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         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 597                 CPPFLAGS="$saved_CPPFLAGS"
 598                 LDFLAGS="$saved_LDFLAGS"
 599                 LIBS="$saved_LIBS -lcrypto"
 600
 601                 # Skip directories if they don't exist
 602                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 603                         continue;
 604                 fi
 605                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 606                         # Try to use $ssldir/lib if it exists, otherwise
 607                         # $ssldir
 608                         if test -d "$ssldir/lib" ; then
 609                                 LDFLAGS="$LDFLAGS -L$ssldir/lib"
 610                                 if test ! -z "$need_dash_r" ; then
 611                                         LDFLAGS="$LDFLAGS -R$ssldir/lib"
 612                                 fi
 613                         else
 614                                 LDFLAGS="$LDFLAGS -L$ssldir"
 615                                 if test ! -z "$need_dash_r" ; then
 616                                         LDFLAGS="$LDFLAGS -R$ssldir"
 617                                 fi
 618                         fi
 619                         # Try to use $ssldir/include if it exists, otherwise
 620                         # $ssldir
 621                         if test -d "$ssldir/include" ; then
 622                                 CPPFLAGS="$CPPFLAGS -I$ssldir/include"
 623                         else
 624                                 CPPFLAGS="$CPPFLAGS -I$ssldir"
 625                         fi
 626                 fi
 627
 628                 # Basic test to check for compatible version and correct linking
 629                 # *does not* test for RSA - that comes later.
 630                 AC_TRY_RUN(
 631                         [
 632 #include <string.h>
 633 #include <openssl/rand.h>
 634 int main(void)
 635 {
 636         char a[2048];
 637         memset(a, 0, sizeof(a));
 638         RAND_add(a, sizeof(a), sizeof(a));
 639         return(RAND_status() <= 0);
 640 }
 641                         ],
 642                         [
 643                                 found_crypto=1
 644                                 break;
 645                         ], []
 646                 )
 647
 648                 if test ! -z "$found_crypto" ; then
 649                         break;
 650                 fi
 651         done
 652
 653         if test -z "$found_crypto" ; then
 654                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 655         fi
 656         if test -z "$ssldir" ; then
 657                 ssldir="(system)"
 658         fi
 659
 660         ac_cv_openssldir=$ssldir
 661 ])
 662
 663 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 664         AC_DEFINE(HAVE_OPENSSL)
 665         dnl Need to recover ssldir - test above runs in subshell
 666         ssldir=$ac_cv_openssldir
 667         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 668                 # Try to use $ssldir/lib if it exists, otherwise
 669                 # $ssldir
 670                 if test -d "$ssldir/lib" ; then
 671                         LDFLAGS="$LDFLAGS -L$ssldir/lib"
 672                         if test ! -z "$need_dash_r" ; then
 673                                 LDFLAGS="$LDFLAGS -R$ssldir/lib"
 674                         fi
 675                 else
 676                         LDFLAGS="$LDFLAGS -L$ssldir"
 677                         if test ! -z "$need_dash_r" ; then
 678                                 LDFLAGS="$LDFLAGS -R$ssldir"
 679                         fi
 680                 fi
 681                 # Try to use $ssldir/include if it exists, otherwise
 682                 # $ssldir
 683                 if test -d "$ssldir/include" ; then
 684                         CPPFLAGS="$CPPFLAGS -I$ssldir/include"
 685                 else
 686                         CPPFLAGS="$CPPFLAGS -I$ssldir"
 687                 fi
 688         fi
 689 fi
 690 LIBS="$saved_LIBS -lcrypto"
 691
 692 # Now test RSA support
 693 saved_LIBS="$LIBS"
 694 AC_MSG_CHECKING([for RSA support])
 695 for WANTS_RSAREF in "" 1 ; do
 696         if test -z "$WANTS_RSAREF" ; then
 697                 LIBS="$saved_LIBS"
 698         else
 699                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 700         fi
 701         AC_TRY_RUN([
 702 #include <string.h>
 703 #include <openssl/rand.h>
 704 #include <openssl/rsa.h>
 705 #include <openssl/bn.h>
 706 #include <openssl/sha.h>
 707 int main(void)
 708 {
 709         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 710         unsigned char c[256], p[256];
 711         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 712         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 713         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 714         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 715 }
 716         ],
 717         [
 718                 rsa_works=1
 719                 break;
 720         ], [])
 721 done
 722
 723 if test ! -z "$no_rsa" ; then
 724         AC_MSG_RESULT(disabled)
 725         RSA_MSG="disabled"
 726 else
 727         if test -z "$rsa_works" ; then
 728                 AC_MSG_WARN([*** No RSA support found *** ])
 729                 RSA_MSG="no"
 730         else
