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/*
* wpa_supplicant/hostapd / common helper functions, etc.
* Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef COMMON_H
#define COMMON_H
#if defined(__ets__)
#endif /* ets */
#include "os.h"
#include "esp_bit_defs.h"
#include "list.h"
/* Define platform specific variable type macros */
#if defined(ESP_PLATFORM)
#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;
#endif /*ESP_PLATFORM*/
#if defined(__linux__) || defined(__GLIBC__)
#include <endian.h>
#include <byteswap.h>
#else
#include <machine/endian.h>
#define __BYTE_ORDER BYTE_ORDER
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#define __BIG_ENDIAN BIG_ENDIAN
#endif /* __linux__ */
/* Define platform specific byte swapping macros */
#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 host_to_le32(n) (n)
#define be_to_host32(n) wpa_swap_32(n)
#define host_to_be32(n) wpa_swap_32(n)
#define WPA_BYTE_SWAP_DEFINED
#endif /* __CYGWIN__ || CONFIG_NATIVE_WINDOWS */
#ifndef WPA_BYTE_SWAP_DEFINED
#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) ((__force u16) (le16) (n))
#define host_to_le16(n) ((__force le16) (u16) (n))
#define be_to_host16(n) __builtin_bswap16((__force u16) (be16) (n))
#define host_to_be16(n) ((__force be16) __builtin_bswap16((n)))
#define le_to_host32(n) ((__force u32) (le32) (n))
#define host_to_le32(n) ((__force le32) (u32) (n))
#define be_to_host32(n) __builtin_bswap32((__force u32) (be32) (n))
#define host_to_be32(n) ((__force be32) __builtin_bswap32((n)))
#define le_to_host64(n) ((__force u64) (le64) (n))
#define host_to_le64(n) ((__force le64) (u64) (n))
#define be_to_host64(n) __builtin_bswap64((__force u64) (be64) (n))
#define host_to_be64(n) ((__force be64) __builtin_bswap64((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
#define WPA_BYTE_SWAP_DEFINED
#endif /* !WPA_BYTE_SWAP_DEFINED */
#define SSID_MAX_LEN 32
struct wpa_ssid_value {
u8 ssid[SSID_MAX_LEN];
size_t ssid_len;
};
/* Macros for handling unaligned memory accesses */
static inline u16 WPA_GET_BE16(const u8 *a)
{
return (a[0] << 8) | a[1];
}
static inline void WPA_PUT_BE16(u8 *a, u16 val)
{
a[0] = val >> 8;
a[1] = val & 0xff;
}
static inline u16 WPA_GET_LE16(const u8 *a)
{
return (a[1] << 8) | a[0];
}
static inline void WPA_PUT_LE16(u8 *a, u16 val)
{
a[1] = val >> 8;
a[0] = val & 0xff;
}
static inline u32 WPA_GET_BE24(const u8 *a)
{
return (a[0] << 16) | (a[1] << 8) | a[2];
}
static inline void WPA_PUT_BE24(u8 *a, u32 val)
{
a[0] = (val >> 16) & 0xff;
a[1] = (val >> 8) & 0xff;
a[2] = val & 0xff;
}
static inline u32 WPA_GET_BE32(const u8 *a)
{
return ((u32) a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3];
}
static inline void WPA_PUT_BE32(u8 *a, u32 val)
{
a[0] = (val >> 24) & 0xff;
a[1] = (val >> 16) & 0xff;
a[2] = (val >> 8) & 0xff;
a[3] = val & 0xff;
}
static inline u32 WPA_GET_LE32(const u8 *a)
{
return ((u32) a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0];
}
static inline void WPA_PUT_LE32(u8 *a, u32 val)
{
a[3] = (val >> 24) & 0xff;
a[2] = (val >> 16) & 0xff;
a[1] = (val >> 8) & 0xff;
a[0] = val & 0xff;
}
static inline u64 WPA_GET_BE64(const u8 *a)
{
return (((u64) a[0]) << 56) | (((u64) a[1]) << 48) |
(((u64) a[2]) << 40) | (((u64) a[3]) << 32) |
(((u64) a[4]) << 24) | (((u64) a[5]) << 16) |
(((u64) a[6]) << 8) | ((u64) a[7]);
}
static inline void WPA_PUT_BE64(u8 *a, u64 val)
{
a[0] = val >> 56;
a[1] = val >> 48;
a[2] = val >> 40;
a[3] = val >> 32;
a[4] = val >> 24;
a[5] = val >> 16;
a[6] = val >> 8;
a[7] = val & 0xff;
}
static inline u64 WPA_GET_LE64(const u8 *a)
{
return (((u64) a[7]) << 56) | (((u64) a[6]) << 48) |
(((u64) a[5]) << 40) | (((u64) a[4]) << 32) |
(((u64) a[3]) << 24) | (((u64) a[2]) << 16) |
(((u64) a[1]) << 8) | ((u64) a[0]);
}
static inline void WPA_PUT_LE64(u8 *a, u64 val)
{
a[7] = val >> 56;
a[6] = val >> 48;
a[5] = val >> 40;
a[4] = val >> 32;
a[3] = val >> 24;
a[2] = val >> 16;
a[1] = val >> 8;
a[0] = val & 0xff;
}
#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
#ifndef ETH_HLEN
#define ETH_HLEN 14
#endif
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef ETH_P_ALL
#define ETH_P_ALL 0x0003
#endif
#ifndef ETH_P_80211_ENCAP
#define ETH_P_80211_ENCAP 0x890d /* TDLS comes under this category */
#endif
#ifndef ETH_P_PAE
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */
#ifndef ETH_P_EAPOL
#define ETH_P_EAPOL ETH_P_PAE
#endif /* ETH_P_EAPOL */
#ifndef ETH_P_RSN_PREAUTH
#define ETH_P_RSN_PREAUTH 0x88c7
#endif /* ETH_P_RSN_PREAUTH */
#ifndef ETH_P_RRB
#define ETH_P_RRB 0x890D
#endif /* ETH_P_RRB */
#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
