493 lines
14 KiB
C
493 lines
14 KiB
C
/*
|
|
* wpa_supplicant/hostapd / common helper functions, etc.
|
|
* Copyright (c) 2002-2006, Jouni Malinen <j@w1.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.
|
|
*/
|
|
|
|
#ifndef COMMON_H
|
|
#define COMMON_H
|
|
|
|
#include "os.h"
|
|
|
|
#ifdef __linux__
|
|
#include <endian.h>
|
|
#include <byteswap.h>
|
|
#endif /* __linux__ */
|
|
|
|
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
|
|
#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__) ||
|
|
* defined(__DragonFly__) */
|
|
|
|
#ifdef CONFIG_TI_COMPILER
|
|
#define __BIG_ENDIAN 4321
|
|
#define __LITTLE_ENDIAN 1234
|
|
#ifdef __big_endian__
|
|
#define __BYTE_ORDER __BIG_ENDIAN
|
|
#else
|
|
#define __BYTE_ORDER __LITTLE_ENDIAN
|
|
#endif
|
|
#endif /* CONFIG_TI_COMPILER */
|
|
|
|
#ifdef CONFIG_NATIVE_WINDOWS
|
|
#include <winsock.h>
|
|
|
|
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)
|
|
|
|
#ifdef _MSC_VER
|
|
#define inline __inline
|
|
#endif /* _MSC_VER */
|
|
|
|
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__ */
|
|
|
|
#ifndef __BYTE_ORDER
|
|
#ifndef __LITTLE_ENDIAN
|
|
#ifndef __BIG_ENDIAN
|
|
#define __LITTLE_ENDIAN 1234
|
|
#define __BIG_ENDIAN 4321
|
|
#if defined(sparc)
|
|
#define __BYTE_ORDER __BIG_ENDIAN
|
|
#endif
|
|
#endif /* __BIG_ENDIAN */
|
|
#endif /* __LITTLE_ENDIAN */
|
|
#endif /* __BYTE_ORDER */
|
|
|
|
#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)
|
|
#define le_to_host64(n) (n)
|
|
#define host_to_le64(n) (n)
|
|
#define be_to_host64(n) bswap_64(n)
|
|
#define host_to_be64(n) bswap_64(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)
|
|
#define le_to_host64(n) bswap_64(n)
|
|
#define host_to_le64(n) bswap_64(n)
|
|
#define be_to_host64(n) (n)
|
|
#define host_to_be64(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)
|
|
|
|
#define WPA_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
|
|
((u32) (a)[2]))
|
|
#define WPA_PUT_BE24(a, val) \
|
|
do { \
|
|
(a)[0] = (u8) (((u32) (val)) >> 16); \
|
|
(a)[1] = (u8) (((u32) (val)) >> 8); \
|
|
(a)[2] = (u8) (((u32) (val)) & 0xff); \
|
|
} while (0)
|
|
|
|
#define WPA_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
|
|
(((u32) (a)[2]) << 8) | ((u32) (a)[3]))
|
|
#define WPA_PUT_BE32(a, val) \
|
|
do { \
|
|
(a)[0] = (u8) (((u32) (val)) >> 24); \
|
|
(a)[1] = (u8) (((u32) (val)) >> 16); \
|
|
(a)[2] = (u8) (((u32) (val)) >> 8); \
|
|
(a)[3] = (u8) (((u32) (val)) & 0xff); \
|
|
} while (0)
|
|
|
|
#define WPA_PUT_BE64(a, val) \
|
|
do { \
|
|
(a)[0] = (u8) (((u64) (val)) >> 56); \
|
|
(a)[1] = (u8) (((u64) (val)) >> 48); \
|
|
(a)[2] = (u8) (((u64) (val)) >> 40); \
|
|
(a)[3] = (u8) (((u64) (val)) >> 32); \
|
|
(a)[4] = (u8) (((u64) (val)) >> 24); \
|
|
(a)[5] = (u8) (((u64) (val)) >> 16); \
|
|
(a)[6] = (u8) (((u64) (val)) >> 8); \
|
|
(a)[7] = (u8) (((u64) (val)) & 0xff); \
|
|
} while (0)
|
|
|
|
|
|
#ifndef ETH_ALEN
|
|
#define ETH_ALEN 6
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
