libcore_io_Linux.cpp revision 13a70e6c04157064fc8a61ecfcb1d863f29c239d
1ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes/* 2ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * Copyright (C) 2011 The Android Open Source Project 3ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * 4ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 5ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * you may not use this file except in compliance with the License. 6ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * You may obtain a copy of the License at 7ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * 8ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * 10ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * Unless required by applicable law or agreed to in writing, software 11ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 12ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * See the License for the specific language governing permissions and 14ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes * limitations under the License. 15ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes */ 16ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes 17ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#define LOG_TAG "Posix" 18ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes 191c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes#include <arpa/inet.h> 20ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes#include <errno.h> 210ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <fcntl.h> 226d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong#include <ifaddrs.h> 238f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline#include <linux/rtnetlink.h> 24b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes#include <net/if.h> 254f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes#include <netdb.h> 260a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes#include <netinet/in.h> 27a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti#include <netpacket/packet.h> 2870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes#include <poll.h> 29d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes#include <pwd.h> 30a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes#include <signal.h> 31ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#include <stdlib.h> 32461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes#include <sys/ioctl.h> 337e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes#include <sys/mman.h> 345215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich#include <sys/prctl.h> 3559e4744d27231f260271dbbca406e0cc39768116Elliott Hughes#include <sys/socket.h> 3647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes#include <sys/stat.h> 37069525a39125c203b658c805685b6045a7d4dfebElliott Hughes#include <sys/syscall.h> 380a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes#include <sys/time.h> 390ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <sys/types.h> 40bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes#include <sys/uio.h> 410ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller#include <sys/un.h> 427341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes#include <sys/utsname.h> 439e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes#include <sys/wait.h> 4490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey#include <sys/xattr.h> 45bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig#include <termios.h> 460ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <unistd.h> 476d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn 48b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers#include <memory> 49efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers 506d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include <android/log.h> 512cb2851f4a528e3e6e3e59cf3e854c2abf9f1811Elliott Hughes#include <android-base/file.h> 5255dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong#include <android-base/strings.h> 532cb2851f4a528e3e6e3e59cf3e854c2abf9f1811Elliott Hughes 546d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "AsynchronousCloseMonitor.h" 556d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "ExecStrings.h" 566d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "JNIHelp.h" 576d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "JniConstants.h" 586d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "JniException.h" 596d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "NetworkUtilities.h" 606d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "Portability.h" 616d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "ScopedBytes.h" 626d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "ScopedLocalRef.h" 636d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "ScopedPrimitiveArray.h" 646d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "ScopedUtfChars.h" 656d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn#include "toStringArray.h" 666d8d1ea910c1ad026b48c87424da92a250664dd2Mark Salyzyn 67efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers#ifndef __unused 6837dd0ac5767197bf7e3e90f1a5d4e54c8f1fe93dIan Rogers#define __unused __attribute__((__unused__)) 69efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers#endif 7037dd0ac5767197bf7e3e90f1a5d4e54c8f1fe93dIan Rogers 71d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes#define TO_JAVA_STRING(NAME, EXP) \ 72d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jstring NAME = env->NewStringUTF(EXP); \ 73a0b3a2c22454fad9026cff3b0173ada828bad280Chih-Hung Hsieh if ((NAME) == NULL) return NULL; 74d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 751c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughesstruct addrinfo_deleter { 761c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes void operator()(addrinfo* p) const { 771c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (p != NULL) { // bionic's freeaddrinfo(3) crashes when passed NULL. 781c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes freeaddrinfo(p); 791c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 801c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 811c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes}; 821c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 835d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamathstruct c_deleter { 845d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath void operator()(void* p) const { 855d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath free(p); 865d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath } 875d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath}; 885d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath 89b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colittistatic bool isIPv4MappedAddress(const sockaddr *sa) { 90b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti const sockaddr_in6 *sin6 = reinterpret_cast<const sockaddr_in6*>(sa); 91b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return sa != NULL && sa->sa_family == AF_INET6 && 92b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) || 93b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)); // We map 0.0.0.0 to ::, so :: is mapped. 94b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti} 95b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 96b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti/** 97b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * Perform a socket operation that specifies an IP address, possibly falling back from specifying 98b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * the address as an IPv4-mapped IPv6 address in a struct sockaddr_in6 to specifying it as an IPv4 99b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * address in a struct sockaddr_in. 100b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * 101b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * This is needed because all sockets created by the java.net APIs are IPv6 sockets, and on those 102b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * sockets, IPv4 operations use IPv4-mapped addresses stored in a struct sockaddr_in6. But sockets 103b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * created using Posix.socket(AF_INET, ...) are IPv4 sockets and only support operations using IPv4 104b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * socket addresses structures. 105b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti */ 106b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NET_IPV4_FALLBACK(jni_env, return_type, syscall_name, java_fd, java_addr, port, null_addr_ok, args...) ({ \ 107b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return_type _rc = -1; \ 108b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti do { \ 109b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti sockaddr_storage _ss; \ 110b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti socklen_t _salen; \ 111a0b3a2c22454fad9026cff3b0173ada828bad280Chih-Hung Hsieh if ((java_addr) == NULL && (null_addr_ok)) { \ 112b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* No IP address specified (e.g., sendto() on a connected socket). */ \ 113b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _salen = 0; \ 114b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } else if (!inetAddressToSockaddr(jni_env, java_addr, port, _ss, _salen)) { \ 115b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* Invalid socket address, return -1. inetAddressToSockaddr has already thrown. */ \ 116b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti break; \ 117b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 118b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti sockaddr* _sa = _salen ? reinterpret_cast<sockaddr*>(&_ss) : NULL; \ 119b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* inetAddressToSockaddr always returns an IPv6 sockaddr. Assume that java_fd was created \ 120b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * by Java API calls, which always create IPv6 socket fds, and pass it in as is. */ \ 121b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc = NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ##args, _sa, _salen); \ 122b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti if (_rc == -1 && errno == EAFNOSUPPORT && _salen && isIPv4MappedAddress(_sa)) { \ 123b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* We passed in an IPv4 address in an IPv6 sockaddr and the kernel told us that we got \ 124b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * the address family wrong. Pass in the same address in an IPv4 sockaddr. */ \ 125a0b3a2c22454fad9026cff3b0173ada828bad280Chih-Hung Hsieh (jni_env)->ExceptionClear(); \ 126b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti if (!inetAddressToSockaddrVerbatim(jni_env, java_addr, port, _ss, _salen)) { \ 127b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti break; \ 128b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 129b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _sa = reinterpret_cast<sockaddr*>(&_ss); \ 130b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc = NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ##args, _sa, _salen); \ 131b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 132b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } while (0); \ 133b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc; }) \ 134b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 135996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes/** 136f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Used to retry networking system calls that can be interrupted with a signal. Unlike 137f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * TEMP_FAILURE_RETRY, this also handles the case where 138f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * AsynchronousCloseMonitor::signalBlockedThreads(fd) is used to signal a close() or 139f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Thread.interrupt(). Other signals that result in an EINTR result are ignored and the system call 140f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * is retried. 141996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes * 142f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Returns the result of the system call though a Java exception will be pending if the result is 143f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * -1: a SocketException if signaled via AsynchronousCloseMonitor, or ErrnoException for other 144f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * failures. 145996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes */ 1461124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes#define NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ...) ({ \ 1471124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes return_type _rc = -1; \ 148b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti int _syscallErrno; \ 149996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes do { \ 150f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller bool _wasSignaled; \ 151996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes { \ 1521124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes int _fd = jniGetFDFromFileDescriptor(jni_env, java_fd); \ 153f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller AsynchronousCloseMonitor _monitor(_fd); \ 1541124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes _rc = syscall_name(_fd, __VA_ARGS__); \ 155f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _syscallErrno = errno; \ 156f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _wasSignaled = _monitor.wasSignaled(); \ 157996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes } \ 158f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (_wasSignaled) { \ 159f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller jniThrowException(jni_env, "java/net/SocketException", "Socket closed"); \ 1605d7c0a378be3f7f505b30e634e7aabf072c4edd0Serguei Katkov _rc = -1; \ 161f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller break; \ 162f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } \ 163f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (_rc == -1 && _syscallErrno != EINTR) { \ 164f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller /* TODO: with a format string we could show the arguments too, like strace(1). */ \ 165f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller throwErrnoException(jni_env, # syscall_name); \ 166f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller break; \ 167f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } \ 168f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } while (_rc == -1); /* _syscallErrno == EINTR && !_wasSignaled */ \ 169b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti if (_rc == -1) { \ 170b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti /* If the syscall failed, re-set errno: throwing an exception might have modified it. */ \ 171b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti errno = _syscallErrno; \ 172b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti } \ 173f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _rc; }) 174f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller 175f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller/** 176f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Used to retry system calls that can be interrupted with a signal. Unlike TEMP_FAILURE_RETRY, this 177f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * also handles the case where AsynchronousCloseMonitor::signalBlockedThreads(fd) is used to signal 178f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * a close() or Thread.interrupt(). Other signals that result in an EINTR result are ignored and the 179f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * system call is retried. 180f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * 181f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Returns the result of the system call though a Java exception will be pending if the result is 182f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * -1: an IOException if the file descriptor is already closed, a InterruptedIOException if signaled 183f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * via AsynchronousCloseMonitor, or ErrnoException for other failures. 184f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller */ 185f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller#define IO_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ...) ({ \ 186f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return_type _rc = -1; \ 187b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti int _syscallErrno; \ 18899a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller do { \ 18999a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller bool _wasSignaled; \ 19099a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller { \ 19199a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller int _fd = jniGetFDFromFileDescriptor(jni_env, java_fd); \ 19299a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller AsynchronousCloseMonitor _monitor(_fd); \ 19399a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _rc = syscall_name(_fd, __VA_ARGS__); \ 19499a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _syscallErrno = errno; \ 19599a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _wasSignaled = _monitor.wasSignaled(); \ 19699a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 19799a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller if (_wasSignaled) { \ 19899a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller jniThrowException(jni_env, "java/io/InterruptedIOException", # syscall_name " interrupted"); \ 19999a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _rc = -1; \ 20099a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller break; \ 20199a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 20299a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller if (_rc == -1 && _syscallErrno != EINTR) { \ 20399a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller /* TODO: with a format string we could show the arguments too, like strace(1). */ \ 20499a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller throwErrnoException(jni_env, # syscall_name); \ 20599a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller break; \ 20699a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 20799a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } while (_rc == -1); /* && _syscallErrno == EINTR && !_wasSignaled */ \ 208b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti if (_rc == -1) { \ 209b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti /* If the syscall failed, re-set errno: throwing an exception might have modified it. */ \ 210b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti errno = _syscallErrno; \ 211b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti } \ 212996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes _rc; }) 213996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes 214b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NULL_ADDR_OK true 215b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NULL_ADDR_FORBIDDEN false 216b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 2174f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwException(JNIEnv* env, jclass exceptionClass, jmethodID ctor3, jmethodID ctor2, 2184f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes const char* functionName, int error) { 219ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes jthrowable cause = NULL; 220ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (env->ExceptionCheck()) { 221ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes cause = env->ExceptionOccurred(); 222ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes env->ExceptionClear(); 223ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 224ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 2254f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes ScopedLocalRef<jstring> detailMessage(env, env->NewStringUTF(functionName)); 2264f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes if (detailMessage.get() == NULL) { 227f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes // Not really much we can do here. We're probably dead in the water, 228f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes // but let's try to stumble on... 229f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes env->ExceptionClear(); 230f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes } 231f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes 232ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes jobject exception; 233ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (cause != NULL) { 2344f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes exception = env->NewObject(exceptionClass, ctor3, detailMessage.get(), error, cause); 235ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } else { 2364f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes exception = env->NewObject(exceptionClass, ctor2, detailMessage.get(), error); 237ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 238ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes env->Throw(reinterpret_cast<jthrowable>(exception)); 239dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes} 240dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes 2414f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwErrnoException(JNIEnv* env, const char* functionName) { 2424f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes int error = errno; 2434f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes static jmethodID ctor3 = env->GetMethodID(JniConstants::errnoExceptionClass, 2444f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes "<init>", "(Ljava/lang/String;ILjava/lang/Throwable;)V"); 2454f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes static jmethodID ctor2 = env->GetMethodID(JniConstants::errnoExceptionClass, 2464f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes "<init>", "(Ljava/lang/String;I)V"); 2474f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwException(env, JniConstants::errnoExceptionClass, ctor3, ctor2, functionName, error); 2484f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 2494f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 2504f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwGaiException(JNIEnv* env, const char* functionName, int error) { 251c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes // Cache the methods ids before we throw, so we don't call GetMethodID with a pending exception. 252c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes static jmethodID ctor3 = env->GetMethodID(JniConstants::gaiExceptionClass, "<init>", 253c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes "(Ljava/lang/String;ILjava/lang/Throwable;)V"); 254c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes static jmethodID ctor2 = env->GetMethodID(JniConstants::gaiExceptionClass, "<init>", 255c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes "(Ljava/lang/String;I)V"); 256c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes if (errno != 0) { 25775cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // EAI_SYSTEM should mean "look at errno instead", but both glibc and bionic seem to 25875cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // mess this up. In particular, if you don't have INTERNET permission, errno will be EACCES 25975cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // but you'll get EAI_NONAME or EAI_NODATA. So we want our GaiException to have a 26075cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // potentially-relevant ErrnoException as its cause even if error != EAI_SYSTEM. 26175cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // http://code.google.com/p/android/issues/detail?id=15722 2624f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwErrnoException(env, functionName); 2634f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes // Deliberately fall through to throw another exception... 2644f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 2654f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwException(env, JniConstants::gaiExceptionClass, ctor3, ctor2, functionName, error); 2664f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 2674f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 268dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughestemplate <typename rc_t> 2697e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic rc_t throwIfMinusOne(JNIEnv* env, const char* name, rc_t rc) { 270dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == rc_t(-1)) { 2717e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, name); 272dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes } 273dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes return rc; 27447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 27547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 2768dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughestemplate <typename ScopedT> 277bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesclass IoVec { 278bbac92e691de7d570928ddfba639067978e55b06Elliott Hughespublic: 279bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes IoVec(JNIEnv* env, size_t bufferCount) : mEnv(env), mBufferCount(bufferCount) { 280bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 281bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 282bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes bool init(jobjectArray javaBuffers, jintArray javaOffsets, jintArray javaByteCounts) { 283bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes // We can't delete our local references until after the I/O, so make sure we have room. 284bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (mEnv->PushLocalFrame(mBufferCount + 16) < 0) { 285bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 286bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 287bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ScopedIntArrayRO offsets(mEnv, javaOffsets); 288bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (offsets.get() == NULL) { 289bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 290bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 291bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ScopedIntArrayRO byteCounts(mEnv, javaByteCounts); 292bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (byteCounts.get() == NULL) { 293bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 294bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 295bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes // TODO: Linux actually has a 1024 buffer limit. glibc works around this, and we should too. 296d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes // TODO: you can query the limit at runtime with sysconf(_SC_IOV_MAX). 297bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes for (size_t i = 0; i < mBufferCount; ++i) { 298e9f12043a1e2a29c60779cdb55c58eb156963570Elliott Hughes jobject buffer = mEnv->GetObjectArrayElement(javaBuffers, i); // We keep this local ref. 2998dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes mScopedBuffers.push_back(new ScopedT(mEnv, buffer)); 3008dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes jbyte* ptr = const_cast<jbyte*>(mScopedBuffers.back()->get()); 301bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (ptr == NULL) { 302bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 303bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 304bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes struct iovec iov; 305bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iov.iov_base = reinterpret_cast<void*>(ptr + offsets[i]); 306bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iov.iov_len = byteCounts[i]; 307bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes mIoVec.push_back(iov); 308bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 309bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return true; 310bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 311bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 312bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ~IoVec() { 3138dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes for (size_t i = 0; i < mScopedBuffers.size(); ++i) { 3148dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes delete mScopedBuffers[i]; 315bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 316bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes mEnv->PopLocalFrame(NULL); 317bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 318bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 319bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iovec* get() { 320bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return &mIoVec[0]; 321bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 322bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 323bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes size_t size() { 324bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return mBufferCount; 325bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 326bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 327bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesprivate: 328bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes JNIEnv* mEnv; 329bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes size_t mBufferCount; 330bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes std::vector<iovec> mIoVec; 3318dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes std::vector<ScopedT*> mScopedBuffers; 332bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes}; 333bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 3340ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller/** 3352550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * Returns a jbyteArray containing the sockaddr_un.sun_path from ss. As per unix(7) sa_len should be 3362550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * the length of ss as returned by getsockname(2), getpeername(2), or accept(2). 3372550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * If the returned array is of length 0 the sockaddr_un refers to an unnamed socket. 3382550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * A null pointer is returned in the event of an error. See unix(7) for more information. 3390ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller */ 3402550a252387631b49a00d2ee5587717cd2a6dda3Neil Fullerstatic jbyteArray getUnixSocketPath(JNIEnv* env, const sockaddr_storage& ss, 3412550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller const socklen_t& sa_len) { 3420ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (ss.ss_family != AF_UNIX) { 3430ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 3440ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "getUnixSocketPath unsupported ss_family: %i", ss.ss_family); 3452550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return NULL; 3460ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3472550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3480ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const struct sockaddr_un* un_addr = reinterpret_cast<const struct sockaddr_un*>(&ss); 3492550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // The length of sun_path is sa_len minus the length of the overhead (ss_family). 3502550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // See unix(7) for details. This calculation must match that of socket_make_sockaddr_un() in 3512550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // socket_local_client.c and javaUnixSocketAddressToSockaddr() to interoperate. 3522550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller size_t pathLength = sa_len - offsetof(struct sockaddr_un, sun_path); 3532550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3542550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = env->NewByteArray(pathLength); 3552550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (javaSunPath == NULL) { 3562550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return NULL; 3570ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3582550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3592550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (pathLength > 0) { 3602550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->SetByteArrayRegion(javaSunPath, 0, pathLength, 3612550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller reinterpret_cast<const jbyte*>(&un_addr->sun_path)); 3622550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller } 3632550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return javaSunPath; 3640ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 3650ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 3660ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic jobject makeSocketAddress(JNIEnv* env, const sockaddr_storage& ss, const socklen_t sa_len) { 3670ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (ss.ss_family == AF_INET || ss.ss_family == AF_INET6) { 3688f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jint port; 3698f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jobject inetAddress = sockaddrToInetAddress(env, ss, &port); 3708f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (inetAddress == NULL) { 3718f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return NULL; // Exception already thrown. 3728f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 3738f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jmethodID ctor = env->GetMethodID(JniConstants::inetSocketAddressClass, 3748f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "<init>", "(Ljava/net/InetAddress;I)V"); 3758f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return env->NewObject(JniConstants::inetSocketAddressClass, ctor, inetAddress, port); 3760ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (ss.ss_family == AF_UNIX) { 3770ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jmethodID ctor = env->GetMethodID(JniConstants::unixSocketAddressClass, 3780ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "<init>", "([B)V"); 3790ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 3802550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = getUnixSocketPath(env, ss, sa_len); 3812550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (!javaSunPath) { 3820ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return NULL; 3830ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3842550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return env->NewObject(JniConstants::unixSocketAddressClass, ctor, javaSunPath); 3858f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } else if (ss.ss_family == AF_NETLINK) { 3868f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const struct sockaddr_nl* nl_addr = reinterpret_cast<const struct sockaddr_nl*>(&ss); 3878f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jmethodID ctor = env->GetMethodID(JniConstants::netlinkSocketAddressClass, 3888f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "<init>", "(II)V"); 3896e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak return env->NewObject(JniConstants::netlinkSocketAddressClass, ctor, 3906e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak static_cast<jint>(nl_addr->nl_pid), 3918f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static_cast<jint>(nl_addr->nl_groups)); 39200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else if (ss.ss_family == AF_PACKET) { 39300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti const struct sockaddr_ll* sll = reinterpret_cast<const struct sockaddr_ll*>(&ss); 39400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jmethodID ctor = env->GetMethodID(JniConstants::packetSocketAddressClass, 39500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti "<init>", "(SISB[B)V"); 39600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti ScopedLocalRef<jbyteArray> byteArray(env, env->NewByteArray(sll->sll_halen)); 39700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (byteArray.get() == NULL) { 39800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return NULL; 39900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 40000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti env->SetByteArrayRegion(byteArray.get(), 0, sll->sll_halen, 40100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti reinterpret_cast<const jbyte*>(sll->sll_addr)); 40200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jobject packetSocketAddress = env->NewObject(JniConstants::packetSocketAddressClass, ctor, 40300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jshort>(ntohs(sll->sll_protocol)), 40400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jint>(sll->sll_ifindex), 40500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jshort>(sll->sll_hatype), 40600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jbyte>(sll->sll_pkttype), 40700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti byteArray.get()); 40800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return packetSocketAddress; 40900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 41000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", "unsupported ss_family: %d", 41100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti ss.ss_family); 4128f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return NULL; 4130a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4140a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 415d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject makeStructPasswd(JNIEnv* env, const struct passwd& pw) { 416d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_name, pw.pw_name); 417d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_dir, pw.pw_dir); 418d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_shell, pw.pw_shell); 419d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structPasswdClass, "<init>", 420d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes "(Ljava/lang/String;IILjava/lang/String;Ljava/lang/String;)V"); 421d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return env->NewObject(JniConstants::structPasswdClass, ctor, 422d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes pw_name, static_cast<jint>(pw.pw_uid), static_cast<jint>(pw.pw_gid), pw_dir, pw_shell); 423d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 424d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 42513a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kongstatic jobject makeStructStat(JNIEnv* env, const struct stat64& sb) { 42647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structStatClass, "<init>", 42747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes "(JJIJIIJJJJJJJ)V"); 42847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return env->NewObject(JniConstants::structStatClass, ctor, 42959fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_dev), static_cast<jlong>(sb.st_ino), 43059fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jint>(sb.st_mode), static_cast<jlong>(sb.st_nlink), 43159fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jint>(sb.st_uid), static_cast<jint>(sb.st_gid), 43259fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_rdev), static_cast<jlong>(sb.st_size), 43359fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_atime), static_cast<jlong>(sb.st_mtime), 43459fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_ctime), static_cast<jlong>(sb.st_blksize), 43559fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_blocks)); 43659fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 43759fa7163774d6930a174bc038414a4b780581957Elliott Hughes 438721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject makeStructStatVfs(JNIEnv* env, const struct statvfs& sb) { 439721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structStatVfsClass, "<init>", 440721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes "(JJJJJJJJJJJ)V"); 441721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return env->NewObject(JniConstants::structStatVfsClass, ctor, 442721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bsize), 443721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_frsize), 444721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_blocks), 445721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bfree), 446721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bavail), 447721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_files), 448721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_ffree), 449721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_favail), 450721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_fsid), 451721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_flag), 452efe42934a8523f2b051a351e5eceebf6216454aeElliott Hughes static_cast<jlong>(sb.f_namemax)); 45347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 45447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 4550a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject makeStructLinger(JNIEnv* env, const struct linger& l) { 4560a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structLingerClass, "<init>", "(II)V"); 4570a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return env->NewObject(JniConstants::structLingerClass, ctor, l.l_onoff, l.l_linger); 4580a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4590a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 4600a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject makeStructTimeval(JNIEnv* env, const struct timeval& tv) { 4610a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structTimevalClass, "<init>", "(JJ)V"); 4620a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return env->NewObject(JniConstants::structTimevalClass, ctor, 4630a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static_cast<jlong>(tv.tv_sec), static_cast<jlong>(tv.tv_usec)); 4640a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4650a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 4663deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jobject makeStructUcred(JNIEnv* env, const struct ucred& u __unused) { 467482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structUcredClass, "<init>", "(III)V"); 468482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return env->NewObject(JniConstants::structUcredClass, ctor, u.pid, u.uid, u.gid); 469482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 470482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 4717341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughesstatic jobject makeStructUtsname(JNIEnv* env, const struct utsname& buf) { 472d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(sysname, buf.sysname); 473d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(nodename, buf.nodename); 474d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(release, buf.release); 475d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(version, buf.version); 476d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(machine, buf.machine); 4777341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structUtsnameClass, "<init>", 4787341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); 4797341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes return env->NewObject(JniConstants::structUtsnameClass, ctor, 4807341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes sysname, nodename, release, version, machine); 4817341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes}; 4827341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes 483a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic bool fillIfreq(JNIEnv* env, jstring javaInterfaceName, struct ifreq& req) { 484a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes ScopedUtfChars interfaceName(env, javaInterfaceName); 485a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (interfaceName.c_str() == NULL) { 486a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return false; 487a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 488a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes memset(&req, 0, sizeof(req)); 489a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes strncpy(req.ifr_name, interfaceName.c_str(), sizeof(req.ifr_name)); 490a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes req.ifr_name[sizeof(req.ifr_name) - 1] = '\0'; 491a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return true; 492a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 493a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 4940ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillUnixSocketAddress(JNIEnv* env, jobject javaUnixSocketAddress, 4950ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const sockaddr_storage& ss, const socklen_t& sa_len) { 4960ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaUnixSocketAddress == NULL) { 4970ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 4980ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 4992550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = getUnixSocketPath(env, ss, sa_len); 5002550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (!javaSunPath) { 5010ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return false; 5020ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5030ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5040ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jfieldID sunPathFid = 5050ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller env->GetFieldID(JniConstants::unixSocketAddressClass, "sun_path", "[B"); 5062550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->SetObjectField(javaUnixSocketAddress, sunPathFid, javaSunPath); 5070ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 5080ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 5090ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5100ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillInetSocketAddress(JNIEnv* env, jobject javaInetSocketAddress, 5110ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const sockaddr_storage& ss) { 5120ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaInetSocketAddress == NULL) { 513553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return true; 514553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 515553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes // Fill out the passed-in InetSocketAddress with the sender's IP address and port number. 516553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes jint port; 517553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes jobject sender = sockaddrToInetAddress(env, ss, &port); 518553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes if (sender == NULL) { 519553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return false; 520553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 5214cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID holderFid = env->GetFieldID(JniConstants::inetSocketAddressClass, "holder", 5224cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "Ljava/net/InetSocketAddress$InetSocketAddressHolder;"); 523ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski jobject holder = env->GetObjectField(javaInetSocketAddress, holderFid); 524ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski 5254cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID addressFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, 5264cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "addr", "Ljava/net/InetAddress;"); 527ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski static jfieldID portFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, "port", "I"); 528ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski env->SetObjectField(holder, addressFid, sender); 529ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski env->SetIntField(holder, portFid, port); 530553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return true; 531553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes} 532553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes 5330ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillSocketAddress(JNIEnv* env, jobject javaSocketAddress, const sockaddr_storage& ss, 5340ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const socklen_t& sa_len) { 5350ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaSocketAddress == NULL) { 5360ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 5370ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5380ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5390ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 5400ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return fillInetSocketAddress(env, javaSocketAddress, ss); 5410ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::unixSocketAddressClass)) { 5420ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return fillUnixSocketAddress(env, javaSocketAddress, ss, sa_len); 5430ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5440ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jniThrowException(env, "java/lang/UnsupportedOperationException", 5450ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "unsupported SocketAddress subclass"); 5460ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return false; 5470ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5480ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 5490ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 550f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colittistatic void javaInetSocketAddressToInetAddressAndPort( 551f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti JNIEnv* env, jobject javaInetSocketAddress, jobject& javaInetAddress, jint& port) { 5524cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID holderFid = env->GetFieldID(JniConstants::inetSocketAddressClass, "holder", 5534cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "Ljava/net/InetSocketAddress$InetSocketAddressHolder;"); 5544cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath jobject holder = env->GetObjectField(javaInetSocketAddress, holderFid); 5554cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath 5568f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID addressFid = env->GetFieldID( 5574cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath JniConstants::inetSocketAddressHolderClass, "addr", "Ljava/net/InetAddress;"); 5584cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID portFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, "port", "I"); 5594cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath 5604cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath javaInetAddress = env->GetObjectField(holder, addressFid); 5614cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath port = env->GetIntField(holder, portFid); 562f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti} 563f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti 564f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colittistatic bool javaInetSocketAddressToSockaddr( 565f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 566f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jobject javaInetAddress; 567f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jint port; 