]> andersk Git - openssh.git/blobdiff - configure.ac
unbreak
[openssh.git] / configure.ac
index 1337e55b7c341cd689843e176920858d7a8fe52e..eefa742412dfa72efaa9daf33ae676bc809ed109 100644 (file)
@@ -21,6 +21,7 @@ AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
+AC_PATH_PROG(SH, sh)
 
 # System features
 AC_SYS_LARGEFILE
@@ -57,10 +58,22 @@ case "$host" in
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        if (test "$LD" != "gcc" && test -z "$blibpath"); then
-               blibpath="/usr/lib:/lib:/usr/local/lib"
+               AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
+               saved_LDFLAGS="$LDFLAGS"
+               LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
+               AC_TRY_LINK([],
+                       [],
+                       [
+                               AC_MSG_RESULT(yes)
+                               blibpath="/usr/lib:/lib:/usr/local/lib"
+                       ],
+                       [ AC_MSG_RESULT(no) ]
+               )
+               LDFLAGS="$saved_LDFLAGS"
        fi
        AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
        AC_DEFINE(BROKEN_GETADDRINFO)
+       AC_DEFINE(BROKEN_REALPATH)
        dnl AIX handles lastlog as part of its login message
        AC_DEFINE(DISABLE_LASTLOG)
        ;;
@@ -79,6 +92,22 @@ case "$host" in
 *-*-darwin*)
        AC_DEFINE(BROKEN_GETADDRINFO)
        ;;
+*-*-hpux10.26)
+       if test -z "$GCC"; then
+               CFLAGS="$CFLAGS -Ae"
+       fi
+       CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
+       IPADDR_IN_DISPLAY=yes
+       AC_DEFINE(HAVE_SECUREWARE)
+       AC_DEFINE(USE_PIPES)
+       AC_DEFINE(LOGIN_NO_ENDOPT)
+       AC_DEFINE(LOGIN_NEEDS_UTMPX)
+       AC_DEFINE(DISABLE_SHADOW)
+       AC_DEFINE(DISABLE_UTMP)
+       AC_DEFINE(SPT_TYPE,SPT_PSTAT)
+       LIBS="$LIBS -lxnet -lsec -lsecpw"
+       disable_ptmx_check=yes
+       ;;
 *-*-hpux10*)
        if test -z "$GCC"; then
                CFLAGS="$CFLAGS -Ae"
@@ -86,6 +115,8 @@ case "$host" in
        CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
        IPADDR_IN_DISPLAY=yes
        AC_DEFINE(USE_PIPES)
+       AC_DEFINE(LOGIN_NO_ENDOPT)
+       AC_DEFINE(LOGIN_NEEDS_UTMPX)
        AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_UTMP)
        AC_DEFINE(SPT_TYPE,SPT_PSTAT)
@@ -96,6 +127,8 @@ case "$host" in
        IPADDR_IN_DISPLAY=yes
        AC_DEFINE(PAM_SUN_CODEBASE)
        AC_DEFINE(USE_PIPES)
+       AC_DEFINE(LOGIN_NO_ENDOPT)
+       AC_DEFINE(LOGIN_NEEDS_UTMPX)
        AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_UTMP)
        AC_DEFINE(SPT_TYPE,SPT_PSTAT)
@@ -106,6 +139,7 @@ case "$host" in
        LDFLAGS="$LDFLAGS"
        PATH="$PATH:/usr/etc"
        AC_DEFINE(BROKEN_INET_NTOA)
+       AC_DEFINE(WITH_ABBREV_NO_TTY)
        ;;
 *-*-irix6*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
@@ -116,21 +150,18 @@ case "$host" in
        AC_DEFINE(WITH_IRIX_AUDIT)
        AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
        AC_DEFINE(BROKEN_INET_NTOA)
+       AC_DEFINE(WITH_ABBREV_NO_TTY)
        ;;
 *-*-linux*)
        no_dev_ptmx=1
        check_for_libcrypt_later=1
        AC_DEFINE(DONT_TRY_OTHER_AF)
        AC_DEFINE(PAM_TTY_KLUDGE)
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        inet6_default_4in6=yes
        ;;
 mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(HAVE_NEWS4)
        SONY=1
-       AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
-               AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
-        )
        ;;
 *-*-netbsd*)
        need_dash_r=1
@@ -174,7 +205,6 @@ mips-sony-bsd|mips-sony-newsos4)
        CPPFLAGS="$CPPFLAGS -DSUNOS4"
        AC_CHECK_FUNCS(getpwanam)
        AC_DEFINE(PAM_SUN_CODEBASE)
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        conf_utmp_location=/etc/utmp
        conf_wtmp_location=/var/adm/wtmp
        conf_lastlog_location=/var/adm/lastlog
@@ -184,7 +214,6 @@ mips-sony-bsd|mips-sony-newsos4)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        LIBS="$LIBS -lc89"
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        AC_DEFINE(USE_PIPES)
        ;;
 *-sni-sysv*)
@@ -194,7 +223,6 @@ mips-sony-bsd|mips-sony-newsos4)
        IPADDR_IN_DISPLAY=yes
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(IP_TOS_IS_BROKEN)
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
        # Attention: always take care to bind libsocket and libnsl before libc,
        # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
@@ -224,9 +252,8 @@ mips-sony-bsd|mips-sony-newsos4)
        no_dev_ptmx=1
        AC_DEFINE(BROKEN_SYS_TERMIO_H)
        AC_DEFINE(USE_PIPES)
-       AC_DEFINE(HAVE_SCO_PROTECTED_PW)
+       AC_DEFINE(HAVE_SECUREWARE)
        AC_DEFINE(DISABLE_SHADOW)
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        AC_DEFINE(BROKEN_SAVED_UIDS)
        AC_CHECK_FUNCS(getluid setluid)
        MANTYPE=man
@@ -239,9 +266,8 @@ mips-sony-bsd|mips-sony-newsos4)
        no_dev_ptmx=1
        rsh_path="/usr/bin/rcmd"
        AC_DEFINE(USE_PIPES)
-       AC_DEFINE(HAVE_SCO_PROTECTED_PW)
+       AC_DEFINE(HAVE_SECUREWARE)
        AC_DEFINE(DISABLE_SHADOW)
-       AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
        AC_CHECK_FUNCS(getluid setluid)
        MANTYPE=man
        ;;
@@ -319,6 +345,18 @@ AC_ARG_WITH(libs,
        ]       
 )
 
