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 # Use LOGIN_PROGRAM from environment if possible
  19 if test ! -z "$LOGIN_PROGRAM" ; then
  20         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  21 else
  22         # Search for login
  23         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  24         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  25                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  26         fi
  27 fi
  28
  29 if test -z "$LD" ; then
  30         LD=$CC
  31 fi
  32 AC_SUBST(LD)
  33
  34 # C Compiler features
  35 AC_C_INLINE
  36 if test "$GCC" = "yes"; then
  37         CFLAGS="$CFLAGS -Wall"
  38 fi
  39
  40 CFLAGS="$CFLAGS -I. -I${srcdir-.}"
  41
  42 # Check for some target-specific stuff
  43 case "$host" in
  44 *-*-aix*)
  45         AFS_LIBS="-lld"
  46         CFLAGS="$CFLAGS -I/usr/local/include"
  47         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  48         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  49                 blibpath="/usr/lib:/lib:/usr/local/lib"
  50         fi
  51         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  52         AC_DEFINE(BROKEN_GETADDRINFO)
  53         MANTYPE='$(CATMAN)'
  54         mansubdir=cat
  55         dnl AIX handles lastlog as part of its login message
  56         AC_DEFINE(DISABLE_LASTLOG)
  57         MANTYPE='$(CATMAN)'
  58         mansubdir=cat
  59         ;;
  60 *-*-cygwin*)
  61         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  62         AC_DEFINE(HAVE_CYGWIN)
  63         AC_DEFINE(DISABLE_PAM)
  64         AC_DEFINE(DISABLE_SHADOW)
  65         AC_DEFINE(IPV4_DEFAULT)
  66         AC_DEFINE(IP_TOS_IS_BROKEN)
  67         AC_DEFINE(BROKEN_VHANGUP)
  68         no_pam=1
  69         no_libsocket=1
  70         no_libnsl=1
  71         ;;
  72 *-*-hpux10*)
  73         if test -z "$GCC"; then
  74                 CFLAGS="$CFLAGS -Ae"
  75         fi
  76         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  77         IPADDR_IN_DISPLAY=yes
  78         AC_DEFINE(USE_PIPES)
  79         AC_DEFINE(DISABLE_SHADOW)
  80         AC_DEFINE(DISABLE_UTMP)
  81         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  82         LIBS="$LIBS -lsec"
  83         MANTYPE='$(CATMAN)'
  84         mansubdir=cat
  85         ;;
  86 *-*-hpux11*)
  87         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  88         IPADDR_IN_DISPLAY=yes
  89         AC_DEFINE(USE_PIPES)
  90         AC_DEFINE(DISABLE_SHADOW)
  91         AC_DEFINE(DISABLE_UTMP)
  92         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  93         LIBS="$LIBS -lsec"
  94         MANTYPE='$(CATMAN)'
  95         mansubdir=cat
  96         ;;
  97 *-*-irix5*)
  98         CFLAGS="$CFLAGS -I/usr/local/include"
  99         LDFLAGS="$LDFLAGS"
 100         PATH="$PATH:/usr/etc"
 101         MANTYPE='$(CATMAN)'
 102         no_libsocket=1
 103         no_libnsl=1
 104         AC_DEFINE(BROKEN_INET_NTOA)
 105         ;;
 106 *-*-irix6*)
 107         CFLAGS="$CFLAGS -I/usr/local/include"
 108         LDFLAGS="$LDFLAGS"
 109         PATH="$PATH:/usr/etc"
 110         MANTYPE='$(CATMAN)'
 111         AC_DEFINE(WITH_IRIX_ARRAY)
 112         AC_DEFINE(WITH_IRIX_PROJECT)
 113         AC_DEFINE(WITH_IRIX_AUDIT)
 114         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 115         no_libsocket=1
 116         no_libnsl=1
 117         AC_DEFINE(BROKEN_INET_NTOA)
 118         ;;
 119 *-*-linux*)
 120         no_dev_ptmx=1
 121         AC_DEFINE(DONT_TRY_OTHER_AF)
 122         AC_DEFINE(PAM_TTY_KLUDGE)
 123         inet6_default_4in6=yes
 124         ;;
 125 mips-sony-bsd|mips-sony-newsos4)
 126         AC_DEFINE(HAVE_NEWS4)
 127         SONY=1
 128         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 129                 AC_MSG_ERROR([*** libiberty missing - please install first ***])
 130         )
 131         ;;
 132 *-*-netbsd*)
 133         need_dash_r=1
 134         ;;
 135 *-next-*)
 136         conf_lastlog_location="/usr/adm/lastlog"
 137         conf_utmp_location=/etc/utmp
 138         conf_wtmp_location=/usr/adm/wtmp
 139         MAIL=/usr/spool/mail
 140         AC_DEFINE(HAVE_NEXT)
 141         AC_DEFINE(BROKEN_REALPATH)
 142         AC_DEFINE(USE_PIPES)
 143         CFLAGS="$CFLAGS -I/usr/local/include"
 144         ;;
 145 *-*-solaris*)
 146         CFLAGS="$CFLAGS -I/usr/local/include"
 147         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 148         need_dash_r=1
 149         # hardwire lastlog location (can't detect it on some versions)
 150         conf_lastlog_location="/var/adm/lastlog"
 151         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 152         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 153         if test "$sol2ver" -ge 8; then
 154                 AC_MSG_RESULT(yes)
 155                 AC_DEFINE(DISABLE_UTMP)
 156                 AC_DEFINE(DISABLE_WTMP)
 157         else
 158                 AC_MSG_RESULT(no)
 159         fi
 160         ;;
 161 *-*-sunos4*)
 162         CFLAGS="$CFLAGS -DSUNOS4"
 163         AC_CHECK_FUNCS(getpwanam)
 164         conf_utmp_location=/etc/utmp
 165         conf_wtmp_location=/var/adm/wtmp
 166         conf_lastlog_location=/var/adm/lastlog
 167         AC_DEFINE(USE_PIPES)
 168         MANTYPE='$(CATMAN)'
 169         mansubdir=cat
 170         ;;
 171 *-sni-sysv*)
 172         CFLAGS="$CFLAGS -I/usr/local/include"
 173         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 174         MANTYPE='$(CATMAN)'
 175         AC_DEFINE(IP_TOS_IS_BROKEN)
 176         mansubdir=cat
 177         LIBS="$LIBS -lgen -lnsl -lucb"
 178         ;;
 179 *-*-sysv4.2*)
 180         CFLAGS="$CFLAGS -I/usr/local/include"
 181         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 182         MANTYPE='$(CATMAN)'
 183         mansubdir=cat
 184         LIBS="$LIBS -lgen -lsocket -lnsl -lresolv"
 185         enable_suid_ssh=no
 186         ;;
 187 *-*-sysv5*)
 188         CFLAGS="$CFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 190         MANTYPE='$(CATMAN)'
 191         mansubdir=cat
 192         LIBS="$LIBS -lgen -lsocket"
 193         enable_suid_ssh=no
 194         ;;
 195 *-*-sysv*)
 196         CFLAGS="$CFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 198         MANTYPE='$(CATMAN)'
 199         mansubdir=cat
 200         LIBS="$LIBS -lgen -lsocket"
 201         ;;
 202 *-*-sco3.2v4*)
 203         AC_DEFINE(USE_PIPES)
 204         CFLAGS="$CFLAGS -Dftruncate=chsize -I/usr/local/include"
 205         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 206         MANTYPE='$(CATMAN)'
 207         mansubdir=cat
 208         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 209         no_dev_ptmx=1
 210         RANLIB=true
 211         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 212         rsh_path="/usr/bin/rcmd"
 213         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 214         AC_DEFINE(DISABLE_SHADOW)
 215         ;;
 216 *-*-sco3.2v5*)
