configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_SUBST(PERL)
  18 AC_PATH_PROG(ENT, ent)
  19 AC_SUBST(ENT)
  20 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24
  25 # System features
  26 AC_SYS_LARGEFILE
  27
  28 if test -z "$AR" ; then
  29         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  30 fi
  31
  32 # Use LOGIN_PROGRAM from environment if possible
  33 if test ! -z "$LOGIN_PROGRAM" ; then
  34         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  35 else
  36         # Search for login
  37         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  38         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  39                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  40         fi
  41 fi
  42
  43 if test -z "$LD" ; then
  44         LD=$CC
  45 fi
  46 AC_SUBST(LD)
  47
  48 AC_C_INLINE
  49 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  50         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  51 fi
  52
  53 # Check for some target-specific stuff
  54 case "$host" in
  55 *-*-aix*)
  56         AFS_LIBS="-lld"
  57         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  58         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  59         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  60                 blibpath="/usr/lib:/lib:/usr/local/lib"
  61         fi
  62         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  63         AC_DEFINE(BROKEN_GETADDRINFO)
  64         dnl AIX handles lastlog as part of its login message
  65         AC_DEFINE(DISABLE_LASTLOG)
  66         ;;
  67 *-*-cygwin*)
  68         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  69         AC_DEFINE(HAVE_CYGWIN)
  70         AC_DEFINE(USE_PIPES)
  71         AC_DEFINE(DISABLE_SHADOW)
  72         AC_DEFINE(IPV4_DEFAULT)
  73         AC_DEFINE(IP_TOS_IS_BROKEN)
  74         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  75         ;;
  76 *-*-dgux*)
  77         AC_DEFINE(IP_TOS_IS_BROKEN)
  78         ;;
  79 *-*-darwin*)
  80         AC_DEFINE(BROKEN_GETADDRINFO)
  81         ;;
  82 *-*-hpux10*)
  83         if test -z "$GCC"; then
  84                 CFLAGS="$CFLAGS -Ae"
  85         fi
  86         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  87         IPADDR_IN_DISPLAY=yes
  88         AC_DEFINE(USE_PIPES)
  89         AC_DEFINE(DISABLE_SHADOW)
  90         AC_DEFINE(DISABLE_UTMP)
  91         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  92         LIBS="$LIBS -lxnet -lsec"
  93         ;;
  94 *-*-hpux11*)
  95         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  96         IPADDR_IN_DISPLAY=yes
  97         AC_DEFINE(PAM_SUN_CODEBASE)
  98         AC_DEFINE(USE_PIPES)
  99         AC_DEFINE(DISABLE_SHADOW)
 100         AC_DEFINE(DISABLE_UTMP)
 101         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 102         LIBS="$LIBS -lxnet -lsec"
 103         ;;
 104 *-*-irix5*)
 105         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 106         LDFLAGS="$LDFLAGS"
 107         PATH="$PATH:/usr/etc"
 108         AC_DEFINE(BROKEN_INET_NTOA)
 109         ;;
 110 *-*-irix6*)
 111         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 112         LDFLAGS="$LDFLAGS"
 113         PATH="$PATH:/usr/etc"
 114         AC_DEFINE(WITH_IRIX_ARRAY)
 115         AC_DEFINE(WITH_IRIX_PROJECT)
 116         AC_DEFINE(WITH_IRIX_AUDIT)
 117         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 118         AC_DEFINE(BROKEN_INET_NTOA)
 119         ;;
 120 *-*-linux*)
 121         no_dev_ptmx=1
 122         check_for_libcrypt_later=1
 123         AC_DEFINE(DONT_TRY_OTHER_AF)
 124         AC_DEFINE(PAM_TTY_KLUDGE)
 125         inet6_default_4in6=yes
 126         ;;
 127 mips-sony-bsd|mips-sony-newsos4)
 128         AC_DEFINE(HAVE_NEWS4)
 129         SONY=1
 130         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 131                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 132         )
 133         ;;
 134 *-*-netbsd*)
 135         need_dash_r=1
 136         ;;
 137 *-*-freebsd*)
 138         check_for_libcrypt_later=1
 139         ;;
 140 *-next-*)
 141         conf_lastlog_location="/usr/adm/lastlog"
 142         conf_utmp_location=/etc/utmp
 143         conf_wtmp_location=/usr/adm/wtmp
 144         MAIL=/usr/spool/mail
 145         AC_DEFINE(HAVE_NEXT)
 146         AC_DEFINE(BROKEN_REALPATH)
 147         AC_DEFINE(USE_PIPES)
 148         AC_DEFINE(BROKEN_SAVED_UIDS)
 149         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 150         CFLAGS="$CFLAGS"
 151         ;;
 152 *-*-solaris*)
 153         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 154         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 155         need_dash_r=1
 156         AC_DEFINE(PAM_SUN_CODEBASE)
 157         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 158         AC_DEFINE(LOGIN_NEEDS_TERM)
 159         AC_DEFINE(PAM_TTY_KLUDGE)
 160         # hardwire lastlog location (can't detect it on some versions)
 161         conf_lastlog_location="/var/adm/lastlog"
 162         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 163         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 164         if test "$sol2ver" -ge 8; then
 165                 AC_MSG_RESULT(yes)
 166                 AC_DEFINE(DISABLE_UTMP)
 167                 AC_DEFINE(DISABLE_WTMP)
 168         else
 169                 AC_MSG_RESULT(no)
 170         fi
 171         ;;
 172 *-*-sunos4*)
 173         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 174         AC_CHECK_FUNCS(getpwanam)
 175         AC_DEFINE(PAM_SUN_CODEBASE)
 176         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 177         conf_utmp_location=/etc/utmp
 178         conf_wtmp_location=/var/adm/wtmp
 179         conf_lastlog_location=/var/adm/lastlog
 180         AC_DEFINE(USE_PIPES)
 181         ;;
 182 *-ncr-sysv*)
 183         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 184         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 185         LIBS="$LIBS -lc89"
 186         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 187         ;;
 188 *-sni-sysv*)
 189         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 190         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 191         IPADDR_IN_DISPLAY=yes
 192         AC_DEFINE(USE_PIPES)
 193         AC_DEFINE(IP_TOS_IS_BROKEN)
 194         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 195         LIBS="$LIBS -lgen -lnsl -lucb"
 196         ;;
 197 *-*-sysv4.2*)
 198         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 199         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 200 #       enable_suid_ssh=no
 201         AC_DEFINE(USE_PIPES)
 202         ;;
 203 *-*-sysv5*)
 204         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 205         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 206 #       enable_suid_ssh=no
 207         AC_DEFINE(USE_PIPES)
 208         ;;
 209 *-*-sysv*)
 210         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 211         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 212         ;;
 213 *-*-sco3.2v4*)
 214         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 215         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 216         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 217         rsh_path="/usr/bin/rcmd"
 218         RANLIB=true
 219         no_dev_ptmx=1
 220         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 221         AC_DEFINE(USE_PIPES)
 222         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 223         AC_DEFINE(DISABLE_SHADOW)
 224         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 225         AC_DEFINE(BROKEN_SAVED_UIDS)
 226         AC_CHECK_FUNCS(getluid setluid)
 227         MANTYPE=man
 228         do_sco3_extra_lib_check=yes
 229         ;;
 230 *-*-sco3.2v5*)
 231         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 232         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 233         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 234         no_dev_ptmx=1
 235         rsh_path="/usr/bin/rcmd"
 236         AC_DEFINE(USE_PIPES)
 237         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 238         AC_DEFINE(DISABLE_SHADOW)
 239         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 240         AC_CHECK_FUNCS(getluid setluid)
 241         MANTYPE=man
 242         ;;
 243 *-*-unicos*)
 244         no_libsocket=1
 245         no_libnsl=1
 246         AC_DEFINE(USE_PIPES)
 247         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 248         LIBS="$LIBS -lgen -lrsc"
 249         ;;
 250 *-dec-osf*)
 251         AC_MSG_CHECKING(for Digital Unix SIA)
 252         no_osfsia=""
 253         AC_ARG_WITH(osfsia,
 254                 [  --with-osfsia           Enable Digital Unix SIA],
 255                 [
 256                         if test "x$withval" = "xno" ; then
 257                                 AC_MSG_RESULT(disabled)
 258                                 no_osfsia=1
 259                         fi
 260                 ],
 261         )
 262         if test -z "$no_osfsia" ; then
 263                 if test -f /etc/sia/matrix.conf; then
 264                         AC_MSG_RESULT(yes)
 265                         AC_DEFINE(HAVE_OSF_SIA)
 266                         AC_DEFINE(DISABLE_LOGIN)
 267                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 268                 else
 269                         AC_MSG_RESULT(no)
 270                 fi
 271         fi
 272         ;;
 273
 274 *-*-nto-qnx)
 275         AC_DEFINE(USE_PIPES)
 276         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 277         AC_DEFINE(MISSING_NFDBITS)
 278         AC_DEFINE(MISSING_HOWMANY)
 279         AC_DEFINE(MISSING_FD_MASK)
 280         ;;
 281 esac
 282
 283 # Allow user to specify flags
 284 AC_ARG_WITH(cflags,
 285         [  --with-cflags           Specify additional flags to pass to compiler],
 286         [
 287                 if test "x$withval" != "xno" ; then
 288                         CFLAGS="$CFLAGS $withval"
 289                 fi
 290         ]
 291 )
 292 AC_ARG_WITH(cppflags,
 293         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 294         [
 295                 if test "x$withval" != "xno"; then
 296                         CPPFLAGS="$CPPFLAGS $withval"
 297                 fi
 298         ]
 299 )
 300 AC_ARG_WITH(ldflags,
 301         [  --with-ldflags          Specify additional flags to pass to linker],
 302         [
 303                 if test "x$withval" != "xno" ; then
