server: Compare MAC tags in constant time.
[tripe] / configure.ac
1 dnl -*-autoconf-*-
2 dnl
3 dnl Configuration script for TrIPE
4 dnl
5 dnl (c) 2001 Straylight/Edgeware
6 dnl
7
8 dnl ----- Licensing notice --------------------------------------------------
9 dnl
10 dnl This file is part of Trivial IP Encryption (TrIPE).
11 dnl
12 dnl TrIPE is free software; you can redistribute it and/or modify
13 dnl it under the terms of the GNU General Public License as published by
14 dnl the Free Software Foundation; either version 2 of the License, or
15 dnl (at your option) any later version.
16 dnl
17 dnl TrIPE is distributed in the hope that it will be useful,
18 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
19 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 dnl GNU General Public License for more details.
21 dnl
22 dnl You should have received a copy of the GNU General Public License
23 dnl along with TrIPE; if not, write to the Free Software Foundation,
24 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25
26 dnl--------------------------------------------------------------------------
27 dnl Initialization.
28
29 mdw_AUTO_VERSION
30 AC_INIT([tripe], AUTO_VERSION, [mdw@distorted.org.uk])
31 AC_CONFIG_SRCDIR([server/tripe.h])
32 AC_CONFIG_AUX_DIR([config])
33 AM_INIT_AUTOMAKE([foreign])
34 mdw_SILENT_RULES
35
36 AC_PROG_CC
37 AM_PROG_CC_C_O
38 AX_CFLAGS_WARN_ALL
39 AC_CANONICAL_HOST
40 AM_PROG_LIBTOOL
41
42 AC_CHECK_PROGS([AUTOM4TE], [autom4te])
43
44 mdw_ORIG_CFLAGS=$CFLAGS
45 mdw_ORIG_CPPFLAGS=$CPPFLAGS
46 AC_SUBST(AM_CFLAGS)
47 AC_SUBST(AM_CPPFLAGS)
48
49 dnl--------------------------------------------------------------------------
50 dnl C programming environment.
51
52 AC_CHECK_HEADERS([stdarg.h])
53
54 AC_SEARCH_LIBS([socket], [socket])
55
56 case "$host_os" in
57 linux)
58 AC_ARG_WITH([linux-includes],
59 AS_HELP_STRING(
60 [--with-linux-includes=DIR],
61 [Linux kernel includes]),
62 [AM_CPPFLAGS="AM_CPPFLAGS -I$withval"], [:])
63 ;;
64 esac
65
66 PKG_CHECK_MODULES([mLib], [mLib >= 2.1.0])
67 PKG_CHECK_MODULES([catacomb], [catacomb >= 2.1.4])
68
69 AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS $catacomb_CFLAGS"
70
71 dnl--------------------------------------------------------------------------
72 dnl Directories to install things into.
73
74 dnl TRIPE_DEFINE_PATH(VAR, ARG, HELP, DEFAULT, [DEFINE, DEFINEHELP])
75 AC_DEFUN([TRIPE_DEFINE_PATH], [
76 AC_ARG_WITH([$1], AS_HELP_STRING([--with-$1=$2], [$3]),
77 [$1=$withval], [$1=$4])
78 AC_SUBST([$1])
79 m4_if([$5], [], [], [
80 mdw_DEFINE_PATHS([mdw_DEFINE_PATH([$5], [$][$1], [$6])])
81 ])
82 ])
83
84 dnl Actual options.
85 TRIPE_DEFINE_PATH(
86 [configdir], [DIR], [keys and other configuration [[LOCALSTATE/tripe]]],
87 ['${localstatedir}/tripe'],
88 [CONFIGDIR], [Look for keys and other configuration here.])
89
90 TRIPE_DEFINE_PATH(
91 [socketdir], [DIR], [admin socket [[.]]], [.],
92 [SOCKETDIR], [Create or look for administration socket here.])
93
94 TRIPE_DEFINE_PATH(
95 [pidfile], [FILE], [process-id [[./tripectl.pid]]], [tripectl.pid])
96
97 TRIPE_DEFINE_PATH(
98 [initconfig], [FILE],
99 [configuration for init script [[SYSCONFDIR/tripe.conf]]],
100 ['${sysconfdir}/tripe.conf'])
101
102 TRIPE_DEFINE_PATH(
103 [logfile], [FILE], [logging output [[./tripe.log]]], [tripe.log])
104
105 dnl--------------------------------------------------------------------------
106 dnl Privilege-separation helper.
