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
  17 if test -z "$LD" ; then
  18         LD=$CC
  19 fi
  20 AC_SUBST(LD)
  21
  22 # C Compiler features
  23 AC_C_INLINE
  24 if test "$GCC" = "yes"; then
  25         CFLAGS="$CFLAGS -Wall"
  26 fi
  27
  28 # Check for some target-specific stuff
  29 case "$host" in
  30 *-*-aix*)
  31         AFS_LIBS="-lld"
  32         CFLAGS="$CFLAGS -I/usr/local/include"
  33         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  34         if test "$LD" != "gcc" -a -z "$blibpath"; then
  35                 blibpath="/usr/lib:/lib:/usr/local/lib"
  36         fi
  37         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  38         AC_DEFINE(BROKEN_GETADDRINFO)
  39         ;;
  40 *-*-hpux10*)
  41         if test -z "$GCC"; then
  42                 CFLAGS="$CFLAGS -Aa"
  43         fi
  44         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  45         CFLAGS="$CFLAGS -I/usr/local/include"
  46         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  47         AC_DEFINE(IPADDR_IN_DISPLAY)
  48         AC_DEFINE(USE_UTMPX)
  49         AC_MSG_CHECKING(for HPUX trusted system password database)
  50         if test -f /tcb/files/auth/system/default; then
  51                 AC_MSG_RESULT(yes)
  52                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  53                 LIBS="$LIBS -lsec"
  54                 AC_MSG_WARN([This configuration is untested])
  55         else
  56                 AC_MSG_RESULT(no)
  57                 AC_DEFINE(DISABLE_SHADOW)
  58         fi
  59         MANTYPE='$(CATMAN)'
  60         mansubdir=cat
  61         ;;
  62 *-*-hpux11*)
  63         if test -z "$GCC"; then
  64                 CFLAGS="$CFLAGS -Ae"
  65         fi
  66         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  67         CFLAGS="$CFLAGS -I/usr/local/include"
  68         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  69         AC_DEFINE(IPADDR_IN_DISPLAY)
  70         AC_DEFINE(USE_UTMPX)
  71         AC_MSG_CHECKING(for HPUX trusted system password database)
  72         if test -f /tcb/files/auth/system/default; then
  73                 AC_MSG_RESULT(yes)
  74                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  75                 LIBS="$LIBS -lsec"
  76                 AC_MSG_WARN([This configuration is untested])
  77         else
  78                 AC_MSG_RESULT(no)
  79                 AC_DEFINE(DISABLE_SHADOW)
  80         fi
  81         MANTYPE='$(CATMAN)'
  82         mansubdir=cat
  83         ;;
  84 *-*-irix5*)
  85         CFLAGS="$CFLAGS -I/usr/local/include"
  86         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  87         MANTYPE='$(CATMAN)'
  88         no_libsocket=1
  89         no_libnsl=1
  90         ;;
  91 *-*-irix6*)
  92         CFLAGS="$CFLAGS -I/usr/local/include"
  93         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  94         MANTYPE='$(CATMAN)'
  95         AC_MSG_WARN([*** Irix 6.x is not tested, please report you experiences *** ])
  96         no_libsocket=1
  97         no_libnsl=1
  98         ;;
  99 *-*-linux*)
 100         no_dev_ptmx=1
 101         AC_DEFINE(DONT_TRY_OTHER_AF)
 102         inet6_default_4in6=yes
 103         ;;
 104 *-*-netbsd*)
 105         need_dash_r=1
 106         ;;
 107 *-*-solaris*)
 108         CFLAGS="$CFLAGS -I/usr/local/include"
 109         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 110         need_dash_r=1
 111         AC_DEFINE(USE_UTMPX)
 112         ;;
 113 *-*-sysv*)
 114         CFLAGS="$CFLAGS -I/usr/local/include"
 115         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 116         AC_DEFINE(USE_UTMPX)
 117         MANTYPE='$(CATMAN)'
 118         mansubdir=cat
 119         LIBS="$LIBS -lgen -lsocket"
 120         ;;
 121 esac
 122
 123 # Checks for libraries.
