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1 AC_DEFUN_ONCE(AC_LIBREPLACE_NETWORK_CHECKS, | |
2 [ | |
3 echo "LIBREPLACE_NETWORK_CHECKS: START" | |
4 | |
5 AC_DEFINE(LIBREPLACE_NETWORK_CHECKS, 1, [LIBREPLACE_NETWORK_CHECKS were used]) | |
6 LIBREPLACE_NETWORK_OBJS="" | |
7 LIBREPLACE_NETWORK_LIBS="" | |
8 | |
9 AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h) | |
10 AC_CHECK_HEADERS(netinet/in_systm.h) | |
11 AC_CHECK_HEADERS([netinet/ip.h], [], [],[ | |
12 #include <sys/types.h> | |
13 #ifdef HAVE_NETINET_IN_H | |
14 #include <netinet/in.h> | |
15 #endif | |
16 #ifdef HAVE_NETINET_IN_SYSTM_H | |
17 #include <netinet/in_systm.h> | |
18 #endif | |
19 ]) | |
20 AC_CHECK_HEADERS(netinet/tcp.h netinet/in_ip.h) | |
21 AC_CHECK_HEADERS(sys/sockio.h sys/un.h) | |
22 AC_CHECK_HEADERS(sys/uio.h) | |
23 | |
24 dnl we need to check that net/if.h really can be used, to cope with hpux | |
25 dnl where including it always fails | |
26 AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[ | |
27 AC_COMPILE_IFELSE([AC_LANG_SOURCE([ | |
28 AC_INCLUDES_DEFAULT | |
29 #if HAVE_SYS_SOCKET_H | |
30 # include <sys/socket.h> | |
31 #endif | |
32 #include <net/if.h> | |
33 int main(void) {return 0;}])], | |
34 [libreplace_cv_USABLE_NET_IF_H=yes], | |
35 [libreplace_cv_USABLE_NET_IF_H=no] | |
36 ) | |
37 ]) | |
38 if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then | |
39 AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h) | |
40 fi | |
41 | |
42 AC_HAVE_TYPE([socklen_t],[#include <sys/socket.h>]) | |
43 AC_HAVE_TYPE([sa_family_t],[#include <sys/socket.h>]) | |
44 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>]) | |
45 AC_HAVE_TYPE([struct sockaddr], [#include <sys/socket.h>]) | |
46 AC_HAVE_TYPE([struct sockaddr_storage], [ | |
47 #include <sys/socket.h> | |
48 #include <sys/types.h> | |
49 #include <netinet/in.h> | |
50 ]) | |
51 AC_HAVE_TYPE([struct sockaddr_in6], [ | |
52 #include <sys/socket.h> | |
53 #include <sys/types.h> | |
54 #include <netinet/in.h> | |
55 ]) | |
56 | |
57 if test x"$ac_cv_type_struct_sockaddr_storage" = x"yes"; then | |
58 AC_CHECK_MEMBER(struct sockaddr_storage.ss_family, | |
59 AC_DEFINE(HAVE_SS_FAMILY, 1, [Defined if struct sockaddr_storage
has ss_family field]),, | |
60 [ | |
61 #include <sys/socket.h> | |
62 #include <sys/types.h> | |
63 #include <netinet/in.h> | |
64 ]) | |
65 | |
66 if test x"$ac_cv_member_struct_sockaddr_storage_ss_family" != x"yes"; then | |
67 AC_CHECK_MEMBER(struct sockaddr_storage.__ss_family, | |
68 AC_DEFINE(HAVE___SS_FAMILY, 1, [Defined if struct sockaddr_stora
ge has __ss_family field]),, | |
69 [ | |
70 #include <sys/socket.h> | |
71 #include <sys/types.h> | |
72 #include <netinet/in.h> | |
73 ]) | |
74 fi | |
75 fi | |
76 | |
77 AC_CACHE_CHECK([for sin_len in sock],libreplace_cv_HAVE_SOCK_SIN_LEN,[ | |
78 AC_TRY_COMPILE( | |
79 [ | |
80 #include <sys/types.h> | |
81 #include <sys/socket.h> | |
82 #include <netinet/in.h> | |
83 ],[ | |
84 struct sockaddr_in sock; sock.sin_len = sizeof(sock); | |
85 ],[ | |
86 libreplace_cv_HAVE_SOCK_SIN_LEN=yes | |
87 ],[ | |
