/* * Copyright (c) 2004, Adam Dunkels and the Swedish Institute of * Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This file is part of the uIP TCP/IP stack and the Contiki operating system. * * */ #include "net/uip.h" #include "net/uiplib.h" #include <string.h> #define DEBUG DEBUG_NONE #include "net/uip-debug.h" /*-----------------------------------------------------------------------------------*/ #if UIP_CONF_IPV6 int uiplib_ip6addrconv(const char *addrstr, uip_ip6addr_t *ipaddr) { uint16_t value; int tmp, zero; unsigned int len; char c = 0; //gcc warning if not initialized value = 0; zero = -1; if(*addrstr == '[') addrstr++; for(len = 0; len < sizeof(uip_ip6addr_t) - 1; addrstr++) { c = *addrstr; if(c == ':' || c == '\0' || c == ']' || c == '/') { ipaddr->u8[len] = (value >> 8) & 0xff; ipaddr->u8[len + 1] = value & 0xff; len += 2; value = 0; if(c == '\0' || c == ']' || c == '/') { break; } if(*(addrstr + 1) == ':') { /* Zero compression */ if(zero < 0) { zero = len; } addrstr++; } } else { if(c >= '0' && c <= '9') { tmp = c - '0'; } else if(c >= 'a' && c <= 'f') { tmp = c - 'a' + 10; } else if(c >= 'A' && c <= 'F') { tmp = c - 'A' + 10; } else { PRINTF("uiplib: illegal char: '%c'\n", c); return 0; } value = (value << 4) + (tmp & 0xf); } } if(c != '\0' && c != ']' && c != '/') { PRINTF("uiplib: too large address\n"); return 0; } if(len < sizeof(uip_ip6addr_t)) { if(zero < 0) { PRINTF("uiplib: too short address\n"); return 0; } memmove(&ipaddr->u8[zero + sizeof(uip_ip6addr_t) - len], &ipaddr->u8[zero], len - zero); memset(&ipaddr->u8[zero], 0, sizeof(uip_ip6addr_t) - len); } return 1; } #endif /* UIP_CONF_IPV6 */ /*-----------------------------------------------------------------------------------*/ /* Parse a IPv4-address from a string. Returns the number of characters read * for the address. */ int uiplib_ip4addrconv(const char *addrstr, uip_ip4addr_t *ipaddr) { unsigned char tmp; char c; unsigned char i, j; uint8_t charsread = 0; tmp = 0; for(i = 0; i < 4; ++i) { j = 0; do { c = *addrstr; ++j; if(j > 4) { return 0; } if(c == '.' || c == 0 || c == ' ') { ipaddr->u8[i] = tmp; tmp = 0; } else if(c >= '0' && c <= '9') { tmp = (tmp * 10) + (c - '0'); } else { return 0; } ++addrstr; ++charsread; } while(c != '.' && c != 0 && c != ' '); } return charsread-1; } /*-----------------------------------------------------------------------------------*/