libcore_io_Linux.cpp revision 6e888e9390649a9ab2557da5b28bb75be39e1b74
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 19f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller#include "AsynchronousCloseMonitor.h" 2015c1945bb1810d061ea2d5b07a11e3ecc5ec8536Ruben Brunk#include "cutils/log.h" 21ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes#include "ExecStrings.h" 22ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#include "JNIHelp.h" 23ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#include "JniConstants.h" 24ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes#include "JniException.h" 250a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes#include "NetworkUtilities.h" 266c1e5f4ad36c1f51687aa2b059e998a7c2db2e36Elliott Hughes#include "Portability.h" 270b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes#include "readlink.h" 280568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes#include "ScopedBytes.h" 29e9f12043a1e2a29c60779cdb55c58eb156963570Elliott Hughes#include "ScopedLocalRef.h" 300f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes#include "ScopedPrimitiveArray.h" 31ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#include "ScopedUtfChars.h" 32ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes#include "toStringArray.h" 33ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes 341c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes#include <arpa/inet.h> 35ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes#include <errno.h> 360ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <fcntl.h> 378f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline#include <linux/rtnetlink.h> 38b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes#include <net/if.h> 394f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes#include <netdb.h> 400a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes#include <netinet/in.h> 41a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti#include <netpacket/packet.h> 4270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes#include <poll.h> 43d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes#include <pwd.h> 44a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes#include <signal.h> 45ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes#include <stdlib.h> 46461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes#include <sys/ioctl.h> 477e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes#include <sys/mman.h> 485215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich#include <sys/prctl.h> 4959e4744d27231f260271dbbca406e0cc39768116Elliott Hughes#include <sys/socket.h> 5047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes#include <sys/stat.h> 51069525a39125c203b658c805685b6045a7d4dfebElliott Hughes#include <sys/syscall.h> 520a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes#include <sys/time.h> 530ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <sys/types.h> 54bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes#include <sys/uio.h> 550ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller#include <sys/un.h> 567341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes#include <sys/utsname.h> 579e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes#include <sys/wait.h> 5890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey#include <sys/xattr.h> 59bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig#include <termios.h> 600ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes#include <unistd.h> 61b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers#include <memory> 62efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers 63efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers#ifndef __unused 6437dd0ac5767197bf7e3e90f1a5d4e54c8f1fe93dIan Rogers#define __unused __attribute__((__unused__)) 65efae3837b3eb79dea3400735fdcdd5a39020e0b0Ian Rogers#endif 6637dd0ac5767197bf7e3e90f1a5d4e54c8f1fe93dIan Rogers 67d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes#define TO_JAVA_STRING(NAME, EXP) \ 68d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jstring NAME = env->NewStringUTF(EXP); \ 69d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes if (NAME == NULL) return NULL; 70d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 711c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughesstruct addrinfo_deleter { 721c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes void operator()(addrinfo* p) const { 731c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (p != NULL) { // bionic's freeaddrinfo(3) crashes when passed NULL. 741c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes freeaddrinfo(p); 751c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 761c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 771c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes}; 781c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 79b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colittistatic bool isIPv4MappedAddress(const sockaddr *sa) { 80b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti const sockaddr_in6 *sin6 = reinterpret_cast<const sockaddr_in6*>(sa); 81b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return sa != NULL && sa->sa_family == AF_INET6 && 82b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) || 83b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)); // We map 0.0.0.0 to ::, so :: is mapped. 84b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti} 85b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 86b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti/** 87b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * Perform a socket operation that specifies an IP address, possibly falling back from specifying 88b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * the address as an IPv4-mapped IPv6 address in a struct sockaddr_in6 to specifying it as an IPv4 89b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * address in a struct sockaddr_in. 90b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * 91b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * This is needed because all sockets created by the java.net APIs are IPv6 sockets, and on those 92b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * sockets, IPv4 operations use IPv4-mapped addresses stored in a struct sockaddr_in6. But sockets 93b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * created using Posix.socket(AF_INET, ...) are IPv4 sockets and only support operations using IPv4 94b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * socket addresses structures. 95b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti */ 96b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NET_IPV4_FALLBACK(jni_env, return_type, syscall_name, java_fd, java_addr, port, null_addr_ok, args...) ({ \ 97b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return_type _rc = -1; \ 98b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti do { \ 99b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti sockaddr_storage _ss; \ 100b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti socklen_t _salen; \ 101b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti if (java_addr == NULL && null_addr_ok) { \ 102b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* No IP address specified (e.g., sendto() on a connected socket). */ \ 103b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _salen = 0; \ 104b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } else if (!inetAddressToSockaddr(jni_env, java_addr, port, _ss, _salen)) { \ 105b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* Invalid socket address, return -1. inetAddressToSockaddr has already thrown. */ \ 106b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti break; \ 107b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 108b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti sockaddr* _sa = _salen ? reinterpret_cast<sockaddr*>(&_ss) : NULL; \ 109b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* inetAddressToSockaddr always returns an IPv6 sockaddr. Assume that java_fd was created \ 110b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * by Java API calls, which always create IPv6 socket fds, and pass it in as is. */ \ 111b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc = NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ##args, _sa, _salen); \ 112b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti if (_rc == -1 && errno == EAFNOSUPPORT && _salen && isIPv4MappedAddress(_sa)) { \ 113b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti /* We passed in an IPv4 address in an IPv6 sockaddr and the kernel told us that we got \ 114b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti * the address family wrong. Pass in the same address in an IPv4 sockaddr. */ \ 115b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti jni_env->ExceptionClear(); \ 116b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti if (!inetAddressToSockaddrVerbatim(jni_env, java_addr, port, _ss, _salen)) { \ 117b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti break; \ 118b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 119b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _sa = reinterpret_cast<sockaddr*>(&_ss); \ 120b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc = NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ##args, _sa, _salen); \ 121b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } \ 122b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti } while (0); \ 123b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti _rc; }) \ 124b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 125996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes/** 126f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Used to retry networking system calls that can be interrupted with a signal. Unlike 127f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * TEMP_FAILURE_RETRY, this also handles the case where 128f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * AsynchronousCloseMonitor::signalBlockedThreads(fd) is used to signal a close() or 129f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Thread.interrupt(). Other signals that result in an EINTR result are ignored and the system call 130f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * is retried. 131996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes * 132f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Returns the result of the system call though a Java exception will be pending if the result is 133f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * -1: a SocketException if signaled via AsynchronousCloseMonitor, or ErrnoException for other 134f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * failures. 135996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes */ 1361124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes#define NET_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ...) ({ \ 1371124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes return_type _rc = -1; \ 138b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti int _syscallErrno; \ 139996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes do { \ 140f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller bool _wasSignaled; \ 141996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes { \ 1421124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes int _fd = jniGetFDFromFileDescriptor(jni_env, java_fd); \ 143f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller AsynchronousCloseMonitor _monitor(_fd); \ 1441124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes _rc = syscall_name(_fd, __VA_ARGS__); \ 145f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _syscallErrno = errno; \ 146f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _wasSignaled = _monitor.wasSignaled(); \ 147996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes } \ 148f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (_wasSignaled) { \ 149f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller jniThrowException(jni_env, "java/net/SocketException", "Socket closed"); \ 1505d7c0a378be3f7f505b30e634e7aabf072c4edd0Serguei Katkov _rc = -1; \ 151f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller break; \ 152f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } \ 153f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (_rc == -1 && _syscallErrno != EINTR) { \ 154f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller /* TODO: with a format string we could show the arguments too, like strace(1). */ \ 155f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller throwErrnoException(jni_env, # syscall_name); \ 156f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller break; \ 157f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } \ 158f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } while (_rc == -1); /* _syscallErrno == EINTR && !_wasSignaled */ \ 159b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti if (_rc == -1) { \ 160b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti /* If the syscall failed, re-set errno: throwing an exception might have modified it. */ \ 161b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti errno = _syscallErrno; \ 162b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti } \ 163f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller _rc; }) 164f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller 165f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller/** 166f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Used to retry system calls that can be interrupted with a signal. Unlike TEMP_FAILURE_RETRY, this 167f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * also handles the case where AsynchronousCloseMonitor::signalBlockedThreads(fd) is used to signal 168f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * a close() or Thread.interrupt(). Other signals that result in an EINTR result are ignored and the 169f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * system call is retried. 170f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * 171f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * Returns the result of the system call though a Java exception will be pending if the result is 172f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * -1: an IOException if the file descriptor is already closed, a InterruptedIOException if signaled 173f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller * via AsynchronousCloseMonitor, or ErrnoException for other failures. 174f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller */ 175f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller#define IO_FAILURE_RETRY(jni_env, return_type, syscall_name, java_fd, ...) ({ \ 176f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return_type _rc = -1; \ 177b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti int _syscallErrno; \ 17899a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller do { \ 17999a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller bool _wasSignaled; \ 18099a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller { \ 18199a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller int _fd = jniGetFDFromFileDescriptor(jni_env, java_fd); \ 18299a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller AsynchronousCloseMonitor _monitor(_fd); \ 18399a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _rc = syscall_name(_fd, __VA_ARGS__); \ 18499a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _syscallErrno = errno; \ 18599a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _wasSignaled = _monitor.wasSignaled(); \ 18699a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 18799a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller if (_wasSignaled) { \ 18899a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller jniThrowException(jni_env, "java/io/InterruptedIOException", # syscall_name " interrupted"); \ 18999a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller _rc = -1; \ 19099a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller break; \ 19199a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 19299a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller if (_rc == -1 && _syscallErrno != EINTR) { \ 19399a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller /* TODO: with a format string we could show the arguments too, like strace(1). */ \ 19499a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller throwErrnoException(jni_env, # syscall_name); \ 19599a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller break; \ 19699a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } \ 19799a0c82619a88c6aea038757cf14090f5d33afebNeil Fuller } while (_rc == -1); /* && _syscallErrno == EINTR && !_wasSignaled */ \ 198b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti if (_rc == -1) { \ 199b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti /* If the syscall failed, re-set errno: throwing an exception might have modified it. */ \ 200b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti errno = _syscallErrno; \ 201b4af0b52e1190846edde87f352ca722a7d9e0259Lorenzo Colitti } \ 202996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes _rc; }) 203996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes 204b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NULL_ADDR_OK true 205b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti#define NULL_ADDR_FORBIDDEN false 206b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 2074f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwException(JNIEnv* env, jclass exceptionClass, jmethodID ctor3, jmethodID ctor2, 2084f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes const char* functionName, int error) { 209ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes jthrowable cause = NULL; 210ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (env->ExceptionCheck()) { 211ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes cause = env->ExceptionOccurred(); 212ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes env->ExceptionClear(); 213ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 214ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 2154f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes ScopedLocalRef<jstring> detailMessage(env, env->NewStringUTF(functionName)); 2164f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes if (detailMessage.get() == NULL) { 217f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes // Not really much we can do here. We're probably dead in the water, 218f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes // but let's try to stumble on... 219f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes env->ExceptionClear(); 220f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes } 221f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes 222ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes jobject exception; 223ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (cause != NULL) { 2244f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes exception = env->NewObject(exceptionClass, ctor3, detailMessage.get(), error, cause); 225ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } else { 2264f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes exception = env->NewObject(exceptionClass, ctor2, detailMessage.get(), error); 227ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 228ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes env->Throw(reinterpret_cast<jthrowable>(exception)); 229dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes} 230dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes 2314f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwErrnoException(JNIEnv* env, const char* functionName) { 2324f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes int error = errno; 2334f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes static jmethodID ctor3 = env->GetMethodID(JniConstants::errnoExceptionClass, 2344f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes "<init>", "(Ljava/lang/String;ILjava/lang/Throwable;)V"); 2354f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes static jmethodID ctor2 = env->GetMethodID(JniConstants::errnoExceptionClass, 2364f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes "<init>", "(Ljava/lang/String;I)V"); 2374f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwException(env, JniConstants::errnoExceptionClass, ctor3, ctor2, functionName, error); 2384f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 2394f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 2404f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic void throwGaiException(JNIEnv* env, const char* functionName, int error) { 241c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes // Cache the methods ids before we throw, so we don't call GetMethodID with a pending exception. 242c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes static jmethodID ctor3 = env->GetMethodID(JniConstants::gaiExceptionClass, "<init>", 243c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes "(Ljava/lang/String;ILjava/lang/Throwable;)V"); 244c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes static jmethodID ctor2 = env->GetMethodID(JniConstants::gaiExceptionClass, "<init>", 245c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes "(Ljava/lang/String;I)V"); 246c1cee0db58ec7bc61d5caac79915d744862cbe75Elliott Hughes if (errno != 0) { 24775cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // EAI_SYSTEM should mean "look at errno instead", but both glibc and bionic seem to 24875cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // mess this up. In particular, if you don't have INTERNET permission, errno will be EACCES 24975cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // but you'll get EAI_NONAME or EAI_NODATA. So we want our GaiException to have a 25075cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // potentially-relevant ErrnoException as its cause even if error != EAI_SYSTEM. 25175cf14944d476670f6f915e5efd849e238a16250Elliott Hughes // http://code.google.com/p/android/issues/detail?id=15722 2524f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwErrnoException(env, functionName); 2534f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes // Deliberately fall through to throw another exception... 