 304                         LDFLAGS="$LDFLAGS $withval"
 305                 fi
 306         ]
 307 )
 308 AC_ARG_WITH(libs,
 309         [  --with-libs             Specify additional libraries to link with],
 310         [
 311                 if test "x$withval" != "xno" ; then
 312                         LIBS="$LIBS $withval"
 313                 fi
 314         ]
 315 )
 316
 317 AC_ARG_WITH(pcre,
 318         [  --with-pcre[[=PATH]]      Override built in regex library with pcre
 319                             (optionally in PATH)],
 320         [
 321                 case "$withval" in
 322                 no) ;;
 323                 *)
 324                         if test "x$withval" != "xyes"; then
 325                                 if test -d "$withval/lib"; then
 326                                         if test -n "${need_dash_r}"; then
 327                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 328                                         else
 329                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 330                                         fi
 331                                 else
 332                                         if test -n "${need_dash_r}"; then
 333                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 334                                         else
 335                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 336                                         fi
 337                                 fi
 338                                 if test -d "$withval/include"; then
 339                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 340                                 else
 341                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 342                                 fi
 343                         fi
 344
 345                         AC_CHECK_HEADER(pcreposix.h,
 346                                 AC_CHECK_LIB(pcre, pcre_info,[
 347                                         AC_DEFINE(HAVE_LIBPCRE)
 348                                         LIBS="$LIBS -lpcreposix -lpcre"
 349                                         no_comp_check=yes],
 350                                         AC_MSG_ERROR([*** unable to locate pcre library ***])),
 351                                 AC_MSG_ERROR([*** unable to locate pcreposix.h include file ***]))
 352                         ;;
 353                 esac
 354         ]
 355 )
 356
 357 # Checks for libraries.
 358 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 359 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 360
 361 dnl SCO OS3 needs this for libwrap
 362 if test "x$with_tcp_wrappers" != "xno" ; then
 363     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 364         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 365     fi
 366 fi
 367
 368 AC_CHECK_FUNC(getspnam, ,
 369         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 370 AC_CHECK_FUNC(login, ,
 371         AC_CHECK_LIB(util, login,
 372                 AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil"))
 373
 374 dnl zlib is required
 375 AC_ARG_WITH(zlib,
 376         [  --with-zlib=PATH        Use zlib in PATH],
 377         [
 378                 if test -d "$withval/lib"; then
 379                         if test -n "${need_dash_r}"; then
 380                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 381                         else
 382                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 383                         fi
 384                 else
 385                         if test -n "${need_dash_r}"; then
 386                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 387                         else
 388                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 389                         fi
 390                 fi
 391                 if test -d "$withval/include"; then
 392                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 393                 else
 394                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 395                 fi
 396         ]
 397 )
 398
 399 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 400
 401 # We don't want to check if we did an pcre override.
 402 if test -z "$no_comp_check" ; then
 403         AC_CHECK_FUNC(regcomp,
 404                 [ AC_DEFINE(HAVE_REGCOMP)],
 405                 [
 406                         AC_CHECK_LIB(pcre, pcre_info,
 407                         [
 408                                 AC_DEFINE(HAVE_LIBPCRE)
 409                                 LIBS="$LIBS -lpcreposix -lpcre"
 410                         ],
 411                         [
 412                                 AC_MSG_ERROR([*** No regex library found.])
 413                         ])
 414                 ]
 415         )
 416 fi
 417
 418 dnl UnixWare 2.x
 419 AC_CHECK_FUNC(strcasecmp,
 420         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 421 )
 422 AC_CHECK_FUNC(utimes,
 423         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 424 )
 425
 426 AC_FUNC_STRFTIME
 427
 428 # Checks for header files.
 429 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 430         getopt.h glob.h lastlog.h limits.h login.h \
 431         login_cap.h maillock.h netdb.h netgroup.h \
 432         netinet/in_systm.h paths.h poll.h pty.h regex.h \
 433         security/pam_appl.h shadow.h stddef.h stdint.h \
 434         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 435         sys/poll.h sys/queue.h sys/select.h sys/stat.h \
 436         sys/stropts.h sys/sysmacros.h sys/time.h \
 437         sys/ttcompat.h sys/un.h time.h ttyent.h usersec.h \
 438         util.h utime.h utmp.h utmpx.h)
 439
 440 # Check for ALTDIRFUNC glob() extension
 441 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 442 AC_EGREP_CPP(FOUNDIT,
 443         [
 444                 #include <glob.h>
 445                 #ifdef GLOB_ALTDIRFUNC
 446                 FOUNDIT
 447                 #endif
 448         ],
 449         [
 450                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 451                 AC_MSG_RESULT(yes)
 452         ],
 453         [
 454                 AC_MSG_RESULT(no)
 455         ]
 456 )
 457
 458 # Check for g.gl_matchc glob() extension
 459 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 460 AC_EGREP_CPP(FOUNDIT,
 461         [
 462                 #include <glob.h>
 463                 int main(void){glob_t g; g.gl_matchc = 1;}
 464         ],
 465         [
 466                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 467                 AC_MSG_RESULT(yes)
 468         ],
 469         [
 470                 AC_MSG_RESULT(no)
 471         ]
 472 )
 473
 474 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 475 AC_TRY_RUN(
 476         [
 477 #include <sys/types.h>
 478 #include <dirent.h>
 479 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 480         ],
 481         [AC_MSG_RESULT(yes)],
 482         [
 483                 AC_MSG_RESULT(no)
 484                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 485         ]
 486 )
 487
 488 # Check whether user wants S/Key support
 489 SKEY_MSG="no"
 490 AC_ARG_WITH(skey,
 491         [  --with-skey[[=PATH]]      Enable S/Key support
 492                             (optionally in PATH)],
 493         [
 494                 if test "x$withval" != "xno" ; then
 495
 496                         if test "x$withval" != "xyes" ; then
 497                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 498                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 499                         fi
 500
 501                         AC_DEFINE(SKEY)
 502                         LIBS="-lskey $LIBS"
 503                         SKEY_MSG="yes"
 504
 505                         AC_CHECK_FUNC(skey_keyinfo,
 506                                 [],
 507                                 [
 508                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 509                                 ])
 510                 fi
 511         ]
 512 )
 513
 514 # Check whether user wants TCP wrappers support
 515 TCPW_MSG="no"
 516 AC_ARG_WITH(tcp-wrappers,
 517         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 518                             (optionally in PATH)],
 519         [
 520                 if test "x$withval" != "xno" ; then
 521                         saved_LIBS="$LIBS"
 522                         saved_LDFLAGS="$LDFLAGS"
 523                         saved_CPPFLAGS="$CPPFLAGS"
 524                         if test -n "${withval}" -a "${withval}" != "yes"; then
 525                                 if test -d "${withval}/lib"; then
 526                                         if test -n "${need_dash_r}"; then
 527                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 528                                         else
 529                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 530                                         fi
 531                                 else
 532                                         if test -n "${need_dash_r}"; then
 533                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 534                                         else
 535                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 536                                         fi
 537                                 fi
 538                                 if test -d "${withval}/include"; then
 539                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 540                                 else
 541                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 542                                 fi
 543                         fi
 544                         LIBS="-lwrap $LIBS"
 545                         AC_MSG_CHECKING(for libwrap)
 546                         AC_TRY_LINK(
 547                                 [
 548 #include <tcpd.h>
 549                                         int deny_severity = 0, allow_severity = 0;
 550                                 ],
 551                                 [hosts_access(0);],
 552                                 [
 553                                         AC_MSG_RESULT(yes)
 554                                         AC_DEFINE(LIBWRAP)
 555                                         TCPW_MSG="yes"
 556                                 ],
 557                                 [
 558                                         AC_MSG_ERROR([*** libwrap missing])
 559                                 ]
 560                         )
 561                 fi
 562         ]
 563 )
 564
 565 dnl    Checks for library functions.
