configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8
   9 # Checks for programs.
  10 AC_PROG_CPP
  11 AC_PROG_RANLIB
  12 AC_PROG_INSTALL
  13 AC_PATH_PROG(AR, ar)
  14 AC_PATH_PROG(PERL, perl)
  15 AC_SUBST(PERL)
  16 AC_PATH_PROG(ENT, ent)
  17 AC_SUBST(ENT)
  18 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  19 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  22
  23 if test -z "$AR" ; then
  24         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  25 fi
  26
  27 # Use LOGIN_PROGRAM from environment if possible
  28 if test ! -z "$LOGIN_PROGRAM" ; then
  29         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  30 else
  31         # Search for login
  32         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  33         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  34                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  35         fi
  36 fi
  37
  38 if test -z "$LD" ; then
  39         LD=$CC
  40 fi
  41 AC_SUBST(LD)
  42
  43 # C Compiler features
  44 AC_C_INLINE
  45 if test "$GCC" = "yes"; then
  46         CFLAGS="$CFLAGS -Wall"
  47 fi
  48
  49 # Check for some target-specific stuff
  50 case "$host" in
  51 *-*-aix*)
  52         AFS_LIBS="-lld"
  53         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  54         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  55         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  56                 blibpath="/usr/lib:/lib:/usr/local/lib"
  57         fi
  58         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  59         AC_DEFINE(BROKEN_GETADDRINFO)
  60         MANTYPE='$(CATMAN)'
  61         mansubdir=cat
  62         dnl AIX handles lastlog as part of its login message
  63         AC_DEFINE(DISABLE_LASTLOG)
  64         MANTYPE='$(CATMAN)'
  65         mansubdir=cat
  66         ;;
  67 *-*-cygwin*)
  68         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  69         AC_DEFINE(HAVE_CYGWIN)
  70         AC_DEFINE(DISABLE_SHADOW)
  71         AC_DEFINE(IPV4_DEFAULT)
  72         AC_DEFINE(IP_TOS_IS_BROKEN)
  73         AC_DEFINE(BROKEN_VHANGUP)
  74         no_libsocket=1
  75         no_libnsl=1
  76         ;;
  77 *-*-dgux*)
  78         AC_DEFINE(IP_TOS_IS_BROKEN)
  79         ;;
  80 *-*-hpux10*)
  81         if test -z "$GCC"; then
  82                 CFLAGS="$CFLAGS -Ae"
  83         fi
  84         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  85         IPADDR_IN_DISPLAY=yes
  86         AC_DEFINE(USE_PIPES)
  87         AC_DEFINE(DISABLE_SHADOW)
  88         AC_DEFINE(DISABLE_UTMP)
  89         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  90         LIBS="$LIBS -lsec"
  91         MANTYPE='$(CATMAN)'
  92         mansubdir=cat
  93         ;;
  94 *-*-hpux11*)
  95         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  96         IPADDR_IN_DISPLAY=yes
  97         AC_DEFINE(PAM_SUN_CODEBASE)
  98         AC_DEFINE(USE_PIPES)
  99         AC_DEFINE(DISABLE_SHADOW)
 100         AC_DEFINE(DISABLE_UTMP)
 101         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 102         LIBS="$LIBS -lsec"
 103         MANTYPE='$(CATMAN)'
 104         mansubdir=cat
 105         ;;
 106 *-*-irix5*)
 107         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 108         LDFLAGS="$LDFLAGS"
 109         PATH="$PATH:/usr/etc"
 110         MANTYPE='$(CATMAN)'
 111         no_libsocket=1
 112         no_libnsl=1
 113         AC_DEFINE(BROKEN_INET_NTOA)
 114         ;;
 115 *-*-irix6*)
 116         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 117         LDFLAGS="$LDFLAGS"
 118         PATH="$PATH:/usr/etc"
 119         MANTYPE='$(CATMAN)'
 120         AC_DEFINE(WITH_IRIX_ARRAY)
 121         AC_DEFINE(WITH_IRIX_PROJECT)
 122         AC_DEFINE(WITH_IRIX_AUDIT)
 123         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 124         no_libsocket=1
 125         no_libnsl=1
 126         AC_DEFINE(BROKEN_INET_NTOA)
 127         mansubdir=man
 128         ;;
 129 *-*-linux*)
 130         no_dev_ptmx=1
 131         check_for_libcrypt_later=1
 132         AC_DEFINE(DONT_TRY_OTHER_AF)
 133         AC_DEFINE(PAM_TTY_KLUDGE)
 134         inet6_default_4in6=yes
 135         ;;
 136 mips-sony-bsd|mips-sony-newsos4)
 137         AC_DEFINE(HAVE_NEWS4)
 138         SONY=1
 139         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 140                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 141         )
 142         ;;
 143 *-*-netbsd*)
 144         need_dash_r=1
 145         ;;
 146 *-next-*)
 147         conf_lastlog_location="/usr/adm/lastlog"
 148         conf_utmp_location=/etc/utmp
 149         conf_wtmp_location=/usr/adm/wtmp
 150         MAIL=/usr/spool/mail
 151         AC_DEFINE(HAVE_NEXT)
 152         AC_DEFINE(BROKEN_REALPATH)
 153         AC_DEFINE(USE_PIPES)
 154         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 155         CFLAGS="$CFLAGS"
 156         ;;
 157 *-*-solaris*)
 158         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 159         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 160         need_dash_r=1
 161         AC_DEFINE(PAM_SUN_CODEBASE)
 162         # hardwire lastlog location (can't detect it on some versions)
 163         conf_lastlog_location="/var/adm/lastlog"
 164         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 165         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 166         if test "$sol2ver" -ge 8; then
 167                 AC_MSG_RESULT(yes)
 168                 AC_DEFINE(DISABLE_UTMP)
 169                 AC_DEFINE(DISABLE_WTMP)
 170         else
 171                 AC_MSG_RESULT(no)
 172         fi
 173         ;;
 174 *-*-sunos4*)
 175         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 176         AC_CHECK_FUNCS(getpwanam)
 177         AC_DEFINE(PAM_SUN_CODEBASE)
 178         conf_utmp_location=/etc/utmp
 179         conf_wtmp_location=/var/adm/wtmp
 180         conf_lastlog_location=/var/adm/lastlog
 181         AC_DEFINE(USE_PIPES)
 182         MANTYPE='$(CATMAN)'
 183         mansubdir=cat
 184         ;;
 185 *-ncr-sysv*)
 186         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 187         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 188         MANTYPE='$(CATMAN)'