 217         CFLAGS="$CFLAGS -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         MANTYPE='$(CATMAN)'
 220         mansubdir=cat
 221         LIBS="$LIBS -lgen -lsocket -lprot -lx -ltinfo -lm"
 222         no_dev_ptmx=1
 223         rsh_path="/usr/bin/rcmd"
 224         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 225         AC_DEFINE(DISABLE_SHADOW)
 226         ;;
 227 *-dec-osf*)
 228 # This is untested
 229         if test ! -z "USE_SIA" ; then
 230                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 231                 if test -f /etc/sia/matrix.conf; then
 232                         AC_MSG_RESULT(yes)
 233                         AC_DEFINE(HAVE_OSF_SIA)
 234                         AC_DEFINE(DISABLE_LOGIN)
 235                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 236                 else
 237                         AC_MSG_RESULT(no)
 238                 fi
 239         fi
 240         ;;
 241 esac
 242
 243 # Allow user to specify flags
 244 AC_ARG_WITH(cflags,
 245         [  --with-cflags           Specify additional flags to pass to compiler],
 246         [
 247                 if test "x$withval" != "xno" ; then
 248                         CFLAGS="$CFLAGS $withval"
 249                 fi
 250         ]
 251 )
 252 AC_ARG_WITH(ldflags,
 253         [  --with-ldflags          Specify additional flags to pass to linker],
 254         [
 255                 if test "x$withval" != "xno" ; then
 256                         LDFLAGS="$LDFLAGS $withval"
 257                 fi
 258         ]
 259 )
 260 AC_ARG_WITH(libs,
 261         [  --with-libs             Specify additional libraries to link with],
 262         [
 263                 if test "x$withval" != "xno" ; then
 264                         LIBS="$LIBS $withval"
 265                 fi
 266         ]
 267 )
 268
 269
 270 # Checks for libraries.
 271 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 272 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 273
 274 AC_CHECK_FUNC(regcomp,
 275         [],
 276         [
 277                 AC_CHECK_LIB(pcre, pcre_info,
 278                         AC_DEFINE(HAVE_LIBPCRE) LIBS="$LIBS -lpcreposix -lpcre")
 279         ]
 280 )
 281
 282 if test -z "$no_libsocket" ; then
 283         AC_CHECK_LIB(nsl, yp_match, , )
 284 fi
 285 if test -z "$no_libnsl" ; then
 286         AC_CHECK_LIB(socket, main, , )
 287 fi
 288
 289 # Checks for header files.
 290 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utmp.h utmpx.h vis.h)
 291
 292 dnl    Checks for library functions.
 293 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getnameinfo getrusage getttyent inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setenv seteuid setlogin setproctitle setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strsep strtok_r vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 294 dnl    Checks for time functions
 295 AC_CHECK_FUNCS(gettimeofday time)
 296 dnl    Checks for libutil functions
 297 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 298 dnl    Checks for utmp functions
 299 AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
 300 AC_CHECK_FUNCS(utmpname)
 301 dnl    Checks for utmpx functions
 302 AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
 303 AC_CHECK_FUNCS(setutxent utmpxname)
 304
 305 AC_CHECK_FUNC(getuserattr,
 306         [AC_DEFINE(HAVE_GETUSERATTR)],
 307         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 308 )
 309
 310 AC_CHECK_FUNC(login,
 311         [AC_DEFINE(HAVE_LOGIN)],
 312         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 313 )
 314
 315 AC_CHECK_FUNC(daemon,
 316         [AC_DEFINE(HAVE_DAEMON)],
 317         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 318 )
 319
 320 AC_CHECK_FUNC(getpagesize,
 321         [AC_DEFINE(HAVE_GETPAGESIZE)],
 322         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 323 )
 324
 325 # Check for broken snprintf
 326 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 327         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 328         AC_TRY_RUN(
 329                 [
 330 #include <stdio.h>
 331 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 332                 ],
 333                 [AC_MSG_RESULT(yes)],
 334                 [
 335                         AC_MSG_RESULT(no)
 336                         AC_DEFINE(BROKEN_SNPRINTF)
 337                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 338                 ]
 339         )
 340 fi
 341
 342 AC_FUNC_GETPGRP
 343
 344 PAM_MSG="no"
 345 AC_ARG_WITH(pam,
 346         [  --without-pam           Disable PAM support ],
 347         [
 348                 if test "x$withval" = "xno" ; then
 349                         no_pam=1
 350                         AC_DEFINE(DISABLE_PAM)
 351                         PAM_MSG="disabled"
 352                 fi
 353         ]
 354 )
 355 if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 356         AC_CHECK_LIB(dl, dlopen, , )
 357         LIBS="$LIBS -lpam"
 358
 359         AC_CHECK_FUNCS(pam_getenvlist)
 360
 361         disable_shadow=yes
 362
 363         PAM_MSG="yes"
 364
 365         # Check PAM strerror arguments (old PAM)
 366         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 367         AC_TRY_COMPILE(
 368                 [
 369 #include <stdlib.h>
 370 #include <security/pam_appl.h>
 371                 ],
 372                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 373                 [AC_MSG_RESULT(no)],
 374                 [
 375                         AC_DEFINE(HAVE_OLD_PAM)
 376                         AC_MSG_RESULT(yes)
 377                         PAM_MSG="yes (old library)"
 378                 ]
 379         )
 380 fi
 381
 382 # The big search for OpenSSL
 383 AC_ARG_WITH(ssl-dir,
 384         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 385         [
 386                 if test "x$withval" != "xno" ; then
 387                         tryssldir=$withval
 388                 fi
 389         ]
 390 )
 391
 392 saved_LIBS="$LIBS"
 393 saved_LDFLAGS="$LDFLAGS"
 394 saved_CFLAGS="$CFLAGS"
 395 if test "x$prefix" != "xNONE" ; then
 396         tryssldir="$tryssldir $prefix"
 397 fi
 398 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 399
 400         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 401                 if test ! -z "$ssldir" ; then
 402                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 403                         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 404                         if test ! -z "$need_dash_r" ; then
 405                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 406                         fi
 407                 else
 408                         LDFLAGS="$saved_LDFLAGS"
 409                 fi
 410
 411                 LIBS="$saved_LIBS -lcrypto"
 412
 413                 # Basic test to check for compatible version and correct linking
 414                 # *does not* test for RSA - that comes later.