568f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetSocketAddressToInetAddressAndPort(env, javaSocketAddress, javaInetAddress, port); 569f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti return inetAddressToSockaddr(env, javaInetAddress, port, ss, sa_len); 5708f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 5718f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5728f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic bool javaNetlinkSocketAddressToSockaddr( 5738f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 5748f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID nlPidFid = env->GetFieldID( 5758f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JniConstants::netlinkSocketAddressClass, "nlPortId", "I"); 5768f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID nlGroupsFid = env->GetFieldID( 5778f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JniConstants::netlinkSocketAddressClass, "nlGroupsMask", "I"); 5788f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5798f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_nl *nlAddr = reinterpret_cast<sockaddr_nl *>(&ss); 5808f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_family = AF_NETLINK; 5818f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_pid = env->GetIntField(javaSocketAddress, nlPidFid); 5828f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_groups = env->GetIntField(javaSocketAddress, nlGroupsFid); 5838f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sa_len = sizeof(sockaddr_nl); 5848f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return true; 5858f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 5868f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5870ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool javaUnixSocketAddressToSockaddr( 5880ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller JNIEnv* env, jobject javaUnixSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 5890ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jfieldID sunPathFid = env->GetFieldID( 5900ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller JniConstants::unixSocketAddressClass, "sun_path", "[B"); 5910ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5920ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller struct sockaddr_un* un_addr = reinterpret_cast<struct sockaddr_un*>(&ss); 5932550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller memset (un_addr, 0, sizeof(sockaddr_un)); 5940ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller un_addr->sun_family = AF_UNIX; 5950ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5960ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jbyteArray javaSunPath = (jbyteArray) env->GetObjectField(javaUnixSocketAddress, sunPathFid); 5970ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jsize pathLength = env->GetArrayLength(javaSunPath); 5982550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if ((size_t) pathLength > sizeof(sockaddr_un::sun_path)) { 5992550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 6002550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller "sun_path too long: max=%i, is=%i", 6012550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller sizeof(sockaddr_un::sun_path), pathLength); 6022550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return false; 6030ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 6042550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->GetByteArrayRegion(javaSunPath, 0, pathLength, (jbyte*) un_addr->sun_path); 6052550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // sa_len is sun_path plus the length of the overhead (ss_family_t). See unix(7) for 6062550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // details. This calculation must match that of socket_make_sockaddr_un() in 6072550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // socket_local_client.c and getUnixSocketPath() to interoperate. 6082550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller sa_len = offsetof(struct sockaddr_un, sun_path) + pathLength; 6090ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 6100ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 6110ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 61200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colittistatic bool javaPacketSocketAddressToSockaddr( 61300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 61400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID protocolFid = env->GetFieldID( 61500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_protocol", "S"); 61600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID ifindexFid = env->GetFieldID( 61700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_ifindex", "I"); 61800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID hatypeFid = env->GetFieldID( 61900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_hatype", "S"); 62000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID pkttypeFid = env->GetFieldID( 62100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_pkttype", "B"); 62200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID addrFid = env->GetFieldID( 62300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_addr", "[B"); 62400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 62500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sockaddr_ll *sll = reinterpret_cast<sockaddr_ll *>(&ss); 62600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_family = AF_PACKET; 627e0273519773d7b14680fe0aa8bc180836042f245Lorenzo Colitti sll->sll_protocol = htons(env->GetShortField(javaSocketAddress, protocolFid)); 62800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_ifindex = env->GetIntField(javaSocketAddress, ifindexFid); 62900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_hatype = env->GetShortField(javaSocketAddress, hatypeFid); 63000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_pkttype = env->GetByteField(javaSocketAddress, pkttypeFid); 63100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 63200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jbyteArray sllAddr = (jbyteArray) env->GetObjectField(javaSocketAddress, addrFid); 63300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (sllAddr == NULL) { 63400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_halen = 0; 63500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti memset(&sll->sll_addr, 0, sizeof(sll->sll_addr)); 63600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else { 63700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jsize len = env->GetArrayLength(sllAddr); 63800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if ((size_t) len > sizeof(sll->sll_addr)) { 63900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti len = sizeof(sll->sll_addr); 64000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 64100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_halen = len; 64200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti env->GetByteArrayRegion(sllAddr, 0, len, (jbyte*) sll->sll_addr); 64300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 64400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sa_len = sizeof(sockaddr_ll); 64500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return true; 64600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti} 64700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 6488f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic bool javaSocketAddressToSockaddr( 6498f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 6508f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (javaSocketAddress == NULL) { 6518f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jniThrowNullPointerException(env, NULL); 6528f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return false; 6538f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 6548f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 6558f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (env->IsInstanceOf(javaSocketAddress, JniConstants::netlinkSocketAddressClass)) { 6568f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return javaNetlinkSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6578f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 6588f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return javaInetSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 65900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::packetSocketAddressClass)) { 66000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return javaPacketSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6610ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::unixSocketAddressClass)) { 6620ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return javaUnixSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6638f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 6648f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jniThrowException(env, "java/lang/UnsupportedOperationException", 6658f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "unsupported SocketAddress subclass"); 6668f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return false; 6678f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 6688f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 66947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject doStat(JNIEnv* env, jstring javaPath, bool isLstat) { 67047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes ScopedUtfChars path(env, javaPath); 67147cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes if (path.c_str() == NULL) { 67247cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 67347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 67413a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong struct stat64 sb; 67513a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong int rc = isLstat ? TEMP_FAILURE_RETRY(lstat64(path.c_str(), &sb)) 67613a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong : TEMP_FAILURE_RETRY(stat64(path.c_str(), &sb)); 677dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 6787e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, isLstat ? "lstat" : "stat"); 67947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 68047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 68147cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return makeStructStat(env, sb); 682ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 683ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 684482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject doGetSockName(JNIEnv* env, jobject javaFd, bool is_sockname) { 685482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 686482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr_storage ss; 687482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr* sa = reinterpret_cast<sockaddr*>(&ss); 688482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t byteCount = sizeof(ss); 689482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes memset(&ss, 0, byteCount); 690482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = is_sockname ? TEMP_FAILURE_RETRY(getsockname(fd, sa, &byteCount)) 691482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes : TEMP_FAILURE_RETRY(getpeername(fd, sa, &byteCount)); 692482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (rc == -1) { 693482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes throwErrnoException(env, is_sockname ? "getsockname" : "getpeername"); 694482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return NULL; 695482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes } 6960ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return makeSocketAddress(env, ss, byteCount); 697482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 698482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 699d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesclass Passwd { 700d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughespublic: 7013b527308aae5a23ac71cf5f637b4595a9b55a2dbChih-Hung Hsieh explicit Passwd(JNIEnv* env) : mEnv(env), mResult(NULL) { 702d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes mBufferSize = sysconf(_SC_GETPW_R_SIZE_MAX); 703d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes mBuffer.reset(new char[mBufferSize]); 704d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 705d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 706d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject getpwnam(const char* name) { 707d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return process("getpwnam_r", getpwnam_r(name, &mPwd, mBuffer.get(), mBufferSize, &mResult)); 708d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 709d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 710d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject getpwuid(uid_t uid) { 711d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return process("getpwuid_r", getpwuid_r(uid, &mPwd, mBuffer.get(), mBufferSize, &mResult)); 712d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 713d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 714d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd* get() { 715d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return mResult; 716d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 717d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 718d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesprivate: 719d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject process(const char* syscall, int error) { 720d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes if (mResult == NULL) { 721d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes errno = error; 722d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes throwErrnoException(mEnv, syscall); 723d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return NULL; 724d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 725d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return makeStructPasswd(mEnv, *mResult); 726d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 727d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 728d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes JNIEnv* mEnv; 729b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<char[]> mBuffer; 730d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes size_t mBufferSize; 731d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd mPwd; 732d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd* mResult; 733d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes}; 734d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 7350ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic jobject Posix_accept(JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 736553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes sockaddr_storage ss; 737553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes socklen_t sl = sizeof(ss); 738553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes memset(&ss, 0, sizeof(ss)); 7390ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller sockaddr* peer = (javaSocketAddress != NULL) ? reinterpret_cast<sockaddr*>(&ss) : NULL; 7400ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller socklen_t* peerLength = (javaSocketAddress != NULL) ? &sl : 0; 7411124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes jint clientFd = NET_FAILURE_RETRY(env, int, accept, javaFd, peer, peerLength); 7420ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (clientFd == -1 || !fillSocketAddress(env, javaSocketAddress, ss, *peerLength)) { 743553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes close(clientFd); 744553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return NULL; 745553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 746553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return (clientFd != -1) ? jniCreateFileDescriptor(env, clientFd) : NULL; 747553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes} 748553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes 749ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jboolean Posix_access(JNIEnv* env, jobject, jstring javaPath, jint mode) { 750ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes ScopedUtfChars path(env, javaPath); 751ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (path.c_str() == NULL) { 752ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return JNI_FALSE; 753ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 75447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int rc = TEMP_FAILURE_RETRY(access(path.c_str(), mode)); 755dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 7567e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "access"); 757dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes } 758ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return (rc == 0); 759ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 760ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 761da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughesstatic void Posix_bind(JNIEnv* env, jobject, jobject javaFd, jobject javaAddress, jint port) { 7621124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes // We don't need the return value because we'll already have thrown. 763b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (void) NET_IPV4_FALLBACK(env, int, bind, javaFd, javaAddress, port, NULL_ADDR_FORBIDDEN); 764da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes} 765da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes 7668f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic void Posix_bindSocketAddress( 7678f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 7688f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_storage ss; 7698f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline socklen_t sa_len; 7708f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 7718f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return; // Exception already thrown. 7728f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 7738f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 7748f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 7758f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline // We don't need the return value because we'll already have thrown. 7768f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline (void) NET_FAILURE_RETRY(env, int, bind, javaFd, sa, sa_len); 7778f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 7788f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 779b7190190e0ef8de883c952efb319ce7748831faaElliott Hughesstatic void Posix_chmod(JNIEnv* env, jobject, jstring javaPath, jint mode) { 780b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes ScopedUtfChars path(env, javaPath); 781b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes if (path.c_str() == NULL) { 782b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes return; 783b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes } 784b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes throwIfMinusOne(env, "chmod", TEMP_FAILURE_RETRY(chmod(path.c_str(), mode))); 785b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes} 786b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes 78744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_chown(JNIEnv* env, jobject, jstring javaPath, jint uid, jint gid) { 78844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes ScopedUtfChars path(env, javaPath); 78944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes if (path.c_str() == NULL) { 79044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return; 79144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes } 79244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "chown", TEMP_FAILURE_RETRY(chown(path.c_str(), uid, gid))); 79344f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 79444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 795462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughesstatic void Posix_close(JNIEnv* env, jobject, jobject javaFd) { 796462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Get the FileDescriptor's 'fd' field and clear it. 797462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // We need to do this before we can throw an IOException (http://b/3222087). 798462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 799462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd, -1); 800462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes 801462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Even if close(2) fails with EINTR, the fd will have been closed. 802462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Using TEMP_FAILURE_RETRY will either lead to EBADF or closing someone else's fd. 803462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // http://lkml.indiana.edu/hypermail/linux/kernel/0509.1/0877.html 804462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes throwIfMinusOne(env, "close", close(fd)); 805462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes} 806462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes 807996bf79565ac88402920bd826d6f85952c83be20Elliott Hughesstatic void Posix_connect(JNIEnv* env, jobject, jobject javaFd, jobject javaAddress, jint port) { 808b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (void) NET_IPV4_FALLBACK(env, int, connect, javaFd, javaAddress, port, NULL_ADDR_FORBIDDEN); 809996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes} 810996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes 8118f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic void Posix_connectSocketAddress( 8128f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 8138f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_storage ss; 8148f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline socklen_t sa_len; 8158f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 8168f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return; // Exception already thrown. 8178f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 8188f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 8198f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 8208f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline // We don't need the return value because we'll already have thrown. 