 189         mansubdir=cat
 190         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 191         ;;
 192 *-sni-sysv*)
 193         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 194         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 195         MANTYPE='$(CATMAN)'
 196         IPADDR_IN_DISPLAY=yes
 197         AC_DEFINE(USE_PIPES)
 198         AC_DEFINE(IP_TOS_IS_BROKEN)
 199         mansubdir=cat
 200         LIBS="$LIBS -lgen -lnsl -lucb"
 201         ;;
 202 *-*-sysv4.2*)
 203         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 204         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 205         MANTYPE='$(CATMAN)'
 206         mansubdir=cat
 207         enable_suid_ssh=no
 208         AC_DEFINE(USE_PIPES)
 209         ;;
 210 *-*-sysv5*)
 211         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 212         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 213         MANTYPE='$(CATMAN)'
 214         mansubdir=cat
 215         enable_suid_ssh=no
 216         AC_DEFINE(USE_PIPES)
 217         ;;
 218 *-*-sysv*)
 219         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 220         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 221         MANTYPE='$(CATMAN)'
 222         mansubdir=cat
 223         LIBS="$LIBS -lgen -lsocket"
 224         ;;
 225 *-*-sco3.2v4*)
 226         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 227         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 228         MANTYPE='$(CATMAN)'
 229         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 230         mansubdir=cat
 231         rsh_path="/usr/bin/rcmd"
 232         RANLIB=true
 233         no_dev_ptmx=1
 234         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 235         AC_DEFINE(USE_PIPES)
 236         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 237         AC_DEFINE(DISABLE_SHADOW)
 238         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 239         AC_CHECK_FUNCS(getluid setluid)
 240         ;;
 241 *-*-sco3.2v5*)
 242         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 243         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 244         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 245         MANTYPE='$(CATMAN)'
 246         mansubdir=cat
 247         no_dev_ptmx=1
 248         rsh_path="/usr/bin/rcmd"
 249         AC_DEFINE(USE_PIPES)
 250         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 251         AC_DEFINE(DISABLE_SHADOW)
 252         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 253         AC_CHECK_FUNCS(getluid setluid)
 254         ;;
 255 *-dec-osf*)
 256         if test ! -z "USE_SIA" ; then
 257                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 258                 if test -f /etc/sia/matrix.conf; then
 259                         AC_MSG_RESULT(yes)
 260                         AC_DEFINE(HAVE_OSF_SIA)
 261                         AC_DEFINE(DISABLE_LOGIN)
 262                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 263                 else
 264                         AC_MSG_RESULT(no)
 265                 fi
 266         fi
 267         ;;
 268 esac
 269
 270 # Allow user to specify flags
 271 AC_ARG_WITH(cflags,
 272         [  --with-cflags           Specify additional flags to pass to compiler],
 273         [
 274                 if test "x$withval" != "xno" ; then
 275                         CFLAGS="$CFLAGS $withval"
 276                 fi
 277         ]
 278 )
 279 AC_ARG_WITH(cppflags,
 280         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 281         [
 282                 if test "x$withval" != "xno"; then
 283                         CPPFLAGS="$CPPFLAGS $withval"
 284                 fi
 285         ]
 286 )
 287 AC_ARG_WITH(ldflags,
 288         [  --with-ldflags          Specify additional flags to pass to linker],
 289         [
 290                 if test "x$withval" != "xno" ; then
 291                         LDFLAGS="$LDFLAGS $withval"
 292                 fi
 293         ]
 294 )
 295 AC_ARG_WITH(libs,
 296         [  --with-libs             Specify additional libraries to link with],
 297         [
 298                 if test "x$withval" != "xno" ; then
 299                         LIBS="$LIBS $withval"
 300                 fi
 301         ]
 302 )
 303
 304 AC_ARG_WITH(pcre,
 305         [  --with-pcre             Override built in regex library with pcre],
 306         [
 307
 308                 AC_CHECK_LIB(pcre, pcre_info,
 309                         [
 310                                 AC_DEFINE(HAVE_LIBPCRE)
 311                                 LIBS="$LIBS -lpcreposix -lpcre"
 312                                 no_comp_check="yes"
 313                         ],
 314                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 315                 )
 316         ]
 317 )
 318
 319 # Checks for libraries.
 320 if test -z "$no_libsocket" ; then
 321         AC_CHECK_LIB(nsl, yp_match, , )
 322 fi
 323 if test -z "$no_libnsl" ; then
 324         AC_CHECK_LIB(socket, main, , )
 325 fi
 326
 327 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 328 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 329 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 330
 331 # We don't want to check if we did an pcre override.
 332 if test -z "$no_comp_check" ; then
 333         AC_CHECK_FUNC(regcomp,
 334                 [ AC_DEFINE(HAVE_REGCOMP)],
 335                 [
 336                         AC_CHECK_LIB(pcre, pcre_info,
 337                         [
 338                                 AC_DEFINE(HAVE_LIBPCRE)
 339                                 LIBS="$LIBS -lpcreposix -lpcre"
 340                         ],
 341                         [
 342                                 AC_MSG_ERROR([*** No regex library found.])
 343                         ])
 344                 ]
 345         )
 346 fi
 347
 348 dnl UnixWare 2.x
 349 AC_CHECK_FUNC(strcasecmp,
 350         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 351 )
 352 AC_CHECK_FUNC(utimes,
 353         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 354 )
 355
 356 # Checks for header files.
