configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8
   9 # Checks for programs.
  10 AC_PROG_CPP
  11 AC_PROG_RANLIB
  12 AC_PROG_INSTALL
  13 AC_PATH_PROG(AR, ar)
  14 AC_PATH_PROG(PERL, perl)
  15 AC_SUBST(PERL)
  16 AC_PATH_PROG(ENT, ent)
  17 AC_SUBST(ENT)
  18 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  19 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  22
  23 if test -z "$AR" ; then
  24         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  25 fi
  26
  27 # Use LOGIN_PROGRAM from environment if possible
  28 if test ! -z "$LOGIN_PROGRAM" ; then
  29         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  30 else
  31         # Search for login
  32         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  33         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  34                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  35         fi
  36 fi
  37
  38 if test -z "$LD" ; then
  39         LD=$CC
  40 fi
  41 AC_SUBST(LD)
  42
  43 # C Compiler features
  44 AC_C_INLINE
  45 if test "$GCC" = "yes"; then
  46         CFLAGS="$CFLAGS -Wall"
  47 fi
  48
  49 # Check for some target-specific stuff
  50 case "$host" in
  51 *-*-aix*)
  52         AFS_LIBS="-lld"
  53         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  54         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  55         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  56                 blibpath="/usr/lib:/lib:/usr/local/lib"
  57         fi
  58         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  59         AC_DEFINE(BROKEN_GETADDRINFO)
  60         MANTYPE='$(CATMAN)'
  61         mansubdir=cat
  62         dnl AIX handles lastlog as part of its login message
  63         AC_DEFINE(DISABLE_LASTLOG)
  64         MANTYPE='$(CATMAN)'
  65         mansubdir=cat
  66         ;;
  67 *-*-cygwin*)
  68         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  69         AC_DEFINE(HAVE_CYGWIN)
  70         AC_DEFINE(DISABLE_SHADOW)
  71         AC_DEFINE(IPV4_DEFAULT)
  72         AC_DEFINE(IP_TOS_IS_BROKEN)
  73         AC_DEFINE(BROKEN_VHANGUP)
  74         no_libsocket=1
  75         no_libnsl=1
  76         ;;
  77 *-*-dgux*)
  78         AC_DEFINE(IP_TOS_IS_BROKEN)
  79         ;;
  80 *-*-hpux10*)
  81         if test -z "$GCC"; then
  82                 CFLAGS="$CFLAGS -Ae"
  83         fi
  84         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  85         IPADDR_IN_DISPLAY=yes
  86         AC_DEFINE(USE_PIPES)
  87         AC_DEFINE(DISABLE_SHADOW)
  88         AC_DEFINE(DISABLE_UTMP)
  89         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  90         LIBS="$LIBS -lsec"
  91         MANTYPE='$(CATMAN)'
  92         mansubdir=cat
  93         ;;
  94 *-*-hpux11*)
  95         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  96         IPADDR_IN_DISPLAY=yes
  97         AC_DEFINE(PAM_SUN_CODEBASE)
  98         AC_DEFINE(USE_PIPES)
  99         AC_DEFINE(DISABLE_SHADOW)
 100         AC_DEFINE(DISABLE_UTMP)
 101         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 102         LIBS="$LIBS -lsec"
 103         MANTYPE='$(CATMAN)'
 104         mansubdir=cat
 105         ;;
 106 *-*-irix5*)
 107         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 108         LDFLAGS="$LDFLAGS"
 109         PATH="$PATH:/usr/etc"
 110         MANTYPE='$(CATMAN)'
 111         no_libsocket=1
 112         no_libnsl=1
 113         AC_DEFINE(BROKEN_INET_NTOA)
 114         ;;
 115 *-*-irix6*)
 116         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 117         LDFLAGS="$LDFLAGS"
 118         PATH="$PATH:/usr/etc"
 119         MANTYPE='$(CATMAN)'
 120         AC_DEFINE(WITH_IRIX_ARRAY)
 121         AC_DEFINE(WITH_IRIX_PROJECT)
 122         AC_DEFINE(WITH_IRIX_AUDIT)
 123         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 124         no_libsocket=1
 125         no_libnsl=1
 126         AC_DEFINE(BROKEN_INET_NTOA)
 127         mansubdir=man
 128         ;;
 129 *-*-linux*)
 130         no_dev_ptmx=1
 131         check_for_libcrypt_later=1
 132         AC_DEFINE(DONT_TRY_OTHER_AF)
 133         AC_DEFINE(PAM_TTY_KLUDGE)
 134         inet6_default_4in6=yes
 135         ;;
 136 mips-sony-bsd|mips-sony-newsos4)
 137         AC_DEFINE(HAVE_NEWS4)
 138         SONY=1
 139         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 140                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 141         )
 142         ;;
 143 *-*-netbsd*)
 144         need_dash_r=1
 145         ;;
 146 *-next-*)
 147         conf_lastlog_location="/usr/adm/lastlog"
 148         conf_utmp_location=/etc/utmp
 149         conf_wtmp_location=/usr/adm/wtmp
 150         MAIL=/usr/spool/mail
 151         AC_DEFINE(HAVE_NEXT)
 152         AC_DEFINE(BROKEN_REALPATH)
 153         AC_DEFINE(USE_PIPES)
 154         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 155         CFLAGS="$CFLAGS"
 156         ;;
 157 *-*-solaris*)
 158         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 159         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 160         need_dash_r=1
 161         AC_DEFINE(PAM_SUN_CODEBASE)
 162         # hardwire lastlog location (can't detect it on some versions)
 163         conf_lastlog_location="/var/adm/lastlog"
 164         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 165         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 166         if test "$sol2ver" -ge 8; then
 167                 AC_MSG_RESULT(yes)
 168                 AC_DEFINE(DISABLE_UTMP)
 169                 AC_DEFINE(DISABLE_WTMP)
 170         else
 171                 AC_MSG_RESULT(no)
 172         fi
 173         ;;
 174 *-*-sunos4*)
 175         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 176         AC_CHECK_FUNCS(getpwanam)
 177         AC_DEFINE(PAM_SUN_CODEBASE)
 178         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 179         conf_utmp_location=/etc/utmp
 180         conf_wtmp_location=/var/adm/wtmp
 181         conf_lastlog_location=/var/adm/lastlog
 182         AC_DEFINE(USE_PIPES)
 183         MANTYPE='$(CATMAN)'
 184         mansubdir=cat
 185         ;;
 186 *-ncr-sysv*)
 187         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 188         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 189         MANTYPE='$(CATMAN)'