 566 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa \
 567         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 568         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 569         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 570         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 571         mkdtemp on_exit openpty readpassphrase realpath \
 572         rresvport_af setdtablesize setegid setenv seteuid \
 573         setlogin setproctitle setresgid setreuid setrlimit \
 574         setsid setvbuf sigaction sigvec snprintf strerror \
 575         strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \
 576         vhangup vsnprintf waitpid __b64_ntop _getpty)
 577
 578 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 579 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 580         AC_CHECK_LIB(gen, dirname,[
 581                 AC_CACHE_CHECK([for broken dirname],
 582                         ac_cv_have_broken_dirname, [
 583                         save_LIBS="$LIBS"
 584                         LIBS="$LIBS -lgen"
 585                         AC_TRY_RUN(
 586                                 [
 587 #include <libgen.h>
 588 #include <string.h>
 589
 590 int main(int argc, char **argv) {
 591     char *s, buf[32];
 592
 593     strncpy(buf,"/etc", 32);
 594     s = dirname(buf);
 595     if (!s || strncmp(s, "/", 32) != 0) {
 596         exit(1);
 597     } else {
 598         exit(0);
 599     }
 600 }
 601                                 ],
 602                                 [ ac_cv_have_broken_dirname="no" ],
 603                                 [ ac_cv_have_broken_dirname="yes" ]
 604                         )
 605                         LIBS="$save_LIBS"
 606                 ])
 607                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 608                         LIBS="$LIBS -lgen"
 609                         AC_DEFINE(HAVE_DIRNAME)
 610                         AC_CHECK_HEADERS(libgen.h)
 611                 fi
 612         ])
 613 ])
 614
 615 dnl    Checks for time functions
 616 AC_CHECK_FUNCS(gettimeofday time)
 617 dnl    Checks for libutil functions
 618 AC_CHECK_HEADERS(libutil.h)
 619 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 620 dnl    Checks for utmp functions
 621 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 622 AC_CHECK_FUNCS(utmpname)
 623 dnl    Checks for utmpx functions
 624 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 625 AC_CHECK_FUNCS(setutxent utmpxname)
 626
 627 AC_CHECK_FUNC(getuserattr,
 628         [AC_DEFINE(HAVE_GETUSERATTR)],
 629         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 630 )
 631
 632 AC_CHECK_FUNC(login,
 633         [AC_DEFINE(HAVE_LOGIN)],
 634         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 635 )
 636
 637 AC_CHECK_FUNC(daemon,
 638         [AC_DEFINE(HAVE_DAEMON)],
 639         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 640 )
 641
 642 AC_CHECK_FUNC(getpagesize,
 643         [AC_DEFINE(HAVE_GETPAGESIZE)],
 644         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 645 )
 646
 647 # Check for broken snprintf
 648 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 649         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 650         AC_TRY_RUN(
 651                 [
 652 #include <stdio.h>
 653 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 654                 ],
 655                 [AC_MSG_RESULT(yes)],
 656                 [
 657                         AC_MSG_RESULT(no)
 658                         AC_DEFINE(BROKEN_SNPRINTF)
 659                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 660                 ]
 661         )
 662 fi
 663
 664 AC_FUNC_GETPGRP
 665
 666 # Check for PAM libs
 667 PAM_MSG="no"
 668 AC_ARG_WITH(pam,
 669         [  --with-pam              Enable PAM support ],
 670         [
 671                 if test "x$withval" != "xno" ; then
 672                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 673                                 AC_MSG_ERROR([PAM headers not found])
 674                         fi
 675
 676                         AC_CHECK_LIB(dl, dlopen, , )
 677                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 678                         AC_CHECK_FUNCS(pam_getenvlist)
 679
 680                         disable_shadow=yes
 681                         PAM_MSG="yes"
 682
 683                         AC_DEFINE(USE_PAM)
 684                 fi
 685         ]
 686 )
 687
 688 # Check for older PAM
 689 if test "x$PAM_MSG" = "xyes" ; then
 690         # Check PAM strerror arguments (old PAM)
 691         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 692         AC_TRY_COMPILE(
 693                 [
 694 #include <stdlib.h>
 695 #include <security/pam_appl.h>
 696                 ],
 697                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 698                 [AC_MSG_RESULT(no)],
 699                 [
 700                         AC_DEFINE(HAVE_OLD_PAM)
 701                         AC_MSG_RESULT(yes)
 702                         PAM_MSG="yes (old library)"
 703                 ]
 704         )
 705 fi
 706
 707 # The big search for OpenSSL
 708 AC_ARG_WITH(ssl-dir,
 709         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 710         [
 711                 if test "x$withval" != "xno" ; then
 712                         tryssldir=$withval
 713                 fi
 714         ]
 715 )
 716
 717 saved_LIBS="$LIBS"
 718 saved_LDFLAGS="$LDFLAGS"
 719 saved_CPPFLAGS="$CPPFLAGS"
 720 if test "x$prefix" != "xNONE" ; then
 721         tryssldir="$tryssldir $prefix"
 722 fi
 723 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 724         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 725                 CPPFLAGS="$saved_CPPFLAGS"
 726                 LDFLAGS="$saved_LDFLAGS"
 727                 LIBS="$saved_LIBS -lcrypto"
 728
 729                 # Skip directories if they don't exist
 730                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 731                         continue;
 732                 fi
 733                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 734                         # Try to use $ssldir/lib if it exists, otherwise
 735                         # $ssldir
 736                         if test -d "$ssldir/lib" ; then
 737                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 738                                 if test ! -z "$need_dash_r" ; then
 739                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 740                                 fi
 741                         else
 742                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 743                                 if test ! -z "$need_dash_r" ; then
 744                                         LDFLAGS="-R$ssldir $LDFLAGS"
 745                                 fi
 746                         fi
 747                         # Try to use $ssldir/include if it exists, otherwise
 748                         # $ssldir
 749                         if test -d "$ssldir/include" ; then
 750                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 751                         else
 752                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 753                         fi
 754                 fi
 755
 756                 # Basic test to check for compatible version and correct linking
 757                 # *does not* test for RSA - that comes later.