2544f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 2554f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwException(env, JniConstants::gaiExceptionClass, ctor3, ctor2, functionName, error); 2564f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 2574f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 258dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughestemplate <typename rc_t> 2597e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic rc_t throwIfMinusOne(JNIEnv* env, const char* name, rc_t rc) { 260dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == rc_t(-1)) { 2617e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, name); 262dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes } 263dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes return rc; 26447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 26547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 2668dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughestemplate <typename ScopedT> 267bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesclass IoVec { 268bbac92e691de7d570928ddfba639067978e55b06Elliott Hughespublic: 269bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes IoVec(JNIEnv* env, size_t bufferCount) : mEnv(env), mBufferCount(bufferCount) { 270bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 271bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 272bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes bool init(jobjectArray javaBuffers, jintArray javaOffsets, jintArray javaByteCounts) { 273bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes // We can't delete our local references until after the I/O, so make sure we have room. 274bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (mEnv->PushLocalFrame(mBufferCount + 16) < 0) { 275bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 276bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 277bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ScopedIntArrayRO offsets(mEnv, javaOffsets); 278bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (offsets.get() == NULL) { 279bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 280bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 281bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ScopedIntArrayRO byteCounts(mEnv, javaByteCounts); 282bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (byteCounts.get() == NULL) { 283bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 284bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 285bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes // TODO: Linux actually has a 1024 buffer limit. glibc works around this, and we should too. 286d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes // TODO: you can query the limit at runtime with sysconf(_SC_IOV_MAX). 287bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes for (size_t i = 0; i < mBufferCount; ++i) { 288e9f12043a1e2a29c60779cdb55c58eb156963570Elliott Hughes jobject buffer = mEnv->GetObjectArrayElement(javaBuffers, i); // We keep this local ref. 2898dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes mScopedBuffers.push_back(new ScopedT(mEnv, buffer)); 2908dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes jbyte* ptr = const_cast<jbyte*>(mScopedBuffers.back()->get()); 291bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (ptr == NULL) { 292bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return false; 293bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 294bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes struct iovec iov; 295bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iov.iov_base = reinterpret_cast<void*>(ptr + offsets[i]); 296bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iov.iov_len = byteCounts[i]; 297bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes mIoVec.push_back(iov); 298bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 299bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return true; 300bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 301bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 302bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes ~IoVec() { 3038dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes for (size_t i = 0; i < mScopedBuffers.size(); ++i) { 3048dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes delete mScopedBuffers[i]; 305bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 306bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes mEnv->PopLocalFrame(NULL); 307bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 308bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 309bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes iovec* get() { 310bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return &mIoVec[0]; 311bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 312bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 313bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes size_t size() { 314bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return mBufferCount; 315bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 316bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 317bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesprivate: 318bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes JNIEnv* mEnv; 319bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes size_t mBufferCount; 320bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes std::vector<iovec> mIoVec; 3218dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes std::vector<ScopedT*> mScopedBuffers; 322bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes}; 323bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 3240ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller/** 3252550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * Returns a jbyteArray containing the sockaddr_un.sun_path from ss. As per unix(7) sa_len should be 3262550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * the length of ss as returned by getsockname(2), getpeername(2), or accept(2). 3272550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * If the returned array is of length 0 the sockaddr_un refers to an unnamed socket. 3282550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller * A null pointer is returned in the event of an error. See unix(7) for more information. 3290ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller */ 3302550a252387631b49a00d2ee5587717cd2a6dda3Neil Fullerstatic jbyteArray getUnixSocketPath(JNIEnv* env, const sockaddr_storage& ss, 3312550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller const socklen_t& sa_len) { 3320ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (ss.ss_family != AF_UNIX) { 3330ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 3340ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "getUnixSocketPath unsupported ss_family: %i", ss.ss_family); 3352550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return NULL; 3360ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3372550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3380ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const struct sockaddr_un* un_addr = reinterpret_cast<const struct sockaddr_un*>(&ss); 3392550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // The length of sun_path is sa_len minus the length of the overhead (ss_family). 3402550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // See unix(7) for details. This calculation must match that of socket_make_sockaddr_un() in 3412550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // socket_local_client.c and javaUnixSocketAddressToSockaddr() to interoperate. 3422550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller size_t pathLength = sa_len - offsetof(struct sockaddr_un, sun_path); 3432550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3442550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = env->NewByteArray(pathLength); 3452550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (javaSunPath == NULL) { 3462550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return NULL; 3470ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3482550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller 3492550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (pathLength > 0) { 3502550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->SetByteArrayRegion(javaSunPath, 0, pathLength, 3512550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller reinterpret_cast<const jbyte*>(&un_addr->sun_path)); 3522550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller } 3532550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return javaSunPath; 3540ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 3550ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 3560ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic jobject makeSocketAddress(JNIEnv* env, const sockaddr_storage& ss, const socklen_t sa_len) { 3570ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (ss.ss_family == AF_INET || ss.ss_family == AF_INET6) { 3588f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jint port; 3598f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jobject inetAddress = sockaddrToInetAddress(env, ss, &port); 3608f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (inetAddress == NULL) { 3618f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return NULL; // Exception already thrown. 3628f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 3638f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jmethodID ctor = env->GetMethodID(JniConstants::inetSocketAddressClass, 3648f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "<init>", "(Ljava/net/InetAddress;I)V"); 3658f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return env->NewObject(JniConstants::inetSocketAddressClass, ctor, inetAddress, port); 3660ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (ss.ss_family == AF_UNIX) { 3670ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jmethodID ctor = env->GetMethodID(JniConstants::unixSocketAddressClass, 3680ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "<init>", "([B)V"); 3690ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 3702550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = getUnixSocketPath(env, ss, sa_len); 3712550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (!javaSunPath) { 3720ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return NULL; 3730ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 3742550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return env->NewObject(JniConstants::unixSocketAddressClass, ctor, javaSunPath); 3758f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } else if (ss.ss_family == AF_NETLINK) { 3768f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const struct sockaddr_nl* nl_addr = reinterpret_cast<const struct sockaddr_nl*>(&ss); 3778f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jmethodID ctor = env->GetMethodID(JniConstants::netlinkSocketAddressClass, 3788f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "<init>", "(II)V"); 3796e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak return env->NewObject(JniConstants::netlinkSocketAddressClass, ctor, 3806e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak static_cast<jint>(nl_addr->nl_pid), 3818f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static_cast<jint>(nl_addr->nl_groups)); 38200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else if (ss.ss_family == AF_PACKET) { 38300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti const struct sockaddr_ll* sll = reinterpret_cast<const struct sockaddr_ll*>(&ss); 38400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jmethodID ctor = env->GetMethodID(JniConstants::packetSocketAddressClass, 38500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti "<init>", "(SISB[B)V"); 38600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti ScopedLocalRef<jbyteArray> byteArray(env, env->NewByteArray(sll->sll_halen)); 38700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (byteArray.get() == NULL) { 38800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return NULL; 38900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 39000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti env->SetByteArrayRegion(byteArray.get(), 0, sll->sll_halen, 39100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti reinterpret_cast<const jbyte*>(sll->sll_addr)); 39200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jobject packetSocketAddress = env->NewObject(JniConstants::packetSocketAddressClass, ctor, 39300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jshort>(ntohs(sll->sll_protocol)), 39400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jint>(sll->sll_ifindex), 39500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jshort>(sll->sll_hatype), 39600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static_cast<jbyte>(sll->sll_pkttype), 39700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti byteArray.get()); 39800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return packetSocketAddress; 39900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 40000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", "unsupported ss_family: %d", 40100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti ss.ss_family); 4028f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return NULL; 4030a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4040a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 405d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject makeStructPasswd(JNIEnv* env, const struct passwd& pw) { 406d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_name, pw.pw_name); 407d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_dir, pw.pw_dir); 408d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(pw_shell, pw.pw_shell); 409d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structPasswdClass, "<init>", 410d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes "(Ljava/lang/String;IILjava/lang/String;Ljava/lang/String;)V"); 411d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return env->NewObject(JniConstants::structPasswdClass, ctor, 412d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes pw_name, static_cast<jint>(pw.pw_uid), static_cast<jint>(pw.pw_gid), pw_dir, pw_shell); 413d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 414d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 41547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject makeStructStat(JNIEnv* env, const struct stat& sb) { 41647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structStatClass, "<init>", 41747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes "(JJIJIIJJJJJJJ)V"); 41847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return env->NewObject(JniConstants::structStatClass, ctor, 41959fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_dev), static_cast<jlong>(sb.st_ino), 42059fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jint>(sb.st_mode), static_cast<jlong>(sb.st_nlink), 42159fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jint>(sb.st_uid), static_cast<jint>(sb.st_gid), 42259fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_rdev), static_cast<jlong>(sb.st_size), 42359fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_atime), static_cast<jlong>(sb.st_mtime), 42459fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_ctime), static_cast<jlong>(sb.st_blksize), 42559fa7163774d6930a174bc038414a4b780581957Elliott Hughes static_cast<jlong>(sb.st_blocks)); 42659fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 42759fa7163774d6930a174bc038414a4b780581957Elliott Hughes 428721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject makeStructStatVfs(JNIEnv* env, const struct statvfs& sb) { 429721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structStatVfsClass, "<init>", 430721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes "(JJJJJJJJJJJ)V"); 431721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return env->NewObject(JniConstants::structStatVfsClass, ctor, 432721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bsize), 433721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_frsize), 434721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_blocks), 435721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bfree), 436721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_bavail), 437721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_files), 438721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_ffree), 439721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_favail), 440721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_fsid), 441721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes static_cast<jlong>(sb.f_flag), 442efe42934a8523f2b051a351e5eceebf6216454aeElliott Hughes static_cast<jlong>(sb.f_namemax)); 44347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 44447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 4450a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject makeStructLinger(JNIEnv* env, const struct linger& l) { 4460a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structLingerClass, "<init>", "(II)V"); 4470a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return env->NewObject(JniConstants::structLingerClass, ctor, l.l_onoff, l.l_linger); 4480a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4490a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 4500a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject makeStructTimeval(JNIEnv* env, const struct timeval& tv) { 4510a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structTimevalClass, "<init>", "(JJ)V"); 4520a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return env->NewObject(JniConstants::structTimevalClass, ctor, 4530a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes static_cast<jlong>(tv.tv_sec), static_cast<jlong>(tv.tv_usec)); 4540a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 4550a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 4563deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jobject makeStructUcred(JNIEnv* env, const struct ucred& u __unused) { 457482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structUcredClass, "<init>", "(III)V"); 458482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return env->NewObject(JniConstants::structUcredClass, ctor, u.pid, u.uid, u.gid); 459482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 460482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 4617341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughesstatic jobject makeStructUtsname(JNIEnv* env, const struct utsname& buf) { 462d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(sysname, buf.sysname); 463d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(nodename, buf.nodename); 464d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(release, buf.release); 465d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(version, buf.version); 466d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes TO_JAVA_STRING(machine, buf.machine); 4677341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes static jmethodID ctor = env->GetMethodID(JniConstants::structUtsnameClass, "<init>", 4687341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); 4697341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes return env->NewObject(JniConstants::structUtsnameClass, ctor, 4707341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes sysname, nodename, release, version, machine); 4717341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes}; 4727341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes 473a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic bool fillIfreq(JNIEnv* env, jstring javaInterfaceName, struct ifreq& req) { 474a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes ScopedUtfChars interfaceName(env, javaInterfaceName); 475a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (interfaceName.c_str() == NULL) { 476a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return false; 477a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 478a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes memset(&req, 0, sizeof(req)); 479a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes strncpy(req.ifr_name, interfaceName.c_str(), sizeof(req.ifr_name)); 480a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes req.ifr_name[sizeof(req.ifr_name) - 1] = '\0'; 481a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return true; 482a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 483a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 4840ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillUnixSocketAddress(JNIEnv* env, jobject javaUnixSocketAddress, 4850ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const sockaddr_storage& ss, const socklen_t& sa_len) { 4860ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaUnixSocketAddress == NULL) { 4870ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 4880ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 4892550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jbyteArray javaSunPath = getUnixSocketPath(env, ss, sa_len); 4902550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if (!javaSunPath) { 4910ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return false; 4920ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 4930ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 4940ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jfieldID sunPathFid = 4950ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller env->GetFieldID(JniConstants::unixSocketAddressClass, "sun_path", "[B"); 4962550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->SetObjectField(javaUnixSocketAddress, sunPathFid, javaSunPath); 4970ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 4980ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 4990ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5000ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillInetSocketAddress(JNIEnv* env, jobject javaInetSocketAddress, 5010ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const sockaddr_storage& ss) { 5020ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaInetSocketAddress == NULL) { 503553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return true; 504553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 505553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes // Fill out the passed-in InetSocketAddress with the sender's IP address and port number. 