summaryrefslogtreecommitdiff
path: root/configure.in
blob: 9fe1a92ff2f53d0bd89f6000e4ea11c775ab4435 (plain)
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
AC_INIT(ssh.c)

AC_CONFIG_HEADER(config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_CHECK_PROG(AR, ar, ar)
if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -Wall"; fi

dnl Check for OpenSSL/SSLeay directories.
AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
for ssldir in /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local $prefix /usr/pkg ; do
	if test -f "$ssldir/include/openssl/crypto.h"; then
		AC_DEFINE(HAVE_OPENSSL)
		GOT_SSL="yes"
		break
	fi
	if test -f "$ssldir/include/ssl/crypto.h"; then
		AC_DEFINE(HAVE_SSL)
		GOT_SSL="yes"
		break
	fi
done
if test -z "$GOT_SSL" ; then
	AC_MSG_ERROR([Could not find SSLeay / OpenSSL libraries, please install])	
fi
AC_SUBST(ssldir)
AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
if test "$ssldir" != "/usr"; then
	CFLAGS="$CFLAGS -I$ssldir/include"
	LIBS="$LIBS -L$ssldir/lib"
fi
LIBS="$LIBS -lssl -lcrypto"
AC_MSG_RESULT($ssldir)

dnl Check for RSAref library.
AC_MSG_CHECKING([for RSAref library])
saved_LIBS="$LIBS"
LIBS="$saved_LIBS -lRSAglue -lrsaref"
AC_TRY_LINK([], [],
[AC_MSG_RESULT(yes); ],
[AC_MSG_RESULT(no)]; LIBS="$saved_LIBS")

dnl Checks for libraries.
AC_CHECK_LIB(crypto, CRYPTO_lock, ,AC_MSG_ERROR([*** libcrypto missing - please install first ***]))
AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
AC_CHECK_LIB(nsl, yp_match, , )
AC_CHECK_LIB(socket, main, , )

dnl libdl is needed by PAM on Redhat systems
AC_CHECK_LIB(dl, dlopen, , )
AC_CHECK_LIB(pam, pam_authenticate, , )

dnl Checks for header files.
AC_CHECK_HEADERS(pty.h endian.h paths.h lastlog.h shadow.h netgroup.h maillock.h)

dnl Checks for library functions.
AC_CHECK_FUNCS(openpty strlcpy mkdtemp arc4random setproctitle setlogin)

dnl Check whether use wants to disable the external ssh-askpass
INSTALL_ASKPASS="yes"
AC_MSG_CHECKING([whether to enable external ssh-askpass support])
AC_ARG_WITH(askpass,
	[  --with-askpass=yes/no   Enable external ssh-askpass support (default=no)],
	[
		if test x$withval = xno ; then
			INSTALL_ASKPASS="no"
		else
			INSTALL_ASKPASS="yes"
		fi
	]
)
if test "x$INSTALL_ASKPASS" = "xyes" ; then
	AC_DEFINE(USE_EXTERNAL_ASKPASS)
	AC_SUBST(INSTALL_ASKPASS)
	AC_MSG_RESULT(yes)
else
	AC_MSG_RESULT(no)
fi

if test "x$INSTALL_ASKPASS" = "xyes" ; then
	AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
	dnl Check whether user wants GNOME ssh-askpass
	AC_ARG_WITH(gnome-askpass,
		[  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
		[
			if test x$withval = xno ; then
				GNOME_ASKPASS="";
			else
				GNOME_ASKPASS="gnome-ssh-askpass";
			fi
		])
	AC_SUBST(GNOME_ASKPASS)

	if test -z "$GNOME_ASKPASS" ; then
		AC_MSG_RESULT(no)
	else
		AC_MSG_RESULT(yes)
	fi
fi

dnl Check for user-specified random device
AC_ARG_WITH(random,
	[  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
	[
		RANDOM_POOL="$withval";
		AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
	],
	[
		dnl Check for random device
		AC_CHECK_FILE("/dev/urandom",
			[
				RANDOM_POOL="/dev/urandom"; 
				AC_SUBST(RANDOM_POOL)
				AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
			]
		)
	]
)

dnl Check for EGD pool file
AC_ARG_WITH(egd-pool,
	[  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
	[
		RANDOM_POOL="$withval";
		AC_DEFINE(HAVE_EGD)
		AC_SUBST(RANDOM_POOL)
		AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
	]
)

dnl Make sure we have random number support
if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
	AC_MSG_ERROR([No random device found, and no EGD random pool specified])
fi

dnl Check for ut_host field in utmp
AC_MSG_CHECKING([whether utmp.h has ut_host field])
AC_EGREP_HEADER(ut_host, utmp.h, 
	[AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ], 
	[AC_MSG_RESULT(no)]
)

dnl Look for lastlog location
AC_MSG_CHECKING([location of lastlog file])
for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
	if test -f $lastlog ; then
		AC_MSG_RESULT($lastlog)
		AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
		break
	fi
done

AC_MSG_CHECKING([whether libc defines __progname])
AC_TRY_LINK([], 
	[extern char *__progname;], 
	[
		AC_DEFINE(HAVE___PROGNAME)
		AC_MSG_RESULT(yes)
	], 
	[
		AC_MSG_RESULT(no)
	]
)

AC_OUTPUT(Makefile)