1 /* 2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include <winsock2.h> 27 #include <WS2tcpip.h> 28 29 /* typedefs that were defined correctly for the first time 30 * in Nov. 2001 SDK, which we need to include here. 31 * Specifically, in6_addr and sockaddr_in6 (which is defined but 32 * not correctly). When moving to a later SDK remove following 33 * code between START and END 34 */ 35 36 /* --- START --- */ 37 38 /* WIN64 already uses newer SDK */ 39 #ifdef _WIN64 40 41 #define SOCKADDR_IN6 sockaddr_in6 42 43 #else 44 45 #ifdef _MSC_VER 46 #define WS2TCPIP_INLINE __inline 47 #else 48 #define WS2TCPIP_INLINE extern inline /* GNU style */ 49 #endif 50 51 #if defined(_MSC_VER) && _MSC_VER >= 1310 52 53 #define SOCKADDR_IN6 sockaddr_in6 54 55 #else 56 57 /* Retain this code a little longer to support building in 58 * old environments. _MSC_VER is defined as: 59 * 1200 for MSVC++ 6.0 60 * 1310 for Vc7 61 */ 62 63 #define IPPROTO_IPV6 41 64 #define IPV6_MULTICAST_IF 9 65 66 struct in6_addr { 67 union { 68 u_char Byte[16]; 69 u_short Word[8]; 70 } u; 71 }; 72 73 /* 74 ** Defines to match RFC 2553. 75 */ 76 #define _S6_un u 77 #define _S6_u8 Byte 78 #define s6_addr _S6_un._S6_u8 79 80 /* 81 ** Defines for our implementation. 82 */ 83 #define s6_bytes u.Byte 84 #define s6_words u.Word 85 86 /* IPv6 socket address structure, RFC 2553 */ 87 88 struct SOCKADDR_IN6 { 89 short sin6_family; /* AF_INET6 */ 90 u_short sin6_port; /* Transport level port number */ 91 u_long sin6_flowinfo; /* IPv6 flow information */ 92 struct in6_addr sin6_addr; /* IPv6 address */ 93 u_long sin6_scope_id; /* set of interfaces for a scope */ 94 }; 95 96 97 /* Error codes from getaddrinfo() */ 98 99 #define EAI_AGAIN WSATRY_AGAIN 100 #define EAI_BADFLAGS WSAEINVAL 101 #define EAI_FAIL WSANO_RECOVERY 102 #define EAI_FAMILY WSAEAFNOSUPPORT 103 #define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY 104 //#define EAI_NODATA WSANO_DATA 105 #define EAI_NONAME WSAHOST_NOT_FOUND 106 #define EAI_SERVICE WSATYPE_NOT_FOUND 107 #define EAI_SOCKTYPE WSAESOCKTNOSUPPORT 108 109 #define EAI_NODATA EAI_NONAME 110 111 /* Structure used in getaddrinfo() call */ 112 113 typedef struct addrinfo { 114 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */ 115 int ai_family; /* PF_xxx */ 116 int ai_socktype; /* SOCK_xxx */ 117 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 118 size_t ai_addrlen; /* Length of ai_addr */ 119 char *ai_canonname; /* Canonical name for nodename */ 120 struct sockaddr *ai_addr; /* Binary address */ 121 struct addrinfo *ai_next; /* Next structure in linked list */ 122 } ADDRINFO, FAR * LPADDRINFO; 123 124 /* Flags used in "hints" argument to getaddrinfo() */ 125 126 #define AI_PASSIVE 0x1 /* Socket address will be used in bind() call */ 127 #define AI_CANONNAME 0x2 /* Return canonical name in first ai_canonname */ 128 #define AI_NUMERICHOST 0x4 /* Nodename must be a numeric address string */ 129 130 /* IPv6 Multicasting definitions */ 131 132 /* Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP */ 133 134 typedef struct ipv6_mreq { 135 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast address */ 136 unsigned int ipv6mr_interface; /* Interface index */ 137 } IPV6_MREQ; 138 139 #define IPV6_ADD_MEMBERSHIP 12 /* Add an IP group membership */ 140 #define