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="$CFLAGS -Wall"
  42 fi
  43
  44 CFLAGS="$CFLAGS -I. -I${srcdir-.}"
  45
  46 # Check for some target-specific stuff
  47 case "$host" in
  48 *-*-aix*)
  49         AFS_LIBS="-lld"
  50         CFLAGS="$CFLAGS -I/usr/local/include"
  51         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  52         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  53                 blibpath="/usr/lib:/lib:/usr/local/lib"
  54         fi
  55         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  56         AC_DEFINE(BROKEN_GETADDRINFO)
  57         MANTYPE='$(CATMAN)'
  58         mansubdir=cat
  59         dnl AIX handles lastlog as part of its login message
  60         AC_DEFINE(DISABLE_LASTLOG)
  61         MANTYPE='$(CATMAN)'
  62         mansubdir=cat
  63         ;;
  64 *-*-cygwin*)
  65         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  66         AC_DEFINE(HAVE_CYGWIN)
  67         AC_DEFINE(DISABLE_PAM)
  68         AC_DEFINE(DISABLE_SHADOW)
  69         AC_DEFINE(IPV4_DEFAULT)
  70         AC_DEFINE(IP_TOS_IS_BROKEN)
  71         AC_DEFINE(BROKEN_VHANGUP)
  72         no_pam=1
  73         no_libsocket=1
  74         no_libnsl=1
  75         ;;
  76 *-*-hpux10*)
  77         if test -z "$GCC"; then
  78                 CFLAGS="$CFLAGS -Ae"
  79         fi
  80         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  81         IPADDR_IN_DISPLAY=yes
  82         AC_DEFINE(USE_PIPES)
  83         AC_DEFINE(DISABLE_SHADOW)
  84         AC_DEFINE(DISABLE_UTMP)
  85         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  86         LIBS="$LIBS -lsec"
  87         MANTYPE='$(CATMAN)'
  88         mansubdir=cat
  89         ;;
  90 *-*-hpux11*)
  91         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  92         IPADDR_IN_DISPLAY=yes
  93         AC_DEFINE(USE_PIPES)
  94         AC_DEFINE(DISABLE_SHADOW)
  95         AC_DEFINE(DISABLE_UTMP)
  96         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  97         LIBS="$LIBS -lsec"
  98         MANTYPE='$(CATMAN)'
  99         mansubdir=cat
 100         ;;
 101 *-*-irix5*)
 102         CFLAGS="$CFLAGS -I/usr/local/include"
 103         LDFLAGS="$LDFLAGS"
 104         PATH="$PATH:/usr/etc"
 105         MANTYPE='$(CATMAN)'
 106         no_libsocket=1
 107         no_libnsl=1
 108         AC_DEFINE(BROKEN_INET_NTOA)
 109         ;;
 110 *-*-irix6*)
 111         CFLAGS="$CFLAGS -I/usr/local/include"
 112         LDFLAGS="$LDFLAGS"
 113         PATH="$PATH:/usr/etc"
 114         MANTYPE='$(CATMAN)'
 115         AC_DEFINE(WITH_IRIX_ARRAY)
 116         AC_DEFINE(WITH_IRIX_PROJECT)
 117         AC_DEFINE(WITH_IRIX_AUDIT)
 118         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 119         no_libsocket=1
 120         no_libnsl=1
 121         AC_DEFINE(BROKEN_INET_NTOA)
 122         ;;
 123 *-*-linux*)
 124         no_dev_ptmx=1
 125         AC_DEFINE(DONT_TRY_OTHER_AF)
 126         AC_DEFINE(PAM_TTY_KLUDGE)
 127         inet6_default_4in6=yes
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first ***])
 134         )
 135         ;;
 136 *-*-netbsd*)
 137         need_dash_r=1
 138         ;;
 139 *-next-*)
 140         conf_lastlog_location="/usr/adm/lastlog"
 141         conf_utmp_location=/etc/utmp
 142         conf_wtmp_location=/usr/adm/wtmp
 143         MAIL=/usr/spool/mail
 144         AC_DEFINE(HAVE_NEXT)
 145         AC_DEFINE(BROKEN_REALPATH)
 146         AC_DEFINE(USE_PIPES)
 147         CFLAGS="$CFLAGS -I/usr/local/include"
 148         ;;
 149 *-*-solaris*)
 150         CFLAGS="$CFLAGS -I/usr/local/include"
 151         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 152         need_dash_r=1
 153         # hardwire lastlog location (can't detect it on some versions)
 154         conf_lastlog_location="/var/adm/lastlog"
 155         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 156         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 157         if test "$sol2ver" -ge 8; then
 158                 AC_MSG_RESULT(yes)
 159                 AC_DEFINE(DISABLE_UTMP)
 160                 AC_DEFINE(DISABLE_WTMP)
 161         else
 162                 AC_MSG_RESULT(no)
 163         fi
 164         ;;
 165 *-*-sunos4*)
 166         CFLAGS="$CFLAGS -DSUNOS4"
 167         AC_CHECK_FUNCS(getpwanam)
 168         conf_utmp_location=/etc/utmp
 169         conf_wtmp_location=/var/adm/wtmp
 170         conf_lastlog_location=/var/adm/lastlog
 171         AC_DEFINE(USE_PIPES)
 172         MANTYPE='$(CATMAN)'
 173         mansubdir=cat
 174         ;;
 175 *-sni-sysv*)
 176         CFLAGS="$CFLAGS -I/usr/local/include"
 177         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 178         MANTYPE='$(CATMAN)'
 179         AC_DEFINE(IP_TOS_IS_BROKEN)
 180         mansubdir=cat
 181         LIBS="$LIBS -lgen -lnsl -lucb"
 182         ;;
 183 *-*-sysv4.2*)
 184         CFLAGS="$CFLAGS -I/usr/local/include"
 185         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 186         MANTYPE='$(CATMAN)'
 187         mansubdir=cat
 188         LIBS="$LIBS -lgen -lsocket -lnsl -lresolv"
 189         enable_suid_ssh=no
 190         ;;
 191 *-*-sysv5*)
 192         CFLAGS="$CFLAGS -I/usr/local/include"
 193         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 194         MANTYPE='$(CATMAN)'
 195         mansubdir=cat
 196         LIBS="$LIBS -lgen -lsocket"
 197         enable_suid_ssh=no
 198         ;;
 199 *-*-sysv*)
 200         CFLAGS="$CFLAGS -I/usr/local/include"
 201         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 202         MANTYPE='$(CATMAN)'
 203         mansubdir=cat
 204         LIBS="$LIBS -lgen -lsocket"
 205         ;;
 206 *-*-sco3.2v4*)
 207         AC_DEFINE(USE_PIPES)
 208         CFLAGS="$CFLAGS -Dftruncate=chsize -I/usr/local/include"
 209         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 210         MANTYPE='$(CATMAN)'
 211         mansubdir=cat
 212         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 213         no_dev_ptmx=1
 214         RANLIB=true
 215         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 216         rsh_path="/usr/bin/rcmd"
 217         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 218         AC_DEFINE(DISABLE_SHADOW)
 219         ;;
 220 *-*-sco3.2v5*)
 221         CFLAGS="$CFLAGS -I/usr/local/include"
 222         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 223         MANTYPE='$(CATMAN)'
 224         mansubdir=cat
 225         LIBS="$LIBS -lgen -lsocket -lprot -lx -ltinfo -lm"
 226         no_dev_ptmx=1
 227         rsh_path="/usr/bin/rcmd"
 228         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 229         AC_DEFINE(DISABLE_SHADOW)