88 libreplace_cv_HAVE_SOCK_SIN_LEN=no | |
89 ]) | |
90 ]) | |
91 if test x"$libreplace_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then | |
92 AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_
len property]) | |
93 fi | |
94 | |
95 ############################################ | |
96 # check for unix domain sockets | |
97 AC_CACHE_CHECK([for unix domain sockets],libreplace_cv_HAVE_UNIXSOCKET,[ | |
98 AC_TRY_COMPILE([ | |
99 #include <sys/types.h> | |
100 #include <stdlib.h> | |
101 #include <stddef.h> | |
102 #include <sys/socket.h> | |
103 #include <sys/un.h> | |
104 ],[ | |
105 struct sockaddr_un sunaddr; | |
106 sunaddr.sun_family = AF_UNIX; | |
107 ],[ | |
108 libreplace_cv_HAVE_UNIXSOCKET=yes | |
109 ],[ | |
110 libreplace_cv_HAVE_UNIXSOCKET=no | |
111 ]) | |
112 ]) | |
113 if test x"$libreplace_cv_HAVE_UNIXSOCKET" = x"yes"; then | |
114 AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixscoket support
]) | |
115 fi | |
116 | |
117 dnl The following test is roughl taken from the cvs sources. | |
118 dnl | |
119 dnl If we can't find connect, try looking in -lsocket, -lnsl, and -linet. | |
120 dnl The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has | |
121 dnl libsocket.so which has a bad implementation of gethostbyname (it | |
122 dnl only looks in /etc/hosts), so we only look for -lsocket if we need | |
123 dnl it. | |
124 AC_CHECK_FUNCS(connect) | |
125 if test x"$ac_cv_func_connect" = x"no"; then | |
126 AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, connect) | |
127 AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, connect) | |
128 AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, connect) | |
129 AC_CHECK_LIB_EXT(inet, LIBREPLACE_NETWORK_LIBS, connect) | |
130 dnl We can't just call AC_CHECK_FUNCS(connect) here, | |
131 dnl because the value has been cached. | |
132 if test x"$ac_cv_lib_ext_nsl_s_connect" = x"yes" || | |
133 test x"$ac_cv_lib_ext_nsl_connect" = x"yes" || | |
134 test x"$ac_cv_lib_ext_socket_connect" = x"yes" || | |
135 test x"$ac_cv_lib_ext_inet_connect" = x"yes" | |
136 then | |
137 AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()]) | |
138 fi | |
139 fi | |
140 | |
141 AC_CHECK_FUNCS(gethostbyname) | |
142 if test x"$ac_cv_func_gethostbyname" = x"no"; then | |
143 AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, gethostbyname) | |
144 AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, gethostbyname) | |
145 AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, gethostbyname) | |
146 dnl We can't just call AC_CHECK_FUNCS(gethostbyname) here, | |
147 dnl because the value has been cached. | |
148 if test x"$ac_cv_lib_ext_nsl_s_gethostbyname" = x"yes" || | |
149 test x"$ac_cv_lib_ext_nsl_gethostbyname" = x"yes" || | |
150 test x"$ac_cv_lib_ext_socket_gethostbyname" = x"yes" | |
151 then | |
152 AC_DEFINE(HAVE_GETHOSTBYNAME,1, | |
153 [Whether the system has gethostbyname()]) | |
154 fi | |
155 fi | |
156 | |
157 dnl HP-UX has if_nametoindex in -lipv6 | |
158 AC_CHECK_FUNCS(if_nametoindex) | |
159 if test x"$ac_cv_func_if_nametoindex" = x"no"; then | |