 190         mansubdir=cat
 191         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 192         ;;
 193 *-sni-sysv*)
 194         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 195         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 196         MANTYPE='$(CATMAN)'
 197         IPADDR_IN_DISPLAY=yes
 198         AC_DEFINE(USE_PIPES)
 199         AC_DEFINE(IP_TOS_IS_BROKEN)
 200         mansubdir=cat
 201         LIBS="$LIBS -lgen -lnsl -lucb"
 202         ;;
 203 *-*-sysv4.2*)
 204         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 205         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 206         MANTYPE='$(CATMAN)'
 207         mansubdir=cat
 208         enable_suid_ssh=no
 209         AC_DEFINE(USE_PIPES)
 210         ;;
 211 *-*-sysv5*)
 212         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 213         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 214         MANTYPE='$(CATMAN)'
 215         mansubdir=cat
 216         enable_suid_ssh=no
 217         AC_DEFINE(USE_PIPES)
 218         ;;
 219 *-*-sysv*)
 220         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 221         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 222         MANTYPE='$(CATMAN)'
 223         mansubdir=cat
 224         LIBS="$LIBS -lgen -lsocket"
 225         ;;
 226 *-*-sco3.2v4*)
 227         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 228         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 229         MANTYPE='$(CATMAN)'
 230         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 231         mansubdir=cat
 232         rsh_path="/usr/bin/rcmd"
 233         RANLIB=true
 234         no_dev_ptmx=1
 235         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 236         AC_DEFINE(USE_PIPES)
 237         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 238         AC_DEFINE(DISABLE_SHADOW)
 239         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 240         AC_CHECK_FUNCS(getluid setluid)
 241         ;;
 242 *-*-sco3.2v5*)
 243         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 244         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 245         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 246         MANTYPE='$(CATMAN)'
 247         mansubdir=cat
 248         no_dev_ptmx=1
 249         rsh_path="/usr/bin/rcmd"
 250         AC_DEFINE(USE_PIPES)
 251         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 252         AC_DEFINE(DISABLE_SHADOW)
 253         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 254         AC_CHECK_FUNCS(getluid setluid)
 255         ;;
 256 *-dec-osf*)
 257         if test ! -z "USE_SIA" ; then
 258                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 259                 if test -f /etc/sia/matrix.conf; then
 260                         AC_MSG_RESULT(yes)
 261                         AC_DEFINE(HAVE_OSF_SIA)
 262                         AC_DEFINE(DISABLE_LOGIN)
 263                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 264                 else
 265                         AC_MSG_RESULT(no)
 266                 fi
 267         fi
 268         ;;
 269 esac
 270
 271 # Allow user to specify flags
 272 AC_ARG_WITH(cflags,
 273         [  --with-cflags           Specify additional flags to pass to compiler],
 274         [
 275                 if test "x$withval" != "xno" ; then
 276                         CFLAGS="$CFLAGS $withval"
 277                 fi
 278         ]
 279 )
 280 AC_ARG_WITH(cppflags,
 281         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 282         [
 283                 if test "x$withval" != "xno"; then
 284                         CPPFLAGS="$CPPFLAGS $withval"
 285                 fi
 286         ]
 287 )
 288 AC_ARG_WITH(ldflags,
 289         [  --with-ldflags          Specify additional flags to pass to linker],
 290         [
 291                 if test "x$withval" != "xno" ; then
 292                         LDFLAGS="$LDFLAGS $withval"
 293                 fi
 294         ]
 295 )
 296 AC_ARG_WITH(libs,
 297         [  --with-libs             Specify additional libraries to link with],
 298         [
 299                 if test "x$withval" != "xno" ; then
 300                         LIBS="$LIBS $withval"
 301                 fi
 302         ]
 303 )
 304
 305 AC_ARG_WITH(pcre,
 306         [  --with-pcre             Override built in regex library with pcre],
 307         [
 308
 309                 AC_CHECK_LIB(pcre, pcre_info,
 310                         [
 311                                 AC_DEFINE(HAVE_LIBPCRE)
 312                                 LIBS="$LIBS -lpcreposix -lpcre"
 313                                 no_comp_check="yes"
 314                         ],
 315                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 316                 )
 317         ]
 318 )
 319
 320 # Checks for libraries.
 321 if test -z "$no_libnsl" ; then
 322         AC_CHECK_LIB(nsl, yp_match, , )
 323 fi
 324 if test -z "$no_libsocket" ; then
 325         AC_CHECK_LIB(socket, main, , )
 326 fi
 327
 328 dnl SCO OS3 needs this for libwrap
 329 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 330
 331 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 332 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 333 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 334
 335 # We don't want to check if we did an pcre override.
 336 if test -z "$no_comp_check" ; then
 337         AC_CHECK_FUNC(regcomp,
 338                 [ AC_DEFINE(HAVE_REGCOMP)],
 339                 [
 340                         AC_CHECK_LIB(pcre, pcre_info,
 341                         [
 342                                 AC_DEFINE(HAVE_LIBPCRE)
 343                                 LIBS="$LIBS -lpcreposix -lpcre"
 344                         ],
 345                         [
 346                                 AC_MSG_ERROR([*** No regex library found.])
 347                         ])
 348                 ]
 349         )
 350 fi
 351
 352 dnl UnixWare 2.x
 353 AC_CHECK_FUNC(strcasecmp,
 354         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 355 )
 356 AC_CHECK_FUNC(utimes,
 357         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 358 )
 359
 360 # Checks for header files.
