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="$LIBS -lregex /usr/lib/textmode.o"
  69         AC_DEFINE(HAVE_CYGWIN)
  70         AC_DEFINE(DISABLE_SHADOW)
  71         AC_DEFINE(IPV4_DEFAULT)
  72         AC_DEFINE(IP_TOS_IS_BROKEN)
  73         AC_DEFINE(BROKEN_VHANGUP)
  74         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  75         no_libsocket=1
  76         no_libnsl=1
  77         ;;
  78 *-*-dgux*)
  79         AC_DEFINE(IP_TOS_IS_BROKEN)
  80         ;;
  81 *-*-hpux10*)
  82         if test -z "$GCC"; then
  83                 CFLAGS="$CFLAGS -Ae"
  84         fi
  85         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  86         IPADDR_IN_DISPLAY=yes
  87         AC_DEFINE(USE_PIPES)
  88         AC_DEFINE(DISABLE_SHADOW)
  89         AC_DEFINE(DISABLE_UTMP)
  90         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  91         LIBS="$LIBS -lsec"
  92         MANTYPE='$(CATMAN)'
  93         mansubdir=cat
  94         ;;
  95 *-*-hpux11*)
  96         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  97         IPADDR_IN_DISPLAY=yes
  98         AC_DEFINE(PAM_SUN_CODEBASE)
  99         AC_DEFINE(USE_PIPES)
 100         AC_DEFINE(DISABLE_SHADOW)
 101         AC_DEFINE(DISABLE_UTMP)
 102         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 103         LIBS="$LIBS -lsec"
 104         MANTYPE='$(CATMAN)'
 105         mansubdir=cat
 106         ;;
 107 *-*-irix5*)
 108         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 109         LDFLAGS="$LDFLAGS"
 110         PATH="$PATH:/usr/etc"
 111         MANTYPE='$(CATMAN)'
 112         no_libsocket=1
 113         no_libnsl=1
 114         AC_DEFINE(BROKEN_INET_NTOA)
 115         ;;
 116 *-*-irix6*)
 117         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 118         LDFLAGS="$LDFLAGS"
 119         PATH="$PATH:/usr/etc"
 120         MANTYPE='$(CATMAN)'
 121         AC_DEFINE(WITH_IRIX_ARRAY)
 122         AC_DEFINE(WITH_IRIX_PROJECT)
 123         AC_DEFINE(WITH_IRIX_AUDIT)
 124         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 125         no_libsocket=1
 126         no_libnsl=1
 127         AC_DEFINE(BROKEN_INET_NTOA)
 128         mansubdir=man
 129         ;;
 130 *-*-linux*)
 131         no_dev_ptmx=1
 132         check_for_libcrypt_later=1
 133         AC_DEFINE(DONT_TRY_OTHER_AF)
 134         AC_DEFINE(PAM_TTY_KLUDGE)
 135         inet6_default_4in6=yes
 136         ;;
 137 mips-sony-bsd|mips-sony-newsos4)
 138         AC_DEFINE(HAVE_NEWS4)
 139         SONY=1
 140         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 141                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 142         )
 143         ;;
 144 *-*-netbsd*)
 145         need_dash_r=1
 146         ;;
 147 *-*-freebsd*)
 148         check_for_libcrypt_later=1
 149         ;;
 150 *-next-*)
 151         conf_lastlog_location="/usr/adm/lastlog"
 152         conf_utmp_location=/etc/utmp
 153         conf_wtmp_location=/usr/adm/wtmp
 154         MAIL=/usr/spool/mail
 155         AC_DEFINE(HAVE_NEXT)
 156         AC_DEFINE(BROKEN_REALPATH)
 157         AC_DEFINE(USE_PIPES)
 158         AC_DEFINE(BROKEN_SAVED_UIDS)
 159         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 160         CFLAGS="$CFLAGS"
 161         ;;
 162 *-*-solaris*)
 163         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 164         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 165         need_dash_r=1
 166         AC_DEFINE(PAM_SUN_CODEBASE)
 167         # hardwire lastlog location (can't detect it on some versions)
 168         conf_lastlog_location="/var/adm/lastlog"
 169         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 170         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 171         if test "$sol2ver" -ge 8; then
 172                 AC_MSG_RESULT(yes)
 173                 AC_DEFINE(DISABLE_UTMP)
 174                 AC_DEFINE(DISABLE_WTMP)
 175         else
 176                 AC_MSG_RESULT(no)
 177         fi
 178         ;;
 179 *-*-sunos4*)
 180         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 181         AC_CHECK_FUNCS(getpwanam)
 182         AC_DEFINE(PAM_SUN_CODEBASE)
 183         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 184         conf_utmp_location=/etc/utmp
 185         conf_wtmp_location=/var/adm/wtmp
 186         conf_lastlog_location=/var/adm/lastlog
 187         AC_DEFINE(USE_PIPES)
 188         MANTYPE='$(CATMAN)'
 189         mansubdir=cat
 190         ;;
 191 *-ncr-sysv*)
 192         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 193         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 194         MANTYPE='$(CATMAN)'
 195         mansubdir=cat
 196         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 197         ;;
 198 *-sni-sysv*)
 199         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 200         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 201         MANTYPE='$(CATMAN)'
 202         IPADDR_IN_DISPLAY=yes
 203         AC_DEFINE(USE_PIPES)
 204         AC_DEFINE(IP_TOS_IS_BROKEN)
 205         mansubdir=cat
 206         LIBS="$LIBS -lgen -lnsl -lucb"
 207         ;;
 208 *-*-sysv4.2*)
 209         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 210         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 211         MANTYPE='$(CATMAN)'
 212         mansubdir=cat
 213         enable_suid_ssh=no
 214         AC_DEFINE(USE_PIPES)
 215         ;;
 216 *-*-sysv5*)
 217         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         MANTYPE='$(CATMAN)'
 220         mansubdir=cat
 221         enable_suid_ssh=no
 222         AC_DEFINE(USE_PIPES)
 223         ;;
 224 *-*-sysv*)
 225         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 226         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 227         MANTYPE='$(CATMAN)'
 228         mansubdir=cat
 229         LIBS="$LIBS -lgen -lsocket"
 230         ;;
 231 *-*-sco3.2v4*)
 232         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 233         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 234         MANTYPE='$(CATMAN)'
 235         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 236         mansubdir=cat
 237         rsh_path="/usr/bin/rcmd"
 238         RANLIB=true
 239         no_dev_ptmx=1
 240         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 241         AC_DEFINE(USE_PIPES)
 242         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 243         AC_DEFINE(DISABLE_SHADOW)
 244         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 245         AC_DEFINE(BROKEN_SAVED_UIDS)
 246         AC_CHECK_FUNCS(getluid setluid)
 247         ;;
 248 *-*-sco3.2v5*)
 249         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 250         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 251         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 252         MANTYPE='$(CATMAN)'
 253         mansubdir=cat
 254         no_dev_ptmx=1
 255         rsh_path="/usr/bin/rcmd"
 256         AC_DEFINE(USE_PIPES)
 257         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 258         AC_DEFINE(DISABLE_SHADOW)
 259         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 260         AC_DEFINE(BROKEN_SAVED_UIDS)
 261         AC_CHECK_FUNCS(getluid setluid)
 262         ;;
 263 *-dec-osf*)
 264         if test ! -z "USE_SIA" ; then
 265                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 266                 if test -f /etc/sia/matrix.conf; then
 267                         AC_MSG_RESULT(yes)
 268                         AC_DEFINE(HAVE_OSF_SIA)
 269                         AC_DEFINE(DISABLE_LOGIN)
 270                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 271                 else
 272                         AC_MSG_RESULT(no)
 273                 fi
 274         fi
 275         ;;
 276 esac
 277
 278 # Allow user to specify flags
 279 AC_ARG_WITH(cflags,
 280         [  --with-cflags           Specify additional flags to pass to compiler],
 281         [