 124 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 125 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 126
 127 if test -z "$no_libsocket" ; then
 128         AC_CHECK_LIB(nsl, yp_match, , )
 129 fi
 130 if test -z "$no_libnsl" ; then
 131         AC_CHECK_LIB(socket, main, , )
 132 fi
 133
 134 # Checks for header files.
 135 AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.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/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h util.h utmp.h utmpx.h)
 136
 137 # Checks for library functions.
 138 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt memmove mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf vhangup _getpty __b64_ntop)
 139
 140 AC_CHECK_FUNC(login,
 141         [AC_DEFINE(HAVE_LOGIN)],
 142         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 143 )
 144
 145 AC_CHECK_FUNC(daemon,
 146         [AC_DEFINE(HAVE_DAEMON)],
 147         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 148 )
 149
 150 AC_CHECK_FUNC(getpagesize,
 151         [AC_DEFINE(HAVE_GETPAGESIZE)],
 152         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 153 )
 154
 155 AC_ARG_WITH(pam,
 156         [  --without-pam           Disable PAM support ],
 157         [
 158                 if test "x$withval" = "xno" ; then
 159                         no_pam=1
 160                         AC_DEFINE(DISABLE_PAM)
 161                 fi
 162         ]
 163 )
 164 if test -z "$no_pam" -a "x$ac_cv_header_security_pam_appl_h" = "xyes" ; then
 165         AC_CHECK_LIB(dl, dlopen, , )
 166         LIBS="$LIBS -lpam"
 167
 168         AC_CHECK_FUNCS(pam_getenvlist)
 169
 170         # Check PAM strerror arguments (old PAM)
 171         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 172         AC_TRY_COMPILE(
 173                 [
 174 #include <stdlib.h>
 175 #include <security/pam_appl.h>
 176                 ],
 177                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 178                 [AC_MSG_RESULT(no)],
 179                 [
 180                         AC_DEFINE(HAVE_OLD_PAM)
 181                         AC_MSG_RESULT(yes)
 182                 ]
 183         )
 184 fi
 185
 186 # The big search for OpenSSL
 187 AC_ARG_WITH(ssl-dir,
 188         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 189         [
 190                 if test "x$withval" != "$xno" ; then
 191                         tryssldir=$withval
 192                 fi
 193         ]
 194 )
 195
 196 saved_LIBS="$LIBS"
 197 saved_LDFLAGS="$LDFLAGS"
 198 saved_CFLAGS="$CFLAGS"
 199 if test "x$prefix" != "xNONE" ; then
 200         tryssldir="$tryssldir $prefix"
 201 fi
 202 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 203
 204         for ssldir in "" $tryssldir /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 205                 if test ! -z "$ssldir" ; then
 206                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 207                         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 208                         if test ! -z "$need_dash_r" ; then
 209                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 210                         fi
 211                 else
 212                         LDFLAGS="$saved_LDFLAGS"
 213                 fi
 214
 215                 for WANTS_RSAREF in "" 1 ; do
 216
 217                         if test -z "$WANTS_RSAREF" ; then
 218                                 LIBS="$saved_LIBS -lcrypto"
 219                         else
 220                                 LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 221                         fi
 222
 223                         AC_TRY_RUN(
 224                                 [
 225 #include <string.h>
 226 #include <openssl/rand.h>
 227 #include <openssl/rsa.h>
 228 #include <openssl/bn.h>
 229 #include <openssl/sha.h>
 230 int main(void)
 231 {
 232         RSA *key; char a[2048],b[2048];;
 233         memset(a, 0, sizeof(a));memset(b, 0, sizeof(b));
 234         RAND_add(a, sizeof(a), sizeof(a));
 235         key=RSA_generate_key(32,3,NULL,NULL);
 236         if (key==NULL) return(1);
 237         return(-1==RSA_private_decrypt(RSA_size(key),a,b,key,RSA_NO_PADDING));
 238 }
 239                                 ],
 240                                 [
 241                                         found_crypto=1
 242                                         break;
 243                                 ], []
 244                         )
 245                 done
 246
 247                 if test ! -z "$found_crypto" ; then
 248                         break;
 249                 fi
 250         done
 251
 252         if test -z "$found_crypto" ; then
 253                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 254         fi
 255         if test -z "$ssldir" ; then