 361 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h regex.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 362
 363 # Check whether user wants Kerberos support
 364 KRB4_MSG="no"
 365 AC_ARG_WITH(kerberos4,
 366         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 367         [
 368                 if test "x$withval" != "xno" ; then
 369
 370                         if test "x$withval" != "xyes" ; then
 371                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 372                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 373                                 if test ! -z "$need_dash_r" ; then
 374                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 375                                 fi
 376                                 if test ! -z "$blibpath" ; then
 377                                         blibpath="$blibpath:${withval}/lib"
 378                                 fi
 379                         else
 380                                 if test -d /usr/include/kerberosIV ; then
 381                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
 382                                 fi
 383                         fi
 384
 385                         AC_CHECK_HEADERS(krb.h)
 386                         AC_CHECK_LIB(krb, main)
 387                         if test "$ac_cv_header_krb_h" != yes; then
 388                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 389                         fi
 390                         if test "$ac_cv_lib_krb_main" != yes; then
 391                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 392                         fi
 393
 394                         KLIBS="-lkrb -ldes"
 395                         AC_CHECK_LIB(resolv, dn_expand, , )
 396                         KRB4=yes
 397                         KRB4_MSG="yes"
 398                         AC_DEFINE(KRB4)
 399                 fi
 400         ]
 401 )
 402
 403 # Check whether user wants AFS support
 404 AFS_MSG="no"
 405 AC_ARG_WITH(afs,
 406         [  --with-afs=PATH         Enable AFS support],
 407         [
 408                 if test "x$withval" != "xno" ; then
 409
 410                         if test "x$withval" != "xyes" ; then
 411                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 412                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 413                         fi
 414
 415                         if test -z "$KRB4" ; then
 416                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 417                         fi
 418
 419                         LIBS="$LIBS -lkafs"
 420                         if test ! -z "$AFS_LIBS" ; then
 421                                 LIBS="$LIBS $AFS_LIBS"
 422                         fi
 423                         AC_DEFINE(AFS)
 424                         AFS_MSG="yes"
 425                 fi
 426         ]
 427 )
 428 LIBS="$LIBS $KLIBS"
 429
 430 # Check whether user wants S/Key support
 431 SKEY_MSG="no"
 432 AC_ARG_WITH(skey,
 433         [  --with-skey=PATH         Enable S/Key support],
 434         [
 435                 if test "x$withval" != "xno" ; then
 436
 437                         if test "x$withval" != "xyes" ; then
 438                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 439                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 440                         fi
 441
 442                         AC_DEFINE(SKEY)
 443                         LIBS="-lskey $LIBS"
 444                         SKEY_MSG="yes"
 445
 446                         AC_CHECK_FUNC(skey_keyinfo,
 447                                 [],
 448                                 [
 449                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 450                                 ])
 451                 fi
 452         ]
 453 )
 454
 455 # Check whether user wants TCP wrappers support
 456 TCPW_MSG="no"
 457 AC_ARG_WITH(tcp-wrappers,
 458         [  --with-tcp-wrappers     Enable tcpwrappers support],
 459         [
 460                 if test "x$withval" != "xno" ; then
 461                         saved_LIBS="$LIBS"
 462                         LIBS="-lwrap $LIBS"
 463                         AC_MSG_CHECKING(for libwrap)
 464                         AC_TRY_LINK(
 465                                 [
 466 #include <tcpd.h>
 467                                         int deny_severity = 0, allow_severity = 0;
 468                                 ],
 469                                 [hosts_access(0);],
 470                                 [
 471                                         AC_MSG_RESULT(yes)
 472                                         AC_DEFINE(LIBWRAP)
 473                                         TCPW_MSG="yes"
 474                                 ],
 475                                 [
 476                                         AC_MSG_ERROR([*** libwrap missing])
 477                                 ]
 478                         )
 479                 fi
 480         ]
 481 )
 482
 483 dnl    Checks for library functions.
 484 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)
 485 dnl    Checks for time functions
 486 AC_CHECK_FUNCS(gettimeofday time)
 487 dnl    Checks for libutil functions
 488 AC_CHECK_HEADERS(libutil.h)
 489 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 490 dnl    Checks for utmp functions
 491 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 492 AC_CHECK_FUNCS(utmpname)
 493 dnl    Checks for utmpx functions
 494 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 495 AC_CHECK_FUNCS(setutxent utmpxname)
 496
 497 AC_CHECK_FUNC(getuserattr,
 498         [AC_DEFINE(HAVE_GETUSERATTR)],
 499         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 500 )
 501
 502 AC_CHECK_FUNC(login,
 503         [AC_DEFINE(HAVE_LOGIN)],
 504         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 505 )
 506
 507 AC_CHECK_FUNC(daemon,
 508         [AC_DEFINE(HAVE_DAEMON)],
 509         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 510 )
 511
 512 AC_CHECK_FUNC(getpagesize,
 513         [AC_DEFINE(HAVE_GETPAGESIZE)],
 514         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 515 )
 516
 517 # Check for broken snprintf
 518 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 519         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 520         AC_TRY_RUN(
 521                 [
 522 #include <stdio.h>
 523 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 524                 ],
 525                 [AC_MSG_RESULT(yes)],
 526                 [
 527                         AC_MSG_RESULT(no)
 528                         AC_DEFINE(BROKEN_SNPRINTF)
 529                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 530                 ]
 531         )
 532 fi
 533
 534 AC_FUNC_GETPGRP
 535
 536 AC_FUNC_STRFTIME
 537
 538 # Check for PAM libs
 539 PAM_MSG="no"
 540 AC_ARG_WITH(pam,
 541         [  --with-pam              Enable PAM support ],
 542         [
 543                 if test "x$withval" != "xno" ; then
 544                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 545                                 AC_MSG_ERROR([PAM headers not found])
 546                         fi
 547
 548                         AC_CHECK_LIB(dl, dlopen, , )
 549                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 550                         AC_CHECK_FUNCS(pam_getenvlist)
 551
 552                         disable_shadow=yes
 553                         PAM_MSG="yes"
 554
 555                         AC_DEFINE(USE_PAM)
 556                 fi
 557         ]
 558 )
 559
 560 # Check for older PAM
 561 if test "x$PAM_MSG" = "xyes" ; then
 562         # Check PAM strerror arguments (old PAM)
 563         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 564         AC_TRY_COMPILE(
 565                 [
 566 #include <stdlib.h>
 567 #include <security/pam_appl.h>
 568                 ],
 569                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 570                 [AC_MSG_RESULT(no)],
 571                 [
 572                         AC_DEFINE(HAVE_OLD_PAM)
 573                         AC_MSG_RESULT(yes)
 574                         PAM_MSG="yes (old library)"
 575                 ]
 576         )
 577 fi
 578
 579 # The big search for OpenSSL
 580 AC_ARG_WITH(ssl-dir,
 581         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 582         [
 583                 if test "x$withval" != "xno" ; then
 584                         tryssldir=$withval
 585                 fi
 586         ]
 587 )
 588
 589 saved_LIBS="$LIBS"
 590 saved_LDFLAGS="$LDFLAGS"
 591 saved_CPPFLAGS="$CPPFLAGS"
 592 if test "x$prefix" != "xNONE" ; then
 593         tryssldir="$tryssldir $prefix"
 594 fi
 595 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 596
 597         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 598                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 599                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 600                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 601                         if test ! -z "$need_dash_r" ; then
 602                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 603                         fi
 604                 else
 605                         LDFLAGS="$saved_LDFLAGS"
 606                 fi
 607
 608                 LIBS="$saved_LIBS -lcrypto"
 609
 610                 # Basic test to check for compatible version and correct linking
 611                 # *does not* test for RSA - that comes later.