 357 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.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 regex.h shadow.h security/pam_appl.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 stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 358
 359 # Check whether user wants Kerberos support
 360 KRB4_MSG="no"
 361 AC_ARG_WITH(kerberos4,
 362         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 363         [
 364                 if test "x$withval" != "xno" ; then
 365
 366                         if test "x$withval" != "xyes" ; then
 367                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 368                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 369                                 if test ! -z "$need_dash_r" ; then
 370                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 371                                 fi
 372                                 if test ! -z "$blibpath" ; then
 373                                         blibpath="$blibpath:${withval}/lib"
 374                                 fi
 375                         else
 376                                 if test -d /usr/include/kerberosIV ; then
 377                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
 378                                 fi
 379                         fi
 380
 381                         AC_CHECK_HEADERS(krb.h)
 382                         AC_CHECK_LIB(krb, main)
 383                         if test "$ac_cv_header_krb_h" != yes; then
 384                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 385                         fi
 386                         if test "$ac_cv_lib_krb_main" != yes; then
 387                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 388                         fi
 389
 390                         KLIBS="-lkrb -ldes"
 391                         AC_CHECK_LIB(resolv, dn_expand, , )
 392                         KRB4=yes
 393                         KRB4_MSG="yes"
 394                         AC_DEFINE(KRB4)
 395                 fi
 396         ]
 397 )
 398
 399 # Check whether user wants AFS support
 400 AFS_MSG="no"
 401 AC_ARG_WITH(afs,
 402         [  --with-afs=PATH         Enable AFS support],
 403         [
 404                 if test "x$withval" != "xno" ; then
 405
 406                         if test "x$withval" != "xyes" ; then
 407                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 408                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 409                         fi
 410
 411                         if test -z "$KRB4" ; then
 412                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 413                         fi
 414
 415                         LIBS="$LIBS -lkafs"
 416                         if test ! -z "$AFS_LIBS" ; then
 417                                 LIBS="$LIBS $AFS_LIBS"
 418                         fi
 419                         AC_DEFINE(AFS)
 420                         AFS_MSG="yes"
 421                 fi
 422         ]
 423 )
 424 LIBS="$LIBS $KLIBS"
 425
 426 # Check whether user wants S/Key support
 427 SKEY_MSG="no"
 428 AC_ARG_WITH(skey,
 429         [  --with-skey=PATH         Enable S/Key support],
 430         [
 431                 if test "x$withval" != "xno" ; then
 432
 433                         if test "x$withval" != "xyes" ; then
 434                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 435                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 436                         fi
 437
 438                         AC_DEFINE(SKEY)
 439                         LIBS="-lskey $LIBS"
 440                         SKEY_MSG="yes"
 441
 442                         AC_CHECK_FUNC(skey_keyinfo,
 443                                 [],
 444                                 [
 445                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 446                                 ])
 447                 fi
 448         ]
 449 )
 450
 451 # Check whether user wants TCP wrappers support
 452 TCPW_MSG="no"
 453 AC_ARG_WITH(tcp-wrappers,
 454         [  --with-tcp-wrappers     Enable tcpwrappers support],
 455         [
 456                 if test "x$withval" != "xno" ; then
 457                         saved_LIBS="$LIBS"
 458                         LIBS="-lwrap $LIBS"
 459                         AC_MSG_CHECKING(for libwrap)
 460                         AC_TRY_LINK(
 461                                 [
 462 #include <tcpd.h>
 463                                         int deny_severity = 0, allow_severity = 0;
 464                                 ],
 465                                 [hosts_access(0);],
 466                                 [
 467                                         AC_MSG_RESULT(yes)
 468                                         AC_DEFINE(LIBWRAP)
 469                                         TCPW_MSG="yes"
 470                                 ],
 471                                 [
 472                                         AC_MSG_ERROR([*** libwrap missing])
 473                                 ]
 474                         )
 475                 fi
 476         ]
 477 )
 478
 479 dnl    Checks for library functions.
 480 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv seteuid setlogin setproctitle setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 481 dnl    Checks for time functions
 482 AC_CHECK_FUNCS(gettimeofday time)
 483 dnl    Checks for libutil functions
 484 AC_CHECK_HEADERS(libutil.h)
 485 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 486 dnl    Checks for utmp functions
 487 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 488 AC_CHECK_FUNCS(utmpname)
 489 dnl    Checks for utmpx functions
 490 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 491 AC_CHECK_FUNCS(setutxent utmpxname)
 492
 493 AC_CHECK_FUNC(getuserattr,
 494         [AC_DEFINE(HAVE_GETUSERATTR)],
 495         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 496 )
 497
 498 AC_CHECK_FUNC(login,
 499         [AC_DEFINE(HAVE_LOGIN)],
 500         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 501 )
 502
 503 AC_CHECK_FUNC(daemon,
 504         [AC_DEFINE(HAVE_DAEMON)],
 505         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 506 )
 507
 508 AC_CHECK_FUNC(getpagesize,
 509         [AC_DEFINE(HAVE_GETPAGESIZE)],
 510         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 511 )
 512
 513 # Check for broken snprintf
 514 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 515         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 516         AC_TRY_RUN(
 517                 [
 518 #include <stdio.h>
 519 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 520                 ],
 521                 [AC_MSG_RESULT(yes)],
 522                 [
 523                         AC_MSG_RESULT(no)
 524                         AC_DEFINE(BROKEN_SNPRINTF)
 525                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 526                 ]
 527         )
 528 fi
 529
 530 AC_FUNC_GETPGRP
 531
 532 AC_FUNC_STRFTIME
 533
 534 # Check for PAM libs
 535 PAM_MSG="no"
 536 AC_ARG_WITH(pam,
 537         [  --with-pam              Enable PAM support ],
 538         [
 539                 if test "x$withval" != "xno" ; then
 540                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 541                                 AC_MSG_ERROR([PAM headers not found])
 542                         fi
 543
 544                         AC_CHECK_LIB(dl, dlopen, , )
 545                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 546                         AC_CHECK_FUNCS(pam_getenvlist)
 547
 548                         disable_shadow=yes
 549                         PAM_MSG="yes"
 550
 551                         AC_DEFINE(USE_PAM)
 552                 fi
 553         ]
 554 )
 555
 556 # Check for older PAM
 557 if test "x$PAM_MSG" = "xyes" ; then
 558         # Check PAM strerror arguments (old PAM)
 559         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 560         AC_TRY_COMPILE(
 561                 [
 562 #include <stdlib.h>
 563 #include <security/pam_appl.h>
 564                 ],
 565                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 566                 [AC_MSG_RESULT(no)],
 567                 [
 568                         AC_DEFINE(HAVE_OLD_PAM)
 569                         AC_MSG_RESULT(yes)
 570                         PAM_MSG="yes (old library)"
 571                 ]
 572         )
 573 fi
 574
 575 # The big search for OpenSSL
 576 AC_ARG_WITH(ssl-dir,
 577         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 578         [
 579                 if test "x$withval" != "xno" ; then
 580                         tryssldir=$withval
 581                 fi
 582         ]
 583 )
 584
 585 saved_LIBS="$LIBS"
 586 saved_LDFLAGS="$LDFLAGS"
 587 saved_CPPFLAGS="$CPPFLAGS"
 588 if test "x$prefix" != "xNONE" ; then
 589         tryssldir="$tryssldir $prefix"
 590 fi
 591 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 592
 593         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 594                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 595                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 596                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 597                         if test ! -z "$need_dash_r" ; then
 598                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 599                         fi
 600                 else
 601                         LDFLAGS="$saved_LDFLAGS"
 602                 fi
 603
 604                 LIBS="$saved_LIBS -lcrypto"
 605
 606                 # Basic test to check for compatible version and correct linking
 607                 # *does not* test for RSA - that comes later.