160 AC_CHECK_LIB_EXT(ipv6, LIBREPLACE_NETWORK_LIBS, if_nametoindex) | |
161 dnl We can't just call AC_CHECK_FUNCS(if_nametoindex) here, | |
162 dnl because the value has been cached. | |
163 if test x"$ac_cv_lib_ext_ipv6_if_nametoindex" = x"yes" | |
164 then | |
165 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, | |
166 [Whether the system has if_nametoindex()]) | |
167 fi | |
168 fi | |
169 | |
170 # The following tests need LIBS="${LIBREPLACE_NETWORK_LIBS}" | |
171 old_LIBS=$LIBS | |
172 LIBS="${LIBREPLACE_NETWORK_LIBS}" | |
173 libreplace_SAVE_CPPFLAGS="$CPPFLAGS" | |
174 CPPFLAGS="$CPPFLAGS -I$libreplacedir" | |
175 | |
176 AC_CHECK_FUNCS(socketpair,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS
} $libreplacedir/socketpair.o"]) | |
177 | |
178 AC_CACHE_CHECK([for broken inet_ntoa],libreplace_cv_REPLACE_INET_NTOA,[ | |
179 AC_TRY_RUN([ | |
180 #include <stdio.h> | |
181 #include <unistd.h> | |
182 #include <sys/types.h> | |
183 #include <netinet/in.h> | |
184 #ifdef HAVE_ARPA_INET_H | |
185 #include <arpa/inet.h> | |
186 #endif | |
187 main() { struct in_addr ip; ip.s_addr = 0x12345678; | |
188 if (strcmp(inet_ntoa(ip),"18.52.86.120") && | |
189 strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); } | |
190 exit(1);}], | |
191 libreplace_cv_REPLACE_INET_NTOA=yes,libreplace_cv_REPLACE_INET_NTOA=n
o,libreplace_cv_REPLACE_INET_NTOA=cross)]) | |
192 | |
193 AC_CHECK_FUNCS(inet_ntoa,[],[libreplace_cv_REPLACE_INET_NTOA=yes]) | |
194 if test x"$libreplace_cv_REPLACE_INET_NTOA" = x"yes"; then | |
195 AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced]) | |
196 LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/inet_ntoa
.o" | |
197 fi | |
198 | |
199 AC_CHECK_FUNCS(inet_aton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS}
$libreplacedir/inet_aton.o"]) | |
200 | |
201 AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS}
$libreplacedir/inet_ntop.o"]) | |
202 | |
203 AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS}
$libreplacedir/inet_pton.o"]) | |
204 | |
205 dnl test for getaddrinfo/getnameinfo | |
206 AC_CACHE_CHECK([for getaddrinfo],libreplace_cv_HAVE_GETADDRINFO,[ | |
207 AC_TRY_LINK([ | |
208 #include <sys/types.h> | |
209 #if STDC_HEADERS | |
210 #include <stdlib.h> | |
211 #include <stddef.h> | |
212 #endif | |
213 #include <sys/socket.h> | |
214 #include <netdb.h>], | |
215 [ | |
216 struct sockaddr sa; | |
217 struct addrinfo *ai = NULL; | |
218 int ret = getaddrinfo(NULL, NULL, NULL, &ai); | |
219 if (ret != 0) { | |
220 const char *es = gai_strerror(ret); | |
221 } | |
222 freeaddrinfo(ai); | |
223 ret = getnameinfo(&sa, sizeof(sa), | |
224 NULL, 0, | |
225 NULL, 0, 0); | |
226 | |
227 ], | |
228 libreplace_cv_HAVE_GETADDRINFO=yes,libreplace_cv_HAVE_GETADDRINFO=no)]) | |
229 if test x"$libreplace_cv_HAVE_GETADDRINFO" = x"yes"; then | |
230 AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo]) | |
231 AC_DEFINE(HAVE_GETNAMEINFO,1,[Whether the system has getnameinfo]) | |
232 AC_DEFINE(HAVE_FREEADDRINFO,1,[Whether the system has freeaddrinfo]) | |