 256                 ssldir="(system)"
 257         fi
 258
 259         ac_cv_openssldir=$ssldir
 260 ])
 261
 262 if test ! -z "$ac_cv_openssldir" -a ! "x$ac_cv_openssldir" = "x(system)" ; then
 263         AC_DEFINE(HAVE_OPENSSL)
 264         dnl Need to recover ssldir - test above runs in subshell
 265         ssldir=$ac_cv_openssldir
 266         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 267         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 268         if test ! -z "$need_dash_r" ; then
 269                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 270         fi
 271         if test ! -z "$blibpath" ; then
 272                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 273         fi
 274 fi
 275 if test -z "$WANTS_RSAREF" ; then
 276         LIBS="$saved_LIBS -lcrypto"
 277 else
 278         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 279 fi
 280
 281
 282 # Checks for data types
 283 AC_CHECK_SIZEOF(char, 1)
 284 AC_CHECK_SIZEOF(short int, 2)
 285 AC_CHECK_SIZEOF(int, 4)
 286 AC_CHECK_SIZEOF(long int, 4)
 287 AC_CHECK_SIZEOF(long long int, 8)
 288
 289 # More checks for data types
 290 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 291         AC_TRY_COMPILE(
 292                 [ #include <sys/types.h> ],
 293                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 294                 [ ac_cv_have_intxx_t="yes" ],
 295                 [ ac_cv_have_intxx_t="no" ]
 296         )
 297 ])
 298 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 299         AC_DEFINE(HAVE_INTXX_T)
 300         have_intxx_t=1
 301 fi
 302
 303 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 304         AC_TRY_COMPILE(
 305                 [ #include <sys/types.h> ],
 306                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 307                 [ ac_cv_have_u_intxx_t="yes" ],
 308                 [ ac_cv_have_u_intxx_t="no" ]
 309         )
 310 ])
 311 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 312         AC_DEFINE(HAVE_U_INTXX_T)
 313         have_u_intxx_t=1
 314 fi
 315
 316
 317 if test -z "$have_u_intxx_t" -o -z "$have_intxx_t" -a \
 318            "x$ac_cv_header_sys_bitypes_h" = "xyes"
 319 then
 320         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 321         AC_TRY_COMPILE(
 322                 [
 323 #include <sys/bitypes.h>
 324                 ],
 325                 [
 326                         int8_t a; int16_t b; int32_t c;
 327                         u_int8_t e; u_int16_t f; u_int32_t g;
 328                         a = b = c = e = f = g = 1;
 329                 ],
 330                 [
 331                         AC_DEFINE(HAVE_U_INTXX_T)
 332                         AC_DEFINE(HAVE_INTXX_T)
 333                         AC_MSG_RESULT(yes)
 334                 ],
 335                 [AC_MSG_RESULT(no)]
 336         )
 337 fi
 338
 339 if test -z "$have_u_intxx_t" ; then
 340         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 341                 AC_TRY_COMPILE(
 342                         [
 343 #include <sys/types.h>
 344                         ],
 345                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 346                         [ ac_cv_have_uintxx_t="yes" ],
 347                         [ ac_cv_have_uintxx_t="no" ]
 348                 )
 349         ])
 350         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 351                 AC_DEFINE(HAVE_UINTXX_T)
 352         fi
 353 fi
 354
 355 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 356         AC_TRY_COMPILE(
 357                 [
 358 #include <sys/types.h>
 359 #include <sys/socket.h>
 360                 ],
 361                 [socklen_t foo; foo = 1235;],
 362                 [ ac_cv_have_socklen_t="yes" ],
 363                 [ ac_cv_have_socklen_t="no" ]
 364         )
 365 ])
 366 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 367         AC_DEFINE(HAVE_SOCKLEN_T)
 368 fi
 369
 370 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 371         AC_TRY_COMPILE(
 372                 [
 373 #include <sys/types.h>
 374                 ],
 375                 [ size_t foo; foo = 1235; ],
 376                 [ ac_cv_have_size_t="yes" ],
 377                 [ ac_cv_have_size_t="no" ]
 378         )
 379 ])
 380 if test "x$ac_cv_have_size_t" = "xyes" ; then
 381         AC_DEFINE(HAVE_SIZE_T)
 382 fi
 383
 384 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 385         AC_TRY_COMPILE(
 386                 [
 387 #include <sys/types.h>
 388                 ],
 389                 [ ssize_t foo; foo = 1235; ],
 390                 [ ac_cv_have_ssize_t="yes" ],
 391                 [ ac_cv_have_ssize_t="no" ]
 392         )
 393 ])
 394 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 395         AC_DEFINE(HAVE_SSIZE_T)