 230         ;;
 231 *-dec-osf*)
 232 # This is untested
 233         if test ! -z "USE_SIA" ; then
 234                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 235                 if test -f /etc/sia/matrix.conf; then
 236                         AC_MSG_RESULT(yes)
 237                         AC_DEFINE(HAVE_OSF_SIA)
 238                         AC_DEFINE(DISABLE_LOGIN)
 239                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 240                 else
 241                         AC_MSG_RESULT(no)
 242                 fi
 243         fi
 244         ;;
 245 esac
 246
 247 # Allow user to specify flags
 248 AC_ARG_WITH(cflags,
 249         [  --with-cflags           Specify additional flags to pass to compiler],
 250         [
 251                 if test "x$withval" != "xno" ; then
 252                         CFLAGS="$CFLAGS $withval"
 253                 fi
 254         ]
 255 )
 256 AC_ARG_WITH(ldflags,
 257         [  --with-ldflags          Specify additional flags to pass to linker],
 258         [
 259                 if test "x$withval" != "xno" ; then
 260                         LDFLAGS="$LDFLAGS $withval"
 261                 fi
 262         ]
 263 )
 264 AC_ARG_WITH(libs,
 265         [  --with-libs             Specify additional libraries to link with],
 266         [
 267                 if test "x$withval" != "xno" ; then
 268                         LIBS="$LIBS $withval"
 269                 fi
 270         ]
 271 )
 272
 273
 274 # Checks for libraries.
 275 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 276 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 277
 278 AC_CHECK_FUNC(regcomp,
 279         [],
 280         [
 281                 AC_CHECK_LIB(pcre, pcre_info,
 282                         AC_DEFINE(HAVE_LIBPCRE) LIBS="$LIBS -lpcreposix -lpcre")
 283         ]
 284 )
 285
 286 if test -z "$no_libsocket" ; then
 287         AC_CHECK_LIB(nsl, yp_match, , )
 288 fi
 289 if test -z "$no_libnsl" ; then
 290         AC_CHECK_LIB(socket, main, , )
 291 fi
 292
 293 # Checks for header files.
 294 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utmp.h utmpx.h vis.h)
 295
 296 dnl    Checks for library functions.
 297 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getnameinfo getrusage getttyent inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setenv seteuid setlogin setproctitle setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strsep strtok_r vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 298 dnl    Checks for time functions
 299 AC_CHECK_FUNCS(gettimeofday time)
 300 dnl    Checks for libutil functions
 301 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 302 dnl    Checks for utmp functions
 303 AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
 304 AC_CHECK_FUNCS(utmpname)
 305 dnl    Checks for utmpx functions
 306 AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
 307 AC_CHECK_FUNCS(setutxent utmpxname)
 308
 309 AC_CHECK_FUNC(getuserattr,
 310         [AC_DEFINE(HAVE_GETUSERATTR)],
 311         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 312 )
 313
 314 AC_CHECK_FUNC(login,
 315         [AC_DEFINE(HAVE_LOGIN)],
 316         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 317 )
 318
 319 AC_CHECK_FUNC(daemon,
 320         [AC_DEFINE(HAVE_DAEMON)],
 321         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 322 )
 323
 324 AC_CHECK_FUNC(getpagesize,
 325         [AC_DEFINE(HAVE_GETPAGESIZE)],
 326         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 327 )
 328
 329 # Check for broken snprintf
 330 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 331         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 332         AC_TRY_RUN(
 333                 [
 334 #include <stdio.h>
 335 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 336                 ],
 337                 [AC_MSG_RESULT(yes)],
 338                 [
 339                         AC_MSG_RESULT(no)
 340                         AC_DEFINE(BROKEN_SNPRINTF)
 341                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 342                 ]
 343         )
 344 fi
 345
 346 AC_FUNC_GETPGRP
 347
 348 PAM_MSG="no"
 349 AC_ARG_WITH(pam,
 350         [  --without-pam           Disable PAM support ],
 351         [
 352                 if test "x$withval" = "xno" ; then
 353                         no_pam=1
 354                         AC_DEFINE(DISABLE_PAM)
 355                         PAM_MSG="disabled"
 356                 fi
 357         ]
 358 )
 359 if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 360         AC_CHECK_LIB(dl, dlopen, , )
 361         LIBS="$LIBS -lpam"
 362
 363         AC_CHECK_FUNCS(pam_getenvlist)
 364
 365         disable_shadow=yes
 366
 367         PAM_MSG="yes"
 368
 369         # Check PAM strerror arguments (old PAM)
 370         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 371         AC_TRY_COMPILE(
 372                 [
 373 #include <stdlib.h>
 374 #include <security/pam_appl.h>
 375                 ],
 376                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 377                 [AC_MSG_RESULT(no)],
 378                 [
 379                         AC_DEFINE(HAVE_OLD_PAM)
 380                         AC_MSG_RESULT(yes)
 381                         PAM_MSG="yes (old library)"
 382                 ]
 383         )
 384 fi
 385
 386 # The big search for OpenSSL
 387 AC_ARG_WITH(ssl-dir,
 388         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 389         [
 390                 if test "x$withval" != "xno" ; then
 391                         tryssldir=$withval
 392                 fi
 393         ]
 394 )
 395
 396 saved_LIBS="$LIBS"
 397 saved_LDFLAGS="$LDFLAGS"
 398 saved_CFLAGS="$CFLAGS"
 399 if test "x$prefix" != "xNONE" ; then
 400         tryssldir="$tryssldir $prefix"
 401 fi
 402 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 403
 404         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 405                 if test ! -z "$ssldir" ; then
 406                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 407                         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 408                         if test ! -z "$need_dash_r" ; then
 409                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 410                         fi
 411                 else
 412                         LDFLAGS="$saved_LDFLAGS"
 413                 fi
 414
 415                 LIBS="$saved_LIBS -lcrypto"
 416
 417                 # Basic test to check for compatible version and correct linking
 418                 # *does not* test for RSA - that comes later.