506553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes jint port; 507553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes jobject sender = sockaddrToInetAddress(env, ss, &port); 508553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes if (sender == NULL) { 509553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return false; 510553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 5114cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID holderFid = env->GetFieldID(JniConstants::inetSocketAddressClass, "holder", 5124cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "Ljava/net/InetSocketAddress$InetSocketAddressHolder;"); 513ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski jobject holder = env->GetObjectField(javaInetSocketAddress, holderFid); 514ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski 5154cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID addressFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, 5164cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "addr", "Ljava/net/InetAddress;"); 517ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski static jfieldID portFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, "port", "I"); 518ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski env->SetObjectField(holder, addressFid, sender); 519ea544eccd7c78b693804d763dabbd8f7247dc802Piotr Jastrzebski env->SetIntField(holder, portFid, port); 520553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return true; 521553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes} 522553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes 5230ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool fillSocketAddress(JNIEnv* env, jobject javaSocketAddress, const sockaddr_storage& ss, 5240ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller const socklen_t& sa_len) { 5250ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (javaSocketAddress == NULL) { 5260ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 5270ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5280ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5290ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 5300ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return fillInetSocketAddress(env, javaSocketAddress, ss); 5310ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::unixSocketAddressClass)) { 5320ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return fillUnixSocketAddress(env, javaSocketAddress, ss, sa_len); 5330ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5340ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jniThrowException(env, "java/lang/UnsupportedOperationException", 5350ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller "unsupported SocketAddress subclass"); 5360ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return false; 5370ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5380ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 5390ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 540f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colittistatic void javaInetSocketAddressToInetAddressAndPort( 541f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti JNIEnv* env, jobject javaInetSocketAddress, jobject& javaInetAddress, jint& port) { 5424cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID holderFid = env->GetFieldID(JniConstants::inetSocketAddressClass, "holder", 5434cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath "Ljava/net/InetSocketAddress$InetSocketAddressHolder;"); 5444cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath jobject holder = env->GetObjectField(javaInetSocketAddress, holderFid); 5454cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath 5468f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID addressFid = env->GetFieldID( 5474cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath JniConstants::inetSocketAddressHolderClass, "addr", "Ljava/net/InetAddress;"); 5484cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath static jfieldID portFid = env->GetFieldID(JniConstants::inetSocketAddressHolderClass, "port", "I"); 5494cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath 5504cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath javaInetAddress = env->GetObjectField(holder, addressFid); 5514cb97fe003dcf14ccd8f6e381cd172020248efaeNarayan Kamath port = env->GetIntField(holder, portFid); 552f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti} 553f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti 554f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colittistatic bool javaInetSocketAddressToSockaddr( 555f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 556f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jobject javaInetAddress; 557f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jint port; 558f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetSocketAddressToInetAddressAndPort(env, javaSocketAddress, javaInetAddress, port); 559f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti return inetAddressToSockaddr(env, javaInetAddress, port, ss, sa_len); 5608f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 5618f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5628f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic bool javaNetlinkSocketAddressToSockaddr( 5638f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 5648f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID nlPidFid = env->GetFieldID( 5658f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JniConstants::netlinkSocketAddressClass, "nlPortId", "I"); 5668f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline static jfieldID nlGroupsFid = env->GetFieldID( 5678f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JniConstants::netlinkSocketAddressClass, "nlGroupsMask", "I"); 5688f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5698f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_nl *nlAddr = reinterpret_cast<sockaddr_nl *>(&ss); 5708f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_family = AF_NETLINK; 5718f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_pid = env->GetIntField(javaSocketAddress, nlPidFid); 5728f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline nlAddr->nl_groups = env->GetIntField(javaSocketAddress, nlGroupsFid); 5738f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sa_len = sizeof(sockaddr_nl); 5748f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return true; 5758f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 5768f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 5770ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic bool javaUnixSocketAddressToSockaddr( 5780ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller JNIEnv* env, jobject javaUnixSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 5790ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller static jfieldID sunPathFid = env->GetFieldID( 5800ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller JniConstants::unixSocketAddressClass, "sun_path", "[B"); 5810ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5820ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller struct sockaddr_un* un_addr = reinterpret_cast<struct sockaddr_un*>(&ss); 5832550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller memset (un_addr, 0, sizeof(sockaddr_un)); 5840ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller un_addr->sun_family = AF_UNIX; 5850ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 5860ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jbyteArray javaSunPath = (jbyteArray) env->GetObjectField(javaUnixSocketAddress, sunPathFid); 5870ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller jsize pathLength = env->GetArrayLength(javaSunPath); 5882550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller if ((size_t) pathLength > sizeof(sockaddr_un::sun_path)) { 5892550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 5902550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller "sun_path too long: max=%i, is=%i", 5912550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller sizeof(sockaddr_un::sun_path), pathLength); 5922550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller return false; 5930ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 5942550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller env->GetByteArrayRegion(javaSunPath, 0, pathLength, (jbyte*) un_addr->sun_path); 5952550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // sa_len is sun_path plus the length of the overhead (ss_family_t). See unix(7) for 5962550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // details. This calculation must match that of socket_make_sockaddr_un() in 5972550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller // socket_local_client.c and getUnixSocketPath() to interoperate. 5982550a252387631b49a00d2ee5587717cd2a6dda3Neil Fuller sa_len = offsetof(struct sockaddr_un, sun_path) + pathLength; 5990ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return true; 6000ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller} 6010ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller 60200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colittistatic bool javaPacketSocketAddressToSockaddr( 60300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 60400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID protocolFid = env->GetFieldID( 60500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_protocol", "S"); 60600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID ifindexFid = env->GetFieldID( 60700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_ifindex", "I"); 60800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID hatypeFid = env->GetFieldID( 60900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_hatype", "S"); 61000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID pkttypeFid = env->GetFieldID( 61100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_pkttype", "B"); 61200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti static jfieldID addrFid = env->GetFieldID( 61300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti JniConstants::packetSocketAddressClass, "sll_addr", "[B"); 61400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 61500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sockaddr_ll *sll = reinterpret_cast<sockaddr_ll *>(&ss); 61600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_family = AF_PACKET; 617e0273519773d7b14680fe0aa8bc180836042f245Lorenzo Colitti sll->sll_protocol = htons(env->GetShortField(javaSocketAddress, protocolFid)); 61800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_ifindex = env->GetIntField(javaSocketAddress, ifindexFid); 61900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_hatype = env->GetShortField(javaSocketAddress, hatypeFid); 62000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_pkttype = env->GetByteField(javaSocketAddress, pkttypeFid); 62100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 62200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jbyteArray sllAddr = (jbyteArray) env->GetObjectField(javaSocketAddress, addrFid); 62300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (sllAddr == NULL) { 62400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_halen = 0; 62500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti memset(&sll->sll_addr, 0, sizeof(sll->sll_addr)); 62600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else { 62700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti jsize len = env->GetArrayLength(sllAddr); 62800bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if ((size_t) len > sizeof(sll->sll_addr)) { 62900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti len = sizeof(sll->sll_addr); 63000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 63100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sll->sll_halen = len; 63200bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti env->GetByteArrayRegion(sllAddr, 0, len, (jbyte*) sll->sll_addr); 63300bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 63400bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti sa_len = sizeof(sockaddr_ll); 63500bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return true; 63600bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti} 63700bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti 6388f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic bool javaSocketAddressToSockaddr( 6398f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject javaSocketAddress, sockaddr_storage& ss, socklen_t& sa_len) { 6408f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (javaSocketAddress == NULL) { 6418f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jniThrowNullPointerException(env, NULL); 6428f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return false; 6438f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 6448f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 6458f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (env->IsInstanceOf(javaSocketAddress, JniConstants::netlinkSocketAddressClass)) { 6468f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return javaNetlinkSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6478f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 6488f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return javaInetSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 64900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::packetSocketAddressClass)) { 65000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti return javaPacketSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6510ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } else if (env->IsInstanceOf(javaSocketAddress, JniConstants::unixSocketAddressClass)) { 6520ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return javaUnixSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len); 6538f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 6548f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline jniThrowException(env, "java/lang/UnsupportedOperationException", 6558f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline "unsupported SocketAddress subclass"); 6568f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return false; 6578f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 6588f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 65947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject doStat(JNIEnv* env, jstring javaPath, bool isLstat) { 66047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes ScopedUtfChars path(env, javaPath); 66147cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes if (path.c_str() == NULL) { 66247cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 66347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 66447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes struct stat sb; 66547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int rc = isLstat ? TEMP_FAILURE_RETRY(lstat(path.c_str(), &sb)) 66647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes : TEMP_FAILURE_RETRY(stat(path.c_str(), &sb)); 667dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 6687e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, isLstat ? "lstat" : "stat"); 66947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 67047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 67147cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return makeStructStat(env, sb); 672ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 673ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 674482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject doGetSockName(JNIEnv* env, jobject javaFd, bool is_sockname) { 675482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 676482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr_storage ss; 677482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr* sa = reinterpret_cast<sockaddr*>(&ss); 678482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t byteCount = sizeof(ss); 679482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes memset(&ss, 0, byteCount); 680482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = is_sockname ? TEMP_FAILURE_RETRY(getsockname(fd, sa, &byteCount)) 681482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes : TEMP_FAILURE_RETRY(getpeername(fd, sa, &byteCount)); 682482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (rc == -1) { 683482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes throwErrnoException(env, is_sockname ? "getsockname" : "getpeername"); 684482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return NULL; 685482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes } 6860ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller return makeSocketAddress(env, ss, byteCount); 687482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 688482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 689d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesclass Passwd { 690d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughespublic: 691d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes Passwd(JNIEnv* env) : mEnv(env), mResult(NULL) { 692d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes mBufferSize = sysconf(_SC_GETPW_R_SIZE_MAX); 693d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes mBuffer.reset(new char[mBufferSize]); 694d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 695d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 696d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject getpwnam(const char* name) { 697d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return process("getpwnam_r", getpwnam_r(name, &mPwd, mBuffer.get(), mBufferSize, &mResult)); 698d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 699d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 700d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject getpwuid(uid_t uid) { 701d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return process("getpwuid_r", getpwuid_r(uid, &mPwd, mBuffer.get(), mBufferSize, &mResult)); 702d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 703d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 704d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd* get() { 705d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return mResult; 706d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 707d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 708d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesprivate: 709d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes jobject process(const char* syscall, int error) { 710d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes if (mResult == NULL) { 711d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes errno = error; 712d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes throwErrnoException(mEnv, syscall); 713d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return NULL; 714d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 715d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return makeStructPasswd(mEnv, *mResult); 716d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 717d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 718d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes JNIEnv* mEnv; 719b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<char[]> mBuffer; 720d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes size_t mBufferSize; 721d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd mPwd; 722d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes struct passwd* mResult; 723d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes}; 724d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 7250ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fullerstatic jobject Posix_accept(JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 726553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes sockaddr_storage ss; 727553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes socklen_t sl = sizeof(ss); 728553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes memset(&ss, 0, sizeof(ss)); 7290ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller sockaddr* peer = (javaSocketAddress != NULL) ? reinterpret_cast<sockaddr*>(&ss) : NULL; 7300ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller socklen_t* peerLength = (javaSocketAddress != NULL) ? &sl : 0; 7311124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes jint clientFd = NET_FAILURE_RETRY(env, int, accept, javaFd, peer, peerLength); 7320ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller if (clientFd == -1 || !fillSocketAddress(env, javaSocketAddress, ss, *peerLength)) { 733553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes close(clientFd); 734553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return NULL; 735553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes } 736553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes return (clientFd != -1) ? jniCreateFileDescriptor(env, clientFd) : NULL; 737553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes} 738553d98af897f7202de5e5a776287de0b5ca8fe39Elliott Hughes 739ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jboolean Posix_access(JNIEnv* env, jobject, jstring javaPath, jint mode) { 740ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes ScopedUtfChars path(env, javaPath); 741ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes if (path.c_str() == NULL) { 742ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return JNI_FALSE; 743ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes } 74447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int rc = TEMP_FAILURE_RETRY(access(path.c_str(), mode)); 745dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 7467e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "access"); 747dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes } 748ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return (rc == 0); 749ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 750ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 751da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughesstatic void Posix_bind(JNIEnv* env, jobject, jobject javaFd, jobject javaAddress, jint port) { 7521124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes // We don't need the return value because we'll already have thrown. 753b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (void) NET_IPV4_FALLBACK(env, int, bind, javaFd, javaAddress, port, NULL_ADDR_FORBIDDEN); 754da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes} 755da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes 7568f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic void Posix_bindSocketAddress( 7578f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 7588f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_storage ss; 7598f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline socklen_t sa_len; 7608f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 7618f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return; // Exception already thrown. 7628f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 7638f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 7648f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 7658f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline // We don't need the return value because we'll already have thrown. 7668f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline (void) NET_FAILURE_RETRY(env, int, bind, javaFd, sa, sa_len); 7678f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 7688f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 769b7190190e0ef8de883c952efb319ce7748831faaElliott Hughesstatic void Posix_chmod(JNIEnv* env, jobject, jstring javaPath, jint mode) { 770b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes ScopedUtfChars path(env, javaPath); 771b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes if (path.c_str() == NULL) { 772b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes return; 773b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes } 774b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes throwIfMinusOne(env, "chmod", TEMP_FAILURE_RETRY(chmod(path.c_str(), mode))); 775b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes} 776b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes 77744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_chown(JNIEnv* env, jobject, jstring javaPath, jint uid, jint gid) { 77844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes ScopedUtfChars path(env, javaPath); 77944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes if (path.c_str() == NULL) { 78044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return; 78144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes } 78244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "chown", TEMP_FAILURE_RETRY(chown(path.c_str(), uid, gid))); 78344f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 78444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 785462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughesstatic void Posix_close(JNIEnv* env, jobject, jobject javaFd) { 786462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Get the FileDescriptor's 'fd' field and clear it. 787462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // We need to do this before we can throw an IOException (http://b/3222087). 788462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 789462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd, -1); 790462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes 791462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Even if close(2) fails with EINTR, the fd will have been closed. 