1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <arpa/inet.h> 18 #include <linux/socket.h> 19 20 #include <binder/Parcel.h> 21 22 namespace android { 23 24 bool canSerializeSockaddr(const struct sockaddr_storage* addr) { 25 switch (addr->ss_family) { 26 case AF_INET: 27 case AF_INET6: 28 return true; 29 default: 30 return false; 31 } 32 } 33 34 void serializeSockaddr(Parcel* p, const struct sockaddr_storage* addr) { 35 switch (addr->ss_family) { 36 case AF_INET: { 37 const struct sockaddr_in* s = 38 reinterpret_cast<const struct sockaddr_in*>(addr); 39 p->writeInt32(AF_INET); 40 p->writeInt32(ntohl(s->sin_addr.s_addr)); 41 p->writeInt32(static_cast<int32_t>(ntohs(s->sin_port))); 42 } break; 43 44 case AF_INET6: { 45 const struct sockaddr_in6* s = 46 reinterpret_cast<const struct sockaddr_in6*>(addr); 47 const int32_t* a = 48 reinterpret_cast<const int32_t*>(s->sin6_addr.s6_addr); 49 p->writeInt32(AF_INET6); 50 p->writeInt32(ntohl(a[0])); 51 p->writeInt32(ntohl(a[1])); 52 p->writeInt32(ntohl(a[2])); 53 p->writeInt32(ntohl(a[3])); 54 p->writeInt32(static_cast<int32_t>(ntohs(s->sin6_port))); 55 p->writeInt32(ntohl(s->sin6_flowinfo)); 56 p->writeInt32(ntohl(s->sin6_scope_id)); 57 } break; 58 } 59 } 60 61 void deserializeSockaddr(const Parcel* p, struct sockaddr_storage* addr) { 62 memset(addr, 0, sizeof(*addr)); 63 64 addr->ss_family = p->readInt32(); 65 switch(addr->ss_family) { 66 case AF_INET: { 67 struct sockaddr_in* s = 68 reinterpret_cast<struct sockaddr_in*>(addr); 69 s->sin_addr.s_addr = htonl(p->readInt32()); 70 s->sin_port = htons(static_cast<uint16_t>(p->readInt32())); 71 } break; 72 73 case AF_INET6: { 74 struct sockaddr_in6* s = 75 reinterpret_cast<struct sockaddr_in6*>(addr); 76 int32_t* a = reinterpret_cast<int32_t*>(s->sin6_addr.s6_addr); 77 78 a[0] = htonl(p->readInt32()); 79 a[1] = htonl(p->readInt32()); 80 a[2] = htonl(p->readInt32()); 81 a[3] = htonl(p->readInt32()); 82 s->sin6_port = htons(static_cast<uint16_t>(p->readInt32())); 83 s->sin6_flowinfo = htonl(p->readInt32()); 84 s->sin6_scope_id = htonl(p->readInt32()); 85 } break; 86 } 87 } 88 89 } // namespace android 90
