1 #ifndef _system_network_h
2 #define _system_network_h
3 /*
4    Unix SMB/CIFS implementation.
5 
6    networking system include wrappers
7 
8    Copyright (C) Andrew Tridgell 2004
9    Copyright (C) Jelmer Vernooij 2007
10 
11      ** NOTE! The following LGPL license applies to the replace
12      ** library. This does NOT imply that all of Samba is released
13      ** under the LGPL
14 
15    This library is free software; you can redistribute it and/or
16    modify it under the terms of the GNU Lesser General Public
17    License as published by the Free Software Foundation; either
18    version 3 of the License, or (at your option) any later version.
19 
20    This library is distributed in the hope that it will be useful,
21    but WITHOUT ANY WARRANTY; without even the implied warranty of
22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23    Lesser General Public License for more details.
24 
25    You should have received a copy of the GNU Lesser General Public
26    License along with this library; if not, see <http://www.gnu.org/licenses/>.
27 
28 */
29 
30 #ifndef LIBREPLACE_NETWORK_CHECKS
31 #error "AC_LIBREPLACE_NETWORK_CHECKS missing in configure"
32 #endif
33 
34 #ifdef HAVE_UNISTD_H
35 #include <unistd.h>
36 #endif
37 
38 #ifdef HAVE_SYS_SOCKET_H
39 #include <sys/socket.h>
40 #endif
41 
42 #ifdef HAVE_UNIXSOCKET
43 #include <sys/un.h>
44 #endif
45 
46 #ifdef HAVE_NETINET_IN_H
47 #include <netinet/in.h>
48 #endif
49 #ifdef HAVE_ARPA_INET_H
50 #include <arpa/inet.h>
51 #endif
52 
53 #ifdef HAVE_NETDB_H
54 #include <netdb.h>
55 #endif
56 
57 #ifdef HAVE_NETINET_TCP_H
58 #include <netinet/tcp.h>
59 #endif
60 
61 /*
62  * The next three defines are needed to access the IPTOS_* options
63  * on some systems.
64  */
65 
66 #ifdef HAVE_NETINET_IN_SYSTM_H
67 #include <netinet/in_systm.h>
68 #endif
69 
70 #ifdef HAVE_NETINET_IN_IP_H
71 #include <netinet/in_ip.h>
72 #endif
73 
74 #ifdef HAVE_NETINET_IP_H
75 #include <netinet/ip.h>
76 #endif
77 
78 #ifdef HAVE_NET_IF_H
79 #include <net/if.h>
80 #endif
81 
82 #ifdef HAVE_SYS_IOCTL_H
83 #include <sys/ioctl.h>
84 #endif
85 
86 #ifdef HAVE_SYS_UIO_H
87 #include <sys/uio.h>
88 #endif
89 
90 #ifdef HAVE_STROPTS_H
91 #include <stropts.h>
92 #endif
93 
94 #ifndef HAVE_SOCKLEN_T
95 #define HAVE_SOCKLEN_T
96 typedef int socklen_t;
97 #endif
98 
99 #if !defined (HAVE_INET_NTOA) || defined(REPLACE_INET_NTOA)
100 /* define is in "replace.h" */
101 char *rep_inet_ntoa(struct in_addr ip);
102 #endif
103 
104 #ifndef HAVE_INET_PTON
105 /* define is in "replace.h" */
106 int rep_inet_pton(int af, const char *src, void *dst);
107 #endif
108 
109 #ifndef HAVE_INET_NTOP
110 /* define is in "replace.h" */
111 const char *rep_inet_ntop(int af, const void *src, char *dst, socklen_t size);
112 #endif
113 
114 #ifndef HAVE_INET_ATON
115 /* define is in "replace.h" */
116 int rep_inet_aton(const char *src, struct in_addr *dst);
117 #endif
118 
119 #ifndef HAVE_CONNECT
120 /* define is in "replace.h" */
121 int rep_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
122 #endif
123 
124 #ifndef HAVE_GETHOSTBYNAME
125 /* define is in "replace.h" */
126 struct hostent *rep_gethostbyname(const char *name);
127 #endif
128 
129 #ifdef HAVE_IFADDRS_H
130 #include <ifaddrs.h>
131 #endif
132 
133 #ifndef HAVE_STRUCT_IFADDRS
134 struct ifaddrs {