 612                 AC_TRY_RUN(
 613                         [
 614 #include <string.h>
 615 #include <openssl/rand.h>
 616 int main(void)
 617 {
 618         char a[2048];
 619         memset(a, 0, sizeof(a));
 620         RAND_add(a, sizeof(a), sizeof(a));
 621         return(RAND_status() <= 0);
 622 }
 623                         ],
 624                         [
 625                                 found_crypto=1
 626                                 break;
 627                         ], []
 628                 )
 629
 630                 if test ! -z "$found_crypto" ; then
 631                         break;
 632                 fi
 633         done
 634
 635         if test -z "$found_crypto" ; then
 636                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 637         fi
 638         if test -z "$ssldir" ; then
 639                 ssldir="(system)"
 640         fi
 641
 642         ac_cv_openssldir=$ssldir
 643 ])
 644
 645 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 646         AC_DEFINE(HAVE_OPENSSL)
 647         dnl Need to recover ssldir - test above runs in subshell
 648         ssldir=$ac_cv_openssldir
 649
 650         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 651                 CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 652                 LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 653                 if test ! -z "$need_dash_r" ; then
 654                         LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 655                 fi
 656                 if test ! -z "$blibpath" ; then
 657                         blibpath="$blibpath:$ssldir:$ssldir/lib"
 658                 fi
 659         fi
 660 fi
 661 LIBS="$saved_LIBS -lcrypto"
 662
 663 # Now test RSA support
 664 saved_LIBS="$LIBS"
 665 AC_MSG_CHECKING([for RSA support])
 666 for WANTS_RSAREF in "" 1 ; do
 667         if test -z "$WANTS_RSAREF" ; then
 668                 LIBS="$saved_LIBS"
 669         else
 670                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 671         fi
 672         AC_TRY_RUN([
 673 #include <string.h>
 674 #include <openssl/rand.h>
 675 #include <openssl/rsa.h>
 676 #include <openssl/bn.h>
 677 #include <openssl/sha.h>
 678 int main(void)
 679 {
 680         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 681         unsigned char c[256], p[256];
 682         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 683         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 684         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 685         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 686 }
 687         ],
 688         [
 689                 rsa_works=1
 690                 break;
 691         ], [])
 692 done
 693
 694 if test ! -z "$no_rsa" ; then
 695         AC_MSG_RESULT(disabled)
 696         RSA_MSG="disabled"
 697 else
 698         if test -z "$rsa_works" ; then
 699                 AC_MSG_WARN([*** No RSA support found *** ])
 700                 RSA_MSG="no"
 701         else
 702                 if test -z "$WANTS_RSAREF" ; then
 703                         AC_MSG_RESULT(yes)
 704                         RSA_MSG="yes"
 705                 else
 706                         RSA_MSG="yes (using RSAref)"
 707                         AC_MSG_RESULT(using RSAref)
 708                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 709                 fi
 710         fi
 711 fi
 712
 713 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 714 # version in OpenSSL. Skip this for PAM
 715 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 716         AC_CHECK_LIB(crypt, crypt, , )
 717 fi
 718
 719 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 720 if test ! -z "$SONY" ; then
 721   LIBS="$LIBS -liberty";
 722 fi
 723
 724 # Checks for data types
 725 AC_CHECK_SIZEOF(char, 1)
 726 AC_CHECK_SIZEOF(short int, 2)
 727 AC_CHECK_SIZEOF(int, 4)
 728 AC_CHECK_SIZEOF(long int, 4)
 729 AC_CHECK_SIZEOF(long long int, 8)
 730
 731 # More checks for data types
 732 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 733         AC_TRY_COMPILE(
 734                 [ #include <sys/types.h> ],
 735                 [ u_int a; a = 1;],
 736                 [ ac_cv_have_u_int="yes" ],
 737                 [ ac_cv_have_u_int="no" ]
 738         )
 739 ])
 740 if test "x$ac_cv_have_u_int" = "xyes" ; then
 741         AC_DEFINE(HAVE_U_INT)
 742         have_u_int=1
 743 fi
 744
 745 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 746         AC_TRY_COMPILE(
 747                 [ #include <sys/types.h> ],
 748                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 749                 [ ac_cv_have_intxx_t="yes" ],
 750                 [ ac_cv_have_intxx_t="no" ]
 751         )
 752 ])
 753 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 754         AC_DEFINE(HAVE_INTXX_T)
 755         have_intxx_t=1
 756 fi
 757
 758 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 759         AC_TRY_COMPILE(
 760                 [ #include <sys/types.h> ],
 761                 [ int64_t a; a = 1;],
 762                 [ ac_cv_have_int64_t="yes" ],
 763                 [ ac_cv_have_int64_t="no" ]
 764         )
 765 ])
 766 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 767         AC_DEFINE(HAVE_INT64_T)
 768         have_int64_t=1
 769 fi
 770
 771 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 772         AC_TRY_COMPILE(
 773                 [ #include <sys/types.h> ],
 774                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 775                 [ ac_cv_have_u_intxx_t="yes" ],
 776                 [ ac_cv_have_u_intxx_t="no" ]
 777         )
 778 ])
 779 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 780         AC_DEFINE(HAVE_U_INTXX_T)
 781         have_u_intxx_t=1
 782 fi
 783
 784 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 785         AC_TRY_COMPILE(
 786                 [ #include <sys/types.h> ],
 787                 [ u_int64_t a; a = 1;],
 788                 [ ac_cv_have_u_int64_t="yes" ],
 789                 [ ac_cv_have_u_int64_t="no" ]
 790         )
 791 ])
 792 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 793         AC_DEFINE(HAVE_U_INT64_T)
 794         have_u_int64_t=1
 795 fi
 796
 797 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 798            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 799 then
 800         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 801         AC_TRY_COMPILE(
 802                 [
 803 #include <sys/bitypes.h>
 804                 ],
 805                 [
 806                         int8_t a; int16_t b; int32_t c;
 807                         u_int8_t e; u_int16_t f; u_int32_t g;
 808                         a = b = c = e = f = g = 1;
 809                 ],
 810                 [
 811                         AC_DEFINE(HAVE_U_INTXX_T)
 812                         AC_DEFINE(HAVE_INTXX_T)
 813                         AC_MSG_RESULT(yes)
 814                 ],
 815                 [AC_MSG_RESULT(no)]
 816         )
 817 fi
 818
 819 if test -z "$have_u_intxx_t" ; then
 820         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 821                 AC_TRY_COMPILE(
 822                         [
 823 #include <sys/types.h>
 824                         ],
 825                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 826                         [ ac_cv_have_uintxx_t="yes" ],
 827                         [ ac_cv_have_uintxx_t="no" ]
 828                 )
 829         ])
 830         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 831                 AC_DEFINE(HAVE_UINTXX_T)
 832         fi
 833 fi
 834
 835 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 836         AC_TRY_COMPILE(
 837                 [
 838 #include <sys/types.h>
 839 #include <sys/socket.h>
 840                 ],
 841                 [socklen_t foo; foo = 1235;],
 842                 [ ac_cv_have_socklen_t="yes" ],
 843                 [ ac_cv_have_socklen_t="no" ]
 844         )
 845 ])
 846 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 847         AC_DEFINE(HAVE_SOCKLEN_T)
 848 fi
 849
 850 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 851         AC_TRY_COMPILE(
 852                 [
 853 #include <sys/types.h>
 854                 ],
 855                 [ size_t foo; foo = 1235; ],
 856                 [ ac_cv_have_size_t="yes" ],
 857                 [ ac_cv_have_size_t="no" ]
 858         )
 859 ])
 860 if test "x$ac_cv_have_size_t" = "xyes" ; then
 861         AC_DEFINE(HAVE_SIZE_T)
 862 fi
 863
 864 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 865         AC_TRY_COMPILE(
 866                 [
 867 #include <sys/types.h>
 868                 ],
 869                 [ ssize_t foo; foo = 1235; ],
 870                 [ ac_cv_have_ssize_t="yes" ],
 871                 [ ac_cv_have_ssize_t="no" ]
 872         )
 873 ])
 874 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 875         AC_DEFINE(HAVE_SSIZE_T)
 876 fi
 877
 878 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 879         AC_TRY_COMPILE(