 758                 AC_TRY_RUN(
 759                         [
 760 #include <string.h>
 761 #include <openssl/rand.h>
 762 int main(void)
 763 {
 764         char a[2048];
 765         memset(a, 0, sizeof(a));
 766         RAND_add(a, sizeof(a), sizeof(a));
 767         return(RAND_status() <= 0);
 768 }
 769                         ],
 770                         [
 771                                 found_crypto=1
 772                                 break;
 773                         ], []
 774                 )
 775
 776                 if test ! -z "$found_crypto" ; then
 777                         break;
 778                 fi
 779         done
 780
 781         if test -z "$found_crypto" ; then
 782                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 783         fi
 784         if test -z "$ssldir" ; then
 785                 ssldir="(system)"
 786         fi
 787
 788         ac_cv_openssldir=$ssldir
 789 ])
 790
 791 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 792         AC_DEFINE(HAVE_OPENSSL)
 793         dnl Need to recover ssldir - test above runs in subshell
 794         ssldir=$ac_cv_openssldir
 795         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 796                 # Try to use $ssldir/lib if it exists, otherwise
 797                 # $ssldir
 798                 if test -d "$ssldir/lib" ; then
 799                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 800                         if test ! -z "$need_dash_r" ; then
 801                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 802                         fi
 803                 else
 804                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 805                         if test ! -z "$need_dash_r" ; then
 806                                 LDFLAGS="-R$ssldir $LDFLAGS"
 807                         fi
 808                 fi
 809                 # Try to use $ssldir/include if it exists, otherwise
 810                 # $ssldir
 811                 if test -d "$ssldir/include" ; then
 812                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 813                 else
 814                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 815                 fi
 816         fi
 817 fi
 818 LIBS="$saved_LIBS -lcrypto"
 819
 820 # Now test RSA support
 821 saved_LIBS="$LIBS"
 822 AC_MSG_CHECKING([for RSA support])
 823 for WANTS_RSAREF in "" 1 ; do
 824         if test -z "$WANTS_RSAREF" ; then
 825                 LIBS="$saved_LIBS"
 826         else
 827                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 828         fi
 829         AC_TRY_RUN([
 830 #include <string.h>
 831 #include <openssl/rand.h>
 832 #include <openssl/rsa.h>
 833 #include <openssl/bn.h>
 834 #include <openssl/sha.h>
 835 int main(void)
 836 {
 837         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 838         unsigned char c[256], p[256];
 839         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 840         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 841         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 842         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 843 }
 844         ],
 845         [
 846                 rsa_works=1
 847                 break;
 848         ], [])
 849 done
 850 LIBS="$saved_LIBS"
 851
 852 if test ! -z "$no_rsa" ; then
 853         AC_MSG_RESULT(disabled)
 854         RSA_MSG="disabled"
 855 else
 856         if test -z "$rsa_works" ; then
 857                 AC_MSG_WARN([*** No RSA support found *** ])
 858                 RSA_MSG="no"
 859         else
 860                 if test -z "$WANTS_RSAREF" ; then
 861                         AC_MSG_RESULT(yes)
 862                         RSA_MSG="yes"
 863                 else
 864                         RSA_MSG="yes (using RSAref)"
 865                         AC_MSG_RESULT(using RSAref)
 866                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 867                 fi
 868         fi
 869 fi
 870
 871 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 872 # version in OpenSSL. Skip this for PAM
 873 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 874         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 875 fi
 876
 877 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 878 if test ! -z "$SONY" ; then
 879   LIBS="$LIBS -liberty";
 880 fi
 881
 882 # Checks for data types
 883 AC_CHECK_SIZEOF(char, 1)
 884 AC_CHECK_SIZEOF(short int, 2)
 885 AC_CHECK_SIZEOF(int, 4)
 886 AC_CHECK_SIZEOF(long int, 4)
 887 AC_CHECK_SIZEOF(long long int, 8)
 888
 889 # More checks for data types
 890 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 891         AC_TRY_COMPILE(
 892                 [ #include <sys/types.h> ],
 893                 [ u_int a; a = 1;],
 894                 [ ac_cv_have_u_int="yes" ],
 895                 [ ac_cv_have_u_int="no" ]
 896         )
 897 ])
 898 if test "x$ac_cv_have_u_int" = "xyes" ; then
 899         AC_DEFINE(HAVE_U_INT)
 900         have_u_int=1
 901 fi
 902
 903 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 904         AC_TRY_COMPILE(
 905                 [ #include <sys/types.h> ],
 906                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 907                 [ ac_cv_have_intxx_t="yes" ],
 908                 [ ac_cv_have_intxx_t="no" ]
 909         )
 910 ])
 911 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 912         AC_DEFINE(HAVE_INTXX_T)
 913         have_intxx_t=1
 914 fi
 915
 916 if (test -z "$have_intxx_t" && \
 917            test "x$ac_cv_header_stdint_h" = "xyes")
 918 then
 919     AC_MSG_CHECKING([for intXX_t types in stdint.h])
 920         AC_TRY_COMPILE(
 921                 [ #include <stdint.h> ],
 922                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 923                 [
 924                         AC_DEFINE(HAVE_INTXX_T)
 925                         AC_MSG_RESULT(yes)
 926                 ],
 927                 [ AC_MSG_RESULT(no) ]
 928         )
 929 fi
 930
 931 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 932         AC_TRY_COMPILE(
 933                 [ #include <sys/types.h> ],
 934                 [ int64_t a; a = 1;],
 935                 [ ac_cv_have_int64_t="yes" ],
 936                 [ ac_cv_have_int64_t="no" ]
 937         )
 938 ])
 939 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 940         AC_DEFINE(HAVE_INT64_T)
 941         have_int64_t=1
 942 fi
 943
 944 if test -z "$have_int64_t" ; then
 945     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
 946         AC_TRY_COMPILE(
 947                 [ #include <sys/socket.h> ],
 948                 [ int64_t a; a = 1],
 949                 [
 950                         AC_DEFINE(HAVE_INT64_T)
 951                         AC_MSG_RESULT(yes)
 952                 ],
 953                 [ AC_MSG_RESULT(no) ]
 954         )
 955 fi
 956
 957 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 958         AC_TRY_COMPILE(
 959                 [ #include <sys/types.h> ],
 960                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 961                 [ ac_cv_have_u_intxx_t="yes" ],
 962                 [ ac_cv_have_u_intxx_t="no" ]
 963         )
 964 ])
 965 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 966         AC_DEFINE(HAVE_U_INTXX_T)
 967         have_u_intxx_t=1
 968 fi
 969
 970 if test -z "$have_u_intxx_t" ; then
 971     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
 972         AC_TRY_COMPILE(
 973                 [ #include <sys/socket.h> ],
 974                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 975                 [
 976                         AC_DEFINE(HAVE_U_INTXX_T)
 977                         AC_MSG_RESULT(yes)
 978                 ],
 979                 [ AC_MSG_RESULT(no) ]
 980         )
 981 fi
 982
 983 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 984         AC_TRY_COMPILE(
 985                 [ #include <sys/types.h> ],
 986                 [ u_int64_t a; a = 1;],
 987                 [ ac_cv_have_u_int64_t="yes" ],
 988                 [ ac_cv_have_u_int64_t="no" ]
 989         )
 990 ])
 991 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 992         AC_DEFINE(HAVE_U_INT64_T)
 993         have_u_int64_t=1
 994 fi
 995
 996 if test -z "$have_u_intxx_t" ; then
 997         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 998                 AC_TRY_COMPILE(
 999                         [
1000 #include <sys/types.h>
1001                         ],
1002                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1003                         [ ac_cv_have_uintxx_t="yes" ],
1004                         [ ac_cv_have_uintxx_t="no" ]
1005                 )
1006         ])
1007         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1008                 AC_DEFINE(HAVE_UINTXX_T)
1009         fi
1010 fi
1011
1012 if test -z "$have_uintxx_t" ; then
1013     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1014         AC_TRY_COMPILE(
1015                 [ #include <stdint.h> ],
1016                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1017                 [
1018                         AC_DEFINE(HAVE_UINTXX_T)
1019                         AC_MSG_RESULT(yes)
1020                 ],
1021                 [ AC_MSG_RESULT(no) ]
1022         )
1023 fi
1024
1025 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1026            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1027 then
1028         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1029         AC_TRY_COMPILE(
1030                 [
1031 #include <sys/bitypes.h>
1032                 ],
1033                 [
1034                         int8_t a; int16_t b; int32_t c;
1035                         u_int8_t e; u_int16_t f; u_int32_t g;
1036                         a = b = c = e = f = g = 1;
1037                 ],
1038                 [
1039                         AC_DEFINE(HAVE_U_INTXX_T)
1040                         AC_DEFINE(HAVE_INTXX_T)
1041                         AC_MSG_RESULT(yes)
1042                 ],
1043                 [AC_MSG_RESULT(no)]
1044         )
1045 fi
1046
1047
1048 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1049         AC_TRY_COMPILE(
1050                 [
1051 #include <sys/types.h>
1052                 ],
1053                 [ u_char foo; foo = 125; ],
1054                 [ ac_cv_have_u_char="yes" ],
1055                 [ ac_cv_have_u_char="no" ]
1056         )
1057 ])
1058 if test "x$ac_cv_have_u_char" = "xyes" ; then
1059         AC_DEFINE(HAVE_U_CHAR)
1060 fi
1061
1062 TYPE_SOCKLEN_T
1063
1064 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1065         AC_TRY_COMPILE(
1066                 [
1067 #include <sys/types.h>