233 AC_DEFINE(HAVE_GAI_STRERROR,1,[Whether the system has gai_strerror]) | |
234 else | |
235 LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/getad
drinfo.o" | |
236 fi | |
237 | |
238 AC_CHECK_HEADERS([ifaddrs.h]) | |
239 | |
240 dnl Used when getifaddrs is not available | |
241 AC_CHECK_MEMBERS([struct sockaddr.sa_len], | |
242 [AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_l
en member])], | |
243 [], | |
244 [#include <sys/socket.h>]) | |
245 | |
246 dnl test for getifaddrs and freeifaddrs | |
247 AC_CACHE_CHECK([for getifaddrs and freeifaddrs],libreplace_cv_HAVE_GETIFADDRS,[ | |
248 AC_TRY_LINK([ | |
249 #include <sys/types.h> | |
250 #if STDC_HEADERS | |
251 #include <stdlib.h> | |
252 #include <stddef.h> | |
253 #endif | |
254 #include <sys/socket.h> | |
255 #include <netinet/in.h> | |
256 #include <arpa/inet.h> | |
257 #include <ifaddrs.h> | |
258 #include <netdb.h>], | |
259 [ | |
260 struct ifaddrs *ifp = NULL; | |
261 int ret = getifaddrs (&ifp); | |
262 freeifaddrs(ifp); | |
263 ], | |
264 libreplace_cv_HAVE_GETIFADDRS=yes,libreplace_cv_HAVE_GETIFADDRS=no)]) | |
265 if test x"$libreplace_cv_HAVE_GETIFADDRS" = x"yes"; then | |
266 AC_DEFINE(HAVE_GETIFADDRS,1,[Whether the system has getifaddrs]) | |
267 AC_DEFINE(HAVE_FREEIFADDRS,1,[Whether the system has freeifaddrs]) | |
268 AC_DEFINE(HAVE_STRUCT_IFADDRS,1,[Whether struct ifaddrs is available]) | |
269 fi | |
270 | |
271 ################## | |
272 # look for a method of finding the list of network interfaces | |
273 iface=no; | |
274 AC_CACHE_CHECK([for iface getifaddrs],libreplace_cv_HAVE_IFACE_GETIFADDRS,[ | |
275 AC_TRY_RUN([ | |
276 #define HAVE_IFACE_GETIFADDRS 1 | |
277 #define NO_CONFIG_H 1 | |
278 #define AUTOCONF_TEST 1 | |
279 #define SOCKET_WRAPPER_NOT_REPLACE | |
280 #include "$libreplacedir/replace.c" | |
281 #include "$libreplacedir/inet_ntop.c" | |
282 #include "$libreplacedir/snprintf.c" | |
283 #include "$libreplacedir/getifaddrs.c" | |
284 #define getifaddrs_test main | |
285 #include "$libreplacedir/test/getifaddrs.c"], | |
286 libreplace_cv_HAVE_IFACE_GETIFADDRS=yes,libreplace_cv_HAVE_IFACE_GETI
FADDRS=no,libreplace_cv_HAVE_IFACE_GETIFADDRS=cross)]) | |
287 if test x"$libreplace_cv_HAVE_IFACE_GETIFADDRS" = x"yes"; then | |
288 iface=yes;AC_DEFINE(HAVE_IFACE_GETIFADDRS,1,[Whether iface getifaddrs is ava
ilable]) | |
289 else | |
290 LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/getif
addrs.o" | |
291 fi | |
292 | |
293 | |
294 if test $iface = no; then | |
295 AC_CACHE_CHECK([for iface AIX],libreplace_cv_HAVE_IFACE_AIX,[ | |
296 AC_TRY_RUN([ | |
297 #define HAVE_IFACE_AIX 1 | |
298 #define NO_CONFIG_H 1 | |
299 #define AUTOCONF_TEST 1 | |
300 #undef _XOPEN_SOURCE_EXTENDED | |
301 #define SOCKET_WRAPPER_NOT_REPLACE | |
302 #include "$libreplacedir/replace.c" | |
303 #include "$libreplacedir/inet_ntop.c" | |
304 #include "$libreplacedir/snprintf.c" | |
305 #include "$libreplacedir/getifaddrs.c" | |
306 #define getifaddrs_test main | |
307 #include "$libreplacedir/test/getifaddrs.c"], | |
308 libreplace_cv_HAVE_IFACE_AIX=yes,libreplace_cv_HAVE_IFACE_AIX=no,libr
