configure.in

   1 AC_INIT(ssh.c)
   2
   3 AC_CONFIG_HEADER(config.h)
   4 AC_PROG_CC
   5 AC_CANONICAL_HOST
   6
   7 # Checks for programs.
   8 AC_PROG_CPP
   9 AC_PROG_RANLIB
  10 AC_PROG_INSTALL
  11 AC_CHECK_PROG(AR, ar, ar)
  12 AC_PATH_PROG(PERL, perl)
  13 AC_SUBST(PERL)
  14 AC_PATH_PROG(ENT, ent)
  15 AC_SUBST(ENT)
  16 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  17
  18 if test -z "$AR" ; then
  19         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  20 fi
  21
  22 # Use LOGIN_PROGRAM from environment if possible
  23 if test ! -z "$LOGIN_PROGRAM" ; then
  24         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  25 else
  26         # Search for login
  27         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  28         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  29                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  30         fi
  31 fi
  32
  33 if test -z "$LD" ; then
  34         LD=$CC
  35 fi
  36 AC_SUBST(LD)
  37
  38 # C Compiler features
  39 AC_C_INLINE
  40 if test "$GCC" = "yes"; then
  41         CFLAGS="$CFLAGS -Wall"
  42 fi
  43
  44 # Check for some target-specific stuff
  45 case "$host" in
  46 *-*-aix*)
  47         AFS_LIBS="-lld"
  48         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  49         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  50         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  51                 blibpath="/usr/lib:/lib:/usr/local/lib"
  52         fi
  53         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  54         AC_DEFINE(BROKEN_GETADDRINFO)
  55         MANTYPE='$(CATMAN)'
  56         mansubdir=cat
  57         dnl AIX handles lastlog as part of its login message
  58         AC_DEFINE(DISABLE_LASTLOG)
  59         MANTYPE='$(CATMAN)'
  60         mansubdir=cat
  61         ;;
  62 *-*-cygwin*)
  63         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  64         AC_DEFINE(HAVE_CYGWIN)
  65         AC_DEFINE(DISABLE_PAM)
  66         AC_DEFINE(DISABLE_SHADOW)
  67         AC_DEFINE(IPV4_DEFAULT)
  68         AC_DEFINE(IP_TOS_IS_BROKEN)
  69         AC_DEFINE(BROKEN_VHANGUP)
  70         no_pam=1
  71         no_libsocket=1
  72         no_libnsl=1
  73         ;;
  74 *-*-hpux10*)
  75         if test -z "$GCC"; then
  76                 CFLAGS="$CFLAGS -Ae"
  77         fi
  78         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  79         IPADDR_IN_DISPLAY=yes
  80         AC_DEFINE(USE_PIPES)
  81         AC_DEFINE(DISABLE_SHADOW)
  82         AC_DEFINE(DISABLE_UTMP)
  83         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  84         LIBS="$LIBS -lsec"
  85         MANTYPE='$(CATMAN)'
  86         mansubdir=cat
  87         ;;
  88 *-*-hpux11*)
  89         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  90         IPADDR_IN_DISPLAY=yes
  91         AC_DEFINE(PAM_SUN_CODEBASE)
  92         AC_DEFINE(USE_PIPES)
  93         AC_DEFINE(DISABLE_SHADOW)
  94         AC_DEFINE(DISABLE_UTMP)
  95         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  96         LIBS="$LIBS -lsec"
  97         MANTYPE='$(CATMAN)'
  98         mansubdir=cat
  99         ;;
 100 *-*-irix5*)
 101         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 102         LDFLAGS="$LDFLAGS"
 103         PATH="$PATH:/usr/etc"
 104         MANTYPE='$(CATMAN)'
 105         no_libsocket=1
 106         no_libnsl=1
 107         AC_DEFINE(BROKEN_INET_NTOA)
 108         ;;
 109 *-*-irix6*)
 110         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 111         LDFLAGS="$LDFLAGS"
 112         PATH="$PATH:/usr/etc"
 113         MANTYPE='$(CATMAN)'
 114         AC_DEFINE(WITH_IRIX_ARRAY)
 115         AC_DEFINE(WITH_IRIX_PROJECT)
 116         AC_DEFINE(WITH_IRIX_AUDIT)
 117         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 118         no_libsocket=1
 119         no_libnsl=1
 120         AC_DEFINE(BROKEN_INET_NTOA)
 121         mansubdir=man
 122         ;;
 123 *-*-linux*)
 124         no_dev_ptmx=1
 125         AC_DEFINE(DONT_TRY_OTHER_AF)
 126         AC_DEFINE(PAM_TTY_KLUDGE)
 127         inet6_default_4in6=yes
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first ***])
 134         )
 135         ;;
 136 *-*-netbsd*)
 137         need_dash_r=1
 138         ;;
 139 *-next-*)
 140         conf_lastlog_location="/usr/adm/lastlog"
 141         conf_utmp_location=/etc/utmp
 142         conf_wtmp_location=/usr/adm/wtmp
 143         MAIL=/usr/spool/mail
 144         AC_DEFINE(HAVE_NEXT)
 145         AC_DEFINE(BROKEN_REALPATH)
 146         AC_DEFINE(USE_PIPES)
 147         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 148         CFLAGS="$CFLAGS"
 149         ;;
 150 *-*-solaris*)
 151         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 152         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 153         need_dash_r=1
 154         AC_DEFINE(PAM_SUN_CODEBASE)
 155         # hardwire lastlog location (can't detect it on some versions)
 156         conf_lastlog_location="/var/adm/lastlog"
 157         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 158         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 159         if test "$sol2ver" -ge 8; then
 160                 AC_MSG_RESULT(yes)
 161                 AC_DEFINE(DISABLE_UTMP)
 162                 AC_DEFINE(DISABLE_WTMP)
 163         else
 164                 AC_MSG_RESULT(no)
 165         fi
 166         ;;
 167 *-*-sunos4*)
 168         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 169         AC_CHECK_FUNCS(getpwanam)
 170         AC_DEFINE(PAM_SUN_CODEBASE)
 171         conf_utmp_location=/etc/utmp
 172         conf_wtmp_location=/var/adm/wtmp
 173         conf_lastlog_location=/var/adm/lastlog
 174         AC_DEFINE(USE_PIPES)
 175         MANTYPE='$(CATMAN)'
 176         mansubdir=cat
 177         ;;
 178 *-sni-sysv*)
 179         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 180         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 181         MANTYPE='$(CATMAN)'
 182         IPADDR_IN_DISPLAY=yes
 183         AC_DEFINE(USE_PIPES)
 184         AC_DEFINE(IP_TOS_IS_BROKEN)
 185         mansubdir=cat
 186         LIBS="$LIBS -lgen -lnsl -lucb"
 187         ;;
 188 *-*-sysv4.2*)
 189         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 190         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 191         MANTYPE='$(CATMAN)'
 192         mansubdir=cat
 193         enable_suid_ssh=no
 194         ;;
 195 *-*-sysv5*)
 196         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 198         MANTYPE='$(CATMAN)'
 199         mansubdir=cat
 200         enable_suid_ssh=no
 201         ;;
 202 *-*-sysv*)
 203         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 204         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 205         MANTYPE='$(CATMAN)'
 206         mansubdir=cat
 207         LIBS="$LIBS -lgen -lsocket"
 208         ;;
 209 *-*-sco3.2v4*)
 210         AC_DEFINE(USE_PIPES)
 211         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 212         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 213         MANTYPE='$(CATMAN)'
 214         mansubdir=cat
 215         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 216         no_dev_ptmx=1
 217         RANLIB=true
 218         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 219         rsh_path="/usr/bin/rcmd"
 220         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 221         AC_DEFINE(DISABLE_SHADOW)
 222         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 223         ;;
 224 *-*-sco3.2v5*)