8218f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline (void) NET_FAILURE_RETRY(env, int, connect, javaFd, sa, sa_len); 8228f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 8238f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 824396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jobject Posix_dup(JNIEnv* env, jobject, jobject javaOldFd) { 825396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int oldFd = jniGetFDFromFileDescriptor(env, javaOldFd); 826396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int newFd = throwIfMinusOne(env, "dup", TEMP_FAILURE_RETRY(dup(oldFd))); 827396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes return (newFd != -1) ? jniCreateFileDescriptor(env, newFd) : NULL; 828396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 829396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 830396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jobject Posix_dup2(JNIEnv* env, jobject, jobject javaOldFd, jint newFd) { 831396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int oldFd = jniGetFDFromFileDescriptor(env, javaOldFd); 832396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int fd = throwIfMinusOne(env, "dup2", TEMP_FAILURE_RETRY(dup2(oldFd, newFd))); 833396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes return (fd != -1) ? jniCreateFileDescriptor(env, fd) : NULL; 834396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 835396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 836ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jobjectArray Posix_environ(JNIEnv* env, jobject) { 837ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes extern char** environ; // Standard, but not in any header file. 838ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return toStringArray(env, environ); 839ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 840ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 841798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevichstatic void Posix_execve(JNIEnv* env, jobject, jstring javaFilename, jobjectArray javaArgv, jobjectArray javaEnvp) { 842798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich ScopedUtfChars path(env, javaFilename); 843798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich if (path.c_str() == NULL) { 844798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich return; 845798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich } 846798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 847ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings argv(env, javaArgv); 848ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings envp(env, javaEnvp); 849fa542091e45db699a937c5ac0191194405107827Elliott Hughes TEMP_FAILURE_RETRY(execve(path.c_str(), argv.get(), envp.get())); 850798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 851798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich throwErrnoException(env, "execve"); 852798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich} 853798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 854798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevichstatic void Posix_execv(JNIEnv* env, jobject, jstring javaFilename, jobjectArray javaArgv) { 855798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich ScopedUtfChars path(env, javaFilename); 856798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich if (path.c_str() == NULL) { 857798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich return; 858798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich } 859798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 860ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings argv(env, javaArgv); 861fa542091e45db699a937c5ac0191194405107827Elliott Hughes TEMP_FAILURE_RETRY(execv(path.c_str(), argv.get())); 862798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 863798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich throwErrnoException(env, "execv"); 864798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich} 865798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 86644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_fchmod(JNIEnv* env, jobject, jobject javaFd, jint mode) { 86744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 86844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "fchmod", TEMP_FAILURE_RETRY(fchmod(fd, mode))); 86944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 87044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 87144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_fchown(JNIEnv* env, jobject, jobject javaFd, jint uid, jint gid) { 87244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 87344f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "fchown", TEMP_FAILURE_RETRY(fchown(fd, uid, gid))); 87444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 87544f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 876fc549a0b0388987b26dea524894d75a63d14783bElliott Hughesstatic jint Posix_fcntlFlock(JNIEnv* env, jobject, jobject javaFd, jint cmd, jobject javaFlock) { 877fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID typeFid = env->GetFieldID(JniConstants::structFlockClass, "l_type", "S"); 878fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID whenceFid = env->GetFieldID(JniConstants::structFlockClass, "l_whence", "S"); 879fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID startFid = env->GetFieldID(JniConstants::structFlockClass, "l_start", "J"); 880fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID lenFid = env->GetFieldID(JniConstants::structFlockClass, "l_len", "J"); 881fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID pidFid = env->GetFieldID(JniConstants::structFlockClass, "l_pid", "I"); 882fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 883fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes struct flock64 lock; 884fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes memset(&lock, 0, sizeof(lock)); 885fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_type = env->GetShortField(javaFlock, typeFid); 886fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_whence = env->GetShortField(javaFlock, whenceFid); 887fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_start = env->GetLongField(javaFlock, startFid); 888fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_len = env->GetLongField(javaFlock, lenFid); 889fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_pid = env->GetIntField(javaFlock, pidFid); 890fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 8918add3229ceb13f2aa5d15b84cc59f5ecc6b90214Neil Fuller int rc = IO_FAILURE_RETRY(env, int, fcntl, javaFd, cmd, &lock); 892fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes if (rc != -1) { 893fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetShortField(javaFlock, typeFid, lock.l_type); 894fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetShortField(javaFlock, whenceFid, lock.l_whence); 895fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetLongField(javaFlock, startFid, lock.l_start); 896fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetLongField(javaFlock, lenFid, lock.l_len); 897fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetIntField(javaFlock, pidFid, lock.l_pid); 898fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes } 899fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes return rc; 900fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes} 901fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 902c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamathstatic jint Posix_fcntlInt(JNIEnv* env, jobject, jobject javaFd, jint cmd, jint arg) { 903c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath int fd = jniGetFDFromFileDescriptor(env, javaFd); 904c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath return throwIfMinusOne(env, "fcntl", TEMP_FAILURE_RETRY(fcntl(fd, cmd, arg))); 905c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath} 906c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath 907c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamathstatic jint Posix_fcntlVoid(JNIEnv* env, jobject, jobject javaFd, jint cmd) { 908c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath int fd = jniGetFDFromFileDescriptor(env, javaFd); 909c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath return throwIfMinusOne(env, "fcntl", TEMP_FAILURE_RETRY(fcntl(fd, cmd))); 910c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath} 911c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath 91252724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughesstatic void Posix_fdatasync(JNIEnv* env, jobject, jobject javaFd) { 91352724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9147e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "fdatasync", TEMP_FAILURE_RETRY(fdatasync(fd))); 91552724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes} 91652724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes 91747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_fstat(JNIEnv* env, jobject, jobject javaFd) { 91847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 91913a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong struct stat64 sb; 92013a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong int rc = TEMP_FAILURE_RETRY(fstat64(fd, &sb)); 921dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 9227e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "fstat"); 92347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 92447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 92547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return makeStructStat(env, sb); 92647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 92747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 928721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject Posix_fstatvfs(JNIEnv* env, jobject, jobject javaFd) { 92959fa7163774d6930a174bc038414a4b780581957Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 930721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes struct statvfs sb; 931721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes int rc = TEMP_FAILURE_RETRY(fstatvfs(fd, &sb)); 93259fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (rc == -1) { 933721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes throwErrnoException(env, "fstatvfs"); 93459fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 93559fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 936721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return makeStructStatVfs(env, sb); 93759fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 93859fa7163774d6930a174bc038414a4b780581957Elliott Hughes 93952724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughesstatic void Posix_fsync(JNIEnv* env, jobject, jobject javaFd) { 94052724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9417e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "fsync", TEMP_FAILURE_RETRY(fsync(fd))); 942f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes} 943f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes 944f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughesstatic void Posix_ftruncate(JNIEnv* env, jobject, jobject javaFd, jlong length) { 945f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9467e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "ftruncate", TEMP_FAILURE_RETRY(ftruncate64(fd, length))); 94752724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes} 94852724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes 9494f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic jstring Posix_gai_strerror(JNIEnv* env, jobject, jint error) { 9504f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return env->NewStringUTF(gai_strerror(error)); 9514f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 9524f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 9533e58734d651080009c9190c7062837fca5c7cf4ePaul Jensenstatic jobjectArray Posix_android_getaddrinfo(JNIEnv* env, jobject, jstring javaNode, 9543e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen jobject javaHints, jint netId) { 9551c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ScopedUtfChars node(env, javaNode); 9561c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (node.c_str() == NULL) { 9571c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9581c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9591c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9601c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID flagsFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_flags", "I"); 9611c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID familyFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_family", "I"); 9621c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID socktypeFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_socktype", "I"); 9631c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID protocolFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_protocol", "I"); 9641c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9651c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes addrinfo hints; 9661c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes memset(&hints, 0, sizeof(hints)); 9671c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_flags = env->GetIntField(javaHints, flagsFid); 9681c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_family = env->GetIntField(javaHints, familyFid); 9691c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_socktype = env->GetIntField(javaHints, socktypeFid); 9701c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_protocol = env->GetIntField(javaHints, protocolFid); 9711c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9721c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes addrinfo* addressList = NULL; 97375cf14944d476670f6f915e5efd849e238a16250Elliott Hughes errno = 0; 9743e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen int rc = android_getaddrinfofornet(node.c_str(), NULL, &hints, netId, 0, &addressList); 975b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<addrinfo, addrinfo_deleter> addressListDeleter(addressList); 9761c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (rc != 0) { 9773e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen throwGaiException(env, "android_getaddrinfo", rc); 9781c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9791c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9801c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9811c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Count results so we know how to size the output array. 9821c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes int addressCount = 0; 9831c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes for (addrinfo* ai = addressList; ai != NULL; ai = ai->ai_next) { 9841c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (ai->ai_family == AF_INET || ai->ai_family == AF_INET6) { 9851c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ++addressCount; 9861c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } else { 9873e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen ALOGE("android_getaddrinfo unexpected ai_family %i", ai->ai_family); 9881c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9891c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9901c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (addressCount == 0) { 9911c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9921c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9931c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9941c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Prepare output array. 9951c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes jobjectArray result = env->NewObjectArray(addressCount, JniConstants::inetAddressClass, NULL); 9961c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (result == NULL) { 9971c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9981c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9991c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 10001c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Examine returned addresses one by one, save them in the output array. 10011c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes int index = 0; 10021c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes for (addrinfo* ai = addressList; ai != NULL; ai = ai->ai_next) { 10031c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) { 10041c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Unknown address family. Skip this address. 10053e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen ALOGE("android_getaddrinfo unexpected ai_family %i", ai->ai_family); 10061c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes continue; 10071c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 10081c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 10091c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Convert each IP address into a Java byte array. 1010482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr_storage& address = *reinterpret_cast<sockaddr_storage*>(ai->ai_addr); 101123ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes ScopedLocalRef<jobject> inetAddress(env, sockaddrToInetAddress(env, address, NULL)); 10121c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (inetAddress.get() == NULL) { 10131c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 10141c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 10151c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes env->SetObjectArrayElement(result, index, inetAddress.get()); 10161c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ++index; 10171c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 10181c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return result; 10191c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes} 10201c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 1021396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getegid(JNIEnv*, jobject) { 1022564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getegid(); 1023396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1024396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1025396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_geteuid(JNIEnv*, jobject) { 1026564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return geteuid(); 1027396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1028396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1029396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getgid(JNIEnv*, jobject) { 1030564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getgid(); 1031396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1032396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1033ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughesstatic jstring Posix_getenv(JNIEnv* env, jobject, jstring javaName) { 1034ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes ScopedUtfChars name(env, javaName); 1035ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes if (name.c_str() == NULL) { 1036ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes return NULL; 1037ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes } 1038ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes return env->NewStringUTF(getenv(name.c_str())); 1039ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes} 1040ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes 10414f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic jstring Posix_getnameinfo(JNIEnv* env, jobject, jobject javaAddress, jint flags) { 10424f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes sockaddr_storage ss; 1043482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t sa_len; 1044482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (!inetAddressToSockaddrVerbatim(env, javaAddress, 0, ss, sa_len)) { 10454f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return NULL; 10464f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 10474f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes char buf[NI_MAXHOST]; // NI_MAXHOST is longer than INET6_ADDRSTRLEN. 104875cf14944d476670f6f915e5efd849e238a16250Elliott Hughes errno = 0; 1049482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = getnameinfo(reinterpret_cast<sockaddr*>(&ss), sa_len, buf, sizeof(buf), NULL, 0, flags); 10504f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes if (rc != 0) { 10514f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwGaiException(env, "getnameinfo", rc); 10524f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return NULL; 10534f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 10544f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return env->NewStringUTF(buf); 10554f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 10564f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 1057482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject Posix_getpeername(JNIEnv* env, jobject, jobject javaFd) { 1058482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return doGetSockName(env, javaFd, false); 1059482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 1060482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 10618f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic jint Posix_getpgid(JNIEnv* env, jobject, jint pid) { 10628f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes return throwIfMinusOne(env, "getpgid", TEMP_FAILURE_RETRY(getpgid(pid))); 10638f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 10648f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 1065396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getpid(JNIEnv*, jobject) { 1066fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(getpid()); 1067396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1068396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1069396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getppid(JNIEnv*, jobject) { 1070fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(getppid()); 1071396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1072396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1073d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject Posix_getpwnam(JNIEnv* env, jobject, jstring javaName) { 1074d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes ScopedUtfChars name(env, javaName); 1075d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes if (name.c_str() == NULL) { 1076d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return NULL; 1077d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 1078d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return Passwd(env).getpwnam(name.c_str()); 1079d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 1080d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 1081d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject Posix_getpwuid(JNIEnv* env, jobject, jint uid) { 1082d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return Passwd(env).getpwuid(uid); 1083d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 1084d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 10850a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockname(JNIEnv* env, jobject, jobject javaFd) { 1086482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return doGetSockName(env, javaFd, true); 10870a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 10880a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 10890a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jint Posix_getsockoptByte(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 10900a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 10910a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes u_char result = 0; 10920a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(result); 10930a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwIfMinusOne(env, "getsockopt", TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &result, &size))); 10940a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return result; 10950a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 10960a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 10970a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptInAddr(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 10980a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 10990a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes sockaddr_storage ss; 11000a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&ss, 0, sizeof(ss)); 11010a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes ss.ss_family = AF_INET; // This is only for the IPv4-only IP_MULTICAST_IF. 11020a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes sockaddr_in* sa = reinterpret_cast<sockaddr_in*>(&ss); 11030a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(sa->sin_addr); 11040a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &sa->sin_addr, &size)); 11050a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 11060a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 11070a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 11080a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 1109482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, ss, NULL); 11100a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11110a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11120a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jint Posix_getsockoptInt(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11130a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11140a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes jint result = 0; 11150a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(result); 11160a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwIfMinusOne(env, "getsockopt", TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &result, &size))); 11170a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return result; 11180a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11190a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11200a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptLinger(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11210a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11220a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes struct linger l; 11230a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(l); 11240a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&l, 0, size); 11250a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &l, &size)); 11260a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 11270a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 11280a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 11290a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 11300a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return makeStructLinger(env, l); 11310a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11320a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11330a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptTimeval(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11340a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11350a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes struct timeval tv; 11360a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(tv); 11370a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&tv, 0, size); 11380a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &tv, &size)); 11390a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 11400a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 11410a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 11420a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 11430a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return makeStructTimeval(env, tv); 11440a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11450a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 1146482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject Posix_getsockoptUcred(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 1147482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1148482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes struct ucred u; 1149482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t size = sizeof(u); 1150482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes memset(&u, 0, size); 1151482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &u, &size)); 1152482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (rc == -1) { 1153482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes throwErrnoException(env, "getsockopt"); 1154482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return NULL; 1155482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes } 1156482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return makeStructUcred(env, u); 1157482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 1158482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 11593deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jint Posix_gettid(JNIEnv* env __unused, jobject) { 1160efe42934a8523f2b051a351e5eceebf6216454aeElliott Hughes#if defined(__BIONIC__) 1161fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(gettid()); 11623deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers#else 1163069525a39125c203b658c805685b6045a7d4dfebElliott Hughes return syscall(__NR_gettid); 11643deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers#endif 1165069525a39125c203b658c805685b6045a7d4dfebElliott Hughes} 1166069525a39125c203b658c805685b6045a7d4dfebElliott Hughes 1167396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getuid(JNIEnv*, jobject) { 1168564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getuid(); 1169396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1170396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 117140afa6bcd4652a16fe461a59f205dd0d65652118Yi Kongstatic jbyteArray Posix_getxattr(JNIEnv* env, jobject, jstring javaPath, 117240afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong jstring javaName) { 117390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 117490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 117540afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return NULL; 117690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 117790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 117890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 117940afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return NULL; 118090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 118140afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong 118240afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong while (true) { 118340afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong // Get the current size of the named extended attribute. 