typedef UINT64 u64;
|
|
typedef UINT32 u32;
|
|
typedef UINT16 u16;
|
|
typedef UINT8 u8;
|
|
typedef INT64 s64;
|
|
typedef INT32 s32;
|
|
typedef INT16 s16;
|
|
typedef INT8 s8;
|
|
#define WPA_TYPES_DEFINED
|
|
#endif /* _MSC_VER */
|
|
|
|
#ifdef __vxworks
|
|
typedef unsigned long long u64;
|
|
typedef UINT32 u32;
|
|
typedef UINT16 u16;
|
|
typedef UINT8 u8;
|
|
typedef long long s64;
|
|
typedef INT32 s32;
|
|
typedef INT16 s16;
|
|
typedef INT8 s8;
|
|
#define WPA_TYPES_DEFINED
|
|
#endif /* __vxworks */
|
|
|
|
#ifdef CONFIG_TI_COMPILER
|
|
#ifdef _LLONG_AVAILABLE
|
|
typedef unsigned long long u64;
|
|
#else
|
|
/*
|
|
* TODO: 64-bit variable not available. Using long as a workaround to test the
|
|
* build, but this will likely not work for all operations.
|
|
*/
|
|
typedef unsigned long u64;
|
|
#endif
|
|
typedef unsigned int u32;
|
|
typedef unsigned short u16;
|
|
typedef unsigned char u8;
|
|
#define WPA_TYPES_DEFINED
|
|
#endif /* CONFIG_TI_COMPILER */
|
|
|
|
#ifndef WPA_TYPES_DEFINED
|
|
#ifdef CONFIG_USE_INTTYPES_H
|
|
#include <inttypes.h>
|
|
#else
|
|
#include <stdint.h>
|
|
#endif
|
|
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;
|
|
#define WPA_TYPES_DEFINED
|
|
#endif /* !WPA_TYPES_DEFINED */
|
|
|
|
#define hostapd_get_rand os_get_random
|
|
int hwaddr_aton(const char *txt, u8 *addr);
|
|
int hexstr2bin(const char *hex, u8 *buf, size_t len);
|
|
void inc_byte_array(u8 *counter, size_t len);
|
|
void wpa_get_ntp_timestamp(u8 *buf);
|
|
|
|
|
|
#ifdef __GNUC__
|
|
#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b))))
|
|
#define STRUCT_PACKED __attribute__ ((packed))
|
|
#else
|
|
#define PRINTF_FORMAT(a,b)
|
|
#define STRUCT_PACKED
|
|
#endif
|
|
|
|
|
|
/* 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(l,t,b,le) do { } while (0)
|
|
#define wpa_hexdump_key(l,t,b,le) do { } while (0)
|
|
#define wpa_hexdump_ascii(l,t,b,le) do { } while (0)
|
|
#define wpa_hexdump_ascii_key(l,t,b,le) do { } while (0)
|
|
#define wpa_debug_open_file() do { } while (0)
|
|
#define wpa_debug_close_file() do { } while (0)
|
|
|
|
#else /* CONFIG_NO_STDOUT_DEBUG */
|
|
|
|
int wpa_debug_open_file(void);
|
|
void wpa_debug_close_file(void);
|
|
|
|
/**
|
|
* 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, ...)
|
|
PRINTF_FORMAT(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 CONFIG_NO_WPA_MSG
|
|
#define wpa_msg(args...) do { } while (0)
|
|
#define wpa_msg_register_cb(f) do { } while (0)
|
|
#else /* CONFIG_NO_WPA_MSG */
|
|
/**
|
|
* wpa_msg - Conditional printf for default target and ctrl_iface monitors
|
|
* @ctx: Pointer to context data; this is the ctx variable registered
|
|
* with struct wpa_driver_ops::init()
|
|
* @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. This function is like wpa_printf(), but it also sends the
|
|
* same message to all attached ctrl_iface monitors.
|
|
*
|
|
* Note: New line '\n' is added to the end of the text when printing to stdout.