1068                 ],
1069                 [ size_t foo; foo = 1235; ],
1070                 [ ac_cv_have_size_t="yes" ],
1071                 [ ac_cv_have_size_t="no" ]
1072         )
1073 ])
1074 if test "x$ac_cv_have_size_t" = "xyes" ; then
1075         AC_DEFINE(HAVE_SIZE_T)
1076 fi
1077
1078 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1079         AC_TRY_COMPILE(
1080                 [
1081 #include <sys/types.h>
1082                 ],
1083                 [ ssize_t foo; foo = 1235; ],
1084                 [ ac_cv_have_ssize_t="yes" ],
1085                 [ ac_cv_have_ssize_t="no" ]
1086         )
1087 ])
1088 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1089         AC_DEFINE(HAVE_SSIZE_T)
1090 fi
1091
1092 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1093         AC_TRY_COMPILE(
1094                 [
1095 #include <time.h>
1096                 ],
1097                 [ clock_t foo; foo = 1235; ],
1098                 [ ac_cv_have_clock_t="yes" ],
1099                 [ ac_cv_have_clock_t="no" ]
1100         )
1101 ])
1102 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1103         AC_DEFINE(HAVE_CLOCK_T)
1104 fi
1105
1106 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1107         AC_TRY_COMPILE(
1108                 [
1109 #include <sys/types.h>
1110 #include <sys/socket.h>
1111                 ],
1112                 [ sa_family_t foo; foo = 1235; ],
1113                 [ ac_cv_have_sa_family_t="yes" ],
1114                 [ AC_TRY_COMPILE(
1115                   [
1116 #include <sys/types.h>
1117 #include <sys/socket.h>
1118 #include <netinet/in.h>
1119                 ],
1120                 [ sa_family_t foo; foo = 1235; ],
1121                 [ ac_cv_have_sa_family_t="yes" ],
1122
1123                 [ ac_cv_have_sa_family_t="no" ]
1124         )]
1125         )
1126 ])
1127 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1128         AC_DEFINE(HAVE_SA_FAMILY_T)
1129 fi
1130
1131 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1132         AC_TRY_COMPILE(
1133                 [
1134 #include <sys/types.h>
1135                 ],
1136                 [ pid_t foo; foo = 1235; ],
1137                 [ ac_cv_have_pid_t="yes" ],
1138                 [ ac_cv_have_pid_t="no" ]
1139         )
1140 ])
1141 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1142         AC_DEFINE(HAVE_PID_T)
1143 fi
1144
1145 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1146         AC_TRY_COMPILE(
1147                 [
1148 #include <sys/types.h>
1149                 ],
1150                 [ mode_t foo; foo = 1235; ],
1151                 [ ac_cv_have_mode_t="yes" ],
1152                 [ ac_cv_have_mode_t="no" ]
1153         )
1154 ])
1155 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1156         AC_DEFINE(HAVE_MODE_T)
1157 fi
1158
1159
1160 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1161         AC_TRY_COMPILE(
1162                 [
1163 #include <sys/types.h>
1164 #include <sys/socket.h>
1165                 ],
1166                 [ struct sockaddr_storage s; ],
1167                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1168                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1169         )
1170 ])
1171 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1172         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1173 fi
1174
1175 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1176         AC_TRY_COMPILE(
1177                 [
1178 #include <sys/types.h>
1179 #include <netinet/in.h>
1180                 ],
1181                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1182                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1183                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1184         )
1185 ])
1186 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1187         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1188 fi
1189
1190 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1191         AC_TRY_COMPILE(
1192                 [
1193 #include <sys/types.h>
1194 #include <netinet/in.h>
1195                 ],
1196                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1197                 [ ac_cv_have_struct_in6_addr="yes" ],
1198                 [ ac_cv_have_struct_in6_addr="no" ]
1199         )
1200 ])
1201 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1202         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1203 fi
1204
1205 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1206         AC_TRY_COMPILE(
1207                 [
1208 #include <sys/types.h>
1209 #include <sys/socket.h>
1210 #include <netdb.h>
1211                 ],
1212                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1213                 [ ac_cv_have_struct_addrinfo="yes" ],
1214                 [ ac_cv_have_struct_addrinfo="no" ]
1215         )
1216 ])
1217 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1218         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1219 fi
1220
1221 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1222         AC_TRY_COMPILE(
1223                 [ #include <sys/time.h> ],
1224                 [ struct timeval tv; tv.tv_sec = 1;],
1225                 [ ac_cv_have_struct_timeval="yes" ],
1226                 [ ac_cv_have_struct_timeval="no" ]
1227         )
1228 ])
1229 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1230         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1231         have_struct_timeval=1
1232 fi
1233
1234 # If we don't have int64_t then we can't compile sftp-server.  So don't
1235 # even attempt to do it.
1236 if test "x$ac_cv_have_int64_t" = "xno" -a \
1237         "x$ac_cv_sizeof_long_int" != "x8" -a \
1238         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1239         NO_SFTP='#'
1240 else
1241 dnl test snprintf (broken on SCO w/gcc)
1242         AC_TRY_RUN(
1243                 [
1244 #include <stdio.h>
1245 #include <string.h>
1246 #ifdef HAVE_SNPRINTF
1247 main()
1248 {
1249         char buf[50];
1250         char expected_out[50];
1251         int mazsize = 50 ;
1252 #if (SIZEOF_LONG_INT == 8)
1253         long int num = 0x7fffffffffffffff;
1254 #else
1255         long long num = 0x7fffffffffffffffll;
1256 #endif
1257         strcpy(expected_out, "9223372036854775807");
1258         snprintf(buf, mazsize, "%lld", num);
1259         if(strcmp(buf, expected_out) != 0)
1260                 exit(1);
1261         exit(0);
1262 }
1263 #else
1264 main() { exit(0); }
1265 #endif
1266                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1267         )
1268 fi
1269 AC_SUBST(NO_SFTP)
1270
1271 dnl Checks for structure members
1272 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1273 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1274 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1275 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1276 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1277 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1278 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1279 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1280 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1281 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1282 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1283 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1284 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1285 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1286 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1287 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1288 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1289
1290 AC_CHECK_MEMBERS([struct stat.st_blksize])
1291
1292 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1293                 ac_cv_have_ss_family_in_struct_ss, [
1294         AC_TRY_COMPILE(
1295                 [
1296 #include <sys/types.h>
1297 #include <sys/socket.h>
1298                 ],
1299                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1300                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1301                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1302         )
1303 ])
1304 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1305         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1306 fi
1307
1308 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1309                 ac_cv_have___ss_family_in_struct_ss, [
1310         AC_TRY_COMPILE(
1311                 [
1312 #include <sys/types.h>
1313 #include <sys/socket.h>
1314                 ],
1315                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1316                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1317                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1318         )
1319 ])
1320 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1321         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1322 fi
1323
1324 AC_CACHE_CHECK([for pw_class field in struct passwd],
1325                 ac_cv_have_pw_class_in_struct_passwd, [
1326         AC_TRY_COMPILE(
1327                 [
1328 #include <pwd.h>
1329                 ],
1330                 [ struct passwd p; p.pw_class = 0; ],
1331                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1332                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1333         )
1334 ])
1335 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1336         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1337 fi
1338
1339 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1340                 ac_cv_have_pw_expire_in_struct_passwd, [
1341         AC_TRY_COMPILE(
1342                 [
1343 #include <pwd.h>
1344                 ],
1345                 [ struct passwd p; p.pw_expire = 0; ],
1346                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1347                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1348         )
1349 ])
1350 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1351         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1352 fi
1353
1354 AC_CACHE_CHECK([for pw_change field in struct passwd],
1355                 ac_cv_have_pw_change_in_struct_passwd, [
1356         AC_TRY_COMPILE(
1357                 [
1358 #include <pwd.h>
1359                 ],
1360                 [ struct passwd p; p.pw_change = 0; ],
1361                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1362                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1363         )
1364 ])
1365 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1366         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1367 fi
1368
1369 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1370         AC_TRY_LINK([],