 731                 if test -z "$WANTS_RSAREF" ; then
 732                         AC_MSG_RESULT(yes)
 733                         RSA_MSG="yes"
 734                 else
 735                         RSA_MSG="yes (using RSAref)"
 736                         AC_MSG_RESULT(using RSAref)
 737                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 738                 fi
 739         fi
 740 fi
 741
 742 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 743 # version in OpenSSL. Skip this for PAM
 744 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 745         AC_CHECK_LIB(crypt, crypt, , )
 746 fi
 747
 748 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 749 if test ! -z "$SONY" ; then
 750   LIBS="$LIBS -liberty";
 751 fi
 752
 753 # Checks for data types
 754 AC_CHECK_SIZEOF(char, 1)
 755 AC_CHECK_SIZEOF(short int, 2)
 756 AC_CHECK_SIZEOF(int, 4)
 757 AC_CHECK_SIZEOF(long int, 4)
 758 AC_CHECK_SIZEOF(long long int, 8)
 759
 760 # More checks for data types
 761 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 762         AC_TRY_COMPILE(
 763                 [ #include <sys/types.h> ],
 764                 [ u_int a; a = 1;],
 765                 [ ac_cv_have_u_int="yes" ],
 766                 [ ac_cv_have_u_int="no" ]
 767         )
 768 ])
 769 if test "x$ac_cv_have_u_int" = "xyes" ; then
 770         AC_DEFINE(HAVE_U_INT)
 771         have_u_int=1
 772 fi
 773
 774 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 775         AC_TRY_COMPILE(
 776                 [ #include <sys/types.h> ],
 777                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 778                 [ ac_cv_have_intxx_t="yes" ],
 779                 [ ac_cv_have_intxx_t="no" ]
 780         )
 781 ])
 782 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 783         AC_DEFINE(HAVE_INTXX_T)
 784         have_intxx_t=1
 785 fi
 786
 787 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 788         AC_TRY_COMPILE(
 789                 [ #include <sys/types.h> ],
 790                 [ int64_t a; a = 1;],
 791                 [ ac_cv_have_int64_t="yes" ],
 792                 [ ac_cv_have_int64_t="no" ]
 793         )
 794 ])
 795 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 796         AC_DEFINE(HAVE_INT64_T)
 797         have_int64_t=1
 798 fi
 799
 800 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 801         AC_TRY_COMPILE(
 802                 [ #include <sys/types.h> ],
 803                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 804                 [ ac_cv_have_u_intxx_t="yes" ],
 805                 [ ac_cv_have_u_intxx_t="no" ]
 806         )
 807 ])
 808 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 809         AC_DEFINE(HAVE_U_INTXX_T)
 810         have_u_intxx_t=1
 811 fi
 812
 813 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 814         AC_TRY_COMPILE(
 815                 [ #include <sys/types.h> ],
 816                 [ u_int64_t a; a = 1;],
 817                 [ ac_cv_have_u_int64_t="yes" ],
 818                 [ ac_cv_have_u_int64_t="no" ]
 819         )
 820 ])
 821 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 822         AC_DEFINE(HAVE_U_INT64_T)
 823         have_u_int64_t=1
 824 fi
 825
 826 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 827            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 828 then
 829         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 830         AC_TRY_COMPILE(
 831                 [
 832 #include <sys/bitypes.h>
 833                 ],
 834                 [
 835                         int8_t a; int16_t b; int32_t c;
 836                         u_int8_t e; u_int16_t f; u_int32_t g;
 837                         a = b = c = e = f = g = 1;
 838                 ],
 839                 [
 840                         AC_DEFINE(HAVE_U_INTXX_T)
 841                         AC_DEFINE(HAVE_INTXX_T)
 842                         AC_MSG_RESULT(yes)
 843                 ],
 844                 [AC_MSG_RESULT(no)]
 845         )
 846 fi
 847
 848 if test -z "$have_u_intxx_t" ; then
 849         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 850                 AC_TRY_COMPILE(
 851                         [
 852 #include <sys/types.h>
 853                         ],
 854                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 855                         [ ac_cv_have_uintxx_t="yes" ],
 856                         [ ac_cv_have_uintxx_t="no" ]
 857                 )
 858         ])
 859         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 860                 AC_DEFINE(HAVE_UINTXX_T)
 861         fi
 862 fi
 863
 864 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 865         AC_TRY_COMPILE(
 866                 [
 867 #include <sys/types.h>
 868 #include <sys/socket.h>
 869                 ],
 870                 [socklen_t foo; foo = 1235;],
 871                 [ ac_cv_have_socklen_t="yes" ],
 872                 [ ac_cv_have_socklen_t="no" ]
 873         )
 874 ])
 875 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 876         AC_DEFINE(HAVE_SOCKLEN_T)
 877 fi
 878
 879 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 880         AC_TRY_COMPILE(
 881                 [
 882 #include <sys/types.h>
 883                 ],
 884                 [ size_t foo; foo = 1235; ],
 885                 [ ac_cv_have_size_t="yes" ],
 886                 [ ac_cv_have_size_t="no" ]
 887         )
 888 ])