 225         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 226         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 227         MANTYPE='$(CATMAN)'
 228         mansubdir=cat
 229         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 230         no_dev_ptmx=1
 231         rsh_path="/usr/bin/rcmd"
 232         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 233         AC_DEFINE(DISABLE_SHADOW)
 234         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 235         ;;
 236 *-dec-osf*)
 237 # This is untested
 238         if test ! -z "USE_SIA" ; then
 239                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 240                 if test -f /etc/sia/matrix.conf; then
 241                         AC_MSG_RESULT(yes)
 242                         AC_DEFINE(HAVE_OSF_SIA)
 243                         AC_DEFINE(DISABLE_LOGIN)
 244                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 245                 else
 246                         AC_MSG_RESULT(no)
 247                 fi
 248         fi
 249         ;;
 250 esac
 251
 252 # Allow user to specify flags
 253 AC_ARG_WITH(cflags,
 254         [  --with-cflags           Specify additional flags to pass to compiler],
 255         [
 256                 if test "x$withval" != "xno" ; then
 257                         CFLAGS="$CFLAGS $withval"
 258                 fi
 259         ]
 260 )
 261 AC_ARG_WITH(cppflags,
 262         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 263         [
 264                 if test "x$withval" != "xno"; then
 265                         CPPFLAGS="$CPPFLAGS $withval"
 266                 fi
 267         ]
 268 )
 269 AC_ARG_WITH(ldflags,
 270         [  --with-ldflags          Specify additional flags to pass to linker],
 271         [
 272                 if test "x$withval" != "xno" ; then
 273                         LDFLAGS="$LDFLAGS $withval"
 274                 fi
 275         ]
 276 )
 277 AC_ARG_WITH(libs,
 278         [  --with-libs             Specify additional libraries to link with],
 279         [
 280                 if test "x$withval" != "xno" ; then
 281                         LIBS="$LIBS $withval"
 282                 fi
 283         ]
 284 )
 285
 286
 287 # Checks for libraries.
 288 if test -z "$no_libsocket" ; then
 289         AC_CHECK_LIB(nsl, yp_match, , )
 290 fi
 291 if test -z "$no_libnsl" ; then
 292         AC_CHECK_LIB(socket, main, , )
 293 fi
 294
 295 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 296 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 297 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 298
 299 AC_CHECK_FUNC(regcomp,
 300         [],
 301         [
 302                 AC_CHECK_LIB(pcre, pcre_info,
 303                         AC_DEFINE(HAVE_LIBPCRE) LIBS="$LIBS -lpcreposix -lpcre")
 304         ]
 305 )
 306
 307 dnl UnixWare 2.x
 308 AC_CHECK_FUNC(strcasecmp,
 309         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 310 )
 311 AC_CHECK_FUNC(utimes,
 312         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 313 )
 314
 315 # Checks for header files.
 316 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 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 utmp.h utmpx.h vis.h)
 317
 318 dnl    Checks for library functions.
 319 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock 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 strsep strtok_r sysconf vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 320 dnl    Checks for time functions
 321 AC_CHECK_FUNCS(gettimeofday time)
 322 dnl    Checks for libutil functions
 323 AC_CHECK_HEADERS(libutil.h)
 324 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 325 dnl    Checks for utmp functions
 326 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 327 AC_CHECK_FUNCS(utmpname)
 328 dnl    Checks for utmpx functions
 329 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 330 AC_CHECK_FUNCS(setutxent utmpxname)
 331
 332 AC_CHECK_FUNC(getuserattr,
 333         [AC_DEFINE(HAVE_GETUSERATTR)],
 334         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 335 )
 336
 337 AC_CHECK_FUNC(login,
 338         [AC_DEFINE(HAVE_LOGIN)],
 339         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 340 )
 341
 342 AC_CHECK_FUNC(daemon,
 343         [AC_DEFINE(HAVE_DAEMON)],
 344         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 345 )
 346
 347 AC_CHECK_FUNC(getpagesize,
 348         [AC_DEFINE(HAVE_GETPAGESIZE)],
 349         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 350 )
 351
 352 # Check for broken snprintf
 353 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 354         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 355         AC_TRY_RUN(
 356                 [
 357 #include <stdio.h>
 358 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 359                 ],
 360                 [AC_MSG_RESULT(yes)],
 361                 [
 362                         AC_MSG_RESULT(no)
 363                         AC_DEFINE(BROKEN_SNPRINTF)
 364                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 365                 ]
 366         )
 367 fi
 368
 369 AC_FUNC_GETPGRP
 370
 371 PAM_MSG="no"
 372 AC_ARG_WITH(pam,
 373         [  --without-pam           Disable PAM support ],
 374         [
 375                 if test "x$withval" = "xno" ; then
 376                         no_pam=1
 377                         AC_DEFINE(DISABLE_PAM)
 378                         PAM_MSG="disabled"
 379                 fi
 380         ]
 381 )
 382 if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 383         AC_CHECK_LIB(dl, dlopen, , )
 384         LIBS="$LIBS -lpam"
 385
 386         AC_CHECK_FUNCS(pam_getenvlist)
 387
 388         disable_shadow=yes
 389
 390         PAM_MSG="yes"
 391
 392         # Check PAM strerror arguments (old PAM)
 393         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 394         AC_TRY_COMPILE(
 395                 [
 396 #include <stdlib.h>
 397 #include <security/pam_appl.h>
 398                 ],
 399                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 400                 [AC_MSG_RESULT(no)],
 401                 [
 402                         AC_DEFINE(HAVE_OLD_PAM)
 403                         AC_MSG_RESULT(yes)
 404                         PAM_MSG="yes (old library)"
 405                 ]
 406         )
 407 fi
 408
 409 # The big search for OpenSSL
 410 AC_ARG_WITH(ssl-dir,
 411         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 412         [
 413                 if test "x$withval" != "xno" ; then
 414                         tryssldir=$withval
 415                 fi
 416         ]
 417 )
 418
 419 saved_LIBS="$LIBS"
 420 saved_LDFLAGS="$LDFLAGS"
 421 saved_CPPFLAGS="$CPPFLAGS"
 422 if test "x$prefix" != "xNONE" ; then
 423         tryssldir="$tryssldir $prefix"
 424 fi
 425 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 426
 427         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 428                 if test ! -z "$ssldir" ; then
 429                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 430                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 431                         if test ! -z "$need_dash_r" ; then
 432                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 433                         fi
 434                 else
 435                         LDFLAGS="$saved_LDFLAGS"
 436                 fi
 437
 438                 LIBS="$saved_LIBS -lcrypto"
 439
 440                 # Basic test to check for compatible version and correct linking
 441                 # *does not* test for RSA - that comes later.