792462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // Using TEMP_FAILURE_RETRY will either lead to EBADF or closing someone else's fd. 793462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes // http://lkml.indiana.edu/hypermail/linux/kernel/0509.1/0877.html 794462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes throwIfMinusOne(env, "close", close(fd)); 795462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes} 796462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes 797996bf79565ac88402920bd826d6f85952c83be20Elliott Hughesstatic void Posix_connect(JNIEnv* env, jobject, jobject javaFd, jobject javaAddress, jint port) { 798b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti (void) NET_IPV4_FALLBACK(env, int, connect, javaFd, javaAddress, port, NULL_ADDR_FORBIDDEN); 799996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes} 800996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes 8018f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Klinestatic void Posix_connectSocketAddress( 8028f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline JNIEnv* env, jobject, jobject javaFd, jobject javaSocketAddress) { 8038f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline sockaddr_storage ss; 8048f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline socklen_t sa_len; 8058f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 8068f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline return; // Exception already thrown. 8078f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline } 8088f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 8098f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 8108f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline // We don't need the return value because we'll already have thrown. 8118f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline (void) NET_FAILURE_RETRY(env, int, connect, javaFd, sa, sa_len); 8128f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline} 8138f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 814396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jobject Posix_dup(JNIEnv* env, jobject, jobject javaOldFd) { 815396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int oldFd = jniGetFDFromFileDescriptor(env, javaOldFd); 816396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int newFd = throwIfMinusOne(env, "dup", TEMP_FAILURE_RETRY(dup(oldFd))); 817396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes return (newFd != -1) ? jniCreateFileDescriptor(env, newFd) : NULL; 818396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 819396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 820396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jobject Posix_dup2(JNIEnv* env, jobject, jobject javaOldFd, jint newFd) { 821396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int oldFd = jniGetFDFromFileDescriptor(env, javaOldFd); 822396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes int fd = throwIfMinusOne(env, "dup2", TEMP_FAILURE_RETRY(dup2(oldFd, newFd))); 823396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes return (fd != -1) ? jniCreateFileDescriptor(env, fd) : NULL; 824396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 825396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 826ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jobjectArray Posix_environ(JNIEnv* env, jobject) { 827ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes extern char** environ; // Standard, but not in any header file. 828ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return toStringArray(env, environ); 829ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 830ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 831798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevichstatic void Posix_execve(JNIEnv* env, jobject, jstring javaFilename, jobjectArray javaArgv, jobjectArray javaEnvp) { 832798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich ScopedUtfChars path(env, javaFilename); 833798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich if (path.c_str() == NULL) { 834798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich return; 835798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich } 836798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 837ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings argv(env, javaArgv); 838ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings envp(env, javaEnvp); 839fa542091e45db699a937c5ac0191194405107827Elliott Hughes TEMP_FAILURE_RETRY(execve(path.c_str(), argv.get(), envp.get())); 840798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 841798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich throwErrnoException(env, "execve"); 842798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich} 843798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 844798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevichstatic void Posix_execv(JNIEnv* env, jobject, jstring javaFilename, jobjectArray javaArgv) { 845798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich ScopedUtfChars path(env, javaFilename); 846798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich if (path.c_str() == NULL) { 847798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich return; 848798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich } 849798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 850ad9208affa02f92a6b85354a33123d51d80febe1Elliott Hughes ExecStrings argv(env, javaArgv); 851fa542091e45db699a937c5ac0191194405107827Elliott Hughes TEMP_FAILURE_RETRY(execv(path.c_str(), argv.get())); 852798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 853798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich throwErrnoException(env, "execv"); 854798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich} 855798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich 85644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_fchmod(JNIEnv* env, jobject, jobject javaFd, jint mode) { 85744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 85844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "fchmod", TEMP_FAILURE_RETRY(fchmod(fd, mode))); 85944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 86044f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 86144f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_fchown(JNIEnv* env, jobject, jobject javaFd, jint uid, jint gid) { 86244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 86344f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "fchown", TEMP_FAILURE_RETRY(fchown(fd, uid, gid))); 86444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 86544f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 866fc549a0b0388987b26dea524894d75a63d14783bElliott Hughesstatic jint Posix_fcntlFlock(JNIEnv* env, jobject, jobject javaFd, jint cmd, jobject javaFlock) { 867fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID typeFid = env->GetFieldID(JniConstants::structFlockClass, "l_type", "S"); 868fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID whenceFid = env->GetFieldID(JniConstants::structFlockClass, "l_whence", "S"); 869fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID startFid = env->GetFieldID(JniConstants::structFlockClass, "l_start", "J"); 870fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID lenFid = env->GetFieldID(JniConstants::structFlockClass, "l_len", "J"); 871fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes static jfieldID pidFid = env->GetFieldID(JniConstants::structFlockClass, "l_pid", "I"); 872fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 873fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes struct flock64 lock; 874fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes memset(&lock, 0, sizeof(lock)); 875fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_type = env->GetShortField(javaFlock, typeFid); 876fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_whence = env->GetShortField(javaFlock, whenceFid); 877fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_start = env->GetLongField(javaFlock, startFid); 878fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_len = env->GetLongField(javaFlock, lenFid); 879fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes lock.l_pid = env->GetIntField(javaFlock, pidFid); 880fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 8818add3229ceb13f2aa5d15b84cc59f5ecc6b90214Neil Fuller int rc = IO_FAILURE_RETRY(env, int, fcntl, javaFd, cmd, &lock); 882fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes if (rc != -1) { 883fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetShortField(javaFlock, typeFid, lock.l_type); 884fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetShortField(javaFlock, whenceFid, lock.l_whence); 885fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetLongField(javaFlock, startFid, lock.l_start); 886fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetLongField(javaFlock, lenFid, lock.l_len); 887fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes env->SetIntField(javaFlock, pidFid, lock.l_pid); 888fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes } 889fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes return rc; 890fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes} 891fc549a0b0388987b26dea524894d75a63d14783bElliott Hughes 892c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamathstatic jint Posix_fcntlInt(JNIEnv* env, jobject, jobject javaFd, jint cmd, jint arg) { 893c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath int fd = jniGetFDFromFileDescriptor(env, javaFd); 894c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath return throwIfMinusOne(env, "fcntl", TEMP_FAILURE_RETRY(fcntl(fd, cmd, arg))); 895c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath} 896c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath 897c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamathstatic jint Posix_fcntlVoid(JNIEnv* env, jobject, jobject javaFd, jint cmd) { 898c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath int fd = jniGetFDFromFileDescriptor(env, javaFd); 899c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath return throwIfMinusOne(env, "fcntl", TEMP_FAILURE_RETRY(fcntl(fd, cmd))); 900c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath} 901c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath 90252724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughesstatic void Posix_fdatasync(JNIEnv* env, jobject, jobject javaFd) { 90352724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9047e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "fdatasync", TEMP_FAILURE_RETRY(fdatasync(fd))); 90552724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes} 90652724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes 90747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_fstat(JNIEnv* env, jobject, jobject javaFd) { 90847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 90947cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes struct stat sb; 91047cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes int rc = TEMP_FAILURE_RETRY(fstat(fd, &sb)); 911dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes if (rc == -1) { 9127e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "fstat"); 91347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return NULL; 91447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes } 91547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return makeStructStat(env, sb); 91647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 91747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 918721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject Posix_fstatvfs(JNIEnv* env, jobject, jobject javaFd) { 91959fa7163774d6930a174bc038414a4b780581957Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 920721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes struct statvfs sb; 921721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes int rc = TEMP_FAILURE_RETRY(fstatvfs(fd, &sb)); 92259fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (rc == -1) { 923721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes throwErrnoException(env, "fstatvfs"); 92459fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 92559fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 926721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return makeStructStatVfs(env, sb); 92759fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 92859fa7163774d6930a174bc038414a4b780581957Elliott Hughes 92952724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughesstatic void Posix_fsync(JNIEnv* env, jobject, jobject javaFd) { 93052724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9317e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "fsync", TEMP_FAILURE_RETRY(fsync(fd))); 932f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes} 933f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes 934f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughesstatic void Posix_ftruncate(JNIEnv* env, jobject, jobject javaFd, jlong length) { 935f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 9367e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "ftruncate", TEMP_FAILURE_RETRY(ftruncate64(fd, length))); 93752724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes} 93852724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes 9394f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic jstring Posix_gai_strerror(JNIEnv* env, jobject, jint error) { 9404f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return env->NewStringUTF(gai_strerror(error)); 9414f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 9424f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 9433e58734d651080009c9190c7062837fca5c7cf4ePaul Jensenstatic jobjectArray Posix_android_getaddrinfo(JNIEnv* env, jobject, jstring javaNode, 9443e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen jobject javaHints, jint netId) { 9451c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ScopedUtfChars node(env, javaNode); 9461c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (node.c_str() == NULL) { 9471c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9481c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9491c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9501c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID flagsFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_flags", "I"); 9511c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID familyFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_family", "I"); 9521c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID socktypeFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_socktype", "I"); 9531c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes static jfieldID protocolFid = env->GetFieldID(JniConstants::structAddrinfoClass, "ai_protocol", "I"); 9541c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9551c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes addrinfo hints; 9561c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes memset(&hints, 0, sizeof(hints)); 9571c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_flags = env->GetIntField(javaHints, flagsFid); 9581c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_family = env->GetIntField(javaHints, familyFid); 9591c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_socktype = env->GetIntField(javaHints, socktypeFid); 9601c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes hints.ai_protocol = env->GetIntField(javaHints, protocolFid); 9611c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9621c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes addrinfo* addressList = NULL; 96375cf14944d476670f6f915e5efd849e238a16250Elliott Hughes errno = 0; 9643e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen int rc = android_getaddrinfofornet(node.c_str(), NULL, &hints, netId, 0, &addressList); 965b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<addrinfo, addrinfo_deleter> addressListDeleter(addressList); 9661c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (rc != 0) { 9673e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen throwGaiException(env, "android_getaddrinfo", rc); 9681c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9691c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9701c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9711c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Count results so we know how to size the output array. 9721c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes int addressCount = 0; 9731c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes for (addrinfo* ai = addressList; ai != NULL; ai = ai->ai_next) { 9741c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (ai->ai_family == AF_INET || ai->ai_family == AF_INET6) { 9751c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ++addressCount; 9761c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } else { 9773e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen ALOGE("android_getaddrinfo unexpected ai_family %i", ai->ai_family); 9781c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9791c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9801c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (addressCount == 0) { 9811c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9821c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9831c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9841c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Prepare output array. 9851c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes jobjectArray result = env->NewObjectArray(addressCount, JniConstants::inetAddressClass, NULL); 9861c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (result == NULL) { 9871c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 9881c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9891c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9901c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Examine returned addresses one by one, save them in the output array. 9911c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes int index = 0; 9921c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes for (addrinfo* ai = addressList; ai != NULL; ai = ai->ai_next) { 9931c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) { 9941c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Unknown address family. Skip this address. 9953e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen ALOGE("android_getaddrinfo unexpected ai_family %i", ai->ai_family); 9961c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes continue; 9971c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 9981c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 9991c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes // Convert each IP address into a Java byte array. 1000482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes sockaddr_storage& address = *reinterpret_cast<sockaddr_storage*>(ai->ai_addr); 100123ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes ScopedLocalRef<jobject> inetAddress(env, sockaddrToInetAddress(env, address, NULL)); 10021c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (inetAddress.get() == NULL) { 10031c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 10041c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 10051c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes env->SetObjectArrayElement(result, index, inetAddress.get()); 10061c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ++index; 10071c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 10081c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return result; 10091c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes} 10101c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 1011396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getegid(JNIEnv*, jobject) { 1012564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getegid(); 1013396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1014396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1015396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_geteuid(JNIEnv*, jobject) { 1016564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return geteuid(); 1017396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1018396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1019396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getgid(JNIEnv*, jobject) { 1020564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getgid(); 1021396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1022396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1023ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughesstatic jstring Posix_getenv(JNIEnv* env, jobject, jstring javaName) { 1024ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes ScopedUtfChars name(env, javaName); 1025ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes if (name.c_str() == NULL) { 1026ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes return NULL; 1027ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes } 1028ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes return env->NewStringUTF(getenv(name.c_str())); 1029ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes} 1030ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes 10314f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughesstatic jstring Posix_getnameinfo(JNIEnv* env, jobject, jobject javaAddress, jint flags) { 10324f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes sockaddr_storage ss; 1033482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t sa_len; 1034482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (!inetAddressToSockaddrVerbatim(env, javaAddress, 0, ss, sa_len)) { 10354f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return NULL; 10364f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 10374f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes char buf[NI_MAXHOST]; // NI_MAXHOST is longer than INET6_ADDRSTRLEN. 