the buf
*
* This function is used to print conditional debugging and error messages. The
* output may be directed to stdout, stderr, and/or syslog based on
* configuration. The contents of buf is printed out has hex dump. This works
* like wpa_hexdump(), but by default, does not include secret keys (passwords,
* etc.) in debug output.
*/
void wpa_hexdump_key(int level, const char *title, const u8 *buf, size_t len);
/**
* wpa_hexdump_ascii - conditional hex dump
* @level: priority level (MSG_*) of the message
* @title: title of for the message
* @buf: data buffer to be dumped
* @len: length of the buf
*
* This function is used to print conditional debugging and error messages. The
* output may be directed to stdout, stderr, and/or syslog based on
* configuration. The contents of buf is printed out has hex dump with both
* the hex numbers and ASCII characters (for printable range) are shown. 16
* bytes per line will be shown.
*/
void wpa_hexdump_ascii(int level, const char *title, const u8 *buf,
size_t len);
/**
* wpa_hexdump_ascii_key - conditional hex dump, hide keys
* @level: priority level (MSG_*) of the message
* @title: title of for the message
* @buf: data buffer to be dumped
* @len: length of the buf
*
* This function is used to print conditional debugging and error messages. The
* output may be directed to stdout, stderr, and/or syslog based on
* configuration. The contents of buf is printed out has hex dump with both
* the hex numbers and ASCII characters (for printable range) are shown. 16
* bytes per line will be shown. This works like wpa_hexdump_ascii(), but by
* default, does not include secret keys (passwords, etc.) in debug output.
*/
void wpa_hexdump_ascii_key(int level, const char *title, const u8 *buf,
size_t len);
#endif /* CONFIG_NO_STDOUT_DEBUG */
#ifdef EAPOL_TEST
#define WPA_ASSERT(a) \
do { \
if (!(a)) { \
printf("WPA_ASSERT FAILED '" #a "' " \
"%s %s:%d\n", \
__FUNCTION__, __FILE__, __LINE__); \
exit(1); \
} \
} while (0)
#else
#define WPA_ASSERT(a) do { } while (0)
#endif
#endif /* COMMON_H */