 419                 AC_TRY_RUN(
 420                         [
 421 #include <string.h>
 422 #include <openssl/rand.h>
 423 int main(void)
 424 {
 425         char a[2048];
 426         memset(a, 0, sizeof(a));
 427         RAND_add(a, sizeof(a), sizeof(a));
 428         return(RAND_status() <= 0);
 429 }
 430                         ],
 431                         [
 432                                 found_crypto=1
 433                                 break;
 434                         ], []
 435                 )
 436
 437                 if test ! -z "$found_crypto" ; then
 438                         break;
 439                 fi
 440         done
 441
 442         if test -z "$found_crypto" ; then
 443                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 444         fi
 445         if test -z "$ssldir" ; then
 446                 ssldir="(system)"
 447         fi
 448
 449         ac_cv_openssldir=$ssldir
 450 ])
 451
 452 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 453         AC_DEFINE(HAVE_OPENSSL)
 454         dnl Need to recover ssldir - test above runs in subshell
 455         ssldir=$ac_cv_openssldir
 456         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 457         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 458         if test ! -z "$need_dash_r" ; then
 459                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 460         fi
 461         if test ! -z "$blibpath" ; then
 462                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 463         fi
 464 fi
 465 LIBS="$saved_LIBS -lcrypto"
 466
 467 # Now test RSA support
 468 saved_LIBS="$LIBS"
 469 AC_MSG_CHECKING([for RSA support])
 470 for WANTS_RSAREF in "" 1 ; do
 471         if test -z "$WANTS_RSAREF" ; then
 472                 LIBS="$saved_LIBS"
 473         else
 474                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 475         fi
 476         AC_TRY_RUN([
 477 #include <string.h>
 478 #include <openssl/rand.h>
 479 #include <openssl/rsa.h>
 480 #include <openssl/bn.h>
 481 #include <openssl/sha.h>
 482 int main(void)
 483 {
 484         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 485         unsigned char c[256], p[256];
 486         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 487         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 488         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 489         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 490 }
 491         ],
 492         [
 493                 rsa_works=1
 494                 break;
 495         ], [])
 496 done
 497
 498 if test ! -z "$no_rsa" ; then
 499         AC_MSG_RESULT(disabled)
 500         RSA_MSG="disabled"
 501 else
 502         if test -z "$rsa_works" ; then
 503                 AC_MSG_WARN([*** No RSA support found *** ])
 504                 RSA_MSG="no"
 505         else
 506                 if test -z "$WANTS_RSAREF" ; then
 507                         AC_MSG_RESULT(yes)
 508                         RSA_MSG="yes"
 509                 else
 510                         RSA_MSG="yes (using RSAref)"
 511                         AC_MSG_RESULT(using RSAref)
 512                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 513                 fi
 514         fi
 515 fi
 516
 517 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 518 if test ! -z "$SONY" ; then
 519   LIBS="$LIBS -liberty";
 520 fi
 521
 522 # Checks for data types
 523 AC_CHECK_SIZEOF(char, 1)
 524 AC_CHECK_SIZEOF(short int, 2)
 525 AC_CHECK_SIZEOF(int, 4)
 526 AC_CHECK_SIZEOF(long int, 4)
 527 AC_CHECK_SIZEOF(long long int, 8)
 528
 529 # More checks for data types
 530 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 531         AC_TRY_COMPILE(
 532                 [ #include <sys/types.h> ],
 533                 [ u_int a; a = 1;],
 534                 [ ac_cv_have_u_int="yes" ],
 535                 [ ac_cv_have_u_int="no" ]
 536         )
 537 ])
 538 if test "x$ac_cv_have_u_int" = "xyes" ; then
 539         AC_DEFINE(HAVE_U_INT)
 540         have_u_int=1
 541 fi
 542
 543 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 544         AC_TRY_COMPILE(
 545                 [ #include <sys/types.h> ],
 546                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 547                 [ ac_cv_have_intxx_t="yes" ],
 548                 [ ac_cv_have_intxx_t="no" ]
 549         )
 550 ])
 551 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 552         AC_DEFINE(HAVE_INTXX_T)
 553         have_intxx_t=1
 554 fi
 555
 556 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 557         AC_TRY_COMPILE(
 558                 [ #include <sys/types.h> ],
 559                 [ int64_t a; a = 1;],
 560                 [ ac_cv_have_int64_t="yes" ],
 561                 [ ac_cv_have_int64_t="no" ]
 562         )
 563 ])
 564 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 565         AC_DEFINE(HAVE_INT64_T)
 566         have_int64_t=1
 567 fi
 568
 569 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 570         AC_TRY_COMPILE(
 571                 [ #include <sys/types.h> ],
 572                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 573                 [ ac_cv_have_u_intxx_t="yes" ],
 574                 [ ac_cv_have_u_intxx_t="no" ]
 575         )
 576 ])
 577 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 578         AC_DEFINE(HAVE_U_INTXX_T)
 579         have_u_intxx_t=1
 580 fi
 581
 582 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 583         AC_TRY_COMPILE(
 584                 [ #include <sys/types.h> ],
 585                 [ u_int64_t a; a = 1;],
 586                 [ ac_cv_have_u_int64_t="yes" ],
 587                 [ ac_cv_have_u_int64_t="no" ]
 588         )
 589 ])
 590 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 591         AC_DEFINE(HAVE_U_INT64_T)
 592         have_u_int64_t=1
 593 fi
 594
 595 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 596            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 597 then
 598         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 599         AC_TRY_COMPILE(
 600                 [
 601 #include <sys/bitypes.h>
 602                 ],
 603                 [
 604                         int8_t a; int16_t b; int32_t c;
 605                         u_int8_t e; u_int16_t f; u_int32_t g;
 606                         a = b = c = e = f = g = 1;
 607                 ],
 608                 [
 609                         AC_DEFINE(HAVE_U_INTXX_T)
 610                         AC_DEFINE(HAVE_INTXX_T)
 611                         AC_MSG_RESULT(yes)
 612                 ],
 613                 [AC_MSG_RESULT(no)]
 614         )
 615 fi
 616
 617 if test -z "$have_u_intxx_t" ; then
 618         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 619                 AC_TRY_COMPILE(
 620                         [
 621 #include <sys/types.h>
 622                         ],
 623                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 624                         [ ac_cv_have_uintxx_t="yes" ],
 625                         [ ac_cv_have_uintxx_t="no" ]
 626                 )
 627         ])
 628         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 629                 AC_DEFINE(HAVE_UINTXX_T)
 630         fi
 631 fi
 632
 633 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 634         AC_TRY_COMPILE(
 635                 [
 636 #include <sys/types.h>
 637 #include <sys/socket.h>
 638                 ],
 639                 [socklen_t foo; foo = 1235;],