 442                 AC_TRY_RUN(
 443                         [
 444 #include <string.h>
 445 #include <openssl/rand.h>
 446 int main(void)
 447 {
 448         char a[2048];
 449         memset(a, 0, sizeof(a));
 450         RAND_add(a, sizeof(a), sizeof(a));
 451         return(RAND_status() <= 0);
 452 }
 453                         ],
 454                         [
 455                                 found_crypto=1
 456                                 break;
 457                         ], []
 458                 )
 459
 460                 if test ! -z "$found_crypto" ; then
 461                         break;
 462                 fi
 463         done
 464
 465         if test -z "$found_crypto" ; then
 466                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 467         fi
 468         if test -z "$ssldir" ; then
 469                 ssldir="(system)"
 470         fi
 471
 472         ac_cv_openssldir=$ssldir
 473 ])
 474
 475 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 476         AC_DEFINE(HAVE_OPENSSL)
 477         dnl Need to recover ssldir - test above runs in subshell
 478         ssldir=$ac_cv_openssldir
 479         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 480         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 481         if test ! -z "$need_dash_r" ; then
 482                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 483         fi
 484         if test ! -z "$blibpath" ; then
 485                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 486         fi
 487 fi
 488 LIBS="$saved_LIBS -lcrypto"
 489
 490 # Now test RSA support
 491 saved_LIBS="$LIBS"
 492 AC_MSG_CHECKING([for RSA support])
 493 for WANTS_RSAREF in "" 1 ; do
 494         if test -z "$WANTS_RSAREF" ; then
 495                 LIBS="$saved_LIBS"
 496         else
 497                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 498         fi
 499         AC_TRY_RUN([
 500 #include <string.h>
 501 #include <openssl/rand.h>
 502 #include <openssl/rsa.h>
 503 #include <openssl/bn.h>
 504 #include <openssl/sha.h>
 505 int main(void)
 506 {
 507         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 508         unsigned char c[256], p[256];
 509         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 510         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 511         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 512         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 513 }
 514         ],
 515         [
 516                 rsa_works=1
 517                 break;
 518         ], [])
 519 done
 520
 521 if test ! -z "$no_rsa" ; then
 522         AC_MSG_RESULT(disabled)
 523         RSA_MSG="disabled"
 524 else
 525         if test -z "$rsa_works" ; then
 526                 AC_MSG_WARN([*** No RSA support found *** ])
 527                 RSA_MSG="no"
 528         else
 529                 if test -z "$WANTS_RSAREF" ; then
 530                         AC_MSG_RESULT(yes)
 531                         RSA_MSG="yes"
 532                 else
 533                         RSA_MSG="yes (using RSAref)"
 534                         AC_MSG_RESULT(using RSAref)
 535                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 536                 fi
 537         fi
 538 fi
 539
 540 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 541 if test ! -z "$SONY" ; then
 542   LIBS="$LIBS -liberty";
 543 fi
 544
 545 # Checks for data types
 546 AC_CHECK_SIZEOF(char, 1)
 547 AC_CHECK_SIZEOF(short int, 2)
 548 AC_CHECK_SIZEOF(int, 4)
 549 AC_CHECK_SIZEOF(long int, 4)
 550 AC_CHECK_SIZEOF(long long int, 8)
 551
 552 # More checks for data types
 553 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 554         AC_TRY_COMPILE(
 555                 [ #include <sys/types.h> ],
 556                 [ u_int a; a = 1;],
 557                 [ ac_cv_have_u_int="yes" ],
 558                 [ ac_cv_have_u_int="no" ]
 559         )
 560 ])
 561 if test "x$ac_cv_have_u_int" = "xyes" ; then
 562         AC_DEFINE(HAVE_U_INT)
 563         have_u_int=1
 564 fi
 565
 566 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 567         AC_TRY_COMPILE(
 568                 [ #include <sys/types.h> ],
 569                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 570                 [ ac_cv_have_intxx_t="yes" ],
 571                 [ ac_cv_have_intxx_t="no" ]
 572         )
 573 ])
 574 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 575         AC_DEFINE(HAVE_INTXX_T)
 576         have_intxx_t=1
 577 fi
 578
 579 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 580         AC_TRY_COMPILE(
 581                 [ #include <sys/types.h> ],
 582                 [ int64_t a; a = 1;],
 583                 [ ac_cv_have_int64_t="yes" ],
 584                 [ ac_cv_have_int64_t="no" ]
 585         )
 586 ])
 587 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 588         AC_DEFINE(HAVE_INT64_T)
 589         have_int64_t=1
 590 fi
 591
 592 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 593         AC_TRY_COMPILE(
 594                 [ #include <sys/types.h> ],
 595                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 596                 [ ac_cv_have_u_intxx_t="yes" ],
 597                 [ ac_cv_have_u_intxx_t="no" ]
 598         )
 599 ])
 600 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 601         AC_DEFINE(HAVE_U_INTXX_T)
 602         have_u_intxx_t=1
 603 fi
 604
 605 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 606         AC_TRY_COMPILE(
 607                 [ #include <sys/types.h> ],
 608                 [ u_int64_t a; a = 1;],
 609                 [ ac_cv_have_u_int64_t="yes" ],
 610                 [ ac_cv_have_u_int64_t="no" ]
 611         )
 612 ])
 613 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 614         AC_DEFINE(HAVE_U_INT64_T)
 615         have_u_int64_t=1
 616 fi
 617
 618 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 619            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 620 then
 621         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 622         AC_TRY_COMPILE(
 623                 [
 624 #include <sys/bitypes.h>
 625                 ],
 626                 [
 627                         int8_t a; int16_t b; int32_t c;
 628                         u_int8_t e; u_int16_t f; u_int32_t g;
 629                         a = b = c = e = f = g = 1;
 630                 ],
 631                 [
 632                         AC_DEFINE(HAVE_U_INTXX_T)