 282                 if test "x$withval" != "xno" ; then
 283                         CFLAGS="$CFLAGS $withval"
 284                 fi
 285         ]
 286 )
 287 AC_ARG_WITH(cppflags,
 288         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 289         [
 290                 if test "x$withval" != "xno"; then
 291                         CPPFLAGS="$CPPFLAGS $withval"
 292                 fi
 293         ]
 294 )
 295 AC_ARG_WITH(ldflags,
 296         [  --with-ldflags          Specify additional flags to pass to linker],
 297         [
 298                 if test "x$withval" != "xno" ; then
 299                         LDFLAGS="$LDFLAGS $withval"
 300                 fi
 301         ]
 302 )
 303 AC_ARG_WITH(libs,
 304         [  --with-libs             Specify additional libraries to link with],
 305         [
 306                 if test "x$withval" != "xno" ; then
 307                         LIBS="$LIBS $withval"
 308                 fi
 309         ]
 310 )
 311
 312 AC_ARG_WITH(pcre,
 313         [  --with-pcre             Override built in regex library with pcre],
 314         [
 315
 316                 AC_CHECK_LIB(pcre, pcre_info,
 317                         [
 318                                 AC_DEFINE(HAVE_LIBPCRE)
 319                                 LIBS="$LIBS -lpcreposix -lpcre"
 320                                 no_comp_check="yes"
 321                         ],
 322                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 323                 )
 324         ]
 325 )
 326
 327 # Checks for libraries.
 328 if test -z "$no_libnsl" ; then
 329         AC_CHECK_LIB(nsl, yp_match, , )
 330 fi
 331 if test -z "$no_libsocket" ; then
 332         AC_CHECK_LIB(socket, main, , )
 333 fi
 334
 335 dnl SCO OS3 needs this for libwrap
 336 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 337
 338 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 339 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 340 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 341
 342 # We don't want to check if we did an pcre override.
 343 if test -z "$no_comp_check" ; then
 344         AC_CHECK_FUNC(regcomp,
 345                 [ AC_DEFINE(HAVE_REGCOMP)],
 346                 [
 347                         AC_CHECK_LIB(pcre, pcre_info,
 348                         [
 349                                 AC_DEFINE(HAVE_LIBPCRE)
 350                                 LIBS="$LIBS -lpcreposix -lpcre"
 351                         ],
 352                         [
 353                                 AC_MSG_ERROR([*** No regex library found.])
 354                         ])
 355                 ]
 356         )
 357 fi
 358
 359 dnl UnixWare 2.x
 360 AC_CHECK_FUNC(strcasecmp,
 361         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 362 )
 363 AC_CHECK_FUNC(utimes,
 364         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 365 )
 366
 367 AC_FUNC_STRFTIME
 368
 369 # Checks for header files.
 370 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h regex.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 371
 372 # Check whether user wants Kerberos support
 373 KRB4_MSG="no"
 374 AC_ARG_WITH(kerberos4,
 375         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 376         [
 377                 if test "x$withval" != "xno" ; then
 378
 379                         if test "x$withval" != "xyes" ; then
 380                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 381                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 382                                 if test ! -z "$need_dash_r" ; then
 383                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 384                                 fi
 385                                 if test ! -z "$blibpath" ; then
 386                                         blibpath="$blibpath:${withval}/lib"
 387                                 fi
 388                         else
 389                                 if test -d /usr/include/kerberosIV ; then
 390                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
 391                                 fi
 392                         fi
 393
 394                         AC_CHECK_HEADERS(krb.h)
 395                         AC_CHECK_LIB(krb, main)
 396                         if test "$ac_cv_header_krb_h" != yes; then
 397                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 398                         fi
 399                         if test "$ac_cv_lib_krb_main" != yes; then
 400                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 401                         fi
 402
 403                         KLIBS="-lkrb -ldes"
 404                         AC_CHECK_LIB(resolv, dn_expand, , )
 405                         KRB4=yes
 406                         KRB4_MSG="yes"
 407                         AC_DEFINE(KRB4)
 408                 fi
 409         ]
 410 )
 411
 412 # Check whether user wants AFS support
 413 AFS_MSG="no"
 414 AC_ARG_WITH(afs,
 415         [  --with-afs=PATH         Enable AFS support],
 416         [
 417                 if test "x$withval" != "xno" ; then
 418
 419                         if test "x$withval" != "xyes" ; then
 420                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 421                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 422                         fi
 423
 424                         if test -z "$KRB4" ; then
 425                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 426                         fi
 427
 428                         LIBS="$LIBS -lkafs"
 429                         if test ! -z "$AFS_LIBS" ; then
 430                                 LIBS="$LIBS $AFS_LIBS"
 431                         fi
 432                         AC_DEFINE(AFS)
 433                         AFS_MSG="yes"
 434                 fi
 435         ]
 436 )
 437 LIBS="$LIBS $KLIBS"
 438
 439 # Check whether user wants S/Key support
 440 SKEY_MSG="no"
 441 AC_ARG_WITH(skey,
 442         [  --with-skey=PATH         Enable S/Key support],
 443         [
 444                 if test "x$withval" != "xno" ; then
 445
 446                         if test "x$withval" != "xyes" ; then
 447                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 448                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 449                         fi
 450
 451                         AC_DEFINE(SKEY)
 452                         LIBS="-lskey $LIBS"
 453                         SKEY_MSG="yes"
 454
 455                         AC_CHECK_FUNC(skey_keyinfo,
 456                                 [],
 457                                 [
 458                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 459                                 ])
 460                 fi
 461         ]
 462 )
 463
 464 # Check whether user wants TCP wrappers support
 465 TCPW_MSG="no"
 466 AC_ARG_WITH(tcp-wrappers,
 467         [  --with-tcp-wrappers     Enable tcpwrappers support],
 468         [
 469                 if test "x$withval" != "xno" ; then
 470                         saved_LIBS="$LIBS"
 471                         LIBS="-lwrap $LIBS"
 472                         AC_MSG_CHECKING(for libwrap)
 473                         AC_TRY_LINK(
 474                                 [
 475 #include <tcpd.h>
 476                                         int deny_severity = 0, allow_severity = 0;
 477                                 ],
 478                                 [hosts_access(0);],
 479                                 [
 480                                         AC_MSG_RESULT(yes)
 481                                         AC_DEFINE(LIBWRAP)
 482                                         TCPW_MSG="yes"
 483                                 ],
 484                                 [
 485                                         AC_MSG_ERROR([*** libwrap missing])
 486                                 ]
 487                         )
 488                 fi
 489         ]
 490 )
 491
 492 dnl    Checks for library functions.