 640                 [ ac_cv_have_socklen_t="yes" ],
 641                 [ ac_cv_have_socklen_t="no" ]
 642         )
 643 ])
 644 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 645         AC_DEFINE(HAVE_SOCKLEN_T)
 646 fi
 647
 648 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 649         AC_TRY_COMPILE(
 650                 [
 651 #include <sys/types.h>
 652                 ],
 653                 [ size_t foo; foo = 1235; ],
 654                 [ ac_cv_have_size_t="yes" ],
 655                 [ ac_cv_have_size_t="no" ]
 656         )
 657 ])
 658 if test "x$ac_cv_have_size_t" = "xyes" ; then
 659         AC_DEFINE(HAVE_SIZE_T)
 660 fi
 661
 662 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 663         AC_TRY_COMPILE(
 664                 [
 665 #include <sys/types.h>
 666                 ],
 667                 [ ssize_t foo; foo = 1235; ],
 668                 [ ac_cv_have_ssize_t="yes" ],
 669                 [ ac_cv_have_ssize_t="no" ]
 670         )
 671 ])
 672 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 673         AC_DEFINE(HAVE_SSIZE_T)
 674 fi
 675
 676 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 677         AC_TRY_COMPILE(
 678                 [
 679 #include <sys/types.h>
 680 #include <sys/socket.h>
 681                 ],
 682                 [ sa_family_t foo; foo = 1235; ],
 683                 [ ac_cv_have_sa_family_t="yes" ],
 684                 [ AC_TRY_COMPILE(
 685                   [
 686 #include <sys/types.h>
 687 #include <sys/socket.h>
 688 #include <netinet/in.h>
 689                 ],
 690                 [ sa_family_t foo; foo = 1235; ],
 691                 [ ac_cv_have_sa_family_t="yes" ],
 692
 693                 [ ac_cv_have_sa_family_t="no" ]
 694         )]
 695         )
 696 ])
 697 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 698         AC_DEFINE(HAVE_SA_FAMILY_T)
 699 fi
 700
 701 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 702         AC_TRY_COMPILE(
 703                 [
 704 #include <sys/types.h>
 705                 ],
 706                 [ pid_t foo; foo = 1235; ],
 707                 [ ac_cv_have_pid_t="yes" ],
 708                 [ ac_cv_have_pid_t="no" ]
 709         )
 710 ])
 711 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 712         AC_DEFINE(HAVE_PID_T)
 713 fi
 714
 715 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 716         AC_TRY_COMPILE(
 717                 [
 718 #include <sys/types.h>
 719                 ],
 720                 [ mode_t foo; foo = 1235; ],
 721                 [ ac_cv_have_mode_t="yes" ],
 722                 [ ac_cv_have_mode_t="no" ]
 723         )
 724 ])
 725 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 726         AC_DEFINE(HAVE_MODE_T)
 727 fi
 728
 729
 730 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 731         AC_TRY_COMPILE(
 732                 [
 733 #include <sys/types.h>
 734 #include <sys/socket.h>
 735                 ],
 736                 [ struct sockaddr_storage s; ],
 737                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 738                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 739         )
 740 ])
 741 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 742         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 743 fi
 744
 745 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 746         AC_TRY_COMPILE(
 747                 [
 748 #include <sys/types.h>
 749 #include <netinet/in.h>
 750                 ],
 751                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 752                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 753                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 754         )
 755 ])
 756 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 757         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 758 fi
 759
 760 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 761         AC_TRY_COMPILE(
 762                 [
 763 #include <sys/types.h>
 764 #include <netinet/in.h>
 765                 ],
 766                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 767                 [ ac_cv_have_struct_in6_addr="yes" ],
 768                 [ ac_cv_have_struct_in6_addr="no" ]
 769         )
 770 ])
 771 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 772         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 773 fi
 774
 775 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 776         AC_TRY_COMPILE(
 777                 [
 778 #include <sys/types.h>
 779 #include <sys/socket.h>
 780 #include <netdb.h>
 781                 ],
 782                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 783                 [ ac_cv_have_struct_addrinfo="yes" ],
 784                 [ ac_cv_have_struct_addrinfo="no" ]
 785         )
 786 ])
 787 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 788         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 789 fi
 790
 791 dnl Checks for structure members
 792 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 793 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 794 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 795 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 796 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 797 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 798 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 799 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 800 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 801 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 802 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 803 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 804 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 805 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 806 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 807 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 808 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 809 AC_STRUCT_ST_BLKSIZE
 810
 811 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 812                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 813         AC_TRY_COMPILE(
 814                 [
 815 #include <sys/types.h>
 816 #include <sys/socket.h>
 817                 ],
 818                 [ struct sockaddr_un s; s.sun_len = 1; ],
 819                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 820                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 821         )
 822 ])
 823 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 824         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 825 fi
 826
 827 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 828                 ac_cv_have_ss_family_in_struct_ss, [
 829         AC_TRY_COMPILE(
 830                 [
 831 #include <sys/types.h>
 832 #include <sys/socket.h>
 833                 ],
 834                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 835                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 836                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 837         )
 838 ])
 839 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 840         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 841 fi
 842
 843 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 844                 ac_cv_have___ss_family_in_struct_ss, [
 845         AC_TRY_COMPILE(
 846                 [
 847 #include <sys/types.h>
 848 #include <sys/socket.h>
 849                 ],