 415                 AC_TRY_RUN(
 416                         [
 417 #include <string.h>
 418 #include <openssl/rand.h>
 419 int main(void)
 420 {
 421         char a[2048];
 422         memset(a, 0, sizeof(a));
 423         RAND_add(a, sizeof(a), sizeof(a));
 424         return(RAND_status() <= 0);
 425 }
 426                         ],
 427                         [
 428                                 found_crypto=1
 429                                 break;
 430                         ], []
 431                 )
 432
 433                 if test ! -z "$found_crypto" ; then
 434                         break;
 435                 fi
 436         done
 437
 438         if test -z "$found_crypto" ; then
 439                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 440         fi
 441         if test -z "$ssldir" ; then
 442                 ssldir="(system)"
 443         fi
 444
 445         ac_cv_openssldir=$ssldir
 446 ])
 447
 448 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 449         AC_DEFINE(HAVE_OPENSSL)
 450         dnl Need to recover ssldir - test above runs in subshell
 451         ssldir=$ac_cv_openssldir
 452         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 453         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 454         if test ! -z "$need_dash_r" ; then
 455                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 456         fi
 457         if test ! -z "$blibpath" ; then
 458                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 459         fi
 460 fi
 461 LIBS="$saved_LIBS -lcrypto"
 462
 463 # Now test RSA support
 464 saved_LIBS="$LIBS"
 465 AC_MSG_CHECKING([for RSA support])
 466 for WANTS_RSAREF in "" 1 ; do
 467         if test -z "$WANTS_RSAREF" ; then
 468                 LIBS="$saved_LIBS"
 469         else
 470                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 471         fi
 472         AC_TRY_RUN([
 473 #include <string.h>
 474 #include <openssl/rand.h>
 475 #include <openssl/rsa.h>
 476 #include <openssl/bn.h>
 477 #include <openssl/sha.h>
 478 int main(void)
 479 {
 480         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 481         unsigned char c[256], p[256];
 482         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 483         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 484         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 485         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 486 }
 487         ],
 488         [
 489                 rsa_works=1
 490                 break;
 491         ], [])
 492 done
 493
 494 if test ! -z "$no_rsa" ; then
 495         AC_MSG_RESULT(disabled)
 496         RSA_MSG="disabled"
 497 else
 498         if test -z "$rsa_works" ; then
 499                 AC_MSG_WARN([*** No RSA support found *** ])
 500                 RSA_MSG="no"
 501         else
 502                 if test -z "$WANTS_RSAREF" ; then
 503                         AC_MSG_RESULT(yes)
 504                         RSA_MSG="yes"
 505                 else
 506                         RSA_MSG="yes (using RSAref)"
 507                         AC_MSG_RESULT(using RSAref)
 508                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 509                 fi
 510         fi
 511 fi
 512
 513 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 514 if test ! -z "$SONY" ; then
 515   LIBS="$LIBS -liberty";
 516 fi
 517
 518 # Checks for data types
 519 AC_CHECK_SIZEOF(char, 1)
 520 AC_CHECK_SIZEOF(short int, 2)
 521 AC_CHECK_SIZEOF(int, 4)
 522 AC_CHECK_SIZEOF(long int, 4)
 523 AC_CHECK_SIZEOF(long long int, 8)
 524
 525 # More checks for data types
 526 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 527         AC_TRY_COMPILE(
 528                 [ #include <sys/types.h> ],
 529                 [ u_int a; a = 1;],
 530                 [ ac_cv_have_u_int="yes" ],
 531                 [ ac_cv_have_u_int="no" ]
 532         )
 533 ])
 534 if test "x$ac_cv_have_u_int" = "xyes" ; then
 535         AC_DEFINE(HAVE_U_INT)
 536         have_u_int=1
 537 fi
 538
 539 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 540         AC_TRY_COMPILE(
 541                 [ #include <sys/types.h> ],
 542                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 543                 [ ac_cv_have_intxx_t="yes" ],
 544                 [ ac_cv_have_intxx_t="no" ]
 545         )
 546 ])
 547 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 548         AC_DEFINE(HAVE_INTXX_T)
 549         have_intxx_t=1
 550 fi
 551
 552 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 553         AC_TRY_COMPILE(
 554                 [ #include <sys/types.h> ],
 555                 [ int64_t a; a = 1;],
 556                 [ ac_cv_have_int64_t="yes" ],
 557                 [ ac_cv_have_int64_t="no" ]
 558         )
 559 ])
 560 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 561         AC_DEFINE(HAVE_INT64_T)
 562         have_int64_t=1
 563 fi
 564
 565 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 566         AC_TRY_COMPILE(
 567                 [ #include <sys/types.h> ],
 568                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 569                 [ ac_cv_have_u_intxx_t="yes" ],
 570                 [ ac_cv_have_u_intxx_t="no" ]
 571         )
 572 ])
 573 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 574         AC_DEFINE(HAVE_U_INTXX_T)
 575         have_u_intxx_t=1
 576 fi
 577
 578 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 579         AC_TRY_COMPILE(
 580                 [ #include <sys/types.h> ],
 581                 [ u_int64_t a; a = 1;],
 582                 [ ac_cv_have_u_int64_t="yes" ],
 583                 [ ac_cv_have_u_int64_t="no" ]
 584         )
 585 ])
 586 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 587         AC_DEFINE(HAVE_U_INT64_T)
 588         have_u_int64_t=1
 589 fi
 590
 591 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 592            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 593 then
 594         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 595         AC_TRY_COMPILE(
 596                 [
 597 #include <sys/bitypes.h>
 598                 ],
 599                 [
 600                         int8_t a; int16_t b; int32_t c;
 601                         u_int8_t e; u_int16_t f; u_int32_t g;
 602                         a = b = c = e = f = g = 1;
 603                 ],
 604                 [
 605                         AC_DEFINE(HAVE_U_INTXX_T)
 606                         AC_DEFINE(HAVE_INTXX_T)
 607                         AC_MSG_RESULT(yes)
 608                 ],
 609                 [AC_MSG_RESULT(no)]
 610         )
 611 fi
 612
 613 if test -z "$have_u_intxx_t" ; then
 614         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 615                 AC_TRY_COMPILE(
 616                         [
 617 #include <sys/types.h>
 618                         ],
 619                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 620                         [ ac_cv_have_uintxx_t="yes" ],
 621                         [ ac_cv_have_uintxx_t="no" ]
 622                 )
 623         ])
 624         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 625                 AC_DEFINE(HAVE_UINTXX_T)
 626         fi
 627 fi
 628
 629 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 630         AC_TRY_COMPILE(
 631                 [
 632 #include <sys/types.h>
 633 #include <sys/socket.h>
 634                 ],
 635                 [socklen_t foo; foo = 1235;],