 889 if test "x$ac_cv_have_size_t" = "xyes" ; then
 890         AC_DEFINE(HAVE_SIZE_T)
 891 fi
 892
 893 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 894         AC_TRY_COMPILE(
 895                 [
 896 #include <sys/types.h>
 897                 ],
 898                 [ ssize_t foo; foo = 1235; ],
 899                 [ ac_cv_have_ssize_t="yes" ],
 900                 [ ac_cv_have_ssize_t="no" ]
 901         )
 902 ])
 903 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 904         AC_DEFINE(HAVE_SSIZE_T)
 905 fi
 906
 907 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 908         AC_TRY_COMPILE(
 909                 [
 910 #include <time.h>
 911                 ],
 912                 [ clock_t foo; foo = 1235; ],
 913                 [ ac_cv_have_clock_t="yes" ],
 914                 [ ac_cv_have_clock_t="no" ]
 915         )
 916 ])
 917 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 918         AC_DEFINE(HAVE_CLOCK_T)
 919 fi
 920
 921 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 922         AC_TRY_COMPILE(
 923                 [
 924 #include <sys/types.h>
 925 #include <sys/socket.h>
 926                 ],
 927                 [ sa_family_t foo; foo = 1235; ],
 928                 [ ac_cv_have_sa_family_t="yes" ],
 929                 [ AC_TRY_COMPILE(
 930                   [
 931 #include <sys/types.h>
 932 #include <sys/socket.h>
 933 #include <netinet/in.h>
 934                 ],
 935                 [ sa_family_t foo; foo = 1235; ],
 936                 [ ac_cv_have_sa_family_t="yes" ],
 937
 938                 [ ac_cv_have_sa_family_t="no" ]
 939         )]
 940         )
 941 ])
 942 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 943         AC_DEFINE(HAVE_SA_FAMILY_T)
 944 fi
 945
 946 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 947         AC_TRY_COMPILE(
 948                 [
 949 #include <sys/types.h>
 950                 ],
 951                 [ pid_t foo; foo = 1235; ],
 952                 [ ac_cv_have_pid_t="yes" ],
 953                 [ ac_cv_have_pid_t="no" ]
 954         )
 955 ])
 956 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 957         AC_DEFINE(HAVE_PID_T)
 958 fi
 959
 960 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 961         AC_TRY_COMPILE(
 962                 [
 963 #include <sys/types.h>
 964                 ],
 965                 [ mode_t foo; foo = 1235; ],
 966                 [ ac_cv_have_mode_t="yes" ],
 967                 [ ac_cv_have_mode_t="no" ]
 968         )
 969 ])
 970 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 971         AC_DEFINE(HAVE_MODE_T)
 972 fi
 973
 974
 975 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 976         AC_TRY_COMPILE(
 977                 [
 978 #include <sys/types.h>
 979 #include <sys/socket.h>
 980                 ],
 981                 [ struct sockaddr_storage s; ],
 982                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 983                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 984         )
 985 ])
 986 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 987         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 988 fi
 989
 990 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 991         AC_TRY_COMPILE(
 992                 [
 993 #include <sys/types.h>
 994 #include <netinet/in.h>
 995                 ],
 996                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 997                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 998                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 999         )
1000 ])
1001 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1002         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1003 fi
1004
1005 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1006         AC_TRY_COMPILE(
1007                 [
1008 #include <sys/types.h>
1009 #include <netinet/in.h>
1010                 ],
1011                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1012                 [ ac_cv_have_struct_in6_addr="yes" ],
1013                 [ ac_cv_have_struct_in6_addr="no" ]
1014         )
1015 ])
1016 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1017         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1018 fi
1019
1020 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1021         AC_TRY_COMPILE(
1022                 [
1023 #include <sys/types.h>
1024 #include <sys/socket.h>
1025 #include <netdb.h>
1026                 ],
1027                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1028                 [ ac_cv_have_struct_addrinfo="yes" ],
1029                 [ ac_cv_have_struct_addrinfo="no" ]
1030         )
1031 ])
1032 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1033         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1034 fi
1035
1036 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1037         AC_TRY_COMPILE(
1038                 [ #include <sys/time.h> ],
1039                 [ struct timeval tv; tv.tv_sec = 1;],
1040                 [ ac_cv_have_struct_timeval="yes" ],
1041                 [ ac_cv_have_struct_timeval="no" ]
1042         )
1043 ])
1044 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1045         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1046         have_struct_timeval=1
1047 fi
1048
1049 # If we don't have int64_t then we can't compile sftp-server.  So don't
1050 # even attempt to do it.