 493 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)
 494 dnl    Checks for time functions
 495 AC_CHECK_FUNCS(gettimeofday time)
 496 dnl    Checks for libutil functions
 497 AC_CHECK_HEADERS(libutil.h)
 498 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 499 dnl    Checks for utmp functions
 500 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 501 AC_CHECK_FUNCS(utmpname)
 502 dnl    Checks for utmpx functions
 503 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 504 AC_CHECK_FUNCS(setutxent utmpxname)
 505
 506 AC_CHECK_FUNC(getuserattr,
 507         [AC_DEFINE(HAVE_GETUSERATTR)],
 508         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 509 )
 510
 511 AC_CHECK_FUNC(login,
 512         [AC_DEFINE(HAVE_LOGIN)],
 513         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 514 )
 515
 516 AC_CHECK_FUNC(daemon,
 517         [AC_DEFINE(HAVE_DAEMON)],
 518         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 519 )
 520
 521 AC_CHECK_FUNC(getpagesize,
 522         [AC_DEFINE(HAVE_GETPAGESIZE)],
 523         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 524 )
 525
 526 # Check for broken snprintf
 527 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 528         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 529         AC_TRY_RUN(
 530                 [
 531 #include <stdio.h>
 532 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 533                 ],
 534                 [AC_MSG_RESULT(yes)],
 535                 [
 536                         AC_MSG_RESULT(no)
 537                         AC_DEFINE(BROKEN_SNPRINTF)
 538                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 539                 ]
 540         )
 541 fi
 542
 543 AC_FUNC_GETPGRP
 544
 545 # Check for PAM libs
 546 PAM_MSG="no"
 547 AC_ARG_WITH(pam,
 548         [  --with-pam              Enable PAM support ],
 549         [
 550                 if test "x$withval" != "xno" ; then
 551                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 552                                 AC_MSG_ERROR([PAM headers not found])
 553                         fi
 554
 555                         AC_CHECK_LIB(dl, dlopen, , )
 556                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 557                         AC_CHECK_FUNCS(pam_getenvlist)
 558
 559                         disable_shadow=yes
 560                         PAM_MSG="yes"
 561
 562                         AC_DEFINE(USE_PAM)
 563                 fi
 564         ]
 565 )
 566
 567 # Check for older PAM
 568 if test "x$PAM_MSG" = "xyes" ; then
 569         # Check PAM strerror arguments (old PAM)
 570         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 571         AC_TRY_COMPILE(
 572                 [
 573 #include <stdlib.h>
 574 #include <security/pam_appl.h>
 575                 ],
 576                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 577                 [AC_MSG_RESULT(no)],
 578                 [
 579                         AC_DEFINE(HAVE_OLD_PAM)
 580                         AC_MSG_RESULT(yes)
 581                         PAM_MSG="yes (old library)"
 582                 ]
 583         )
 584 fi
 585
 586 # The big search for OpenSSL
 587 AC_ARG_WITH(ssl-dir,
 588         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 589         [
 590                 if test "x$withval" != "xno" ; then
 591                         tryssldir=$withval
 592                 fi
 593         ]
 594 )
 595
 596 saved_LIBS="$LIBS"
 597 saved_LDFLAGS="$LDFLAGS"
 598 saved_CPPFLAGS="$CPPFLAGS"
 599 if test "x$prefix" != "xNONE" ; then
 600         tryssldir="$tryssldir $prefix"
 601 fi
 602 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 603         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 604                 CPPFLAGS="$saved_CPPFLAGS"
 605                 LDFLAGS="$saved_LDFLAGS"
 606                 LIBS="$saved_LIBS -lcrypto"
 607
 608                 # Skip directories if they don't exist
 609                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 610                         continue;
 611                 fi
 612                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 613                         # Try to use $ssldir/lib if it exists, otherwise
 614                         # $ssldir
 615                         if test -d "$ssldir/lib" ; then
 616                                 LDFLAGS="$saved_LDFLAGS -L$ssldir/lib"
 617                                 if test ! -z "$need_dash_r" ; then
 618                                         LDFLAGS="$LDFLAGS -R$ssldir/lib"
 619                                 fi
 620                         else
 621                                 LDFLAGS="$saved_LDFLAGS -L$ssldir"
 622                                 if test ! -z "$need_dash_r" ; then
 623                                         LDFLAGS="$LDFLAGS -R$ssldir"
 624                                 fi
 625                         fi
 626                         # Try to use $ssldir/include if it exists, otherwise
 627                         # $ssldir
 628                         if test -d "$ssldir/include" ; then
 629                                 CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 630                         else
 631                                 CPPFLAGS="$saved_CPPFLAGS -I$ssldir"
 632                         fi
 633                 fi
 634
 635                 # Basic test to check for compatible version and correct linking
 636                 # *does not* test for RSA - that comes later.