 636                 [ ac_cv_have_socklen_t="yes" ],
 637                 [ ac_cv_have_socklen_t="no" ]
 638         )
 639 ])
 640 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 641         AC_DEFINE(HAVE_SOCKLEN_T)
 642 fi
 643
 644 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 645         AC_TRY_COMPILE(
 646                 [
 647 #include <sys/types.h>
 648                 ],
 649                 [ size_t foo; foo = 1235; ],
 650                 [ ac_cv_have_size_t="yes" ],
 651                 [ ac_cv_have_size_t="no" ]
 652         )
 653 ])
 654 if test "x$ac_cv_have_size_t" = "xyes" ; then
 655         AC_DEFINE(HAVE_SIZE_T)
 656 fi
 657
 658 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 659         AC_TRY_COMPILE(
 660                 [
 661 #include <sys/types.h>
 662                 ],
 663                 [ ssize_t foo; foo = 1235; ],
 664                 [ ac_cv_have_ssize_t="yes" ],
 665                 [ ac_cv_have_ssize_t="no" ]
 666         )
 667 ])
 668 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 669         AC_DEFINE(HAVE_SSIZE_T)
 670 fi
 671
 672 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 673         AC_TRY_COMPILE(
 674                 [
 675 #include <sys/types.h>
 676 #include <sys/socket.h>
 677                 ],
 678                 [ sa_family_t foo; foo = 1235; ],
 679                 [ ac_cv_have_sa_family_t="yes" ],
 680                 [ AC_TRY_COMPILE(
 681                   [
 682 #include <sys/types.h>
 683 #include <sys/socket.h>
 684 #include <netinet/in.h>
 685                 ],
 686                 [ sa_family_t foo; foo = 1235; ],
 687                 [ ac_cv_have_sa_family_t="yes" ],
 688
 689                 [ ac_cv_have_sa_family_t="no" ]
 690         )]
 691         )
 692 ])
 693 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 694         AC_DEFINE(HAVE_SA_FAMILY_T)
 695 fi
 696
 697 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 698         AC_TRY_COMPILE(
 699                 [
 700 #include <sys/types.h>
 701                 ],
 702                 [ pid_t foo; foo = 1235; ],
 703                 [ ac_cv_have_pid_t="yes" ],
 704                 [ ac_cv_have_pid_t="no" ]
 705         )
 706 ])
 707 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 708         AC_DEFINE(HAVE_PID_T)
 709 fi
 710
 711 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 712         AC_TRY_COMPILE(
 713                 [
 714 #include <sys/types.h>
 715                 ],
 716                 [ mode_t foo; foo = 1235; ],
 717                 [ ac_cv_have_mode_t="yes" ],
 718                 [ ac_cv_have_mode_t="no" ]
 719         )
 720 ])
 721 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 722         AC_DEFINE(HAVE_MODE_T)
 723 fi
 724
 725
 726 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 727         AC_TRY_COMPILE(
 728                 [
 729 #include <sys/types.h>
 730 #include <sys/socket.h>
 731                 ],
 732                 [ struct sockaddr_storage s; ],
 733                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 734                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 735         )
 736 ])
 737 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 738         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 739 fi
 740
 741 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 742         AC_TRY_COMPILE(
 743                 [
 744 #include <sys/types.h>
 745 #include <netinet/in.h>
 746                 ],
 747                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 748                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 749                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 750         )
 751 ])
 752 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 753         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 754 fi
 755
 756 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 757         AC_TRY_COMPILE(
 758                 [
 759 #include <sys/types.h>
 760 #include <netinet/in.h>
 761                 ],
 762                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 763                 [ ac_cv_have_struct_in6_addr="yes" ],
 764                 [ ac_cv_have_struct_in6_addr="no" ]
 765         )
 766 ])
 767 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 768         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 769 fi
 770
 771 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 772         AC_TRY_COMPILE(
 773                 [
 774 #include <sys/types.h>
 775 #include <sys/socket.h>
 776 #include <netdb.h>
 777                 ],
 778                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 779                 [ ac_cv_have_struct_addrinfo="yes" ],
 780                 [ ac_cv_have_struct_addrinfo="no" ]
 781         )
 782 ])
 783 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 784         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 785 fi
 786
 787 dnl Checks for structure members
 788 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 789 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 790 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 791 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 792 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 793 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 794 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 795 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 796 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 797 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 798 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 799 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 800 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 801 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 802 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 803 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 804 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 805 AC_STRUCT_ST_BLKSIZE
 806
 807 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 808                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 809         AC_TRY_COMPILE(
 810                 [
 811 #include <sys/types.h>
 812 #include <sys/socket.h>
 813                 ],
 814                 [ struct sockaddr_un s; s.sun_len = 1; ],
 815                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 816                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 817         )
 818 ])
 819 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 820         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 821 fi
 822
 823 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 824                 ac_cv_have_ss_family_in_struct_ss, [
 825         AC_TRY_COMPILE(
 826                 [
 827 #include <sys/types.h>
 828 #include <sys/socket.h>
 829                 ],
 830                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 831                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 832                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 833         )
 834 ])
 835 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 836         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 837 fi
 838
 839 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 840                 ac_cv_have___ss_family_in_struct_ss, [
 841         AC_TRY_COMPILE(
 842                 [
 843 #include <sys/types.h>
 844 #include <sys/socket.h>
 845                 ],