103875cf14944d476670f6f915e5efd849e238a16250Elliott Hughes errno = 0; 1039482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = getnameinfo(reinterpret_cast<sockaddr*>(&ss), sa_len, buf, sizeof(buf), NULL, 0, flags); 10404f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes if (rc != 0) { 10414f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes throwGaiException(env, "getnameinfo", rc); 10424f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return NULL; 10434f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes } 10444f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes return env->NewStringUTF(buf); 10454f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes} 10464f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes 1047482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject Posix_getpeername(JNIEnv* env, jobject, jobject javaFd) { 1048482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return doGetSockName(env, javaFd, false); 1049482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 1050482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 10518f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic jint Posix_getpgid(JNIEnv* env, jobject, jint pid) { 10528f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes return throwIfMinusOne(env, "getpgid", TEMP_FAILURE_RETRY(getpgid(pid))); 10538f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 10548f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 1055396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getpid(JNIEnv*, jobject) { 1056fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(getpid()); 1057396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1058396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1059396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getppid(JNIEnv*, jobject) { 1060fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(getppid()); 1061396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1062396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1063d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject Posix_getpwnam(JNIEnv* env, jobject, jstring javaName) { 1064d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes ScopedUtfChars name(env, javaName); 1065d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes if (name.c_str() == NULL) { 1066d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return NULL; 1067d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes } 1068d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return Passwd(env).getpwnam(name.c_str()); 1069d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 1070d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 1071d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughesstatic jobject Posix_getpwuid(JNIEnv* env, jobject, jint uid) { 1072d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes return Passwd(env).getpwuid(uid); 1073d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes} 1074d4419fce71d11ec8494525eca65e54d1aab51de6Elliott Hughes 10750a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockname(JNIEnv* env, jobject, jobject javaFd) { 1076482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return doGetSockName(env, javaFd, true); 10770a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 10780a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 10790a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jint Posix_getsockoptByte(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 10800a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 10810a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes u_char result = 0; 10820a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(result); 10830a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwIfMinusOne(env, "getsockopt", TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &result, &size))); 10840a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return result; 10850a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 10860a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 10870a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptInAddr(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 10880a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 10890a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes sockaddr_storage ss; 10900a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&ss, 0, sizeof(ss)); 10910a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes ss.ss_family = AF_INET; // This is only for the IPv4-only IP_MULTICAST_IF. 10920a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes sockaddr_in* sa = reinterpret_cast<sockaddr_in*>(&ss); 10930a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(sa->sin_addr); 10940a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &sa->sin_addr, &size)); 10950a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 10960a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 10970a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 10980a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 1099482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, ss, NULL); 11000a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11010a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11020a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jint Posix_getsockoptInt(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11030a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11040a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes jint result = 0; 11050a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(result); 11060a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwIfMinusOne(env, "getsockopt", TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &result, &size))); 11070a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return result; 11080a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11090a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11100a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptLinger(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11110a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11120a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes struct linger l; 11130a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(l); 11140a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&l, 0, size); 11150a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &l, &size)); 11160a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 11170a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 11180a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 11190a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 11200a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return makeStructLinger(env, l); 11210a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11220a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 11230a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughesstatic jobject Posix_getsockoptTimeval(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 11240a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 11250a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes struct timeval tv; 11260a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes socklen_t size = sizeof(tv); 11270a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes memset(&tv, 0, size); 11280a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &tv, &size)); 11290a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes if (rc == -1) { 11300a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes throwErrnoException(env, "getsockopt"); 11310a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return NULL; 11320a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes } 11330a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes return makeStructTimeval(env, tv); 11340a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes} 11350a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes 1136482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughesstatic jobject Posix_getsockoptUcred(JNIEnv* env, jobject, jobject javaFd, jint level, jint option) { 1137482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1138482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes struct ucred u; 1139482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t size = sizeof(u); 1140482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes memset(&u, 0, size); 1141482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes int rc = TEMP_FAILURE_RETRY(getsockopt(fd, level, option, &u, &size)); 1142482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (rc == -1) { 1143482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes throwErrnoException(env, "getsockopt"); 1144482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return NULL; 1145482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes } 1146482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return makeStructUcred(env, u); 1147482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes} 1148482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes 11493deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jint Posix_gettid(JNIEnv* env __unused, jobject) { 1150efe42934a8523f2b051a351e5eceebf6216454aeElliott Hughes#if defined(__BIONIC__) 1151fa542091e45db699a937c5ac0191194405107827Elliott Hughes return TEMP_FAILURE_RETRY(gettid()); 11523deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers#else 1153069525a39125c203b658c805685b6045a7d4dfebElliott Hughes return syscall(__NR_gettid); 11543deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers#endif 1155069525a39125c203b658c805685b6045a7d4dfebElliott Hughes} 1156069525a39125c203b658c805685b6045a7d4dfebElliott Hughes 1157396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic jint Posix_getuid(JNIEnv*, jobject) { 1158564312855784c9ae57e2af73affc48b0807b13eeElliott Hughes return getuid(); 1159396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1160396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 116190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkeystatic jint Posix_getxattr(JNIEnv* env, jobject, jstring javaPath, 116290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey jstring javaName, jbyteArray javaOutValue) { 116390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 116490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 116590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return -1; 116690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 116790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 116890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 116990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return -1; 117090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 117190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedBytesRW outValue(env, javaOutValue); 117290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (outValue.get() == NULL) { 117390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return -1; 117490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 117590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey size_t outValueLength = env->GetArrayLength(javaOutValue); 117690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ssize_t size = getxattr(path.c_str(), name.c_str(), outValue.get(), outValueLength); 117790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (size < 0) { 117890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey throwErrnoException(env, "getxattr"); 117990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 118090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return size; 118190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 118290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 1183a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic jstring Posix_if_indextoname(JNIEnv* env, jobject, jint index) { 1184a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes char buf[IF_NAMESIZE]; 1185a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes char* name = if_indextoname(index, buf); 1186a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes // if_indextoname(3) returns NULL on failure, which will come out of NewStringUTF unscathed. 1187a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes // There's no useful information in errno, so we don't bother throwing. Callers can null-check. 1188a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return env->NewStringUTF(name); 1189a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 1190a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 1191fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughesstatic jobject Posix_inet_pton(JNIEnv* env, jobject, jint family, jstring javaName) { 11921c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes ScopedUtfChars name(env, javaName); 11931c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes if (name.c_str() == NULL) { 11941c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 11951c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 11961c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes sockaddr_storage ss; 11971c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes memset(&ss, 0, sizeof(ss)); 1198fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes // sockaddr_in and sockaddr_in6 are at the same address, so we can use either here. 1199fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes void* dst = &reinterpret_cast<sockaddr_in*>(&ss)->sin_addr; 1200fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes if (inet_pton(family, name.c_str(), dst) != 1) { 12011c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes return NULL; 12021c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes } 1203fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes ss.ss_family = family; 1204482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, ss, NULL); 12051c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes} 12061c039d71d3879f39e3a75b8788e656f7b4f88f08Elliott Hughes 1207a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic jobject Posix_ioctlInetAddress(JNIEnv* env, jobject, jobject javaFd, jint cmd, jstring javaInterfaceName) { 1208a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes struct ifreq req; 1209a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (!fillIfreq(env, javaInterfaceName, req)) { 1210a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return NULL; 1211a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 1212a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1213a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes int rc = throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, cmd, &req))); 1214a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (rc == -1) { 1215a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes return NULL; 1216a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes } 1217482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes return sockaddrToInetAddress(env, reinterpret_cast<sockaddr_storage&>(req.ifr_addr), NULL); 1218a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes} 1219a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes 12208b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughesstatic jint Posix_ioctlInt(JNIEnv* env, jobject, jobject javaFd, jint cmd, jobject javaArg) { 12218b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // This is complicated because ioctls may return their result by updating their argument 12228b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // or via their return value, so we need to support both. 1223461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 12248b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableIntClass, "value", "I"); 12258b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes jint arg = env->GetIntField(javaArg, valueFid); 12268b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int rc = throwIfMinusOne(env, "ioctl", TEMP_FAILURE_RETRY(ioctl(fd, cmd, &arg))); 12278b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (!env->ExceptionCheck()) { 12288b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes env->SetIntField(javaArg, valueFid, arg); 12298b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 12308b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes return rc; 1231461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes} 1232461d0d860814c68154d8dd06d24f94118f33d28aElliott Hughes 12339a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughesstatic jboolean Posix_isatty(JNIEnv* env, jobject, jobject javaFd) { 12349a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1235bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig return TEMP_FAILURE_RETRY(isatty(fd)) == 1; 12369a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes} 12379a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes 1238a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughesstatic void Posix_kill(JNIEnv* env, jobject, jint pid, jint sig) { 1239a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes throwIfMinusOne(env, "kill", TEMP_FAILURE_RETRY(kill(pid, sig))); 1240a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes} 1241a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes 124244f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughesstatic void Posix_lchown(JNIEnv* env, jobject, jstring javaPath, jint uid, jint gid) { 124344f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes ScopedUtfChars path(env, javaPath); 124444f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes if (path.c_str() == NULL) { 124544f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return; 124644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes } 124744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes throwIfMinusOne(env, "lchown", TEMP_FAILURE_RETRY(lchown(path.c_str(), uid, gid))); 124844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 124944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 125004428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughesstatic void Posix_link(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 125104428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 125204428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes if (oldPath.c_str() == NULL) { 125304428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes return; 125404428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes } 125504428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 125604428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes if (newPath.c_str() == NULL) { 125704428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes return; 125804428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes } 125904428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes throwIfMinusOne(env, "link", TEMP_FAILURE_RETRY(link(oldPath.c_str(), newPath.c_str()))); 126004428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes} 126104428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes 1262e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughesstatic void Posix_listen(JNIEnv* env, jobject, jobject javaFd, jint backlog) { 1263e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1264e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes throwIfMinusOne(env, "listen", TEMP_FAILURE_RETRY(listen(fd, backlog))); 1265e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes} 1266e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes 1267dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughesstatic jlong Posix_lseek(JNIEnv* env, jobject, jobject javaFd, jlong offset, jint whence) { 1268dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 12697e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes return throwIfMinusOne(env, "lseek", TEMP_FAILURE_RETRY(lseek64(fd, offset, whence))); 1270dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes} 1271dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes 127247cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_lstat(JNIEnv* env, jobject, jstring javaPath) { 127347cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return doStat(env, javaPath, true); 127447cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 127547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 12760f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughesstatic void Posix_mincore(JNIEnv* env, jobject, jlong address, jlong byteCount, jbyteArray javaVector) { 12770f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes ScopedByteArrayRW vector(env, javaVector); 12780f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes if (vector.get() == NULL) { 12790f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes return; 12800f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes } 12810f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 12820f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes unsigned char* vec = reinterpret_cast<unsigned char*>(vector.get()); 12830f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes throwIfMinusOne(env, "mincore", TEMP_FAILURE_RETRY(mincore(ptr, byteCount, vec))); 12840f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes} 12850f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes 1286c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughesstatic void Posix_mkdir(JNIEnv* env, jobject, jstring javaPath, jint mode) { 1287c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes ScopedUtfChars path(env, javaPath); 1288c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes if (path.c_str() == NULL) { 1289c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes return; 1290c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes } 1291c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes throwIfMinusOne(env, "mkdir", TEMP_FAILURE_RETRY(mkdir(path.c_str(), mode))); 1292c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes} 1293c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes 1294f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fullerstatic void Posix_mkfifo(JNIEnv* env, jobject, jstring javaPath, jint mode) { 1295f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller ScopedUtfChars path(env, javaPath); 1296f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller if (path.c_str() == NULL) { 1297f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return; 1298f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller } 1299f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller throwIfMinusOne(env, "mkfifo", TEMP_FAILURE_RETRY(mkfifo(path.c_str(), mode))); 1300f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller} 1301f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller 13027e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughesstatic void Posix_mlock(JNIEnv* env, jobject, jlong address, jlong byteCount) { 13037e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 13047e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes throwIfMinusOne(env, "mlock", TEMP_FAILURE_RETRY(mlock(ptr, byteCount))); 13057e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes} 13067e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes 13077e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic jlong Posix_mmap(JNIEnv* env, jobject, jlong address, jlong byteCount, jint prot, jint flags, jobject javaFd, jlong offset) { 13087e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 13097e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* suggestedPtr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 13107e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* ptr = mmap(suggestedPtr, byteCount, prot, flags, fd, offset); 13117e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes if (ptr == MAP_FAILED) { 13127e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "mmap"); 13137e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes } 13147e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes return static_cast<jlong>(reinterpret_cast<uintptr_t>(ptr)); 13157e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 13167e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 13177e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic void Posix_msync(JNIEnv* env, jobject, jlong address, jlong byteCount, jint flags) { 13187e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 13197e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "msync", TEMP_FAILURE_RETRY(msync(ptr, byteCount, flags))); 13207e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 13217e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 13227e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughesstatic void Posix_munlock(JNIEnv* env, jobject, jlong address, jlong byteCount) { 13237e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 13247e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes throwIfMinusOne(env, "munlock", TEMP_FAILURE_RETRY(munlock(ptr, byteCount))); 13257e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes} 13267e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes 13277e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughesstatic void Posix_munmap(JNIEnv* env, jobject, jlong address, jlong byteCount) { 13287e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes void* ptr = reinterpret_cast<void*>(static_cast<uintptr_t>(address)); 13297e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwIfMinusOne(env, "munmap", TEMP_FAILURE_RETRY(munmap(ptr, byteCount))); 13307e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes} 13317e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes 13320ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughesstatic jobject Posix_open(JNIEnv* env, jobject, jstring javaPath, jint flags, jint mode) { 13330ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes ScopedUtfChars path(env, javaPath); 13340ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes if (path.c_str() == NULL) { 13350ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes return NULL; 13360ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes } 13370ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes int fd = throwIfMinusOne(env, "open", TEMP_FAILURE_RETRY(open(path.c_str(), flags, mode))); 13380ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes return fd != -1 ? jniCreateFileDescriptor(env, fd) : NULL; 13390ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes} 13400ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes 13415e92aa60a8a7103c71a4607ac05880e536f4195eElliott Hughesstatic jobjectArray Posix_pipe2(JNIEnv* env, jobject, jint flags __unused) { 134241f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes int fds[2]; 13430d8b5c3692c36837d22c4e7d9c4d7d95f6a10235Elliott Hughes throwIfMinusOne(env, "pipe2", TEMP_FAILURE_RETRY(pipe2(&fds[0], flags))); 134441f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes jobjectArray result = env->NewObjectArray(2, JniConstants::fileDescriptorClass, NULL); 134541f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (result == NULL) { 134641f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 134741f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 134841f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes for (int i = 0; i < 2; ++i) { 134941f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes ScopedLocalRef<jobject> fd(env, jniCreateFileDescriptor(env, fds[i])); 135041f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (fd.get() == NULL) { 135141f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 135241f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 135341f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes env->SetObjectArrayElement(result, i, fd.get()); 135441f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes if (env->ExceptionCheck()) { 135541f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return NULL; 135641f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 135741f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes } 135841f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes return result; 135941f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes} 136041f0605d2c809bd9bc1c0fb68d86b49a0f59b6c5Elliott Hughes 136170c820401677ca251ad09ac64cc23c760764e75dElliott Hughesstatic jint Posix_poll(JNIEnv* env, jobject, jobjectArray javaStructs, jint timeoutMs) { 136270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID fdFid = env->GetFieldID(JniConstants::structPollfdClass, "fd", "Ljava/io/FileDescriptor;"); 136370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID eventsFid = env->GetFieldID(JniConstants::structPollfdClass, "events", "S"); 136470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes static jfieldID reventsFid = env->GetFieldID(JniConstants::structPollfdClass, "revents", "S"); 136570c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 13665d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes // Turn the Java android.system.StructPollfd[] into a C++ struct pollfd[]. 