+# Checks for header files.
+AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
+       getopt.h glob.h lastlog.h limits.h login.h \
+       login_cap.h maillock.h netdb.h netgroup.h \
+       netinet/in_systm.h paths.h pty.h \
+       rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
+       strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
+       sys/mman.h sys/select.h sys/stat.h \
+       sys/stropts.h sys/sysmacros.h sys/time.h \
+       sys/un.h time.h ttyent.h usersec.h \
+       util.h utime.h utmp.h utmpx.h)
+
 # Checks for libraries.
 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
@@ -333,6 +371,18 @@ fi
 AC_CHECK_FUNC(getspnam, ,
        AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 
+AC_ARG_WITH(rpath,
+       [  --without-rpath         Disable auto-added -R linker paths],
+       [
+               if test "x$withval" = "xno" ; then      
+                       need_dash_r=""
+               fi
+               if test "x$withval" = "xyes" ; then
+                       need_dash_r=1
+               fi
+       ]
+)
+
 dnl zlib is required
 AC_ARG_WITH(zlib,
        [  --with-zlib=PATH        Use zlib in PATH],
@@ -378,18 +428,6 @@ AC_CHECK_FUNCS(logout updwtmp logwtmp)
 
 AC_FUNC_STRFTIME
 
-# Checks for header files.
-AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
-       getopt.h glob.h lastlog.h limits.h login.h \
-       login_cap.h maillock.h netdb.h netgroup.h \
-       netinet/in_systm.h paths.h poll.h pty.h \
-       security/pam_appl.h shadow.h stddef.h stdint.h \
-       strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
-       sys/poll.h sys/queue.h sys/select.h sys/stat.h \
-       sys/stropts.h sys/sysmacros.h sys/time.h \
-       sys/ttcompat.h sys/un.h time.h ttyent.h usersec.h \
-       util.h utime.h utmp.h utmpx.h)
-
 # Check for ALTDIRFUNC glob() extension
 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 AC_EGREP_CPP(FOUNDIT,
@@ -455,9 +493,16 @@ AC_ARG_WITH(skey,
                        LIBS="-lskey $LIBS"
                        SKEY_MSG="yes" 
        