 880                 [
 881 #include <time.h>
 882                 ],
 883                 [ clock_t foo; foo = 1235; ],
 884                 [ ac_cv_have_clock_t="yes" ],
 885                 [ ac_cv_have_clock_t="no" ]
 886         )
 887 ])
 888 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 889         AC_DEFINE(HAVE_CLOCK_T)
 890 fi
 891
 892 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 893         AC_TRY_COMPILE(
 894                 [
 895 #include <sys/types.h>
 896 #include <sys/socket.h>
 897                 ],
 898                 [ sa_family_t foo; foo = 1235; ],
 899                 [ ac_cv_have_sa_family_t="yes" ],
 900                 [ AC_TRY_COMPILE(
 901                   [
 902 #include <sys/types.h>
 903 #include <sys/socket.h>
 904 #include <netinet/in.h>
 905                 ],
 906                 [ sa_family_t foo; foo = 1235; ],
 907                 [ ac_cv_have_sa_family_t="yes" ],
 908
 909                 [ ac_cv_have_sa_family_t="no" ]
 910         )]
 911         )
 912 ])
 913 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 914         AC_DEFINE(HAVE_SA_FAMILY_T)
 915 fi
 916
 917 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 918         AC_TRY_COMPILE(
 919                 [
 920 #include <sys/types.h>
 921                 ],
 922                 [ pid_t foo; foo = 1235; ],
 923                 [ ac_cv_have_pid_t="yes" ],
 924                 [ ac_cv_have_pid_t="no" ]
 925         )
 926 ])
 927 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 928         AC_DEFINE(HAVE_PID_T)
 929 fi
 930
 931 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 932         AC_TRY_COMPILE(
 933                 [
 934 #include <sys/types.h>
 935                 ],
 936                 [ mode_t foo; foo = 1235; ],
 937                 [ ac_cv_have_mode_t="yes" ],
 938                 [ ac_cv_have_mode_t="no" ]
 939         )
 940 ])
 941 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 942         AC_DEFINE(HAVE_MODE_T)
 943 fi
 944
 945
 946 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 947         AC_TRY_COMPILE(
 948                 [
 949 #include <sys/types.h>
 950 #include <sys/socket.h>
 951                 ],
 952                 [ struct sockaddr_storage s; ],
 953                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 954                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 955         )
 956 ])
 957 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 958         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 959 fi
 960
 961 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 962         AC_TRY_COMPILE(
 963                 [
 964 #include <sys/types.h>
 965 #include <netinet/in.h>
 966                 ],
 967                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 968                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 969                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 970         )
 971 ])
 972 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 973         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 974 fi
 975
 976 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 977         AC_TRY_COMPILE(
 978                 [
 979 #include <sys/types.h>
 980 #include <netinet/in.h>
 981                 ],
 982                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 983                 [ ac_cv_have_struct_in6_addr="yes" ],
 984                 [ ac_cv_have_struct_in6_addr="no" ]
 985         )
 986 ])
 987 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 988         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 989 fi
 990
 991 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 992         AC_TRY_COMPILE(
 993                 [
 994 #include <sys/types.h>
 995 #include <sys/socket.h>
 996 #include <netdb.h>
 997                 ],
 998                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 999                 [ ac_cv_have_struct_addrinfo="yes" ],
1000                 [ ac_cv_have_struct_addrinfo="no" ]
1001         )
1002 ])
1003 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1004         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1005 fi
1006
1007 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1008         AC_TRY_COMPILE(
1009                 [ #include <sys/time.h> ],
1010                 [ struct timeval tv; tv.tv_sec = 1;],
1011                 [ ac_cv_have_struct_timeval="yes" ],
1012                 [ ac_cv_have_struct_timeval="no" ]
1013         )
1014 ])
1015 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1016         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1017         have_struct_timeval=1
1018 fi
1019
1020 # If we don't have int64_t then we can't compile sftp-server.  So don't
1021 # even attempt to do it.
1022 if test "x$ac_cv_have_int64_t" = "xno" -a \
1023         "x$ac_cv_sizeof_long_int" != "x8" -a \
1024         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1025         NO_SFTP='#'
1026 fi
1027 AC_SUBST(NO_SFTP)
1028
1029 dnl Checks for structure members
1030 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1031 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1032 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1033 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1034 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1035 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1036 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1037 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1038 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1039 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1040 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1041 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1042 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1043 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1044 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1045 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1046 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1047 AC_STRUCT_ST_BLKSIZE
1048
1049 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1050                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1051         AC_TRY_COMPILE(
1052                 [
1053 #include <sys/types.h>
1054 #include <sys/socket.h>
1055                 ],
1056                 [ struct sockaddr_un s; s.sun_len = 1; ],
1057                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1058                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1059         )
1060 ])
1061 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1062         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1063 fi
1064
1065 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1066                 ac_cv_have_ss_family_in_struct_ss, [
1067         AC_TRY_COMPILE(
1068                 [
1069 #include <sys/types.h>
1070 #include <sys/socket.h>
1071                 ],
1072                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1073                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1074                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1075         )
1076 ])
1077 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1078         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1079 fi
1080
1081 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1082                 ac_cv_have___ss_family_in_struct_ss, [
1083         AC_TRY_COMPILE(
1084                 [
1085 #include <sys/types.h>
1086 #include <sys/socket.h>
1087                 ],
1088                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1089                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1090                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1091         )
1092 ])
1093 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1094         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1095 fi
1096
1097 AC_CACHE_CHECK([for pw_class field in struct passwd],
1098                 ac_cv_have_pw_class_in_struct_passwd, [
1099         AC_TRY_COMPILE(
1100                 [
1101 #include <pwd.h>
1102                 ],
1103                 [ struct passwd p; p.pw_class = 0; ],
1104                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1105                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1106         )
1107 ])
1108 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1109         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1110 fi
1111
1112
1113 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1114         AC_TRY_LINK([],
1115                 [ extern char *__progname; printf("%s", __progname); ],
1116                 [ ac_cv_libc_defines___progname="yes" ],
1117                 [ ac_cv_libc_defines___progname="no" ]
1118         )
1119 ])
1120 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1121         AC_DEFINE(HAVE___PROGNAME)
1122 fi
1123
1124
1125 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1126         AC_TRY_LINK([],