107
108 mdw_DEFINE_PATHS([
109 AC_DEFINE_UNQUOTED([PRIVSEP_HELPER],
110 ["mdw_PATH([$libexecdir])/mdw_PROG([tripe-privhelper])"],
111 [Pathname of privilege-separation helper.])
112 ])
113
114 dnl--------------------------------------------------------------------------
115 dnl Other options.
116
117 AC_ARG_WITH([tracing],
118 AS_HELP_STRING(
119 [--without-tracing],
120 [compile out tracing support (not recommended)]),
121 [test "$withval" = no &&
122 AC_DEFINE([NTRACE], [1], [Disable all tracing.])],
123 [:])
124
125 dnl--------------------------------------------------------------------------
126 dnl Tunnel devices.
127
128 dnl Provide the user with a choice.
129 AC_ARG_WITH([tunnel],
130 AS_HELP_STRING(
131 [--with-tunnel=KIND],
132 [kinds of tunnel device to use (linux, unet, bsd, slip)]),
133 [tun=$withval], [tun=auto])
134
135 dnl If he doesn't choose, pick something sensible.
136 if test "$tun" = auto; then
137 AC_CACHE_CHECK([tunnel drivers to use], [mdw_cv_tunnel], [
138 mdw_cv_tunnel=""
139 case $host_os in
140 linux*)
141 case `uname -r` in
142 [2.[4-9].*] | [2.[1-9][0-9]*.*] | [[3-9].*] | [[1-9][0-9]*.*])
143 mdw_cv_tunnel=linux
144 ;;
145 *)
146 mdw_cv_tunnel=unet
147 ;;
148 esac
149 ;;
150 *bsd*)
151 mdw_cv_tunnel=bsd
152 ;;
153 esac
154 mdw_cv_tunnel=$mdw_cv_tunnel${mdw_cv_tunnel:+ }slip
155 ])
156 tun=$mdw_cv_tunnel
157 fi
158
159 tunnels=""
160 for i in $tun; do
161 case $i in
162 linux) AC_DEFINE([TUN_LINUX], [1],
163 [Install the Linux TUN/TAP driver.]) ;;
164 bsd) AC_DEFINE([TUN_BSD], [1],
165 [Install the BSD tunnel driver.]) ;;
166 unet) AC_DEFINE([TUN_UNET], [1],
167 [Install the obsolete Linux Usernet driver.]) ;;
168 slip) ;;
169 *) AC_MSG_ERROR([Unknown tunnel type]) ;;
170 esac
171 tunnels="$tunnels&tun_$i, "
172 done
173 AC_DEFINE_UNQUOTED([TUN_LIST], [$tunnels 0],
174 [List of tunnel drivers to install.])
175
176 dnl--------------------------------------------------------------------------
177 dnl Python.
178
179 dnl Find out whether Python exists at all.
180 AM_PATH_PYTHON([2.4], [python=yes], [python=no])
181 AM_CONDITIONAL([HAVE_PYTHON], [test $python = yes])
182
183 dnl Find out whether we can use Catacomb and GTK.
184 if test $python = yes; then
185 AC_PYTHON_MODULE([pygtk])
186 AC_PYTHON_MODULE([catacomb])
187 fi
188 AM_CONDITIONAL([HAVE_PYGTK], [test ${HAVE_PYMOD_PYGTK-no} = yes])
189 AM_CONDITIONAL([HAVE_PYCATACOMB], [test ${HAVE_PYMOD_CATACOMB-no} = yes])
190
191 dnl--------------------------------------------------------------------------
192 dnl Wireshark.
193 dnl
194 dnl This is all distressingly ugly and complicated. Why they can't just
195 dnl provide a pkg-config dropping containing all the useful information about
196 dnl the installation I don't know.
197
198 WIRESHARK_CFLAGS=""
199 : ${wireshark_plugindir=unknown}
200
201 dnl Get the user to help.
202 AC_ARG_WITH([wireshark],
203 AS_HELP_STRING(
204 [--with-wireshark[=DIR]],
205 [build and install Wireshark plugin]),
206 [case "$withval" in
207 no) haveshark=no needshark=no ;;
208 yes) haveshark=yes needshark=yes ;;
209 *) haveshark=yes needshark=yes
210 wireshark_plugindir=$withval ;;
211 esac],
212 [haveshark=yes needshark=no])
213
214 dnl Try to find the Wireshark installation directory the hard way.