 633                         AC_DEFINE(HAVE_INTXX_T)
 634                         AC_MSG_RESULT(yes)
 635                 ],
 636                 [AC_MSG_RESULT(no)]
 637         )
 638 fi
 639
 640 if test -z "$have_u_intxx_t" ; then
 641         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 642                 AC_TRY_COMPILE(
 643                         [
 644 #include <sys/types.h>
 645                         ],
 646                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 647                         [ ac_cv_have_uintxx_t="yes" ],
 648                         [ ac_cv_have_uintxx_t="no" ]
 649                 )
 650         ])
 651         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 652                 AC_DEFINE(HAVE_UINTXX_T)
 653         fi
 654 fi
 655
 656 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 657         AC_TRY_COMPILE(
 658                 [
 659 #include <sys/types.h>
 660 #include <sys/socket.h>
 661                 ],
 662                 [socklen_t foo; foo = 1235;],
 663                 [ ac_cv_have_socklen_t="yes" ],
 664                 [ ac_cv_have_socklen_t="no" ]
 665         )
 666 ])
 667 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 668         AC_DEFINE(HAVE_SOCKLEN_T)
 669 fi
 670
 671 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 672         AC_TRY_COMPILE(
 673                 [
 674 #include <sys/types.h>
 675                 ],
 676                 [ size_t foo; foo = 1235; ],
 677                 [ ac_cv_have_size_t="yes" ],
 678                 [ ac_cv_have_size_t="no" ]
 679         )
 680 ])
 681 if test "x$ac_cv_have_size_t" = "xyes" ; then
 682         AC_DEFINE(HAVE_SIZE_T)
 683 fi
 684
 685 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 686         AC_TRY_COMPILE(
 687                 [
 688 #include <sys/types.h>
 689                 ],
 690                 [ ssize_t foo; foo = 1235; ],
 691                 [ ac_cv_have_ssize_t="yes" ],
 692                 [ ac_cv_have_ssize_t="no" ]
 693         )
 694 ])
 695 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 696         AC_DEFINE(HAVE_SSIZE_T)
 697 fi
 698
 699 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 700         AC_TRY_COMPILE(
 701                 [
 702 #include <time.h>
 703                 ],
 704                 [ clock_t foo; foo = 1235; ],
 705                 [ ac_cv_have_clock_t="yes" ],
 706                 [ ac_cv_have_clock_t="no" ]
 707         )
 708 ])
 709 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 710         AC_DEFINE(HAVE_CLOCK_T)
 711 fi
 712
 713 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 714         AC_TRY_COMPILE(
 715                 [
 716 #include <sys/types.h>
 717 #include <sys/socket.h>
 718                 ],
 719                 [ sa_family_t foo; foo = 1235; ],
 720                 [ ac_cv_have_sa_family_t="yes" ],
 721                 [ AC_TRY_COMPILE(
 722                   [
 723 #include <sys/types.h>
 724 #include <sys/socket.h>
 725 #include <netinet/in.h>
 726                 ],
 727                 [ sa_family_t foo; foo = 1235; ],
 728                 [ ac_cv_have_sa_family_t="yes" ],
 729
 730                 [ ac_cv_have_sa_family_t="no" ]
 731         )]
 732         )
 733 ])
 734 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 735         AC_DEFINE(HAVE_SA_FAMILY_T)
 736 fi
 737
 738 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 739         AC_TRY_COMPILE(
 740                 [
 741 #include <sys/types.h>
 742                 ],
 743                 [ pid_t foo; foo = 1235; ],
 744                 [ ac_cv_have_pid_t="yes" ],
 745                 [ ac_cv_have_pid_t="no" ]
 746         )
 747 ])
 748 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 749         AC_DEFINE(HAVE_PID_T)
 750 fi
 751
 752 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 753         AC_TRY_COMPILE(
 754                 [
 755 #include <sys/types.h>
 756                 ],
 757                 [ mode_t foo; foo = 1235; ],
 758                 [ ac_cv_have_mode_t="yes" ],
 759                 [ ac_cv_have_mode_t="no" ]
 760         )
 761 ])
 762 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 763         AC_DEFINE(HAVE_MODE_T)
 764 fi
 765
 766
 767 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 768         AC_TRY_COMPILE(
 769                 [
 770 #include <sys/types.h>
 771 #include <sys/socket.h>
 772                 ],
 773                 [ struct sockaddr_storage s; ],
 774                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 775                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 776         )
 777 ])
 778 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 779         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 780 fi
 781
 782 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 783         AC_TRY_COMPILE(
 784                 [
 785 #include <sys/types.h>
 786 #include <netinet/in.h>
 787                 ],
 788                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 789                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 790                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 791         )
 792 ])
 793 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 794         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 795 fi
 796
 797 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 798         AC_TRY_COMPILE(
 799                 [
 800 #include <sys/types.h>
 801 #include <netinet/in.h>
 802                 ],
 803                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 804                 [ ac_cv_have_struct_in6_addr="yes" ],
 805                 [ ac_cv_have_struct_in6_addr="no" ]
 806         )
 807 ])
 808 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 809         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 810 fi
 811
 812 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 813         AC_TRY_COMPILE(
 814                 [
 815 #include <sys/types.h>
 816 #include <sys/socket.h>
 817 #include <netdb.h>
 818                 ],
 819                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 820                 [ ac_cv_have_struct_addrinfo="yes" ],
 821                 [ ac_cv_have_struct_addrinfo="no" ]
 822         )
 823 ])
 824 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 825         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 826 fi
 827
 828 # If we don't have int64_t then we can't compile sftp-server.  So don't
 829 # even attempt to do it.