1127                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1128                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1129                 [ ac_cv_libc_defines_sys_errlist="no" ]
1130         )
1131 ])
1132 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1133         AC_DEFINE(HAVE_SYS_ERRLIST)
1134 fi
1135
1136
1137 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1138         AC_TRY_LINK([],
1139                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1140                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1141                 [ ac_cv_libc_defines_sys_nerr="no" ]
1142         )
1143 ])
1144 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1145         AC_DEFINE(HAVE_SYS_NERR)
1146 fi
1147
1148
1149 # Looking for programs, paths and files
1150 AC_ARG_WITH(rsh,
1151         [  --with-rsh=PATH         Specify path to remote shell program ],
1152         [
1153                 if test "x$withval" != "$no" ; then
1154                         rsh_path=$withval
1155                 fi
1156         ],
1157         [
1158                 AC_PATH_PROG(rsh_path, rsh)
1159         ]
1160 )
1161
1162 AC_ARG_WITH(xauth,
1163         [  --with-xauth=PATH       Specify path to xauth program ],
1164         [
1165                 if test "x$withval" != "xno" ; then
1166                         xauth_path=$withval
1167                 fi
1168         ],
1169         [
1170                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1171                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1172                         xauth_path="/usr/openwin/bin/xauth"
1173                 fi
1174         ]
1175 )
1176
1177 if test -z "$xauth_path" ; then
1178         XAUTH_PATH="undefined"
1179         AC_SUBST(XAUTH_PATH)
1180 else
1181         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1182         XAUTH_PATH=$xauth_path
1183         AC_SUBST(XAUTH_PATH)
1184 fi
1185 if test ! -z "$rsh_path" ; then
1186         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1187 fi
1188
1189 # Check for mail directory (last resort if we cannot get it from headers)
1190 if test ! -z "$MAIL" ; then
1191         maildir=`dirname $MAIL`
1192         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1193 fi
1194
1195 if test -z "$no_dev_ptmx" ; then
1196         AC_CHECK_FILE("/dev/ptmx",
1197                 [
1198                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1199                         have_dev_ptmx=1
1200                 ]
1201         )
1202 fi
1203 AC_CHECK_FILE("/dev/ptc",
1204         [
1205                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1206                 have_dev_ptc=1
1207         ]
1208 )
1209
1210 # Options from here on. Some of these are preset by platform above
1211
1212 # Check for user-specified random device, otherwise check /dev/urandom
1213 AC_ARG_WITH(random,
1214         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1215         [
1216                 if test "x$withval" != "xno" ; then
1217                         RANDOM_POOL="$withval";
1218                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1219                 fi
1220         ],
1221         [
1222                 # Check for random device
1223                 AC_CHECK_FILE("/dev/urandom",
1224                         [
1225                                 RANDOM_POOL="/dev/urandom";
1226                                 AC_SUBST(RANDOM_POOL)
1227                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1228                         ]
1229                 )
1230         ]
1231 )
1232
1233 # Check for EGD pool file
1234 AC_ARG_WITH(egd-pool,
1235         [  --with-egd-pool=FILE    read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1236         [
1237                 if test "x$withval" != "xno" ; then
1238                         EGD_SOCKET="$withval";
1239                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1240                 fi
1241         ],
1242         [
1243                 # Check for existing socket only if we don't have a random device already
1244                 if test -z "$RANDOM_POOL" ; then
1245                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1246                         # Insert other locations here
1247                         for egdsock in /var/run/egd-pool /etc/entropy /tmp/entropy ; do
1248                                 if test -r $egdsock && $TEST_MINUS_S_SH -c "test -S $egdsock -o -p $egdsock" ; then
1249                                         EGD_SOCKET="$egdsock"
1250                                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1251                                         break;
1252                                 fi
1253                         done
1254                         if test -x "$EGD_SOCKET" ; then
1255                                 AC_MSG_RESULT($EGD_SOCKET)
1256                         else
1257                                 AC_MSG_RESULT(not found)
1258                         fi
1259                 fi
1260         ]
1261 )
1262
1263
1264 # detect pathnames for entropy gathering commands, if we need them
1265 INSTALL_SSH_PRNG_CMDS=""
1266 rm -f prng_commands
1267 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1268         # Use these commands to collect entropy
1269         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1270         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1271         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1272         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1273         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1274         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1275         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1276         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1277         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1278         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1279         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1280         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1281         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1282         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1283
1284         INSTALL_SSH_PRNG_CMDS="yes"
1285 fi
1286 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1287
1288
1289 AC_ARG_WITH(catman,
1290         [  --with-catman=man|cat   Install preformatted manpages[no]],
1291         [
1292                 MANTYPE='$(CATMAN)'
1293                 if test x"$withval" != x"yes" ; then
1294                    mansubdir=$withval
1295                 else
1296                    mansubdir=cat
1297                 fi
1298         ], [
1299                 if test -z "$MANTYPE" ; then
1300                         MANTYPE='$(TROFFMAN)'
1301                         mansubdir=man
1302                 fi
1303         ]
1304 )
1305 AC_SUBST(MANTYPE)
1306 AC_SUBST(mansubdir)
1307
1308 # Check whether to enable MD5 passwords
1309 MD5_MSG="no"
1310 AC_ARG_WITH(md5-passwords,
1311         [  --with-md5-passwords    Enable use of MD5 passwords],
1312         [
1313                 if test "x$withval" != "xno" ; then
1314                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1315                         MD5_MSG="yes"
1316                 fi
1317         ]
1318 )
1319
1320 # Whether to disable shadow password support
1321 AC_ARG_WITH(shadow,
1322         [  --without-shadow        Disable shadow password support],
1323         [
1324                 if test "x$withval" = "xno" ; then
1325                         AC_DEFINE(DISABLE_SHADOW)
1326                         disable_shadow=yes
1327                 fi
1328         ]
1329 )
1330
1331 if test -z "$disable_shadow" ; then
1332         AC_MSG_CHECKING([if the systems has expire shadow information])
1333         AC_TRY_COMPILE(
1334         [
1335 #include <sys/types.h>
1336 #include <shadow.h>
1337         struct spwd sp;
1338         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1339         [ sp_expire_available=yes ], []
1340         )
1341
1342         if test "x$sp_expire_available" = "xyes" ; then
1343                 AC_MSG_RESULT(yes)
1344                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1345         else
1346                 AC_MSG_RESULT(no)
1347         fi
1348 fi
1349
1350 # Use ip address instead of hostname in $DISPLAY
1351 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1352         DISPLAY_HACK_MSG="yes"
1353         AC_DEFINE(IPADDR_IN_DISPLAY)
1354 else
1355         DISPLAY_HACK_MSG="no"
1356         AC_ARG_WITH(ipaddr-display,
1357                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1358                 [
1359                         if test "x$withval" != "xno" ; then
1360                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1361                                 DISPLAY_HACK_MSG="yes"
1362                         fi
1363                 ]
1364         )
1365 fi
1366