eplace_cv_HAVE_IFACE_AIX=cross)]) | |
309 if test x"$libreplace_cv_HAVE_IFACE_AIX" = x"yes"; then | |
310 iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available]) | |
311 fi | |
312 fi | |
313 | |
314 | |
315 if test $iface = no; then | |
316 AC_CACHE_CHECK([for iface ifconf],libreplace_cv_HAVE_IFACE_IFCONF,[ | |
317 AC_TRY_RUN([ | |
318 #define HAVE_IFACE_IFCONF 1 | |
319 #define NO_CONFIG_H 1 | |
320 #define AUTOCONF_TEST 1 | |
321 #define SOCKET_WRAPPER_NOT_REPLACE | |
322 #include "$libreplacedir/replace.c" | |
323 #include "$libreplacedir/inet_ntop.c" | |
324 #include "$libreplacedir/snprintf.c" | |
325 #include "$libreplacedir/getifaddrs.c" | |
326 #define getifaddrs_test main | |
327 #include "$libreplacedir/test/getifaddrs.c"], | |
328 libreplace_cv_HAVE_IFACE_IFCONF=yes,libreplace_cv_HAVE_IFACE_IFCONF=n
o,libreplace_cv_HAVE_IFACE_IFCONF=cross)]) | |
329 if test x"$libreplace_cv_HAVE_IFACE_IFCONF" = x"yes"; then | |
330 iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available]) | |
331 fi | |
332 fi | |
333 | |
334 if test $iface = no; then | |
335 AC_CACHE_CHECK([for iface ifreq],libreplace_cv_HAVE_IFACE_IFREQ,[ | |
336 AC_TRY_RUN([ | |
337 #define HAVE_IFACE_IFREQ 1 | |
338 #define NO_CONFIG_H 1 | |
339 #define AUTOCONF_TEST 1 | |
340 #define SOCKET_WRAPPER_NOT_REPLACE | |
341 #include "$libreplacedir/replace.c" | |
342 #include "$libreplacedir/inet_ntop.c" | |
343 #include "$libreplacedir/snprintf.c" | |
344 #include "$libreplacedir/getifaddrs.c" | |
345 #define getifaddrs_test main | |
346 #include "$libreplacedir/test/getifaddrs.c"], | |
347 libreplace_cv_HAVE_IFACE_IFREQ=yes,libreplace_cv_HAVE_IFACE_IFREQ=no,
libreplace_cv_HAVE_IFACE_IFREQ=cross)]) | |
348 if test x"$libreplace_cv_HAVE_IFACE_IFREQ" = x"yes"; then | |
349 iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available]) | |
350 fi | |
351 fi | |
352 | |
353 dnl test for ipv6 | |
354 AC_CACHE_CHECK([for ipv6 support],libreplace_cv_HAVE_IPV6,[ | |
355 AC_TRY_LINK([ | |
356 #include <stdlib.h> /* for NULL */ | |
357 #include <sys/socket.h> | |
358 #include <sys/types.h> | |
359 #include <netdb.h> | |
360 #include <netinet/in.h> | |
361 ], | |
362 [ | |
363 struct sockaddr_storage sa_store; | |
364 struct addrinfo *ai = NULL; | |
365 struct in6_addr in6addr; | |
366 int idx = if_nametoindex("iface1"); | |
367 int s = socket(AF_INET6, SOCK_STREAM, 0); | |
368 int ret = getaddrinfo(NULL, NULL, NULL, &ai); | |
369 if (ret != 0) { | |
370 const char *es = gai_strerror(ret); | |
371 } | |
372 freeaddrinfo(ai); | |
373 ],[ | |
374 libreplace_cv_HAVE_IPV6=yes | |
375 ],[ | |
376 libreplace_cv_HAVE_IPV6=no | |
377 ]) | |
378 ]) | |
379 if test x"$libreplace_cv_HAVE_IPV6" = x"yes"; then | |
380 AC_DEFINE(HAVE_IPV6,1,[Whether the system has IPv6 support]) | |
381 fi | |
382 | |
383 LIBS=$old_LIBS | |
384 CPPFLAGS="$libreplace_SAVE_CPPFLAGS" | |
385 | |
386 LIBREPLACEOBJ="${LIBREPLACEOBJ} ${LIBREPLACE_NETWORK_OBJS}" | |
387 | |
388 echo "LIBREPLACE_NETWORK_CHECKS: END" | |
389 ]) dnl end AC_LIBREPLACE_NETWORK_CHECKS | |
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