-
Notifications
You must be signed in to change notification settings - Fork 59
/
configure.ac
308 lines (280 loc) · 11.4 KB
/
configure.ac
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
dnl Process this file with autoconf to produce a configure script.
AC_INIT([ike-scan],[1.9.6],[https://github.com/royhills/ike-scan])
AC_PREREQ(2.61)
AC_REVISION($Revision$)
AC_CONFIG_SRCDIR([ike-scan.c])
AM_INIT_AUTOMAKE
AC_CONFIG_HEADERS([config.h])
dnl Define the appropriate compiler flags if the user has enabled gcov
dnl code coverage. We do this before calling AC_PROG_CC because we override
dnl the default compiler options when running with gcov.
AC_MSG_CHECKING([if gcov code coverage is enabled])
AC_ARG_ENABLE(gcov,
AS_HELP_STRING([--enable-gcov],[enable gcov code coverage analysis]),
[
if test "x$enableval" != "xno" ; then
AC_MSG_RESULT(yes)
CFLAGS="-O0 -g -fno-inline -fprofile-arcs -ftest-coverage"
else
AC_MSG_RESULT(no)
fi
],
[
AC_MSG_RESULT(no)
] )
dnl Check for programs.
AC_PROG_CC
if test -n "$GCC"; then
AC_DEFINE([ATTRIBUTE_UNUSED], [__attribute__ ((__unused__))],
[Define to the compiler's unused pragma])
CFLAGS="$CFLAGS -Wall -Wshadow -Wwrite-strings"
GCC_WEXTRA
GCC_STACK_PROTECT_CC
GCC_FORMAT_SECURITY
GCC_FORTIFY_SOURCE
dnl Uncomment the lines below for testing with stricter warnings.
dnl CFLAGS="$CFLAGS -pedantic -Wpointer-arith -Wcast-qual -Wcast-align -Wconversion -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline "
dnl Uncomment the line below to check malloc/free with electric fence
dnl LIBS="-lefence $LIBS"
else
AC_DEFINE([ATTRIBUTE_UNUSED], [],
[Define to the compiler's unused pragma])
fi
AC_PROG_INSTALL
AC_PROG_LN_S
dnl Check endian-ness. MD5 and SHA1 hash functions need to know this.
AC_C_BIGENDIAN
dnl Check for inline support. This is used in psk-crack.c
AC_C_INLINE
dnl Check for libraries.
dnl Solaris 8 needs nsl and socket. Linux and {Free,Open}BSD do not.
dnl We should only include these libraries if they are actually needed.
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([socket], [socket])
dnl Checks for header files.
AC_CHECK_HEADERS([inttypes.h stdint.h arpa/inet.h netdb.h netinet/in.h netinet/tcp.h sys/socket.h sys/time.h unistd.h getopt.h signal.h sys/stat.h fcntl.h])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
dnl Check for the uint{8,16,32}_t types and, if we don't have them, define
dnl them using types which will work on most systems.
dnl We use these fixed-width types for constructing the IKE packet payloads.
AC_NTA_CHECK_TYPE(uint8_t, unsigned char)
AC_NTA_CHECK_TYPE(uint16_t, unsigned short)
AC_NTA_CHECK_TYPE(uint32_t, unsigned int)
dnl Checks for 64-bit integer types. These checks are from postgresql.
dnl Check to see if we have a working 64-bit integer type.
dnl This breaks down into two steps:
dnl (1) figure out if the compiler has a 64-bit int type with working
dnl arithmetic, and if so
dnl (2) see whether snprintf() can format the type correctly.
PGAC_TYPE_64BIT_INT([long int])
if test x"$HAVE_LONG_INT_64" = x"yes" ; then
INT64_TYPE="long int"
UINT64_TYPE="unsigned long int"
else
PGAC_TYPE_64BIT_INT([long long int])
if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
INT64_TYPE="long long int"
UINT64_TYPE="unsigned long long int"
else
AC_MSG_ERROR([cannot determine 64-bit integer type])
fi
fi
AC_DEFINE_UNQUOTED(IKE_INT64, $INT64_TYPE,
[Define to the appropriate type for 64-bit ints.])
