147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org/* 247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Copyright 2012 The WebRTC Project Authors. All rights reserved. 347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * 447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Use of this source code is governed by a BSD-style license 547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * that can be found in the LICENSE file in the root of the source 647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * tree. An additional intellectual property rights grant can be found 747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * in the file PATENTS. All contributing project authors may 847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * be found in the AUTHORS file in the root of the source tree. 947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org */ 1047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#if defined(WEBRTC_ANDROID) 1247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include "webrtc/base/ifaddrs-android.h" 1347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <stdlib.h> 1447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <string.h> 1547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <sys/types.h> 1647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <sys/socket.h> 1747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <sys/utsname.h> 1847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <sys/ioctl.h> 1947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <netinet/in.h> 2047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <net/if.h> 2147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <unistd.h> 2247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <errno.h> 2347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <linux/netlink.h> 2447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <linux/rtnetlink.h> 2547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 26b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.orgnamespace { 27b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org 2847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgstruct netlinkrequest { 2947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org nlmsghdr header; 3047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddrmsg msg; 3147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org}; 3247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgconst int kMaxReadSize = 4096; 34b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org 35b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org} // namespace 36b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org 37b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.orgnamespace rtc { 3847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint set_ifname(struct ifaddrs* ifaddr, int interface) { 4047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org char buf[IFNAMSIZ] = {0}; 4147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org char* name = if_indextoname(interface, buf); 4247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (name == NULL) { 4347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 4447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 4547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_name = new char[strlen(name) + 1]; 4647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org strncpy(ifaddr->ifa_name, name, strlen(name) + 1); 4747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 4847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 4947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 5047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint set_flags(struct ifaddrs* ifaddr) { 5147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org int fd = socket(AF_INET, SOCK_DGRAM, 0); 5247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (fd == -1) { 5347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 5447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 5547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifreq ifr; 5647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memset(&ifr, 0, sizeof(ifr)); 5747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org strncpy(ifr.ifr_name, ifaddr->ifa_name, IFNAMSIZ - 1); 5847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org int rc = ioctl(fd, SIOCGIFFLAGS, &ifr); 5947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org close(fd); 6047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (rc == -1) { 6147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 6247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 6347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_flags = ifr.ifr_flags; 6447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 6547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 6647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 6747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint set_addresses(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* data, 6847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org size_t len) { 6947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (msg->ifa_family == AF_INET) { 7047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sockaddr_in* sa = new sockaddr_in; 7147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sa->sin_family = AF_INET; 7247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memcpy(&sa->sin_addr, data, len); 7347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_addr = reinterpret_cast<sockaddr*>(sa); 7447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } else if (msg->ifa_family == AF_INET6) { 7547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sockaddr_in6* sa = new sockaddr_in6; 7647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sa->sin6_family = AF_INET6; 7747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sa->sin6_scope_id = msg->ifa_index; 7847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memcpy(&sa->sin6_addr, data, len); 7947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_addr = reinterpret_cast<sockaddr*>(sa); 8047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } else { 8147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 8247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 8347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 8447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 8547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 8647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint make_prefixes(struct ifaddrs* ifaddr, int family, int prefixlen) { 8747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org char* prefix = NULL; 8847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (family == AF_INET) { 8947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sockaddr_in* mask = new sockaddr_in; 9047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org mask->sin_family = AF_INET; 9147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memset(&mask->sin_addr, 0, sizeof(in_addr)); 9247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_netmask = reinterpret_cast<sockaddr*>(mask); 9347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (prefixlen > 32) { 9447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org prefixlen = 32; 9547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 9647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org prefix = reinterpret_cast<char*>(&mask->sin_addr); 9747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } else if (family == AF_INET6) { 9847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sockaddr_in6* mask = new sockaddr_in6; 9947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org mask->sin6_family = AF_INET6; 10047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memset(&mask->sin6_addr, 0, sizeof(in6_addr)); 10147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr->ifa_netmask = reinterpret_cast<sockaddr*>(mask); 10247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (prefixlen > 128) { 10347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org prefixlen = 128; 10447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 10547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org prefix = reinterpret_cast<char*>(&mask->sin6_addr); 10647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } else { 10747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 10847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 10947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org for (int i = 0; i < (prefixlen / 8); i++) { 11047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org *prefix++ = 0xFF; 11147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 11247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org char remainder = 0xff; 11347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org remainder <<= (8 - prefixlen % 8); 