 850                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 851                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 852                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 853         )
 854 ])
 855 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 856         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 857 fi
 858
 859 AC_CACHE_CHECK([for pw_class field in struct passwd],
 860                 ac_cv_have_pw_class_in_struct_passwd, [
 861         AC_TRY_COMPILE(
 862                 [
 863 #include <pwd.h>
 864                 ],
 865                 [ struct passwd p; p.pw_class = 0; ],
 866                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
 867                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
 868         )
 869 ])
 870 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
 871         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
 872 fi
 873
 874
 875 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 876         AC_TRY_LINK([],
 877                 [ extern char *__progname; printf("%s", __progname); ],
 878                 [ ac_cv_libc_defines___progname="yes" ],
 879                 [ ac_cv_libc_defines___progname="no" ]
 880         )
 881 ])
 882 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 883         AC_DEFINE(HAVE___PROGNAME)
 884 fi
 885
 886
 887 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 888         AC_TRY_LINK([],
 889                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 890                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 891                 [ ac_cv_libc_defines_sys_errlist="no" ]
 892         )
 893 ])
 894 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 895         AC_DEFINE(HAVE_SYS_ERRLIST)
 896 fi
 897
 898
 899 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 900         AC_TRY_LINK([],
 901                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 902                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 903                 [ ac_cv_libc_defines_sys_nerr="no" ]
 904         )
 905 ])
 906 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 907         AC_DEFINE(HAVE_SYS_NERR)
 908 fi
 909
 910
 911 # Looking for programs, paths and files
 912 AC_ARG_WITH(rsh,
 913         [  --with-rsh=PATH         Specify path to remote shell program ],
 914         [
 915                 if test "x$withval" != "$no" ; then
 916                         rsh_path=$withval
 917                 fi
 918         ],
 919         [
 920                 AC_PATH_PROG(rsh_path, rsh)
 921         ]
 922 )
 923
 924 AC_ARG_WITH(xauth,
 925         [  --with-xauth=PATH       Specify path to xauth program ],
 926         [
 927                 if test "x$withval" != "xno" ; then
 928                         xauth_path=$withval
 929                 fi
 930         ],
 931         [
 932                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
 933                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 934                         xauth_path="/usr/openwin/bin/xauth"
 935                 fi
 936         ]
 937 )
 938
 939 if test ! -z "$xauth_path" ; then
 940         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 941 fi
 942 if test ! -z "$rsh_path" ; then
 943         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 944 fi
 945
 946 # Check for mail directory (last resort if we cannot get it from headers)
 947 if test ! -z "$MAIL" ; then
 948         maildir=`dirname $MAIL`
 949         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 950 fi
 951
 952 if test -z "$no_dev_ptmx" ; then
 953         AC_CHECK_FILE("/dev/ptmx",
 954                 [
 955                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 956                         have_dev_ptmx=1
 957                 ]
 958         )
 959 fi
 960 AC_CHECK_FILE("/dev/ptc",
 961         [
 962                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 963                 have_dev_ptc=1
 964         ]
 965 )
 966
 967 # Options from here on. Some of these are preset by platform above
 968
 969 # Check for user-specified random device, otherwise check /dev/urandom
 970 AC_ARG_WITH(random,
 971         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 972         [
 973                 if test "x$withval" != "xno" ; then
 974                         RANDOM_POOL="$withval";
 975                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 976                 fi
 977         ],
 978         [
 979                 # Check for random device
 980                 AC_CHECK_FILE("/dev/urandom",
 981                         [
 982                                 RANDOM_POOL="/dev/urandom";
 983                                 AC_SUBST(RANDOM_POOL)
 984                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 985                         ]
 986                 )
 987         ]
 988 )
 989
 990 # Check for EGD pool file
 991 AC_ARG_WITH(egd-pool,
 992         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 993         [
 994                 if test "x$withval" != "xno" ; then
 995                         EGD_SOCKET="$withval";
 996                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 997                 fi
 998         ]
 999 )
1000
1001 # detect pathnames for entropy gathering commands, if we need them
1002 INSTALL_SSH_PRNG_CMDS=""
1003 rm -f prng_commands
1004 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1005         # Use these commands to collect entropy
1006         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1007         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1008         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1009         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1010         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1011         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1012         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1013         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1014         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1015         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1016         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1017         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1018         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1019         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1020         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1021
1022         INSTALL_SSH_PRNG_CMDS="yes"
1023 fi
1024 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1025
1026
1027 AC_ARG_WITH(catman,
1028         [  --with-catman=man|cat   Install preformatted manpages[no]],
1029         [
1030                 MANTYPE='$(CATMAN)'
1031                 if test x"$withval" != x"yes" ; then
1032                    mansubdir=$withval
1033                 else
1034                    mansubdir=cat
1035                 fi
1036         ], [
1037                 if test -z "$MANTYPE" ; then
1038                         MANTYPE='$(TROFFMAN)'
1039                         mansubdir=man
1040                 fi
1041         ]
1042 )
1043 AC_SUBST(MANTYPE)
1044 AC_SUBST(mansubdir)
1045
1046 # Check whether user wants Kerberos support
1047 KRB4_MSG="no"
1048 AC_ARG_WITH(kerberos4,
1049         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1050         [
1051                 if test "x$withval" != "xno" ; then
1052
1053                         if test "x$withval" != "xyes" ; then
1054                                 CFLAGS="$CFLAGS -I${withval}/include"