-                       AC_CHECK_FUNC(skey_keyinfo,
-                               [],
+                       AC_MSG_CHECKING([for s/key support])
+                       AC_TRY_RUN(
                                [
+#include <stdio.h>
+#include <skey.h>
+int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
+                               ],
+                               [AC_MSG_RESULT(yes)],
+                               [
+                                       AC_MSG_RESULT(no)
                                        AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
                                ])
                fi
@@ -494,7 +539,8 @@ AC_ARG_WITH(tcp-wrappers,
                                        CPPFLAGS="-I${withval} ${CPPFLAGS}"
                                fi
                        fi
-                       LIBS="-lwrap $LIBS"
+                       LIBWRAP="-lwrap"
+                       LIBS="$LIBWRAP $LIBS"
                        AC_MSG_CHECKING(for libwrap)
                        AC_TRY_LINK(
                                [
@@ -505,27 +551,29 @@ AC_ARG_WITH(tcp-wrappers,
                                [
                                        AC_MSG_RESULT(yes)
                                        AC_DEFINE(LIBWRAP)
+                                       AC_SUBST(LIBWRAP)
                                        TCPW_MSG="yes"
                                ],
                                [
                                        AC_MSG_ERROR([*** libwrap missing])
                                ]
                        )
+                       LIBS="$saved_LIBS"
                fi
        ]
 )
 
 dnl    Checks for library functions.
-AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa \
+AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
        clock fchmod fchown freeaddrinfo futimes gai_strerror \
        getaddrinfo getcwd getgrouplist getnameinfo getopt \
        getrlimit getrusage getttyent glob inet_aton inet_ntoa \
        inet_ntop innetgr login_getcapbool md5_crypt memmove \
-       mkdtemp on_exit openpty readpassphrase realpath \
-       rresvport_af setdtablesize setegid setenv seteuid \
-       setlogin setproctitle setresgid setreuid setrlimit \
-       setsid setvbuf sigaction sigvec snprintf strerror \
-       strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \
+       mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
+       realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
+       setenv seteuid setlogin setproctitle setresgid setreuid setrlimit \
+       setsid setvbuf sigaction sigvec snprintf socketpair strerror \
+       strlcat strlcpy strmode strsep sysconf tcgetpgrp truncate utimes \
        vhangup vsnprintf waitpid __b64_ntop _getpty)
 
 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
@@ -626,6 +674,12 @@ AC_ARG_WITH(pam,
                        PAM_MSG="yes"
 
                        AC_DEFINE(USE_PAM)
+                       if test $ac_cv_lib_dl_dlopen = yes; then
+                               LIBPAM="-lpam -ldl"
+                       else
+                               LIBPAM="-lpam"
+                       fi
+                       AC_SUBST(LIBPAM)
                fi
        ]
 )
@@ -649,169 +703,52 @@ if test "x$PAM_MSG" = "xyes" ; then
        )
 fi
 