 608                 AC_TRY_RUN(
 609                         [
 610 #include <string.h>
 611 #include <openssl/rand.h>
 612 int main(void)
 613 {
 614         char a[2048];
 615         memset(a, 0, sizeof(a));
 616         RAND_add(a, sizeof(a), sizeof(a));
 617         return(RAND_status() <= 0);
 618 }
 619                         ],
 620                         [
 621                                 found_crypto=1
 622                                 break;
 623                         ], []
 624                 )
 625
 626                 if test ! -z "$found_crypto" ; then
 627                         break;
 628                 fi
 629         done
 630
 631         if test -z "$found_crypto" ; then
 632                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 633         fi
 634         if test -z "$ssldir" ; then
 635                 ssldir="(system)"
 636         fi
 637
 638         ac_cv_openssldir=$ssldir
 639 ])
 640
 641 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 642         AC_DEFINE(HAVE_OPENSSL)
 643         dnl Need to recover ssldir - test above runs in subshell
 644         ssldir=$ac_cv_openssldir
 645
 646         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 647                 CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 648                 LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 649                 if test ! -z "$need_dash_r" ; then
 650                         LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 651                 fi
 652                 if test ! -z "$blibpath" ; then
 653                         blibpath="$blibpath:$ssldir:$ssldir/lib"
 654                 fi
 655         fi
 656 fi
 657 LIBS="$saved_LIBS -lcrypto"
 658
 659 # Now test RSA support
 660 saved_LIBS="$LIBS"
 661 AC_MSG_CHECKING([for RSA support])
 662 for WANTS_RSAREF in "" 1 ; do
 663         if test -z "$WANTS_RSAREF" ; then
 664                 LIBS="$saved_LIBS"
 665         else
 666                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 667         fi
 668         AC_TRY_RUN([
 669 #include <string.h>
 670 #include <openssl/rand.h>
 671 #include <openssl/rsa.h>
 672 #include <openssl/bn.h>
 673 #include <openssl/sha.h>
 674 int main(void)
 675 {
 676         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 677         unsigned char c[256], p[256];
 678         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 679         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 680         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 681         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 682 }
 683         ],
 684         [
 685                 rsa_works=1
 686                 break;
 687         ], [])
 688 done
 689
 690 if test ! -z "$no_rsa" ; then
 691         AC_MSG_RESULT(disabled)
 692         RSA_MSG="disabled"
 693 else
 694         if test -z "$rsa_works" ; then
 695                 AC_MSG_WARN([*** No RSA support found *** ])
 696                 RSA_MSG="no"
 697         else
 698                 if test -z "$WANTS_RSAREF" ; then
 699                         AC_MSG_RESULT(yes)
 700                         RSA_MSG="yes"
 701                 else
 702                         RSA_MSG="yes (using RSAref)"
 703                         AC_MSG_RESULT(using RSAref)
 704                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 705                 fi
 706         fi
 707 fi
 708
 709 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 710 # version in OpenSSL. Skip this for PAM
 711 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 712         AC_CHECK_LIB(crypt, crypt, , )
 713 fi
 714
 715 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 716 if test ! -z "$SONY" ; then
 717   LIBS="$LIBS -liberty";
 718 fi
 719
 720 # Checks for data types
 721 AC_CHECK_SIZEOF(char, 1)
 722 AC_CHECK_SIZEOF(short int, 2)
 723 AC_CHECK_SIZEOF(int, 4)
 724 AC_CHECK_SIZEOF(long int, 4)
 725 AC_CHECK_SIZEOF(long long int, 8)
 726
 727 # More checks for data types
 728 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 729         AC_TRY_COMPILE(
 730                 [ #include <sys/types.h> ],
 731                 [ u_int a; a = 1;],
 732                 [ ac_cv_have_u_int="yes" ],
 733                 [ ac_cv_have_u_int="no" ]
 734         )
 735 ])
 736 if test "x$ac_cv_have_u_int" = "xyes" ; then
 737         AC_DEFINE(HAVE_U_INT)
 738         have_u_int=1
 739 fi
 740
 741 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 742         AC_TRY_COMPILE(
 743                 [ #include <sys/types.h> ],
 744                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 745                 [ ac_cv_have_intxx_t="yes" ],
 746                 [ ac_cv_have_intxx_t="no" ]
 747         )
 748 ])
 749 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 750         AC_DEFINE(HAVE_INTXX_T)
 751         have_intxx_t=1
 752 fi
 753
 754 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 755         AC_TRY_COMPILE(
 756                 [ #include <sys/types.h> ],
 757                 [ int64_t a; a = 1;],
 758                 [ ac_cv_have_int64_t="yes" ],
 759                 [ ac_cv_have_int64_t="no" ]
 760         )
 761 ])
 762 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 763         AC_DEFINE(HAVE_INT64_T)
 764         have_int64_t=1
 765 fi
 766
 767 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 768         AC_TRY_COMPILE(
 769                 [ #include <sys/types.h> ],
 770                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 771                 [ ac_cv_have_u_intxx_t="yes" ],
 772                 [ ac_cv_have_u_intxx_t="no" ]
 773         )
 774 ])
 775 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 776         AC_DEFINE(HAVE_U_INTXX_T)
 777         have_u_intxx_t=1
 778 fi
 779
 780 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 781         AC_TRY_COMPILE(
 782                 [ #include <sys/types.h> ],
 783                 [ u_int64_t a; a = 1;],
 784                 [ ac_cv_have_u_int64_t="yes" ],
 785                 [ ac_cv_have_u_int64_t="no" ]
 786         )
 787 ])
 788 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 789         AC_DEFINE(HAVE_U_INT64_T)
 790         have_u_int64_t=1
 791 fi
 792
 793 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 794            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 795 then
 796         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 797         AC_TRY_COMPILE(
 798                 [
 799 #include <sys/bitypes.h>
 800                 ],
 801                 [
 802                         int8_t a; int16_t b; int32_t c;
 803                         u_int8_t e; u_int16_t f; u_int32_t g;
 804                         a = b = c = e = f = g = 1;
 805                 ],
 806                 [
 807                         AC_DEFINE(HAVE_U_INTXX_T)
 808                         AC_DEFINE(HAVE_INTXX_T)
 809                         AC_MSG_RESULT(yes)
 810                 ],
 811                 [AC_MSG_RESULT(no)]
 812         )
 813 fi
 814
 815 if test -z "$have_u_intxx_t" ; then
 816         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 817                 AC_TRY_COMPILE(
 818                         [
 819 #include <sys/types.h>
 820                         ],
 821                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 822                         [ ac_cv_have_uintxx_t="yes" ],
 823                         [ ac_cv_have_uintxx_t="no" ]
 824                 )
 825         ])
 826         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 827                 AC_DEFINE(HAVE_UINTXX_T)
 828         fi
 829 fi
 830
 831 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 832         AC_TRY_COMPILE(
 833                 [
 834 #include <sys/types.h>
 835 #include <sys/socket.h>
 836                 ],
 837                 [socklen_t foo; foo = 1235;],
 838                 [ ac_cv_have_socklen_t="yes" ],
 839                 [ ac_cv_have_socklen_t="no" ]
 840         )
 841 ])
 842 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 843         AC_DEFINE(HAVE_SOCKLEN_T)
 844 fi
 845
 846 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 847         AC_TRY_COMPILE(
 848                 [
 849 #include <sys/types.h>
 850                 ],
 851                 [ size_t foo; foo = 1235; ],
 852                 [ ac_cv_have_size_t="yes" ],
 853                 [ ac_cv_have_size_t="no" ]
 854         )
 855 ])
 856 if test "x$ac_cv_have_size_t" = "xyes" ; then
 857         AC_DEFINE(HAVE_SIZE_T)
 858 fi
 859
 860 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 861         AC_TRY_COMPILE(
 862                 [
 863 #include <sys/types.h>
 864                 ],
 865                 [ ssize_t foo; foo = 1235; ],
 866                 [ ac_cv_have_ssize_t="yes" ],
 867                 [ ac_cv_have_ssize_t="no" ]
 868         )
 869 ])
 870 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 871         AC_DEFINE(HAVE_SSIZE_T)