 396 fi
 397
 398
 399 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 400         AC_TRY_COMPILE(
 401                 [
 402 #include <sys/types.h>
 403 #include <sys/socket.h>
 404                 ],
 405                 [ struct sockaddr_storage s; ],
 406                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 407                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 408         )
 409 ])
 410 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 411         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 412 fi
 413
 414 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 415         AC_TRY_COMPILE(
 416                 [
 417 #include <netinet/in.h>
 418                 ],
 419                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 420                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 421                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 422         )
 423 ])
 424 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 425         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 426 fi
 427
 428 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 429         AC_TRY_COMPILE(
 430                 [
 431 #include <netinet/in.h>
 432                 ],
 433                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 434                 [ ac_cv_have_struct_in6_addr="yes" ],
 435                 [ ac_cv_have_struct_in6_addr="no" ]
 436         )
 437 ])
 438 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 439         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 440 fi
 441
 442 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 443         AC_TRY_COMPILE(
 444                 [
 445 #include <sys/types.h>
 446 #include <sys/socket.h>
 447 #include <netdb.h>
 448                 ],
 449                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 450                 [ ac_cv_have_struct_addrinfo="yes" ],
 451                 [ ac_cv_have_struct_addrinfo="no" ]
 452         )
 453 ])
 454 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 455         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 456 fi
 457
 458
 459 # Checks for structure members
 460
 461 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 462 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 463 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 464 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 465 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 466 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 467 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 468 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 469 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 470 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 471 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 472
 473
 474 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 475                 ac_cv_have_ss_family_in_struct_ss, [
 476         AC_TRY_COMPILE(
 477                 [
 478 #include <sys/types.h>
 479 #include <sys/socket.h>
 480                 ],
 481                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 482                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 483                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 484         )
 485 ])
 486 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 487         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 488 fi
 489
 490
 491 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 492                 ac_cv_have___ss_family_in_struct_ss, [
 493         AC_TRY_COMPILE(
 494                 [
 495 #include <sys/types.h>
 496 #include <sys/socket.h>
 497                 ],
 498                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 499                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 500                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 501         )
 502 ])
 503 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 504         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 505 fi
 506
 507
 508 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 509         AC_TRY_LINK([],
 510                 [ extern char *__progname; printf("%s", __progname); ],
 511                 [ ac_cv_libc_defines___progname="yes" ],
 512                 [ ac_cv_libc_defines___progname="no" ]
 513         )
 514 ])
 515 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 516         AC_DEFINE(HAVE___PROGNAME)
 517 fi
 518
 519
 520 # Looking for programs, paths and files
 521 AC_ARG_WITH(rsh,
 522         [  --with-rsh=PATH         Specify path to remote shell program ],
 523         [
 524                 if test "x$withval" != "$no" ; then
 525                         AC_DEFINE_UNQUOTED(RSH_PATH, "$withval")
