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