 872 fi
 873
 874 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 875         AC_TRY_COMPILE(
 876                 [
 877 #include <time.h>
 878                 ],
 879                 [ clock_t foo; foo = 1235; ],
 880                 [ ac_cv_have_clock_t="yes" ],
 881                 [ ac_cv_have_clock_t="no" ]
 882         )
 883 ])
 884 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 885         AC_DEFINE(HAVE_CLOCK_T)
 886 fi
 887
 888 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 889         AC_TRY_COMPILE(
 890                 [
 891 #include <sys/types.h>
 892 #include <sys/socket.h>
 893                 ],
 894                 [ sa_family_t foo; foo = 1235; ],
 895                 [ ac_cv_have_sa_family_t="yes" ],
 896                 [ AC_TRY_COMPILE(
 897                   [
 898 #include <sys/types.h>
 899 #include <sys/socket.h>
 900 #include <netinet/in.h>
 901                 ],
 902                 [ sa_family_t foo; foo = 1235; ],
 903                 [ ac_cv_have_sa_family_t="yes" ],
 904
 905                 [ ac_cv_have_sa_family_t="no" ]
 906         )]
 907         )
 908 ])
 909 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 910         AC_DEFINE(HAVE_SA_FAMILY_T)
 911 fi
 912
 913 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 914         AC_TRY_COMPILE(
 915                 [
 916 #include <sys/types.h>
 917                 ],
 918                 [ pid_t foo; foo = 1235; ],
 919                 [ ac_cv_have_pid_t="yes" ],
 920                 [ ac_cv_have_pid_t="no" ]
 921         )
 922 ])
 923 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 924         AC_DEFINE(HAVE_PID_T)
 925 fi
 926
 927 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 928         AC_TRY_COMPILE(
 929                 [
 930 #include <sys/types.h>
 931                 ],
 932                 [ mode_t foo; foo = 1235; ],
 933                 [ ac_cv_have_mode_t="yes" ],
 934                 [ ac_cv_have_mode_t="no" ]
 935         )
 936 ])
 937 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 938         AC_DEFINE(HAVE_MODE_T)
 939 fi
 940
 941
 942 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 943         AC_TRY_COMPILE(
 944                 [
 945 #include <sys/types.h>
 946 #include <sys/socket.h>
 947                 ],
 948                 [ struct sockaddr_storage s; ],
 949                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 950                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 951         )
 952 ])
 953 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 954         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 955 fi
 956
 957 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 958         AC_TRY_COMPILE(
 959                 [
 960 #include <sys/types.h>
 961 #include <netinet/in.h>
 962                 ],
 963                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 964                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 965                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 966         )
 967 ])
 968 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 969         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 970 fi
 971
 972 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 973         AC_TRY_COMPILE(
 974                 [
 975 #include <sys/types.h>
 976 #include <netinet/in.h>
 977                 ],
 978                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 979                 [ ac_cv_have_struct_in6_addr="yes" ],
 980                 [ ac_cv_have_struct_in6_addr="no" ]
 981         )
 982 ])
 983 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 984         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 985 fi
 986
 987 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 988         AC_TRY_COMPILE(
 989                 [
 990 #include <sys/types.h>
 991 #include <sys/socket.h>
 992 #include <netdb.h>
 993                 ],
 994                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 995                 [ ac_cv_have_struct_addrinfo="yes" ],
 996                 [ ac_cv_have_struct_addrinfo="no" ]
 997         )
 998 ])
 999 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1000         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1001 fi
1002
1003 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1004         AC_TRY_COMPILE(
1005                 [ #include <sys/time.h> ],
1006                 [ struct timeval tv; tv.tv_sec = 1;],
1007                 [ ac_cv_have_struct_timeval="yes" ],
1008                 [ ac_cv_have_struct_timeval="no" ]
1009         )
1010 ])
1011 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1012         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1013         have_struct_timeval=1
1014 fi
1015
1016 # If we don't have int64_t then we can't compile sftp-server.  So don't
1017 # even attempt to do it.
1018 if test "x$ac_cv_have_int64_t" = "xno" -a \
1019         "x$ac_cv_sizeof_long_int" != "x8" -a \
1020         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1021         NO_SFTP='#'
1022 fi
1023 AC_SUBST(NO_SFTP)
1024
1025 dnl Checks for structure members
1026 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1027 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1028 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1029 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1030 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1031 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1032 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1033 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1034 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1035 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1036 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1037 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1038 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1039 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1040 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1041 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1042 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1043 AC_STRUCT_ST_BLKSIZE
1044
1045 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1046                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1047         AC_TRY_COMPILE(
1048                 [
1049 #include <sys/types.h>
1050 #include <sys/socket.h>
1051                 ],
1052                 [ struct sockaddr_un s; s.sun_len = 1; ],
1053                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1054                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1055         )
1056 ])
1057 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1058         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1059 fi
1060
1061 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1062                 ac_cv_have_ss_family_in_struct_ss, [
1063         AC_TRY_COMPILE(
1064                 [
1065 #include <sys/types.h>
1066 #include <sys/socket.h>
1067                 ],
1068                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1069                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1070                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1071         )
1072 ])
1073 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1074         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1075 fi
1076
1077 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1078                 ac_cv_have___ss_family_in_struct_ss, [
1079         AC_TRY_COMPILE(
1080                 [
1081 #include <sys/types.h>
1082 #include <sys/socket.h>
1083                 ],
1084                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1085                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1086                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1087         )
1088 ])
1089 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1090         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1091 fi
1092
1093 AC_CACHE_CHECK([for pw_class field in struct passwd],
1094                 ac_cv_have_pw_class_in_struct_passwd, [
1095         AC_TRY_COMPILE(
1096                 [
1097 #include <pwd.h>
1098                 ],
1099                 [ struct passwd p; p.pw_class = 0; ],
1100                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1101                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1102         )
1103 ])
1104 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1105         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1106 fi
1107
1108
1109 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1110         AC_TRY_LINK([],
1111                 [ extern char *__progname; printf("%s", __progname); ],
1112                 [ ac_cv_libc_defines___progname="yes" ],
1113                 [ ac_cv_libc_defines___progname="no" ]
