1 /*
2 * Copyright (c) 1997, 2013, 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 /*SO_REUSEPORT is not supported on Windows, define it to 0*/
58 #define SO_REUSEPORT 0
59
60 /* Retain this code a little longer to support building in
61 * old environments. _MSC_VER is defined as:
62 * 1200 for MSVC++ 6.0
63 * 1310 for Vc7
64 */
65
66 #define IPPROTO_IPV6 41
67 #define IPV6_MULTICAST_IF 9
68
69 struct in6_addr {
70 union {
71 u_char Byte[16];
72 u_short Word[8];
73 } u;
74 };
75
76 /*
77 ** Defines to match RFC 2553.
78 */
79 #define _S6_un u
80 #define _S6_u8 Byte
81 #define s6_addr _S6_un._S6_u8
82
83 /*
84 ** Defines for our implementation.
85 */
86 #define s6_bytes u.Byte
87 #define s6_words u.Word
88
89 /* IPv6 socket address structure, RFC 2553 */
90
91 struct SOCKADDR_IN6 {
92 short sin6_family; /* AF_INET6 */
93 u_short sin6_port; /* Transport level port number */
94 u_long sin6_flowinfo; /* IPv6 flow information */
95 struct in6_addr sin6_addr; /* IPv6 address */
96 u_long sin6_scope_id; /* set of interfaces for a scope */
97 };
98
99
100 /* Error codes from getaddrinfo() */
101
102 #define EAI_AGAIN WSATRY_AGAIN
103 #define EAI_BADFLAGS WSAEINVAL
104 #define EAI_FAIL WSANO_RECOVERY
105 #define EAI_FAMILY WSAEAFNOSUPPORT
106 #define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
107 //#define EAI_NODATA WSANO_DATA
108 #define EAI_NONAME WSAHOST_NOT_FOUND
109 #define EAI_SERVICE WSATYPE_NOT_FOUND
110 #define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
111
112 #define EAI_NODATA EAI_NONAME
113
114 /* Structure used in getaddrinfo() call */
115
116 typedef struct addrinfo {
117 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
118 int ai_family; /* PF_xxx */
119 int ai_socktype; /* SOCK_xxx */
120 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
121 size_t ai_addrlen; /* Length of ai_addr */
122 char *ai_canonname; /* Canonical name for nodename */
123 struct sockaddr *ai_addr; /* Binary address */
124 struct addrinfo *ai_next; /* Next structure in linked list */
125 } ADDRINFO, FAR * LPADDRINFO;
126
127 /* Flags used in "hints" argument to getaddrinfo() */
128
129 #define AI_PASSIVE 0x1 /* Socket address will be used in bind() call */
130 #define AI_CANONNAME 0x2 /* Return canonical name in first ai_canonname */
131 #define AI_NUMERICHOST 0x4 /* Nodename must be a numeric address string */
132
133 /* IPv6 Multicasting definitions */
134
135 /* Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP */
136
137 typedef struct ipv6_mreq {
138 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast address */
139 unsigned int ipv6mr_interface; /* Interface index */
140 } IPV6_MREQ;
141
142 #define IPV6_ADD_MEMBERSHIP 12 /* Add an IP group membership */
143 #define IPV6_DROP_MEMBERSHIP 13 /* Drop an IP group membership */
144 #define IPV6_MULTICAST_LOOP 11 /* Set/get IP multicast loopback */
145
146 WS2TCPIP_INLINE int
147 IN6_IS_ADDR_MULTICAST(const struct in6_addr *a)
148 {
149 return (a->s6_bytes[0] == 0xff);
150 }
151
152 WS2TCPIP_INLINE int
153 IN6_IS_ADDR_LINKLOCAL(const struct in6_addr *a)
154 {
155 return (a->s6_bytes[0] == 0xfe
156 && a->s6_bytes[1] == 0x80);
157 }
158
159 #define NI_MAXHOST 1025 /* Max size of a fully-qualified domain name */
160 #define NI_MAXSERV 32 /* Max size of a service name */
161
162 #define INET_ADDRSTRLEN 16 /* Max size of numeric form of IPv4 address */
163 #define INET6_ADDRSTRLEN 46 /* Max size of numeric form of IPv6 address */
164
165 /* Flags for getnameinfo() */
166
167 #define NI_NOFQDN 0x01 /* Only return nodename portion for local hosts */
168 #define NI_NUMERICHOST 0x02 /* Return numeric form of the host's address */
169 #define NI_NAMEREQD 0x04 /* Error if the host's name not in DNS */
170 #define NI_NUMERICSERV 0x08 /* Return numeric form of the service (port #) */
171 #define NI_DGRAM 0x10 /* Service is a datagram service */
172
173
174 #define IN6_IS_ADDR_V4MAPPED(a) \
175 (((a)->s6_words[0] == 0) && ((a)->s6_words[1] == 0) && \
176 ((a)->s6_words[2] == 0) && ((a)->s6_words[3] == 0) && \
177 ((a)->s6_words[4] == 0) && ((a)->s6_words[5] == 0xffff))
