common.h revision d80a401aed31d06f261efd19223cf55d1a2a8228
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_supplicant/hostapd / common helper functions, etc. 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef COMMON_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define COMMON_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "os.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(__linux__) || defined(__GLIBC__) 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <endian.h> 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <byteswap.h> 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __linux__ */ 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \ 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt defined(__OpenBSD__) 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <sys/types.h> 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <sys/endian.h> 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BYTE_ORDER _BYTE_ORDER 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __LITTLE_ENDIAN _LITTLE_ENDIAN 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BIG_ENDIAN _BIG_ENDIAN 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __OpenBSD__ 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_16 swap16 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_32 swap32 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_64 swap64 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* __OpenBSD__ */ 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_16 bswap16 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_32 bswap32 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_64 bswap64 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __OpenBSD__ */ 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * defined(__DragonFly__) || defined(__OpenBSD__) */ 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __APPLE__ 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <sys/types.h> 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <machine/endian.h> 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BYTE_ORDER _BYTE_ORDER 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __LITTLE_ENDIAN _LITTLE_ENDIAN 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BIG_ENDIAN _BIG_ENDIAN 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned short bswap_16(unsigned short v) 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 8) | (v >> 8); 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned int bswap_32(unsigned int v) 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((v & 0xff0000) >> 8) | (v >> 24); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __APPLE__ */ 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NATIVE_WINDOWS 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <winsock.h> 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int socklen_t; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MSG_DONTWAIT 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MSG_DONTWAIT 0 /* not supported */ 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline __inline 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef vsnprintf 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define vsnprintf _vsnprintf 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef close 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define close closesocket 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Define platform specific integer types */ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT64 u64; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT32 u32; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT16 u16; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT8 u8; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT64 s64; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT32 s32; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT16 s16; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT8 s8; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __vxworks 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef unsigned long long u64; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT32 u32; 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT16 u16; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT8 u8; 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef long long s64; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT32 s32; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT16 s16; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT8 s8; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __vxworks */ 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_TYPES_DEFINED 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_USE_INTTYPES_H 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <inttypes.h> 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <stdint.h> 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint64_t u64; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint32_t u32; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint16_t u16; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint8_t u8; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int64_t s64; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int32_t s32; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int16_t s16; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int8_t s8; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !WPA_TYPES_DEFINED */ 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Define platform specific byte swapping macros */ 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS) 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned short wpa_swap_16(unsigned short v) 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 8) | (v >> 8); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned int wpa_swap_32(unsigned int v) 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((v & 0xff0000) >> 8) | (v >> 24); 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) (n) 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) (n) 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) wpa_swap_16(n) 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) wpa_swap_16(n) 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) (n) 141ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt#define host_to_le32(n) (n) 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) wpa_swap_32(n) 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) wpa_swap_32(n) 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_BYTE_SWAP_DEFINED 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __CYGWIN__ || CONFIG_NATIVE_WINDOWS */ 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_BYTE_SWAP_DEFINED 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __BYTE_ORDER 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __LITTLE_ENDIAN 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __BIG_ENDIAN 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __LITTLE_ENDIAN 1234 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BIG_ENDIAN 4321 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(sparc) 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BYTE_ORDER __BIG_ENDIAN 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __BIG_ENDIAN */ 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __LITTLE_ENDIAN */ 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __BYTE_ORDER */ 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __BYTE_ORDER == __LITTLE_ENDIAN 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) ((__force u16) (le16) (n)) 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) ((__force le16) (u16) (n)) 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) bswap_16((__force u16) (be16) (n)) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) ((__force be16) bswap_16((n))) 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) ((__force u32) (le32) (n)) 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le32(n) ((__force le32) (u32) (n)) 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) bswap_32((__force u32) (be32) (n)) 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) ((__force