1367 # Whether to mess with the default path
1368 SERVER_PATH_MSG="(default)"
1369 AC_ARG_WITH(default-path,
1370         [  --with-default-path=PATH Specify default \$PATH environment for server],
1371         [
1372                 if test "x$withval" != "xno" ; then
1373                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1374                         SERVER_PATH_MSG="$withval"
1375                 fi
1376         ]
1377 )
1378
1379 # Whether to force IPv4 by default (needed on broken glibc Linux)
1380 IPV4_HACK_MSG="no"
1381 AC_ARG_WITH(ipv4-default,
1382         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1383         [
1384                 if test "x$withval" != "xno" ; then
1385                         AC_DEFINE(IPV4_DEFAULT)
1386                         IPV4_HACK_MSG="yes"
1387                 fi
1388         ]
1389 )
1390
1391 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1392 IPV4_IN6_HACK_MSG="no"
1393 AC_ARG_WITH(4in6,
1394         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1395         [
1396                 if test "x$withval" != "xno" ; then
1397                         AC_MSG_RESULT(yes)
1398                         AC_DEFINE(IPV4_IN_IPV6)
1399                         IPV4_IN6_HACK_MSG="yes"
1400                 else
1401                         AC_MSG_RESULT(no)
1402                 fi
1403         ],[
1404                 if test "x$inet6_default_4in6" = "xyes"; then
1405                         AC_MSG_RESULT([yes (default)])
1406                         AC_DEFINE(IPV4_IN_IPV6)
1407                         IPV4_IN6_HACK_MSG="yes"
1408                 else
1409                         AC_MSG_RESULT([no (default)])
1410                 fi
1411         ]
1412 )
1413
1414 # Whether to enable BSD auth support
1415 AC_ARG_WITH(bsd-auth,
1416         [  --with-bsd-auth         Enable BSD auth support],
1417         [
1418                 if test "x$withval" != "xno" ; then
1419                         AC_DEFINE(BSD_AUTH)
1420                         bsd_auth=yes
1421                 fi
1422         ]
1423 )
1424
1425 AC_MSG_CHECKING(whether to install ssh as suid root)
1426 AC_ARG_ENABLE(suid-ssh,
1427 [  --enable-suid-ssh       Install ssh as suid root (default)
1428   --disable-suid-ssh      Install ssh without suid bit],
1429 [ case "$enableval" in
1430   no)
1431        AC_MSG_RESULT(no)
1432        SSHMODE=0711
1433        ;;
1434   *)   AC_MSG_RESULT(yes)
1435        SSHMODE=04711
1436        ;;
1437   esac ],
1438   AC_MSG_RESULT(yes)
1439   SSHMODE=04711
1440 )
1441 AC_SUBST(SSHMODE)
1442
1443
1444 # Where to place sshd.pid
1445 piddir=/var/run
1446 AC_ARG_WITH(pid-dir,
1447         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1448         [
1449                 if test "x$withval" != "xno" ; then
1450                         piddir=$withval
1451                 fi
1452         ]
1453 )
1454
1455 # make sure the directory exists
1456 if test ! -d $piddir ; then
1457         piddir=`eval echo ${sysconfdir}`
1458         case $piddir in
1459                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1460         esac
1461 fi
1462
1463 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1464 AC_SUBST(piddir)
1465
1466 dnl allow user to disable some login recording features
1467 AC_ARG_ENABLE(lastlog,
1468         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1469         [ AC_DEFINE(DISABLE_LASTLOG) ]
1470 )
1471 AC_ARG_ENABLE(utmp,
1472         [  --disable-utmp          disable use of utmp even if detected [no]],
1473         [ AC_DEFINE(DISABLE_UTMP) ]
1474 )
1475 AC_ARG_ENABLE(utmpx,
1476         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1477         [ AC_DEFINE(DISABLE_UTMPX) ]
1478 )
1479 AC_ARG_ENABLE(wtmp,
1480         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1481         [ AC_DEFINE(DISABLE_WTMP) ]
1482 )
1483 AC_ARG_ENABLE(wtmpx,
1484         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1485         [ AC_DEFINE(DISABLE_WTMPX) ]
1486 )
1487 AC_ARG_ENABLE(libutil,
1488         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1489         [ AC_DEFINE(DISABLE_LOGIN) ]
1490 )
1491 AC_ARG_ENABLE(pututline,
1492         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1493         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1494 )
1495 AC_ARG_ENABLE(pututxline,
1496         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1497         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1498 )
1499 AC_ARG_WITH(lastlog,
1500   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1501         [
1502                 if test "x$withval" = "xno" ; then
1503                         AC_DEFINE(DISABLE_LASTLOG)
1504                 else
1505                         conf_lastlog_location=$withval
1506                 fi
1507         ]
1508 )
1509
1510 dnl lastlog, [uw]tmpx? detection
1511 dnl  NOTE: set the paths in the platform section to avoid the
1512 dnl   need for command-line parameters
1513 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1514
1515 dnl lastlog detection
1516 dnl  NOTE: the code itself will detect if lastlog is a directory
1517 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1518 AC_TRY_COMPILE([
1519 #include <sys/types.h>
1520 #include <utmp.h>
1521 #ifdef HAVE_LASTLOG_H
1522 #  include <lastlog.h>
1523 #endif
1524 #ifdef HAVE_PATHS_H
1525 #  include <paths.h>
1526 #endif
1527         ],
1528         [ char *lastlog = LASTLOG_FILE; ],
1529         [ AC_MSG_RESULT(yes) ],
1530         [
1531                 AC_MSG_RESULT(no)
1532                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1533                 AC_TRY_COMPILE([
1534 #include <sys/types.h>
1535 #include <utmp.h>
1536 #ifdef HAVE_LASTLOG_H
1537 #  include <lastlog.h>
1538 #endif
1539 #ifdef HAVE_PATHS_H
1540 #  include <paths.h>
1541 #endif
1542                 ],
1543                 [ char *lastlog = _PATH_LASTLOG; ],
1544                 [ AC_MSG_RESULT(yes) ],
1545                 [
1546                         AC_MSG_RESULT(no)
1547                         system_lastlog_path=no
1548                 ])
1549         ]
1550 )
1551
1552 if test -z "$conf_lastlog_location"; then
1553         if test x"$system_lastlog_path" = x"no" ; then
1554                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1555                                 if (test -d "$f" || test -f "$f") ; then
1556                                         conf_lastlog_location=$f
1557                                 fi
1558                 done
1559                 if test -z "$conf_lastlog_location"; then
1560                         AC_MSG_WARN([** Cannot find lastlog **])
1561                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1562                 fi
1563         fi
1564 fi
1565
1566 if test -n "$conf_lastlog_location"; then
1567         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1568 fi
1569
1570 dnl utmp detection
1571 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1572 AC_TRY_COMPILE([
1573 #include <sys/types.h>
1574 #include <utmp.h>
1575 #ifdef HAVE_PATHS_H
1576 #  include <paths.h>
1577 #endif
1578         ],
1579         [ char *utmp = UTMP_FILE; ],
1580         [ AC_MSG_RESULT(yes) ],
1581         [ AC_MSG_RESULT(no)
1582           system_utmp_path=no ]
1583 )
1584 if test -z "$conf_utmp_location"; then
1585         if test x"$system_utmp_path" = x"no" ; then
1586                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1587                         if test -f $f ; then
1588                                 conf_utmp_location=$f
1589                         fi
1590                 done
1591                 if test -z "$conf_utmp_location"; then
1592                         AC_DEFINE(DISABLE_UTMP)
1593                 fi
1594         fi
1595 fi
1596 if test -n "$conf_utmp_location"; then
1597         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1598 fi
1599
1600 dnl wtmp detection
1601 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1602 AC_TRY_COMPILE([
1603 #include <sys/types.h>
1604 #include <utmp.h>
1605 #ifdef HAVE_PATHS_H
1606 #  include <paths.h>
1607 #endif
1608         ],
1609         [ char *wtmp = WTMP_FILE; ],
1610         [ AC_MSG_RESULT(yes) ],
1611         [ AC_MSG_RESULT(no)
1612           system_wtmp_path=no ]
1613 )
1614 if test -z "$conf_wtmp_location"; then
1615         if test x"$system_wtmp_path" = x"no" ; then
1616                 for f in /usr/adm/wtmp /var/log/wtmp; do
1617                         if test -f $f ; then
1618                                 conf_wtmp_location=$f
1619                         fi
1620                 done
1621                 if test -z "$conf_wtmp_location"; then
1622                         AC_DEFINE(DISABLE_WTMP)
1623                 fi
1624         fi
1625 fi
1626 if test -n "$conf_wtmp_location"; then
1627         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1628 fi
1629
1630
1631 dnl utmpx detection - I don't know any system so perverse as to require
1632 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1633 dnl  there, though.