1051 if test "x$ac_cv_have_int64_t" = "xno" -a \
1052         "x$ac_cv_sizeof_long_int" != "x8" -a \
1053         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1054         NO_SFTP='#'
1055 fi
1056 AC_SUBST(NO_SFTP)
1057
1058 dnl Checks for structure members
1059 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1060 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1061 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1062 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1063 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1064 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1065 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1066 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1067 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1068 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1069 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1072 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1073 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1074 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1076 AC_STRUCT_ST_BLKSIZE
1077
1078 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1079                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1080         AC_TRY_COMPILE(
1081                 [
1082 #include <sys/types.h>
1083 #include <sys/socket.h>
1084                 ],
1085                 [ struct sockaddr_un s; s.sun_len = 1; ],
1086                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1087                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1088         )
1089 ])
1090 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1091         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1092 fi
1093
1094 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1095                 ac_cv_have_ss_family_in_struct_ss, [
1096         AC_TRY_COMPILE(
1097                 [
1098 #include <sys/types.h>
1099 #include <sys/socket.h>
1100                 ],
1101                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1102                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1103                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1104         )
1105 ])
1106 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1107         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1108 fi
1109
1110 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1111                 ac_cv_have___ss_family_in_struct_ss, [
1112         AC_TRY_COMPILE(
1113                 [
1114 #include <sys/types.h>
1115 #include <sys/socket.h>
1116                 ],
1117                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1118                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1119                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1120         )
1121 ])
1122 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1123         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1124 fi
1125
1126 AC_CACHE_CHECK([for pw_class field in struct passwd],
1127                 ac_cv_have_pw_class_in_struct_passwd, [
1128         AC_TRY_COMPILE(
1129                 [
1130 #include <pwd.h>
1131                 ],
1132                 [ struct passwd p; p.pw_class = 0; ],
1133                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1134                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1135         )
1136 ])
1137 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1138         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1139 fi
1140
1141
1142 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1143         AC_TRY_LINK([],
1144                 [ extern char *__progname; printf("%s", __progname); ],
1145                 [ ac_cv_libc_defines___progname="yes" ],
1146                 [ ac_cv_libc_defines___progname="no" ]
1147         )
1148 ])
1149 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1150         AC_DEFINE(HAVE___PROGNAME)
1151 fi
1152
1153
1154 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1155         AC_TRY_LINK([],
1156                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1157                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1158                 [ ac_cv_libc_defines_sys_errlist="no" ]
1159         )
1160 ])
1161 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1162         AC_DEFINE(HAVE_SYS_ERRLIST)
1163 fi
1164
1165
1166 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1167         AC_TRY_LINK([],
1168                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1169                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1170                 [ ac_cv_libc_defines_sys_nerr="no" ]
1171         )
1172 ])
1173 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1174         AC_DEFINE(HAVE_SYS_NERR)
1175 fi
1176
1177
1178 # Looking for programs, paths and files
1179 AC_ARG_WITH(rsh,
1180         [  --with-rsh=PATH         Specify path to remote shell program ],
1181         [
1182                 if test "x$withval" != "$no" ; then
1183                         rsh_path=$withval
1184                 fi
1185         ],
1186         [
1187                 AC_PATH_PROG(rsh_path, rsh)
1188         ]
1189 )
1190
1191 AC_ARG_WITH(xauth,
1192         [  --with-xauth=PATH       Specify path to xauth program ],
1193         [
1194                 if test "x$withval" != "xno" ; then
1195                         xauth_path=$withval
1196                 fi
1197         ],
1198         [
