common.c revision 6c0da2bb83f6915d8260912362692d1a742e057b
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#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hex2num(char c) 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (c >= '0' && c <= '9') 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return c - '0'; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (c >= 'a' && c <= 'f') 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return c - 'a' + 10; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (c >= 'A' && c <= 'F') 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return c - 'A' + 10; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hex2byte(const char *hex) 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int a, b; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = hex2num(*hex++); 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (a < 0) 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt b = hex2num(*hex++); 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (b < 0) 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (a << 4) | b; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hwaddr_aton - Convert ASCII string to MAC address (colon-delimited format) 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @txt: MAC address as a string (e.g., "00:11:22:33:44:55") 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes) 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., string not a MAC address) 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton(const char *txt, u8 *addr) 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 6; i++) { 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int a, b; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = hex2num(*txt++); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (a < 0) 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt b = hex2num(*txt++); 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (b < 0) 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *addr++ = (a << 4) | b; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i < 5 && *txt++ != ':') 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hwaddr_compact_aton - Convert ASCII string to MAC address (no colon delimitors format) 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @txt: MAC address as a string (e.g., "001122334455") 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes) 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., string not a MAC address) 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_compact_aton(const char *txt, u8 *addr) 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 6; i++) { 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int a, b; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = hex2num(*txt++); 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (a < 0) 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt b = hex2num(*txt++); 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (b < 0) 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *addr++ = (a << 4) | b; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hwaddr_aton2 - Convert ASCII string to MAC address (in any known format) 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @txt: MAC address as a string (e.g., 00:11:22:33:44:55 or 0011.2233.4455) 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes) 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Characters used (> 0) on success, -1 on failure 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hwaddr_aton2(const char *txt, u8 *addr) 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *pos = txt; 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 6; i++) { 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int a, b; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (*pos == ':' || *pos == '.' || *pos == '-') 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos++; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = hex2num(*pos++); 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (a < 0) 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt b = hex2num(*pos++); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (b < 0) 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *addr++ = (a << 4) | b; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - txt; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hexstr2bin - Convert ASCII hex string into binary data 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hex: ASCII hex string (e.g., "01ab") 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for the binary data 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the text to convert in bytes (of buf); hex will be double 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * this size 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (invalid hex string) 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hexstr2bin(const char *hex, u8 *buf, size_t len) 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int a; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *ipos = hex; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *opos = buf; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < len; i++) { 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = hex2byte(ipos); 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (a < 0) 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *opos++ = a; 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ipos += 2; 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * inc_byte_array - Increment arbitrary length byte array by one 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @counter: Pointer to byte array 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the counter in bytes 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function increments the last byte of the counter by one and continues 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * rolling over to more significant bytes if the byte was incremented from 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 0xff to 0x00. 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid inc_byte_array(u8 *counter, size_t len) 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pos = len - 1; 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pos >= 0) { 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt counter[pos]++; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (counter[pos] != 0) 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos--; 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_get_ntp_timestamp(u8 *buf) 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 sec, usec; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt be32 tmp; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 64-bit NTP timestamp (time from 1900-01-01 00:00:00) */ 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sec = now.sec + 2208988800U; /* Epoch to 1900 */ 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Estimate 2^32/10^6 = 4295 - 1/32 - 1/512 */ 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt usec = now.usec; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt usec = 4295 * usec - (usec >> 5) - (usec >> 9); 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp = host_to_be32(sec); 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(buf, (u8 *) &tmp, 4); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp = host_to_be32(usec); 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(buf + 4, (u8 *) &tmp, 4); 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 1876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_scnprintf - Simpler-to-use snprintf function 1886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @buf: Output buffer 1896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @size: Buffer size 1906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @fmt: format 1916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * 1926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Simpler snprintf version that doesn't require further error checks - the 1936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * return value only indicates how many bytes were actually written, excluding 1946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * the NULL byte (i.e., 0 on error, size-1 if buffer is not big enough). 1956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 1966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_scnprintf(char *buf, size_t size, const char *fmt, ...) 1976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 1986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt va_list ap; 1996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt int ret; 2006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!size) 2026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 0; 2036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt va_start(ap, fmt); 2056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = vsnprintf(buf, size, fmt, ap); 2066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt va_end(ap); 2076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ret < 0) 2096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 0; 2106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if ((size_t) ret >= size) 2116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return size - 1; 2126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return ret; 2146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int _wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len, int uppercase) 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *pos = buf, *end = buf + buf_size; 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf_size == 0) 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < len; i++) { 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, uppercase ? "%02X" : "%02x", 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data[i]); 2276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (os_snprintf_error(end - pos, ret)) { 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end[-1] = '\0'; 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end[-1] = '\0'; 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_snprintf_hex - Print data as a hex string into a buffer 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Memory area to use as the output buffer 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1) 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Data to be printed 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of data in bytes 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len) 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return _wpa_snprintf_hex(buf, buf_size, data, len, 0); 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_snprintf_hex_uppercase - Print data as a upper case hex string into buf 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Memory