 637                 AC_TRY_RUN(
 638                         [
 639 #include <string.h>
 640 #include <openssl/rand.h>
 641 int main(void)
 642 {
 643         char a[2048];
 644         memset(a, 0, sizeof(a));
 645         RAND_add(a, sizeof(a), sizeof(a));
 646         return(RAND_status() <= 0);
 647 }
 648                         ],
 649                         [
 650                                 found_crypto=1
 651                                 break;
 652                         ], []
 653                 )
 654
 655                 if test ! -z "$found_crypto" ; then
 656                         break;
 657                 fi
 658         done
 659
 660         if test -z "$found_crypto" ; then
 661                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 662         fi
 663         if test -z "$ssldir" ; then
 664                 ssldir="(system)"
 665         fi
 666
 667         ac_cv_openssldir=$ssldir
 668 ])
 669
 670 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 671         AC_DEFINE(HAVE_OPENSSL)
 672         dnl Need to recover ssldir - test above runs in subshell
 673         ssldir=$ac_cv_openssldir
 674         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 675                 # Try to use $ssldir/lib if it exists, otherwise
 676                 # $ssldir
 677                 if test -d "$ssldir/lib" ; then
 678                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib"
 679                         if test ! -z "$need_dash_r" ; then
 680                                 LDFLAGS="$LDFLAGS -R$ssldir/lib"
 681                         fi
 682                 else
 683                         LDFLAGS="$saved_LDFLAGS -L$ssldir"
 684                         if test ! -z "$need_dash_r" ; then
 685                                 LDFLAGS="$LDFLAGS -R$ssldir"
 686                         fi
 687                 fi
 688                 # Try to use $ssldir/include if it exists, otherwise
 689                 # $ssldir
 690                 if test -d "$ssldir/include" ; then
 691                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 692                 else
 693                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir"
 694                 fi
 695         fi
 696 fi
 697 LIBS="$saved_LIBS -lcrypto"
 698
 699 # Now test RSA support
 700 saved_LIBS="$LIBS"
 701 AC_MSG_CHECKING([for RSA support])
 702 for WANTS_RSAREF in "" 1 ; do
 703         if test -z "$WANTS_RSAREF" ; then
 704                 LIBS="$saved_LIBS"
 705         else
 706                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 707         fi
 708         AC_TRY_RUN([
 709 #include <string.h>
 710 #include <openssl/rand.h>
 711 #include <openssl/rsa.h>
 712 #include <openssl/bn.h>
 713 #include <openssl/sha.h>
 714 int main(void)
 715 {
 716         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 717         unsigned char c[256], p[256];
 718         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 719         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 720         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 721         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 722 }
 723         ],
 724         [
 725                 rsa_works=1
 726                 break;
 727         ], [])
 728 done
 729
 730 if test ! -z "$no_rsa" ; then
 731         AC_MSG_RESULT(disabled)
 732         RSA_MSG="disabled"
 733 else
 734         if test -z "$rsa_works" ; then
 735                 AC_MSG_WARN([*** No RSA support found *** ])
 736                 RSA_MSG="no"
 737         else
 738                 if test -z "$WANTS_RSAREF" ; then
 739                         AC_MSG_RESULT(yes)
 740                         RSA_MSG="yes"
 741                 else
 742                         RSA_MSG="yes (using RSAref)"
 743                         AC_MSG_RESULT(using RSAref)
 744                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 745                 fi
 746         fi
 747 fi
 748
 749 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 750 # version in OpenSSL. Skip this for PAM
 751 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 752         AC_CHECK_LIB(crypt, crypt, , )
 753 fi
 754
 755 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 756 if test ! -z "$SONY" ; then
 757   LIBS="$LIBS -liberty";
 758 fi
 759
 760 # Checks for data types
 761 AC_CHECK_SIZEOF(char, 1)
 762 AC_CHECK_SIZEOF(short int, 2)
 763 AC_CHECK_SIZEOF(int, 4)
 764 AC_CHECK_SIZEOF(long int, 4)
 765 AC_CHECK_SIZEOF(long long int, 8)
 766
 767 # More checks for data types
 768 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 769         AC_TRY_COMPILE(
 770                 [ #include <sys/types.h> ],
 771                 [ u_int a; a = 1;],
 772                 [ ac_cv_have_u_int="yes" ],
 773                 [ ac_cv_have_u_int="no" ]
 774         )
 775 ])
 776 if test "x$ac_cv_have_u_int" = "xyes" ; then
 777         AC_DEFINE(HAVE_U_INT)
 778         have_u_int=1
 779 fi
 780
 781 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 782         AC_TRY_COMPILE(
 783                 [ #include <sys/types.h> ],
 784                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 785                 [ ac_cv_have_intxx_t="yes" ],
 786                 [ ac_cv_have_intxx_t="no" ]
 787         )
 788 ])
 789 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 790         AC_DEFINE(HAVE_INTXX_T)
 791         have_intxx_t=1
 792 fi
 793
 794 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 795         AC_TRY_COMPILE(
 796                 [ #include <sys/types.h> ],
 797                 [ int64_t a; a = 1;],
 798                 [ ac_cv_have_int64_t="yes" ],
 799                 [ ac_cv_have_int64_t="no" ]
 800         )
 801 ])
 802 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 803         AC_DEFINE(HAVE_INT64_T)
 804         have_int64_t=1
 805 fi
 806
 807 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 808         AC_TRY_COMPILE(
 809                 [ #include <sys/types.h> ],
 810                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 811                 [ ac_cv_have_u_intxx_t="yes" ],
 812                 [ ac_cv_have_u_intxx_t="no" ]
 813         )
 814 ])
 815 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 816         AC_DEFINE(HAVE_U_INTXX_T)
 817         have_u_intxx_t=1
 818 fi
 819
 820 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 821         AC_TRY_COMPILE(
 822                 [ #include <sys/types.h> ],
 823                 [ u_int64_t a; a = 1;],
 824                 [ ac_cv_have_u_int64_t="yes" ],
 825                 [ ac_cv_have_u_int64_t="no" ]
 826         )
 827 ])
 828 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 829         AC_DEFINE(HAVE_U_INT64_T)
 830         have_u_int64_t=1
 831 fi
 832
 833 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 834            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 835 then
 836         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 837         AC_TRY_COMPILE(
 838                 [
 839 #include <sys/bitypes.h>
 840                 ],
 841                 [
 842                         int8_t a; int16_t b; int32_t c;
 843                         u_int8_t e; u_int16_t f; u_int32_t g;
 844                         a = b = c = e = f = g = 1;
 845                 ],
 846                 [
 847                         AC_DEFINE(HAVE_U_INTXX_T)
 848                         AC_DEFINE(HAVE_INTXX_T)
 849                         AC_MSG_RESULT(yes)
 850                 ],
 851                 [AC_MSG_RESULT(no)]
 852         )
 853 fi
 854
 855 if test -z "$have_u_intxx_t" ; then
 856         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 857                 AC_TRY_COMPILE(
 858                         [
 859 #include <sys/types.h>
 860                         ],
 861                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 862                         [ ac_cv_have_uintxx_t="yes" ],
 863                         [ ac_cv_have_uintxx_t="no" ]
 864                 )
 865         ])
 866         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 867                 AC_DEFINE(HAVE_UINTXX_T)
 868         fi
 869 fi
 870
 871 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 872         AC_TRY_COMPILE(
 873                 [
 874 #include <sys/types.h>
 875 #include <sys/socket.h>
 876                 ],
 877                 [socklen_t foo; foo = 1235;],
 878                 [ ac_cv_have_socklen_t="yes" ],
 879                 [ ac_cv_have_socklen_t="no" ]
 880         )
 881 ])
 882 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 883         AC_DEFINE(HAVE_SOCKLEN_T)
 884 fi
 885
 886 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 887         AC_TRY_COMPILE(
 888                 [
 889 #include <sys/types.h>
 890                 ],
 891                 [ size_t foo; foo = 1235; ],
 892                 [ ac_cv_have_size_t="yes" ],
 893                 [ ac_cv_have_size_t="no" ]
 894         )
 895 ])
 896 if test "x$ac_cv_have_size_t" = "xyes" ; then
 897         AC_DEFINE(HAVE_SIZE_T)
 898 fi
 899