AC_DEFINE_UNQUOTED(IKE_UINT64, $UINT64_TYPE,
[Define to the appropriate type for unsigned 64-bit ints.])
dnl If we found "long int" is 64 bits, assume snprintf handles it. If
dnl we found we need to use "long long int", better check. We cope with
dnl snprintfs that use %lld, %qd, or %I64d as the format.
dnl
if test "$HAVE_LONG_LONG_INT_64" = yes ; then
PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
if test "$LONG_LONG_INT_FORMAT" = ""; then
AC_MSG_ERROR([cannot determine snprintf format string for long long int])
fi
LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
else
# Here if we are not using 'long long int' at all
INT64_FORMAT='"%ld"'
UINT64_FORMAT='"%lu"'
fi
AC_DEFINE_UNQUOTED(IKE_INT64_FORMAT, $INT64_FORMAT,
[Define to the appropriate snprintf format for 64-bit ints.])
AC_DEFINE_UNQUOTED(IKE_UINT64_FORMAT, $UINT64_FORMAT,
[Define to the appropriate snprintf format for unsigned 64-bit ints.])
dnl Checks for library functions.
AC_CHECK_FUNCS([malloc gethostbyname gettimeofday inet_ntoa memset select socket strerror])
dnl Determine type for 3rd arg to accept()
dnl This is normally socklen_t, but can sometimes be size_t or int.
AC_NTA_NET_SIZE_T
dnl Check if the Posix regular expression functions "regcomp" and "regexec"
dnl and the header file "regex.h" are present.
AC_MSG_CHECKING([for posix regular expression support])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <regex.h>]],
[[regcomp(0, 0, 0);
regexec(0, 0, 0, 0, 0)]])],
[ac_nta_posix_regex=yes],
[ac_nta_posic_regex=no])
AC_MSG_RESULT([$ac_nta_posix_regex])
if test $ac_nta_posix_regex = no; then
AC_MSG_ERROR([You don't seem to have posix regular expression support])
else
AC_DEFINE(HAVE_REGEX_H, 1, [Define to 1 if you have posix regex support])
fi
dnl GNU systems e.g. Linux have getopt_long_only, but many other systems
dnl e.g. FreeBSD 4.3 and Solaris 8 do not. For systems that don't have it,
dnl use the GNU getopt sources (obtained from glibc).
AC_CHECK_FUNC([getopt_long_only], ,
[ AC_LIBOBJ(getopt)
AC_LIBOBJ(getopt1)
AC_LIBSOURCE(getopt.h) ])
dnl Do we have inet_aton? Most systems do, but some e.g. Solaris don't
dnl If we don't have it, then use Russ Allbery's implementation as a
dnl replacement function.
AC_CHECK_FUNC(inet_aton, , [ AC_LIBOBJ(inet_aton) ])
dnl Do we want to disable the initial gethostbyname() call?
dnl The default is for it to be enabled.
AC_ARG_ENABLE(lookup,
AS_HELP_STRING([--enable-lookup],[Legacy option, present for compatibility]),
AC_MSG_NOTICE([The --enable-lookup option is depreciated])
)
dnl The big OpenSSL hunt.
dnl
dnl Check for OpenSSL headers and libraries if the --with-openssl[=PATH]
dnl option was specified.
dnl
dnl We search for "include/openssl/ssl.h" and "openssl/ssl.h" in the
dnl given path (if specified) plus a number of standard locations.
dnl When we find it, we use the directory we found it in to add the
dnl required -I option to CPPFLAGS (so we can find the include files),
dnl the -L option to LDFLAGS (so we can find the libraries), and add
dnl "-lcrypto" to LIBS (so we link against the OpenSSL libraries).