11447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org *prefix = remainder; 11547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 11647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 11747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 11847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint populate_ifaddrs(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* bytes, 11947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org size_t len) { 12047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (set_ifname(ifaddr, msg->ifa_index) != 0) { 12147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 12247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 12347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (set_flags(ifaddr) != 0) { 12447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 12547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 12647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (set_addresses(ifaddr, msg, bytes, len) != 0) { 12747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 12847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 12947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (make_prefixes(ifaddr, msg->ifa_family, msg->ifa_prefixlen) != 0) { 13047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 13147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 13247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 13347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 13447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 13547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgint getifaddrs(struct ifaddrs** result) { 13647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org int fd = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); 13747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (fd < 0) { 13847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 13947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 14047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 14147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org netlinkrequest ifaddr_request; 14247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memset(&ifaddr_request, 0, sizeof(ifaddr_request)); 14347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr_request.header.nlmsg_flags = NLM_F_ROOT | NLM_F_REQUEST; 14447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr_request.header.nlmsg_type = RTM_GETADDR; 14547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddr_request.header.nlmsg_len = NLMSG_LENGTH(sizeof(ifaddrmsg)); 14647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 14747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ssize_t count = send(fd, &ifaddr_request, ifaddr_request.header.nlmsg_len, 0); 14847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (static_cast<size_t>(count) != ifaddr_request.header.nlmsg_len) { 14947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org close(fd); 15047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 15147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 15247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org struct ifaddrs* start = NULL; 15347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org struct ifaddrs* current = NULL; 15447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org char buf[kMaxReadSize]; 15547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ssize_t amount_read = recv(fd, &buf, kMaxReadSize, 0); 15647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org while (amount_read > 0) { 15747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org nlmsghdr* header = reinterpret_cast<nlmsghdr*>(&buf[0]); 15847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org size_t header_size = static_cast<size_t>(amount_read); 15947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org for ( ; NLMSG_OK(header, header_size); 16047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org header = NLMSG_NEXT(header, header_size)) { 16147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org switch (header->nlmsg_type) { 16247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org case NLMSG_DONE: 16347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org // Success. Return. 16447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org *result = start; 16547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org close(fd); 16647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return 0; 16747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org case NLMSG_ERROR: 16847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org close(fd); 16947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org freeifaddrs(start); 17047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 17147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org case RTM_NEWADDR: { 17247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddrmsg* address_msg = 17347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org reinterpret_cast<ifaddrmsg*>(NLMSG_DATA(header)); 17447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org rtattr* rta = IFA_RTA(address_msg); 17547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ssize_t payload_len = IFA_PAYLOAD(header); 17647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org while (RTA_OK(rta, payload_len)) { 17747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (rta->rta_type == IFA_ADDRESS) { 17847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org int family = address_msg->ifa_family; 17947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (family == AF_INET || family == AF_INET6) { 18047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org ifaddrs* newest = new ifaddrs; 18147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org memset(newest, 0, sizeof(ifaddrs)); 18247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (current) { 18347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org current->ifa_next = newest; 18447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } else { 18547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org start = newest; 18647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 18747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org if (populate_ifaddrs(newest, address_msg, RTA_DATA(rta), 18847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org RTA_PAYLOAD(rta)) != 0) { 18947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org freeifaddrs(start); 19047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org *result = NULL; 19147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 19247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 19347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org current = newest; 19447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 19547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 19647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org rta = RTA_NEXT(rta, payload_len); 19747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 19847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org break; 19947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 20047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 20147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 20247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org amount_read = recv(fd, &buf, kMaxReadSize, 0); 20347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 20447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org close(fd); 20547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org freeifaddrs(start); 20647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return -1; 20747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 20847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 20947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgvoid freeifaddrs(struct ifaddrs* addrs) { 21047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org struct ifaddrs* last = NULL; 21147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org struct ifaddrs* cursor = addrs; 21247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org while (cursor) { 21347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org delete[] cursor->ifa_name; 21447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org delete cursor->ifa_addr; 21547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org delete cursor->ifa_netmask; 21647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org last = cursor; 21747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org cursor = cursor->ifa_next; 21847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org delete last; 21947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 22047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} 22147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#endif // defined(WEBRTC_ANDROID) 222b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org 223b2eea5cf51211d6d4fd735380705f9626a1ebff9henrike@webrtc.org} // namespace rtc 224