 526                 fi
 527         ],
 528         [
 529                 AC_PATH_PROG(rsh_path, rsh)
 530         ]
 531 )
 532
 533 AC_ARG_WITH(xauth,
 534         [  --with-xauth=PATH       Specify path to xauth program ],
 535         [
 536                 if test "x$withval" != "$xno" ; then
 537                         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$withval")
 538                 fi
 539         ],
 540         [
 541                 AC_PATH_PROG(xauth_path, xauth)
 542                 if test ! -z "$xauth_path" -a -x "/usr/openwin/bin/xauth" ; then
 543                         xauth_path="/usr/openwin/bin/xauth"
 544                 fi
 545         ]
 546 )
 547
 548 if test ! -z "$xauth_path" ; then
 549         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 550 fi
 551 if test ! -z "$rsh_path" ; then
 552         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 553 fi
 554
 555 # Check for mail directory (last resort if we cannot get it from headers)
 556 if test ! -z "$MAIL" ; then
 557         maildir=`dirname $MAIL`
 558         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 559 fi
 560
 561 # Look for lastlog location
 562 AC_ARG_WITH(lastlog,
 563         [  --with-lastlog=FILE     Location of lastlog file],
 564         [
 565                 if test "x$withval" = "xno" ; then
 566                         AC_DEFINE(DISABLE_LASTLOG)
 567                 else
 568                         AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$withval")
 569                 fi
 570         ],
 571         [
 572                 AC_MSG_CHECKING([location of lastlog file])
 573                 for lastlog in /var/log/lastlog /var/adm/lastlog /usr/adm/lastlog  /etc/security/lastlog ; do
 574                         if test -f $lastlog ; then
 575                                 gotlastlog="file"
 576                                 break
 577                         fi
 578                         if test -d $lastlog ; then
 579                                 gotlastlog="dir"
 580                                 break
 581                         fi
 582                 done
 583                 if test -z "$gotlastlog" ; then
 584                         AC_MSG_RESULT(not found)
 585                         nolastlog=1
 586                 else
 587                         if test "x$gotlastlog" = "xdir" ; then
 588                                 AC_MSG_RESULT(${lastlog}/)
 589                                 AC_DEFINE(LASTLOG_IS_DIR)
 590                         else
 591                                 AC_MSG_RESULT($lastlog)
 592                                 AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
 593                         fi
 594                 fi
 595         ]
 596 )
 597
 598 if test ! -z "$nolastlog" ; then
 599         AC_MSG_WARN([*** Disabling lastlog support *** ])
 600         AC_DEFINE(DISABLE_LASTLOG)
 601 fi
 602
 603 if test -z "$no_dev_ptmx" ; then
 604         AC_CHECK_FILE("/dev/ptmx",
 605                 [
 606                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 607                         have_dev_ptmx=1
 608                 ]
 609         )
 610 fi
 611 AC_CHECK_FILE("/dev/ptc",
 612         [
 613                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 614                 have_dev_ptc=1
 615         ]
 616 )
 617
 618 # Options from here on. Some of these are preset by platform above
 619
 620 # Check for user-specified random device, otherwise check /dev/urandom
 621 AC_ARG_WITH(random,
 622         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 623         [
 624                 if test "x$withval" != "xno" ; then
 625                         RANDOM_POOL="$withval";
 626                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 627                 fi
 628         ],
 629         [
 630                 # Check for random device
 631                 AC_CHECK_FILE("/dev/urandom",
 632                         [
 633                                 RANDOM_POOL="/dev/urandom";
 634                                 AC_SUBST(RANDOM_POOL)
 635                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 636                         ]
 637                 )
 638         ]
 639 )
 640
 641 # Check for EGD pool file
 642 AC_ARG_WITH(egd-pool,
 643         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 644         [
 645                 if test "x$withval" != "xno" ; then
 646                         EGD_SOCKET="$withval";
 647                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 648                 fi
 649         ]
 650 )
 651
 652 # detect pathnames for entropy gathering commands, if we need them
 653 INSTALL_SSH_PRNG_CMDS=""
 654 rm -f prng_commands
 655 if test -z "$RANDOM_POOL" -a -z "$EGD_SOCKET" ; then