136770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes size_t arrayLength = env->GetArrayLength(javaStructs); 1368b3aacde3d8af759ee4a7b395c636ea360547d92dIan Rogers std::unique_ptr<struct pollfd[]> fds(new struct pollfd[arrayLength]); 136970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes memset(fds.get(), 0, sizeof(struct pollfd) * arrayLength); 137070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes size_t count = 0; // Some trailing array elements may be irrelevant. (See below.) 137170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes for (size_t i = 0; i < arrayLength; ++i) { 137270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaStruct(env, env->GetObjectArrayElement(javaStructs, i)); 137370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (javaStruct.get() == NULL) { 137470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes break; // We allow trailing nulls in the array for caller convenience. 137570c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 137670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaFd(env, env->GetObjectField(javaStruct.get(), fdFid)); 137770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (javaFd.get() == NULL) { 137870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes break; // We also allow callers to just clear the fd field (this is what Selector does). 137970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 138070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes fds[count].fd = jniGetFDFromFileDescriptor(env, javaFd.get()); 138170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes fds[count].events = env->GetShortField(javaStruct.get(), eventsFid); 138270c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ++count; 138370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 138470c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 1385f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller std::vector<AsynchronousCloseMonitor*> monitors; 1386796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes for (size_t i = 0; i < count; ++i) { 1387f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller monitors.push_back(new AsynchronousCloseMonitor(fds[i].fd)); 1388796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes } 1389fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1390fa542091e45db699a937c5ac0191194405107827Elliott Hughes int rc; 1391fa542091e45db699a937c5ac0191194405107827Elliott Hughes while (true) { 1392fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec before; 1393fa542091e45db699a937c5ac0191194405107827Elliott Hughes clock_gettime(CLOCK_MONOTONIC, &before); 1394fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1395fa542091e45db699a937c5ac0191194405107827Elliott Hughes rc = poll(fds.get(), count, timeoutMs); 1396fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (rc >= 0 || errno != EINTR) { 1397fa542091e45db699a937c5ac0191194405107827Elliott Hughes break; 1398fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1399fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1400fa542091e45db699a937c5ac0191194405107827Elliott Hughes // We got EINTR. Work out how much of the original timeout is still left. 1401fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (timeoutMs > 0) { 1402fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec now; 1403fa542091e45db699a937c5ac0191194405107827Elliott Hughes clock_gettime(CLOCK_MONOTONIC, &now); 1404fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1405fa542091e45db699a937c5ac0191194405107827Elliott Hughes timespec diff; 1406fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_sec = now.tv_sec - before.tv_sec; 1407fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_nsec = now.tv_nsec - before.tv_nsec; 1408fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (diff.tv_nsec < 0) { 1409fa542091e45db699a937c5ac0191194405107827Elliott Hughes --diff.tv_sec; 1410fa542091e45db699a937c5ac0191194405107827Elliott Hughes diff.tv_nsec += 1000000000; 1411fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1412fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1413fa542091e45db699a937c5ac0191194405107827Elliott Hughes jint diffMs = diff.tv_sec * 1000 + diff.tv_nsec / 1000000; 1414fa542091e45db699a937c5ac0191194405107827Elliott Hughes if (diffMs >= timeoutMs) { 1415fa542091e45db699a937c5ac0191194405107827Elliott Hughes rc = 0; // We have less than 1ms left anyway, so just time out. 1416fa542091e45db699a937c5ac0191194405107827Elliott Hughes break; 1417fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1418fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1419fa542091e45db699a937c5ac0191194405107827Elliott Hughes timeoutMs -= diffMs; 1420fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1421fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 1422fa542091e45db699a937c5ac0191194405107827Elliott Hughes 1423796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes for (size_t i = 0; i < monitors.size(); ++i) { 1424796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes delete monitors[i]; 1425796f0d5a4e7b83c3efc5e587b6766977dc20b0c3Elliott Hughes } 142670c820401677ca251ad09ac64cc23c760764e75dElliott Hughes if (rc == -1) { 142770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes throwErrnoException(env, "poll"); 142870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes return -1; 142970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 143070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 14315d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes // Update the revents fields in the Java android.system.StructPollfd[]. 143298b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes for (size_t i = 0; i < count; ++i) { 143370c820401677ca251ad09ac64cc23c760764e75dElliott Hughes ScopedLocalRef<jobject> javaStruct(env, env->GetObjectArrayElement(javaStructs, i)); 143498b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes if (javaStruct.get() == NULL) { 143598b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes return -1; 143698b23d4d9894d21be1eacf498f48aeb707ca1e41Elliott Hughes } 143770c820401677ca251ad09ac64cc23c760764e75dElliott Hughes env->SetShortField(javaStruct.get(), reventsFid, fds[i].revents); 143870c820401677ca251ad09ac64cc23c760764e75dElliott Hughes } 143970c820401677ca251ad09ac64cc23c760764e75dElliott Hughes return rc; 144070c820401677ca251ad09ac64cc23c760764e75dElliott Hughes} 144170c820401677ca251ad09ac64cc23c760764e75dElliott Hughes 14423deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic void Posix_posix_fallocate(JNIEnv* env, jobject, jobject javaFd __unused, 14433deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers jlong offset __unused, jlong length __unused) { 144411f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1445fa542091e45db699a937c5ac0191194405107827Elliott Hughes while ((errno = posix_fallocate64(fd, offset, length)) == EINTR) { 1446fa542091e45db699a937c5ac0191194405107827Elliott Hughes } 144711f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes if (errno != 0) { 144811f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes throwErrnoException(env, "posix_fallocate"); 144911f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes } 145011f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes} 145111f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes 14523deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogersstatic jint Posix_prctl(JNIEnv* env, jobject, jint option __unused, jlong arg2 __unused, 14533deabd220cf7b1ca0824987e90b8ecc07087f05aIan Rogers jlong arg3 __unused, jlong arg4 __unused, jlong arg5 __unused) { 1454fa542091e45db699a937c5ac0191194405107827Elliott Hughes int result = TEMP_FAILURE_RETRY(prctl(static_cast<int>(option), 1455fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg2), 1456fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg3), 1457fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg4), 1458fa542091e45db699a937c5ac0191194405107827Elliott Hughes static_cast<unsigned long>(arg5))); 14595215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich return throwIfMinusOne(env, "prctl", result); 14605215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich} 14615215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich 1462e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughesstatic jint Posix_preadBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jlong offset) { 1463e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 1464e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes if (bytes.get() == NULL) { 1465e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes return -1; 1466e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes } 1467f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, pread64, javaFd, bytes.get() + byteOffset, byteCount, offset); 1468e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes} 1469e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes 1470e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughesstatic jint Posix_pwriteBytes(JNIEnv* env, jobject, jobject javaFd, jbyteArray javaBytes, jint byteOffset, jint byteCount, jlong offset) { 1471e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes ScopedBytesRO bytes(env, javaBytes); 1472e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes if (bytes.get() == NULL) { 1473e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes return -1; 1474e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes } 1475f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, pwrite64, javaFd, bytes.get() + byteOffset, byteCount, offset); 1476e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes} 1477e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes 14780568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughesstatic jint Posix_readBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount) { 14790568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 148026c7025a7a919044771fb89031161bd26fe03032Elliott Hughes if (bytes.get() == NULL) { 148126c7025a7a919044771fb89031161bd26fe03032Elliott Hughes return -1; 148226c7025a7a919044771fb89031161bd26fe03032Elliott Hughes } 1483f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, read, javaFd, bytes.get() + byteOffset, byteCount); 148426c7025a7a919044771fb89031161bd26fe03032Elliott Hughes} 148526c7025a7a919044771fb89031161bd26fe03032Elliott Hughes 14860b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughesstatic jstring Posix_readlink(JNIEnv* env, jobject, jstring javaPath) { 14870b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes ScopedUtfChars path(env, javaPath); 14880b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes if (path.c_str() == NULL) { 14890b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return NULL; 14900b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes } 14910b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes 14920b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes std::string result; 14930b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes if (!readlink(path.c_str(), result)) { 14940b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes throwErrnoException(env, "readlink"); 14950b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return NULL; 14960b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes } 14970b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes return env->NewStringUTF(result.c_str()); 14980b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes} 14990b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes 1500bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesstatic jint Posix_readv(JNIEnv* env, jobject, jobject javaFd, jobjectArray buffers, jintArray offsets, jintArray byteCounts) { 15018dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes IoVec<ScopedBytesRW> ioVec(env, env->GetArrayLength(buffers)); 1502bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (!ioVec.init(buffers, offsets, byteCounts)) { 1503bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return -1; 1504bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 1505f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, readv, javaFd, ioVec.get(), ioVec.size()); 1506bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes} 1507bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 150823ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughesstatic jint Posix_recvfromBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaInetSocketAddress) { 150923ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes ScopedBytesRW bytes(env, javaBytes); 151023ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes if (bytes.get() == NULL) { 151123ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes return -1; 151223ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes } 151323ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes sockaddr_storage ss; 151423ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes socklen_t sl = sizeof(ss); 151523ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes memset(&ss, 0, sizeof(ss)); 151623ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes sockaddr* from = (javaInetSocketAddress != NULL) ? reinterpret_cast<sockaddr*>(&ss) : NULL; 151723ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes socklen_t* fromLength = (javaInetSocketAddress != NULL) ? &sl : 0; 15181124a814d698ed6fd68ac501f5dddfa103d656fdElliott Hughes jint recvCount = NET_FAILURE_RETRY(env, ssize_t, recvfrom, javaFd, bytes.get() + byteOffset, byteCount, flags, from, fromLength); 15196e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak if (recvCount > 0) { 15206e888e9390649a9ab2557da5b28bb75be39e1b74Przemyslaw Szczepaniak fillInetSocketAddress(env, javaInetSocketAddress, ss); 15210ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller } 152223ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes return recvCount; 152323ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes} 152423ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes 1525c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughesstatic void Posix_remove(JNIEnv* env, jobject, jstring javaPath) { 1526c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes ScopedUtfChars path(env, javaPath); 1527c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes if (path.c_str() == NULL) { 1528c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes return; 1529c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes } 1530c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes throwIfMinusOne(env, "remove", TEMP_FAILURE_RETRY(remove(path.c_str()))); 1531c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes} 1532c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes 153390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkeystatic void Posix_removexattr(JNIEnv* env, jobject, jstring javaPath, jstring javaName) { 153490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 153590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 153690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 153790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 153890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 153990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 154090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 154190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 154290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 154390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey int res = removexattr(path.c_str(), name.c_str()); 154490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (res < 0) { 154590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey throwErrnoException(env, "removexattr"); 154690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 154790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 154890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 1549a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughesstatic void Posix_rename(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 1550a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 1551a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (oldPath.c_str() == NULL) { 1552a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1553a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1554a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 1555a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (newPath.c_str() == NULL) { 1556a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1557a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1558a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes throwIfMinusOne(env, "rename", TEMP_FAILURE_RETRY(rename(oldPath.c_str(), newPath.c_str()))); 1559a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes} 1560a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes 15618b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughesstatic jlong Posix_sendfile(JNIEnv* env, jobject, jobject javaOutFd, jobject javaInFd, jobject javaOffset, jlong byteCount) { 15628b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int outFd = jniGetFDFromFileDescriptor(env, javaOutFd); 15638b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes int inFd = jniGetFDFromFileDescriptor(env, javaInFd); 15648b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableLongClass, "value", "J"); 15658b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes off_t offset = 0; 15668b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes off_t* offsetPtr = NULL; 15678b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (javaOffset != NULL) { 15688b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes // TODO: fix bionic so we can have a 64-bit off_t! 15698b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes offset = env->GetLongField(javaOffset, valueFid); 15708b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes offsetPtr = &offset; 15718b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 15728b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes jlong result = throwIfMinusOne(env, "sendfile", TEMP_FAILURE_RETRY(sendfile(outFd, inFd, offsetPtr, byteCount))); 15738b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes if (javaOffset != NULL) { 15748b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes env->SetLongField(javaOffset, valueFid, offset); 15758b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes } 15768b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes return result; 15778b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes} 15788b15dcc5890963edad4dfcf558cc16027c7985e5Elliott Hughes 157990d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughesstatic jint Posix_sendtoBytes(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaInetAddress, jint port) { 158090d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes ScopedBytesRO bytes(env, javaBytes); 158190d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes if (bytes.get() == NULL) { 158290d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes return -1; 158390d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes } 1584b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti 1585b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti return NET_IPV4_FALLBACK(env, ssize_t, sendto, javaFd, javaInetAddress, port, 1586b2a9923fa2006e384013734d3e1c6a7fbe3d9074Lorenzo Colitti NULL_ADDR_OK, bytes.get() + byteOffset, byteCount, flags); 158790d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes} 158890d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes 1589a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colittistatic jint Posix_sendtoBytesSocketAddress(JNIEnv* env, jobject, jobject javaFd, jobject javaBytes, jint byteOffset, jint byteCount, jint flags, jobject javaSocketAddress) { 1590f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti if (env->IsInstanceOf(javaSocketAddress, JniConstants::inetSocketAddressClass)) { 1591f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti // Use the InetAddress version so we get the benefit of NET_IPV4_FALLBACK. 