118440afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong ssize_t valueLength; 118540afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong if ((valueLength = getxattr(path.c_str(), name.c_str(), NULL, 0)) < 0) { 118640afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong throwErrnoException(env, "getxattr"); 118740afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return NULL; 118840afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong } 118940afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong 119040afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong // Create the actual byte array. 119140afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong std::vector<char> buf(valueLength); 119240afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong if ((valueLength = getxattr(path.c_str(), name.c_str(), buf.data(), valueLength)) < 0) { 119340afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong if (errno == ERANGE) { 119440afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong // The attribute value has changed since last getxattr call and buf no longer fits, 119540afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong // try again. 119640afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong continue; 119740afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong } 119840afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong throwErrnoException(env, "getxattr"); 119940afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return NULL; 120040afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong } 120140afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong jbyteArray array = env->NewByteArray(valueLength); 120240afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong if (array == NULL) { 120340afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return NULL; 120440afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong } 120540afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong env->SetByteArrayRegion(array, 0, valueLength, reinterpret_cast<const jbyte*>(buf.data())); 120640afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong return array; 120790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 120890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 120990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 12106d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kongstatic jobjectArray Posix_getifaddrs(JNIEnv* env, jobject) { 12116d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong static jmethodID ctor = env->GetMethodID(JniConstants::structIfaddrs, "<init>", 12126d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong "(Ljava/lang/String;ILjava/net/InetAddress;Ljava/net/InetAddress;Ljava/net/InetAddress;[B)V"); 12136d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12146d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong ifaddrs* ifaddr; 12156d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong int rc = TEMP_FAILURE_RETRY(getifaddrs(&ifaddr)); 12166d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (rc == -1) { 12176d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong throwErrnoException(env, "getifaddrs"); 12186d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12196d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12206d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong std::unique_ptr<ifaddrs, decltype(&freeifaddrs)> ifaddrPtr(ifaddr, freeifaddrs); 12216d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12226d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // Count results so we know how to size the output array. 12236d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jint ifCount = 0; 12246d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong for (ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { 12256d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong ++ifCount; 12266d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12276d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12286d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // Prepare output array. 12296d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jobjectArray result = env->NewObjectArray(ifCount, JniConstants::structIfaddrs, NULL); 12306d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (result == NULL) { 12316d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12326d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12336d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12346d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // Traverse the list and populate the output array. 12356d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong int index = 0; 12366d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong for (ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next, ++index) { 12376d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong TO_JAVA_STRING(name, ifa->ifa_name); 12386d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jint flags = ifa->ifa_flags; 12396d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong sockaddr_storage* interfaceAddr = 12406d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong reinterpret_cast<sockaddr_storage*>(ifa->ifa_addr); 12416d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong sockaddr_storage* netmaskAddr = 12426d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong reinterpret_cast<sockaddr_storage*>(ifa->ifa_netmask); 12436d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong sockaddr_storage* broadAddr = 12446d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong reinterpret_cast<sockaddr_storage*>(ifa->ifa_broadaddr); 12456d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12466d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jobject addr, netmask, broad; 12476d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jbyteArray hwaddr = NULL; 12486d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (interfaceAddr != NULL) { 12496d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong switch (interfaceAddr->ss_family) { 12506d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong case AF_INET: 12516d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong case AF_INET6: 12526d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // IPv4 / IPv6. 12536d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // interfaceAddr and netmaskAddr are never null. 12546d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if ((addr = sockaddrToInetAddress(env, *interfaceAddr, NULL)) == NULL) { 12556d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12566d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12576d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if ((netmask = sockaddrToInetAddress(env, *netmaskAddr, NULL)) == NULL) { 12586d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12596d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12606d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (broadAddr != NULL && (ifa->ifa_flags & IFF_BROADCAST)) { 12616d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if ((broad = sockaddrToInetAddress(env, *broadAddr, NULL)) == NULL) { 12626d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12636d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12646d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } else { 12656d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong broad = NULL; 12666d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12676d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong break; 12686d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong case AF_PACKET: 12696d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // Raw Interface. 12706d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong sockaddr_ll* sll = reinterpret_cast<sockaddr_ll*>(ifa->ifa_addr); 12716d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12726d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong bool allZero = true; 12736d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong for (int i = 0; i < sll->sll_halen; ++i) { 12746d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (sll->sll_addr[i] != 0) { 12756d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong allZero = false; 12766d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong break; 12776d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12786d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12796d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12806d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (!allZero) { 12816d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong hwaddr = env->NewByteArray(sll->sll_halen); 12826d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong if (hwaddr == NULL) { 12836d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return NULL; 12846d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12856d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong env->SetByteArrayRegion(hwaddr, 0, sll->sll_halen, 12866d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong reinterpret_cast<const jbyte*>(sll->sll_addr)); 12876d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12886d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong addr = netmask = broad = NULL; 12896d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong break; 12906d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12916d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } else { 12926d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // Preserve the entry even if the interface has no interface address. 12936d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // http://b/29243557/ 12946d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong addr = netmask = broad = NULL; 12956d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 12966d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 12976d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong jobject o = env->NewObject(JniConstants::structIfaddrs, ctor, name, flags, addr, netmask, 12986d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong broad, hwaddr); 12996d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong env->SetObjectArrayElement(result, index, o); 13006d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong } 13016d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 13026d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return result; 13036d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong} 13046d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 1305a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic jstring Posix_if_indextoname(JNIEnv* env, jobject, jint index) { 1306a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes char buf[IF_NAMESIZE]; 1307a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes char* name = if_indextoname(index, buf); 1308a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes // if_indextoname(3) returns NULL on failure, which will come out of NewStringUTF unscathed. 1309a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes // There's no useful information in errno, so we don't bother throwing. Callers can null-check. 1310a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return env->NewStringUTF(name); 1311a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 1312a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 13136d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kongstatic jint Posix_if_nametoindex(JNIEnv* env, jobject, jstring name) { 13146d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong ScopedUtfChars cname(env, name); 1315507ae71a0387dbf4ec17e5eef27b9d3d6d691986Yi Kong if (cname.c_str() == NULL) { 1316507ae71a0387dbf4ec17e5eef27b9d3d6d691986Yi Kong return 0; 1317507ae71a0387dbf4ec17e5eef27b9d3d6d691986Yi Kong } 1318507ae71a0387dbf4ec17e5eef27b9d3d6d691986Yi Kong 13196d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong // There's no useful information in errno, so we don't bother throwing. Callers can zero-check. 13206d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong return if_nametoindex(cname.c_str()); 13216d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong} 13226d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong 1323fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughesstatic jobject Posix_inet_pton(JNIEnv* env, jobject, jint family, jstring javaName) { 13241c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ScopedUtfChars name(env, javaName); 13251c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (name.c_str() == NULL) { 13261c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 13271c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 13281c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes sockaddr_storage ss; 13291c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes memset(&ss, 0, sizeof(ss)); 1330fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes // sockaddr_in and sockaddr_in6 are at the same address, so we can use either here. 1331fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes void* dst = &reinterpret_cast<sockaddr_in*>(&ss)->sin_addr; 1332fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes if (inet_pton(family, name.c_str(), dst) != 1) { 13331c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 13341c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 1335fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes ss.ss_family = family; 1336482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, ss, NULL); 13371c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes} 13381c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 133945348e170536651c0e5f8d5cb0319ba232a1b833Yi Kongstatic jint Posix_ioctlFlags(JNIEnv* env, jobject, jobject javaFd, jstring javaInterfaceName) { 134045348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong struct ifreq req; 134145348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong if (!fillIfreq(env, javaInterfaceName, req)) { 134245348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong return 0; 134345348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong } 134445348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong int fd = jniGetFDFromFileDescriptor(env, javaFd); 134545348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, SIOCGIFFLAGS, &req))); 134645348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong return req.ifr_flags; 134745348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong} 134845348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong 1349a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic jobject Posix_ioctlInetAddress(JNIEnv* env, jobject, jobject javaFd, jint cmd, jstring javaInterfaceName) { 1350a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes struct ifreq req; 1351a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (!fillIfreq(env, javaInterfaceName, req)) { 1352a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return NULL; 1353a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 1354a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1355a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes int rc = throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, cmd, &req))); 1356a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (rc == -1) { 1357a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return NULL; 1358a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 1359482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, reinterpret_cast<sockaddr_storage&>(req.ifr_addr), NULL); 1360a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 1361a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 13628b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughesstatic jint Posix_ioctlInt(JNIEnv* env, jobject, jobject javaFd, jint cmd, jobject javaArg) { 13638b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // This is complicated because ioctls may return their result by updating their argument 13648b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // or via their return value, so we need to support both. 1365461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 13668b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableIntClass, "value", "I"); 13678b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes jint arg = env->GetIntField(javaArg, valueFid); 13688b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int rc = throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, cmd, &arg))); 13698b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (!env->ExceptionCheck()) { 13708b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes env->SetIntField(javaArg, valueFid, arg); 13718b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 13728b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes return rc; 1373461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes} 1374461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes 137545348e170536651c0e5f8d5cb0319ba232a1b833Yi Kongstatic jint Posix_ioctlMTU(JNIEnv* env, jobject, jobject javaFd, jstring javaInterfaceName) { 137645348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong struct ifreq req; 137745348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong if (!fillIfreq(env, javaInterfaceName, req)) { 137845348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong return 0; 137945348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong } 138045348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong int fd = jniGetFDFromFileDescriptor(env, javaFd); 138145348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, SIOCGIFMTU, &req))); 138245348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong return req.ifr_mtu; 138345348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong} 138445348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong 13859a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughesstatic jboolean Posix_isatty(JNIEnv* env, jobject, jobject javaFd) { 13869a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1387bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig return TEMP_FAILURE_RETRY(isatty(fd)) == 1; 13889a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes} 13899a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes 1390a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughesstatic void Posix_kill(JNIEnv* env, jobject, jint pid, jint sig) { 1391a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes throwIfMinusOne(env, "kill", TEMP_FAILURE_RETRY(kill(pid, sig))); 1392a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes} 1393a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes 139444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_lchown(JNIEnv* env, jobject, jstring javaPath, jint uid, jint gid) { 139544f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes ScopedUtfChars path(env, javaPath); 139644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes if (path.c_str() == NULL) { 139744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return; 139844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes } 139944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "lchown", TEMP_FAILURE_RETRY(lchown(path.c_str(), uid, gid))); 140044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 140144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 140204428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughesstatic void Posix_link(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 140304428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 140404428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes if (oldPath.c_str() == NULL) { 140504428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes return; 140604428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes } 140704428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 140804428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes if (newPath.c_str() == NULL) { 140904428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes return; 141004428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes } 141104428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes throwIfMinusOne(env, "link", TEMP_FAILURE_RETRY(link(oldPath.c_str(), newPath.c_str()))); 141204428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes} 141304428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes 1414e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughesstatic void Posix_listen(JNIEnv* env, jobject, jobject javaFd, jint backlog) { 1415e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1416e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes throwIfMinusOne(env, "listen", TEMP_FAILURE_RETRY(listen(fd, backlog))); 1417e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes} 1418e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes 141955dd377d62cf780df94d8e0198b66e99456b6f50Yi Kongstatic jobjectArray Posix_listxattr(JNIEnv* env, jobject, jstring javaPath) { 142055dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong ScopedUtfChars path(env, javaPath); 142155dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong if (path.c_str() == NULL) { 142255dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong return NULL; 142355dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong } 142455dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong 142555dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong while (true) { 142655dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong // Get the current size of the named extended attribute. 142755dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong ssize_t valueLength; 142855dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong if ((valueLength = listxattr(path.c_str(), NULL, 0)) < 0) { 142955dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong throwErrnoException(env, "listxattr"); 143055dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong return NULL; 143155dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong } 143255dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong 143355dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong // Create the actual byte array. 143455dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong std::string buf(valueLength, '\0'); 143555dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong if ((valueLength = listxattr(path.c_str(), &buf[0], valueLength)) < 0) { 143655dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong if (errno == ERANGE) { 143755dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong // The attribute value has changed since last listxattr call and buf no longer fits, 143855dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong // try again. 143955dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong continue; 144055dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong } 144155dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong throwErrnoException(env, "listxattr"); 144255dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong return NULL; 144355dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong } 144455dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong 144555dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong // Split the output by '\0'. 144655dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong buf.resize(valueLength > 0 ? valueLength - 1 : 0); // Remove the trailing NULL character. 