1055                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1056                                 if test ! -z "$need_dash_r" ; then
1057                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1058                                 fi
1059                                 if test ! -z "$blibpath" ; then
1060                                         blibpath="$blibpath:${withval}/lib"
1061                                 fi
1062                         else
1063                                 if test -d /usr/include/kerberosIV ; then
1064                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
1065                                 fi
1066                         fi
1067
1068                         AC_CHECK_HEADERS(krb.h)
1069                         AC_CHECK_LIB(krb, main)
1070                         if test "$ac_cv_header_krb_h" != yes; then
1071                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1072                         fi
1073                         if test "$ac_cv_lib_krb_main" != yes; then
1074                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
1075                         fi
1076
1077                         KLIBS="-lkrb -ldes"
1078                         AC_CHECK_LIB(resolv, dn_expand, , )
1079                         KRB4=yes
1080                         KRB4_MSG="yes"
1081                         AC_DEFINE(KRB4)
1082                 fi
1083         ]
1084 )
1085
1086 # Check whether user wants AFS support
1087 AFS_MSG="no"
1088 AC_ARG_WITH(afs,
1089         [  --with-afs=PATH         Enable AFS support],
1090         [
1091                 if test "x$withval" != "xno" ; then
1092
1093                         if test "x$withval" != "xyes" ; then
1094                                 CFLAGS="$CFLAGS -I${withval}/include"
1095                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1096                         fi
1097
1098                         if test -z "$KRB4" ; then
1099                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1100                         fi
1101
1102                         LIBS="$LIBS -lkafs"
1103                         if test ! -z "$AFS_LIBS" ; then
1104                                 LIBS="$LIBS $AFS_LIBS"
1105                         fi
1106                         AC_DEFINE(AFS)
1107                         AFS_MSG="yes"
1108                 fi
1109         ]
1110 )
1111 LIBS="$LIBS $KLIBS"
1112
1113 # Check whether user wants S/Key support
1114 SKEY_MSG="no"
1115 AC_ARG_WITH(skey,
1116         [  --with-skey=PATH         Enable S/Key support],
1117         [
1118                 if test "x$withval" != "xno" ; then
1119
1120                         if test "x$withval" != "xyes" ; then
1121                                 CFLAGS="$CFLAGS -I${withval}/include"
1122                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1123                         fi
1124
1125                         AC_DEFINE(SKEY)
1126                         LIBS="$LIBS -lskey"
1127                         SKEY_MSG="yes"
1128
1129                         AC_CHECK_FUNC(skey_keyinfo,
1130                                 [],
1131                                 [
1132                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1133                                 ])
1134                 fi
1135         ]
1136 )
1137
1138 # Check whether user wants TCP wrappers support
1139 TCPW_MSG="no"
1140 AC_ARG_WITH(tcp-wrappers,
1141         [  --with-tcp-wrappers     Enable tcpwrappers support],
1142         [
1143                 if test "x$withval" != "xno" ; then
1144                         saved_LIBS="$LIBS"
1145                         LIBS="$LIBS -lwrap"
1146                         AC_MSG_CHECKING(for libwrap)
1147                         AC_TRY_LINK(
1148                                 [
1149 #include <tcpd.h>
1150                                         int deny_severity = 0, allow_severity = 0;
1151                                 ],
1152                                 [hosts_access(0);],
1153                                 [
1154                                         AC_MSG_RESULT(yes)
1155                                         AC_DEFINE(LIBWRAP)
1156                                         TCPW_MSG="yes"
1157                                 ],
1158                                 [
1159                                         AC_MSG_ERROR([*** libwrap missing])
1160                                 ]
1161                         )
1162                 fi
1163         ]
1164 )
1165
1166 # Check whether to enable MD5 passwords
1167 MD5_MSG="no"
1168 AC_ARG_WITH(md5-passwords,
1169         [  --with-md5-passwords    Enable use of MD5 passwords],
1170         [
1171                 if test "x$withval" != "xno" ; then
1172                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1173                         MD5_MSG="yes"
1174                 fi
1175         ]
1176 )
1177
1178 # Whether to disable shadow password support
1179 AC_ARG_WITH(shadow,
1180         [  --without-shadow        Disable shadow password support],
1181         [
1182                 if test "x$withval" = "xno" ; then
1183                         AC_DEFINE(DISABLE_SHADOW)
1184                         disable_shadow=yes
1185                 fi
1186         ]
1187 )
1188
1189 if test -z "$disable_shadow" ; then
1190         AC_MSG_CHECKING([if the systems has expire shadow information])
1191         AC_TRY_COMPILE(
1192         [
1193 #include <sys/types.h>
1194 #include <shadow.h>
1195         struct spwd sp;
1196         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1197         [ sp_expire_available=yes ], []
1198         )
1199
1200         if test "x$sp_expire_available" = "xyes" ; then
1201                 AC_MSG_RESULT(yes)
1202                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1203         else
1204                 AC_MSG_RESULT(no)
1205         fi
1206 fi
1207
1208 # Use ip address instead of hostname in $DISPLAY
1209 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1210         DISPLAY_HACK_MSG="yes"
1211         AC_DEFINE(IPADDR_IN_DISPLAY)
1212 else
1213         DISPLAY_HACK_MSG="no"
1214         AC_ARG_WITH(ipaddr-display,
1215                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1216                 [
1217                         if test "x$withval" != "xno" ; then
1218                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1219                                 DISPLAY_HACK_MSG="yes"
1220                         fi
1221                 ]
1222         )
1223 fi
1224
1225 # Whether to mess with the default path
1226 SERVER_PATH_MSG="(default)"
1227 AC_ARG_WITH(default-path,
1228         [  --with-default-path=PATH Specify default \$PATH environment for server],
1229         [
1230                 if test "x$withval" != "xno" ; then
1231                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1232                         SERVER_PATH_MSG="$withval"
1233                 fi
1234         ]
1235 )
1236
1237 # Whether to force IPv4 by default (needed on broken glibc Linux)
1238 IPV4_HACK_MSG="no"
1239 AC_ARG_WITH(ipv4-default,
1240         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1241         [
1242                 if test "x$withval" != "xno" ; then
1243                         AC_DEFINE(IPV4_DEFAULT)
1244                         IPV4_HACK_MSG="yes"
1245                 fi
1246         ]
1247 )
1248
1249 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1250 IPV4_IN6_HACK_MSG="no"