be32) bswap_32((n))) 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host64(n) ((__force u64) (le64) (n)) 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le64(n) ((__force le64) (u64) (n)) 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host64(n) bswap_64((__force u64) (be64) (n)) 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be64(n) ((__force be64) bswap_64((n))) 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#elif __BYTE_ORDER == __BIG_ENDIAN 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) bswap_16(n) 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) bswap_16(n) 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) (n) 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) (n) 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) bswap_32(n) 183c2ebb4b85d69b65f552fee71ac68f44e8d87b39eDmitry Shmidt#define host_to_le32(n) bswap_32(n) 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) (n) 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) (n) 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host64(n) bswap_64(n) 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le64(n) bswap_64(n) 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host64(n) (n) 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be64(n) (n) 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WORDS_BIGENDIAN 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WORDS_BIGENDIAN 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#error Could not determine CPU byte order 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_BYTE_SWAP_DEFINED 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !WPA_BYTE_SWAP_DEFINED */ 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Macros for handling unaligned memory accesses */ 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 203a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u16 WPA_GET_BE16(const u8 *a) 204a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 205a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[0] << 8) | a[1]; 206a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 207a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 208a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE16(u8 *a, u16 val) 209a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 210a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val >> 8; 211a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val & 0xff; 212a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 213a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 214a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u16 WPA_GET_LE16(const u8 *a) 215a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 216a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[1] << 8) | a[0]; 217a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 218a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 219a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE16(u8 *a, u16 val) 220a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 221a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 8; 222a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 223a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 224a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 225a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_BE24(const u8 *a) 226a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 227a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[0] << 16) | (a[1] << 8) | a[2]; 228a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 229a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 230a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE24(u8 *a, u32 val) 231a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 232a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = (val >> 16) & 0xff; 233a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 8) & 0xff; 234a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val & 0xff; 235a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 236a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 237a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_BE32(const u8 *a) 238a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 239d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return ((u32) a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]; 240a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 241a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 242a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE32(u8 *a, u32 val) 243a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 244a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = (val >> 24) & 0xff; 245a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 16) & 0xff; 246a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = (val >> 8) & 0xff; 247a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val & 0xff; 248a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 249a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 250a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_LE32(const u8 *a) 251a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 252d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return ((u32) a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]; 253a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 254a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 255a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE32(u8 *a, u32 val) 256a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 257a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = (val >> 24) & 0xff; 258a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = (val >> 16) & 0xff; 259a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 8) & 0xff; 260a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 261a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 262a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 263a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u64 WPA_GET_BE64(const u8 *a) 264a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 265a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (((u64) a[0]) << 56) | (((u64) a[1]) << 48) | 266a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[2]) << 40) | (((u64) a[3]) << 32) | 267a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[4]) << 24) | (((u64) a[5]) << 16) | 268a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[6]) << 8) | ((u64) a[7]); 269a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 270a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 271a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE64(u8 *a, u64 val) 272a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 273a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val >> 56; 274a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 48; 275a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val >> 40; 276a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val >> 32; 277a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[4] = val >> 24; 278a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[5] = val >> 16; 279a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[6] = val >> 8; 280a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[7] = val & 0xff; 281a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 282a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 283a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u64 WPA_GET_LE64(const u8 *a) 284a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 285a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (((u64) a[7]) << 56) | (((u64) a[6]) << 48) | 286a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[5]) << 40) | (((u64) a[4]) << 32) | 287a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[3]) << 24) | (((u64) a[2]) << 16) | 288a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[1]) << 8) | ((u64) a[0]); 289a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 290a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 291a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE64(u8 *a, u64 val) 292a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 293a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[7] = val >> 56; 294a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[6] = val >> 48; 295a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[5] = val >> 40; 296a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[4] = val >> 32; 297a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val >> 24; 298a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val >> 16; 299a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 8; 300a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 301a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_ALEN 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_ALEN 6 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#ifndef ETH_HLEN 3086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#define ETH_HLEN 14 3096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#endif 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef IFNAMSIZ 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IFNAMSIZ 16 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_ALL 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_ALL 0x0003 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_80211_ENCAP 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_80211_ENCAP 0x890d /* TDLS comes under this category */ 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_PAE 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_PAE */ 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_EAPOL 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_EAPOL ETH_P_PAE 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_EAPOL */ 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_RSN_PREAUTH 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_RSN_PREAUTH 0x88c7 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_RSN_PREAUTH */ 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_RRB 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_RRB 0x890D 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_RRB */ 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __GNUC__ 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b)))) 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STRUCT_PACKED __attribute__ ((packed)) 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PRINTF_FORMAT(a,b) 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STRUCT_PACKED 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_ANSI_C_EXTRA 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if !defined(_MSC_VER) || _MSC_VER < 1400 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* snprintf - used in number of places; sprintf() is _not_ a good replacement 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * due to possible buffer overflow; see, e.g., 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * http://www.ijs.si/software/snprintf/ for portable implementation of 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * snprintf. */ 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint snprintf(char *str, size_t size, const char *format, ...); 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* vsnprintf - only used for wpa_msg() in wpa_supplicant.c */ 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint vsnprintf(char *str, size_t size, const char *format, va_list ap); 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !defined(_MSC_VER) || _MSC_VER < 1400 */ 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* getopt - only used in main.c */ 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint getopt(int argc, char *const argv[], const char *optstring); 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtextern char *optarg; 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtextern int optind; 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_SOCKLEN_T_TYPEDEF 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __socklen_t_defined 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int socklen_t; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* inline - define as __inline or just define it to be empty, if needed */ 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NO_INLINE 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline __inline 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __func__ 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __func__ "__func__ not defined" 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef bswap_16 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_16(a) ((((u16) (a) << 8) & 0xff00) | (((u16) (a) >> 8) & 0xff)) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef bswap_32 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_32(a) ((((u32) (a) << 24) & 0xff000000) | \ 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) << 8) & 0xff0000) | \ 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) >> 8) & 0xff00) | \ 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) >> 24) & 0xff)) 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MSG_DONTWAIT 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MSG_DONTWAIT 0 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _WIN32_WCE 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid perror(const char *s); 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _WIN32_WCE */ 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_ANSI_C_EXTRA */ 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MAC2STR 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5] 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x" 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Compact form for string representation of MAC address 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * To be used, e.g., for constructing dbus paths for P2P Devices 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define COMPACT_MACSTR "%02x%02x%02x%02x%02x%02x" 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef BIT 410d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#define BIT(x) (1U << (x)) 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Definitions for sparse validation 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (http://kernel.org/pub/linux/kernel/people/josh/sparse/) 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __CHECKER__ 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __force __attribute__((force)) 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __bitwise __attribute__((bitwise)) 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __force 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __bitwise 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u16 __bitwise be16; 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u16 __bitwise le16; 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u32 __bitwise be32; 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u32 __bitwise le32; 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u64 __bitwise be64; 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u64 __bitwise le64; 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __must_check 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __must_check __attribute__((__warn_unused_result__)) 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __must_check 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __GNUC__ */ 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __must_check */ 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 440fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifndef __maybe_unused 441fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 442fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#define __maybe_unused __attribute__((unused)) 443fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#else 444fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#define __maybe_unused 445fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* __GNUC__ */ 446fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* __must_check */ 447fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton(const char *txt, u8 *addr); 449ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidtint hwaddr_masked_aton(const char *txt, u8 *addr, u8 *mask, u8 maskable); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_compact_aton(const