#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 */
#ifndef MAC2STR
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
/*
* Compact form for string representation of MAC address
* To be used, e.g., for constructing dbus paths for P2P Devices
*/
#define COMPACT_MACSTR "%02x%02x%02x%02x%02x%02x"
#endif
#ifndef BIT
#define BIT(x) (1U << (x))
#endif
#ifndef GET_BIT_POSITION
#define GET_BIT_POSITION(value) (__builtin_ffs(value) - 1)
#endif
/*
* Definitions for sparse validation
* (http://kernel.org/pub/linux/kernel/people/josh/sparse/)
*/
#ifdef __CHECKER__
#define __force __attribute__((force))
#define __bitwise __attribute__((bitwise))
#else
#define __force
#define __bitwise
#endif
typedef u16 __bitwise be16;
typedef u16 __bitwise le16;
typedef u32 __bitwise be32;
typedef u32 __bitwise le32;
typedef u64 __bitwise be64;
typedef u64 __bitwise le64;
#ifndef __must_check
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define __must_check __attribute__((__warn_unused_result__))
#else
#define __must_check
#endif /* __GNUC__ */
#endif /* __must_check */
#ifndef __maybe_unused
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define __maybe_unused __attribute__((unused))
#else
#define __maybe_unused
#endif /* __GNUC__ */
#endif /* __must_check */
#define SSID_MAX_LEN 32
int hwaddr_aton(const char *txt, u8 *addr);
int hwaddr_masked_aton(const char *txt, u8 *addr, u8 *mask, u8 maskable);
int hwaddr_compact_aton(const char *txt, u8 *addr);
int hwaddr_aton2(const char *txt, u8 *addr);
int hex2byte(const char *hex);
int hexstr2bin(const char *hex, u8 *buf, size_t len);
void inc_byte_array(u8 *counter, size_t len);
void buf_shift_right(u8 *buf, size_t len, size_t bits);
void wpa_get_ntp_timestamp(u8 *buf);
int wpa_scnprintf(char *buf, size_t size, const char *fmt, ...);
int wpa_snprintf_hex_sep(char *buf, size_t buf_size, const u8 *data, size_t len,
char sep);
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);
int hwaddr_mask_txt(char *buf, size_t len, const u8 *addr, const u8 *mask);
u8 rssi_to_rcpi(int rssi);
int os_reltime_expired(struct os_time *now,
struct os_time *ts,
os_time_t timeout_secs);
int os_reltime_initialized(struct os_reltime *t);
#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 */
void printf_encode(char *txt, size_t maxlen, const u8 *data, size_t len);
size_t printf_decode(u8 *buf, size_t maxlen, const char *str);
const char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len);
char * wpa_config_parse_string(const char *value, size_t *len);
int wpa_is_hex(const u8 *data, size_t len);
int has_ctrl_char(const u8 *data, size_t len);
size_t wpa_merge_byte_arrays(u8 *res, size_t res_len,
const u8 *src1, size_t src1_len,
const u8 *src2, size_t src2_len);
char * dup_binstr(const void *src, size_t len);
static inline int is_zero_ether_addr(const u8 *a)
{
return !(a[0] | a[1] | a[2] | a[3] | a[4] | a[5]);
}
static inline int is_broadcast_ether_addr(const u8 *a)
{
return (a[0] & a[1] & a[2] & a[3] & a[4] & a[5]) == 0xff;
}
static inline int is_multicast_ether_addr(const u8 *a)
{
return a[0] & 0x01;
}
#define broadcast_ether_addr (const u8 *) "\xff\xff\xff\xff\xff\xff"
#include "utils/wpa_debug.h"
struct wpa_freq_range_list {
struct wpa_freq_range {
unsigned int min;
unsigned int max;
} *range;
unsigned int num;
};
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#ifndef TEST_FAIL
#define TEST_FAIL() 0
#endif
size_t int_array_len(const int *a);
void bin_clear_free(void *bin, size_t len);
void str_clear_free(char *str);
char * get_param(const char *cmd, const char *param);
void * os_memdup(const void *src, size_t len);
/*
* gcc 4.4 ends up generating strict-aliasing warnings about some very common
* networking socket uses that do not really result in a real problem and
* cannot be easily avoided with union-based type-punning due to struct
* definitions including another struct in system header files. To avoid having
* to fully disable strict-aliasing warnings, provide a mechanism to hide the
* typecast from aliasing for now. A cleaner solution will hopefully be found
* in the future to handle these cases.
*/
void * __hide_aliasing_typecast(void *foo);
#define aliasing_hide_typecast(a,t) (t *) __hide_aliasing_typecast((a))
#ifdef CONFIG_VALGRIND
#include <valgrind/memcheck.h>
#define WPA_MEM_DEFINED(ptr, len) VALGRIND_MAKE_MEM_DEFINED((ptr), (len))
#else /* CONFIG_VALGRIND */
#define WPA_MEM_DEFINED(ptr, len) do { } while (0)
#endif /* CONFIG_VALGRIND */
#define IANA_SECP256R1 19
#define IANA_SECP384R1 20
#define IANA_SECP521R1 21
#endif /* COMMON_H */
#define GHZ_24_MAX_CHANNEL_COUNT 14
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