 900 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 901         AC_TRY_COMPILE(
 902                 [
 903 #include <sys/types.h>
 904                 ],
 905                 [ ssize_t foo; foo = 1235; ],
 906                 [ ac_cv_have_ssize_t="yes" ],
 907                 [ ac_cv_have_ssize_t="no" ]
 908         )
 909 ])
 910 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 911         AC_DEFINE(HAVE_SSIZE_T)
 912 fi
 913
 914 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 915         AC_TRY_COMPILE(
 916                 [
 917 #include <time.h>
 918                 ],
 919                 [ clock_t foo; foo = 1235; ],
 920                 [ ac_cv_have_clock_t="yes" ],
 921                 [ ac_cv_have_clock_t="no" ]
 922         )
 923 ])
 924 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 925         AC_DEFINE(HAVE_CLOCK_T)
 926 fi
 927
 928 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 929         AC_TRY_COMPILE(
 930                 [
 931 #include <sys/types.h>
 932 #include <sys/socket.h>
 933                 ],
 934                 [ sa_family_t foo; foo = 1235; ],
 935                 [ ac_cv_have_sa_family_t="yes" ],
 936                 [ AC_TRY_COMPILE(
 937                   [
 938 #include <sys/types.h>
 939 #include <sys/socket.h>
 940 #include <netinet/in.h>
 941                 ],
 942                 [ sa_family_t foo; foo = 1235; ],
 943                 [ ac_cv_have_sa_family_t="yes" ],
 944
 945                 [ ac_cv_have_sa_family_t="no" ]
 946         )]
 947         )
 948 ])
 949 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 950         AC_DEFINE(HAVE_SA_FAMILY_T)
 951 fi
 952
 953 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 954         AC_TRY_COMPILE(
 955                 [
 956 #include <sys/types.h>
 957                 ],
 958                 [ pid_t foo; foo = 1235; ],
 959                 [ ac_cv_have_pid_t="yes" ],
 960                 [ ac_cv_have_pid_t="no" ]
 961         )
 962 ])
 963 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 964         AC_DEFINE(HAVE_PID_T)
 965 fi
 966
 967 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 968         AC_TRY_COMPILE(
 969                 [
 970 #include <sys/types.h>
 971                 ],
 972                 [ mode_t foo; foo = 1235; ],
 973                 [ ac_cv_have_mode_t="yes" ],
 974                 [ ac_cv_have_mode_t="no" ]
 975         )
 976 ])
 977 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 978         AC_DEFINE(HAVE_MODE_T)
 979 fi
 980
 981
 982 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 983         AC_TRY_COMPILE(
 984                 [
 985 #include <sys/types.h>
 986 #include <sys/socket.h>
 987                 ],
 988                 [ struct sockaddr_storage s; ],
 989                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 990                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 991         )
 992 ])
 993 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 994         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 995 fi
 996
 997 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 998         AC_TRY_COMPILE(
 999                 [
1000 #include <sys/types.h>
1001 #include <netinet/in.h>
1002                 ],
1003                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1004                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1005                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1006         )
1007 ])
1008 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1009         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1010 fi
1011
1012 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1013         AC_TRY_COMPILE(
1014                 [
1015 #include <sys/types.h>
1016 #include <netinet/in.h>
1017                 ],
1018                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1019                 [ ac_cv_have_struct_in6_addr="yes" ],
1020                 [ ac_cv_have_struct_in6_addr="no" ]
1021         )
1022 ])
1023 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1024         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1025 fi
1026
1027 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1028         AC_TRY_COMPILE(
1029                 [
1030 #include <sys/types.h>
1031 #include <sys/socket.h>
1032 #include <netdb.h>
1033                 ],
1034                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1035                 [ ac_cv_have_struct_addrinfo="yes" ],
1036                 [ ac_cv_have_struct_addrinfo="no" ]
1037         )
1038 ])
1039 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1040         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1041 fi
1042
1043 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1044         AC_TRY_COMPILE(
1045                 [ #include <sys/time.h> ],
1046                 [ struct timeval tv; tv.tv_sec = 1;],
1047                 [ ac_cv_have_struct_timeval="yes" ],
1048                 [ ac_cv_have_struct_timeval="no" ]
1049         )
1050 ])
1051 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1052         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1053         have_struct_timeval=1
1054 fi
1055
1056 # If we don't have int64_t then we can't compile sftp-server.  So don't
1057 # even attempt to do it.
1058 if test "x$ac_cv_have_int64_t" = "xno" -a \
1059         "x$ac_cv_sizeof_long_int" != "x8" -a \
1060         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1061         NO_SFTP='#'
1062 fi
1063 AC_SUBST(NO_SFTP)
1064
1065 dnl Checks for structure members
1066 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1067 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1068 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1069 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1072 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1073 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1074 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1076 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1077 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1078 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1079 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1080 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1081 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1082 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1083 AC_STRUCT_ST_BLKSIZE
1084
1085 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1086                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1087         AC_TRY_COMPILE(
1088                 [
1089 #include <sys/types.h>
1090 #include <sys/socket.h>
1091                 ],
1092                 [ struct sockaddr_un s; s.sun_len = 1; ],
1093                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1094                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1095         )
1096 ])
1097 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1098         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1099 fi
1100
1101 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1102                 ac_cv_have_ss_family_in_struct_ss, [
1103         AC_TRY_COMPILE(
1104                 [
1105 #include <sys/types.h>
1106 #include <sys/socket.h>
1107                 ],
1108                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1109                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1110                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1111         )
1112 ])
1113 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1114         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1115 fi
1116
1117 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1118                 ac_cv_have___ss_family_in_struct_ss, [
1119         AC_TRY_COMPILE(
1120                 [
1121 #include <sys/types.h>
1122 #include <sys/socket.h>
1123                 ],
1124                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1125                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1126                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1127         )
1128 ])
1129 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1130         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1131 fi
1132
1133 AC_CACHE_CHECK([for pw_class field in struct passwd],
1134                 ac_cv_have_pw_class_in_struct_passwd, [
1135         AC_TRY_COMPILE(
1136                 [
1137 #include <pwd.h>
1138                 ],
1139                 [ struct passwd p; p.pw_class = 0; ],
1140                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1141                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1142         )
1143 ])
1144 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1145         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1146 fi
1147
1148
1149 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1150         AC_TRY_LINK([],
1151                 [ extern char *__progname; printf("%s", __progname); ],
1152                 [ ac_cv_libc_defines___progname="yes" ],
1153                 [ ac_cv_libc_defines___progname="no" ]