215 case "$haveshark,$wireshark_plugindir" in
216 yes,unknown)
217 AC_CACHE_CHECK([where to put Wireshark plugins],
218 [mdw_cv_wireshark_plugin_dir], [
219 mdw_cv_wireshark_plugin_dir="failed"
220 wsprefix=none
221 for i in "${prefix}" /usr/local /usr `echo $PATH | tr : " "`; do
222 if test -x "$i/bin/tshark"; then
223 wsprefix=$i
224 break
225 fi
226 done
227 if test "$wsprefix" != none; then
228 wsbin=$wsprefix/bin/tshark
229 wsver=`$wsbin -v | sed ['s/^[^ ]* \([0-9A-Za-z.]*\).*$/\1/;q']`
230 dir=$wsprefix/lib/wireshark/plugins
231 test -d "$dir/$wsver" && dir="$dir/$wsver"
232 if test -d "$dir"; then
233 mdw_cv_wireshark_plugin_dir=$dir
234 fi
235 fi
236 ])
237 case $mdw_cv_wireshark_plugin_dir in
238 failed) haveshark=no ;;
239 *) wireshark_plugindir=$mdw_cv_wireshark_plugin_dir ;;
240 esac
241 esac
242
243 dnl If we're still interested, find Glib.
244 case "$haveshark" in
245 yes) AM_PATH_GLIB_2_0([2.4.0], [], [haveshark=false], [gmodule]) ;;
246 esac
247
248 dnl Find the include directory. This would be much easier if they just
249 dnl provided a pkg-config file.
250 case "$haveshark" in
251 yes)
252 bad=yes
253 mdw_CFLAGS=$CFLAGS
254 wsprefix=`echo $wireshark_plugindir | sed 's:/lib/.*$::'`
255 AC_CACHE_CHECK([how to find the Wireshark headers],
256 [mdw_cv_wireshark_includes], [
257 mdw_cv_wireshark_includes=failed
258 for i in \
259 "" \
260 "-I${wsprefix}/include/wireshark" \
261 "-I${wsprefix}/include" \
262 "-I${prefix}/include/wireshark" \
263 "-I${prefix}/include" \
264 "-I/usr/include/wireshark" \
265 "-I/usr/local/include/wireshark" \
266 "-I/usr/local/include"; do
267 CFLAGS="$GLIB_CFLAGS $i"
268 AC_TRY_COMPILE([
269 #include <netinet/in.h>
270 #include <glib.h>
271 #include <wireshark/config.h>
272 #include <wireshark/epan/packet.h>],
273 [dissector_handle_t dh; dh = create_dissector_handle(0, 0);],
274 [bad=no; break])
275 done
276 case "$bad" in
277 no) mdw_cv_wireshark_includes=$i ;;
278 esac
279 CFLAGS=$mdw_CFLAGS
280 ])
281 case "$mdw_cv_wireshark_includes" in
282 failed) haveshark=no ;;
283 esac
284 esac
285
286 case "$haveshark,$needshark" in
287 no,yes)
288 AC_MSG_ERROR([failed to configure Wireshark plugin])
289 ;;
290 yes,*)
291 WIRESHARK_CFLAGS="$GLIB_CFLAGS $mdw_cv_wireshark_includes"
292 AC_SUBST(WIRESHARK_CFLAGS)
293 AC_SUBST(wireshark_plugindir)
294 ;;
295 esac
296
297 AM_CONDITIONAL([HAVE_WIRESHARK], [test "$haveshark" = yes])
298
299 dnl--------------------------------------------------------------------------
300 dnl Produce output.
301
302 CFLAGS=$mdw_ORIG_CFLAGS
303 CPPFLAGS=$mdw_ORIG_CPPFLAGS
304
305 AC_CONFIG_HEADER([config/config.h])
306 AC_CONFIG_TESTDIR([t])
307
308 AC_CONFIG_FILES(
309 [Makefile]
310 [common/Makefile]
311 [uslip/Makefile]
312 [pathmtu/Makefile]
313 [client/Makefile]
314 [priv/Makefile]
315 [server/Makefile]
316 [proxy/Makefile]
317 [pkstream/Makefile]
318 [wireshark/Makefile]
319 [init/Makefile]
320 [py/Makefile]
321 [peerdb/Makefile]
322 [keys/Makefile]
323 [svc/Makefile]
324 [mon/Makefile]
325 [contrib/Makefile]
326 [t/Makefile t/atlocal])
327 AC_OUTPUT
328
329 dnl ----- That's all, folks -------------------------------------------------