144755dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong std::string delim("\0", 1); 144855dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong auto xattrs = android::base::Split(buf, delim); 144955dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong 145055dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong return toStringArray(env, xattrs); 145155dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong } 145255dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong} 145355dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong 1454dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughesstatic jlong Posix_lseek(JNIEnv* env, jobject, jobject javaFd, jlong offset, jint whence) { 1455dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 14567e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes return throwIfMinusOne(env, "lseek", TEMP_FAILURE_RETRY(lseek64(fd, offset, whence))); 1457dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes} 1458dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes 145947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_lstat(JNIEnv* env, jobject, jstring javaPath) { 146047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return doStat(env, javaPath, true); 146147cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 146247cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 14630f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughesstatic void Posix_mincore(JNIEnv* env, jobject, jlong address, jlong byteCount, jbyteArray javaVector) { 14640f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes ScopedByteArrayRW vector(env, javaVector); 14650f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes if (vector.get() == NULL) { 14660f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes return; 14670f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes } 14680f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 14690f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes unsigned char* vec = reinterpret_cast<unsigned char*>(vector.get()); 14700f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes throwIfMinusOne(env, "mincore", TEMP_FAILURE_RETRY(mincore(ptr, byteCount, vec))); 14710f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes} 14720f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes 1473c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughesstatic void Posix_mkdir(JNIEnv* env, jobject, jstring javaPath, jint mode) { 1474c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes ScopedUtfChars path(env, javaPath); 1475c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes if (path.c_str() == NULL) { 1476c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes return; 1477c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes } 1478c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes throwIfMinusOne(env, "mkdir", TEMP_FAILURE_RETRY(mkdir(path.c_str(), mode))); 1479c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes} 1480c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes 1481f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fullerstatic void Posix_mkfifo(JNIEnv* env, jobject, jstring javaPath, jint mode) { 1482f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller ScopedUtfChars path(env, javaPath); 1483f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (path.c_str() == NULL) { 1484f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return; 1485f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } 1486f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller throwIfMinusOne(env, "mkfifo", TEMP_FAILURE_RETRY(mkfifo(path.c_str(), mode))); 1487f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller} 1488f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller 14897e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughesstatic void Posix_mlock(JNIEnv* env, jobject, jlong address, jlong byteCount) { 14907e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 14917e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes throwIfMinusOne(env, "mlock", TEMP_FAILURE_RETRY(mlock(ptr, byteCount))); 14927e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes} 14937e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes 14947e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic jlong Posix_mmap(JNIEnv* env, jobject, jlong address, jlong byteCount, jint prot, jint flags, jobject javaFd, jlong offset) { 14957e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 14967e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* suggestedPtr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 149713a70e6c04157064fc8a61ecfcb1d863f29c239dYi Kong void* ptr = mmap64(suggestedPtr, byteCount, prot, flags, fd, offset); 14987e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes if (ptr == MAP_FAILED) { 14997e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "mmap"); 15007e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes } 15017e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes return static_cast<jlong>(reinterpret_cast<uintptr_t>(ptr)); 15027e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 15037e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 15047e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic void Posix_msync(JNIEnv* env, jobject, jlong address, jlong byteCount, jint flags) { 15057e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 15067e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "msync", TEMP_FAILURE_RETRY(msync(ptr, byteCount, flags))); 15077e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 15087e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 15097e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughesstatic void Posix_munlock(JNIEnv* env, jobject, jlong address, jlong byteCount) { 15107e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 15117e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes throwIfMinusOne(env, "munlock", TEMP_FAILURE_RETRY(munlock(ptr, byteCount))); 15127e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes} 15137e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes 15147e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic void Posix_munmap(JNIEnv* env, jobject, jlong address, jlong byteCount) { 15157e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 15167e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "munmap", TEMP_FAILURE_RETRY(munmap(ptr, byteCount))); 15177e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 15187e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 15190ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughesstatic jobject Posix_open(JNIEnv* env, jobject, jstring javaPath, jint flags, jint mode) { 15200ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes ScopedUtfChars path(env, javaPath); 15210ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes if (path.c_str() == NULL) { 15220ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes return NULL; 15230ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes } 15240ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes int fd = throwIfMinusOne(env, "open", TEMP_FAILURE_RETRY(open(path.c_str(), flags, mode))); 15250ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes return fd != -1 ? jniCreateFileDescriptor(env, fd) : NULL; 15260ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes} 15270ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes 15285e92aa60a8a7103c71a4607ac05880e536f4195eElliott Hughesstatic jobjectArray Posix_pipe2(JNIEnv* env, jobject, jint flags __unused) { 152941f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes int fds[2]; 15300d8b5c3692c36837d22c4e7d9c4d7d95f6a10235Elliott Hughes throwIfMinusOne(env, "pipe2", TEMP_FAILURE_RETRY(pipe2(&fds[0], flags))); 153141f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes jobjectArray result = env->NewObjectArray(2, JniConstants::fileDescriptorClass, NULL); 153241f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (result == NULL) { 153341f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 153441f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 153541f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes for (int i = 0; i < 2; ++i) { 153641f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes ScopedLocalRef<jobject> fd(env, jniCreateFileDescriptor(env, fds[i])); 153741f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (fd.get() == NULL) { 153841f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 153941f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 154041f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes env->SetObjectArrayElement(result, i, fd.get()); 154141f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (env->ExceptionCheck()) { 154241f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 154341f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 154441f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 154541f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return result; 154641f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes} 154741f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes 154870c820401677ca251ad09ac64cc23c760764e75dElliott Hughesstatic jint Posix_poll(JNIEnv* env, jobject, jobjectArray javaStructs, jint timeoutMs) { 154970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID fdFid = env->GetFieldID(JniConstants::structPollfdClass, "fd", "Ljava/io/FileDescriptor;"); 155070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID eventsFid = env->GetFieldID(JniConstants::structPollfdClass, "events", "S"); 155170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID reventsFid = env->GetFieldID(JniConstants::structPollfdClass, "revents", "S"); 155270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 15535d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes // Turn the Java android.system.StructPollfd[] into a C++ struct pollfd[]. 155470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes size_t arrayLength = env->GetArrayLength(javaStructs); 1555b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<struct pollfd[]> fds(new struct pollfd[arrayLength]); 155670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes memset(fds.get(), 0, sizeof(struct pollfd) * arrayLength); 155770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes size_t count = 0; // Some trailing array elements may be irrelevant. (See below.) 155870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes for (size_t i = 0; i < arrayLength; ++i) { 155970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaStruct(env, env->GetObjectArrayElement(javaStructs, i)); 156070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (javaStruct.get() == NULL) { 156170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes break; // We allow trailing nulls in the array for caller convenience. 156270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 156370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaFd(env, env->GetObjectField(javaStruct.get(), fdFid)); 156470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (javaFd.get() == NULL) { 156570c820401677ca251ad09ac64cc23c760764e75dElliott Hughes break; // We also allow callers to just clear the fd field (this is what Selector does). 156670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 156770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes fds[count].fd = jniGetFDFromFileDescriptor(env, javaFd.get()); 156870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes fds[count].events = env->GetShortField(javaStruct.get(), eventsFid); 156970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ++count; 157070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 157170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 1572f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller std::vector<AsynchronousCloseMonitor*> monitors; 1573796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes for (size_t i = 0; i < count; ++i) { 1574f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller monitors.push_back(new AsynchronousCloseMonitor(fds[i].fd)); 1575796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes } 1576fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1577fa542091e45db699a937c5ac0191194405107827Elliott Hughes int rc; 1578fa542091e45db699a937c5ac0191194405107827Elliott Hughes while (true) { 1579fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec before; 1580fa542091e45db699a937c5ac0191194405107827Elliott Hughes clock_gettime(CLOCK_MONOTONIC, &before); 1581fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1582fa542091e45db699a937c5ac0191194405107827Elliott Hughes rc = poll(fds.get(), count, timeoutMs); 1583fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (rc >= 0 || errno != EINTR) { 1584fa542091e45db699a937c5ac0191194405107827Elliott Hughes break; 1585fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1586fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1587fa542091e45db699a937c5ac0191194405107827Elliott Hughes // We got EINTR. Work out how much of the original timeout is still left. 1588fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (timeoutMs > 0) { 1589fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec now; 1590fa542091e45db699a937c5ac0191194405107827Elliott Hughes clock_gettime(CLOCK_MONOTONIC, &now); 1591fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1592fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec diff; 1593fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_sec = now.tv_sec - before.tv_sec; 1594fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_nsec = now.tv_nsec - before.tv_nsec; 1595fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (diff.tv_nsec < 0) { 1596fa542091e45db699a937c5ac0191194405107827Elliott Hughes --diff.tv_sec; 1597fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_nsec += 1000000000; 1598fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1599fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1600fa542091e45db699a937c5ac0191194405107827Elliott Hughes jint diffMs = diff.tv_sec * 1000 + diff.tv_nsec / 1000000; 1601fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (diffMs >= timeoutMs) { 1602fa542091e45db699a937c5ac0191194405107827Elliott Hughes rc = 0; // We have less than 1ms left anyway, so just time out. 1603fa542091e45db699a937c5ac0191194405107827Elliott Hughes break; 1604fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1605fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1606fa542091e45db699a937c5ac0191194405107827Elliott Hughes timeoutMs -= diffMs; 1607fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1608fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1609fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1610796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes for (size_t i = 0; i < monitors.size(); ++i) { 1611796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes delete monitors[i]; 1612796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes } 161370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (rc == -1) { 161470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes throwErrnoException(env, "poll"); 161570c820401677ca251ad09ac64cc23c760764e75dElliott Hughes return -1; 161670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 161770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 16185d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes // Update the revents fields in the Java android.system.StructPollfd[]. 161998b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes for (size_t i = 0; i < count; ++i) { 162070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaStruct(env, env->GetObjectArrayElement(javaStructs, i)); 162198b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes if (javaStruct.get() == NULL) { 162298b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes return -1; 162398b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes } 162470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes env->SetShortField(javaStruct.get(), reventsFid, fds[i].revents); 162570c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 162670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes return rc; 162770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes} 162870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 16293deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic void Posix_posix_fallocate(JNIEnv* env, jobject, jobject javaFd __unused, 16303deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers jlong offset __unused, jlong length __unused) { 163111f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1632fa542091e45db699a937c5ac0191194405107827Elliott Hughes while ((errno = posix_fallocate64(fd, offset, length)) == EINTR) { 1633fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 163411f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes if (errno != 0) { 163511f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes throwErrnoException(env, "posix_fallocate"); 163611f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes } 163711f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes} 163811f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes 16393deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jint Posix_prctl(JNIEnv* env, jobject, jint option __unused, jlong arg2 __unused, 16403deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers jlong arg3 __unused, jlong arg4 __unused, jlong arg5 __unused) { 1641fa542091e45db699a937c5ac0191194405107827Elliott Hughes int result = TEMP_FAILURE_RETRY(prctl(static_cast<int>(option), 1642fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg2), 1643fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg3), 1644fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg4), 1645fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg5))); 16465215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich return throwIfMinusOne(env, "prctl", result); 16475215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich} 16485215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich 1649e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughesstatic jint Posix_preadBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jlong offset) { 1650e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 1651e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes if (bytes.get() == NULL) { 1652e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes return -1; 1653e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes } 1654f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, pread64, javaFd, bytes.get() + byteOffset, byteCount, offset); 1655e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes} 1656e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes 1657e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughesstatic jint Posix_pwriteBytes(JNIEnv* env, jobject, jobject javaFd, jbyteArray javaBytes, jint byteOffset, jint byteCount, jlong offset) { 1658e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes ScopedBytesRO bytes(env, javaBytes); 1659e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes if (bytes.get() == NULL) { 1660e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes return -1; 1661e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes } 1662f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, pwrite64, javaFd, bytes.get() + byteOffset, byteCount, offset); 1663e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes} 1664e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes 16650568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughesstatic jint Posix_readBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount) { 16660568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 166726c7025a7a919044771fb89031161bd26fe03032Elliott Hughes if (bytes.get() == NULL) { 166826c7025a7a919044771fb89031161bd26fe03032Elliott Hughes return -1; 166926c7025a7a919044771fb89031161bd26fe03032Elliott Hughes } 1670f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, read, javaFd, bytes.get() + byteOffset, byteCount); 167126c7025a7a919044771fb89031161bd26fe03032Elliott Hughes} 167226c7025a7a919044771fb89031161bd26fe03032Elliott Hughes 16730b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughesstatic jstring Posix_readlink(JNIEnv* env, jobject, jstring javaPath) { 16740b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes ScopedUtfChars path(env, javaPath); 16750b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes if (path.c_str() == NULL) { 16760b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return NULL; 16770b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes } 16780b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes 16790b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes std::string result; 16802cb2851f4a528e3e6e3e59cf3e854c2abf9f1811Elliott Hughes if (!android::base::Readlink(path.c_str(), &result)) { 16810b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes throwErrnoException(env, "readlink"); 16820b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return NULL; 16830b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes } 16840b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return env->NewStringUTF(result.c_str()); 16850b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes} 16860b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes 16875d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamathstatic jstring Posix_realpath(JNIEnv* env, jobject, jstring javaPath) { 16885d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath ScopedUtfChars path(env, javaPath); 16895d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath if (path.c_str() == NULL) { 16905d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath return NULL; 16915d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath } 16925d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath 16935d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath std::unique_ptr<char, c_deleter> real_path(realpath(path.c_str(), nullptr)); 16945d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath if (real_path.get() == nullptr) { 16955d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath throwErrnoException(env, "realpath"); 16965d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath return NULL; 16975d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath } 16985d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath 16995d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath return env->NewStringUTF(real_path.get()); 17005d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath} 17015d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath 1702bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesstatic jint Posix_readv(JNIEnv* env, jobject, jobject javaFd, jobjectArray buffers, jintArray offsets, jintArray byteCounts) { 17038dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes IoVec<ScopedBytesRW> ioVec(env, env->GetArrayLength(buffers)); 1704bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (!ioVec.init(buffers, offsets, byteCounts)) { 1705bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return -1; 1706bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 1707f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, readv, javaFd, ioVec.get(), ioVec.size()); 1708bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes} 1709bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 171023ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughesstatic jint Posix_recvfromBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaInetSocketAddress) { 171123ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 171223ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes if (bytes.get() == NULL) { 171323ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes return -1; 171423ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes } 171523ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes sockaddr_storage ss; 171623ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes socklen_t sl = sizeof(ss); 171723ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes memset(&ss, 0, sizeof(ss)); 171823ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes sockaddr* from = (javaInetSocketAddress != NULL) ? reinterpret_cast<sockaddr*>(&ss) : NULL; 171923ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes socklen_t* fromLength = (javaInetSocketAddress != NULL) ? &sl : 0; 17201124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes jint recvCount = NET_FAILURE_RETRY(env, ssize_t, recvfrom, javaFd, bytes.get() + byteOffset, byteCount, flags, from, fromLength); 17216e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak if (recvCount > 0) { 17226e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak fillInetSocketAddress(env, javaInetSocketAddress, ss); 17230ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 172423ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes return recvCount; 172523ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes} 172623ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes 1727c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughesstatic void Posix_remove(JNIEnv* env, jobject, jstring javaPath) { 1728c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes ScopedUtfChars path(env, javaPath); 1729c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes if (path.c_str() == NULL) { 1730c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes return; 1731c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes } 1732c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes throwIfMinusOne(env, "remove", TEMP_FAILURE_RETRY(remove(path.c_str()))); 1733c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes} 1734c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes 173590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkeystatic void Posix_removexattr(JNIEnv* env, jobject, jstring javaPath, jstring javaName) { 173690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 173790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 173890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 173990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 174090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 174190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 174290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 174390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 174490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 174590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey int res = removexattr(path.c_str(), name.c_str()); 174690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (res < 0) { 