-# The big search for OpenSSL
+# Search for OpenSSL
+saved_CPPFLAGS="$CPPFLAGS"
+saved_LDFLAGS="$LDFLAGS"
 AC_ARG_WITH(ssl-dir,
        [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
        [
                if test "x$withval" != "xno" ; then
-                       tryssldir=$withval
-               fi
-       ]
-)
-
-saved_LIBS="$LIBS"
-saved_LDFLAGS="$LDFLAGS"
-saved_CPPFLAGS="$CPPFLAGS"
-if test "x$prefix" != "xNONE" ; then
-       tryssldir="$tryssldir $prefix"
-fi
-AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
-       for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
-               CPPFLAGS="$saved_CPPFLAGS"
-               LDFLAGS="$saved_LDFLAGS"
-               LIBS="$saved_LIBS -lcrypto"
-               
-               # Skip directories if they don't exist
-               if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
-                       continue;
-               fi
-               if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
-                       # Try to use $ssldir/lib if it exists, otherwise 
-                       # $ssldir
-                       if test -d "$ssldir/lib" ; then
-                               LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
-                               if test ! -z "$need_dash_r" ; then
-                                       LDFLAGS="-R$ssldir/lib $LDFLAGS"
+                       if test -d "$withval/lib"; then
+                               if test -n "${need_dash_r}"; then
+                                       LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+                               else
+                                       LDFLAGS="-L${withval}/lib ${LDFLAGS}"
                                fi
                        else
-                               LDFLAGS="-L$ssldir $saved_LDFLAGS"
-                               if test ! -z "$need_dash_r" ; then
-                                       LDFLAGS="-R$ssldir $LDFLAGS"
+                               if test -n "${need_dash_r}"; then
+                                       LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
+                               else
+                                       LDFLAGS="-L${withval} ${LDFLAGS}"
                                fi
                        fi
-                       # Try to use $ssldir/include if it exists, otherwise 
-                       # $ssldir
-                       if test -d "$ssldir/include" ; then
-                               CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
+                       if test -d "$withval/include"; then
+                               CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
                        else
-                               CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
-                       fi
-               fi
-
-               # Basic test to check for compatible version and correct linking
-               # *does not* test for RSA - that comes later.
-               AC_TRY_RUN(
-                       [
-#include <string.h>
-#include <openssl/rand.h>
-int main(void) 
-{
-       char a[2048];
-       memset(a, 0, sizeof(a));
-       RAND_add(a, sizeof(a), sizeof(a));
-       return(RAND_status() <= 0);
-}
-                       ],
-                       [
-                               found_crypto=1
-                               break;
-                       ], []
-               )
-
-               if test ! -z "$found_crypto" ; then
-                       break;
-               fi
-       done
-
-       if test -z "$found_crypto" ; then
-               AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])      
-       fi
-       if test -z "$ssldir" ; then
-               ssldir="(system)"
-       fi
-
-       ac_cv_openssldir=$ssldir
-])
-
-if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
-       AC_DEFINE(HAVE_OPENSSL)
-       dnl Need to recover ssldir - test above runs in subshell
-       ssldir=$ac_cv_openssldir
-       if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
-               # Try to use $ssldir/lib if it exists, otherwise 
-               # $ssldir
-               if test -d "$ssldir/lib" ; then
-                       LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
-                       if test ! -z "$need_dash_r" ; then
-                               LDFLAGS="-R$ssldir/lib $LDFLAGS"
-                       fi
-               else
-                       LDFLAGS="-L$ssldir $saved_LDFLAGS"
-                       if test ! -z "$need_dash_r" ; then
-                               LDFLAGS="-R$ssldir $LDFLAGS"
+                               CPPFLAGS="-I${withval} ${CPPFLAGS}"
                        fi
                fi
-               # Try to use $ssldir/include if it exists, otherwise 
-               # $ssldir
-               if test -d "$ssldir/include" ; then
-                       CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
-               else
-                       CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
-               fi
-       fi
-fi
-LIBS="$saved_LIBS -lcrypto"
-
-# Now test RSA support
-saved_LIBS="$LIBS"
-AC_MSG_CHECKING([for RSA support])
-for WANTS_RSAREF in "" 1 ; do
-       if test -z "$WANTS_RSAREF" ; then
-               LIBS="$saved_LIBS"
-       else
-               LIBS="$saved_LIBS -lRSAglue -lrsaref"
-       fi
-       AC_TRY_RUN([
-#include <string.h>
-#include <openssl/rand.h>
-#include <openssl/rsa.h>
-#include <openssl/bn.h>
-#include <openssl/sha.h>
-int main(void) 
-{
-       int num; RSA *key; static unsigned char p_in[] = "blahblah";
-       unsigned char c[256], p[256];
-       memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
-       if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
-       num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
-       return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
-}
-       ],
+       ]
+)
+LIBS="$LIBS -lcrypto"
+AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
        [
-               rsa_works=1
-               break;
-       ], [])
-done
-LIBS="$saved_LIBS"
-
-if test ! -z "$no_rsa" ; then
-       AC_MSG_RESULT(disabled)
-       RSA_MSG="disabled"
-else
-       if test -z "$rsa_works" ; then
-               AC_MSG_WARN([*** No RSA support found *** ])
-               RSA_MSG="no"
-       else
-               if test -z "$WANTS_RSAREF" ; then
-                       AC_MSG_RESULT(yes)
-                       RSA_MSG="yes"
+               dnl Check default openssl install dir
+               if test -n "${need_dash_r}"; then
+                       LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
                else
-                       RSA_MSG="yes (using RSAref)"
-                       AC_MSG_RESULT(using RSAref)
-                       LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
+                       LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
                fi
-       fi
-fi
+               CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
+               AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
+                       [
+                               AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
+                       ]
+               )
+       ]
+)
+
 