1371                 [ extern char *__progname; printf("%s", __progname); ],
1372                 [ ac_cv_libc_defines___progname="yes" ],
1373                 [ ac_cv_libc_defines___progname="no" ]
1374         )
1375 ])
1376 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1377         AC_DEFINE(HAVE___PROGNAME)
1378 fi
1379
1380 AC_CACHE_CHECK([whether getopt has optreset support],
1381                 ac_cv_have_getopt_optreset, [
1382         AC_TRY_LINK(
1383                 [
1384 #include <getopt.h>
1385                 ],
1386                 [ extern int optreset; optreset = 0; ],
1387                 [ ac_cv_have_getopt_optreset="yes" ],
1388                 [ ac_cv_have_getopt_optreset="no" ]
1389         )
1390 ])
1391 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1392         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1393 fi
1394
1395 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1396         AC_TRY_LINK([],
1397                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1398                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1399                 [ ac_cv_libc_defines_sys_errlist="no" ]
1400         )
1401 ])
1402 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1403         AC_DEFINE(HAVE_SYS_ERRLIST)
1404 fi
1405
1406
1407 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1408         AC_TRY_LINK([],
1409                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1410                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1411                 [ ac_cv_libc_defines_sys_nerr="no" ]
1412         )
1413 ])
1414 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1415         AC_DEFINE(HAVE_SYS_NERR)
1416 fi
1417
1418
1419 # Check whether user wants Kerberos support
1420 SCARD_MSG="no"
1421 AC_ARG_WITH(smartcard,
1422         [  --with-smartcard        Enable smartcard support],
1423         [
1424                 if test "x$withval" != "xno" ; then
1425                         if test "x$withval" != "xyes" ; then
1426                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1427                                 LDFLAGS="$LDFLAGS -L${withval}"
1428                                 if test ! -z "$need_dash_r" ; then
1429                                         LDFLAGS="$LDFLAGS -R${withval}"
1430                                 fi
1431                                 if test ! -z "$blibpath" ; then
1432                                         blibpath="$blibpath:${withval}"
1433                                 fi
1434                         fi
1435                         AC_CHECK_HEADERS(sectok.h)
1436                         if test "$ac_cv_header_sectok_h" != yes; then
1437                                 AC_MSG_ERROR(Can't find sectok.h)
1438                         fi
1439                         AC_CHECK_LIB(sectok, sectok_open)
1440                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1441                                 AC_MSG_ERROR(Can't find libsectok)
1442                         fi
1443                         AC_DEFINE(SMARTCARD)
1444                         SCARD_MSG="yes"
1445                 fi
1446         ]
1447 )
1448
1449 # Check whether user wants Kerberos support
1450 KRB4_MSG="no"
1451 AC_ARG_WITH(kerberos4,
1452         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1453         [
1454                 if test "x$withval" != "xno" ; then
1455                         if test "x$withval" != "xyes" ; then
1456                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1457                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1458                                 if test ! -z "$need_dash_r" ; then
1459                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1460                                 fi
1461                                 if test ! -z "$blibpath" ; then
1462                                         blibpath="$blibpath:${withval}/lib"
1463                                 fi
1464                         else
1465                                 if test -d /usr/include/kerberosIV ; then
1466                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1467                                 fi
1468                         fi
1469
1470                         AC_CHECK_HEADERS(krb.h)
1471                         if test "$ac_cv_header_krb_h" != yes; then
1472                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1473                         fi
1474                         AC_CHECK_LIB(krb, main)
1475                         if test "$ac_cv_lib_krb_main" != yes; then
1476                                 AC_CHECK_LIB(krb4, main)
1477                                 if test "$ac_cv_lib_krb4_main" != yes; then
1478                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1479                                 else
1480                                         KLIBS="-lkrb4"
1481                                 fi
1482                         else
1483                                 KLIBS="-lkrb"
1484                         fi
1485                         AC_CHECK_LIB(des, des_cbc_encrypt)
1486                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1487                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1488                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1489                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1490                                 else
1491                                         KLIBS="-ldes425"
1492                                 fi
1493                         else
1494                                 KLIBS="-ldes"
1495                         fi
1496                         AC_CHECK_LIB(resolv, dn_expand, , )
1497                         KRB4=yes
1498                         KRB4_MSG="yes"
1499                         AC_DEFINE(KRB4)
1500                 fi
1501         ]
1502 )
1503
1504 # Check whether user wants AFS support
1505 AFS_MSG="no"
1506 AC_ARG_WITH(afs,
1507         [  --with-afs=PATH         Enable AFS support],
1508         [
1509                 if test "x$withval" != "xno" ; then
1510
1511                         if test "x$withval" != "xyes" ; then
1512                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1513                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1514                         fi
1515
1516                         if test -z "$KRB4" ; then
1517                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1518                         fi
1519
1520                         LIBS="-lkafs $LIBS"
1521                         if test ! -z "$AFS_LIBS" ; then
1522                                 LIBS="$LIBS $AFS_LIBS"
1523                         fi
1524                         AC_DEFINE(AFS)
1525                         AFS_MSG="yes"
1526                 fi
1527         ]
1528 )
1529 LIBS="$LIBS $KLIBS"
1530
1531 # Looking for programs, paths and files
1532 AC_ARG_WITH(rsh,
1533         [  --with-rsh=PATH         Specify path to remote shell program ],
1534         [
1535                 if test "x$withval" != "$no" ; then
1536                         rsh_path=$withval
1537                 fi
1538         ],
1539         [
1540                 AC_PATH_PROG(rsh_path, rsh)
1541         ]
1542 )
1543
1544 AC_ARG_WITH(xauth,
1545         [  --with-xauth=PATH       Specify path to xauth program ],
1546         [
1547                 if test "x$withval" != "xno" ; then
1548                         xauth_path=$withval
1549                 fi
1550         ],
1551         [
1552                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1553                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1554                         xauth_path="/usr/openwin/bin/xauth"
1555                 fi
1556         ]
1557 )
1558
1559 if test -z "$xauth_path" ; then
1560         XAUTH_PATH="undefined"
1561         AC_SUBST(XAUTH_PATH)
1562 else
1563         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1564         XAUTH_PATH=$xauth_path
1565         AC_SUBST(XAUTH_PATH)
1566 fi
1567 if test ! -z "$rsh_path" ; then
1568         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1569 fi
1570
1571 # Check for mail directory (last resort if we cannot get it from headers)
1572 if test ! -z "$MAIL" ; then
1573         maildir=`dirname $MAIL`
1574         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1575 fi
1576
1577 if test -z "$no_dev_ptmx" ; then
1578         AC_CHECK_FILE("/dev/ptmx",
1579                 [
1580                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1581                         have_dev_ptmx=1
1582                 ]
1583         )
1584 fi
1585 AC_CHECK_FILE("/dev/ptc",
1586         [
1587                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1588                 have_dev_ptc=1
1589         ]
1590 )
1591
1592 # Options from here on. Some of these are preset by platform above
1593
1594 # Check for user-specified random device, otherwise check /dev/urandom
1595 AC_ARG_WITH(random,
1596         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1597         [
1598                 if test "x$withval" != "xno" ; then
1599                         RANDOM_POOL="$withval";
1600                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1601                 fi
1602         ],
1603         [
1604                 # Check for random device
1605                 AC_CHECK_FILE("/dev/urandom",
1606                         [
1607                                 RANDOM_POOL="/dev/urandom";
1608                                 AC_SUBST(RANDOM_POOL)
1609                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1610                         ]
1611                 )
1612         ]
1613 )
1614
1615 # Check for PRNGD/EGD pool file
1616 AC_ARG_WITH(prngd-port,
1617         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1618         [
1619                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1620                         PRNGD_PORT="$withval"
1621                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1622                 fi
1623         ]
1624 )
1625
1626 # Check for PRNGD/EGD pool file
1627 AC_ARG_WITH(prngd-socket,
1628         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1629         [
1630                 if test "x$withval" != "xno" ; then
1631                         PRNGD_SOCKET="$withval"
1632                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1633                 fi
1634         ],
1635         [
1636                 # Check for existing socket only if we don't have a random device already
1637                 if test -z "$RANDOM_POOL" ; then