IPV6_DROP_MEMBERSHIP 13 /* Drop an IP group membership */ 141 #define IPV6_MULTICAST_LOOP 11 /* Set/get IP multicast loopback */ 142 143 WS2TCPIP_INLINE int 144 IN6_IS_ADDR_MULTICAST(const struct in6_addr *a) 145 { 146 return (a->s6_bytes[0] == 0xff); 147 } 148 149 WS2TCPIP_INLINE int 150 IN6_IS_ADDR_LINKLOCAL(const struct in6_addr *a) 151 { 152 return (a->s6_bytes[0] == 0xfe 153 && a->s6_bytes[1] == 0x80); 154 } 155 156 #define NI_MAXHOST 1025 /* Max size of a fully-qualified domain name */ 157 #define NI_MAXSERV 32 /* Max size of a service name */ 158 159 #define INET_ADDRSTRLEN 16 /* Max size of numeric form of IPv4 address */ 160 #define INET6_ADDRSTRLEN 46 /* Max size of numeric form of IPv6 address */ 161 162 /* Flags for getnameinfo() */ 163 164 #define NI_NOFQDN 0x01 /* Only return nodename portion for local hosts */ 165 #define NI_NUMERICHOST 0x02 /* Return numeric form of the host's address */ 166 #define NI_NAMEREQD 0x04 /* Error if the host's name not in DNS */ 167 #define NI_NUMERICSERV 0x08 /* Return numeric form of the service (port #) */ 168 #define NI_DGRAM 0x10 /* Service is a datagram service */ 169 170 171 #define IN6_IS_ADDR_V4MAPPED(a) \ 172 (((a)->s6_words[0] == 0) && ((a)->s6_words[1] == 0) && \ 173 ((a)->s6_words[2] == 0) && ((a)->s6_words[3] == 0) && \ 174 ((a)->s6_words[4] == 0) && ((a)->s6_words[5] == 0xffff)) 175 176 177 /* --- END --- */ 178 #endif /* end 'else older build environment' */ 179 180 #endif 181 182 #if !INCL_WINSOCK_API_TYPEDEFS 183 184 typedef 185 int 186 (WSAAPI * LPFN_GETADDRINFO)( 187 IN const char FAR * nodename, 188 IN const char FAR * servname, 189 IN const struct addrinfo FAR * hints, 190 OUT struct addrinfo FAR * FAR * res 191 ); 192 193 typedef 194 void 195 (WSAAPI * LPFN_FREEADDRINFO)( 196 IN struct addrinfo FAR * ai 197 ); 198 199 typedef 200 int 201 (WSAAPI * LPFN_GETNAMEINFO)( 202 IN const struct sockaddr FAR * sa, 203 IN int salen, 204 OUT char FAR * host, 205 IN DWORD hostlen, 206 OUT char FAR * serv, 207 IN DWORD servlen, 208 IN int flags 209 ); 210 #endif 211 212 LPFN_GETADDRINFO getaddrinfo_ptr; 213 LPFN_FREEADDRINFO freeaddrinfo_ptr; 214 LPFN_GETNAMEINFO getnameinfo_ptr; 215 216 /* used to disable connection reset messages on Windows XP */ 217 #ifndef SIO_UDP_CONNRESET 218 #define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12) 219 #endif 220 221 #ifndef IN6_IS_ADDR_ANY 222 #define IN6_IS_ADDR_ANY(a) \ 223 (((a)->s6_words[0] == 0) && ((a)->s6_words[1] == 0) && \ 224 ((a)->s6_words[2] == 0) && ((a)->s6_words[3] == 0) && \ 225 ((a)->s6_words[4] == 0) && ((a)->s6_words[5] == 0) && \ 226 ((a)->s6_words[6] == 0) && ((a)->s6_words[7] == 0)) 227 #endif 228 229 #ifndef IPV6_V6ONLY 230 #define IPV6_V6ONLY 27 /* Treat wildcard bind as AF_INET6-only. */ 231 #endif 232 233 #include "java_io_FileDescriptor.h" 234 #include "java_net_SocketOptions.h" 235 236 #define MAX_BUFFER_LEN 2048 237 #define MAX_HEAP_BUFFER_LEN 65536 238 239 240 /* true if SO_RCVTIMEO is supported by underlying provider */ 241 extern jboolean isRcvTimeoutSupported; 242 243 void NET_ThrowCurrent(JNIEnv *env, char *msg); 244 245 /* 246 * Return default Type Of Service 247 */ 248 int NET_GetDefaultTOS(void); 249 250 typedef union { 251 struct sockaddr him; 252 struct sockaddr_in him4; 253 struct SOCKADDR_IN6 him6; 254 } SOCKETADDRESS; 255 256 /* 257 * passed to NET_BindV6. Both ipv4_fd and ipv6_fd must be created and unbound 258 * sockets. On return they may refer to different sockets. 