|
|
*/
|
|
void wpa_msg(void *ctx, int level, char *fmt, ...) PRINTF_FORMAT(3, 4);
|
|
|
|
typedef void (*wpa_msg_cb_func)(void *ctx, int level, const char *txt,
|
|
size_t len);
|
|
|
|
/**
|
|
* wpa_msg_register_cb - Register callback function for wpa_msg() messages
|
|
* @func: Callback function (%NULL to unregister)
|
|
*/
|
|
void wpa_msg_register_cb(wpa_msg_cb_func func);
|
|
#endif /* CONFIG_NO_WPA_MSG */
|
|
|
|
|
|
int wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len);
|
|
int wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data,
|
|
size_t len);
|
|
|
|
|
|
#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
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
#undef vsnprintf
|
|
#define vsnprintf _vsnprintf
|
|
#undef close
|
|
#define close closesocket
|
|
#endif /* _MSC_VER */
|
|
|
|
|
|
#ifdef CONFIG_ANSI_C_EXTRA
|
|
|
|
#if !defined(_MSC_VER) || _MSC_VER < 1400
|
|
/* snprintf - used in number of places; sprintf() is _not_ a good replacement
|
|
* due to possible buffer overflow; see, e.g.,
|
|
* http://www.ijs.si/software/snprintf/ for portable implementation of
|
|
* snprintf. */
|
|
int snprintf(char *str, size_t size, const char *format, ...);
|
|
|
|
/* vsnprintf - only used for wpa_msg() in wpa_supplicant.c */
|
|
int vsnprintf(char *str, size_t size, const char *format, va_list ap);
|
|
#endif /* !defined(_MSC_VER) || _MSC_VER < 1400 */
|
|
|
|
/* getopt - only used in main.c */
|
|
int getopt(int argc, char *const argv[], const char *optstring);
|
|
extern char *optarg;
|
|
extern int optind;
|
|
|
|
#ifndef CONFIG_NO_SOCKLEN_T_TYPEDEF
|
|
#ifndef __socklen_t_defined
|
|
typedef int socklen_t;
|
|
#endif
|
|
#endif
|
|
|
|
/* inline - define as __inline or just define it to be empty, if needed */
|
|
#ifdef CONFIG_NO_INLINE
|
|
#define inline
|
|
#else
|
|
#define inline __inline
|
|
#endif
|
|
|
|
#ifndef __func__
|
|
#define __func__ "__func__ not defined"
|
|
#endif
|
|
|
|
#ifndef bswap_16
|
|
#define bswap_16(a) ((((u16) (a) << 8) & 0xff00) | (((u16) (a) >> 8) & 0xff))
|
|
#endif
|
|
|
|
#ifndef bswap_32
|
|
#define bswap_32(a) ((((u32) (a) << 24) & 0xff000000) | \
|
|
(((u32) (a) << 8) & 0xff0000) | \
|
|
(((u32) (a) >> 8) & 0xff00) | \
|
|
(((u32) (a) >> 24) & 0xff))
|
|
#endif
|
|
|
|
#ifndef MSG_DONTWAIT
|
|
#define MSG_DONTWAIT 0
|
|
#endif
|
|
|
|
#ifdef _WIN32_WCE
|
|
void perror(const char *s);
|
|
#endif /* _WIN32_WCE */
|
|
|
|
#endif /* CONFIG_ANSI_C_EXTRA */
|
|
|
|
#define wpa_zalloc(s) os_zalloc((s))
|
|
|
|
#ifdef CONFIG_NATIVE_WINDOWS
|
|
void wpa_unicode2ascii_inplace(TCHAR *str);
|
|
TCHAR * wpa_strdup_tchar(const char *str);
|
|
#else /* CONFIG_NATIVE_WINDOWS */
|
|
#define wpa_unicode2ascii_inplace(s) do { } while (0)
|
|
#define wpa_strdup_tchar(s) strdup((s))
|
|
#endif /* CONFIG_NATIVE_WINDOWS */
|
|
|
|
const char * wpa_ssid_txt(u8 *ssid, size_t ssid_len);
|
|
|
|
typedef u32 __be32;
|
|
typedef u64 __be64;
|
|
|
|
#endif /* COMMON_H */
|