1592f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jobject javaInetAddress; 1593f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti jint port; 1594f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetSocketAddressToInetAddressAndPort(env, javaSocketAddress, javaInetAddress, port); 1595f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti return Posix_sendtoBytes(env, NULL, javaFd, javaBytes, byteOffset, byteCount, flags, 1596f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti javaInetAddress, port); 1597f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti } 1598f5fc4ade3ab082f545e2aafdb1942c1f14e0df5dLorenzo Colitti 1599a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti ScopedBytesRO bytes(env, javaBytes); 1600a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti if (bytes.get() == NULL) { 1601a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return -1; 1602a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti } 1603a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1604a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti sockaddr_storage ss; 1605a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti socklen_t sa_len; 1606a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti if (!javaSocketAddressToSockaddr(env, javaSocketAddress, ss, sa_len)) { 1607a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return -1; 1608a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti } 1609a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1610a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti const sockaddr* sa = reinterpret_cast<const sockaddr*>(&ss); 1611a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti // We don't need the return value because we'll already have thrown. 1612a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti return NET_FAILURE_RETRY(env, ssize_t, sendto, javaFd, bytes.get() + byteOffset, byteCount, flags, sa, sa_len); 1613a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti} 1614a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti 1615396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setegid(JNIEnv* env, jobject, jint egid) { 1616396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setegid", TEMP_FAILURE_RETRY(setegid(egid))); 1617396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1618396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1619895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughesstatic void Posix_setenv(JNIEnv* env, jobject, jstring javaName, jstring javaValue, jboolean overwrite) { 1620895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars name(env, javaName); 1621895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (name.c_str() == NULL) { 1622895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 1623895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 1624895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars value(env, javaValue); 1625895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (value.c_str() == NULL) { 1626895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 1627895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 1628895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes throwIfMinusOne(env, "setenv", setenv(name.c_str(), value.c_str(), overwrite)); 1629895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes} 1630895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes 1631396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_seteuid(JNIEnv* env, jobject, jint euid) { 1632396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "seteuid", TEMP_FAILURE_RETRY(seteuid(euid))); 1633396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1634396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 1635396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setgid(JNIEnv* env, jobject, jint gid) { 1636396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setgid", TEMP_FAILURE_RETRY(setgid(gid))); 1637396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1638396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 16398f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setpgid(JNIEnv* env, jobject, jint pid, int pgid) { 16408f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setpgid", TEMP_FAILURE_RETRY(setpgid(pid, pgid))); 16418f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 16428f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 16438f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setregid(JNIEnv* env, jobject, jint rgid, int egid) { 16448f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setregid", TEMP_FAILURE_RETRY(setregid(rgid, egid))); 16458f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 16468f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 16478f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughesstatic void Posix_setreuid(JNIEnv* env, jobject, jint ruid, int euid) { 16488f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes throwIfMinusOne(env, "setreuid", TEMP_FAILURE_RETRY(setreuid(ruid, euid))); 16498f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes} 16508f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes 16516c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughesstatic jint Posix_setsid(JNIEnv* env, jobject) { 16526c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes return throwIfMinusOne(env, "setsid", TEMP_FAILURE_RETRY(setsid())); 16536c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes} 16546c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes 1655c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptByte(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1656c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1657c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes u_char byte = value; 1658c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &byte, sizeof(byte)))); 1659c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1660c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1661a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughesstatic void Posix_setsockoptIfreq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jstring javaInterfaceName) { 1662a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes struct ifreq req; 1663a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes if (!fillIfreq(env, javaInterfaceName, req)) { 1664b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes return; 1665b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes } 1666b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1667b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req)))); 1668b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes} 1669b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes 1670454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughesstatic void Posix_setsockoptInt(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1671454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1672454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1673454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes} 1674454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes 1675b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughesstatic void Posix_setsockoptIpMreqn(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jint value) { 1676b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes ip_mreqn req; 1677b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes memset(&req, 0, sizeof(req)); 1678b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes req.imr_ifindex = value; 1679b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1680b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req)))); 1681b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes} 1682b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes 1683438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughesstatic void Posix_setsockoptGroupReq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaGroupReq) { 16848ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes struct group_req req; 16858ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes memset(&req, 0, sizeof(req)); 1686438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1687438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes static jfieldID grInterfaceFid = env->GetFieldID(JniConstants::structGroupReqClass, "gr_interface", "I"); 16888ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes req.gr_interface = env->GetIntField(javaGroupReq, grInterfaceFid); 1689438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // Get the IPv4 or IPv6 multicast address to join or leave. 1690438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes static jfieldID grGroupFid = env->GetFieldID(JniConstants::structGroupReqClass, "gr_group", "Ljava/net/InetAddress;"); 1691e9f12043a1e2a29c60779cdb55c58eb156963570Elliott Hughes ScopedLocalRef<jobject> javaGroup(env, env->GetObjectField(javaGroupReq, grGroupFid)); 1692482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes socklen_t sa_len; 1693482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes if (!inetAddressToSockaddrVerbatim(env, javaGroup.get(), 0, req.gr_group, sa_len)) { 1694438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes return; 1695438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes } 1696438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1697438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 16988ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes int rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req))); 1699438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes if (rc == -1 && errno == EINVAL) { 1700438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // Maybe we're a 32-bit binary talking to a 64-bit kernel? 1701438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes // glibc doesn't automatically handle this. 1702df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // http://sourceware.org/bugzilla/show_bug.cgi?id=12080 17039634b569a92841f32268907c88c408f22cb00486Elliott Hughes struct group_req64 { 1704438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes uint32_t gr_interface; 1705438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes uint32_t my_padding; 1706438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes sockaddr_storage gr_group; 1707438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes }; 17088ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes group_req64 req64; 17098ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes req64.gr_interface = req.gr_interface; 17108ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes memcpy(&req64.gr_group, &req.gr_group, sizeof(req.gr_group)); 17118ecbb3f6a89983adb1a085469befc70488f4f04fElliott Hughes rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req64, sizeof(req64))); 1712438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes } 1713438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes throwIfMinusOne(env, "setsockopt", rc); 1714438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes} 1715df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1716df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fullerstatic void Posix_setsockoptGroupSourceReq(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaGroupSourceReq) { 1717df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller socklen_t sa_len; 1718df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller struct group_source_req req; 1719df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memset(&req, 0, sizeof(req)); 1720df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1721df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrInterfaceFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_interface", "I"); 1722df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller req.gsr_interface = env->GetIntField(javaGroupSourceReq, gsrInterfaceFid); 1723df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Get the IPv4 or IPv6 multicast address to join or leave. 1724df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrGroupFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_group", "Ljava/net/InetAddress;"); 1725df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller ScopedLocalRef<jobject> javaGroup(env, env->GetObjectField(javaGroupSourceReq, gsrGroupFid)); 1726df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (!inetAddressToSockaddrVerbatim(env, javaGroup.get(), 0, req.gsr_group, sa_len)) { 1727df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller return; 1728df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1729df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1730df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Get the IPv4 or IPv6 multicast address to add to the filter. 1731df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller static jfieldID gsrSourceFid = env->GetFieldID(JniConstants::structGroupSourceReqClass, "gsr_source", "Ljava/net/InetAddress;"); 1732df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller ScopedLocalRef<jobject> javaSource(env, env->GetObjectField(javaGroupSourceReq, gsrSourceFid)); 1733df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (!inetAddressToSockaddrVerbatim(env, javaSource.get(), 0, req.gsr_source, sa_len)) { 1734df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller return; 1735df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1736df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller 1737df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller int fd = jniGetFDFromFileDescriptor(env, javaFd); 1738df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller int rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req, sizeof(req))); 1739df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller if (rc == -1 && errno == EINVAL) { 1740df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // Maybe we're a 32-bit binary talking to a 64-bit kernel? 1741df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // glibc doesn't automatically handle this. 1742df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller // http://sourceware.org/bugzilla/show_bug.cgi?id=12080 1743df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller struct group_source_req64 { 1744df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller uint32_t gsr_interface; 1745df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller uint32_t my_padding; 1746df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller sockaddr_storage gsr_group; 1747df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller sockaddr_storage gsr_source; 1748df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller }; 1749df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller group_source_req64 req64; 1750df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller req64.gsr_interface = req.gsr_interface; 1751df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memcpy(&req64.gsr_group, &req.gsr_group, sizeof(req.gsr_group)); 1752df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller memcpy(&req64.gsr_source, &req.gsr_source, sizeof(req.gsr_source)); 1753df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller rc = TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &req64, sizeof(req64))); 1754df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller } 1755df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller throwIfMinusOne(env, "setsockopt", rc); 1756df29508a7aa622f265aaebdc472eb7d679185ebbNeil Fuller} 1757438cb9e440d250c8aa5daf4fae0c400dce8b1499Elliott Hughes 1758c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptLinger(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaLinger) { 1759c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID lOnoffFid = env->GetFieldID(JniConstants::structLingerClass, "l_onoff", "I"); 1760c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID lLingerFid = env->GetFieldID(JniConstants::structLingerClass, "l_linger", "I"); 1761c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1762c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes struct linger value; 1763c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes value.l_onoff = env->GetIntField(javaLinger, lOnoffFid); 1764c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes value.l_linger = env->GetIntField(javaLinger, lLingerFid); 1765c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1766c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1767c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1768c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughesstatic void Posix_setsockoptTimeval(JNIEnv* env, jobject, jobject javaFd, jint level, jint option, jobject javaTimeval) { 1769c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID tvSecFid = env->GetFieldID(JniConstants::structTimevalClass, "tv_sec", "J"); 1770c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes static jfieldID tvUsecFid = env->GetFieldID(JniConstants::structTimevalClass, "tv_usec", "J"); 1771c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1772c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes struct timeval value; 177339fd5e164f93ab821841aa4d1fac09055c102b8bElliott Hughes value.tv_sec = env->GetLongField(javaTimeval, tvSecFid); 177439fd5e164f93ab821841aa4d1fac09055c102b8bElliott Hughes value.tv_usec = env->GetLongField(javaTimeval, tvUsecFid); 1775c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes throwIfMinusOne(env, "setsockopt", TEMP_FAILURE_RETRY(setsockopt(fd, level, option, &value, sizeof(value)))); 1776c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes} 1777c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes 1778396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughesstatic void Posix_setuid(JNIEnv* env, jobject, jint uid) { 1779396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes throwIfMinusOne(env, "setuid", TEMP_FAILURE_RETRY(setuid(uid))); 1780396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes} 1781396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes 178290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkeystatic void Posix_setxattr(JNIEnv* env, jobject, jstring javaPath, jstring javaName, 178390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey jbyteArray javaValue, jint flags) { 178490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars path(env, javaPath); 178590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (path.c_str() == NULL) { 178690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 178790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 178890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedUtfChars name(env, javaName); 178990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (name.c_str() == NULL) { 179090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 179190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 179290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey ScopedBytesRO value(env, javaValue); 179390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (value.get() == NULL) { 179490246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey return; 179590246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 179690246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey size_t valueLength = env->GetArrayLength(javaValue); 179790246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey int res = setxattr(path.c_str(), name.c_str(), value.get(), valueLength, flags); 179890246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey if (res < 0) { 179990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey throwErrnoException(env, "setxattr"); 180090246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey } 180190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey} 180290246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey 180359e4744d27231f260271dbbca406e0cc39768116Elliott Hughesstatic void Posix_shutdown(JNIEnv* env, jobject, jobject javaFd, jint how) { 180459e4744d27231f260271dbbca406e0cc39768116Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 180559e4744d27231f260271dbbca406e0cc39768116Elliott Hughes throwIfMinusOne(env, "shutdown", TEMP_FAILURE_RETRY(shutdown(fd, how))); 180659e4744d27231f260271dbbca406e0cc39768116Elliott Hughes} 180759e4744d27231f260271dbbca406e0cc39768116Elliott Hughes 1808454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughesstatic jobject Posix_socket(JNIEnv* env, jobject, jint domain, jint type, jint protocol) { 180900bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti if (domain == AF_PACKET) { 181000bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti protocol = htons(protocol); // Packet sockets specify the protocol in host byte order. 181100bb2a5e5d619cbfd172793ca9bf7130192765ebLorenzo Colitti } 1812454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes int fd = throwIfMinusOne(env, "socket", TEMP_FAILURE_RETRY(socket(domain, type, protocol))); 1813454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes return fd != -1 ? jniCreateFileDescriptor(env, fd) : NULL; 1814454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes} 1815454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes 18163218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughesstatic void Posix_socketpair(JNIEnv* env, jobject, jint domain, jint type, jint protocol, jobject javaFd1, jobject javaFd2) { 18173218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes int fds[2]; 18183218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes int rc = throwIfMinusOne(env, "socketpair", TEMP_FAILURE_RETRY(socketpair(domain, type, protocol, fds))); 18193218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes if (rc != -1) { 18203218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd1, fds[0]); 18213218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes jniSetFileDescriptorOfFD(env, javaFd2, fds[1]); 18223218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes } 18233218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes} 18243218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes 182547cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughesstatic jobject Posix_stat(JNIEnv* env, jobject, jstring javaPath) { 182647cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes return doStat(env, javaPath, false); 182747cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes} 182847cb338d43f75dd998b29caaaa9446c5705217d1Elliott Hughes 1829721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughesstatic jobject Posix_statvfs(JNIEnv* env, jobject, jstring javaPath) { 183059fa7163774d6930a174bc038414a4b780581957Elliott Hughes ScopedUtfChars path(env, javaPath); 183159fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (path.c_str() == NULL) { 183259fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 183359fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 1834721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes struct statvfs sb; 1835721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes int rc = TEMP_FAILURE_RETRY(statvfs(path.c_str(), &sb)); 183659fa7163774d6930a174bc038414a4b780581957Elliott Hughes if (rc == -1) { 1837721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes throwErrnoException(env, "statvfs"); 183859fa7163774d6930a174bc038414a4b780581957Elliott Hughes return NULL; 183959fa7163774d6930a174bc038414a4b780581957Elliott Hughes } 1840721ceca2a52a3c27aa751476c8562e1e68088e15Elliott Hughes return makeStructStatVfs(env, sb); 184159fa7163774d6930a174bc038414a4b780581957Elliott Hughes} 184259fa7163774d6930a174bc038414a4b780581957Elliott Hughes 1843ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughesstatic jstring Posix_strerror(JNIEnv* env, jobject, jint errnum) { 184452724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes char buffer[BUFSIZ]; 1845ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes const char* message = jniStrError(errnum, buffer, sizeof(buffer)); 1846ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes return env->NewStringUTF(message); 1847ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes} 1848ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes 1849763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughesstatic jstring Posix_strsignal(JNIEnv* env, jobject, jint signal) { 1850763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes return env->NewStringUTF(strsignal(signal)); 1851763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes} 1852763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes 1853a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughesstatic void Posix_symlink(JNIEnv* env, jobject, jstring javaOldPath, jstring javaNewPath) { 1854a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars oldPath(env, javaOldPath); 1855a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (oldPath.c_str() == NULL) { 1856a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1857a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1858a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes ScopedUtfChars newPath(env, javaNewPath); 1859a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes if (newPath.c_str() == NULL) { 1860a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes return; 1861a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes } 1862a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes throwIfMinusOne(env, "symlink", TEMP_FAILURE_RETRY(symlink(oldPath.c_str(), newPath.c_str()))); 1863a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes} 1864a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes 18656fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughesstatic jlong Posix_sysconf(JNIEnv* env, jobject, jint name) { 18666fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes // Since -1 is a valid result from sysconf(3), detecting failure is a little more awkward. 