 # Sanity check OpenSSL headers
 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
@@ -942,6 +879,25 @@ AC_ARG_WITH(prngd-socket,
                        PRNGD_SOCKET="$withval"
                        AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
                fi
+       ],
+       [
+               # Check for existing socket only if we don't have a random device already
+               if test "$USE_RAND_HELPER" = yes ; then
+                       AC_MSG_CHECKING(for PRNGD/EGD socket)
+                       # Insert other locations here
+                       for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
+                               if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
+                                       PRNGD_SOCKET="$sock"
+                                       AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
+                                       break;
+                               fi
+                       done
+                       if test ! -z "$PRNGD_SOCKET" ; then
+                               AC_MSG_RESULT($PRNGD_SOCKET)
+                       else
+                               AC_MSG_RESULT(not found)
+                       fi
+               fi
        ]
 )
 
@@ -955,9 +911,33 @@ AC_ARG_WITH(entropy-timeout,
                fi
        ]       
 )
-
 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 
+ssh_privsep_user=sshd
+AC_ARG_WITH(privsep-user,
+       [  --with-privsep-user=user Specify non-privileged user for privilege separation],
+       [
+               if test -n "$withval"; then
+                       ssh_privsep_user=$withval
+               fi
+       ]       
+)
+AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$ssh_privsep_user")
+
+# We do this little dance with the search path to insure
+# that programs that we select for use by installed programs
+# (which may be run by the super-user) come from trusted
+# locations before they come from the user's private area.
+# This should help avoid accidentally configuring some
+# random version of a program in someone's personal bin.
+
+OPATH=$PATH
+PATH=/bin:/usr/bin
+test -h /bin 2> /dev/null && PATH=/usr/bin
+test -d /sbin && PATH=$PATH:/sbin
+test -d /usr/sbin && PATH=$PATH:/usr/sbin
+PATH=$PATH:/etc:$OPATH
+
 # These programs are used by the command hashing source to gather entropy 
 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
@@ -975,6 +955,8 @@ OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
+# restore PATH
+PATH=$OPATH
 
 # Where does ssh-rand-helper get its randomness from?
 INSTALL_SSH_PRNG_CMDS=""
@@ -1004,6 +986,11 @@ AC_CHECK_SIZEOF(int, 4)
 AC_CHECK_SIZEOF(long int, 4)
 AC_CHECK_SIZEOF(long long int, 8)
 
+# Sanity check long long for some platforms (AIX)
+if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
+       ac_cv_sizeof_long_long_int=0
+fi
+
 # More checks for data types
 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
        AC_TRY_COMPILE(
@@ -1072,6 +1059,19 @@ if test -z "$have_int64_t" ; then
        )
 fi
 
+if test -z "$have_int64_t" ; then
+    AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
+       AC_TRY_COMPILE(
+               [ #include <sys/bitypes.h> ], 
+               [ int64_t a; a = 1],
+               [
+                       AC_DEFINE(HAVE_INT64_T)
+                       AC_MSG_RESULT(yes)
+               ],
+               [ AC_MSG_RESULT(no) ]
+       )
+fi
+
 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
        AC_TRY_COMPILE(
                [ #include <sys/types.h> ], 
@@ -1111,6 +1111,19 @@ if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
        have_u_int64_t=1
 fi
 
+if test -z "$have_u_int64_t" ; then
+    AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
+       AC_TRY_COMPILE(
+               [ #include <sys/bitypes.h> ], 
+               [ u_int64_t a; a = 1],
+               [
+                       AC_DEFINE(HAVE_U_INT64_T)
+                       AC_MSG_RESULT(yes)
+               ],
+               [ AC_MSG_RESULT(no) ]
+       )
+fi
+
 if test -z "$have_u_intxx_t" ; then
        AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
                AC_TRY_COMPILE(
@@ -1179,6 +1192,8 @@ fi
 
 TYPE_SOCKLEN_T
 
+AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
+
 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
        AC_TRY_COMPILE(
                [
@@ -1484,6 +1499,40 @@ if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
        AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
 fi
 
+AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
+               ac_cv_have_accrights_in_msghdr, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+               ],
+               [ struct msghdr m; m.msg_accrights = 0; ],
+               [ ac_cv_have_accrights_in_msghdr="yes" ],
+               [ ac_cv_have_accrights_in_msghdr="no" ]
+       )
+])
+if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
+       AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
+fi
+
+AC_CACHE_CHECK([for msg_control field in struct msghdr],
+               ac_cv_have_control_in_msghdr, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+               ],
+               [ struct msghdr m; m.msg_control = 0; ],
+               [ ac_cv_have_control_in_msghdr="yes" ],
+               [ ac_cv_have_control_in_msghdr="no" ]
+       )
+])
+if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
+       AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
+fi
+
 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
        AC_TRY_LINK([], 
                [ extern char *__progname; printf("%s", __progname); ], 
@@ -1495,6 +1544,32 @@ if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
        AC_DEFINE(HAVE___PROGNAME)
 fi
 
+AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
+       AC_TRY_LINK([
+#include <stdio.h>
+], 
+               [ printf("%s", __FUNCTION__); ], 
+               [ ac_cv_cc_implements___FUNCTION__="yes" ],
+               [ ac_cv_cc_implements___FUNCTION__="no" ]
+       )
+])
+if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
+       AC_DEFINE(HAVE___FUNCTION__)
+fi
+
+AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
+       AC_TRY_LINK([
+#include <stdio.h>
+], 
+               [ printf("%s", __func__); ], 
+               [ ac_cv_cc_implements___func__="yes" ],
+               [ ac_cv_cc_implements___func__="no" ]
+       )
+])
+if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
+       AC_DEFINE(HAVE___func__)
+fi
+
 AC_CACHE_CHECK([whether getopt has optreset support],
                ac_cv_have_getopt_optreset, [
        AC_TRY_LINK(
@@ -1533,11 +1608,11 @@ if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
        AC_DEFINE(HAVE_SYS_NERR)
 fi
 
-
-# Check whether user wants Kerberos support
 SCARD_MSG="no" 
-AC_ARG_WITH(smartcard,
-       [  --with-smartcard        Enable smartcard support],
+
+# Check whether user wants sectok support
+AC_ARG_WITH(sectok,
+       [  --with-sectok           Enable smartcard support using libsectok],
        [
                if test "x$withval" != "xno" ; then
                        if test "x$withval" != "xyes" ; then
@@ -1559,12 +1634,70 @@ AC_ARG_WITH(smartcard,
                                AC_MSG_ERROR(Can't find libsectok)
                        fi
                        AC_DEFINE(SMARTCARD)
-                       SCARD_MSG="yes" 
+                       AC_DEFINE(USE_SECTOK)
+                       SCARD_MSG="yes, using sectok" 
                fi
        ]
 )
 
-# Check whether user wants Kerberos support
+# Check whether user wants OpenSC support
+AC_ARG_WITH(opensc,
+       AC_HELP_STRING([--with-opensc=PFX],
+                      [Enable smartcard support using OpenSC]),
+       opensc_config_prefix="$withval", opensc_config_prefix="")
+if test x$opensc_config_prefix != x ; then
+  OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
+  AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
+  if test "$OPENSC_CONFIG" != "no"; then
+    LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
+    LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
+    CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
+    LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
+    AC_DEFINE(SMARTCARD)
+    AC_DEFINE(USE_OPENSC)
+    SCARD_MSG="yes, using OpenSC" 
+  fi
+fi
+
+# Check whether user wants Kerberos 5 support
+KRB5_MSG="no" 
+AC_ARG_WITH(kerberos5,
+        [  --with-kerberos5=PATH   Enable Kerberos 5 support],
+        [
+                if test "x$withval" != "xno" ; then
+                        if test "x$withval" = "xyes" ; then
+                                KRB5ROOT="/usr/local"
+                        else
+                                KRB5ROOT=${withval}
+                        fi
+                       CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
+                        LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
+                        AC_DEFINE(KRB5)
+                       KRB5_MSG="yes"
+                        AC_MSG_CHECKING(whether we are using Heimdal)
+                        AC_TRY_COMPILE([ #include <krb5.h> ],
+                                       [ char *tmp = heimdal_version; ],
+                                       [ AC_MSG_RESULT(yes)
+                                         AC_DEFINE(HEIMDAL)
+                                         K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
+                                       ],
+                                       [ AC_MSG_RESULT(no)
+                                         K5LIBS="-lkrb5 -lk5crypto -lcom_err"
+                                       ]
+                        )
+                        if test ! -z "$need_dash_r" ; then
+                                LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
+                        fi
+                        if test ! -z "$blibpath" ; then
+                                blibpath="$blibpath:${KRB5ROOT}/lib"
+                        fi
+                        AC_CHECK_LIB(resolv, dn_expand, , )
+
+                        KRB5=yes
+                fi
+        ]
+)
+# Check whether user wants Kerberos 4 support
 KRB4_MSG="no" 
 AC_ARG_WITH(kerberos4,
        [  --with-kerberos4=PATH   Enable Kerberos 4 support],
@@ -1644,7 +1777,7 @@ AC_ARG_WITH(afs,
                fi
        ]
 )
-LIBS="$LIBS $KLIBS"
+LIBS="$LIBS $KLIBS $K5LIBS"
 