1634 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1635 AC_TRY_COMPILE([
1636 #include <sys/types.h>
1637 #include <utmp.h>
1638 #ifdef HAVE_UTMPX_H
1639 #include <utmpx.h>
1640 #endif
1641 #ifdef HAVE_PATHS_H
1642 #  include <paths.h>
1643 #endif
1644         ],
1645         [ char *utmpx = UTMPX_FILE; ],
1646         [ AC_MSG_RESULT(yes) ],
1647         [ AC_MSG_RESULT(no)
1648           system_utmpx_path=no ]
1649 )
1650 if test -z "$conf_utmpx_location"; then
1651         if test x"$system_utmpx_path" = x"no" ; then
1652                 AC_DEFINE(DISABLE_UTMPX)
1653         fi
1654 else
1655         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1656 fi
1657
1658 dnl wtmpx detection
1659 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1660 AC_TRY_COMPILE([
1661 #include <sys/types.h>
1662 #include <utmp.h>
1663 #ifdef HAVE_UTMPX_H
1664 #include <utmpx.h>
1665 #endif
1666 #ifdef HAVE_PATHS_H
1667 #  include <paths.h>
1668 #endif
1669         ],
1670         [ char *wtmpx = WTMPX_FILE; ],
1671         [ AC_MSG_RESULT(yes) ],
1672         [ AC_MSG_RESULT(no)
1673           system_wtmpx_path=no ]
1674 )
1675 if test -z "$conf_wtmpx_location"; then
1676         if test x"$system_wtmpx_path" = x"no" ; then
1677                 AC_DEFINE(DISABLE_WTMPX)
1678         fi
1679 else
1680         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1681 fi
1682
1683
1684 # Change default command timeout for builtin PRNG
1685 entropy_timeout=200
1686 AC_ARG_WITH(entropy-timeout,
1687         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1688         [
1689                 if test "x$withval" != "xno" ; then
1690                         entropy_timeout=$withval
1691                 fi
1692         ]
1693 )
1694 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1695
1696
1697 if test ! -z "$blibpath" ; then
1698         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1699         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1700 fi
1701
1702 AC_EXEEXT
1703
1704 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1705
1706 # Print summary of options
1707
1708 if test x$MANTYPE = x'$(CATMAN)' ; then
1709         MAN_MSG=cat
1710 else
1711         MAN_MSG=man
1712 fi
1713 if test ! -z "$RANDOM_POOL" ; then
1714         RAND_MSG="Device ($RANDOM_POOL)"
1715 else
1716         if test ! -z "$EGD_SOCKET" ; then
1717                 RAND_MSG="EGD/PRNGD ($EGD_SOCKET)"
1718         else
1719                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1720                 BUILTIN_RNG=1
1721         fi
1722 fi
1723
1724 # Someone please show me a better way :)
1725 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1726 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1727 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1728 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1729 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1730 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1731 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1732
1733 echo ""
1734 echo "OpenSSH configured has been configured with the following options."
1735 echo "                 User binaries: $B"
1736 echo "               System binaries: $C"
1737 echo "           Configuration files: $D"
1738 echo "               Askpass program: $E"
1739 echo "                  Manual pages: $F"
1740 echo "                      PID file: $G"
1741 echo "      Random number collection: $RAND_MSG"
1742 echo "                Manpage format: $MAN_MSG"
1743 echo "                   PAM support: ${PAM_MSG}"
1744 echo "            KerberosIV support: $KRB4_MSG"
1745 echo "                   AFS support: $AFS_MSG"
1746 echo "                 S/KEY support: $SKEY_MSG"
1747 echo "          TCP Wrappers support: $TCPW_MSG"
1748 echo "          MD5 password support: $MD5_MSG"
1749 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1750 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1751 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1752
1753 if test ! -z "$bsd_auth"; then
1754         echo "              BSD Auth support: yes"
1755 fi
1756
1757 echo ""
1758
1759 echo "              Host: ${host}"
1760 echo "          Compiler: ${CC}"
1761 echo "    Compiler flags: ${CFLAGS}"
1762 echo "Preprocessor flags: ${CPPFLAGS}"
1763 echo "      Linker flags: ${LDFLAGS}"
1764 echo "         Libraries: ${LIBS}"
1765
1766 echo ""
1767
1768 if test "x$PAM_MSG" = "xyes" ; then
1769         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1770         echo "otherwise password authentication may fail. Example PAM control files"
1771         echo "can be found in the contrib/ subdirectory"
1772         echo ""
1773 fi
1774
1775 if test ! -z "$BUILTIN_RNG" ; then
1776         echo "WARNING: you are using the builtin random number collection service."
1777         echo "Please read WARNING.RNG and request that your OS vendor includes"
1778         echo "/dev/random in future versions of their OS."
1779         echo ""
1780 fi
1781
1782 if test ! -z "$NO_SFTP"; then
1783         echo "sftp-server will be disabled.  Your compiler does not support"
1784         echo "64bit integers."
1785         echo ""
1786 fi
1787