 846                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 847                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 848                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 849         )
 850 ])
 851 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 852         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 853 fi
 854
 855 AC_CACHE_CHECK([for pw_class field in struct passwd],
 856                 ac_cv_have_pw_class_in_struct_passwd, [
 857         AC_TRY_COMPILE(
 858                 [
 859 #include <pwd.h>
 860                 ],
 861                 [ struct passwd p; p.pw_class = 0; ],
 862                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
 863                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
 864         )
 865 ])
 866 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
 867         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
 868 fi
 869
 870
 871 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 872         AC_TRY_LINK([],
 873                 [ extern char *__progname; printf("%s", __progname); ],
 874                 [ ac_cv_libc_defines___progname="yes" ],
 875                 [ ac_cv_libc_defines___progname="no" ]
 876         )
 877 ])
 878 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 879         AC_DEFINE(HAVE___PROGNAME)
 880 fi
 881
 882
 883 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 884         AC_TRY_LINK([],
 885                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 886                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 887                 [ ac_cv_libc_defines_sys_errlist="no" ]
 888         )
 889 ])
 890 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 891         AC_DEFINE(HAVE_SYS_ERRLIST)
 892 fi
 893
 894
 895 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 896         AC_TRY_LINK([],
 897                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 898                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 899                 [ ac_cv_libc_defines_sys_nerr="no" ]
 900         )
 901 ])
 902 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 903         AC_DEFINE(HAVE_SYS_NERR)
 904 fi
 905
 906
 907 # Looking for programs, paths and files
 908 AC_ARG_WITH(rsh,
 909         [  --with-rsh=PATH         Specify path to remote shell program ],
 910         [
 911                 if test "x$withval" != "$no" ; then
 912                         rsh_path=$withval
 913                 fi
 914         ],
 915         [
 916                 AC_PATH_PROG(rsh_path, rsh)
 917         ]
 918 )
 919
 920 AC_ARG_WITH(xauth,
 921         [  --with-xauth=PATH       Specify path to xauth program ],
 922         [
 923                 if test "x$withval" != "xno" ; then
 924                         xauth_path=$withval
 925                 fi
 926         ],
 927         [
 928                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
 929                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 930                         xauth_path="/usr/openwin/bin/xauth"
 931                 fi
 932         ]
 933 )
 934
 935 if test ! -z "$xauth_path" ; then
 936         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 937 fi
 938 if test ! -z "$rsh_path" ; then
 939         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 940 fi
 941
 942 # Check for mail directory (last resort if we cannot get it from headers)
 943 if test ! -z "$MAIL" ; then
 944         maildir=`dirname $MAIL`
 945         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 946 fi
 947
 948 if test -z "$no_dev_ptmx" ; then
 949         AC_CHECK_FILE("/dev/ptmx",
 950                 [
 951                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 952                         have_dev_ptmx=1
 953                 ]
 954         )
 955 fi
 956 AC_CHECK_FILE("/dev/ptc",
 957         [
 958                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 959                 have_dev_ptc=1
 960         ]
 961 )
 962
 963 # Options from here on. Some of these are preset by platform above
 964
 965 # Check for user-specified random device, otherwise check /dev/urandom
 966 AC_ARG_WITH(random,
 967         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 968         [
 969                 if test "x$withval" != "xno" ; then
 970                         RANDOM_POOL="$withval";
 971                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 972                 fi
 973         ],
 974         [
 975                 # Check for random device
 976                 AC_CHECK_FILE("/dev/urandom",
 977                         [
 978                                 RANDOM_POOL="/dev/urandom";
 979                                 AC_SUBST(RANDOM_POOL)
 980                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 981                         ]
 982                 )
 983         ]
 984 )
 985
 986 # Check for EGD pool file
 987 AC_ARG_WITH(egd-pool,
 988         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 989         [
 990                 if test "x$withval" != "xno" ; then
 991                         EGD_SOCKET="$withval";
 992                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 993                 fi
 994         ]
 995 )
 996
 997 # detect pathnames for entropy gathering commands, if we need them
 998 INSTALL_SSH_PRNG_CMDS=""
 999 rm -f prng_commands
1000 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1001         # Use these commands to collect entropy
1002         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1003         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1004         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1005         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1006         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1007         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1008         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1009         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1010         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1011         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1012         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1013         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1014         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1015         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1016         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1017
1018         INSTALL_SSH_PRNG_CMDS="yes"
1019 fi
1020 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1021
1022
1023 AC_ARG_WITH(catman,
1024         [  --with-catman=man|cat   Install preformatted manpages[no]],
1025         [
1026                 MANTYPE='$(CATMAN)'
1027                 if test x"$withval" != x"yes" ; then
1028                    mansubdir=$withval
1029                 else
1030                    mansubdir=cat
1031                 fi
1032         ], [
1033                 if test -z "$MANTYPE" ; then
1034                         MANTYPE='$(TROFFMAN)'
1035                         mansubdir=man
1036                 fi
1037         ]
1038 )
1039 AC_SUBST(MANTYPE)
1040 AC_SUBST(mansubdir)
1041
1042 # Check whether user wants Kerberos support
1043 KRB4_MSG="no"
1044 AC_ARG_WITH(kerberos4,
1045         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1046         [
1047                 if test "x$withval" != "xno" ; then
1048
1049                         if test "x$withval" != "xyes" ; then
1050                                 CFLAGS="$CFLAGS -I${withval}/include"