1199                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1200                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1201                         xauth_path="/usr/openwin/bin/xauth"
1202                 fi
1203         ]
1204 )
1205
1206 if test -z "$xauth_path" ; then
1207         XAUTH_PATH="undefined"
1208         AC_SUBST(XAUTH_PATH)
1209 else
1210         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1211         XAUTH_PATH=$xauth_path
1212         AC_SUBST(XAUTH_PATH)
1213 fi
1214 if test ! -z "$rsh_path" ; then
1215         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1216 fi
1217
1218 # Check for mail directory (last resort if we cannot get it from headers)
1219 if test ! -z "$MAIL" ; then
1220         maildir=`dirname $MAIL`
1221         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1222 fi
1223
1224 if test -z "$no_dev_ptmx" ; then
1225         AC_CHECK_FILE("/dev/ptmx",
1226                 [
1227                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1228                         have_dev_ptmx=1
1229                 ]
1230         )
1231 fi
1232 AC_CHECK_FILE("/dev/ptc",
1233         [
1234                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1235                 have_dev_ptc=1
1236         ]
1237 )
1238
1239 # Options from here on. Some of these are preset by platform above
1240
1241 # Check for user-specified random device, otherwise check /dev/urandom
1242 AC_ARG_WITH(random,
1243         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1244         [
1245                 if test "x$withval" != "xno" ; then
1246                         RANDOM_POOL="$withval";
1247                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1248                 fi
1249         ],
1250         [
1251                 # Check for random device
1252                 AC_CHECK_FILE("/dev/urandom",
1253                         [
1254                                 RANDOM_POOL="/dev/urandom";
1255                                 AC_SUBST(RANDOM_POOL)
1256                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1257                         ]
1258                 )
1259         ]
1260 )
1261
1262 # Check for EGD pool file
1263 AC_ARG_WITH(egd-pool,
1264         [  --with-egd-pool=FILE    read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1265         [
1266                 if test "x$withval" != "xno" ; then
1267                         EGD_SOCKET="$withval";
1268                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1269                 fi
1270         ],
1271         [
1272                 # Check for existing socket only if we don't have a random device already
1273                 if test -z "$RANDOM_POOL" ; then
1274                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1275                         # Insert other locations here
1276                         for egdsock in /var/run/egd-pool /etc/entropy /tmp/entropy ; do
1277                                 if test -r $egdsock && $TEST_MINUS_S_SH -c "test -S $egdsock -o -p $egdsock" ; then
1278                                         EGD_SOCKET="$egdsock"
1279                                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1280                                         break;
1281                                 fi
1282                         done
1283                         if test -x "$EGD_SOCKET" ; then
1284                                 AC_MSG_RESULT($EGD_SOCKET)
1285                         else
1286                                 AC_MSG_RESULT(not found)
1287                         fi
1288                 fi
1289         ]
1290 )
1291
1292
1293 # detect pathnames for entropy gathering commands, if we need them
1294 INSTALL_SSH_PRNG_CMDS=""
1295 rm -f prng_commands
1296 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1297         # Use these commands to collect entropy
1298         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1299         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1300         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1301         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1302         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1303         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1304         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1305         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1306         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1307         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1308         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1309         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1310         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1311         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1312
1313         INSTALL_SSH_PRNG_CMDS="yes"
1314 fi
1315 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1316
1317
1318 AC_ARG_WITH(catman,
1319         [  --with-catman=man|cat   Install preformatted manpages[no]],
1320         [
1321                 MANTYPE='$(CATMAN)'
1322                 if test x"$withval" != x"yes" ; then
1323                    mansubdir=$withval
1324                 else
1325                    mansubdir=cat
1326                 fi
1327         ], [
1328                 if test -z "$MANTYPE" ; then
1329                         MANTYPE='$(TROFFMAN)'
1330                         mansubdir=man
1331                 fi
1332         ]
1333 )
1334 AC_SUBST(MANTYPE)
1335 AC_SUBST(mansubdir)
1336