 830 if test "x$ac_cv_have_int64_t" = "xno" -a \
 831         "x$ac_cv_sizeof_long_int" != "x8" -a \
 832         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
 833         NO_SFTP='#'
 834         AC_SUBST(NO_SFTP)
 835 fi
 836
 837 dnl Checks for structure members
 838 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 839 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 840 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 841 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 842 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 843 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 844 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 845 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 846 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 847 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 848 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 849 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 850 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 851 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 852 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 853 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 854 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 855 AC_STRUCT_ST_BLKSIZE
 856
 857 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 858                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 859         AC_TRY_COMPILE(
 860                 [
 861 #include <sys/types.h>
 862 #include <sys/socket.h>
 863                 ],
 864                 [ struct sockaddr_un s; s.sun_len = 1; ],
 865                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 866                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 867         )
 868 ])
 869 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 870         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 871 fi
 872
 873 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 874                 ac_cv_have_ss_family_in_struct_ss, [
 875         AC_TRY_COMPILE(
 876                 [
 877 #include <sys/types.h>
 878 #include <sys/socket.h>
 879                 ],
 880                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 881                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 882                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 883         )
 884 ])
 885 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 886         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 887 fi
 888
 889 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 890                 ac_cv_have___ss_family_in_struct_ss, [
 891         AC_TRY_COMPILE(
 892                 [
 893 #include <sys/types.h>
 894 #include <sys/socket.h>
 895                 ],
 896                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 897                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 898                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 899         )
 900 ])
 901 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 902         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 903 fi
 904
 905 AC_CACHE_CHECK([for pw_class field in struct passwd],
 906                 ac_cv_have_pw_class_in_struct_passwd, [
 907         AC_TRY_COMPILE(
 908                 [
 909 #include <pwd.h>
 910                 ],
 911                 [ struct passwd p; p.pw_class = 0; ],
 912                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
 913                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
 914         )
 915 ])
 916 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
 917         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
 918 fi
 919
 920
 921 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 922         AC_TRY_LINK([],
 923                 [ extern char *__progname; printf("%s", __progname); ],
 924                 [ ac_cv_libc_defines___progname="yes" ],
 925                 [ ac_cv_libc_defines___progname="no" ]
 926         )
 927 ])
 928 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 929         AC_DEFINE(HAVE___PROGNAME)
 930 fi
 931
 932
 933 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 934         AC_TRY_LINK([],
 935                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 936                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 937                 [ ac_cv_libc_defines_sys_errlist="no" ]
 938         )
 939 ])
 940 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 941         AC_DEFINE(HAVE_SYS_ERRLIST)
 942 fi
 943
 944
 945 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 946         AC_TRY_LINK([],
 947                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 948                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 949                 [ ac_cv_libc_defines_sys_nerr="no" ]
 950         )
 951 ])
 952 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 953         AC_DEFINE(HAVE_SYS_NERR)
 954 fi
 955
 956
 957 # Looking for programs, paths and files
 958 AC_ARG_WITH(rsh,
 959         [  --with-rsh=PATH         Specify path to remote shell program ],
 960         [
 961                 if test "x$withval" != "$no" ; then
 962                         rsh_path=$withval
 963                 fi
 964         ],
 965         [
 966                 AC_PATH_PROG(rsh_path, rsh)
 967         ]
 968 )
 969
 970 AC_ARG_WITH(xauth,
 971         [  --with-xauth=PATH       Specify path to xauth program ],
 972         [
 973                 if test "x$withval" != "xno" ; then
 974                         xauth_path=$withval
 975                 fi
 976         ],
 977         [
 978                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
 979                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 980                         xauth_path="/usr/openwin/bin/xauth"
 981                 fi
 982         ]
 983 )
 984
 985 if test -z "$xauth_path" ; then
 986         XAUTH_PATH="undefined"
 987         AC_SUBST(XAUTH_PATH)
 988 else
 989         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 990         XAUTH_PATH=$xauth_path
 991         AC_SUBST(XAUTH_PATH)
 992 fi
 993 if test ! -z "$rsh_path" ; then
 994         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 995 fi
 996
 997 # Check for mail directory (last resort if we cannot get it from headers)
 998 if test ! -z "$MAIL" ; then
 999         maildir=`dirname $MAIL`
1000         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1001 fi
1002
1003 if test -z "$no_dev_ptmx" ; then
1004         AC_CHECK_FILE("/dev/ptmx",
1005                 [
1006                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1007                         have_dev_ptmx=1
1008                 ]
1009         )
1010 fi
1011 AC_CHECK_FILE("/dev/ptc",
1012         [
1013                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1014                 have_dev_ptc=1
1015         ]
1016 )
1017
1018 # Options from here on. Some of these are preset by platform above
1019
1020 # Check for user-specified random device, otherwise check /dev/urandom
1021 AC_ARG_WITH(random,
1022         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
1023         [
1024                 if test "x$withval" != "xno" ; then
1025                         RANDOM_POOL="$withval";
1026                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1027                 fi
1028         ],
1029         [
1030                 # Check for random device
1031                 AC_CHECK_FILE("/dev/urandom",
1032                         [
1033                                 RANDOM_POOL="/dev/urandom";
1034                                 AC_SUBST(RANDOM_POOL)
1035                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1036                         ]
1037                 )
1038         ]
1039 )
1040
1041 # Check for EGD pool file
1042 AC_ARG_WITH(egd-pool,
1043         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
1044         [
1045                 if test "x$withval" != "xno" ; then
1046                         EGD_SOCKET="$withval";
1047                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1048                 fi
1049         ]
1050 )
1051
1052 # detect pathnames for entropy gathering commands, if we need them
1053 INSTALL_SSH_PRNG_CMDS=""
1054 rm -f prng_commands
1055 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1056         # Use these commands to collect entropy