1051                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1052                                 if test ! -z "$need_dash_r" ; then
1053                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1054                                 fi
1055                                 if test ! -z "$blibpath" ; then
1056                                         blibpath="$blibpath:${withval}/lib"
1057                                 fi
1058                         else
1059                                 if test -d /usr/include/kerberosIV ; then
1060                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
1061                                 fi
1062                         fi
1063
1064                         AC_CHECK_HEADERS(krb.h)
1065                         AC_CHECK_LIB(krb, main)
1066                         if test "$ac_cv_header_krb_h" != yes; then
1067                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1068                         fi
1069                         if test "$ac_cv_lib_krb_main" != yes; then
1070                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
1071                         fi
1072
1073                         KLIBS="-lkrb -ldes"
1074                         AC_CHECK_LIB(resolv, dn_expand, , )
1075                         KRB4=yes
1076                         KRB4_MSG="yes"
1077                         AC_DEFINE(KRB4)
1078                 fi
1079         ]
1080 )
1081
1082 # Check whether user wants AFS support
1083 AFS_MSG="no"
1084 AC_ARG_WITH(afs,
1085         [  --with-afs=PATH         Enable AFS support],
1086         [
1087                 if test "x$withval" != "xno" ; then
1088
1089                         if test "x$withval" != "xyes" ; then
1090                                 CFLAGS="$CFLAGS -I${withval}/include"
1091                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1092                         fi
1093
1094                         if test -z "$KRB4" ; then
1095                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1096                         fi
1097
1098                         LIBS="$LIBS -lkafs"
1099                         if test ! -z "$AFS_LIBS" ; then
1100                                 LIBS="$LIBS $AFS_LIBS"
1101                         fi
1102                         AC_DEFINE(AFS)
1103                         AFS_MSG="yes"
1104                 fi
1105         ]
1106 )
1107 LIBS="$LIBS $KLIBS"
1108
1109 # Check whether user wants S/Key support
1110 SKEY_MSG="no"
1111 AC_ARG_WITH(skey,
1112         [  --with-skey=PATH         Enable S/Key support],
1113         [
1114                 if test "x$withval" != "xno" ; then
1115
1116                         if test "x$withval" != "xyes" ; then
1117                                 CFLAGS="$CFLAGS -I${withval}/include"
1118                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1119                         fi
1120
1121                         AC_DEFINE(SKEY)
1122                         LIBS="$LIBS -lskey"
1123                         SKEY_MSG="yes"
1124
1125                         AC_CHECK_FUNC(skey_keyinfo,
1126                                 [],
1127                                 [
1128                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1129                                 ])
1130                 fi
1131         ]
1132 )
1133
1134 # Check whether user wants TCP wrappers support
1135 TCPW_MSG="no"
1136 AC_ARG_WITH(tcp-wrappers,
1137         [  --with-tcp-wrappers     Enable tcpwrappers support],
1138         [
1139                 if test "x$withval" != "xno" ; then
1140                         saved_LIBS="$LIBS"
1141                         LIBS="$LIBS -lwrap"
1142                         AC_MSG_CHECKING(for libwrap)
1143                         AC_TRY_LINK(
1144                                 [
1145 #include <tcpd.h>
1146                                         int deny_severity = 0, allow_severity = 0;
1147                                 ],
1148                                 [hosts_access(0);],
1149                                 [
1150                                         AC_MSG_RESULT(yes)
1151                                         AC_DEFINE(LIBWRAP)
1152                                         TCPW_MSG="yes"
1153                                 ],
1154                                 [
1155                                         AC_MSG_ERROR([*** libwrap missing])
1156                                 ]
1157                         )
1158                 fi
1159         ]
1160 )
1161
1162 # Check whether to enable MD5 passwords
1163 MD5_MSG="no"
1164 AC_ARG_WITH(md5-passwords,
1165         [  --with-md5-passwords    Enable use of MD5 passwords],
1166         [
1167                 if test "x$withval" != "xno" ; then
1168                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1169                         MD5_MSG="yes"
1170                 fi
1171         ]
1172 )
1173
1174 # Whether to disable shadow password support
1175 AC_ARG_WITH(shadow,
1176         [  --without-shadow        Disable shadow password support],
1177         [
1178                 if test "x$withval" = "xno" ; then
1179                         AC_DEFINE(DISABLE_SHADOW)
1180                         disable_shadow=yes
1181                 fi
1182         ]
1183 )
1184
1185 if test -z "$disable_shadow" ; then
1186         AC_MSG_CHECKING([if the systems has expire shadow information])
1187         AC_TRY_COMPILE(
1188         [
1189 #include <sys/types.h>
1190 #include <shadow.h>
1191         struct spwd sp;
1192         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1193         [ sp_expire_available=yes ], []
1194         )
1195
1196         if test "x$sp_expire_available" = "xyes" ; then
1197                 AC_MSG_RESULT(yes)
1198                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1199         else
1200                 AC_MSG_RESULT(no)
1201         fi
1202 fi
1203
1204 # Use ip address instead of hostname in $DISPLAY
1205 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1206         DISPLAY_HACK_MSG="yes"
1207         AC_DEFINE(IPADDR_IN_DISPLAY)
1208 else
1209         DISPLAY_HACK_MSG="no"
1210         AC_ARG_WITH(ipaddr-display,
1211                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1212                 [
1213                         if test "x$withval" != "xno" ; then
1214                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1215                                 DISPLAY_HACK_MSG="yes"
1216                         fi
1217                 ]
1218         )
1219 fi
1220
1221 # Whether to mess with the default path
1222 SERVER_PATH_MSG="(default)"
1223 AC_ARG_WITH(default-path,
1224         [  --with-default-path=PATH Specify default \$PATH environment for server],
1225         [
1226                 if test "x$withval" != "xno" ; then
1227                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1228                         SERVER_PATH_MSG="$withval"
1229                 fi
1230         ]
1231 )
1232
1233 # Whether to force IPv4 by default (needed on broken glibc Linux)
1234 IPV4_HACK_MSG="no"
1235 AC_ARG_WITH(ipv4-default,
1236         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1237         [
1238                 if test "x$withval" != "xno" ; then
1239                         AC_DEFINE(IPV4_DEFAULT)
1240                         IPV4_HACK_MSG="yes"
1241                 fi
1242         ]
1243 )
1244
1245 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1246 IPV4_IN6_HACK_MSG="no"