1154         )
1155 ])
1156 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1157         AC_DEFINE(HAVE___PROGNAME)
1158 fi
1159
1160
1161 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1162         AC_TRY_LINK([],
1163                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1164                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1165                 [ ac_cv_libc_defines_sys_errlist="no" ]
1166         )
1167 ])
1168 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1169         AC_DEFINE(HAVE_SYS_ERRLIST)
1170 fi
1171
1172
1173 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1174         AC_TRY_LINK([],
1175                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1176                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1177                 [ ac_cv_libc_defines_sys_nerr="no" ]
1178         )
1179 ])
1180 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1181         AC_DEFINE(HAVE_SYS_NERR)
1182 fi
1183
1184
1185 # Looking for programs, paths and files
1186 AC_ARG_WITH(rsh,
1187         [  --with-rsh=PATH         Specify path to remote shell program ],
1188         [
1189                 if test "x$withval" != "$no" ; then
1190                         rsh_path=$withval
1191                 fi
1192         ],
1193         [
1194                 AC_PATH_PROG(rsh_path, rsh)
1195         ]
1196 )
1197
1198 AC_ARG_WITH(xauth,
1199         [  --with-xauth=PATH       Specify path to xauth program ],
1200         [
1201                 if test "x$withval" != "xno" ; then
1202                         xauth_path=$withval
1203                 fi
1204         ],
1205         [
1206                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1207                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1208                         xauth_path="/usr/openwin/bin/xauth"
1209                 fi
1210         ]
1211 )
1212
1213 if test -z "$xauth_path" ; then
1214         XAUTH_PATH="undefined"
1215         AC_SUBST(XAUTH_PATH)
1216 else
1217         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1218         XAUTH_PATH=$xauth_path
1219         AC_SUBST(XAUTH_PATH)
1220 fi
1221 if test ! -z "$rsh_path" ; then
1222         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1223 fi
1224
1225 # Check for mail directory (last resort if we cannot get it from headers)
1226 if test ! -z "$MAIL" ; then
1227         maildir=`dirname $MAIL`
1228         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1229 fi
1230
1231 if test -z "$no_dev_ptmx" ; then
1232         AC_CHECK_FILE("/dev/ptmx",
1233                 [
1234                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1235                         have_dev_ptmx=1
1236                 ]
1237         )
1238 fi
1239 AC_CHECK_FILE("/dev/ptc",
1240         [
1241                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1242                 have_dev_ptc=1
1243         ]
1244 )
1245
1246 # Options from here on. Some of these are preset by platform above
1247
1248 # Check for user-specified random device, otherwise check /dev/urandom
1249 AC_ARG_WITH(random,
1250         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1251         [
1252                 if test "x$withval" != "xno" ; then
1253                         RANDOM_POOL="$withval";
1254                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1255                 fi
1256         ],
1257         [
1258                 # Check for random device
1259                 AC_CHECK_FILE("/dev/urandom",
1260                         [
1261                                 RANDOM_POOL="/dev/urandom";
1262                                 AC_SUBST(RANDOM_POOL)
1263                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1264                         ]
1265                 )
1266         ]
1267 )
1268
1269 # Check for EGD pool file
1270 AC_ARG_WITH(egd-pool,
1271         [  --with-egd-pool=FILE    read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1272         [
1273                 if test "x$withval" != "xno" ; then
1274                         EGD_SOCKET="$withval";
1275                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1276                 fi
1277         ],
1278         [
1279                 # Check for existing socket only if we don't have a random device already
1280                 if test -z "$RANDOM_POOL" ; then
1281                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1282                         # Insert other locations here
1283                         for egdsock in /var/run/egd-pool /etc/entropy /tmp/entropy ; do
1284                                 if test -r $egdsock && $TEST_MINUS_S_SH -c "test -S $egdsock -o -p $egdsock" ; then
1285                                         EGD_SOCKET="$egdsock"
1286                                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1287                                         break;
1288                                 fi
1289                         done
1290                         if test -x "$EGD_SOCKET" ; then
1291                                 AC_MSG_RESULT($EGD_SOCKET)
1292                         else
1293                                 AC_MSG_RESULT(not found)
1294                         fi
1295                 fi
1296         ]
1297 )
1298
1299
1300 # detect pathnames for entropy gathering commands, if we need them
1301 INSTALL_SSH_PRNG_CMDS=""
1302 rm -f prng_commands
1303 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1304         # Use these commands to collect entropy
1305         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1306         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1307         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1308         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1309         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1310         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1311         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1312         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1313         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1314         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1315         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1316         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1317         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1318         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1319
1320         INSTALL_SSH_PRNG_CMDS="yes"
1321 fi
1322 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1323
1324
1325 AC_ARG_WITH(catman,
1326         [  --with-catman=man|cat   Install preformatted manpages[no]],
1327         [
1328                 MANTYPE='$(CATMAN)'
1329                 if test x"$withval" != x"yes" ; then
1330                    mansubdir=$withval
1331                 else
1332                    mansubdir=cat
1333                 fi
1334         ], [
1335                 if test -z "$MANTYPE" ; then
1336                         MANTYPE='$(TROFFMAN)'
1337                         mansubdir=man
1338                 fi
1339         ]
1340 )
1341 AC_SUBST(MANTYPE)
1342 AC_SUBST(mansubdir)
1343
1344 # Check whether to enable MD5 passwords
1345 MD5_MSG="no"
1346 AC_ARG_WITH(md5-passwords,
1347         [  --with-md5-passwords    Enable use of MD5 passwords],
1348         [
1349                 if test "x$withval" != "xno" ; then
1350                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1351                         MD5_MSG="yes"
1352                 fi
1353         ]
1354 )
1355
1356 # Whether to disable shadow password support
1357 AC_ARG_WITH(shadow,
1358         [  --without-shadow        Disable shadow password support],
1359         [
1360                 if test "x$withval" = "xno" ; then
1361                         AC_DEFINE(DISABLE_SHADOW)
1362                         disable_shadow=yes
1363                 fi
1364         ]
1365 )
1366
1367 if test -z "$disable_shadow" ; then
1368         AC_MSG_CHECKING([if the systems has expire shadow information])
1369         AC_TRY_COMPILE(
1370         [
1371 #include <sys/types.h>
1372 #include <shadow.h>
1373         struct spwd sp;
1374         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1375         [ sp_expire_available=yes ], []
1376         )
1377
1378         if test "x$sp_expire_available" = "xyes" ; then
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1381         else
1382                 AC_MSG_RESULT(no)
1383         fi
1384 fi
1385
1386 # Use ip address instead of hostname in $DISPLAY
1387 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1388         DISPLAY_HACK_MSG="yes"
1389         AC_DEFINE(IPADDR_IN_DISPLAY)
1390 else
1391         DISPLAY_HACK_MSG="no"
1392         AC_ARG_WITH(ipaddr-display,
1393                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1394                 [
1395                         if test "x$withval" != "xno" ; then
1396                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1397                                 DISPLAY_HACK_MSG="yes"