1638                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1639                         # Insert other locations here
1640                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1641                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1642                                         PRNGD_SOCKET="$sock"
1643                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1644                                         break;
1645                                 fi
1646                         done
1647                         if test ! -z "$PRNGD_SOCKET" ; then
1648                                 AC_MSG_RESULT($PRNGD_SOCKET)
1649                         else
1650                                 AC_MSG_RESULT(not found)
1651                         fi
1652                 fi
1653         ]
1654 )
1655
1656
1657 # detect pathnames for entropy gathering commands, if we need them
1658 INSTALL_SSH_PRNG_CMDS=""
1659 rm -f prng_commands
1660 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1661         # Use these commands to collect entropy
1662         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1663         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1664         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1665         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1666         OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1667         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1668         OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1669         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1670         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1671         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1672         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1673         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1674         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1675         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1676         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1677         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1678
1679         INSTALL_SSH_PRNG_CMDS="yes"
1680 fi
1681 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1682
1683
1684 AC_ARG_WITH(mantype,
1685         [  --with-mantype=man|cat|doc  Set man page type],
1686         [
1687                 case "$withval" in
1688                 man|cat|doc)
1689                         MANTYPE=$withval
1690                         ;;
1691                 *)
1692                         AC_MSG_ERROR(invalid man type: $withval)
1693                         ;;
1694                 esac
1695         ]
1696 )
1697 if test -z "$MANTYPE"; then
1698         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1699         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1700                 MANTYPE=doc
1701         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1702                 MANTYPE=man
1703         else
1704                 MANTYPE=cat
1705         fi
1706 fi
1707 AC_SUBST(MANTYPE)
1708 if test "$MANTYPE" = "doc"; then
1709         mansubdir=man;
1710 else
1711         mansubdir=$MANTYPE;
1712 fi
1713 AC_SUBST(mansubdir)
1714
1715 # Check whether to enable MD5 passwords
1716 MD5_MSG="no"
1717 AC_ARG_WITH(md5-passwords,
1718         [  --with-md5-passwords    Enable use of MD5 passwords],
1719         [
1720                 if test "x$withval" != "xno" ; then
1721                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1722                         MD5_MSG="yes"
1723                 fi
1724         ]
1725 )
1726
1727 # Whether to disable shadow password support
1728 AC_ARG_WITH(shadow,
1729         [  --without-shadow        Disable shadow password support],
1730         [
1731                 if test "x$withval" = "xno" ; then
1732                         AC_DEFINE(DISABLE_SHADOW)
1733                         disable_shadow=yes
1734                 fi
1735         ]
1736 )
1737
1738 if test -z "$disable_shadow" ; then
1739         AC_MSG_CHECKING([if the systems has expire shadow information])
1740         AC_TRY_COMPILE(
1741         [
1742 #include <sys/types.h>
1743 #include <shadow.h>
1744         struct spwd sp;
1745         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1746         [ sp_expire_available=yes ], []
1747         )
1748
1749         if test "x$sp_expire_available" = "xyes" ; then
1750                 AC_MSG_RESULT(yes)
1751                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1752         else
1753                 AC_MSG_RESULT(no)
1754         fi
1755 fi
1756
1757 # Use ip address instead of hostname in $DISPLAY
1758 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1759         DISPLAY_HACK_MSG="yes"
1760         AC_DEFINE(IPADDR_IN_DISPLAY)
1761 else
1762         DISPLAY_HACK_MSG="no"
1763         AC_ARG_WITH(ipaddr-display,
1764                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1765                 [
1766                         if test "x$withval" != "xno" ; then
1767                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1768                                 DISPLAY_HACK_MSG="yes"
1769                         fi
1770                 ]
1771         )
1772 fi
1773
1774 # Whether to mess with the default path
1775 SERVER_PATH_MSG="(default)"
1776 AC_ARG_WITH(default-path,
1777         [  --with-default-path=PATH Specify default \$PATH environment for server],
1778         [
1779                 if test "x$withval" != "xno" ; then
1780                         user_path="$withval"
1781                         SERVER_PATH_MSG="$withval"
1782                 fi
1783         ],
1784         [
1785         AC_TRY_RUN(
1786                 [
1787 /* find out what STDPATH is */
1788 #include <stdio.h>
1789 #ifdef HAVE_PATHS_H
1790 # include <paths.h>
1791 #endif
1792 #ifndef _PATH_STDPATH
1793 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1794 #endif
1795 #include <sys/types.h>
1796 #include <sys/stat.h>
1797 #include <fcntl.h>
1798 #define DATA "conftest.stdpath"
1799
1800 main()
1801 {
1802         FILE *fd;
1803         int rc;
1804
1805         fd = fopen(DATA,"w");
1806         if(fd == NULL)
1807                 exit(1);
1808
1809         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1810                 exit(1);
1811
1812         exit(0);
1813 }
1814                 ], [ user_path=`cat conftest.stdpath` ],
1815                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1816                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1817         )
1818 # make sure $bindir is in USER_PATH so scp will work
1819                 t_bindir=`eval echo ${bindir}`
1820                 case $t_bindir in
1821                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1822                 esac
1823                 case $t_bindir in
1824                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1825                 esac
1826                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1827                 if test $? -ne 0  ; then
1828                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1829                         if test $? -ne 0  ; then
1830                                 user_path=$user_path:$t_bindir
1831                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1832                         fi
1833                 fi
1834         ]
1835 )
1836 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1837 AC_SUBST(user_path)
1838
1839 # Whether to force IPv4 by default (needed on broken glibc Linux)
1840 IPV4_HACK_MSG="no"
1841 AC_ARG_WITH(ipv4-default,
1842         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1843         [
1844                 if test "x$withval" != "xno" ; then
1845                         AC_DEFINE(IPV4_DEFAULT)
1846                         IPV4_HACK_MSG="yes"
1847                 fi
1848         ]
1849 )
1850
1851 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1852 IPV4_IN6_HACK_MSG="no"
1853 AC_ARG_WITH(4in6,
1854         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1855         [
1856                 if test "x$withval" != "xno" ; then
1857                         AC_MSG_RESULT(yes)
1858                         AC_DEFINE(IPV4_IN_IPV6)
1859                         IPV4_IN6_HACK_MSG="yes"
1860                 else
1861                         AC_MSG_RESULT(no)
1862                 fi
1863         ],[
1864                 if test "x$inet6_default_4in6" = "xyes"; then
1865                         AC_MSG_RESULT([yes (default)])
1866                         AC_DEFINE(IPV4_IN_IPV6)
1867                         IPV4_IN6_HACK_MSG="yes"
1868                 else
1869                         AC_MSG_RESULT([no (default)])
1870                 fi
1871         ]
1872 )
1873
1874 # Whether to enable BSD auth support
1875 AC_ARG_WITH(bsd-auth,
1876         [  --with-bsd-auth         Enable BSD auth support],
1877         [
1878                 if test "x$withval" != "xno" ; then
1879                         AC_DEFINE(BSD_AUTH)
1880                         bsd_auth=yes
1881                 fi
1882         ]
1883 )
1884
1885 AC_MSG_CHECKING(whether to install ssh as suid root)
1886 AC_ARG_ENABLE(suid-ssh,
1887 [  --enable-suid-ssh       Install ssh as suid root (default)
1888   --disable-suid-ssh      Install ssh without suid bit],
1889 [ case "$enableval" in
1890   no)
1891        AC_MSG_RESULT(no)
1892        SSHMODE=0711
1893        ;;
1894   *)   AC_MSG_RESULT(yes)
1895        SSHMODE=4711
1896        ;;
1897   esac ],
1898   AC_MSG_RESULT(yes)
1899   SSHMODE=4711
1900 )
1901 AC_SUBST(SSHMODE)
1902
1903
1904 # Where to place sshd.pid
1905 piddir=/var/run
1906 AC_ARG_WITH(pid-dir,
1907         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1908         [
1909                 if test "x$withval" != "xno" ; then
1910                         piddir=$withval
1911                 fi
1912         ]
1913 )
1914
1915 # make sure the directory exists
1916 if test ! -d $piddir ; then
1917         piddir=`eval echo ${sysconfdir}`
1918         case $piddir in
1919                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1920         esac
1921 fi
1922
1923 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1924 AC_SUBST(piddir)
1925
1926 dnl allow user to disable some login recording features
1927 AC_ARG_ENABLE(lastlog,
1928         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1929         [ AC_DEFINE(DISABLE_LASTLOG) ]
1930 )
1931 AC_ARG_ENABLE(utmp,
1932         [  --disable-utmp          disable use of utmp even if detected [no]],
1933         [ AC_DEFINE(DISABLE_UTMP) ]
1934 )
1935 AC_ARG_ENABLE(utmpx,
1936         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1937         [ AC_DEFINE(DISABLE_UTMPX) ]