18676fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes errno = 0; 18686fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes long result = sysconf(name); 18696fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes if (result == -1L && errno == EINVAL) { 18707e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes throwErrnoException(env, "sysconf"); 18716fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes } 18726fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes return result; 18736fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes} 18746fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes 1875bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestigstatic void Posix_tcdrain(JNIEnv* env, jobject, jobject javaFd) { 1876bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig int fd = jniGetFDFromFileDescriptor(env, javaFd); 1877bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig throwIfMinusOne(env, "tcdrain", TEMP_FAILURE_RETRY(tcdrain(fd))); 1878bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig} 1879bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig 1880039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughesstatic void Posix_tcsendbreak(JNIEnv* env, jobject, jobject javaFd, jint duration) { 1881039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes int fd = jniGetFDFromFileDescriptor(env, javaFd); 1882039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes throwIfMinusOne(env, "tcsendbreak", TEMP_FAILURE_RETRY(tcsendbreak(fd, duration))); 1883039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes} 1884039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes 1885c79d3ef4dcd25f0e264bf957861e2632da93e62dNick Kralevichstatic jint Posix_umaskImpl(JNIEnv*, jobject, jint mask) { 188644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes return umask(mask); 188744f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes} 188844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes 18897341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughesstatic jobject Posix_uname(JNIEnv* env, jobject) { 18907341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes struct utsname buf; 18919b510df35b57946d843ffc34cf23fdcfc84c5220Elliott Hughes if (TEMP_FAILURE_RETRY(uname(&buf)) == -1) { 18929b510df35b57946d843ffc34cf23fdcfc84c5220Elliott Hughes return NULL; // Can't happen. 18937341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes } 18947341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes return makeStructUtsname(env, buf); 18957341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes} 18967341b9ed7157a1e37a3e69a0974676da358b735aElliott Hughes 18975e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fullerstatic void Posix_unlink(JNIEnv* env, jobject, jstring javaPathname) { 18985e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller ScopedUtfChars pathname(env, javaPathname); 18995e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller if (pathname.c_str() == NULL) { 19005e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller return; 19015e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller } 19025e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller throwIfMinusOne(env, "unlink", unlink(pathname.c_str())); 19035e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller} 19045e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller 1905895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughesstatic void Posix_unsetenv(JNIEnv* env, jobject, jstring javaName) { 1906895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes ScopedUtfChars name(env, javaName); 1907895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes if (name.c_str() == NULL) { 1908895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes return; 1909895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes } 1910895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes throwIfMinusOne(env, "unsetenv", unsetenv(name.c_str())); 1911895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes} 1912895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes 19139e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughesstatic jint Posix_waitpid(JNIEnv* env, jobject, jint pid, jobject javaStatus, jint options) { 19149e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes int status; 19159e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes int rc = throwIfMinusOne(env, "waitpid", TEMP_FAILURE_RETRY(waitpid(pid, &status, options))); 19169e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes if (rc != -1) { 19179e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes static jfieldID valueFid = env->GetFieldID(JniConstants::mutableIntClass, "value", "I"); 19189e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes env->SetIntField(javaStatus, valueFid, status); 19199e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes } 19209e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes return rc; 19219e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes} 19229e67ca71d3d4a489a157abadc5ba519ced7a0b50Elliott Hughes 19230568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughesstatic jint Posix_writeBytes(JNIEnv* env, jobject, jobject javaFd, jbyteArray javaBytes, jint byteOffset, jint byteCount) { 19240568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes ScopedBytesRO bytes(env, javaBytes); 192578c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes if (bytes.get() == NULL) { 192678c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes return -1; 192778c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes } 1928f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, write, javaFd, bytes.get() + byteOffset, byteCount); 192978c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes} 193078c7cc547101002b9f9043cf3845970719d1bda8Elliott Hughes 1931bbac92e691de7d570928ddfba639067978e55b06Elliott Hughesstatic jint Posix_writev(JNIEnv* env, jobject, jobject javaFd, jobjectArray buffers, jintArray offsets, jintArray byteCounts) { 19328dc754726bb5303c25e2c48decdf76d9323ee231Elliott Hughes IoVec<ScopedBytesRO> ioVec(env, env->GetArrayLength(buffers)); 1933bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes if (!ioVec.init(buffers, offsets, byteCounts)) { 1934bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes return -1; 1935bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes } 1936f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller return IO_FAILURE_RETRY(env, ssize_t, writev, javaFd, ioVec.get(), ioVec.size()); 1937bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes} 1938bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes 19398f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline#define NATIVE_METHOD_OVERLOAD(className, functionName, signature, variant) \ 19408f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline { #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName ## variant) } 19418f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline 1942ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughesstatic JNINativeMethod gMethods[] = { 19430ab1a26ca767ae36fbbe27b62893670b208fa494Neil Fuller NATIVE_METHOD(Posix, accept, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)Ljava/io/FileDescriptor;"), 1944ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, access, "(Ljava/lang/String;I)Z"), 19453e58734d651080009c9190c7062837fca5c7cf4ePaul Jensen NATIVE_METHOD(Posix, android_getaddrinfo, "(Ljava/lang/String;Landroid/system/StructAddrinfo;I)[Ljava/net/InetAddress;"), 1946da15009528cc8300a6251f1d0931ac8657c9fc31Elliott Hughes NATIVE_METHOD(Posix, bind, "(Ljava/io/FileDescriptor;Ljava/net/InetAddress;I)V"), 19478f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline NATIVE_METHOD_OVERLOAD(Posix, bind, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)V", SocketAddress), 1948b7190190e0ef8de883c952efb319ce7748831faaElliott Hughes NATIVE_METHOD(Posix, chmod, "(Ljava/lang/String;I)V"), 194944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, chown, "(Ljava/lang/String;II)V"), 1950462bdac45c10f43d88d8f07f6994e272a27c14a2Elliott Hughes NATIVE_METHOD(Posix, close, "(Ljava/io/FileDescriptor;)V"), 1951996bf79565ac88402920bd826d6f85952c83be20Elliott Hughes NATIVE_METHOD(Posix, connect, "(Ljava/io/FileDescriptor;Ljava/net/InetAddress;I)V"), 19528f5b46d72e5c1b1b1dd4357580c4fb5a60e3f4deErik Kline NATIVE_METHOD_OVERLOAD(Posix, connect, "(Ljava/io/FileDescriptor;Ljava/net/SocketAddress;)V", SocketAddress), 1953396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, dup, "(Ljava/io/FileDescriptor;)Ljava/io/FileDescriptor;"), 1954396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, dup2, "(Ljava/io/FileDescriptor;I)Ljava/io/FileDescriptor;"), 1955ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, environ, "()[Ljava/lang/String;"), 1956798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich NATIVE_METHOD(Posix, execv, "(Ljava/lang/String;[Ljava/lang/String;)V"), 1957798f855f67b74d481346d9dc2293ba0eedd8daf9Nick Kralevich NATIVE_METHOD(Posix, execve, "(Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)V"), 195844f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, fchmod, "(Ljava/io/FileDescriptor;I)V"), 195944f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, fchown, "(Ljava/io/FileDescriptor;II)V"), 19605d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fcntlFlock, "(Ljava/io/FileDescriptor;ILandroid/system/StructFlock;)I"), 1961c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath NATIVE_METHOD(Posix, fcntlInt, "(Ljava/io/FileDescriptor;II)I"), 1962c8d9ea662de6f4856b28907b4119087cfc5a44d2Narayan Kamath NATIVE_METHOD(Posix, fcntlVoid, "(Ljava/io/FileDescriptor;I)I"), 196352724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes NATIVE_METHOD(Posix, fdatasync, "(Ljava/io/FileDescriptor;)V"), 19645d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fstat, "(Ljava/io/FileDescriptor;)Landroid/system/StructStat;"), 19655d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, fstatvfs, "(Ljava/io/FileDescriptor;)Landroid/system/StructStatVfs;"), 196652724d3ebd4ccaaa4b9f5576e329d4272cde8ea9Elliott Hughes NATIVE_METHOD(Posix, fsync, "(Ljava/io/FileDescriptor;)V"), 1967f5333fd2094bdac4d6506177b1964b79afa64d77Elliott Hughes NATIVE_METHOD(Posix, ftruncate, "(Ljava/io/FileDescriptor;J)V"), 19684f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes NATIVE_METHOD(Posix, gai_strerror, "(I)Ljava/lang/String;"), 1969396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getegid, "()I"), 1970396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, geteuid, "()I"), 1971396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getgid, "()I"), 1972ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes NATIVE_METHOD(Posix, getenv, "(Ljava/lang/String;)Ljava/lang/String;"), 19734f11ebea266eada830d507b8f011e811a8e5d7bcElliott Hughes NATIVE_METHOD(Posix, getnameinfo, "(Ljava/net/InetAddress;I)Ljava/lang/String;"), 1974482a3fc5635ac431b8a7476d7fe3397af4c2e8ecElliott Hughes NATIVE_METHOD(Posix, getpeername, "(Ljava/io/FileDescriptor;)Ljava/net/SocketAddress;"), 19758f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, getpgid, "(I)I"), 1976396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getpid, "()I"), 1977396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getppid, "()I"), 19785d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getpwnam, "(Ljava/lang/String;)Landroid/system/StructPasswd;"), 19795d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getpwuid, "(I)Landroid/system/StructPasswd;"), 19800a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockname, "(Ljava/io/FileDescriptor;)Ljava/net/SocketAddress;"), 19810a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptByte, "(Ljava/io/FileDescriptor;II)I"), 19820a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptInAddr, "(Ljava/io/FileDescriptor;II)Ljava/net/InetAddress;"), 19830a9d1ee45a9884a9616624d747172e18734e8fe0Elliott Hughes NATIVE_METHOD(Posix, getsockoptInt, "(Ljava/io/FileDescriptor;II)I"), 19845d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptLinger, "(Ljava/io/FileDescriptor;II)Landroid/system/StructLinger;"), 19855d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptTimeval, "(Ljava/io/FileDescriptor;II)Landroid/system/StructTimeval;"), 19865d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, getsockoptUcred, "(Ljava/io/FileDescriptor;II)Landroid/system/StructUcred;"), 1987069525a39125c203b658c805685b6045a7d4dfebElliott Hughes NATIVE_METHOD(Posix, gettid, "()I"), 1988396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, getuid, "()I"), 198990246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey NATIVE_METHOD(Posix, getxattr, "(Ljava/lang/String;Ljava/lang/String;[B)I"), 1990a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes NATIVE_METHOD(Posix, if_indextoname, "(I)Ljava/lang/String;"), 1991fc041ff241f9a7556e72236f130de0215ecd17dbElliott Hughes NATIVE_METHOD(Posix, inet_pton, "(ILjava/lang/String;)Ljava/net/InetAddress;"), 1992a37e971343883bb582a93ffbd9f0ba84f10e55baElliott Hughes NATIVE_METHOD(Posix, ioctlInetAddress, "(Ljava/io/FileDescriptor;ILjava/lang/String;)Ljava/net/InetAddress;"), 19935d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, ioctlInt, "(Ljava/io/FileDescriptor;ILandroid/util/MutableInt;)I"), 19949a3f363523000704205df288f8b6f2f48c0d8563Elliott Hughes NATIVE_METHOD(Posix, isatty, "(Ljava/io/FileDescriptor;)Z"), 1995a5fb706fe4a6dbeaaf4cb1f8bbc2c68b0a2a3f3cElliott Hughes NATIVE_METHOD(Posix, kill, "(II)V"), 199644f7875f2985d7944c5afecc8394ad9f2219c806Elliott Hughes NATIVE_METHOD(Posix, lchown, "(Ljava/lang/String;II)V"), 199704428d61d7000e17ab21d08a1d672c34eb68f6e2Elliott Hughes NATIVE_METHOD(Posix, link, "(Ljava/lang/String;Ljava/lang/String;)V"), 1998e1502d64e937001636fca3d62b2552ef2a34d05fElliott Hughes NATIVE_METHOD(Posix, listen, "(Ljava/io/FileDescriptor;I)V"), 1999dedaccdfa07c370a58cba08b096133ad9eec0ec3Elliott Hughes NATIVE_METHOD(Posix, lseek, "(Ljava/io/FileDescriptor;JI)J"), 20005d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, lstat, "(Ljava/lang/String;)Landroid/system/StructStat;"), 20010f746ff511162add42eeabaf14ba70ace874c6f4Elliott Hughes NATIVE_METHOD(Posix, mincore, "(JJ[B)V"), 2002c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes NATIVE_METHOD(Posix, mkdir, "(Ljava/lang/String;I)V"), 2003f0d40d662d9dfdb04215c718961765837d2cf00cNeil Fuller NATIVE_METHOD(Posix, mkfifo, "(Ljava/lang/String;I)V"), 20047e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes NATIVE_METHOD(Posix, mlock, "(JJ)V"), 20057e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, mmap, "(JJIILjava/io/FileDescriptor;J)J"), 20067e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, msync, "(JJI)V"), 20077e13c0f05ac9e7c55682d10e953dd4cbd5e6107cElliott Hughes NATIVE_METHOD(Posix, munlock, "(JJ)V"), 20087e25eff38a191d9c19e45093f4fde5102fb09d78Elliott Hughes NATIVE_METHOD(Posix, munmap, "(JJ)V"), 20090ac77ac8e915bff1a863e371f9b363033f9cf759Elliott Hughes NATIVE_METHOD(Posix, open, "(Ljava/lang/String;II)Ljava/io/FileDescriptor;"), 201075781e7ed9373d97f5959b5b20e7343b8f7e1417Elliott Hughes NATIVE_METHOD(Posix, pipe2, "(I)[Ljava/io/FileDescriptor;"), 20115d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, poll, "([Landroid/system/StructPollfd;I)I"), 201211f07d30d2e344b48f132ec6ed105d85423052c2Elliott Hughes NATIVE_METHOD(Posix, posix_fallocate, "(Ljava/io/FileDescriptor;JJ)V"), 20135215e4c0db7530519981f1e505e6db82401802f2Nick Kralevich NATIVE_METHOD(Posix, prctl, "(IJJJJ)I"), 2014e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes NATIVE_METHOD(Posix, preadBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIJ)I"), 2015e3b6fa2bf357f2712ab2ee9e8487f157595ea0c7Elliott Hughes NATIVE_METHOD(Posix, pwriteBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIJ)I"), 20160568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes NATIVE_METHOD(Posix, readBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;II)I"), 20170b6b3e10459fc3a3f4dd280dab8d4a145f7bf2f0Elliott Hughes NATIVE_METHOD(Posix, readlink, "(Ljava/lang/String;)Ljava/lang/String;"), 2018bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes NATIVE_METHOD(Posix, readv, "(Ljava/io/FileDescriptor;[Ljava/lang/Object;[I[I)I"), 201923ec09188303a874b3b391f96ae0a29af002bff9Elliott Hughes NATIVE_METHOD(Posix, recvfromBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/InetSocketAddress;)I"), 2020c7fa20701d5e9398c38f4615ed293acfce1c0cf6Elliott Hughes NATIVE_METHOD(Posix, remove, "(Ljava/lang/String;)V"), 202190246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey NATIVE_METHOD(Posix, removexattr, "(Ljava/lang/String;Ljava/lang/String;)V"), 2022a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes NATIVE_METHOD(Posix, rename, "(Ljava/lang/String;Ljava/lang/String;)V"), 20235d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, sendfile, "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;Landroid/util/MutableLong;J)J"), 202490d96a4f168b7e56cff54dc94dca2f3cde60ebcdElliott Hughes NATIVE_METHOD(Posix, sendtoBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/InetAddress;I)I"), 2025a8b7587c5001db3489c64ac1d16c254a683f76bdLorenzo Colitti NATIVE_METHOD_OVERLOAD(Posix, sendtoBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;IIILjava/net/SocketAddress;)I", SocketAddress), 2026396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setegid, "(I)V"), 2027895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes NATIVE_METHOD(Posix, setenv, "(Ljava/lang/String;Ljava/lang/String;Z)V"), 2028396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, seteuid, "(I)V"), 2029396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setgid, "(I)V"), 20308f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setpgid, "(II)V"), 20318f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setregid, "(II)V"), 20328f0f2ac7fcd8f366a78cc51181d065ab93385e46Elliott Hughes NATIVE_METHOD(Posix, setreuid, "(II)V"), 20336c9b5377550a9649ed1532d1fcdfeba116c74eadElliott Hughes NATIVE_METHOD(Posix, setsid, "()I"), 2034c63f0d4e80a9fd3bdf99cd438d108b750226736aElliott Hughes NATIVE_METHOD(Posix, setsockoptByte, "(Ljava/io/FileDescriptor;III)V"), 2035b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes NATIVE_METHOD(Posix, setsockoptIfreq, "(Ljava/io/FileDescriptor;IILjava/lang/String;)V"), 2036454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes NATIVE_METHOD(Posix, setsockoptInt, "(Ljava/io/FileDescriptor;III)V"), 2037b974666d79ebc392b37ec1ae83aae57ae6331c08Elliott Hughes NATIVE_METHOD(Posix, setsockoptIpMreqn, "(Ljava/io/FileDescriptor;III)V"), 20385d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptGroupReq, "(Ljava/io/FileDescriptor;IILandroid/system/StructGroupReq;)V"), 20395d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptGroupSourceReq, "(Ljava/io/FileDescriptor;IILandroid/system/StructGroupSourceReq;)V"), 20405d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptLinger, "(Ljava/io/FileDescriptor;IILandroid/system/StructLinger;)V"), 20415d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, setsockoptTimeval, "(Ljava/io/FileDescriptor;IILandroid/system/StructTimeval;)V"), 2042396a9c666da353b910b515d12eb1c43adfddb0c8Elliott Hughes NATIVE_METHOD(Posix, setuid, "(I)V"), 204390246a0ae7117d780e077c9e84cdb73ff5b44af7Jeff Sharkey NATIVE_METHOD(Posix, setxattr, "(Ljava/lang/String;Ljava/lang/String;[BI)V"), 204459e4744d27231f260271dbbca406e0cc39768116Elliott Hughes NATIVE_METHOD(Posix, shutdown, "(Ljava/io/FileDescriptor;I)V"), 2045454a95f6a28855aa3c88d168b15a45bf315efc99Elliott Hughes NATIVE_METHOD(Posix, socket, "(III)Ljava/io/FileDescriptor;"), 20463218082325b6b8713a8ac15731482e3da86a7df9Elliott Hughes NATIVE_METHOD(Posix, socketpair, "(IIILjava/io/FileDescriptor;Ljava/io/FileDescriptor;)V"), 20475d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, stat, "(Ljava/lang/String;)Landroid/system/StructStat;"), 20485d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, statvfs, "(Ljava/lang/String;)Landroid/system/StructStatVfs;"), 2049ddfdbb9d172fe9b72e08e8d7deab0aa3b8acf044Elliott Hughes NATIVE_METHOD(Posix, strerror, "(I)Ljava/lang/String;"), 2050763f8ed6195707d0c30bfae1ca8a3bb886b746ccElliott Hughes NATIVE_METHOD(Posix, strsignal, "(I)Ljava/lang/String;"), 2051a20cc6fca30d18e05db67ceeb0403b7b58ffd364Elliott Hughes NATIVE_METHOD(Posix, symlink, "(Ljava/lang/String;Ljava/lang/String;)V"), 20526fc1a0e1e68dc2e0d12341548e58fa7f1c5dafc4Elliott Hughes NATIVE_METHOD(Posix, sysconf, "(I)J"), 2053bb5816aa1626eb2f6263bd21479600b114c8a1bdJohan Redestig NATIVE_METHOD(Posix, tcdrain, "(Ljava/io/FileDescriptor;)V"), 2054039f7599559fd7e48c354b99dcb94ff391f53349Elliott Hughes NATIVE_METHOD(Posix, tcsendbreak, "(Ljava/io/FileDescriptor;I)V"), 2055c79d3ef4dcd25f0e264bf957861e2632da93e62dNick Kralevich NATIVE_METHOD(Posix, umaskImpl, "(I)I"), 20565d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, uname, "()Landroid/system/StructUtsname;"), 20575e8f82f2592498e75ac4685ccd0d31d601d37bdcNeil Fuller NATIVE_METHOD(Posix, unlink, "(Ljava/lang/String;)V"), 2058895a613aa2aec6aa6d03b29755cf2fea584909adElliott Hughes NATIVE_METHOD(Posix, unsetenv, "(Ljava/lang/String;)V"), 20595d930cadc8f62aee5f18e7921296fe66a54f18abElliott Hughes NATIVE_METHOD(Posix, waitpid, "(ILandroid/util/MutableInt;I)I"), 20600568a63ba1086a78ffb4cff68dd2eac4f9908e13Elliott Hughes NATIVE_METHOD(Posix, writeBytes, "(Ljava/io/FileDescriptor;Ljava/lang/Object;II)I"), 2061bbac92e691de7d570928ddfba639067978e55b06Elliott Hughes NATIVE_METHOD(Posix, writev, "(Ljava/io/FileDescriptor;[Ljava/lang/Object;[I[I)I"), 2062ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes}; 20637cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughesvoid register_libcore_io_Posix(JNIEnv* env) { 20647cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughes jniRegisterNativeMethods(env, "libcore/io/Posix", gMethods, NELEM(gMethods)); 2065ec617e2cb4a374f0fd8fbda4a633214cf23a59a9Elliott Hughes} 2066