area to use as the output buffer 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1) 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Data to be printed 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of data in bytes 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data, 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return _wpa_snprintf_hex(buf, buf_size, data, len, 1); 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_ANSI_C_EXTRA 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _WIN32_WCE 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid perror(const char *s) 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "%s: GetLastError: %d", 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s, (int) GetLastError()); 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _WIN32_WCE */ 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint optind = 1; 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint optopt; 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtchar *optarg; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint getopt(int argc, char *const argv[], const char *optstring) 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt static int optchr = 1; 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *cp; 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (optchr == 1) { 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (optind >= argc) { 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* all arguments processed */ 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return EOF; 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (argv[optind][0] != '-' || argv[optind][1] == '\0') { 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* no option characters */ 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return EOF; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_strcmp(argv[optind], "--") == 0) { 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* no more options */ 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optind++; 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return EOF; 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optopt = argv[optind][optchr]; 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cp = os_strchr(optstring, optopt); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cp == NULL || optopt == ':') { 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (argv[optind][++optchr] == '\0') { 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optchr = 1; 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optind++; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return '?'; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cp[1] == ':') { 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Argument required */ 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optchr = 1; 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (argv[optind][optchr + 1]) { 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* No space between option and argument */ 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optarg = &argv[optind++][optchr + 1]; 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (++optind >= argc) { 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* option requires an argument */ 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return '?'; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Argument in the next argv */ 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optarg = argv[optind++]; 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* No argument */ 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (argv[optind][++optchr] == '\0') { 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optchr = 1; 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optind++; 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt optarg = NULL; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return *cp; 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_ANSI_C_EXTRA */ 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NATIVE_WINDOWS 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_unicode2ascii_inplace - Convert unicode string into ASCII 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @str: Pointer to string to convert 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function converts a unicode string to ASCII using the same 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * buffer for output. If UNICODE is not set, the buffer is not 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * modified. 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_unicode2ascii_inplace(TCHAR *str) 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef UNICODE 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *dst = (char *) str; 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (*str) 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *dst++ = (char) *str++; 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *dst = '\0'; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* UNICODE */ 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtTCHAR * wpa_strdup_tchar(const char *str) 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef UNICODE 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TCHAR *buf; 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = os_malloc((strlen(str) + 1) * sizeof(TCHAR)); 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wsprintf(buf, L"%S", str); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return buf; 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* UNICODE */ 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return os_strdup(str); 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* UNICODE */ 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 37661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtvoid printf_encode(char *txt, size_t maxlen, const u8 *data, size_t len) 37761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 37861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *end = txt + maxlen; 37961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t i; 38061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 38161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt for (i = 0; i < len; i++) { 382b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt if (txt + 4 >= end) 38361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 38461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 38561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt switch (data[i]) { 38661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\"': 38761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 38861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\"'; 38961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 39061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\\': 39161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 39261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 39361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 394661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt case '\033': 39561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 39661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = 'e'; 39761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 39861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\n': 39961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 40061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = 'n'; 40161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 40261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\r': 40361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 40461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = 'r'; 40561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 40661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\t': 40761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = '\\'; 40861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = 't'; 40961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 41061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt default: 41161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (data[i] >= 32 && data[i] <= 127) { 41261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt++ = data[i]; 41361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 41461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt txt += os_snprintf(txt, end - txt, "\\x%02x", 41561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt data[i]); 41661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 41761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 41861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 41961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 42061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 42161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *txt = '\0'; 42261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 42361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 42461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 42561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t printf_decode(u8 *buf, size_t maxlen, const char *str) 42661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 42761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const char *pos = str; 42861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t len = 0; 42961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int val; 43061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 43161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt while (*pos) { 4325605286c30e1701491bd3af974ae423727750eddDmitry Shmidt if (len + 1 >= maxlen) 43361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 43461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt switch (*pos) { 43561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\\': 43661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 43761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt switch (*pos) { 43861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '\\': 43961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = '\\'; 44061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 44161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 44261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '"': 44361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = '"'; 44461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 44561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 44661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case 'n': 44761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = '\n'; 44861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 44961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 45061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case 'r': 45161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = '\r'; 45261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 45361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 45461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case 't': 45561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = '\t'; 45661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 45761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 45861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case 'e': 459661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt buf[len++] = '\033'; 46061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 46161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 46261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case 'x': 46361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 46461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = hex2byte(pos); 46561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (val < 0) { 46661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = hex2num(*pos); 46761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (val < 0) 46861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 46961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = val; 47061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos++; 47161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 47261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = val; 47361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += 2; 47461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 47561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 47661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '0': 47761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '1': 47861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '2': 47961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '3': 48061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '4': 48161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '5': 48261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '6': 48361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case '7': 48461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = *pos++ - '0'; 48561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (*pos >= '0' && *pos <= '7') 48661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = val * 8 + (*pos++ - '0'); 48761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (*pos >= '0' && *pos <= '7') 48861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = val * 8 + (*pos++ - '0'); 48961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = val; 49061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 49161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt default: 49261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 49361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 49461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 49561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt default: 49661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len++] = *pos++; 49761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt break; 49861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 49961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 5005605286c30e1701491bd3af974ae423727750eddDmitry Shmidt if (maxlen > len) 5015605286c30e1701491bd3af974ae423727750eddDmitry Shmidt buf[len] = '\0'; 50261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 50361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return len; 50461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 50561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 50661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_ssid_txt - Convert SSID to a printable string 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ssid: SSID (32-octet string) 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ssid_len: Length of ssid in octets 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to a printable string 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function can be used to convert SSIDs into printable form. In most 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cases, SSIDs do not use unprintable characters, but IEEE 802.11 standard 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * does not limit the used character set, so anything could be used in an SSID. 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function uses a static buffer, so only one call can be used at the 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * time, i.e., this is not re-entrant and the returned buffer must be used 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * before calling this again. 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len) 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 52361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt static char ssid_txt[32 * 4 + 1]; 52461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 52561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ssid == NULL) { 52661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ssid_txt[0] = '\0'; 52761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return ssid_txt; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 52961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 53061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt printf_encode(ssid_txt, sizeof(ssid_txt), ssid, ssid_len); 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ssid_txt; 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid * __hide_aliasing_typecast(void *foo) 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return foo; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 53961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 54061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 54161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtchar * wpa_config_parse_string(const char *value, size_t *len) 54261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 54361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (*value == '"') { 54461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const char *pos; 54561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *str; 54661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt value++; 54761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = os_strrchr(value, '"'); 54861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (pos == NULL || pos[1] != '\0') 54961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 55061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *len = pos - value; 5514b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt str = dup_binstr(value, *len); 55261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (str == NULL) 55361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 55461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return str; 55561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else if (*value == 'P' && value[1] == '"') { 55661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const char *pos; 55761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *tstr, *str; 55861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t tlen; 55961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt value += 2; 56061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = os_strrchr(value, '"'); 56161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (pos == NULL || pos[1] != '\0') 56261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 56361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tlen = pos - value; 5644b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt tstr = dup_binstr(value, tlen); 56561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (tstr == NULL) 56661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 56761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 56861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt str = os_malloc(tlen + 1); 56961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (str == NULL) { 57061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(tstr); 57161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 57261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 57361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 57461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *len = printf_decode((u8 *) str, tlen + 1, tstr); 57561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(tstr); 57661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 57761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return str; 57861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 57961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *str; 58061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t tlen, hlen = os_strlen(value); 58161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hlen & 1) 58261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 58361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tlen = hlen / 2; 58461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt str = os_malloc(tlen + 1); 58561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (str == NULL) 58661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 58761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hexstr2bin(value, str, tlen)) { 58861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(str); 58961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 59061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 59161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt str[tlen] = '\0'; 59261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt *len = tlen; 59361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return (char *) str; 59461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 59561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 59661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 59761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 59861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint is_hex(const u8 *data, size_t len) 59961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 60061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t i; 60161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 60261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt for (i = 0; i < len; i++) { 60361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (data[i] < 32 || data[i] >= 127) 60461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 1; 60561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 60661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 0; 60761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 60861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 60961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 61061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtsize_t merge_byte_arrays(u8 *res, size_t res_len, 61161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src1, size_t