dnl
have_openssl="no"
AC_MSG_CHECKING([if OpenSSL libraries are required])
AC_ARG_WITH(openssl,
AS_HELP_STRING([--with-openssl],[Use the OpenSSL MD5 and SHA1 hash functions]),
[
if test "x$withval" != "xno" ; then
AC_MSG_RESULT(yes)
for ssldir in $withval /usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr; do
if test -f "${ssldir}/include/openssl/ssl.h"; then
found_openssl="yes"
openssl_header_dir="${ssldir}/include"
AC_MSG_NOTICE([Found ${ssldir}/include/openssl/ssl.h])
break
fi
if test -f "${ssldir}/openssl/ssl.h"; then
found_openssl="yes"
openssl_header_dir="${ssldir}"
AC_MSG_NOTICE([Found ${ssldir}/openssl/ssl.h])
break
fi
done
if test x$found_openssl != xyes; then
AC_MSG_ERROR([Cannot find OpenSSL header files])
else
AC_MSG_NOTICE([OpenSSL header files found in $openssl_header_dir])
CPPFLAGS="-I${openssl_header_dir} ${CPPFLAGS}"
fi
if test -f "${ssldir}/lib/libcrypto.so"; then
openssl_lib_dir="${ssldir}/lib"
AC_MSG_NOTICE([Found ${ssldir}/lib/libcrypto.so])
elif test -f "${ssldir}/libcrypto.so"; then
openssl_lib_dir="${ssldir}"
AC_MSG_NOTICE([Found ${ssldir}/libcrypto.so])
elif test -f "${ssldir}/lib/libcrypto.dylib"; then
openssl_lib_dir="${ssldir}/lib"
AC_MSG_NOTICE([Found ${ssldir}/lib/libcrypto.dylib])
elif test -f "${ssldir}/libcrypto.dylib"; then
openssl_lib_dir="${ssldir}"
AC_MSG_NOTICE([Found ${ssldir}/libcrypto.dylib])
elif test -f "${ssldir}/lib/libcrypto.a"; then
openssl_lib_dir="${ssldir}/lib"
AC_MSG_NOTICE([Found ${ssldir}/lib/libcrypto.a])
elif test -f "${ssldir}/libcrypto.a"; then
openssl_lib_dir="${ssldir}"
AC_MSG_NOTICE([Found ${ssldir}/libcrypto.a])
else
openssl_lib_dir="${ssldir}/lib"
AC_MSG_NOTICE([Cannot find libcrypto under $ssldir - assuming its in the standard search path])
fi
AC_MSG_NOTICE([OpenSSL libraries found in $openssl_lib_dir])
LDFLAGS="-L${openssl_lib_dir} ${LDFLAGS}"
LIBS="-lcrypto ${LIBS}"
AC_MSG_CHECKING([that OpenSSL headers and libraries in ${ssldir} work])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#include <openssl/md5.h>
#include <openssl/sha.h>
]],
[[
MD5(0, 0, 0);
SHA1(0, 0, 0);
]] ) ],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_OPENSSL, 1, [Define to 1 if you have the OpenSSL libraries and header files])
have_openssl="yes"
],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([OpenSSL libraries in ${ssldir} do not appear to work])
] )
else
AC_MSG_RESULT(no)
fi
],
[
AC_MSG_RESULT(no)
]
)
dnl If we're not using OpenSSL, then use the replacement functions instead.
if test "x$have_openssl" = "xyes"; then
AC_MSG_NOTICE([Using OpenSSL MD5 and SHA1 hash functions.])
else
AC_MSG_NOTICE([Using ike-scan built in MD5 and SHA1 hash functions.])
AC_MSG_NOTICE([])
AC_MSG_NOTICE([If you plan to perform aggressive mode pre-shared key cracking, then])
AC_MSG_NOTICE([you probably want to use the OpenSSL hash functions instead because])
AC_MSG_NOTICE([they are generally faster than the built-in hash functions.])
AC_MSG_NOTICE([])
AC_MSG_NOTICE([You will need to have the OpenSSL libraries and headers installed])
AC_MSG_NOTICE([to configure ike-scan with the OpenSSL hash functions.])
AC_MSG_NOTICE([])
AC_MSG_NOTICE([To use the OpenSSL hash functions, specify the following option])
AC_MSG_NOTICE([to configure:])
AC_MSG_NOTICE([ --with-openssl])
AC_MSG_NOTICE([If the OpenSSL libraries are in a non-standard location, you can])
AC_MSG_NOTICE([specify the base directory as an argument to --with-openssl.])
AC_MSG_NOTICE([])
AC_LIBOBJ(md5)
AC_LIBSOURCE(md5.h)
AC_LIBOBJ(sha1)
AC_LIBSOURCE(sha1.h)
fi
dnl Check for strlcat and strlcpy. If we don't have them, use the replacement
dnl functions from OpenBSD. Most modern C libraries have these functions,
dnl but some such as as glibc don't.
AC_CHECK_FUNC([strlcat],
[AC_DEFINE(HAVE_STRLCAT, 1, [Define to 1 if the C library includes the strlcat function])],
[AC_LIBOBJ(strlcat)])
AC_CHECK_FUNC([strlcpy],
[AC_DEFINE(HAVE_STRLCPY, 1, [Define to 1 if the C library includes the strlcpy function])],
[AC_LIBOBJ(strlcpy)])
dnl XXXX
dnl Include "ip.h" and "udp.h" for raw packet support
dnl This should be changed to only include raw packet support if the host
dnl OS supports it.
dnl XXXX
AC_LIBSOURCES([ip.h, udp.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT