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 56d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#ifdef __rtems__ 57d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#include <rtems/endian.h> 58d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define __BYTE_ORDER BYTE_ORDER 59d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define __LITTLE_ENDIAN LITTLE_ENDIAN 60d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define __BIG_ENDIAN BIG_ENDIAN 61d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define bswap_16 CPU_swap_u16 62d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define bswap_32 CPU_swap_u32 63d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#endif /* __rtems__ */ 64d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NATIVE_WINDOWS 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <winsock.h> 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int socklen_t; 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MSG_DONTWAIT 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MSG_DONTWAIT 0 /* not supported */ 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline __inline 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef vsnprintf 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define vsnprintf _vsnprintf 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef close 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define close closesocket 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Define platform specific integer types */ 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT64 u64; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT32 u32; 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT16 u16; 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT8 u8; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT64 s64; 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT32 s32; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT16 s16; 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT8 s8; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __vxworks 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef unsigned long long u64; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT32 u32; 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT16 u16; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef UINT8 u8; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef long long s64; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT32 s32; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT16 s16; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef INT8 s8; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __vxworks */ 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_TYPES_DEFINED 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_USE_INTTYPES_H 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <inttypes.h> 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <stdint.h> 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint64_t u64; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint32_t u32; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint16_t u16; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef uint8_t u8; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int64_t s64; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int32_t s32; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int16_t s16; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int8_t s8; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_TYPES_DEFINED 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !WPA_TYPES_DEFINED */ 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Define platform specific byte swapping macros */ 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS) 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned short wpa_swap_16(unsigned short v) 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 8) | (v >> 8); 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline unsigned int wpa_swap_32(unsigned int v) 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((v & 0xff0000) >> 8) | (v >> 24); 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) (n) 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) (n) 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) wpa_swap_16(n) 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) wpa_swap_16(n) 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) (n) 150ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt#define host_to_le32(n) (n) 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) wpa_swap_32(n) 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) wpa_swap_32(n) 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_BYTE_SWAP_DEFINED 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __CYGWIN__ || CONFIG_NATIVE_WINDOWS */ 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_BYTE_SWAP_DEFINED 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __BYTE_ORDER 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __LITTLE_ENDIAN 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __BIG_ENDIAN 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __LITTLE_ENDIAN 1234 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BIG_ENDIAN 4321 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(sparc) 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __BYTE_ORDER __BIG_ENDIAN 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __BIG_ENDIAN */ 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __LITTLE_ENDIAN */ 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __BYTE_ORDER */ 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __BYTE_ORDER == __LITTLE_ENDIAN 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) ((__force u16) (le16) (n)) 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) ((__force le16) (u16) (n)) 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) bswap_16((__force u16) (be16) (n)) 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) ((__force be16) bswap_16((n))) 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) ((__force u32) (le32) (n)) 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le32(n) ((__force le32) (u32) (n)) 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) bswap_32((__force u32) (be32) (n)) 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) ((__force be32) bswap_32((n))) 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host64(n) ((__force u64) (le64) (n)) 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le64(n) ((__force le64) (u64) (n)) 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host64(n) bswap_64((__force u64) (be64) (n)) 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be64(n) ((__force be64) bswap_64((n))) 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#elif __BYTE_ORDER == __BIG_ENDIAN 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host16(n) bswap_16(n) 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le16(n) bswap_16(n) 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host16(n) (n) 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be16(n) (n) 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host32(n) bswap_32(n) 192c2ebb4b85d69b65f552fee71ac68f44e8d87b39eDmitry Shmidt#define host_to_le32(n) bswap_32(n) 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host32(n) (n) 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be32(n) (n) 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define le_to_host64(n) bswap_64(n) 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_le64(n) bswap_64(n) 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define be_to_host64(n) (n) 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define host_to_be64(n) (n) 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WORDS_BIGENDIAN 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WORDS_BIGENDIAN 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#error Could not determine CPU byte order 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_BYTE_SWAP_DEFINED 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !WPA_BYTE_SWAP_DEFINED */ 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Macros for handling unaligned memory accesses */ 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 212a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u16 WPA_GET_BE16(const u8 *a) 213a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 214a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[0] << 8) | a[1]; 215a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 216a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 217a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE16(u8 *a, u16 val) 218a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 219a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val >> 8; 220a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val & 0xff; 221a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 222a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 223a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u16 WPA_GET_LE16(const u8 *a) 224a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 225a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[1] << 8) | a[0]; 226a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 227a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 228a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE16(u8 *a, u16 val) 229a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 230a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 8; 231a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 232a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 233a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 234a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_BE24(const u8 *a) 235a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 236a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (a[0] << 16) | (a[1] << 8) | a[2]; 237a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 238a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 239a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE24(u8 *a, u32 val) 240a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 241a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = (val >> 16) & 0xff; 242a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 8) & 0xff; 243a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val & 0xff; 244a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 245a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 246a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_BE32(const u8 *a) 247a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 248d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return ((u32) a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]; 249a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 250a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 251a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE32(u8 *a, u32 val) 252a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 253a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = (val >> 24) & 0xff; 254a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 16) & 0xff; 255a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = (val >> 8) & 0xff; 256a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val & 0xff; 257a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 258a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 259a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u32 WPA_GET_LE32(const u8 *a) 260a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 261d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return ((u32) a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]; 262a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 263a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 264a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE32(u8 *a, u32 val) 265a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 266a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = (val >> 24) & 0xff; 267a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = (val >> 16) & 0xff; 268a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = (val >> 8) & 0xff; 269a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 270a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 271a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 272a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u64 WPA_GET_BE64(const u8 *a) 273a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 274a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (((u64) a[0]) << 56) | (((u64) a[1]) << 48) | 275a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[2]) << 40) | (((u64) a[3]) << 32) | 276a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[4]) << 24) | (((u64) a[5]) << 16) | 277a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[6]) << 8) | ((u64) a[7]); 278a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 279a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 280a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_BE64(u8 *a, u64 val) 281a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 282a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val >> 56; 283a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 48; 284a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val >> 40; 285a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val >> 32; 286a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[4] = val >> 24; 287a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[5] = val >> 16; 288a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[6] = val >> 8; 289a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[7] = val & 0xff; 290a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 291a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 292a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline u64 WPA_GET_LE64(const u8 *a) 293a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 294a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return (((u64) a[7]) << 56) | (((u64) a[6]) << 48) | 295a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[5]) << 40) | (((u64) a[4]) << 32) | 296a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[3]) << 24) | (((u64) a[2]) << 16) | 297a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (((u64) a[1]) << 8) | ((u64) a[0]); 298a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 299a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 300a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic inline void WPA_PUT_LE64(u8 *a, u64 val) 301a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 302a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[7] = val >> 56; 303a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[6] = val >> 48; 304a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[5] = val >> 40; 305a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[4] = val >> 32; 306a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[3] = val >> 24; 307a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[2] = val >> 16; 308a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[1] = val >> 8; 309a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt a[0] = val & 0xff; 310a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_ALEN 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_ALEN 6 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#ifndef ETH_HLEN 3176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#define ETH_HLEN 14 3186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#endif 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef IFNAMSIZ 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IFNAMSIZ 16 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_ALL 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_ALL 0x0003 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 325e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt#ifndef ETH_P_IP 326e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt#define ETH_P_IP 0x0800 327e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt#endif 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_80211_ENCAP 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_80211_ENCAP 0x890d /* TDLS comes under this category */ 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_PAE 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_PAE */ 