135 	struct ifaddrs   *ifa_next;         /* Pointer to next struct */
136 	char             *ifa_name;         /* Interface name */
137 	unsigned int     ifa_flags;         /* Interface flags */
138 	struct sockaddr  *ifa_addr;         /* Interface address */
139 	struct sockaddr  *ifa_netmask;      /* Interface netmask */
140 #undef ifa_dstaddr
141 	struct sockaddr  *ifa_dstaddr;      /* P2P interface destination */
142 	void             *ifa_data;         /* Address specific data */
143 };
144 #endif
145 
146 #ifndef HAVE_GETIFADDRS
147 int rep_getifaddrs(struct ifaddrs **);
148 #endif
149 
150 #ifndef HAVE_FREEIFADDRS
151 void rep_freeifaddrs(struct ifaddrs *);
152 #endif
153 
154 #ifndef HAVE_SOCKETPAIR
155 /* define is in "replace.h" */
156 int rep_socketpair(int d, int type, int protocol, int sv[2]);
157 #endif
158 
159 /*
160  * Some systems have getaddrinfo but not the
161  * defines needed to use it.
162  */
163 
164 /* Various macros that ought to be in <netdb.h>, but might not be */
165 
166 #ifndef EAI_FAIL
167 #define EAI_BADFLAGS	(-1)
168 #define EAI_NONAME	(-2)
169 #define EAI_AGAIN	(-3)
170 #define EAI_FAIL	(-4)
171 #define EAI_FAMILY	(-6)
172 #define EAI_SOCKTYPE	(-7)
173 #define EAI_SERVICE	(-8)
174 #define EAI_MEMORY	(-10)
175 #define EAI_SYSTEM	(-11)
176 #endif   /* !EAI_FAIL */
177 
178 #ifndef AI_PASSIVE
179 #define AI_PASSIVE	0x0001
180 #endif
181 
182 #ifndef AI_CANONNAME
183 #define AI_CANONNAME	0x0002
184 #endif
185 
186 #ifndef AI_NUMERICHOST
187 /*
188  * some platforms don't support AI_NUMERICHOST; define as zero if using
189  * the system version of getaddrinfo...
190  */
191 #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
192 #define AI_NUMERICHOST	0
193 #else
194 #define AI_NUMERICHOST	0x0004
195 #endif
196 #endif
197 
198 /*
199  * Some of the functions in source3/lib/util_sock.c use AI_ADDRCONFIG. On QNX
200  * 6.3.0, this macro is defined but, if it's used, getaddrinfo will fail. This
201  * prevents smbd from opening any sockets.
202  *
203  * If I undefine AI_ADDRCONFIG on such systems and define it to be 0,
204  * this works around the issue.
205  */
206 #ifdef __QNX__
207 #include <sys/neutrino.h>
208 #if _NTO_VERSION == 630
209 #undef AI_ADDRCONFIG
210 #endif
211 #endif
212 #ifndef AI_ADDRCONFIG
213 /*
214  * logic copied from AI_NUMERICHOST
215  */
216 #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
217 #define AI_ADDRCONFIG	0
218 #else
219 #define AI_ADDRCONFIG	0x0020
220 #endif
221 #endif
222 
223 #ifndef AI_NUMERICSERV
224 /*
225  * logic copied from AI_NUMERICHOST
226  */
227 #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
228 #define AI_NUMERICSERV	0
229 #else
230 #define AI_NUMERICSERV	0x0400
231 #endif
232 #endif
233 
234 #ifndef NI_NUMERICHOST
235 #define NI_NUMERICHOST	1
236 #endif
237 
238 #ifndef NI_NUMERICSERV
239 #define NI_NUMERICSERV	2
240 #endif
241 
242 #ifndef NI_NOFQDN
243 #define NI_NOFQDN	4
244 #endif
245 
246 #ifndef NI_NAMEREQD
247 #define NI_NAMEREQD 	8
248 #endif
249 
250 #ifndef NI_DGRAM
251 #define NI_DGRAM	16
252 #endif
253 
254 
255 #ifndef NI_MAXHOST
256 #define NI_MAXHOST	1025
257 #endif
258 
259 #ifndef NI_MAXSERV
260 #define NI_MAXSERV	32
261 #endif
262 
263 /*
264  * glibc on linux doesn't seem to have MSG_WAITALL
265  * defined. I think the kernel has it though..