1251 AC_ARG_WITH(4in6,
1252         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1253         [
1254                 if test "x$withval" != "xno" ; then
1255                         AC_MSG_RESULT(yes)
1256                         AC_DEFINE(IPV4_IN_IPV6)
1257                         IPV4_IN6_HACK_MSG="yes"
1258                 else
1259                         AC_MSG_RESULT(no)
1260                 fi
1261         ],[
1262                 if test "x$inet6_default_4in6" = "xyes"; then
1263                         AC_MSG_RESULT([yes (default)])
1264                         AC_DEFINE(IPV4_IN_IPV6)
1265                         IPV4_IN6_HACK_MSG="yes"
1266                 else
1267                         AC_MSG_RESULT([no (default)])
1268                 fi
1269         ]
1270 )
1271
1272 AC_MSG_CHECKING(whether to install ssh as suid root)
1273 AC_ARG_ENABLE(suid-ssh,
1274 [  --enable-suid-ssh       Install ssh as suid root (default)
1275   --disable-suid-ssh      Install ssh without suid bit],
1276 [ case "$enableval" in
1277   no)
1278        AC_MSG_RESULT(no)
1279        SSHMODE=0711
1280        ;;
1281   *)   AC_MSG_RESULT(yes)
1282        SSHMODE=04711
1283        ;;
1284   esac ],
1285   AC_MSG_RESULT(yes)
1286   SSHMODE=04711
1287 )
1288 AC_SUBST(SSHMODE)
1289
1290
1291 # Where to place sshd.pid
1292 piddir=/var/run
1293 AC_ARG_WITH(pid-dir,
1294         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1295         [
1296                 if test "x$withval" != "xno" ; then
1297                         piddir=$withval
1298                 fi
1299         ]
1300 )
1301
1302 # make sure the directory exists
1303 if test ! -d $piddir ; then
1304         piddir=`eval echo ${sysconfdir}`
1305         case $piddir in
1306                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1307         esac
1308 fi
1309
1310 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1311 AC_SUBST(piddir)
1312
1313 dnl allow user to disable some login recording features
1314 AC_ARG_ENABLE(lastlog,
1315         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1316         [ AC_DEFINE(DISABLE_LASTLOG) ]
1317 )
1318 AC_ARG_ENABLE(utmp,
1319         [  --disable-utmp          disable use of utmp even if detected [no]],
1320         [ AC_DEFINE(DISABLE_UTMP) ]
1321 )
1322 AC_ARG_ENABLE(utmpx,
1323         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1324         [ AC_DEFINE(DISABLE_UTMPX) ]
1325 )
1326 AC_ARG_ENABLE(wtmp,
1327         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1328         [ AC_DEFINE(DISABLE_WTMP) ]
1329 )
1330 AC_ARG_ENABLE(wtmpx,
1331         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1332         [ AC_DEFINE(DISABLE_WTMPX) ]
1333 )
1334 AC_ARG_ENABLE(libutil,
1335         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1336         [ AC_DEFINE(DISABLE_LOGIN) ]
1337 )
1338 AC_ARG_ENABLE(pututline,
1339         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1340         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1341 )
1342 AC_ARG_ENABLE(pututxline,
1343         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1344         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1345 )
1346 AC_ARG_WITH(lastlog,
1347   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1348   [ conf_lastlog_location="$withval";  ],)
1349
1350 dnl lastlog, [uw]tmpx? detection
1351 dnl  NOTE: set the paths in the platform section to avoid the
1352 dnl   need for command-line parameters
1353 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1354
1355 dnl lastlog detection
1356 dnl  NOTE: the code itself will detect if lastlog is a directory
1357 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1358 AC_TRY_COMPILE([
1359 #include <sys/types.h>
1360 #include <utmp.h>
1361 #ifdef HAVE_LASTLOG_H
1362 #  include <lastlog.h>
1363 #endif
1364 #ifdef HAVE_PATHS_H
1365 #  include <paths.h>
1366 #endif
1367         ],
1368         [ char *lastlog = LASTLOG_FILE; ],
1369         [ AC_MSG_RESULT(yes) ],
1370         [
1371                 AC_MSG_RESULT(no)
1372                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1373                 AC_TRY_COMPILE([
1374 #include <sys/types.h>
1375 #include <utmp.h>
1376 #ifdef HAVE_LASTLOG_H
1377 #  include <lastlog.h>
1378 #endif
1379 #ifdef HAVE_PATHS_H
1380 #  include <paths.h>
1381 #endif
1382                 ],
1383                 [ char *lastlog = _PATH_LASTLOG; ],
1384                 [ AC_MSG_RESULT(yes) ],
1385                 [
1386                         AC_MSG_RESULT(no)
1387                         system_lastlog_path=no
1388                 ])
1389         ]
1390 )
1391
1392 if test -z "$conf_lastlog_location"; then
1393         if test x"$system_lastlog_path" = x"no" ; then
1394                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1395                                 if (test -d "$f" || test -f "$f") ; then
1396                                         conf_lastlog_location=$f
1397                                 fi
1398                 done
1399                 if test -z "$conf_lastlog_location"; then
1400                         AC_MSG_WARN([** Cannot find lastlog **])
1401                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1402                 fi
1403         fi
1404 fi
1405
1406 if test -n "$conf_lastlog_location"; then
1407         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1408 fi
1409
1410 dnl utmp detection
1411 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1412 AC_TRY_COMPILE([
1413 #include <sys/types.h>
1414 #include <utmp.h>
1415 #ifdef HAVE_PATHS_H
1416 #  include <paths.h>
1417 #endif
1418         ],
1419         [ char *utmp = UTMP_FILE; ],
1420         [ AC_MSG_RESULT(yes) ],
1421         [ AC_MSG_RESULT(no)
1422           system_utmp_path=no ]
1423 )
1424 if test -z "$conf_utmp_location"; then
1425         if test x"$system_utmp_path" = x"no" ; then
1426                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1427                         if test -f $f ; then
1428                                 conf_utmp_location=$f
1429                         fi
1430                 done
1431                 if test -z "$conf_utmp_location"; then
1432                         AC_DEFINE(DISABLE_UTMP)
1433                 fi
1434         fi
1435 fi
1436 if test -n "$conf_utmp_location"; then
1437         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1438 fi
1439
1440 dnl wtmp detection
1441 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1442 AC_TRY_COMPILE([
1443 #include <sys/types.h>
1444 #include <utmp.h>
1445 #ifdef HAVE_PATHS_H
1446 #  include <paths.h>
1447 #endif
1448         ],
1449         [ char *wtmp = WTMP_FILE; ],
1450         [ AC_MSG_RESULT(yes) ],
1451         [ AC_MSG_RESULT(no)
1452           system_wtmp_path=no ]
1453 )
1454 if test -z "$conf_wtmp_location"; then
1455         if test x"$system_wtmp_path" = x"no" ; then
1456                 for f in /usr/adm/wtmp /var/log/wtmp; do
1457                         if test -f $f ; then
1458                                 conf_wtmp_location=$f
1459                         fi
1460                 done
1461                 if test -z "$conf_wtmp_location"; then
1462                         AC_DEFINE(DISABLE_WTMP)
1463                 fi
1464         fi
1465 fi
1466 if test -n "$conf_wtmp_location"; then
1467         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1468 fi
1469
1470
1471 dnl utmpx detection - I don't know any system so perverse as to require
1472 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1473 dnl  there, though.