1057         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1058         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1059         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1060         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1061         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1062         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1063         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1064         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1065         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1066         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1067         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1068         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1069         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1070         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1071         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1072
1073         INSTALL_SSH_PRNG_CMDS="yes"
1074 fi
1075 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1076
1077
1078 AC_ARG_WITH(catman,
1079         [  --with-catman=man|cat   Install preformatted manpages[no]],
1080         [
1081                 MANTYPE='$(CATMAN)'
1082                 if test x"$withval" != x"yes" ; then
1083                    mansubdir=$withval
1084                 else
1085                    mansubdir=cat
1086                 fi
1087         ], [
1088                 if test -z "$MANTYPE" ; then
1089                         MANTYPE='$(TROFFMAN)'
1090                         mansubdir=man
1091                 fi
1092         ]
1093 )
1094 AC_SUBST(MANTYPE)
1095 AC_SUBST(mansubdir)
1096
1097 # Check whether user wants Kerberos support
1098 KRB4_MSG="no"
1099 AC_ARG_WITH(kerberos4,
1100         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1101         [
1102                 if test "x$withval" != "xno" ; then
1103
1104                         if test "x$withval" != "xyes" ; then
1105                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1106                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1107                                 if test ! -z "$need_dash_r" ; then
1108                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1109                                 fi
1110                                 if test ! -z "$blibpath" ; then
1111                                         blibpath="$blibpath:${withval}/lib"
1112                                 fi
1113                         else
1114                                 if test -d /usr/include/kerberosIV ; then
1115                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1116                                 fi
1117                         fi
1118
1119                         AC_CHECK_HEADERS(krb.h)
1120                         AC_CHECK_LIB(krb, main)
1121                         if test "$ac_cv_header_krb_h" != yes; then
1122                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1123                         fi
1124                         if test "$ac_cv_lib_krb_main" != yes; then
1125                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
1126                         fi
1127
1128                         KLIBS="-lkrb -ldes"
1129                         AC_CHECK_LIB(resolv, dn_expand, , )
1130                         KRB4=yes
1131                         KRB4_MSG="yes"
1132                         AC_DEFINE(KRB4)
1133                 fi
1134         ]
1135 )
1136
1137 # Check whether user wants AFS support
1138 AFS_MSG="no"
1139 AC_ARG_WITH(afs,
1140         [  --with-afs=PATH         Enable AFS support],
1141         [
1142                 if test "x$withval" != "xno" ; then
1143
1144                         if test "x$withval" != "xyes" ; then
1145                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1146                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1147                         fi
1148
1149                         if test -z "$KRB4" ; then
1150                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1151                         fi
1152
1153                         LIBS="$LIBS -lkafs"
1154                         if test ! -z "$AFS_LIBS" ; then
1155                                 LIBS="$LIBS $AFS_LIBS"
1156                         fi
1157                         AC_DEFINE(AFS)
1158                         AFS_MSG="yes"
1159                 fi
1160         ]
1161 )
1162 LIBS="$LIBS $KLIBS"
1163
1164 # Check whether user wants S/Key support
1165 SKEY_MSG="no"
1166 AC_ARG_WITH(skey,
1167         [  --with-skey=PATH         Enable S/Key support],
1168         [
1169                 if test "x$withval" != "xno" ; then
1170
1171                         if test "x$withval" != "xyes" ; then
1172                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1173                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1174                         fi
1175
1176                         AC_DEFINE(SKEY)
1177                         LIBS="$LIBS -lskey"
1178                         SKEY_MSG="yes"
1179
1180                         AC_CHECK_FUNC(skey_keyinfo,
1181                                 [],
1182                                 [
1183                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1184                                 ])
1185                 fi
1186         ]
1187 )
1188
1189 # Check whether user wants TCP wrappers support
1190 TCPW_MSG="no"
1191 AC_ARG_WITH(tcp-wrappers,
1192         [  --with-tcp-wrappers     Enable tcpwrappers support],
1193         [
1194                 if test "x$withval" != "xno" ; then
1195                         saved_LIBS="$LIBS"
1196                         LIBS="$LIBS -lwrap"
1197                         AC_MSG_CHECKING(for libwrap)
1198                         AC_TRY_LINK(
1199                                 [
1200 #include <tcpd.h>
1201                                         int deny_severity = 0, allow_severity = 0;
1202                                 ],
1203                                 [hosts_access(0);],
1204                                 [
1205                                         AC_MSG_RESULT(yes)
1206                                         AC_DEFINE(LIBWRAP)
1207                                         TCPW_MSG="yes"
1208                                 ],
1209                                 [
1210                                         AC_MSG_ERROR([*** libwrap missing])
1211                                 ]
1212                         )
1213                 fi
1214         ]
1215 )
1216
1217 # Check whether to enable MD5 passwords
1218 MD5_MSG="no"
1219 AC_ARG_WITH(md5-passwords,
1220         [  --with-md5-passwords    Enable use of MD5 passwords],
1221         [
1222                 if test "x$withval" != "xno" ; then
1223                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1224                         MD5_MSG="yes"
1225                 fi
1226         ]
1227 )
1228
1229 # Whether to disable shadow password support
1230 AC_ARG_WITH(shadow,
1231         [  --without-shadow        Disable shadow password support],
1232         [
1233                 if test "x$withval" = "xno" ; then
1234                         AC_DEFINE(DISABLE_SHADOW)
1235                         disable_shadow=yes
1236                 fi
1237         ]
1238 )
1239
1240 if test -z "$disable_shadow" ; then
1241         AC_MSG_CHECKING([if the systems has expire shadow information])
1242         AC_TRY_COMPILE(
1243         [
1244 #include <sys/types.h>
1245 #include <shadow.h>
1246         struct spwd sp;
1247         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1248         [ sp_expire_available=yes ], []
1249         )
1250
1251         if test "x$sp_expire_available" = "xyes" ; then
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1254         else
1255                 AC_MSG_RESULT(no)
1256         fi
1257 fi
1258
1259 # Use ip address instead of hostname in $DISPLAY
1260 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1261         DISPLAY_HACK_MSG="yes"
1262         AC_DEFINE(IPADDR_IN_DISPLAY)
1263 else
1264         DISPLAY_HACK_MSG="no"
1265         AC_ARG_WITH(ipaddr-display,
1266                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1267                 [
1268                         if test "x$withval" != "xno" ; then
1269                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1270                                 DISPLAY_HACK_MSG="yes"
1271                         fi
1272                 ]