1938 )
1939 AC_ARG_ENABLE(wtmp,
1940         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1941         [ AC_DEFINE(DISABLE_WTMP) ]
1942 )
1943 AC_ARG_ENABLE(wtmpx,
1944         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1945         [ AC_DEFINE(DISABLE_WTMPX) ]
1946 )
1947 AC_ARG_ENABLE(libutil,
1948         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1949         [ AC_DEFINE(DISABLE_LOGIN) ]
1950 )
1951 AC_ARG_ENABLE(pututline,
1952         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1953         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1954 )
1955 AC_ARG_ENABLE(pututxline,
1956         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1957         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1958 )
1959 AC_ARG_WITH(lastlog,
1960   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1961         [
1962                 if test "x$withval" = "xno" ; then
1963                         AC_DEFINE(DISABLE_LASTLOG)
1964                 else
1965                         conf_lastlog_location=$withval
1966                 fi
1967         ]
1968 )
1969
1970 dnl lastlog, [uw]tmpx? detection
1971 dnl  NOTE: set the paths in the platform section to avoid the
1972 dnl   need for command-line parameters
1973 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1974
1975 dnl lastlog detection
1976 dnl  NOTE: the code itself will detect if lastlog is a directory
1977 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1978 AC_TRY_COMPILE([
1979 #include <sys/types.h>
1980 #include <utmp.h>
1981 #ifdef HAVE_LASTLOG_H
1982 #  include <lastlog.h>
1983 #endif
1984 #ifdef HAVE_PATHS_H
1985 #  include <paths.h>
1986 #endif
1987 #ifdef HAVE_LOGIN_H
1988 # include <login.h>
1989 #endif
1990         ],
1991         [ char *lastlog = LASTLOG_FILE; ],
1992         [ AC_MSG_RESULT(yes) ],
1993         [
1994                 AC_MSG_RESULT(no)
1995                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1996                 AC_TRY_COMPILE([
1997 #include <sys/types.h>
1998 #include <utmp.h>
1999 #ifdef HAVE_LASTLOG_H
2000 #  include <lastlog.h>
2001 #endif
2002 #ifdef HAVE_PATHS_H
2003 #  include <paths.h>
2004 #endif
2005                 ],
2006                 [ char *lastlog = _PATH_LASTLOG; ],
2007                 [ AC_MSG_RESULT(yes) ],
2008                 [
2009                         AC_MSG_RESULT(no)
2010                         system_lastlog_path=no
2011                 ])
2012         ]
2013 )
2014
2015 if test -z "$conf_lastlog_location"; then
2016         if test x"$system_lastlog_path" = x"no" ; then
2017                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2018                                 if (test -d "$f" || test -f "$f") ; then
2019                                         conf_lastlog_location=$f
2020                                 fi
2021                 done
2022                 if test -z "$conf_lastlog_location"; then
2023                         AC_MSG_WARN([** Cannot find lastlog **])
2024                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2025                 fi
2026         fi
2027 fi
2028
2029 if test -n "$conf_lastlog_location"; then
2030         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2031 fi
2032
2033 dnl utmp detection
2034 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2035 AC_TRY_COMPILE([
2036 #include <sys/types.h>
2037 #include <utmp.h>
2038 #ifdef HAVE_PATHS_H
2039 #  include <paths.h>
2040 #endif
2041         ],
2042         [ char *utmp = UTMP_FILE; ],
2043         [ AC_MSG_RESULT(yes) ],
2044         [ AC_MSG_RESULT(no)
2045           system_utmp_path=no ]
2046 )
2047 if test -z "$conf_utmp_location"; then
2048         if test x"$system_utmp_path" = x"no" ; then
2049                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2050                         if test -f $f ; then
2051                                 conf_utmp_location=$f
2052                         fi
2053                 done
2054                 if test -z "$conf_utmp_location"; then
2055                         AC_DEFINE(DISABLE_UTMP)
2056                 fi
2057         fi
2058 fi
2059 if test -n "$conf_utmp_location"; then
2060         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2061 fi
2062
2063 dnl wtmp detection
2064 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2065 AC_TRY_COMPILE([
2066 #include <sys/types.h>
2067 #include <utmp.h>
2068 #ifdef HAVE_PATHS_H
2069 #  include <paths.h>
2070 #endif
2071         ],
2072         [ char *wtmp = WTMP_FILE; ],
2073         [ AC_MSG_RESULT(yes) ],
2074         [ AC_MSG_RESULT(no)
2075           system_wtmp_path=no ]
2076 )
2077 if test -z "$conf_wtmp_location"; then
2078         if test x"$system_wtmp_path" = x"no" ; then
2079                 for f in /usr/adm/wtmp /var/log/wtmp; do
2080                         if test -f $f ; then
2081                                 conf_wtmp_location=$f
2082                         fi
2083                 done
2084                 if test -z "$conf_wtmp_location"; then
2085                         AC_DEFINE(DISABLE_WTMP)
2086                 fi
2087         fi
2088 fi
2089 if test -n "$conf_wtmp_location"; then
2090         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2091 fi
2092
2093
2094 dnl utmpx detection - I don't know any system so perverse as to require
2095 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2096 dnl  there, though.
2097 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2098 AC_TRY_COMPILE([
2099 #include <sys/types.h>
2100 #include <utmp.h>
2101 #ifdef HAVE_UTMPX_H
2102 #include <utmpx.h>
2103 #endif
2104 #ifdef HAVE_PATHS_H
2105 #  include <paths.h>
2106 #endif
2107         ],
2108         [ char *utmpx = UTMPX_FILE; ],
2109         [ AC_MSG_RESULT(yes) ],
2110         [ AC_MSG_RESULT(no)
2111           system_utmpx_path=no ]
2112 )
2113 if test -z "$conf_utmpx_location"; then
2114         if test x"$system_utmpx_path" = x"no" ; then
2115                 AC_DEFINE(DISABLE_UTMPX)
2116         fi
2117 else
2118         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2119 fi
2120
2121 dnl wtmpx detection
2122 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2123 AC_TRY_COMPILE([
2124 #include <sys/types.h>
2125 #include <utmp.h>
2126 #ifdef HAVE_UTMPX_H
2127 #include <utmpx.h>
2128 #endif
2129 #ifdef HAVE_PATHS_H
2130 #  include <paths.h>
2131 #endif
2132         ],
2133         [ char *wtmpx = WTMPX_FILE; ],
2134         [ AC_MSG_RESULT(yes) ],
2135         [ AC_MSG_RESULT(no)
2136           system_wtmpx_path=no ]
2137 )
2138 if test -z "$conf_wtmpx_location"; then
2139         if test x"$system_wtmpx_path" = x"no" ; then
2140                 AC_DEFINE(DISABLE_WTMPX)
2141         fi
2142 else
2143         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2144 fi
2145
2146
2147 # Change default command timeout for builtin PRNG
2148 entropy_timeout=200
2149 AC_ARG_WITH(entropy-timeout,
2150         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
2151         [
2152                 if test "x$withval" != "xno" ; then
2153                         entropy_timeout=$withval
2154                 fi
2155         ]
2156 )
2157 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
2158
2159
2160 if test ! -z "$blibpath" ; then
2161         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2162         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2163 fi
2164
2165 AC_EXEEXT
2166
2167 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2168 AC_OUTPUT
2169
2170 # Print summary of options
2171
2172 if test ! -z "$RANDOM_POOL" ; then
2173         RAND_MSG="Device ($RANDOM_POOL)"
2174 else
2175         if test ! -z "$PRNGD_PORT" ; then
2176                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
2177         elif test ! -z "$PRNGD_SOCKET" ; then
2178                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
2179         else
2180                 RAND_MSG="Builtin (timeout $entropy_timeout)"
2181                 BUILTIN_RNG=1
2182         fi
2183 fi
2184
2185 # Someone please show me a better way :)
2186 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2187 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2188 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2189 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2190 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2191 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2192 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2193 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
2194
2195 echo ""
2196 echo "OpenSSH has been configured with the following options:"
2197 echo "                 User binaries: $B"
2198 echo "               System binaries: $C"
2199 echo "           Configuration files: $D"
2200 echo "               Askpass program: $E"
2201 echo "                  Manual pages: $F"
2202 echo "                      PID file: $G"
2203 echo "        sshd default user PATH: $H"
2204 echo "      Random number collection: $RAND_MSG"
2205 echo "                Manpage format: $MANTYPE"
2206 echo "                   PAM support: ${PAM_MSG}"
2207 echo "            KerberosIV support: $KRB4_MSG"
2208 echo "             Smartcard support: $SCARD_MSG"
2209 echo "                   AFS support: $AFS_MSG"
2210 echo "                 S/KEY support: $SKEY_MSG"
2211 echo "          TCP Wrappers support: $TCPW_MSG"
2212 echo "          MD5 password support: $MD5_MSG"
2213 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2214 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
2215 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2216
2217 if test ! -z "$bsd_auth"; then
2218         echo "              BSD Auth support: yes"
2219 fi
2220
2221 echo ""
2222
2223 echo "              Host: ${host}"
2224 echo "          Compiler: ${CC}"
2225 echo "    Compiler flags: ${CFLAGS}"
2226 echo "Preprocessor flags: ${CPPFLAGS}"
2227 echo "      Linker flags: ${LDFLAGS}"
2228 echo "         Libraries: ${LIBS}"
2229
2230 echo ""
2231
2232 if test "x$PAM_MSG" = "xyes" ; then
2233         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
2234         echo "otherwise password authentication may fail. Example PAM control files"
2235         echo "can be found in the contrib/ subdirectory"
2236         echo ""
2237 fi
2238
2239 if test ! -z "$BUILTIN_RNG" ; then
2240         echo "WARNING: you are using the builtin random number collection service."
2241         echo "Please read WARNING.RNG and request that your OS vendor includes"
2242         echo "/dev/random in future versions of their OS."
2243         echo ""
2244 fi
2245
2246 if test ! -z "$NO_SFTP"; then
2247         echo "sftp-server will be disabled.  Your compiler does not support"
2248         echo "64bit integers."
2249         echo ""
2250 fi
2251