1474 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1475 AC_TRY_COMPILE([
1476 #include <sys/types.h>
1477 #include <utmp.h>
1478 #ifdef HAVE_UTMPX_H
1479 #include <utmpx.h>
1480 #endif
1481 #ifdef HAVE_PATHS_H
1482 #  include <paths.h>
1483 #endif
1484         ],
1485         [ char *utmpx = UTMPX_FILE; ],
1486         [ AC_MSG_RESULT(yes) ],
1487         [ AC_MSG_RESULT(no)
1488           system_utmpx_path=no ]
1489 )
1490 if test -z "$conf_utmpx_location"; then
1491         if test x"$system_utmpx_path" = x"no" ; then
1492                 AC_DEFINE(DISABLE_UTMPX)
1493         fi
1494 else
1495         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1496 fi
1497
1498 dnl wtmpx detection
1499 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1500 AC_TRY_COMPILE([
1501 #include <sys/types.h>
1502 #include <utmp.h>
1503 #ifdef HAVE_UTMPX_H
1504 #include <utmpx.h>
1505 #endif
1506 #ifdef HAVE_PATHS_H
1507 #  include <paths.h>
1508 #endif
1509         ],
1510         [ char *wtmpx = WTMPX_FILE; ],
1511         [ AC_MSG_RESULT(yes) ],
1512         [ AC_MSG_RESULT(no)
1513           system_wtmpx_path=no ]
1514 )
1515 if test -z "$conf_wtmpx_location"; then
1516         if test x"$system_wtmpx_path" = x"no" ; then
1517                 AC_DEFINE(DISABLE_WTMPX)
1518         fi
1519 else
1520         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1521 fi
1522
1523
1524 # Change default command timeout for builtin PRNG
1525 entropy_timeout=200
1526 AC_ARG_WITH(entropy-timeout,
1527         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1528         [
1529                 if test "x$withval" != "xno" ; then
1530                         entropy_timeout=$withval
1531                 fi
1532         ]
1533 )
1534 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1535
1536
1537 if test ! -z "$blibpath" ; then
1538         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1539         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1540 fi
1541
1542 AC_EXEEXT
1543
1544 AC_OUTPUT(Makefile ssh_prng_cmds)
1545
1546 # Print summary of options
1547
1548 if test x$MANTYPE = x'$(CATMAN)' ; then
1549         MAN_MSG=cat
1550 else
1551         MAN_MSG=man
1552 fi
1553 if test ! -z "$RANDOM_POOL" ; then
1554         RAND_MSG="Device ($RANDOM_POOL)"
1555 else
1556         if test ! -z "$EGD_SOCKET" ; then
1557                 RAND_MSG="EGD ($EGD_SOCKET)"
1558         else
1559                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1560                 BUILTIN_RNG=1
1561         fi
1562 fi
1563
1564 # Someone please show me a better way :)
1565 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1566 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1567 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1568 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1569 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1570 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1571 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1572
1573 echo ""
1574 echo "OpenSSH configured has been configured with the following options."
1575 echo "                 User binaries: $B"
1576 echo "                 User binaries: $B"
1577 echo "               System binaries: $C"
1578 echo "           Configuration files: $D"
1579 echo "               Askpass program: $E"
1580 echo "                  Manual pages: $F"
1581 echo "                      PID file: $G"
1582 echo "      Random number collection: $RAND_MSG"
1583 echo "                Manpage format: $MAN_MSG"
1584 echo "                   PAM support: ${PAM_MSG}"
1585 echo "            KerberosIV support: $KRB4_MSG"
1586 echo "                   AFS support: $AFS_MSG"
1587 echo "                 S/KEY support: $SKEY_MSG"
1588 echo "          TCP Wrappers support: $TCPW_MSG"
1589 echo "          MD5 password support: $MD5_MSG"
1590 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1591 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1592 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1593
1594 echo ""
1595
1596 echo "             Host: ${host}"
1597 echo "         Compiler: ${CC}"
1598 echo "   Compiler flags: ${CFLAGS}"
1599 echo "     Linker flags: ${LDFLAGS}"
1600 echo "        Libraries: ${LIBS}"
1601
1602 echo ""
1603
1604 if test ! -z "$BUILTIN_RNG" ; then
1605         echo "WARNING: you are using the builtin random number collection service."
1606         echo "Please read WARNING.RNG and request that your OS vendor includes"
1607         echo "/dev/random in future versions of their OS."
1608         echo ""
1609 fi