src1_len, 61261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *src2, size_t src2_len) 61361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 61461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t len = 0; 61561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 61661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memset(res, 0, res_len); 61761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 61861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (src1) { 61961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (src1_len >= res_len) { 62061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(res, src1, res_len); 62161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return res_len; 62261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 62361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 62461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(res, src1, src1_len); 62561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt len += src1_len; 62661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 62761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 62861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (src2) { 62961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (len + src2_len >= res_len) { 63061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(res + len, src2, res_len - len); 63161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return res_len; 63261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 63361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 63461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(res + len, src2, src2_len); 63561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt len += src2_len; 63661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 63761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 63861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return len; 63961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 6404b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 6414b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 6424b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtchar * dup_binstr(const void *src, size_t len) 6434b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt{ 6444b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt char *res; 6454b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 6464b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt if (src == NULL) 6474b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt return NULL; 6484b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt res = os_malloc(len + 1); 6494b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt if (res == NULL) 6504b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt return NULL; 6514b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt os_memcpy(res, src, len); 6524b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt res[len] = '\0'; 6534b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 6544b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt return res; 6554b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt} 6564ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6574ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6584ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_parse(struct wpa_freq_range_list *res, const char *value) 6594ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt{ 6604ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt struct wpa_freq_range *freq = NULL, *n; 6614ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int count = 0; 6624ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt const char *pos, *pos2, *pos3; 6634ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6644ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt /* 6654ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt * Comma separated list of frequency ranges. 6664ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt * For example: 2412-2432,2462,5000-6000 6674ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt */ 6684ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos = value; 6694ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt while (pos && pos[0]) { 6704ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt n = os_realloc_array(freq, count + 1, 6714ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt sizeof(struct wpa_freq_range)); 6724ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (n == NULL) { 6734ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt os_free(freq); 6744ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return -1; 6754ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 6764ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt freq = n; 6774ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt freq[count].min = atoi(pos); 6784ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos2 = os_strchr(pos, '-'); 6794ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos3 = os_strchr(pos, ','); 6804ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (pos2 && (!pos3 || pos2 < pos3)) { 6814ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos2++; 6824ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt freq[count].max = atoi(pos2); 6834ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } else 6844ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt freq[count].max = freq[count].min; 6854ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos = pos3; 6864ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (pos) 6874ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos++; 6884ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt count++; 6894ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 6904ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6914ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt os_free(res->range); 6924ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt res->range = freq; 6934ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt res->num = count; 6944ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6954ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return 0; 6964ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt} 6974ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6984ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 6994ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint freq_range_list_includes(const struct wpa_freq_range_list *list, 7004ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int freq) 7014ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt{ 7024ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int i; 7034ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7044ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (list == NULL) 7054ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return 0; 7064ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7074ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt for (i = 0; i < list->num; i++) { 7084ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (freq >= list->range[i].min && freq <= list->range[i].max) 7094ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return 1; 7104ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 7114ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7124ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return 0; 7134ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt} 7144ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7154ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7164ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtchar * freq_range_list_str(const struct wpa_freq_range_list *list) 7174ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt{ 7184ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt char *buf, *pos, *end; 7194ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt size_t maxlen; 7204ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt unsigned int i; 7214ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt int res; 7224ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7234ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (list->num == 0) 7244ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return NULL; 7254ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7264ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt maxlen = list->num * 30; 7274ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt buf = os_malloc(maxlen); 7284ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (buf == NULL) 7294ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return NULL; 7304ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos = buf; 7314ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt end = buf + maxlen; 7324ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7334ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt for (i = 0; i < list->num; i++) { 7344ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt struct wpa_freq_range *range = &list->range[i]; 7354ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7364ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (range->min == range->max) 7374ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt res = os_snprintf(pos, end - pos, "%s%u", 7384ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt i == 0 ? "" : ",", range->min); 7394ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt else 7404ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt res = os_snprintf(pos, end - pos, "%s%u-%u", 7414ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt i == 0 ? "" : ",", 7424ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt range->min, range->max); 7436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (os_snprintf_error(end - pos, res)) { 7444ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt os_free(buf); 7454ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return NULL; 7464ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 7474ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt pos += res; 7484ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 7494ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 7504ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return buf; 7514ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt} 752fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 753fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 754fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint int_array_len(const int *a) 755fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 756fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int i; 757fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt for (i = 0; a && a[i]; i++) 758fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ; 759fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return i; 760fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 761fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 762fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 763fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_concat(int **res, const int *a) 764fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 765fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int reslen, alen, i; 766fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int *n; 767fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 768fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt reslen = int_array_len(*res); 769fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt alen = int_array_len(a); 770fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 771fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt n = os_realloc_array(*res, reslen + alen + 1, sizeof(int)); 772fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (n == NULL) { 773fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_free(*res); 774fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *res = NULL; 775fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 776fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 777fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt for (i = 0; i <= alen; i++) 778fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt n[reslen + i] = a[i]; 779fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *res = n; 780fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 781fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 782fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 783fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic int freq_cmp(const void *a, const void *b) 784fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 785fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int _a = *(int *) a; 786fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int _b = *(int *) b; 787fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 788fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (_a == 0) 789fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 1; 790fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (_b == 0) 791fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 792fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return _a - _b; 793fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 794fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 795fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 796fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_sort_unique(int *a) 797fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 798fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int alen; 799fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int i, j; 800fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 801fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (a == NULL) 802fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 803fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 804fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt alen = int_array_len(a); 805fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt qsort(a, alen, sizeof(int), freq_cmp); 806fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 807fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt i = 0; 808fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt j = 1; 809fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt while (a[i] && a[j]) { 810fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (a[i] == a[j]) { 811fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt j++; 812fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt continue; 813fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 814fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt a[++i] = a[j++]; 815fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 816fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (a[i]) 817fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt i++; 818fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt a[i] = 0; 819fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 820fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 821fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 822fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtvoid int_array_add_unique(int **res, int a) 823fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 824fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int reslen; 825fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int *n; 826fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 827fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt for (reslen = 0; *res && (*res)[reslen]; reslen++) { 828fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if ((*res)[reslen] == a) 829fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; /* already in the list */ 830fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 831fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 832fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt n = os_realloc_array(*res, reslen + 2, sizeof(int)); 833fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (n == NULL) { 834fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_free(*res); 835fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *res = NULL; 836fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 837fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 838fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 839fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt n[reslen] = a; 840fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt n[reslen + 1] = 0; 841fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 842fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *res = n; 843fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 844c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 845c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 846c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid str_clear_free(char *str) 847c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt{ 848c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (str) { 849c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt size_t len = os_strlen(str); 850c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_memset(str, 0, len); 851c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_free(str); 852c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt } 853c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt} 854c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 855c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt 856c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidtvoid bin_clear_free(void *bin, size_t len) 857c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt{ 858c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (bin) { 859c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_memset(bin, 0, len); 860c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_free(bin); 861c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt } 862c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt} 863661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 864661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 865661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr(u8 *addr) 866661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt{ 867661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt if (os_get_random(addr, ETH_ALEN) < 0) 868661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt return -1; 869661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt addr[0] &= 0xfe; /* unicast */ 870661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt addr[0] |= 0x02; /* locally administered */ 871661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt return 0; 872661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt} 873661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 874661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 875661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidtint random_mac_addr_keep_oui(u8 *addr) 876661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt{ 877661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt if (os_get_random(addr + 3, 3) < 0) 878661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt return -1; 879661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt addr[0] &= 0xfe; /* unicast */ 880661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt addr[0] |= 0x02; /* locally administered */ 881661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt return 0; 882661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt} 8836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 8866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * str_token - Get next token from a string 8876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @buf: String to tokenize. Note that the string might be modified. 8886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @delim: String of delimiters 8896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @context: Pointer to save our context. Should be initialized with 8906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * NULL on the first call, and passed for any further call. 8916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Returns: The next token, NULL if there are no more valid tokens. 8926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 8936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtchar * str_token(char *str, const char *delim, char **context) 8946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 8956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt char *end, *pos = str; 8966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (*context) 8986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt pos = *context; 8996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 9006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt while (*pos && os_strchr(delim, *pos)) 9016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt pos++; 9026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!*pos) 9036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 9046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 9056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt end = pos + 1; 9066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt while (*end && !os_strchr(delim, *end)) 9076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt end++; 9086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 9096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (*end) 9106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *end++ = '\0'; 9116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 9126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *context = end; 9136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return pos; 9146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 915