1114         )
1115 ])
1116 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1117         AC_DEFINE(HAVE___PROGNAME)
1118 fi
1119
1120
1121 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1122         AC_TRY_LINK([],
1123                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1124                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1125                 [ ac_cv_libc_defines_sys_errlist="no" ]
1126         )
1127 ])
1128 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1129         AC_DEFINE(HAVE_SYS_ERRLIST)
1130 fi
1131
1132
1133 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1134         AC_TRY_LINK([],
1135                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1136                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1137                 [ ac_cv_libc_defines_sys_nerr="no" ]
1138         )
1139 ])
1140 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1141         AC_DEFINE(HAVE_SYS_NERR)
1142 fi
1143
1144
1145 # Looking for programs, paths and files
1146 AC_ARG_WITH(rsh,
1147         [  --with-rsh=PATH         Specify path to remote shell program ],
1148         [
1149                 if test "x$withval" != "$no" ; then
1150                         rsh_path=$withval
1151                 fi
1152         ],
1153         [
1154                 AC_PATH_PROG(rsh_path, rsh)
1155         ]
1156 )
1157
1158 AC_ARG_WITH(xauth,
1159         [  --with-xauth=PATH       Specify path to xauth program ],
1160         [
1161                 if test "x$withval" != "xno" ; then
1162                         xauth_path=$withval
1163                 fi
1164         ],
1165         [
1166                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1167                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1168                         xauth_path="/usr/openwin/bin/xauth"
1169                 fi
1170         ]
1171 )
1172
1173 if test -z "$xauth_path" ; then
1174         XAUTH_PATH="undefined"
1175         AC_SUBST(XAUTH_PATH)
1176 else
1177         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1178         XAUTH_PATH=$xauth_path
1179         AC_SUBST(XAUTH_PATH)
1180 fi
1181 if test ! -z "$rsh_path" ; then
1182         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1183 fi
1184
1185 # Check for mail directory (last resort if we cannot get it from headers)
1186 if test ! -z "$MAIL" ; then
1187         maildir=`dirname $MAIL`
1188         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1189 fi
1190
1191 if test -z "$no_dev_ptmx" ; then
1192         AC_CHECK_FILE("/dev/ptmx",
1193                 [
1194                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1195                         have_dev_ptmx=1
1196                 ]
1197         )
1198 fi
1199 AC_CHECK_FILE("/dev/ptc",
1200         [
1201                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1202                 have_dev_ptc=1
1203         ]
1204 )
1205
1206 # Options from here on. Some of these are preset by platform above
1207
1208 # Check for user-specified random device, otherwise check /dev/urandom
1209 AC_ARG_WITH(random,
1210         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1211         [
1212                 if test "x$withval" != "xno" ; then
1213                         RANDOM_POOL="$withval";
1214                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1215                 fi
1216         ],
1217         [
1218                 # Check for random device
1219                 AC_CHECK_FILE("/dev/urandom",
1220                         [
1221                                 RANDOM_POOL="/dev/urandom";
1222                                 AC_SUBST(RANDOM_POOL)
1223                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1224                         ]
1225                 )
1226         ]
1227 )
1228
1229 # Check for EGD pool file
1230 AC_ARG_WITH(egd-pool,
1231         [  --with-egd-pool=FILE    read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1232         [
1233                 if test "x$withval" != "xno" ; then
1234                         EGD_SOCKET="$withval";
1235                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1236                 fi
1237         ],
1238         [
1239                 # Check for existing socket only if we don't have a random device already
1240                 if test -z "$RANDOM_POOL" ; then
1241                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1242                         # Insert other locations here
1243                         for egdsock in /var/run/egd-pool /etc/entropy /tmp/entropy ; do
1244                                 if test -r $egdsock && $TEST_MINUS_S_SH -c "test -S $egdsock -o -p $egdsock" ; then
1245                                         EGD_SOCKET="$egdsock"
1246                                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1247                                         break;
1248                                 fi
1249                         done
1250                         if test -x "$EGD_SOCKET" ; then
1251                                 AC_MSG_RESULT($EGD_SOCKET)
1252                         else
1253                                 AC_MSG_RESULT(not found)
1254                         fi
1255                 fi
1256         ]
1257 )
1258
1259
1260 # detect pathnames for entropy gathering commands, if we need them
1261 INSTALL_SSH_PRNG_CMDS=""
1262 rm -f prng_commands
1263 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1264         # Use these commands to collect entropy
1265         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1266         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1267         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1268         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1269         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1270         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1271         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1272         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1273         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1274         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1275         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1276         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1277         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1278         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1279
1280         INSTALL_SSH_PRNG_CMDS="yes"
1281 fi
1282 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1283
1284
1285 AC_ARG_WITH(catman,
1286         [  --with-catman=man|cat   Install preformatted manpages[no]],
1287         [
1288                 MANTYPE='$(CATMAN)'
1289                 if test x"$withval" != x"yes" ; then
1290                    mansubdir=$withval
1291                 else
1292                    mansubdir=cat
1293                 fi
1294         ], [
1295                 if test -z "$MANTYPE" ; then
1296                         MANTYPE='$(TROFFMAN)'
1297                         mansubdir=man
1298                 fi
1299         ]
1300 )
1301 AC_SUBST(MANTYPE)
1302 AC_SUBST(mansubdir)
1303
1304 # Check whether to enable MD5 passwords
1305 MD5_MSG="no"
1306 AC_ARG_WITH(md5-passwords,
1307         [  --with-md5-passwords    Enable use of MD5 passwords],
1308         [
1309                 if test "x$withval" != "xno" ; then
1310                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1311                         MD5_MSG="yes"
1312                 fi
1313         ]
1314 )
1315
1316 # Whether to disable shadow password support
1317 AC_ARG_WITH(shadow,
1318         [  --without-shadow        Disable shadow password support],
1319         [
1320                 if test "x$withval" = "xno" ; then
1321                         AC_DEFINE(DISABLE_SHADOW)
1322                         disable_shadow=yes
1323                 fi
1324         ]
1325 )
1326
1327 if test -z "$disable_shadow" ; then
1328         AC_MSG_CHECKING([if the systems has expire shadow information])
1329         AC_TRY_COMPILE(
1330         [
1331 #include <sys/types.h>
1332 #include <shadow.h>
1333         struct spwd sp;
1334         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1335         [ sp_expire_available=yes ], []
1336         )
1337
1338         if test "x$sp_expire_available" = "xyes" ; then
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1341         else
1342                 AC_MSG_RESULT(no)
1343         fi
1344 fi
1345
1346 # Use ip address instead of hostname in $DISPLAY
1347 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1348         DISPLAY_HACK_MSG="yes"
1349         AC_DEFINE(IPADDR_IN_DISPLAY)
1350 else
1351         DISPLAY_HACK_MSG="no"
1352         AC_ARG_WITH(ipaddr-display,
1353                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1354                 [
1355                         if test "x$withval" != "xno" ; then
