| /** |
| * @file |
| * Common IPv4 and IPv6 code |
| * |
| * @defgroup ip IP |
| * @ingroup callbackstyle_api |
| * |
| * @defgroup ip4 IPv4 |
| * @ingroup ip |
| * |
| * @defgroup ip6 IPv6 |
| * @ingroup ip |
| * |
| * @defgroup ipaddr IP address handling |
| * @ingroup infrastructure |
| * |
| * @defgroup ip4addr IPv4 only |
| * @ingroup ipaddr |
| * |
| * @defgroup ip6addr IPv6 only |
| * @ingroup ipaddr |
| */ |
| |
| /* |
| * Copyright (c) 2001-2004 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 lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| |
| #include "lwip/opt.h" |
| |
| #if LWIP_IPV4 || LWIP_IPV6 |
| |
| #include "lwip/ip_addr.h" |
| #include "lwip/ip.h" |
| |
| /** Global data for both IPv4 and IPv6 */ |
| struct ip_globals ip_data; |
| |
| #if LWIP_IPV4 && LWIP_IPV6 |
| |
| const ip_addr_t ip_addr_any_type = IPADDR_ANY_TYPE_INIT; |
| |
| /** |
| * @ingroup ipaddr |
| * Convert IP address string (both versions) to numeric. |
| * The version is auto-detected from the string. |
| * |
| * @param cp IP address string to convert |
| * @param addr conversion result is stored here |
| * @return 1 on success, 0 on error |
| */ |
| int |
| ipaddr_aton(const char *cp, ip_addr_t *addr) |
| { |
| if (cp != NULL) { |
| const char* c; |
| for (c = cp; *c != 0; c++) { |
| if (*c == ':') { |
| /* contains a colon: IPv6 address */ |
| if (addr) { |
| IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V6); |
| } |
| return ip6addr_aton(cp, ip_2_ip6(addr)); |
| } else if (*c == '.') { |
| /* contains a dot: IPv4 address */ |
| break; |
| } |
| } |
| /* call ip4addr_aton as fallback or if IPv4 was found */ |
| if (addr) { |
| IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V4); |
| } |
| return ip4addr_aton(cp, ip_2_ip4(addr)); |
| } |
| return 0; |
| } |
| |
| /** |
| * @ingroup lwip_nosys |
| * If both IP versions are enabled, this function can dispatch packets to the correct one. |
| * Don't call directly, pass to netif_add() and call netif->input(). |
| */ |
| err_t |
| ip_input(struct pbuf *p, struct netif *inp) |
| { |
| if (p != NULL) { |
| if (IP_HDR_GET_VERSION(p->payload) == 6) { |
| return ip6_input(p, inp); |
| } |
| return ip4_input(p, inp); |
| } |
| return ERR_VAL; |
| } |
| |
| #endif /* LWIP_IPV4 && LWIP_IPV6 */ |
| |
| #endif /* LWIP_IPV4 || LWIP_IPV6 */ |