1337 # Check whether to enable MD5 passwords
1338 MD5_MSG="no"
1339 AC_ARG_WITH(md5-passwords,
1340         [  --with-md5-passwords    Enable use of MD5 passwords],
1341         [
1342                 if test "x$withval" != "xno" ; then
1343                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1344                         MD5_MSG="yes"
1345                 fi
1346         ]
1347 )
1348
1349 # Whether to disable shadow password support
1350 AC_ARG_WITH(shadow,
1351         [  --without-shadow        Disable shadow password support],
1352         [
1353                 if test "x$withval" = "xno" ; then
1354                         AC_DEFINE(DISABLE_SHADOW)
1355                         disable_shadow=yes
1356                 fi
1357         ]
1358 )
1359
1360 if test -z "$disable_shadow" ; then
1361         AC_MSG_CHECKING([if the systems has expire shadow information])
1362         AC_TRY_COMPILE(
1363         [
1364 #include <sys/types.h>
1365 #include <shadow.h>
1366         struct spwd sp;
1367         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1368         [ sp_expire_available=yes ], []
1369         )
1370
1371         if test "x$sp_expire_available" = "xyes" ; then
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1374         else
1375                 AC_MSG_RESULT(no)
1376         fi
1377 fi
1378
1379 # Use ip address instead of hostname in $DISPLAY
1380 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1381         DISPLAY_HACK_MSG="yes"
1382         AC_DEFINE(IPADDR_IN_DISPLAY)
1383 else
1384         DISPLAY_HACK_MSG="no"
1385         AC_ARG_WITH(ipaddr-display,
1386                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1387                 [
1388                         if test "x$withval" != "xno" ; then
1389                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1390                                 DISPLAY_HACK_MSG="yes"
1391                         fi
1392                 ]
1393         )
1394 fi
1395
1396 # Whether to mess with the default path
1397 SERVER_PATH_MSG="(default)"
1398 AC_ARG_WITH(default-path,
1399         [  --with-default-path=PATH Specify default \$PATH environment for server],
1400         [
1401                 if test "x$withval" != "xno" ; then
1402                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1403                         SERVER_PATH_MSG="$withval"
1404                 fi
1405         ]
1406 )
1407
1408 # Whether to force IPv4 by default (needed on broken glibc Linux)
1409 IPV4_HACK_MSG="no"
1410 AC_ARG_WITH(ipv4-default,
1411         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1412         [
1413                 if test "x$withval" != "xno" ; then
1414                         AC_DEFINE(IPV4_DEFAULT)
1415                         IPV4_HACK_MSG="yes"
1416                 fi
1417         ]
1418 )
1419
1420 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1421 IPV4_IN6_HACK_MSG="no"
1422 AC_ARG_WITH(4in6,
1423         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1424         [
1425                 if test "x$withval" != "xno" ; then
1426                         AC_MSG_RESULT(yes)
1427                         AC_DEFINE(IPV4_IN_IPV6)
1428                         IPV4_IN6_HACK_MSG="yes"
1429                 else
1430                         AC_MSG_RESULT(no)
1431                 fi
1432         ],[
1433                 if test "x$inet6_default_4in6" = "xyes"; then
1434                         AC_MSG_RESULT([yes (default)])
1435                         AC_DEFINE(IPV4_IN_IPV6)
1436                         IPV4_IN6_HACK_MSG="yes"
1437                 else
1438                         AC_MSG_RESULT([no (default)])
1439                 fi
1440         ]
1441 )
1442
1443 # Whether to enable BSD auth support
1444 AC_ARG_WITH(bsd-auth,
1445         [  --with-bsd-auth         Enable BSD auth support],
1446         [
1447                 if test "x$withval" != "xno" ; then
1448                         AC_DEFINE(BSD_AUTH)
1449                         bsd_auth=yes
1450                 fi
1451         ]
1452 )
1453
1454 AC_MSG_CHECKING(whether to install ssh as suid root)
1455 AC_ARG_ENABLE(suid-ssh,
1456 [  --enable-suid-ssh       Install ssh as suid root (default)
1457   --disable-suid-ssh      Install ssh without suid bit],
1458 [ case "$enableval" in
1459   no)
1460        AC_MSG_RESULT(no)
1461        SSHMODE=0711
1462        ;;
1463   *)   AC_MSG_RESULT(yes)
1464        SSHMODE=04711
1465        ;;
1466   esac ],
1467   AC_MSG_RESULT(yes)
1468   SSHMODE=04711
1469 )
1470 AC_SUBST(SSHMODE)
1471
1472
1473 # Where to place sshd.pid
1474 piddir=/var/run
1475 AC_ARG_WITH(pid-dir,
1476         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1477         [
1478                 if test "x$withval" != "xno" ; then
1479                         piddir=$withval
1480                 fi
1481         ]
1482 )
1483
1484 # make sure the directory exists
1485 if test ! -d $piddir ; then
1486         piddir=`eval echo ${sysconfdir}`
1487         case $piddir in
1488                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1489         esac
1490 fi
1491
1492 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1493 AC_SUBST(piddir)
1494
1495 dnl allow user to disable some login recording features
1496 AC_ARG_ENABLE(lastlog,
1497         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1498         [ AC_DEFINE(DISABLE_LASTLOG) ]
1499 )
1500 AC_ARG_ENABLE(utmp,
1501         [  --disable-utmp          disable use of utmp even if detected [no]],