1356                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1357                                 DISPLAY_HACK_MSG="yes"
1358                         fi
1359                 ]
1360         )
1361 fi
1362
1363 # Whether to mess with the default path
1364 SERVER_PATH_MSG="(default)"
1365 AC_ARG_WITH(default-path,
1366         [  --with-default-path=PATH Specify default \$PATH environment for server],
1367         [
1368                 if test "x$withval" != "xno" ; then
1369                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1370                         SERVER_PATH_MSG="$withval"
1371                 fi
1372         ]
1373 )
1374
1375 # Whether to force IPv4 by default (needed on broken glibc Linux)
1376 IPV4_HACK_MSG="no"
1377 AC_ARG_WITH(ipv4-default,
1378         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1379         [
1380                 if test "x$withval" != "xno" ; then
1381                         AC_DEFINE(IPV4_DEFAULT)
1382                         IPV4_HACK_MSG="yes"
1383                 fi
1384         ]
1385 )
1386
1387 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1388 IPV4_IN6_HACK_MSG="no"
1389 AC_ARG_WITH(4in6,
1390         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1391         [
1392                 if test "x$withval" != "xno" ; then
1393                         AC_MSG_RESULT(yes)
1394                         AC_DEFINE(IPV4_IN_IPV6)
1395                         IPV4_IN6_HACK_MSG="yes"
1396                 else
1397                         AC_MSG_RESULT(no)
1398                 fi
1399         ],[
1400                 if test "x$inet6_default_4in6" = "xyes"; then
1401                         AC_MSG_RESULT([yes (default)])
1402                         AC_DEFINE(IPV4_IN_IPV6)
1403                         IPV4_IN6_HACK_MSG="yes"
1404                 else
1405                         AC_MSG_RESULT([no (default)])
1406                 fi
1407         ]
1408 )
1409
1410 AC_MSG_CHECKING(whether to install ssh as suid root)
1411 AC_ARG_ENABLE(suid-ssh,
1412 [  --enable-suid-ssh       Install ssh as suid root (default)
1413   --disable-suid-ssh      Install ssh without suid bit],
1414 [ case "$enableval" in
1415   no)
1416        AC_MSG_RESULT(no)
1417        SSHMODE=0711
1418        ;;
1419   *)   AC_MSG_RESULT(yes)
1420        SSHMODE=04711
1421        ;;
1422   esac ],
1423   AC_MSG_RESULT(yes)
1424   SSHMODE=04711
1425 )
1426 AC_SUBST(SSHMODE)
1427
1428
1429 # Where to place sshd.pid
1430 piddir=/var/run
1431 AC_ARG_WITH(pid-dir,
1432         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1433         [
1434                 if test "x$withval" != "xno" ; then
1435                         piddir=$withval
1436                 fi
1437         ]
1438 )
1439
1440 # make sure the directory exists
1441 if test ! -d $piddir ; then
1442         piddir=`eval echo ${sysconfdir}`
1443         case $piddir in
1444                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1445         esac
1446 fi
1447
1448 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1449 AC_SUBST(piddir)
1450
1451 dnl allow user to disable some login recording features
1452 AC_ARG_ENABLE(lastlog,
1453         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1454         [ AC_DEFINE(DISABLE_LASTLOG) ]
1455 )
1456 AC_ARG_ENABLE(utmp,
1457         [  --disable-utmp          disable use of utmp even if detected [no]],
1458         [ AC_DEFINE(DISABLE_UTMP) ]
1459 )
1460 AC_ARG_ENABLE(utmpx,
1461         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1462         [ AC_DEFINE(DISABLE_UTMPX) ]
1463 )
1464 AC_ARG_ENABLE(wtmp,
1465         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1466         [ AC_DEFINE(DISABLE_WTMP) ]
1467 )
1468 AC_ARG_ENABLE(wtmpx,
1469         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1470         [ AC_DEFINE(DISABLE_WTMPX) ]
1471 )
1472 AC_ARG_ENABLE(libutil,
1473         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1474         [ AC_DEFINE(DISABLE_LOGIN) ]
1475 )
1476 AC_ARG_ENABLE(pututline,
1477         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1478         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1479 )
1480 AC_ARG_ENABLE(pututxline,
1481         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1482         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1483 )
1484 AC_ARG_WITH(lastlog,
1485   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1486         [
1487                 if test "x$withval" = "xno" ; then
1488                         AC_DEFINE(DISABLE_LASTLOG)
1489                 else
1490                         conf_lastlog_location=$withval
1491                 fi
1492         ]
1493 )
1494
1495 dnl lastlog, [uw]tmpx? detection
1496 dnl  NOTE: set the paths in the platform section to avoid the
1497 dnl   need for command-line parameters
1498 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1499
1500 dnl lastlog detection
1501 dnl  NOTE: the code itself will detect if lastlog is a directory
1502 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1503 AC_TRY_COMPILE([
1504 #include <sys/types.h>
1505 #include <utmp.h>
1506 #ifdef HAVE_LASTLOG_H
1507 #  include <lastlog.h>
1508 #endif
1509 #ifdef HAVE_PATHS_H
1510 #  include <paths.h>
1511 #endif
1512         ],
1513         [ char *lastlog = LASTLOG_FILE; ],
1514         [ AC_MSG_RESULT(yes) ],
1515         [
1516                 AC_MSG_RESULT(no)
1517                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1518                 AC_TRY_COMPILE([
1519 #include <sys/types.h>
1520 #include <utmp.h>
1521 #ifdef HAVE_LASTLOG_H
1522 #  include <lastlog.h>
1523 #endif
1524 #ifdef HAVE_PATHS_H
1525 #  include <paths.h>
1526 #endif
1527                 ],
1528                 [ char *lastlog = _PATH_LASTLOG; ],
1529                 [ AC_MSG_RESULT(yes) ],
1530                 [
1531                         AC_MSG_RESULT(no)
1532                         system_lastlog_path=no
1533                 ])
1534         ]
1535 )
1536
1537 if test -z "$conf_lastlog_location"; then
1538         if test x"$system_lastlog_path" = x"no" ; then
1539                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1540                                 if (test -d "$f" || test -f "$f") ; then
1541                                         conf_lastlog_location=$f
1542                                 fi
1543                 done
1544                 if test -z "$conf_lastlog_location"; then
1545                         AC_MSG_WARN([** Cannot find lastlog **])
1546                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1547                 fi
1548         fi
1549 fi
1550
1551 if test -n "$conf_lastlog_location"; then
1552         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1553 fi
1554
1555 dnl utmp detection
1556 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1557 AC_TRY_COMPILE([
1558 #include <sys/types.h>
1559 #include <utmp.h>
1560 #ifdef HAVE_PATHS_H
1561 #  include <paths.h>
1562 #endif
1563         ],
1564         [ char *utmp = UTMP_FILE; ],
1565         [ AC_MSG_RESULT(yes) ],
1566         [ AC_MSG_RESULT(no)
1567           system_utmp_path=no ]
1568 )
1569 if test -z "$conf_utmp_location"; then
1570         if test x"$system_utmp_path" = x"no" ; then
1571                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1572                         if test -f $f ; then
1573                                 conf_utmp_location=$f
1574                         fi
1575                 done
1576                 if test -z "$conf_utmp_location"; then
1577                         AC_DEFINE(DISABLE_UTMP)
1578                 fi
1579         fi
1580 fi
1581 if test -n "$conf_utmp_location"; then
1582         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1583 fi
1584
1585 dnl wtmp detection
1586 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1587 AC_TRY_COMPILE([
1588 #include <sys/types.h>
1589 #include <utmp.h>
1590 #ifdef HAVE_PATHS_H
1591 #  include <paths.h>
1592 #endif
1593         ],
1594         [ char *wtmp = WTMP_FILE; ],
1595         [ AC_MSG_RESULT(yes) ],
1596         [ AC_MSG_RESULT(no)
1597           system_wtmp_path=no ]
1598 )
1599 if test -z "$conf_wtmp_location"; then
1600         if test x"$system_wtmp_path" = x"no" ; then
1601                 for f in /usr/adm/wtmp /var/log/wtmp; do
1602                         if test -f $f ; then
1603                                 conf_wtmp_location=$f
1604                         fi
1605                 done
1606                 if test -z "$conf_wtmp_location"; then
1607                         AC_DEFINE(DISABLE_WTMP)
1608                 fi
1609         fi
1610 fi
1611 if test -n "$conf_wtmp_location"; then
1612         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1613 fi
1614
1615
1616 dnl utmpx detection - I don't know any system so perverse as to require
1617 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1618 dnl  there, though.