 # Looking for programs, paths and files
 AC_ARG_WITH(rsh,
@@ -1659,6 +1792,17 @@ AC_ARG_WITH(rsh,
        ]
 )
 
+PRIVSEP_PATH=/var/empty
+AC_ARG_WITH(privsep-path,
+       [  --with-privsep-path=xxx Path for privilege seperation chroot ],
+       [
+               if test "x$withval" != "$no" ; then
+                       PRIVSEP_PATH=$withval
+               fi
+       ]
+)
+AC_SUBST(PRIVSEP_PATH)
+
 AC_ARG_WITH(xauth,
        [  --with-xauth=PATH       Specify path to xauth program ],
        [
@@ -1693,12 +1837,14 @@ if test ! -z "$MAIL" ; then
 fi
 
 if test -z "$no_dev_ptmx" ; then
-       AC_CHECK_FILE("/dev/ptmx", 
-               [
-                       AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
-                       have_dev_ptmx=1
-               ]
-       )
+       if test "x$disable_ptmx_check" != "xyes" ; then
+               AC_CHECK_FILE("/dev/ptmx", 
+                       [
+                               AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
+                               have_dev_ptmx=1
+                       ]
+               )
+       fi
 fi
 AC_CHECK_FILE("/dev/ptc", 
        [
@@ -1798,17 +1944,28 @@ else
        )
 fi
 
+dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
+if test $ac_cv_func_login_getcapbool = "yes" -a \
+       $ac_cv_header_login_cap_h = "yes" ; then
+       USES_LOGIN_CONF=yes
+fi
 # Whether to mess with the default path
 SERVER_PATH_MSG="(default)" 
 AC_ARG_WITH(default-path,
        [  --with-default-path=PATH Specify default \$PATH environment for server],
        [
-               if test "x$withval" != "xno" ; then     
+               if test "$USES_LOGIN_CONF" = "yes" ; then
+                       AC_MSG_WARN([
+--with-default-path=PATH has no effect on this system.
+Edit /etc/login.conf instead.])
+               elif test "x$withval" != "xno" ; then   
                        user_path="$withval"
                        SERVER_PATH_MSG="$withval" 
                fi
        ],
-       [
+       [ if test "$USES_LOGIN_CONF" = "yes" ; then
+       AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
+       else
        AC_TRY_RUN(
                [
 /* find out what STDPATH is */
@@ -1858,10 +2015,25 @@ main()
                                AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
                        fi
                fi
+       fi ]
+)
+if test "$USES_LOGIN_CONF" != "yes" ; then
+       AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
+       AC_SUBST(user_path)
+fi
+
+# Set superuser path separately to user path
+MD5_MSG="no" 
+AC_ARG_WITH(superuser-path,
+       [  --with-superuser-path=  Specify different path for super-user],
+       [
+               if test "x$withval" != "xno" ; then
+                       AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
+                       superuser_path=$withval
+               fi
        ]
 )
-AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
-AC_SUBST(user_path)
+
 
 # Whether to force IPv4 by default (needed on broken glibc Linux)
 IPV4_HACK_MSG="no" 
@@ -1931,23 +2103,26 @@ AC_SUBST(SSHMODE)
 