1502         [ AC_DEFINE(DISABLE_UTMP) ]
1503 )
1504 AC_ARG_ENABLE(utmpx,
1505         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1506         [ AC_DEFINE(DISABLE_UTMPX) ]
1507 )
1508 AC_ARG_ENABLE(wtmp,
1509         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1510         [ AC_DEFINE(DISABLE_WTMP) ]
1511 )
1512 AC_ARG_ENABLE(wtmpx,
1513         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1514         [ AC_DEFINE(DISABLE_WTMPX) ]
1515 )
1516 AC_ARG_ENABLE(libutil,
1517         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1518         [ AC_DEFINE(DISABLE_LOGIN) ]
1519 )
1520 AC_ARG_ENABLE(pututline,
1521         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1522         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1523 )
1524 AC_ARG_ENABLE(pututxline,
1525         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1526         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1527 )
1528 AC_ARG_WITH(lastlog,
1529   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1530         [
1531                 if test "x$withval" = "xno" ; then
1532                         AC_DEFINE(DISABLE_LASTLOG)
1533                 else
1534                         conf_lastlog_location=$withval
1535                 fi
1536         ]
1537 )
1538
1539 dnl lastlog, [uw]tmpx? detection
1540 dnl  NOTE: set the paths in the platform section to avoid the
1541 dnl   need for command-line parameters
1542 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1543
1544 dnl lastlog detection
1545 dnl  NOTE: the code itself will detect if lastlog is a directory
1546 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1547 AC_TRY_COMPILE([
1548 #include <sys/types.h>
1549 #include <utmp.h>
1550 #ifdef HAVE_LASTLOG_H
1551 #  include <lastlog.h>
1552 #endif
1553 #ifdef HAVE_PATHS_H
1554 #  include <paths.h>
1555 #endif
1556         ],
1557         [ char *lastlog = LASTLOG_FILE; ],
1558         [ AC_MSG_RESULT(yes) ],
1559         [
1560                 AC_MSG_RESULT(no)
1561                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1562                 AC_TRY_COMPILE([
1563 #include <sys/types.h>
1564 #include <utmp.h>
1565 #ifdef HAVE_LASTLOG_H
1566 #  include <lastlog.h>
1567 #endif
1568 #ifdef HAVE_PATHS_H
1569 #  include <paths.h>
1570 #endif
1571                 ],
1572                 [ char *lastlog = _PATH_LASTLOG; ],
1573                 [ AC_MSG_RESULT(yes) ],
1574                 [
1575                         AC_MSG_RESULT(no)
1576                         system_lastlog_path=no
1577                 ])
1578         ]
1579 )
1580
1581 if test -z "$conf_lastlog_location"; then
1582         if test x"$system_lastlog_path" = x"no" ; then
1583                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1584                                 if (test -d "$f" || test -f "$f") ; then
1585                                         conf_lastlog_location=$f
1586                                 fi
1587                 done
1588                 if test -z "$conf_lastlog_location"; then
1589                         AC_MSG_WARN([** Cannot find lastlog **])
1590                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1591                 fi
1592         fi
1593 fi
1594
1595 if test -n "$conf_lastlog_location"; then
1596         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1597 fi
1598
1599 dnl utmp detection
1600 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1601 AC_TRY_COMPILE([
1602 #include <sys/types.h>
1603 #include <utmp.h>
1604 #ifdef HAVE_PATHS_H
1605 #  include <paths.h>
1606 #endif
1607         ],
1608         [ char *utmp = UTMP_FILE; ],
1609         [ AC_MSG_RESULT(yes) ],
1610         [ AC_MSG_RESULT(no)
1611           system_utmp_path=no ]
1612 )
1613 if test -z "$conf_utmp_location"; then
1614         if test x"$system_utmp_path" = x"no" ; then
1615                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1616                         if test -f $f ; then
1617                                 conf_utmp_location=$f
1618                         fi
1619                 done
1620                 if test -z "$conf_utmp_location"; then
1621                         AC_DEFINE(DISABLE_UTMP)
1622                 fi
1623         fi
1624 fi
1625 if test -n "$conf_utmp_location"; then
1626         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1627 fi
1628
1629 dnl wtmp detection
1630 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1631 AC_TRY_COMPILE([
1632 #include <sys/types.h>
1633 #include <utmp.h>
1634 #ifdef HAVE_PATHS_H
1635 #  include <paths.h>
1636 #endif
1637         ],
1638         [ char *wtmp = WTMP_FILE; ],
1639         [ AC_MSG_RESULT(yes) ],
1640         [ AC_MSG_RESULT(no)
1641           system_wtmp_path=no ]
1642 )
1643 if test -z "$conf_wtmp_location"; then
1644         if test x"$system_wtmp_path" = x"no" ; then
1645                 for f in /usr/adm/wtmp /var/log/wtmp; do
1646                         if test -f $f ; then
1647                                 conf_wtmp_location=$f
1648                         fi
1649                 done
1650                 if test -z "$conf_wtmp_location"; then
1651                         AC_DEFINE(DISABLE_WTMP)
1652                 fi
1653         fi
1654 fi
1655 if test -n "$conf_wtmp_location"; then
1656         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1657 fi
1658
1659
1660 dnl utmpx detection - I don't know any system so perverse as to require
1661 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1662 dnl  there, though.