1398                         fi
1399                 ]
1400         )
1401 fi
1402
1403 # Whether to mess with the default path
1404 SERVER_PATH_MSG="(default)"
1405 AC_ARG_WITH(default-path,
1406         [  --with-default-path=PATH Specify default \$PATH environment for server],
1407         [
1408                 if test "x$withval" != "xno" ; then
1409                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1410                         SERVER_PATH_MSG="$withval"
1411                 fi
1412         ]
1413 )
1414
1415 # Whether to force IPv4 by default (needed on broken glibc Linux)
1416 IPV4_HACK_MSG="no"
1417 AC_ARG_WITH(ipv4-default,
1418         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1419         [
1420                 if test "x$withval" != "xno" ; then
1421                         AC_DEFINE(IPV4_DEFAULT)
1422                         IPV4_HACK_MSG="yes"
1423                 fi
1424         ]
1425 )
1426
1427 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1428 IPV4_IN6_HACK_MSG="no"
1429 AC_ARG_WITH(4in6,
1430         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1431         [
1432                 if test "x$withval" != "xno" ; then
1433                         AC_MSG_RESULT(yes)
1434                         AC_DEFINE(IPV4_IN_IPV6)
1435                         IPV4_IN6_HACK_MSG="yes"
1436                 else
1437                         AC_MSG_RESULT(no)
1438                 fi
1439         ],[
1440                 if test "x$inet6_default_4in6" = "xyes"; then
1441                         AC_MSG_RESULT([yes (default)])
1442                         AC_DEFINE(IPV4_IN_IPV6)
1443                         IPV4_IN6_HACK_MSG="yes"
1444                 else
1445                         AC_MSG_RESULT([no (default)])
1446                 fi
1447         ]
1448 )
1449
1450 # Whether to enable BSD auth support
1451 AC_ARG_WITH(bsd-auth,
1452         [  --with-bsd-auth         Enable BSD auth support],
1453         [
1454                 if test "x$withval" != "xno" ; then
1455                         AC_DEFINE(BSD_AUTH)
1456                         bsd_auth=yes
1457                 fi
1458         ]
1459 )
1460
1461 AC_MSG_CHECKING(whether to install ssh as suid root)
1462 AC_ARG_ENABLE(suid-ssh,
1463 [  --enable-suid-ssh       Install ssh as suid root (default)
1464   --disable-suid-ssh      Install ssh without suid bit],
1465 [ case "$enableval" in
1466   no)
1467        AC_MSG_RESULT(no)
1468        SSHMODE=0711
1469        ;;
1470   *)   AC_MSG_RESULT(yes)
1471        SSHMODE=04711
1472        ;;
1473   esac ],
1474   AC_MSG_RESULT(yes)
1475   SSHMODE=04711
1476 )
1477 AC_SUBST(SSHMODE)
1478
1479
1480 # Where to place sshd.pid
1481 piddir=/var/run
1482 AC_ARG_WITH(pid-dir,
1483         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1484         [
1485                 if test "x$withval" != "xno" ; then
1486                         piddir=$withval
1487                 fi
1488         ]
1489 )
1490
1491 # make sure the directory exists
1492 if test ! -d $piddir ; then
1493         piddir=`eval echo ${sysconfdir}`
1494         case $piddir in
1495                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1496         esac
1497 fi
1498
1499 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1500 AC_SUBST(piddir)
1501
1502 dnl allow user to disable some login recording features
1503 AC_ARG_ENABLE(lastlog,
1504         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1505         [ AC_DEFINE(DISABLE_LASTLOG) ]
1506 )
1507 AC_ARG_ENABLE(utmp,
1508         [  --disable-utmp          disable use of utmp even if detected [no]],
1509         [ AC_DEFINE(DISABLE_UTMP) ]
1510 )
1511 AC_ARG_ENABLE(utmpx,
1512         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1513         [ AC_DEFINE(DISABLE_UTMPX) ]
1514 )
1515 AC_ARG_ENABLE(wtmp,
1516         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1517         [ AC_DEFINE(DISABLE_WTMP) ]
1518 )
1519 AC_ARG_ENABLE(wtmpx,
1520         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1521         [ AC_DEFINE(DISABLE_WTMPX) ]
1522 )
1523 AC_ARG_ENABLE(libutil,
1524         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1525         [ AC_DEFINE(DISABLE_LOGIN) ]
1526 )
1527 AC_ARG_ENABLE(pututline,
1528         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1529         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1530 )
1531 AC_ARG_ENABLE(pututxline,
1532         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1533         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1534 )
1535 AC_ARG_WITH(lastlog,
1536   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1537         [
1538                 if test "x$withval" = "xno" ; then
1539                         AC_DEFINE(DISABLE_LASTLOG)
1540                 else
1541                         conf_lastlog_location=$withval
1542                 fi
1543         ]
1544 )
1545
1546 dnl lastlog, [uw]tmpx? detection
1547 dnl  NOTE: set the paths in the platform section to avoid the
1548 dnl   need for command-line parameters
1549 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1550
1551 dnl lastlog detection
1552 dnl  NOTE: the code itself will detect if lastlog is a directory
1553 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1554 AC_TRY_COMPILE([
1555 #include <sys/types.h>
1556 #include <utmp.h>
1557 #ifdef HAVE_LASTLOG_H
1558 #  include <lastlog.h>
1559 #endif
1560 #ifdef HAVE_PATHS_H
1561 #  include <paths.h>
1562 #endif
1563         ],
1564         [ char *lastlog = LASTLOG_FILE; ],
1565         [ AC_MSG_RESULT(yes) ],
1566         [
1567                 AC_MSG_RESULT(no)
1568                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1569                 AC_TRY_COMPILE([
1570 #include <sys/types.h>
1571 #include <utmp.h>
1572 #ifdef HAVE_LASTLOG_H
1573 #  include <lastlog.h>
1574 #endif
1575 #ifdef HAVE_PATHS_H
1576 #  include <paths.h>
1577 #endif
1578                 ],
1579                 [ char *lastlog = _PATH_LASTLOG; ],
1580                 [ AC_MSG_RESULT(yes) ],
1581                 [
1582                         AC_MSG_RESULT(no)
1583                         system_lastlog_path=no
1584                 ])
1585         ]
1586 )
1587
1588 if test -z "$conf_lastlog_location"; then
1589         if test x"$system_lastlog_path" = x"no" ; then
1590                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1591                                 if (test -d "$f" || test -f "$f") ; then
1592                                         conf_lastlog_location=$f
1593                                 fi
1594                 done
1595                 if test -z "$conf_lastlog_location"; then
1596                         AC_MSG_WARN([** Cannot find lastlog **])
1597                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1598                 fi
1599         fi
1600 fi
1601
1602 if test -n "$conf_lastlog_location"; then
1603         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1604 fi
1605
1606 dnl utmp detection
1607 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1608 AC_TRY_COMPILE([
1609 #include <sys/types.h>
1610 #include <utmp.h>
1611 #ifdef HAVE_PATHS_H
1612 #  include <paths.h>
1613 #endif
1614         ],
1615         [ char *utmp = UTMP_FILE; ],
1616         [ AC_MSG_RESULT(yes) ],
1617         [ AC_MSG_RESULT(no)
1618           system_utmp_path=no ]
1619 )
1620 if test -z "$conf_utmp_location"; then
1621         if test x"$system_utmp_path" = x"no" ; then
1622                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1623                         if test -f $f ; then
1624                                 conf_utmp_location=$f
1625                         fi
1626                 done
1627                 if test -z "$conf_utmp_location"; then
1628                         AC_DEFINE(DISABLE_UTMP)
1629                 fi
1630         fi
1631 fi
1632 if test -n "$conf_utmp_location"; then
1633         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1634 fi
1635
1636 dnl wtmp detection
1637 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1638 AC_TRY_COMPILE([
1639 #include <sys/types.h>
1640 #include <utmp.h>
1641 #ifdef HAVE_PATHS_H
1642 #  include <paths.h>
1643 #endif
1644         ],
1645         [ char *wtmp = WTMP_FILE; ],
1646         [ AC_MSG_RESULT(yes) ],
1647         [ AC_MSG_RESULT(no)
1648           system_wtmp_path=no ]
1649 )
1650 if test -z "$conf_wtmp_location"; then
1651         if test x"$system_wtmp_path" = x"no" ; then
1652                 for f in /usr/adm/wtmp /var/log/wtmp; do
1653                         if test -f $f ; then
1654                                 conf_wtmp_location=$f
1655                         fi
1656                 done
1657                 if test -z "$conf_wtmp_location"; then
1658                         AC_DEFINE(DISABLE_WTMP)
1659                 fi
1660         fi
1661 fi
1662 if test -n "$conf_wtmp_location"; then
1663         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1664 fi
1665
1666
1667 dnl utmpx detection - I don't know any system so perverse as to require
1668 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1669 dnl  there, though.