266  */
267 #ifndef MSG_WAITALL
268 #define MSG_WAITALL 0
269 #endif
270 
271 #ifndef INADDR_LOOPBACK
272 #define INADDR_LOOPBACK 0x7f000001
273 #endif
274 
275 #ifndef INADDR_NONE
276 #define INADDR_NONE 0xffffffff
277 #endif
278 
279 #ifndef EAFNOSUPPORT
280 #define EAFNOSUPPORT EINVAL
281 #endif
282 
283 #ifndef INET_ADDRSTRLEN
284 #define INET_ADDRSTRLEN 16
285 #endif
286 
287 #ifndef INET6_ADDRSTRLEN
288 #define INET6_ADDRSTRLEN 46
289 #endif
290 
291 #ifndef HOST_NAME_MAX
292 #define HOST_NAME_MAX 255
293 #endif
294 
295 #ifndef MAXHOSTNAMELEN
296 #define MAXHOSTNAMELEN HOST_NAME_MAX
297 #endif
298 
299 #ifndef HAVE_SA_FAMILY_T
300 #define HAVE_SA_FAMILY_T
301 typedef unsigned short int sa_family_t;
302 #endif
303 
304 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
305 #define HAVE_STRUCT_SOCKADDR_STORAGE
306 #ifdef HAVE_STRUCT_SOCKADDR_IN6
307 #define sockaddr_storage sockaddr_in6
308 #define ss_family sin6_family
309 #define HAVE_SS_FAMILY 1
310 #else /*HAVE_STRUCT_SOCKADDR_IN6*/
311 #define sockaddr_storage sockaddr_in
312 #define ss_family sin_family
313 #define HAVE_SS_FAMILY 1
314 #endif /*HAVE_STRUCT_SOCKADDR_IN6*/
315 #endif /*HAVE_STRUCT_SOCKADDR_STORAGE*/
316 
317 #ifndef HAVE_SS_FAMILY
318 #ifdef HAVE___SS_FAMILY
319 #define ss_family __ss_family
320 #define HAVE_SS_FAMILY 1
321 #endif
322 #endif
323 
324 #ifndef IOV_MAX
325 # ifdef UIO_MAXIOV
326 #  define IOV_MAX UIO_MAXIOV
327 # else
328 #  ifdef __sgi
329     /*
330      * IRIX 6.5 has sysconf(_SC_IOV_MAX)
331      * which might return 512 or bigger
332      */
333 #   define IOV_MAX 512
334 #  endif
335 # endif
336 #endif
337 
338 #ifndef HAVE_STRUCT_ADDRINFO
339 #define HAVE_STRUCT_ADDRINFO
340 struct addrinfo {
341 	int			ai_flags;
342 	int			ai_family;
343 	int			ai_socktype;
344 	int			ai_protocol;
345 	socklen_t		ai_addrlen;
346 	struct sockaddr 	*ai_addr;
347 	char			*ai_canonname;
348 	struct addrinfo		*ai_next;
349 };
350 #endif   /* HAVE_STRUCT_ADDRINFO */
351 
352 #if !defined(HAVE_GETADDRINFO)
353 #include "getaddrinfo.h"
354 #endif
355 
356 /* Needed for some systems that don't define it (Solaris). */
357 #ifndef ifr_netmask
358 #define ifr_netmask ifr_addr
359 #endif
360 
361 /* Some old Linux systems have broken header files */
362 #ifdef HAVE_IPV6
363 #ifdef HAVE_LINUX_IPV6_V6ONLY_26
364 #define IPV6_V6ONLY 26
365 #endif /* HAVE_LINUX_IPV6_V6ONLY_26 */
366 #endif /* HAVE_IPV6 */
367 
368 #ifndef SCOPE_DELIMITER
369 #define SCOPE_DELIMITER '%'
370 #endif
371 
372 #endif
373