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_EAPOL 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_EAPOL ETH_P_PAE 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_EAPOL */ 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_RSN_PREAUTH 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_RSN_PREAUTH 0x88c7 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_RSN_PREAUTH */ 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef ETH_P_RRB 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ETH_P_RRB 0x890D 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ETH_P_RRB */ 343d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#ifndef ETH_P_OUI 344d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#define ETH_P_OUI 0x88B7 345d2986c2e737a8441ff5a791b6b56c1c8322ef3c9Dmitry Shmidt#endif /* ETH_P_OUI */ 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __GNUC__ 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b)))) 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STRUCT_PACKED __attribute__ ((packed)) 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PRINTF_FORMAT(a,b) 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STRUCT_PACKED 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_ANSI_C_EXTRA 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if !defined(_MSC_VER) || _MSC_VER < 1400 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* snprintf - used in number of places; sprintf() is _not_ a good replacement 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * due to possible buffer overflow; see, e.g., 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * http://www.ijs.si/software/snprintf/ for portable implementation of 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * snprintf. */ 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint snprintf(char *str, size_t size, const char *format, ...); 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* vsnprintf - only used for wpa_msg() in wpa_supplicant.c */ 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint vsnprintf(char *str, size_t size, const char *format, va_list ap); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* !defined(_MSC_VER) || _MSC_VER < 1400 */ 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* getopt - only used in main.c */ 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint getopt(int argc, char *const argv[], const char *optstring); 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtextern char *optarg; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtextern int optind; 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_SOCKLEN_T_TYPEDEF 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __socklen_t_defined 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef int socklen_t; 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* inline - define as __inline or just define it to be empty, if needed */ 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NO_INLINE 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define inline __inline 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __func__ 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __func__ "__func__ not defined" 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef bswap_16 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_16(a) ((((u16) (a) << 8) & 0xff00) | (((u16) (a) >> 8) & 0xff)) 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef bswap_32 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define bswap_32(a) ((((u32) (a) << 24) & 0xff000000) | \ 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) << 8) & 0xff0000) | \ 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) >> 8) & 0xff00) | \ 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (((u32) (a) >> 24) & 0xff)) 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MSG_DONTWAIT 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MSG_DONTWAIT 0 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _WIN32_WCE 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid perror(const char *s); 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _WIN32_WCE */ 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_ANSI_C_EXTRA */ 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef MAC2STR 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5] 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x" 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Compact form for string representation of MAC address 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * To be used, e.g., for constructing dbus paths for P2P Devices 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define COMPACT_MACSTR "%02x%02x%02x%02x%02x%02x" 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef BIT 425d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#define BIT(x) (1U << (x)) 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Definitions for sparse validation 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (http://kernel.org/pub/linux/kernel/people/josh/sparse/) 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef __CHECKER__ 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __force __attribute__((force)) 4344ae50e65ef0eefe6d5c356acbc1839f8eac68af5Dmitry Shmidt#undef __bitwise 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __bitwise __attribute__((bitwise)) 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __force 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __bitwise 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u16 __bitwise be16; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u16 __bitwise le16; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u32 __bitwise be32; 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u32 __bitwise le32; 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u64 __bitwise be64; 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef u64 __bitwise le64; 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef __must_check 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __must_check __attribute__((__warn_unused_result__)) 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define __must_check 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __GNUC__ */ 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* __must_check */ 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 456fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifndef __maybe_unused 457fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 458fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#define __maybe_unused __attribute__((unused)) 459fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#else 460fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#define __maybe_unused 461fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* __GNUC__ */ 462fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* __must_check */ 463fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 464849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt#define SSID_MAX_LEN 32 465849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt 466849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidtstruct wpa_ssid_value { 467849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt u8 ssid[SSID_MAX_LEN]; 468849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt size_t ssid_len; 469849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt}; 470849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton(const char *txt, u8 *addr); 472ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidtint hwaddr_masked_aton(const char *txt, u8 *addr, u8 *mask, u8 maskable); 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_compact_aton(const char *txt, u8 *addr); 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton2(const char *txt, u8 *addr); 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hex2byte(const char *hex); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hexstr2bin(const char *hex, u8 *buf, size_t len); 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid inc_byte_array(u8 *counter, size_t len); 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_get_ntp_timestamp(u8 *buf); 