1670 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1671 AC_TRY_COMPILE([
1672 #include <sys/types.h>
1673 #include <utmp.h>
1674 #ifdef HAVE_UTMPX_H
1675 #include <utmpx.h>
1676 #endif
1677 #ifdef HAVE_PATHS_H
1678 #  include <paths.h>
1679 #endif
1680         ],
1681         [ char *utmpx = UTMPX_FILE; ],
1682         [ AC_MSG_RESULT(yes) ],
1683         [ AC_MSG_RESULT(no)
1684           system_utmpx_path=no ]
1685 )
1686 if test -z "$conf_utmpx_location"; then
1687         if test x"$system_utmpx_path" = x"no" ; then
1688                 AC_DEFINE(DISABLE_UTMPX)
1689         fi
1690 else
1691         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1692 fi
1693
1694 dnl wtmpx detection
1695 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1696 AC_TRY_COMPILE([
1697 #include <sys/types.h>
1698 #include <utmp.h>
1699 #ifdef HAVE_UTMPX_H
1700 #include <utmpx.h>
1701 #endif
1702 #ifdef HAVE_PATHS_H
1703 #  include <paths.h>
1704 #endif
1705         ],
1706         [ char *wtmpx = WTMPX_FILE; ],
1707         [ AC_MSG_RESULT(yes) ],
1708         [ AC_MSG_RESULT(no)
1709           system_wtmpx_path=no ]
1710 )
1711 if test -z "$conf_wtmpx_location"; then
1712         if test x"$system_wtmpx_path" = x"no" ; then
1713                 AC_DEFINE(DISABLE_WTMPX)
1714         fi
1715 else
1716         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1717 fi
1718
1719
1720 # Change default command timeout for builtin PRNG
1721 entropy_timeout=200
1722 AC_ARG_WITH(entropy-timeout,
1723         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1724         [
1725                 if test "x$withval" != "xno" ; then
1726                         entropy_timeout=$withval
1727                 fi
1728         ]
1729 )
1730 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1731
1732
1733 if test ! -z "$blibpath" ; then
1734         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1735         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1736 fi
1737
1738 AC_EXEEXT
1739
1740 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1741
1742 # Print summary of options
1743
1744 if test x$MANTYPE = x'$(CATMAN)' ; then
1745         MAN_MSG=cat
1746 else
1747         MAN_MSG=man
1748 fi
1749 if test ! -z "$RANDOM_POOL" ; then
1750         RAND_MSG="Device ($RANDOM_POOL)"
1751 else
1752         if test ! -z "$EGD_SOCKET" ; then
1753                 RAND_MSG="EGD/PRNGD ($EGD_SOCKET)"
1754         else
1755                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1756                 BUILTIN_RNG=1
1757         fi
1758 fi
1759
1760 # Someone please show me a better way :)
1761 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1762 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1763 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1764 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1765 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1766 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1767 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1768
1769 echo ""
1770 echo "OpenSSH configured has been configured with the following options."
1771 echo "                 User binaries: $B"
1772 echo "               System binaries: $C"
1773 echo "           Configuration files: $D"
1774 echo "               Askpass program: $E"
1775 echo "                  Manual pages: $F"
1776 echo "                      PID file: $G"
1777 echo "      Random number collection: $RAND_MSG"
1778 echo "                Manpage format: $MAN_MSG"
1779 echo "                   PAM support: ${PAM_MSG}"
1780 echo "            KerberosIV support: $KRB4_MSG"
1781 echo "                   AFS support: $AFS_MSG"
1782 echo "                 S/KEY support: $SKEY_MSG"
1783 echo "          TCP Wrappers support: $TCPW_MSG"
1784 echo "          MD5 password support: $MD5_MSG"
1785 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1786 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1787 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1788
1789 if test ! -z "$bsd_auth"; then
1790         echo "              BSD Auth support: yes"
1791 fi
1792
1793 echo ""
1794
1795 echo "              Host: ${host}"
1796 echo "          Compiler: ${CC}"
1797 echo "    Compiler flags: ${CFLAGS}"
1798 echo "Preprocessor flags: ${CPPFLAGS}"
1799 echo "      Linker flags: ${LDFLAGS}"
1800 echo "         Libraries: ${LIBS}"
1801
1802 echo ""
1803
1804 if test "x$PAM_MSG" = "xyes" ; then
1805         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1806         echo "otherwise password authentication may fail. Example PAM control files"
1807         echo "can be found in the contrib/ subdirectory"
1808         echo ""
1809 fi
1810
1811 if test ! -z "$BUILTIN_RNG" ; then
1812         echo "WARNING: you are using the builtin random number collection service."
1813         echo "Please read WARNING.RNG and request that your OS vendor includes"
1814         echo "/dev/random in future versions of their OS."
1815         echo ""
1816 fi
1817
1818 if test ! -z "$NO_SFTP"; then
1819         echo "sftp-server will be disabled.  Your compiler does not support"
1820         echo "64bit integers."
1821         echo ""
1822 fi
1823