178
179
180 /* --- END --- */
181 #endif /* end 'else older build environment' */
182
183 #endif
184
185 #if !INCL_WINSOCK_API_TYPEDEFS
186
187 typedef
188 int
189 (WSAAPI * LPFN_GETADDRINFO)(
190 IN const char FAR * nodename,
191 IN const char FAR * servname,
192 IN const struct addrinfo FAR * hints,
193 OUT struct addrinfo FAR * FAR * res
194 );
195
196 typedef
197 void
198 (WSAAPI * LPFN_FREEADDRINFO)(
199 IN struct addrinfo FAR * ai
200 );
201
202 typedef
203 int
204 (WSAAPI * LPFN_GETNAMEINFO)(
205 IN const struct sockaddr FAR * sa,
206 IN int salen,
207 OUT char FAR * host,
208 IN DWORD hostlen,
209 OUT char FAR * serv,
210 IN DWORD servlen,
211 IN int flags
212 );
213 #endif
214
215 /* used to disable connection reset messages on Windows XP */
216 #ifndef SIO_UDP_CONNRESET
217 #define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12)
218 #endif
219
220 #ifndef IN6_IS_ADDR_ANY
221 #define IN6_IS_ADDR_ANY(a) \
222 (((a)->s6_words[0] == 0) && ((a)->s6_words[1] == 0) && \
223 ((a)->s6_words[2] == 0) && ((a)->s6_words[3] == 0) && \
224 ((a)->s6_words[4] == 0) && ((a)->s6_words[5] == 0) && \
225 ((a)->s6_words[6] == 0) && ((a)->s6_words[7] == 0))
226 #endif
227
228 #ifndef IPV6_V6ONLY
229 #define IPV6_V6ONLY 27 /* Treat wildcard bind as AF_INET6-only. */
230 #endif
231
232 #include "java_io_FileDescriptor.h"
233 #include "java_net_SocketOptions.h"
234
235 #define MAX_BUFFER_LEN 2048
236 #define MAX_HEAP_BUFFER_LEN 65536
237
238
239 /* true if SO_RCVTIMEO is supported by underlying provider */
240 extern jboolean isRcvTimeoutSupported;
241
242 void NET_ThrowCurrent(JNIEnv *env, char *msg);
243
244 /*
245 * Return default Type Of Service
246 */
247 int NET_GetDefaultTOS(void);
248
249 typedef union {
250 struct sockaddr him;
251 struct sockaddr_in him4;
252 struct SOCKADDR_IN6 him6;
253 } SOCKETADDRESS;
254
255 /*
256 * passed to NET_BindV6. Both ipv4_fd and ipv6_fd must be created and unbound
257 * sockets. On return they may refer to different sockets.
258 */
259 struct ipv6bind {
260 SOCKETADDRESS *addr;
261 SOCKET ipv4_fd;
262 SOCKET ipv6_fd;
263 };
264
265 #define SOCKETADDRESS_LEN(X) \
266 (((X)->him.sa_family==AF_INET6)? sizeof(struct SOCKADDR_IN6) : \
267 sizeof(struct sockaddr_in))
268
269 #define SOCKETADDRESS_COPY(DST,SRC) { \
270 if ((SRC)->sa_family == AF_INET6) { \
271 memcpy ((DST), (SRC), sizeof (struct SOCKADDR_IN6)); \
272 } else { \
273 memcpy ((DST), (SRC), sizeof (struct sockaddr_in)); \
274 } \
275 }
276
277 #define SET_PORT(X,Y) { \
278 if ((X)->him.sa_family == AF_INET) { \
279 (X)->him4.sin_port = (Y); \
280 } else { \
281 (X)->him6.sin6_port = (Y); \
282 } \
283 }
284
285 #define GET_PORT(X) ((X)->him.sa_family==AF_INET ?(X)->him4.sin_port: (X)->him6.sin6_port)
286
287 #define IS_LOOPBACK_ADDRESS(x) ( \
288 ((x)->him.sa_family == AF_INET) ? \
289 (ntohl((x)->him4.sin_addr.s_addr)==INADDR_LOOPBACK) : \
290 (IN6ADDR_ISLOOPBACK (x)) \
291 )
292
293 JNIEXPORT int JNICALL NET_SocketClose(int fd);
294
295 JNIEXPORT int JNICALL NET_Timeout(int fd, long timeout);
296
297 int NET_Socket(int domain, int type, int protocol);
298
299 void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
300 const char *defaultDetail);
301
302 void NET_ThrowSocketException(JNIEnv *env, char* msg);
303
304 /*
305 * differs from NET_Timeout() as follows:
306 *
307 * If timeout = -1, it blocks forever.
308 *
309 * returns 1 or 2 depending if only one or both sockets
310 * fire at same time.
311 *
312 * *fdret is (one of) the active fds. If both sockets
313 * fire at same time, *fd == fd always.
314 */
315 JNIEXPORT int JNICALL NET_Timeout2(int fd, int fd1, long timeout, int *fdret);
316
317 JNIEXPORT int JNICALL NET_BindV6(struct ipv6bind* b, jboolean exclBind);
318
319 #define NET_WAIT_READ 0x01
320 #define NET_WAIT_WRITE 0x02
321 #define NET_WAIT_CONNECT 0x04
322
323 extern jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout);
324
325 JNIEXPORT int JNICALL NET_WinBind(int s, struct sockaddr *him, int len,
326 jboolean exclBind);
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);
359