4796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_scnprintf(char *buf, size_t size, const char *fmt, ...); 480af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidtint wpa_snprintf_hex_sep(char *buf, size_t buf_size, const u8 *data, size_t len, 481af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt char sep); 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len); 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data, 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len); 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 486ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidtint hwaddr_mask_txt(char *buf, size_t len, const u8 *addr, const u8 *mask); 487849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidtint ssid_parse(const char *buf, struct wpa_ssid_value *ssid); 488ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NATIVE_WINDOWS 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_unicode2ascii_inplace(TCHAR *str); 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtTCHAR * wpa_strdup_tchar(const char *str); 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NATIVE_WINDOWS */ 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define wpa_unicode2ascii_inplace(s) do { } while (0) 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define wpa_strdup_tchar(s) strdup((s)) 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 49761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtvoid printf_encode(char *txt, size_t maxlen, const u8 *data, size_t len); 49861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t printf_decode(u8 *buf, size_t maxlen, const char *str); 49961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 50261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtchar * wpa_config_parse_string(const char *value, size_t *len); 50361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint is_hex(const u8 *data, size_t len); 504849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidtint has_ctrl_char(const u8 *data, size_t len); 505849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidtint has_newline(const char *str); 50661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t merge_byte_arrays(u8 *res, size_t res_len, 50761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src1, size_t src1_len, 50861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src2, size_t src2_len); 5094b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtchar * dup_binstr(const void *src, size_t len); 51061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int is_zero_ether_addr(const u8 *a) 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return !(a[0] | a[1] | a[2] | a[3] | a[4] | a[5]); 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int is_broadcast_ether_addr(const u8 *a) 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (a[0] & a[1] & a[2] & a[3] & a[4] & a[5]) == 0xff; 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 521d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstatic inline int is_multicast_ether_addr(const u8 *a) 522d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt{ 523d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return a[0] & 0x01; 524d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt} 525d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define broadcast_ether_addr (const u8 *) "\xff\xff\xff\xff\xff\xff" 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_debug.h" 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5314ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtstruct wpa_freq_range_list { 5324ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt struct wpa_freq_range { 5334ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int min; 5344ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int max; 5354ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } *range; 5364ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int num; 5374ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt}; 5384ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 5394ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_parse(struct wpa_freq_range_list *res, const char *value); 5404ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_includes(const struct wpa_freq_range_list *list, 5414ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int freq); 5424ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtchar * freq_range_list_str(const struct wpa_freq_range_list *list); 5434ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 544fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint int_array_len(const int *a); 545fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_concat(int **res, const int *a); 546fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_sort_unique(int *a); 547fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_add_unique(int **res, int a); 548fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 54968d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 55068d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt 551c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid str_clear_free(char *str); 552c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid bin_clear_free(void *bin, size_t len); 553c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 554661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr(u8 *addr); 555661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr_keep_oui(u8 *addr); 556661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 557d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtconst char * cstr_token(const char *str, const char *delim, const char **last); 5586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtchar * str_token(char *str, const char *delim, char **context); 559216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidtsize_t utf8_escape(const char *inp, size_t in_size, 560216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt char *outp, size_t out_size); 561216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidtsize_t utf8_unescape(const char *inp, size_t in_size, 562216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt char *outp, size_t out_size); 5639d9e60286e05ae45025b672636490bd12586138dDmitry Shmidtint is_ctrl_char(char c); 5646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5657f2c753f60025528366b5f19b8b490a47bf5080bDmitry Shmidtint str_starts(const char *str, const char *start); 5667f2c753f60025528366b5f19b8b490a47bf5080bDmitry Shmidt 567293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidtu8 rssi_to_rcpi(int rssi); 568c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * gcc 4.4 ends up generating strict-aliasing warnings about some very common 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * networking socket uses that do not really result in a real problem and 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cannot be easily avoided with union-based type-punning due to struct 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * definitions including another struct in system header files. To avoid having 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fully disable strict-aliasing warnings, provide a mechanism to hide the 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * typecast from aliasing for now. A cleaner solution will hopefully be found 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * in the future to handle these cases. 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid * __hide_aliasing_typecast(void *foo); 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define aliasing_hide_typecast(a,t) (t *) __hide_aliasing_typecast((a)) 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_VALGRIND 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <valgrind/memcheck.h> 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_MEM_DEFINED(ptr, len) VALGRIND_MAKE_MEM_DEFINED((ptr), (len)) 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_VALGRIND */ 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_MEM_DEFINED(ptr, len) do { } while (0) 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_VALGRIND */ 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* COMMON_H */ 589