char *txt, u8 *addr); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton2(const char *txt, u8 *addr); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hex2byte(const char *hex); 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hexstr2bin(const char *hex, u8 *buf, size_t len); 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid inc_byte_array(u8 *counter, size_t len); 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_get_ntp_timestamp(u8 *buf); 4566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_scnprintf(char *buf, size_t size, const char *fmt, ...); 457af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidtint wpa_snprintf_hex_sep(char *buf, size_t buf_size, const u8 *data, size_t len, 458af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt char sep); 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len); 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data, 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len); 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 463ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidtint hwaddr_mask_txt(char *buf, size_t len, const u8 *addr, const u8 *mask); 464ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NATIVE_WINDOWS 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_unicode2ascii_inplace(TCHAR *str); 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtTCHAR * wpa_strdup_tchar(const char *str); 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NATIVE_WINDOWS */ 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define wpa_unicode2ascii_inplace(s) do { } while (0) 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define wpa_strdup_tchar(s) strdup((s)) 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 47361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtvoid printf_encode(char *txt, size_t maxlen, const u8 *data, size_t len); 47461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t printf_decode(u8 *buf, size_t maxlen, const char *str); 47561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len); 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 47861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtchar * wpa_config_parse_string(const char *value, size_t *len); 47961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint is_hex(const u8 *data, size_t len); 48061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t merge_byte_arrays(u8 *res, size_t res_len, 48161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src1, size_t src1_len, 48261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src2, size_t src2_len); 4834b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtchar * dup_binstr(const void *src, size_t len); 48461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int is_zero_ether_addr(const u8 *a) 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return !(a[0] | a[1] | a[2] | a[3] | a[4] | a[5]); 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int is_broadcast_ether_addr(const u8 *a) 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (a[0] & a[1] & a[2] & a[3] & a[4] & a[5]) == 0xff; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 495d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstatic inline int is_multicast_ether_addr(const u8 *a) 496d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt{ 497d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return a[0] & 0x01; 498d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt} 499d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define broadcast_ether_addr (const u8 *) "\xff\xff\xff\xff\xff\xff" 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_debug.h" 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5054ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtstruct wpa_freq_range_list { 5064ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt struct wpa_freq_range { 5074ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int min; 5084ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int max; 5094ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } *range; 5104ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int num; 5114ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt}; 5124ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 5134ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_parse(struct wpa_freq_range_list *res, const char *value); 5144ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_includes(const struct wpa_freq_range_list *list, 5154ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int freq); 5164ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtchar * freq_range_list_str(const struct wpa_freq_range_list *list); 5174ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 518fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint int_array_len(const int *a); 519fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_concat(int **res, const int *a); 520fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_sort_unique(int *a); 521fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_add_unique(int **res, int a); 522fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 52368d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 52468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt 525c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid str_clear_free(char *str); 526c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid bin_clear_free(void *bin, size_t len); 527c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 528661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr(u8 *addr); 529661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr_keep_oui(u8 *addr); 530661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 531d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtconst char * cstr_token(const char *str, const char *delim, const char **last); 5326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtchar * str_token(char *str, const char *delim, char **context); 533216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidtsize_t utf8_escape(const char *inp, size_t in_size, 534216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt char *outp, size_t out_size); 535216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidtsize_t utf8_unescape(const char *inp, size_t in_size, 536216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt char *outp, size_t out_size); 5379d9e60286e05ae45025b672636490bd12586138dDmitry Shmidtint is_ctrl_char(char c); 5386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 539c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * gcc 4.4 ends up generating strict-aliasing warnings about some very common 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * networking socket uses that do not really result in a real problem and 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cannot be easily avoided with union-based type-punning due to struct 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * definitions including another struct in system header files. To avoid having 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fully disable strict-aliasing warnings, provide a mechanism to hide the 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * typecast from aliasing for now. A cleaner solution will hopefully be found 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * in the future to handle these cases. 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid * __hide_aliasing_typecast(void *foo); 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define aliasing_hide_typecast(a,t) (t *) __hide_aliasing_typecast((a)) 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_VALGRIND 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <valgrind/memcheck.h> 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_MEM_DEFINED(ptr, len) VALGRIND_MAKE_MEM_DEFINED((ptr), (len)) 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_VALGRIND */ 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_MEM_DEFINED(ptr, len) do { } while (0) 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_VALGRIND */ 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* COMMON_H */ 560