1273         )
1274 fi
1275
1276 # Whether to mess with the default path
1277 SERVER_PATH_MSG="(default)"
1278 AC_ARG_WITH(default-path,
1279         [  --with-default-path=PATH Specify default \$PATH environment for server],
1280         [
1281                 if test "x$withval" != "xno" ; then
1282                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1283                         SERVER_PATH_MSG="$withval"
1284                 fi
1285         ]
1286 )
1287
1288 # Whether to force IPv4 by default (needed on broken glibc Linux)
1289 IPV4_HACK_MSG="no"
1290 AC_ARG_WITH(ipv4-default,
1291         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1292         [
1293                 if test "x$withval" != "xno" ; then
1294                         AC_DEFINE(IPV4_DEFAULT)
1295                         IPV4_HACK_MSG="yes"
1296                 fi
1297         ]
1298 )
1299
1300 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1301 IPV4_IN6_HACK_MSG="no"
1302 AC_ARG_WITH(4in6,
1303         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1304         [
1305                 if test "x$withval" != "xno" ; then
1306                         AC_MSG_RESULT(yes)
1307                         AC_DEFINE(IPV4_IN_IPV6)
1308                         IPV4_IN6_HACK_MSG="yes"
1309                 else
1310                         AC_MSG_RESULT(no)
1311                 fi
1312         ],[
1313                 if test "x$inet6_default_4in6" = "xyes"; then
1314                         AC_MSG_RESULT([yes (default)])
1315                         AC_DEFINE(IPV4_IN_IPV6)
1316                         IPV4_IN6_HACK_MSG="yes"
1317                 else
1318                         AC_MSG_RESULT([no (default)])
1319                 fi
1320         ]
1321 )
1322
1323 AC_MSG_CHECKING(whether to install ssh as suid root)
1324 AC_ARG_ENABLE(suid-ssh,
1325 [  --enable-suid-ssh       Install ssh as suid root (default)
1326   --disable-suid-ssh      Install ssh without suid bit],
1327 [ case "$enableval" in
1328   no)
1329        AC_MSG_RESULT(no)
1330        SSHMODE=0711
1331        ;;
1332   *)   AC_MSG_RESULT(yes)
1333        SSHMODE=04711
1334        ;;
1335   esac ],
1336   AC_MSG_RESULT(yes)
1337   SSHMODE=04711
1338 )
1339 AC_SUBST(SSHMODE)
1340
1341
1342 # Where to place sshd.pid
1343 piddir=/var/run
1344 AC_ARG_WITH(pid-dir,
1345         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1346         [
1347                 if test "x$withval" != "xno" ; then
1348                         piddir=$withval
1349                 fi
1350         ]
1351 )
1352
1353 # make sure the directory exists
1354 if test ! -d $piddir ; then
1355         piddir=`eval echo ${sysconfdir}`
1356         case $piddir in
1357                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1358         esac
1359 fi
1360
1361 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1362 AC_SUBST(piddir)
1363
1364 dnl allow user to disable some login recording features
1365 AC_ARG_ENABLE(lastlog,
1366         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1367         [ AC_DEFINE(DISABLE_LASTLOG) ]
1368 )
1369 AC_ARG_ENABLE(utmp,
1370         [  --disable-utmp          disable use of utmp even if detected [no]],
1371         [ AC_DEFINE(DISABLE_UTMP) ]
1372 )
1373 AC_ARG_ENABLE(utmpx,
1374         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1375         [ AC_DEFINE(DISABLE_UTMPX) ]
1376 )
1377 AC_ARG_ENABLE(wtmp,
1378         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1379         [ AC_DEFINE(DISABLE_WTMP) ]
1380 )
1381 AC_ARG_ENABLE(wtmpx,
1382         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1383         [ AC_DEFINE(DISABLE_WTMPX) ]
1384 )
1385 AC_ARG_ENABLE(libutil,
1386         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1387         [ AC_DEFINE(DISABLE_LOGIN) ]
1388 )
1389 AC_ARG_ENABLE(pututline,
1390         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1391         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1392 )
1393 AC_ARG_ENABLE(pututxline,
1394         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1395         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1396 )
1397 AC_ARG_WITH(lastlog,
1398   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1399   [ conf_lastlog_location="$withval";  ],)
1400
1401 dnl lastlog, [uw]tmpx? detection
1402 dnl  NOTE: set the paths in the platform section to avoid the
1403 dnl   need for command-line parameters
1404 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1405
1406 dnl lastlog detection
1407 dnl  NOTE: the code itself will detect if lastlog is a directory
1408 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1409 AC_TRY_COMPILE([
1410 #include <sys/types.h>
1411 #include <utmp.h>
1412 #ifdef HAVE_LASTLOG_H
1413 #  include <lastlog.h>
1414 #endif
1415 #ifdef HAVE_PATHS_H
1416 #  include <paths.h>
1417 #endif
1418         ],
1419         [ char *lastlog = LASTLOG_FILE; ],
1420         [ AC_MSG_RESULT(yes) ],
1421         [
1422                 AC_MSG_RESULT(no)
1423                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1424                 AC_TRY_COMPILE([
1425 #include <sys/types.h>
1426 #include <utmp.h>
1427 #ifdef HAVE_LASTLOG_H
1428 #  include <lastlog.h>
1429 #endif
1430 #ifdef HAVE_PATHS_H
1431 #  include <paths.h>
1432 #endif
1433                 ],
1434                 [ char *lastlog = _PATH_LASTLOG; ],
1435                 [ AC_MSG_RESULT(yes) ],
1436                 [
1437                         AC_MSG_RESULT(no)
1438                         system_lastlog_path=no
1439                 ])
1440         ]
1441 )
1442
1443 if test -z "$conf_lastlog_location"; then
1444         if test x"$system_lastlog_path" = x"no" ; then
1445                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1446                                 if (test -d "$f" || test -f "$f") ; then
1447                                         conf_lastlog_location=$f
1448                                 fi
1449                 done
1450                 if test -z "$conf_lastlog_location"; then
1451                         AC_MSG_WARN([** Cannot find lastlog **])
1452                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1453                 fi
1454         fi
1455 fi
1456
1457 if test -n "$conf_lastlog_location"; then
1458         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1459 fi
1460
1461 dnl utmp detection
1462 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1463 AC_TRY_COMPILE([
1464 #include <sys/types.h>
1465 #include <utmp.h>
1466 #ifdef HAVE_PATHS_H
1467 #  include <paths.h>
1468 #endif
1469         ],
1470         [ char *utmp = UTMP_FILE; ],
1471         [ AC_MSG_RESULT(yes) ],
1472         [ AC_MSG_RESULT(no)
1473           system_utmp_path=no ]
1474 )
1475 if test -z "$conf_utmp_location"; then
1476         if test x"$system_utmp_path" = x"no" ; then
1477                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1478                         if test -f $f ; then
1479                                 conf_utmp_location=$f
1480                         fi
1481                 done
1482                 if test -z "$conf_utmp_location"; then
1483                         AC_DEFINE(DISABLE_UTMP)
1484                 fi
1485         fi
1486 fi
1487 if test -n "$conf_utmp_location"; then
1488         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1489 fi
1490
1491 dnl wtmp detection
1492 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1493 AC_TRY_COMPILE([
1494 #include <sys/types.h>
1495 #include <utmp.h>
1496 #ifdef HAVE_PATHS_H
1497 #  include <paths.h>
1498 #endif
1499         ],
1500         [ char *wtmp = WTMP_FILE; ],
1501         [ AC_MSG_RESULT(yes) ],
1502         [ AC_MSG_RESULT(no)
1503           system_wtmp_path=no ]
1504 )
1505 if test -z "$conf_wtmp_location"; then
1506         if test x"$system_wtmp_path" = x"no" ; then
1507                 for f in /usr/adm/wtmp /var/log/wtmp; do
1508                         if test -f $f ; then
1509                                 conf_wtmp_location=$f
1510                         fi
1511                 done
1512                 if test -z "$conf_wtmp_location"; then
1513                         AC_DEFINE(DISABLE_WTMP)
1514                 fi
1515         fi
1516 fi
1517 if test -n "$conf_wtmp_location"; then
1518         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1519 fi
1520
1521
1522 dnl utmpx detection - I don't know any system so perverse as to require
1523 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1524 dnl  there, though.