 # Where to place sshd.pid
 piddir=/var/run
+# make sure the directory exists
+if test ! -d $piddir ; then    
+       piddir=`eval echo ${sysconfdir}`
+       case $piddir in
+               NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
+       esac
+fi
+
 AC_ARG_WITH(pid-dir,
        [  --with-pid-dir=PATH     Specify location of ssh.pid file],
        [
                if test "x$withval" != "xno" ; then     
                        piddir=$withval
+                       if test ! -d $piddir ; then     
+                       AC_MSG_WARN([** no $piddir directory on this system **])
+                       fi
                fi
        ]
 )
 
-# make sure the directory exists
-if test ! -d $piddir ; then    
-       piddir=`eval echo ${sysconfdir}`
-       case $piddir in
-               NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
-       esac
-fi
-
 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
 AC_SUBST(piddir)
 
@@ -2177,6 +2352,14 @@ if test ! -z "$blibpath" ; then
        AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
 fi
 
+dnl remove pam and dl because they are in $LIBPAM
+if test "$PAM_MSG" = yes ; then
+       LIBS=`echo $LIBS | sed 's/-lpam //'`
+fi
+if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
+       LIBS=`echo $LIBS | sed 's/-ldl //'`
+fi
+
 AC_EXEEXT
 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
 AC_OUTPUT
@@ -2191,32 +2374,43 @@ D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
-H=`eval echo ${user_path}` ; H=`eval echo ${H}`
+H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
+I=`eval echo ${user_path}` ; I=`eval echo ${I}`
+J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
 
 echo ""
 echo "OpenSSH has been configured with the following options:"
-echo "                 User binaries: $B"
-echo "               System binaries: $C"
-echo "           Configuration files: $D"
-echo "               Askpass program: $E"
-echo "                  Manual pages: $F"
-echo "                      PID file: $G"
-echo "        sshd default user PATH: $H"
-echo "                Manpage format: $MANTYPE"
-echo "                   PAM support: ${PAM_MSG}"
-echo "            KerberosIV support: $KRB4_MSG"
-echo "             Smartcard support: $SCARD_MSG"
-echo "                   AFS support: $AFS_MSG"
-echo "                 S/KEY support: $SKEY_MSG"
-echo "          TCP Wrappers support: $TCPW_MSG"
-echo "          MD5 password support: $MD5_MSG"
-echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
-echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
-echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
-echo "              BSD Auth support: $BSD_AUTH_MSG"
-echo "          Random number source: $RAND_MSG"
+echo "                     User binaries: $B"
+echo "                   System binaries: $C"
+echo "               Configuration files: $D"
+echo "                   Askpass program: $E"
+echo "                      Manual pages: $F"
+echo "                          PID file: $G"
+echo "  Privilege separation chroot path: $H"
+if test "$USES_LOGIN_CONF" = "yes" ; then
+echo "   At runtime, sshd will use the path defined in /etc/login.conf"
+else
+echo "            sshd default user PATH: $I"
+fi
+if test ! -z "$superuser_path" ; then
+echo "          sshd superuser user PATH: $J"
+fi
+echo "                    Manpage format: $MANTYPE"
+echo "                       PAM support: ${PAM_MSG}"
+echo "                KerberosIV support: $KRB4_MSG"
+echo "                 KerberosV support: $KRB5_MSG"
+echo "                 Smartcard support: $SCARD_MSG"
+echo "                       AFS support: $AFS_MSG"
+echo "                     S/KEY support: $SKEY_MSG"
+echo "              TCP Wrappers support: $TCPW_MSG"
+echo "              MD5 password support: $MD5_MSG"
+echo "      IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
+echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
+echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
+echo "                  BSD Auth support: $BSD_AUTH_MSG"
+echo "              Random number source: $RAND_MSG"
 if test ! -z "$USE_RAND_HELPER" ; then
-       echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
+echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
 fi
 
 echo ""
@@ -2226,7 +2420,7 @@ echo "          Compiler: ${CC}"
 echo "    Compiler flags: ${CFLAGS}"
 echo "Preprocessor flags: ${CPPFLAGS}"
 echo "      Linker flags: ${LDFLAGS}"
-echo "         Libraries: ${LIBS}"
+echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
 
 echo ""
 
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