1247 AC_ARG_WITH(4in6,
1248         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1249         [
1250                 if test "x$withval" != "xno" ; then
1251                         AC_MSG_RESULT(yes)
1252                         AC_DEFINE(IPV4_IN_IPV6)
1253                         IPV4_IN6_HACK_MSG="yes"
1254                 else
1255                         AC_MSG_RESULT(no)
1256                 fi
1257         ],[
1258                 if test "x$inet6_default_4in6" = "xyes"; then
1259                         AC_MSG_RESULT([yes (default)])
1260                         AC_DEFINE(IPV4_IN_IPV6)
1261                         IPV4_IN6_HACK_MSG="yes"
1262                 else
1263                         AC_MSG_RESULT([no (default)])
1264                 fi
1265         ]
1266 )
1267
1268 AC_MSG_CHECKING(whether to install ssh as suid root)
1269 AC_ARG_ENABLE(suid-ssh,
1270 [  --enable-suid-ssh       Install ssh as suid root (default)
1271   --disable-suid-ssh      Install ssh without suid bit],
1272 [ case "$enableval" in
1273   no)
1274        AC_MSG_RESULT(no)
1275        SSHMODE=0711
1276        ;;
1277   *)   AC_MSG_RESULT(yes)
1278        SSHMODE=04711
1279        ;;
1280   esac ],
1281   AC_MSG_RESULT(yes)
1282   SSHMODE=04711
1283 )
1284 AC_SUBST(SSHMODE)
1285
1286
1287 # Where to place sshd.pid
1288 piddir=/var/run
1289 AC_ARG_WITH(pid-dir,
1290         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1291         [
1292                 if test "x$withval" != "xno" ; then
1293                         piddir=$withval
1294                 fi
1295         ]
1296 )
1297
1298 # make sure the directory exists
1299 if test ! -d $piddir ; then
1300         piddir=`eval echo ${sysconfdir}`
1301         case $piddir in
1302                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1303         esac
1304 fi
1305
1306 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1307 AC_SUBST(piddir)
1308
1309 dnl allow user to disable some login recording features
1310 AC_ARG_ENABLE(lastlog,
1311         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1312         [ AC_DEFINE(DISABLE_LASTLOG) ]
1313 )
1314 AC_ARG_ENABLE(utmp,
1315         [  --disable-utmp          disable use of utmp even if detected [no]],
1316         [ AC_DEFINE(DISABLE_UTMP) ]
1317 )
1318 AC_ARG_ENABLE(utmpx,
1319         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1320         [ AC_DEFINE(DISABLE_UTMPX) ]
1321 )
1322 AC_ARG_ENABLE(wtmp,
1323         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1324         [ AC_DEFINE(DISABLE_WTMP) ]
1325 )
1326 AC_ARG_ENABLE(wtmpx,
1327         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1328         [ AC_DEFINE(DISABLE_WTMPX) ]
1329 )
1330 AC_ARG_ENABLE(libutil,
1331         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1332         [ AC_DEFINE(DISABLE_LOGIN) ]
1333 )
1334 AC_ARG_ENABLE(pututline,
1335         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1336         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1337 )
1338 AC_ARG_ENABLE(pututxline,
1339         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1340         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1341 )
1342 AC_ARG_WITH(lastlog,
1343   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1344   [ conf_lastlog_location="$withval";  ],)
1345
1346 dnl lastlog, [uw]tmpx? detection
1347 dnl  NOTE: set the paths in the platform section to avoid the
1348 dnl   need for command-line parameters
1349 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1350
1351 dnl lastlog detection
1352 dnl  NOTE: the code itself will detect if lastlog is a directory
1353 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1354 AC_TRY_COMPILE([
1355 #include <sys/types.h>
1356 #include <utmp.h>
1357 #ifdef HAVE_LASTLOG_H
1358 #  include <lastlog.h>
1359 #endif
1360 #ifdef HAVE_PATHS_H
1361 #  include <paths.h>
1362 #endif
1363         ],
1364         [ char *lastlog = LASTLOG_FILE; ],
1365         [ AC_MSG_RESULT(yes) ],
1366         [
1367                 AC_MSG_RESULT(no)
1368                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1369                 AC_TRY_COMPILE([
1370 #include <sys/types.h>
1371 #include <utmp.h>
1372 #ifdef HAVE_LASTLOG_H
1373 #  include <lastlog.h>
1374 #endif
1375 #ifdef HAVE_PATHS_H
1376 #  include <paths.h>
1377 #endif
1378                 ],
1379                 [ char *lastlog = _PATH_LASTLOG; ],
1380                 [ AC_MSG_RESULT(yes) ],
1381                 [
1382                         AC_MSG_RESULT(no)
1383                         system_lastlog_path=no
1384                 ])
1385         ]
1386 )
1387
1388 if test -z "$conf_lastlog_location"; then
1389         if test x"$system_lastlog_path" = x"no" ; then
1390                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1391                                 if (test -d "$f" || test -f "$f") ; then
1392                                         conf_lastlog_location=$f
1393                                 fi
1394                 done
1395                 if test -z "$conf_lastlog_location"; then
1396                         AC_MSG_WARN([** Cannot find lastlog **])
1397                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1398                 fi
1399         fi
1400 fi
1401
1402 if test -n "$conf_lastlog_location"; then
1403         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1404 fi
1405
1406 dnl utmp detection
1407 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1408 AC_TRY_COMPILE([
1409 #include <sys/types.h>
1410 #include <utmp.h>
1411 #ifdef HAVE_PATHS_H
1412 #  include <paths.h>
1413 #endif
1414         ],
1415         [ char *utmp = UTMP_FILE; ],
1416         [ AC_MSG_RESULT(yes) ],
1417         [ AC_MSG_RESULT(no)
1418           system_utmp_path=no ]
1419 )
1420 if test -z "$conf_utmp_location"; then
1421         if test x"$system_utmp_path" = x"no" ; then
1422                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1423                         if test -f $f ; then
1424                                 conf_utmp_location=$f
1425                         fi
1426                 done
1427                 if test -z "$conf_utmp_location"; then
1428                         AC_DEFINE(DISABLE_UTMP)
1429                 fi
1430         fi
1431 fi
1432 if test -n "$conf_utmp_location"; then
1433         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1434 fi
1435
1436 dnl wtmp detection
1437 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1438 AC_TRY_COMPILE([
1439 #include <sys/types.h>
1440 #include <utmp.h>
1441 #ifdef HAVE_PATHS_H
1442 #  include <paths.h>
1443 #endif
1444         ],
1445         [ char *wtmp = WTMP_FILE; ],
1446         [ AC_MSG_RESULT(yes) ],
1447         [ AC_MSG_RESULT(no)
1448           system_wtmp_path=no ]
1449 )
1450 if test -z "$conf_wtmp_location"; then
1451         if test x"$system_wtmp_path" = x"no" ; then
1452                 for f in /usr/adm/wtmp /var/log/wtmp; do
1453                         if test -f $f ; then
1454                                 conf_wtmp_location=$f
1455                         fi
1456                 done
1457                 if test -z "$conf_wtmp_location"; then
1458                         AC_DEFINE(DISABLE_WTMP)
1459                 fi
1460         fi
1461 fi
1462 if test -n "$conf_wtmp_location"; then
1463         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1464 fi
1465
1466
1467 dnl utmpx detection - I don't know any system so perverse as to require
1468 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1469 dnl  there, though.