1525 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1526 AC_TRY_COMPILE([
1527 #include <sys/types.h>
1528 #include <utmp.h>
1529 #ifdef HAVE_UTMPX_H
1530 #include <utmpx.h>
1531 #endif
1532 #ifdef HAVE_PATHS_H
1533 #  include <paths.h>
1534 #endif
1535         ],
1536         [ char *utmpx = UTMPX_FILE; ],
1537         [ AC_MSG_RESULT(yes) ],
1538         [ AC_MSG_RESULT(no)
1539           system_utmpx_path=no ]
1540 )
1541 if test -z "$conf_utmpx_location"; then
1542         if test x"$system_utmpx_path" = x"no" ; then
1543                 AC_DEFINE(DISABLE_UTMPX)
1544         fi
1545 else
1546         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1547 fi
1548
1549 dnl wtmpx detection
1550 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1551 AC_TRY_COMPILE([
1552 #include <sys/types.h>
1553 #include <utmp.h>
1554 #ifdef HAVE_UTMPX_H
1555 #include <utmpx.h>
1556 #endif
1557 #ifdef HAVE_PATHS_H
1558 #  include <paths.h>
1559 #endif
1560         ],
1561         [ char *wtmpx = WTMPX_FILE; ],
1562         [ AC_MSG_RESULT(yes) ],
1563         [ AC_MSG_RESULT(no)
1564           system_wtmpx_path=no ]
1565 )
1566 if test -z "$conf_wtmpx_location"; then
1567         if test x"$system_wtmpx_path" = x"no" ; then
1568                 AC_DEFINE(DISABLE_WTMPX)
1569         fi
1570 else
1571         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1572 fi
1573
1574
1575 # Change default command timeout for builtin PRNG
1576 entropy_timeout=200
1577 AC_ARG_WITH(entropy-timeout,
1578         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1579         [
1580                 if test "x$withval" != "xno" ; then
1581                         entropy_timeout=$withval
1582                 fi
1583         ]
1584 )
1585 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1586
1587
1588 if test ! -z "$blibpath" ; then
1589         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1590         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1591 fi
1592
1593 AC_EXEEXT
1594
1595 AC_OUTPUT(Makefile ssh_prng_cmds)
1596
1597 # Print summary of options
1598
1599 if test x$MANTYPE = x'$(CATMAN)' ; then
1600         MAN_MSG=cat
1601 else
1602         MAN_MSG=man
1603 fi
1604 if test ! -z "$RANDOM_POOL" ; then
1605         RAND_MSG="Device ($RANDOM_POOL)"
1606 else
1607         if test ! -z "$EGD_SOCKET" ; then
1608                 RAND_MSG="EGD ($EGD_SOCKET)"
1609         else
1610                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1611                 BUILTIN_RNG=1
1612         fi
1613 fi
1614
1615 # Someone please show me a better way :)
1616 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1617 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1618 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1619 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1620 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1621 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1622 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1623
1624 echo ""
1625 echo "OpenSSH configured has been configured with the following options."
1626 echo "                 User binaries: $B"
1627 echo "                 User binaries: $B"
1628 echo "               System binaries: $C"
1629 echo "           Configuration files: $D"
1630 echo "               Askpass program: $E"
1631 echo "                  Manual pages: $F"
1632 echo "                      PID file: $G"
1633 echo "      Random number collection: $RAND_MSG"
1634 echo "                Manpage format: $MAN_MSG"
1635 echo "                   PAM support: ${PAM_MSG}"
1636 echo "            KerberosIV support: $KRB4_MSG"
1637 echo "                   AFS support: $AFS_MSG"
1638 echo "                 S/KEY support: $SKEY_MSG"
1639 echo "          TCP Wrappers support: $TCPW_MSG"
1640 echo "          MD5 password support: $MD5_MSG"
1641 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1642 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1643 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1644
1645 echo ""
1646
1647 echo "              Host: ${host}"
1648 echo "          Compiler: ${CC}"
1649 echo "    Compiler flags: ${CFLAGS}"
1650 echo "Preprocessor flags: ${CPPFLAGS}"
1651 echo "      Linker flags: ${LDFLAGS}"
1652 echo "         Libraries: ${LIBS}"
1653
1654 echo ""
1655
1656 if test "x$PAM_MSG" = "xyes" ; then
1657         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1658         echo "otherwise password authentication may fail. Example PAM control files"
1659         echo "can be found in the contrib/ subdirectory"
1660         echo ""
1661 fi
1662
1663 if test ! -z "$BUILTIN_RNG" ; then
1664         echo "WARNING: you are using the builtin random number collection service."
1665         echo "Please read WARNING.RNG and request that your OS vendor includes"
1666         echo "/dev/random in future versions of their OS."
1667         echo ""
1668 fi
1669
1670 if test ! -z "$NO_SFTP"; then
1671         echo "sftp-server will be disabled.  Your compiler does not support"
1672         echo "64bit integers."
1673         echo ""
1674 fi