174790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey throwErrnoException(env, "removexattr"); 174890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 174990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 175090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 1751a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughesstatic void Posix_rename(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 1752a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 1753a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (oldPath.c_str() == NULL) { 1754a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1755a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1756a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 1757a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (newPath.c_str() == NULL) { 1758a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1759a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1760a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes throwIfMinusOne(env, "rename", TEMP_FAILURE_RETRY(rename(oldPath.c_str(), newPath.c_str()))); 1761a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes} 1762a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes 17638b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughesstatic jlong Posix_sendfile(JNIEnv* env, jobject, jobject javaOutFd, jobject javaInFd, jobject javaOffset, jlong byteCount) { 17648b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int outFd = jniGetFDFromFileDescriptor(env, javaOutFd); 17658b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int inFd = jniGetFDFromFileDescriptor(env, javaInFd); 17668b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableLongClass, "value", "J"); 17678b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes off_t offset = 0; 17688b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes off_t* offsetPtr = NULL; 17698b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (javaOffset != NULL) { 17708b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // TODO: fix bionic so we can have a 64-bit off_t! 17718b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes offset = env->GetLongField(javaOffset, valueFid); 17728b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes offsetPtr = &offset; 17738b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 17748b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes jlong result = throwIfMinusOne(env, "sendfile", TEMP_FAILURE_RETRY(sendfile(outFd, inFd, offsetPtr, byteCount))); 17758b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (javaOffset != NULL) { 17768b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes env->SetLongField(javaOffset, valueFid, offset); 17778b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 17788b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes return result; 17798b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes} 17808b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes 178190d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughesstatic jint Posix_sendtoBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaInetAddress, jint port) { 178290d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes ScopedBytesRO bytes(env, javaBytes); 178390d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes if (bytes.get() == NULL) { 178490d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes return -1; 178590d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes } 1786b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 1787b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return NET_IPV4_FALLBACK(env, ssize_t, sendto, javaFd, javaInetAddress, port, 1788b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti NULL_ADDR_OK, bytes.get() + byteOffset, byteCount, flags); 178990d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes} 179090d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes 1791a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colittistatic jint Posix_sendtoBytesSocketAddress(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaSocketAddress) { 1792f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 1793f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti // Use the InetAddress version so we get the benefit of NET_IPV4_FALLBACK. 1794f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jobject javaInetAddress; 1795f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jint port; 1796f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetSocketAddressToInetAddressAndPort(env, javaSocketAddress, javaInetAddress, port); 1797f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti return Posix_sendtoBytes(env, NULL, javaFd, javaBytes, byteOffset, byteCount, flags, 1798f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetAddress, port); 1799f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti } 1800f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti 1801a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti ScopedBytesRO bytes(env, javaBytes); 1802a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti if (bytes.get() == NULL) { 1803a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return -1; 1804a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti } 1805a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1806a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti sockaddr_storage ss; 1807a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti socklen_t sa_len; 1808a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 1809a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return -1; 1810a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti } 1811a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1812a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 1813a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti // We don't need the return value because we'll already have thrown. 1814a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return NET_FAILURE_RETRY(env, ssize_t, sendto, javaFd, bytes.get() + byteOffset, byteCount, flags, sa, sa_len); 1815a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti} 1816a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1817396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setegid(JNIEnv* env, jobject, jint egid) { 1818396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setegid", TEMP_FAILURE_RETRY(setegid(egid))); 1819396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1820396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1821895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughesstatic void Posix_setenv(JNIEnv* env, jobject, jstring javaName, jstring javaValue, jboolean overwrite) { 1822895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars name(env, javaName); 1823895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (name.c_str() == NULL) { 1824895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 1825895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 1826895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars value(env, javaValue); 1827895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (value.c_str() == NULL) { 1828895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 1829895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 1830895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes throwIfMinusOne(env, "setenv", setenv(name.c_str(), value.c_str(), overwrite)); 1831895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes} 1832895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes 1833396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_seteuid(JNIEnv* env, jobject, jint euid) { 1834396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "seteuid", TEMP_FAILURE_RETRY(seteuid(euid))); 1835396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1836396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1837396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setgid(JNIEnv* env, jobject, jint gid) { 1838396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setgid", TEMP_FAILURE_RETRY(setgid(gid))); 1839396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1840396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 18418f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setpgid(JNIEnv* env, jobject, jint pid, int pgid) { 18428f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setpgid", TEMP_FAILURE_RETRY(setpgid(pid, pgid))); 18438f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 18448f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 18458f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setregid(JNIEnv* env, jobject, jint rgid, int egid) { 18468f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setregid", TEMP_FAILURE_RETRY(setregid(rgid, egid))); 18478f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 18488f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 18498f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setreuid(JNIEnv* env, jobject, jint ruid, int euid) { 18508f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setreuid", TEMP_FAILURE_RETRY(setreuid(ruid, euid))); 18518f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 18528f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 18536c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughesstatic jint Posix_setsid(JNIEnv* env, jobject) { 18546c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes return throwIfMinusOne(env, "setsid", TEMP_FAILURE_RETRY(setsid())); 18556c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes} 18566c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes 1857c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptByte(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1858c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1859c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes u_char byte = value; 1860c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &byte, sizeof(byte)))); 1861c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1862c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1863a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic void Posix_setsockoptIfreq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jstring javaInterfaceName) { 1864a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes struct ifreq req; 1865a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (!fillIfreq(env, javaInterfaceName, req)) { 1866b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes return; 1867b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes } 1868b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1869b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req)))); 1870b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes} 1871b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes 1872454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughesstatic void Posix_setsockoptInt(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1873454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1874454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1875454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes} 1876454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes 1877b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughesstatic void Posix_setsockoptIpMreqn(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1878b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes ip_mreqn req; 1879b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes memset(&req, 0, sizeof(req)); 1880b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes req.imr_ifindex = value; 1881b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1882b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req)))); 1883b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes} 1884b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes 1885438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughesstatic void Posix_setsockoptGroupReq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaGroupReq) { 18868ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes struct group_req req; 18878ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes memset(&req, 0, sizeof(req)); 1888438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1889438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes static jfieldID grInterfaceFid = env->GetFieldID(JniConstants::structGroupReqClass, "gr_interface", "I"); 18908ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes req.gr_interface = env->GetIntField(javaGroupReq, grInterfaceFid); 1891438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // Get the IPv4 or IPv6 multicast address to join or leave. 1892438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes static jfieldID grGroupFid = env->GetFieldID(JniConstants::structGroupReqClass, "gr_group", "Ljava/net/InetAddress;"); 1893e9f12043a1e2a29c60779cdb55c58eb156963570Elliott Hughes ScopedLocalRef<jobject> javaGroup(env, env->GetObjectField(javaGroupReq, grGroupFid)); 1894482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t sa_len; 1895482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (!inetAddressToSockaddrVerbatim(env, javaGroup.get(), 0, req.gr_group, sa_len)) { 1896438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes return; 1897438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes } 1898438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1899438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 19008ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes int rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req))); 1901438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes if (rc == -1 && errno == EINVAL) { 1902438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // Maybe we're a 32-bit binary talking to a 64-bit kernel? 1903438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // glibc doesn't automatically handle this. 1904df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // http://sourceware.org/bugzilla/show_bug.cgi?id=12080 19059634b569a92841f32268907c88c408f22cb00486Elliott Hughes struct group_req64 { 1906438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes uint32_t gr_interface; 1907438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes uint32_t my_padding; 1908438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes sockaddr_storage gr_group; 1909438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes }; 19108ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes group_req64 req64; 19118ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes req64.gr_interface = req.gr_interface; 19128ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes memcpy(&req64.gr_group, &req.gr_group, sizeof(req.gr_group)); 19138ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req64, sizeof(req64))); 1914438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes } 1915438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes throwIfMinusOne(env, "setsockopt", rc); 1916438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes} 1917df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1918df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fullerstatic void Posix_setsockoptGroupSourceReq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaGroupSourceReq) { 1919df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller socklen_t sa_len; 1920df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller struct group_source_req req; 1921df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memset(&req, 0, sizeof(req)); 1922df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1923df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrInterfaceFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_interface", "I"); 1924df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller req.gsr_interface = env->GetIntField(javaGroupSourceReq, gsrInterfaceFid); 1925df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Get the IPv4 or IPv6 multicast address to join or leave. 1926df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrGroupFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_group", "Ljava/net/InetAddress;"); 1927df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller ScopedLocalRef<jobject> javaGroup(env, env->GetObjectField(javaGroupSourceReq, gsrGroupFid)); 1928df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (!inetAddressToSockaddrVerbatim(env, javaGroup.get(), 0, req.gsr_group, sa_len)) { 1929df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller return; 1930df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1931df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1932df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Get the IPv4 or IPv6 multicast address to add to the filter. 1933df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrSourceFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_source", "Ljava/net/InetAddress;"); 1934df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller ScopedLocalRef<jobject> javaSource(env, env->GetObjectField(javaGroupSourceReq, gsrSourceFid)); 1935df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (!inetAddressToSockaddrVerbatim(env, javaSource.get(), 0, req.gsr_source, sa_len)) { 1936df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller return; 1937df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1938df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1939df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller int fd = jniGetFDFromFileDescriptor(env, javaFd); 1940df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller int rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req))); 1941df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (rc == -1 && errno == EINVAL) { 1942df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Maybe we're a 32-bit binary talking to a 64-bit kernel? 1943df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // glibc doesn't automatically handle this. 1944df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // http://sourceware.org/bugzilla/show_bug.cgi?id=12080 1945df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller struct group_source_req64 { 1946df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller uint32_t gsr_interface; 1947df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller uint32_t my_padding; 1948df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller sockaddr_storage gsr_group; 1949df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller sockaddr_storage gsr_source; 1950df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller }; 1951df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller group_source_req64 req64; 1952df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller req64.gsr_interface = req.gsr_interface; 1953df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memcpy(&req64.gsr_group, &req.gsr_group, sizeof(req.gsr_group)); 1954df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memcpy(&req64.gsr_source, &req.gsr_source, sizeof(req.gsr_source)); 1955df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req64, sizeof(req64))); 1956df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1957df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller throwIfMinusOne(env, "setsockopt", rc); 1958df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller} 1959438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1960c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptLinger(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaLinger) { 1961c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID lOnoffFid = env->GetFieldID(JniConstants::structLingerClass, "l_onoff", "I"); 1962c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID lLingerFid = env->GetFieldID(JniConstants::structLingerClass, "l_linger", "I"); 1963c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1964c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes struct linger value; 1965c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes value.l_onoff = env->GetIntField(javaLinger, lOnoffFid); 1966c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes value.l_linger = env->GetIntField(javaLinger, lLingerFid); 1967c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1968c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1969c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1970c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptTimeval(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaTimeval) { 1971c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID tvSecFid = env->GetFieldID(JniConstants::structTimevalClass, "tv_sec", "J"); 1972c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID tvUsecFid = env->GetFieldID(JniConstants::structTimevalClass, "tv_usec", "J"); 1973c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1974c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes struct timeval value; 197539fd5e164f93ab821841aa4d1fac09055c102b8bElliott Hughes value.tv_sec = env->GetLongField(javaTimeval, tvSecFid); 197639fd5e164f93ab821841aa4d1fac09055c102b8bElliott Hughes value.tv_usec = env->GetLongField(javaTimeval, tvUsecFid); 1977c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1978c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1979c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1980396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setuid(JNIEnv* env, jobject, jint uid) { 1981396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setuid", TEMP_FAILURE_RETRY(setuid(uid))); 1982396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1983396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 198490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkeystatic void Posix_setxattr(JNIEnv* env, jobject, jstring javaPath, jstring javaName, 198590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey jbyteArray javaValue, jint flags) { 198690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 198790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 198890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 198990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 199090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 199190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 199290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 199390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 199490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedBytesRO value(env, javaValue); 199590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (value.get() == NULL) { 199690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 199790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 199890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey size_t valueLength = env->GetArrayLength(javaValue); 199990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey int res = setxattr(path.c_str(), name.c_str(), value.get(), valueLength, flags); 200090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (res < 0) { 200190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey throwErrnoException(env, "setxattr"); 200290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 200390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 200490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 200559e4744d27231f260271dbbca406e0cc39768116Elliott Hughesstatic void Posix_shutdown(JNIEnv* env, jobject, jobject javaFd, jint how) { 200659e4744d27231f260271dbbca406e0cc39768116Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 200759e4744d27231f260271dbbca406e0cc39768116Elliott Hughes throwIfMinusOne(env, "shutdown", TEMP_FAILURE_RETRY(shutdown(fd, how))); 200859e4744d27231f260271dbbca406e0cc39768116Elliott Hughes} 200959e4744d27231f260271dbbca406e0cc39768116Elliott Hughes 2010454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughesstatic jobject Posix_socket(JNIEnv* env, jobject, jint domain, jint type, jint protocol) { 201100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (domain == AF_PACKET) { 201200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti protocol = htons(protocol); // Packet sockets specify the protocol in host byte order. 