1470 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1471 AC_TRY_COMPILE([
1472 #include <sys/types.h>
1473 #include <utmp.h>
1474 #ifdef HAVE_UTMPX_H
1475 #include <utmpx.h>
1476 #endif
1477 #ifdef HAVE_PATHS_H
1478 #  include <paths.h>
1479 #endif
1480         ],
1481         [ char *utmpx = UTMPX_FILE; ],
1482         [ AC_MSG_RESULT(yes) ],
1483         [ AC_MSG_RESULT(no)
1484           system_utmpx_path=no ]
1485 )
1486 if test -z "$conf_utmpx_location"; then
1487         if test x"$system_utmpx_path" = x"no" ; then
1488                 AC_DEFINE(DISABLE_UTMPX)
1489         fi
1490 else
1491         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1492 fi
1493
1494 dnl wtmpx detection
1495 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1496 AC_TRY_COMPILE([
1497 #include <sys/types.h>
1498 #include <utmp.h>
1499 #ifdef HAVE_UTMPX_H
1500 #include <utmpx.h>
1501 #endif
1502 #ifdef HAVE_PATHS_H
1503 #  include <paths.h>
1504 #endif
1505         ],
1506         [ char *wtmpx = WTMPX_FILE; ],
1507         [ AC_MSG_RESULT(yes) ],
1508         [ AC_MSG_RESULT(no)
1509           system_wtmpx_path=no ]
1510 )
1511 if test -z "$conf_wtmpx_location"; then
1512         if test x"$system_wtmpx_path" = x"no" ; then
1513                 AC_DEFINE(DISABLE_WTMPX)
1514         fi
1515 else
1516         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1517 fi
1518
1519
1520 # Change default command timeout for builtin PRNG
1521 entropy_timeout=200
1522 AC_ARG_WITH(entropy-timeout,
1523         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1524         [
1525                 if test "x$withval" != "xno" ; then
1526                         entropy_timeout=$withval
1527                 fi
1528         ]
1529 )
1530 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1531
1532
1533 if test ! -z "$blibpath" ; then
1534         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1535         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1536 fi
1537
1538 AC_EXEEXT
1539
1540 AC_OUTPUT(Makefile ssh_prng_cmds)
1541
1542 # Print summary of options
1543
1544 if test x$MANTYPE = x'$(CATMAN)' ; then
1545         MAN_MSG=cat
1546 else
1547         MAN_MSG=man
1548 fi
1549 if test ! -z "$RANDOM_POOL" ; then
1550         RAND_MSG="Device ($RANDOM_POOL)"
1551 else
1552         if test ! -z "$EGD_SOCKET" ; then
1553                 RAND_MSG="EGD ($EGD_SOCKET)"
1554         else
1555                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1556                 BUILTIN_RNG=1
1557         fi
1558 fi
1559
1560 # Someone please show me a better way :)
1561 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1562 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1563 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1564 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1565 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1566 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1567 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1568
1569 echo ""
1570 echo "OpenSSH configured has been configured with the following options."
1571 echo "                 User binaries: $B"
1572 echo "                 User binaries: $B"
1573 echo "               System binaries: $C"
1574 echo "           Configuration files: $D"
1575 echo "               Askpass program: $E"
1576 echo "                  Manual pages: $F"
1577 echo "                      PID file: $G"
1578 echo "      Random number collection: $RAND_MSG"
1579 echo "                Manpage format: $MAN_MSG"
1580 echo "                   PAM support: ${PAM_MSG}"
1581 echo "            KerberosIV support: $KRB4_MSG"
1582 echo "                   AFS support: $AFS_MSG"
1583 echo "                 S/KEY support: $SKEY_MSG"
1584 echo "          TCP Wrappers support: $TCPW_MSG"
1585 echo "          MD5 password support: $MD5_MSG"
1586 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1587 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1588 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1589
1590 echo ""
1591
1592 echo "             Host: ${host}"
1593 echo "         Compiler: ${CC}"
1594 echo "   Compiler flags: ${CFLAGS}"
1595 echo "     Linker flags: ${LDFLAGS}"
1596 echo "        Libraries: ${LIBS}"
1597
1598 echo ""
1599
1600 if test ! -z "$BUILTIN_RNG" ; then
1601         echo "WARNING: you are using the builtin random number collection service."
1602         echo "Please read WARNING.RNG and request that your OS vendor includes"
1603         echo "/dev/random in future versions of their OS."
1604         echo ""
1605 fi