259 */ 260 struct ipv6bind { 261 SOCKETADDRESS *addr; 262 SOCKET ipv4_fd; 263 SOCKET ipv6_fd; 264 }; 265 266 #define SOCKETADDRESS_LEN(X) \ 267 (((X)->him.sa_family==AF_INET6)? sizeof(struct SOCKADDR_IN6) : \ 268 sizeof(struct sockaddr_in)) 269 270 #define SOCKETADDRESS_COPY(DST,SRC) { \ 271 if ((SRC)->sa_family == AF_INET6) { \ 272 memcpy ((DST), (SRC), sizeof (struct SOCKADDR_IN6)); \ 273 } else { \ 274 memcpy ((DST), (SRC), sizeof (struct sockaddr_in)); \ 275 } \ 276 } 277 278 #define SET_PORT(X,Y) { \ 279 if ((X)->him.sa_family == AF_INET) { \ 280 (X)->him4.sin_port = (Y); \ 281 } else { \ 282 (X)->him6.sin6_port = (Y); \ 283 } \ 284 } 285 286 #define GET_PORT(X) ((X)->him.sa_family==AF_INET ?(X)->him4.sin_port: (X)->him6.sin6_port) 287 288 #define IS_LOOPBACK_ADDRESS(x) ( \ 289 ((x)->him.sa_family == AF_INET) ? \ 290 (ntohl((x)->him4.sin_addr.s_addr)==INADDR_LOOPBACK) : \ 291 (IN6ADDR_ISLOOPBACK (x)) \ 292 ) 293 294 JNIEXPORT int JNICALL NET_SocketClose(int fd); 295 296 JNIEXPORT int JNICALL NET_Timeout(int fd, long timeout); 297 298 int NET_Socket(int domain, int type, int protocol); 299 300 void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name, 301 const char *defaultDetail); 302 303 void NET_ThrowSocketException(JNIEnv *env, char* msg); 304 305 jboolean NET_addrtransAvailable(); 306 307 /* 308 * differs from NET_Timeout() as follows: 309 * 310 * If timeout = -1, it blocks forever. 311 * 312 * returns 1 or 2 depending if only one or both sockets 313 * fire at same time. 314 * 315 * *fdret is (one of) the active fds. If both sockets 316 * fire at same time, *fd == fd always. 317 */ 318 JNIEXPORT int JNICALL NET_Timeout2(int fd, int fd1, long timeout, int *fdret); 319 320 JNIEXPORT int JNICALL NET_BindV6(struct ipv6bind* b); 321 322 #define NET_WAIT_READ 0x01 323 #define NET_WAIT_WRITE 0x02 324 #define NET_WAIT_CONNECT 0x04 325 326 extern jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout); 327 328 /* XP versions of the native routines */ 329 330 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0_XP 331 (JNIEnv *env, jclass cls, jstring name); 332 333 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0_XP 334 (JNIEnv *env, jclass cls, jint index); 335 336 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0_XP 337 (JNIEnv *env, jclass cls, jobject iaObj); 338 339 JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll_XP 340 (JNIEnv *env, jclass cls); 341 342 JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0_XP 343 (JNIEnv *env, jclass cls, jstring name, jint index); 344 345 JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0_XP 346 (JNIEnv *env, jclass cls, jstring name, jint index); 347 348 JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0_XP 349 (JNIEnv *env, jclass cls, jstring name, jint index); 350 351 JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0_XP 352 (JNIEnv *env, jclass cls, jstring name, jint index); 353 354 JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0_XP 355 (JNIEnv *env, jclass class, jstring name, jint index); 356 357 JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0_XP 358 (JNIEnv *env, jclass cls, jstring name, jint index);