1619 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1620 AC_TRY_COMPILE([
1621 #include <sys/types.h>
1622 #include <utmp.h>
1623 #ifdef HAVE_UTMPX_H
1624 #include <utmpx.h>
1625 #endif
1626 #ifdef HAVE_PATHS_H
1627 #  include <paths.h>
1628 #endif
1629         ],
1630         [ char *utmpx = UTMPX_FILE; ],
1631         [ AC_MSG_RESULT(yes) ],
1632         [ AC_MSG_RESULT(no)
1633           system_utmpx_path=no ]
1634 )
1635 if test -z "$conf_utmpx_location"; then
1636         if test x"$system_utmpx_path" = x"no" ; then
1637                 AC_DEFINE(DISABLE_UTMPX)
1638         fi
1639 else
1640         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1641 fi
1642
1643 dnl wtmpx detection
1644 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1645 AC_TRY_COMPILE([
1646 #include <sys/types.h>
1647 #include <utmp.h>
1648 #ifdef HAVE_UTMPX_H
1649 #include <utmpx.h>
1650 #endif
1651 #ifdef HAVE_PATHS_H
1652 #  include <paths.h>
1653 #endif
1654         ],
1655         [ char *wtmpx = WTMPX_FILE; ],
1656         [ AC_MSG_RESULT(yes) ],
1657         [ AC_MSG_RESULT(no)
1658           system_wtmpx_path=no ]
1659 )
1660 if test -z "$conf_wtmpx_location"; then
1661         if test x"$system_wtmpx_path" = x"no" ; then
1662                 AC_DEFINE(DISABLE_WTMPX)
1663         fi
1664 else
1665         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1666 fi
1667
1668
1669 # Change default command timeout for builtin PRNG
1670 entropy_timeout=200
1671 AC_ARG_WITH(entropy-timeout,
1672         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1673         [
1674                 if test "x$withval" != "xno" ; then
1675                         entropy_timeout=$withval
1676                 fi
1677         ]
1678 )
1679 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1680
1681
1682 if test ! -z "$blibpath" ; then
1683         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1684         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1685 fi
1686
1687 AC_EXEEXT
1688
1689 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1690
1691 # Print summary of options
1692
1693 if test x$MANTYPE = x'$(CATMAN)' ; then
1694         MAN_MSG=cat
1695 else
1696         MAN_MSG=man
1697 fi
1698 if test ! -z "$RANDOM_POOL" ; then
1699         RAND_MSG="Device ($RANDOM_POOL)"
1700 else
1701         if test ! -z "$EGD_SOCKET" ; then
1702                 RAND_MSG="EGD/PRNGD ($EGD_SOCKET)"
1703         else
1704                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1705                 BUILTIN_RNG=1
1706         fi
1707 fi
1708
1709 # Someone please show me a better way :)
1710 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1711 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1712 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1713 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1714 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1715 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1716 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1717
1718 echo ""
1719 echo "OpenSSH configured has been configured with the following options."
1720 echo "                 User binaries: $B"
1721 echo "               System binaries: $C"
1722 echo "           Configuration files: $D"
1723 echo "               Askpass program: $E"
1724 echo "                  Manual pages: $F"
1725 echo "                      PID file: $G"
1726 echo "      Random number collection: $RAND_MSG"
1727 echo "                Manpage format: $MAN_MSG"
1728 echo "                   PAM support: ${PAM_MSG}"
1729 echo "            KerberosIV support: $KRB4_MSG"
1730 echo "                   AFS support: $AFS_MSG"
1731 echo "                 S/KEY support: $SKEY_MSG"
1732 echo "          TCP Wrappers support: $TCPW_MSG"
1733 echo "          MD5 password support: $MD5_MSG"
1734 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1735 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1736 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1737
1738 echo ""
1739
1740 echo "              Host: ${host}"
1741 echo "          Compiler: ${CC}"
1742 echo "    Compiler flags: ${CFLAGS}"
1743 echo "Preprocessor flags: ${CPPFLAGS}"
1744 echo "      Linker flags: ${LDFLAGS}"
1745 echo "         Libraries: ${LIBS}"
1746
1747 echo ""
1748
1749 if test "x$PAM_MSG" = "xyes" ; then
1750         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1751         echo "otherwise password authentication may fail. Example PAM control files"
1752         echo "can be found in the contrib/ subdirectory"
1753         echo ""
1754 fi
1755
1756 if test ! -z "$BUILTIN_RNG" ; then
1757         echo "WARNING: you are using the builtin random number collection service."
1758         echo "Please read WARNING.RNG and request that your OS vendor includes"
1759         echo "/dev/random in future versions of their OS."
1760         echo ""
1761 fi
1762
1763 if test ! -z "$NO_SFTP"; then
1764         echo "sftp-server will be disabled.  Your compiler does not support"
1765         echo "64bit integers."
1766         echo ""
1767 fi