201300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 2014454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes int fd = throwIfMinusOne(env, "socket", TEMP_FAILURE_RETRY(socket(domain, type, protocol))); 2015454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes return fd != -1 ? jniCreateFileDescriptor(env, fd) : NULL; 2016454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes} 2017454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes 20183218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughesstatic void Posix_socketpair(JNIEnv* env, jobject, jint domain, jint type, jint protocol, jobject javaFd1, jobject javaFd2) { 20193218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes int fds[2]; 20203218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes int rc = throwIfMinusOne(env, "socketpair", TEMP_FAILURE_RETRY(socketpair(domain, type, protocol, fds))); 20213218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes if (rc != -1) { 20223218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd1, fds[0]); 20233218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd2, fds[1]); 20243218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes } 20253218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes} 20263218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes 202747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_stat(JNIEnv* env, jobject, jstring javaPath) { 202847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return doStat(env, javaPath, false); 202947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 203047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 2031721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject Posix_statvfs(JNIEnv* env, jobject, jstring javaPath) { 203259fa7163774d6930a174bc038414a4b780581957Elliott Hughes ScopedUtfChars path(env, javaPath); 203359fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (path.c_str() == NULL) { 203459fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 203559fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 2036721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes struct statvfs sb; 2037721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes int rc = TEMP_FAILURE_RETRY(statvfs(path.c_str(), &sb)); 203859fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (rc == -1) { 2039721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes throwErrnoException(env, "statvfs"); 204059fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 204159fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 2042721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return makeStructStatVfs(env, sb); 204359fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 204459fa7163774d6930a174bc038414a4b780581957Elliott Hughes 2045ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jstring Posix_strerror(JNIEnv* env, jobject, jint errnum) { 204652724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes char buffer[BUFSIZ]; 2047ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes const char* message = jniStrError(errnum, buffer, sizeof(buffer)); 2048ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return env->NewStringUTF(message); 2049ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 2050ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 2051763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughesstatic jstring Posix_strsignal(JNIEnv* env, jobject, jint signal) { 2052763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes return env->NewStringUTF(strsignal(signal)); 2053763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes} 2054763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes 2055a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughesstatic void Posix_symlink(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 2056a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 2057a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (oldPath.c_str() == NULL) { 2058a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 2059a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 2060a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 2061a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (newPath.c_str() == NULL) { 2062a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 2063a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 2064a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes throwIfMinusOne(env, "symlink", TEMP_FAILURE_RETRY(symlink(oldPath.c_str(), newPath.c_str()))); 2065a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes} 2066a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes 20676fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughesstatic jlong Posix_sysconf(JNIEnv* env, jobject, jint name) { 20686fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes // Since -1 is a valid result from sysconf(3), detecting failure is a little more awkward. 20696fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes errno = 0; 20706fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes long result = sysconf(name); 20716fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes if (result == -1L && errno == EINVAL) { 20727e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "sysconf"); 20736fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes } 20746fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes return result; 20756fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes} 20766fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes 2077bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestigstatic void Posix_tcdrain(JNIEnv* env, jobject, jobject javaFd) { 2078bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig int fd = jniGetFDFromFileDescriptor(env, javaFd); 2079bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig throwIfMinusOne(env, "tcdrain", TEMP_FAILURE_RETRY(tcdrain(fd))); 2080bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig} 2081bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig 2082039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughesstatic void Posix_tcsendbreak(JNIEnv* env, jobject, jobject javaFd, jint duration) { 2083039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 2084039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes throwIfMinusOne(env, "tcsendbreak", TEMP_FAILURE_RETRY(tcsendbreak(fd, duration))); 2085039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes} 2086039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes 2087c79d3ef4dcd25f0e264bf957861e2632da93e62dNick Kralevichstatic jint Posix_umaskImpl(JNIEnv*, jobject, jint mask) { 208844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return umask(mask); 208944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 209044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 20917341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughesstatic jobject Posix_uname(JNIEnv* env, jobject) { 20927341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes struct utsname buf; 20939b510df35b57946d843ffc34cf23fdcfc84c5220Elliott Hughes if (TEMP_FAILURE_RETRY(uname(&buf)) == -1) { 20949b510df35b57946d843ffc34cf23fdcfc84c5220Elliott Hughes return NULL; // Can't happen. 20957341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes } 20967341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes return makeStructUtsname(env, buf); 20977341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes} 20987341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes 20995e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fullerstatic void Posix_unlink(JNIEnv* env, jobject, jstring javaPathname) { 21005e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller ScopedUtfChars pathname(env, javaPathname); 21015e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller if (pathname.c_str() == NULL) { 21025e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller return; 21035e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller } 21045e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller throwIfMinusOne(env, "unlink", unlink(pathname.c_str())); 21055e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller} 21065e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller 2107895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughesstatic void Posix_unsetenv(JNIEnv* env, jobject, jstring javaName) { 2108895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars name(env, javaName); 2109895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (name.c_str() == NULL) { 2110895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 2111895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 2112895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes throwIfMinusOne(env, "unsetenv", unsetenv(name.c_str())); 2113895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes} 2114895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes 21159e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughesstatic jint Posix_waitpid(JNIEnv* env, jobject, jint pid, jobject javaStatus, jint options) { 21169e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes int status; 21179e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes int rc = throwIfMinusOne(env, "waitpid", TEMP_FAILURE_RETRY(waitpid(pid, &status, options))); 21189e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes if (rc != -1) { 21199e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableIntClass, "value", "I"); 21209e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes env->SetIntField(javaStatus, valueFid, status); 21219e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes } 21229e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes return rc; 21239e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes} 21249e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes 21250568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughesstatic jint Posix_writeBytes(JNIEnv* env, jobject, jobject javaFd, jbyteArray javaBytes, jint byteOffset, jint byteCount) { 21260568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes ScopedBytesRO bytes(env, javaBytes); 212778c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes if (bytes.get() == NULL) { 212878c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes return -1; 212978c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes } 2130f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, write, javaFd, bytes.get() + byteOffset, byteCount); 213178c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes} 213278c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes 2133bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesstatic jint Posix_writev(JNIEnv* env, jobject, jobject javaFd, jobjectArray buffers, jintArray offsets, jintArray byteCounts) { 21348dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes IoVec<ScopedBytesRO> ioVec(env, env->GetArrayLength(buffers)); 2135bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (!ioVec.init(buffers, offsets, byteCounts)) { 2136bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return -1; 2137bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 2138f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, writev, javaFd, ioVec.get(), ioVec.size()); 2139bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes} 2140bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 21418f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline#define NATIVE_METHOD_OVERLOAD(className, functionName, signature, variant) \ 21428f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline { #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName ## variant) } 21438f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 2144ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughesstatic JNINativeMethod gMethods[] = { 21450ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller NATIVE_METHOD(Posix, accept, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)Ljava/io/FileDescriptor;"), 2146ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, access, "(Ljava/lang/String;I)Z"), 21473e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen NATIVE_METHOD(Posix, android_getaddrinfo, "(Ljava/lang/String;Landroid/system/StructAddrinfo;I)[Ljava/net/InetAddress;"), 2148da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes NATIVE_METHOD(Posix, bind, "(Ljava/io/FileDescriptor;Ljava/net/InetAddress;I)V"), 21498f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline NATIVE_METHOD_OVERLOAD(Posix, bind, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)V", SocketAddress), 2150b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes NATIVE_METHOD(Posix, chmod, "(Ljava/lang/String;I)V"), 215144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, chown, "(Ljava/lang/String;II)V"), 2152462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes NATIVE_METHOD(Posix, close, "(Ljava/io/FileDescriptor;)V"), 2153996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes NATIVE_METHOD(Posix, connect, "(Ljava/io/FileDescriptor;Ljava/net/InetAddress;I)V"), 21548f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline NATIVE_METHOD_OVERLOAD(Posix, connect, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)V", SocketAddress), 2155396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, dup, "(Ljava/io/FileDescriptor;)Ljava/io/FileDescriptor;"), 2156396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, dup2, "(Ljava/io/FileDescriptor;I)Ljava/io/FileDescriptor;"), 2157ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, environ, "()[Ljava/lang/String;"), 2158798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich NATIVE_METHOD(Posix, execv, "(Ljava/lang/String;[Ljava/lang/String;)V"), 2159798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich NATIVE_METHOD(Posix, execve, "(Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)V"), 216044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, fchmod, "(Ljava/io/FileDescriptor;I)V"), 216144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, fchown, "(Ljava/io/FileDescriptor;II)V"), 21625d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fcntlFlock, "(Ljava/io/FileDescriptor;ILandroid/system/StructFlock;)I"), 2163c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath NATIVE_METHOD(Posix, fcntlInt, "(Ljava/io/FileDescriptor;II)I"), 2164c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath NATIVE_METHOD(Posix, fcntlVoid, "(Ljava/io/FileDescriptor;I)I"), 216552724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes NATIVE_METHOD(Posix, fdatasync, "(Ljava/io/FileDescriptor;)V"), 21665d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fstat, "(Ljava/io/FileDescriptor;)Landroid/system/StructStat;"), 21675d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fstatvfs, "(Ljava/io/FileDescriptor;)Landroid/system/StructStatVfs;"), 216852724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes NATIVE_METHOD(Posix, fsync, "(Ljava/io/FileDescriptor;)V"), 2169f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes NATIVE_METHOD(Posix, ftruncate, "(Ljava/io/FileDescriptor;J)V"), 21704f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes NATIVE_METHOD(Posix, gai_strerror, "(I)Ljava/lang/String;"), 2171396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getegid, "()I"), 2172396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, geteuid, "()I"), 2173396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getgid, "()I"), 2174ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes NATIVE_METHOD(Posix, getenv, "(Ljava/lang/String;)Ljava/lang/String;"), 21754f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes NATIVE_METHOD(Posix, getnameinfo, "(Ljava/net/InetAddress;I)Ljava/lang/String;"), 2176482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes NATIVE_METHOD(Posix, getpeername, "(Ljava/io/FileDescriptor;)Ljava/net/SocketAddress;"), 21778f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, getpgid, "(I)I"), 2178396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getpid, "()I"), 2179396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getppid, "()I"), 21805d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getpwnam, "(Ljava/lang/String;)Landroid/system/StructPasswd;"), 21815d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getpwuid, "(I)Landroid/system/StructPasswd;"), 21820a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockname, "(Ljava/io/FileDescriptor;)Ljava/net/SocketAddress;"), 21830a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptByte, "(Ljava/io/FileDescriptor;II)I"), 21840a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptInAddr, "(Ljava/io/FileDescriptor;II)Ljava/net/InetAddress;"), 21850a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptInt, "(Ljava/io/FileDescriptor;II)I"), 21865d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptLinger, "(Ljava/io/FileDescriptor;II)Landroid/system/StructLinger;"), 21875d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptTimeval, "(Ljava/io/FileDescriptor;II)Landroid/system/StructTimeval;"), 21885d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptUcred, "(Ljava/io/FileDescriptor;II)Landroid/system/StructUcred;"), 2189069525a39125c203b658c805685b6045a7d4dfebElliott Hughes NATIVE_METHOD(Posix, gettid, "()I"), 2190396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getuid, "()I"), 219140afa6bcd4652a16fe461a59f205dd0d65652118Yi Kong NATIVE_METHOD(Posix, getxattr, "(Ljava/lang/String;Ljava/lang/String;)[B"), 21926d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong NATIVE_METHOD(Posix, getifaddrs, "()[Landroid/system/StructIfaddrs;"), 2193a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes NATIVE_METHOD(Posix, if_indextoname, "(I)Ljava/lang/String;"), 21946d1649c5b37b21ef2b690bc0f86306e19a32db02Yi Kong NATIVE_METHOD(Posix, if_nametoindex, "(Ljava/lang/String;)I"), 2195fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes NATIVE_METHOD(Posix, inet_pton, "(ILjava/lang/String;)Ljava/net/InetAddress;"), 219645348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong NATIVE_METHOD(Posix, ioctlFlags, "(Ljava/io/FileDescriptor;Ljava/lang/String;)I"), 2197a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes NATIVE_METHOD(Posix, ioctlInetAddress, "(Ljava/io/FileDescriptor;ILjava/lang/String;)Ljava/net/InetAddress;"), 21985d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, ioctlInt, "(Ljava/io/FileDescriptor;ILandroid/util/MutableInt;)I"), 219945348e170536651c0e5f8d5cb0319ba232a1b833Yi Kong NATIVE_METHOD(Posix, ioctlMTU, "(Ljava/io/FileDescriptor;Ljava/lang/String;)I"), 22009a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes NATIVE_METHOD(Posix, isatty, "(Ljava/io/FileDescriptor;)Z"), 2201a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes NATIVE_METHOD(Posix, kill, "(II)V"), 220244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, lchown, "(Ljava/lang/String;II)V"), 220304428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes NATIVE_METHOD(Posix, link, "(Ljava/lang/String;Ljava/lang/String;)V"), 2204e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes NATIVE_METHOD(Posix, listen, "(Ljava/io/FileDescriptor;I)V"), 220555dd377d62cf780df94d8e0198b66e99456b6f50Yi Kong NATIVE_METHOD(Posix, listxattr, "(Ljava/lang/String;)[Ljava/lang/String;"), 2206dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes NATIVE_METHOD(Posix, lseek, "(Ljava/io/FileDescriptor;JI)J"), 22075d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, lstat, "(Ljava/lang/String;)Landroid/system/StructStat;"), 22080f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes NATIVE_METHOD(Posix, mincore, "(JJ[B)V"), 2209c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes NATIVE_METHOD(Posix, mkdir, "(Ljava/lang/String;I)V"), 2210f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller NATIVE_METHOD(Posix, mkfifo, "(Ljava/lang/String;I)V"), 22117e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes NATIVE_METHOD(Posix, mlock, "(JJ)V"), 22127e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, mmap, "(JJIILjava/io/FileDescriptor;J)J"), 22137e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, msync, "(JJI)V"), 22147e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes NATIVE_METHOD(Posix, munlock, "(JJ)V"), 22157e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, munmap, "(JJ)V"), 22160ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes NATIVE_METHOD(Posix, open, "(Ljava/lang/String;II)Ljava/io/FileDescriptor;"), 221775781e7ed9373d97f5959b5b20e7343b8f7e1417Elliott Hughes NATIVE_METHOD(Posix, pipe2, "(I)[Ljava/io/FileDescriptor;"), 22185d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, poll, "([Landroid/system/StructPollfd;I)I"), 221911f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes NATIVE_METHOD(Posix, posix_fallocate, "(Ljava/io/FileDescriptor;JJ)V"), 22205215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich NATIVE_METHOD(Posix, prctl, "(IJJJJ)I"), 2221e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes NATIVE_METHOD(Posix, preadBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIJ)I"), 2222e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes NATIVE_METHOD(Posix, pwriteBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIJ)I"), 22230568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes NATIVE_METHOD(Posix, readBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;II)I"), 22240b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes NATIVE_METHOD(Posix, readlink, "(Ljava/lang/String;)Ljava/lang/String;"), 22255d45c289afe04d12f41612e33e8df83e5db650d8Narayan Kamath NATIVE_METHOD(Posix, realpath, "(Ljava/lang/String;)Ljava/lang/String;"), 2226bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes NATIVE_METHOD(Posix, readv, "(Ljava/io/FileDescriptor;[Ljava/lang/Object;[I[I)I"), 222723ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes NATIVE_METHOD(Posix, recvfromBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/InetSocketAddress;)I"), 2228c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes NATIVE_METHOD(Posix, remove, "(Ljava/lang/String;)V"), 222990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey NATIVE_METHOD(Posix, removexattr, "(Ljava/lang/String;Ljava/lang/String;)V"), 2230a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes NATIVE_METHOD(Posix, rename, "(Ljava/lang/String;Ljava/lang/String;)V"), 22315d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, sendfile, "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;Landroid/util/MutableLong;J)J"), 223290d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes NATIVE_METHOD(Posix, sendtoBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/InetAddress;I)I"), 2233a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti NATIVE_METHOD_OVERLOAD(Posix, sendtoBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/SocketAddress;)I", SocketAddress), 2234396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setegid, "(I)V"), 2235895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes NATIVE_METHOD(Posix, setenv, "(Ljava/lang/String;Ljava/lang/String;Z)V"), 2236396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, seteuid, "(I)V"), 2237396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setgid, "(I)V"), 22388f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setpgid, "(II)V"), 22398f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setregid, "(II)V"), 22408f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setreuid, "(II)V"), 22416c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes NATIVE_METHOD(Posix, setsid, "()I"), 2242c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes NATIVE_METHOD(Posix, setsockoptByte, "(Ljava/io/FileDescriptor;III)V"), 2243b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes NATIVE_METHOD(Posix, setsockoptIfreq, "(Ljava/io/FileDescriptor;IILjava/lang/String;)V"), 2244454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes NATIVE_METHOD(Posix, setsockoptInt, "(Ljava/io/FileDescriptor;III)V"), 2245b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes NATIVE_METHOD(Posix, setsockoptIpMreqn, "(Ljava/io/FileDescriptor;III)V"), 22465d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptGroupReq, "(Ljava/io/FileDescriptor;IILandroid/system/StructGroupReq;)V"), 22475d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptGroupSourceReq, "(Ljava/io/FileDescriptor;IILandroid/system/StructGroupSourceReq;)V"), 22485d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptLinger, "(Ljava/io/FileDescriptor;IILandroid/system/StructLinger;)V"), 22495d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptTimeval, "(Ljava/io/FileDescriptor;IILandroid/system/StructTimeval;)V"), 2250396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setuid, "(I)V"), 225190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey NATIVE_METHOD(Posix, setxattr, "(Ljava/lang/String;Ljava/lang/String;[BI)V"), 225259e4744d27231f260271dbbca406e0cc39768116Elliott Hughes NATIVE_METHOD(Posix, shutdown, "(Ljava/io/FileDescriptor;I)V"), 2253454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes NATIVE_METHOD(Posix, socket, "(III)Ljava/io/FileDescriptor;"), 22543218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes NATIVE_METHOD(Posix, socketpair, "(IIILjava/io/FileDescriptor;Ljava/io/FileDescriptor;)V"), 22555d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, stat, "(Ljava/lang/String;)Landroid/system/StructStat;"), 22565d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, statvfs, "(Ljava/lang/String;)Landroid/system/StructStatVfs;"), 2257ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, strerror, "(I)Ljava/lang/String;"), 2258763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes NATIVE_METHOD(Posix, strsignal, "(I)Ljava/lang/String;"), 2259a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes NATIVE_METHOD(Posix, symlink, "(Ljava/lang/String;Ljava/lang/String;)V"), 22606fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes NATIVE_METHOD(Posix, sysconf, "(I)J"), 2261bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig NATIVE_METHOD(Posix, tcdrain, "(Ljava/io/FileDescriptor;)V"), 2262039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes NATIVE_METHOD(Posix, tcsendbreak, "(Ljava/io/FileDescriptor;I)V"), 2263c79d3ef4dcd25f0e264bf957861e2632da93e62dNick Kralevich NATIVE_METHOD(Posix, umaskImpl, "(I)I"), 22645d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, uname, "()Landroid/system/StructUtsname;"), 22655e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller NATIVE_METHOD(Posix, unlink, "(Ljava/lang/String;)V"), 2266895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes NATIVE_METHOD(Posix, unsetenv, "(Ljava/lang/String;)V"), 22675d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, waitpid, "(ILandroid/util/MutableInt;I)I"), 22680568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes NATIVE_METHOD(Posix, writeBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;II)I"), 2269bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes NATIVE_METHOD(Posix, writev, "(Ljava/io/FileDescriptor;[Ljava/lang/Object;[I[I)I"), 2270ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes}; 22717cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughesvoid register_libcore_io_Posix(JNIEnv* env) { 22727cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughes jniRegisterNativeMethods(env, "libcore/io/Posix", gMethods, NELEM(gMethods)); 2273ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes} 2274