1663 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1664 AC_TRY_COMPILE([
1665 #include <sys/types.h>
1666 #include <utmp.h>
1667 #ifdef HAVE_UTMPX_H
1668 #include <utmpx.h>
1669 #endif
1670 #ifdef HAVE_PATHS_H
1671 #  include <paths.h>
1672 #endif
1673         ],
1674         [ char *utmpx = UTMPX_FILE; ],
1675         [ AC_MSG_RESULT(yes) ],
1676         [ AC_MSG_RESULT(no)
1677           system_utmpx_path=no ]
1678 )
1679 if test -z "$conf_utmpx_location"; then
1680         if test x"$system_utmpx_path" = x"no" ; then
1681                 AC_DEFINE(DISABLE_UTMPX)
1682         fi
1683 else
1684         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1685 fi
1686
1687 dnl wtmpx detection
1688 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1689 AC_TRY_COMPILE([
1690 #include <sys/types.h>
1691 #include <utmp.h>
1692 #ifdef HAVE_UTMPX_H
1693 #include <utmpx.h>
1694 #endif
1695 #ifdef HAVE_PATHS_H
1696 #  include <paths.h>
1697 #endif
1698         ],
1699         [ char *wtmpx = WTMPX_FILE; ],
1700         [ AC_MSG_RESULT(yes) ],
1701         [ AC_MSG_RESULT(no)
1702           system_wtmpx_path=no ]
1703 )
1704 if test -z "$conf_wtmpx_location"; then
1705         if test x"$system_wtmpx_path" = x"no" ; then
1706                 AC_DEFINE(DISABLE_WTMPX)
1707         fi
1708 else
1709         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1710 fi
1711
1712
1713 # Change default command timeout for builtin PRNG
1714 entropy_timeout=200
1715 AC_ARG_WITH(entropy-timeout,
1716         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1717         [
1718                 if test "x$withval" != "xno" ; then
1719                         entropy_timeout=$withval
1720                 fi
1721         ]
1722 )
1723 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1724
1725
1726 if test ! -z "$blibpath" ; then
1727         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1728         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1729 fi
1730
1731 AC_EXEEXT
1732
1733 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1734
1735 # Print summary of options
1736
1737 if test x$MANTYPE = x'$(CATMAN)' ; then
1738         MAN_MSG=cat
1739 else
1740         MAN_MSG=man
1741 fi
1742 if test ! -z "$RANDOM_POOL" ; then
1743         RAND_MSG="Device ($RANDOM_POOL)"
1744 else
1745         if test ! -z "$EGD_SOCKET" ; then
1746                 RAND_MSG="EGD/PRNGD ($EGD_SOCKET)"
1747         else
1748                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1749                 BUILTIN_RNG=1
1750         fi
1751 fi
1752
1753 # Someone please show me a better way :)
1754 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1755 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1756 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1757 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1758 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1759 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1760 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1761
1762 echo ""
1763 echo "OpenSSH configured has been configured with the following options."
1764 echo "                 User binaries: $B"
1765 echo "               System binaries: $C"
1766 echo "           Configuration files: $D"
1767 echo "               Askpass program: $E"
1768 echo "                  Manual pages: $F"
1769 echo "                      PID file: $G"
1770 echo "      Random number collection: $RAND_MSG"
1771 echo "                Manpage format: $MAN_MSG"
1772 echo "                   PAM support: ${PAM_MSG}"
1773 echo "            KerberosIV support: $KRB4_MSG"
1774 echo "                   AFS support: $AFS_MSG"
1775 echo "                 S/KEY support: $SKEY_MSG"
1776 echo "          TCP Wrappers support: $TCPW_MSG"
1777 echo "          MD5 password support: $MD5_MSG"
1778 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1779 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1780 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1781
1782 if test ! -z "$bsd_auth"; then
1783         echo "              BSD Auth support: yes"
1784 fi
1785
1786 echo ""
1787
1788 echo "              Host: ${host}"
1789 echo "          Compiler: ${CC}"
1790 echo "    Compiler flags: ${CFLAGS}"
1791 echo "Preprocessor flags: ${CPPFLAGS}"
1792 echo "      Linker flags: ${LDFLAGS}"
1793 echo "         Libraries: ${LIBS}"
1794
1795 echo ""
1796
1797 if test "x$PAM_MSG" = "xyes" ; then
1798         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1799         echo "otherwise password authentication may fail. Example PAM control files"
1800         echo "can be found in the contrib/ subdirectory"
1801         echo ""
1802 fi
1803
1804 if test ! -z "$BUILTIN_RNG" ; then
1805         echo "WARNING: you are using the builtin random number collection service."
1806         echo "Please read WARNING.RNG and request that your OS vendor includes"
1807         echo "/dev/random in future versions of their OS."
1808         echo ""
1809 fi
1810
1811 if test ! -z "$NO_SFTP"; then
1812         echo "sftp-server will be disabled.  Your compiler does not support"
1813         echo "64bit integers."
1814         echo ""
1815 fi
1816