 656         # Use these commands to collect entropy
 657         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 658         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 659         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 660         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 661         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 662         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 663         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 664         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 665         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 666         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 667         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 668         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 669         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 670         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 671         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 672
 673         INSTALL_SSH_PRNG_CMDS="yes"
 674 fi
 675 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 676
 677
 678 AC_ARG_WITH(catman,
 679         [  --with-catman=man|cat   Install preformatted manpages[no]],
 680         [
 681                 MANTYPE='$(CATMAN)'
 682                 if test x"$withval" != x"yes" ; then
 683                    mansubdir=$withval
 684                 else
 685                    mansubdir=cat
 686                 fi
 687         ], [
 688                 if test -z "$MANTYPE" ; then
 689                         MANTYPE='$(TROFFMAN)'
 690                         mansubdir=man
 691                 fi
 692         ]
 693 )
 694 AC_SUBST(MANTYPE)
 695 AC_SUBST(mansubdir)
 696
 697 # Check whether user wants Kerberos support
 698 AC_ARG_WITH(kerberos4,
 699         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 700         [
 701                 if test "x$withval" != "xno" ; then
 702
 703                         if test "x$withval" != "$xyes" ; then
 704                                 CFLAGS="$CFLAGS -I${withval}/include"
 705                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 706                                 if test ! -z "$need_dash_r" ; then
 707                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 708                                 fi
 709                                 if test ! -z "$blibpath" ; then
 710                                         blibpath="$blibpath:${withval}/lib"
 711                                 fi
 712                         else
 713                                 if test -d /usr/include/kerberosIV ; then
 714                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 715                                 fi
 716                         fi
 717
 718                         AC_CHECK_HEADERS(krb.h)
 719                         AC_CHECK_LIB(krb, main)
 720                         if test "$ac_cv_header_krb_h" != yes; then
 721                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 722                         fi
 723                         if test "$ac_cv_lib_krb_main" != yes; then
 724                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 725                         fi
 726
 727                         KLIBS="-lkrb -ldes"
 728                         AC_CHECK_LIB(resolv, dn_expand, , )
 729                         KRB4=yes
 730                         AC_DEFINE(KRB4)
 731                 fi
 732         ]
 733 )
 734
 735 # Check whether user wants AFS support
 736 AC_ARG_WITH(afs,
 737         [  --with-afs=PATH         Enable AFS support],
 738         [
 739                 if test "x$withval" != "xno" ; then
 740
 741                         if test "x$withval" != "$xyes" ; then
 742                                 CFLAGS="$CFLAGS -I${withval}/include"
 743                                 LFLAGS="$LFLAGS -L${withval}/lib"
 744                         fi
 745
 746                         if test -z "$KRB4" ; then
 747                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 748                         fi
 749
 750                         LIBS="$LIBS -lkafs"
 751                         if test ! -z "$AFS_LIBS" ; then
 752                                 LIBS="$LIBS $AFS_LIBS"
 753                         fi
 754                         AC_DEFINE(AFS)
 755                 fi
 756         ]
 757 )
 758 LIBS="$LIBS $KLIBS"
 759
 760 # Check whether user wants S/Key support
 761 AC_ARG_WITH(skey,
 762         [  --with-skey             Enable S/Key support],
 763         [
 764                 if test "x$withval" != "xno" ; then
 765                         AC_DEFINE(SKEY)
 766                         LIBS="$LIBS -lskey"
 767                 fi
 768         ]
 769 )
 770
 771 # Check whether user wants TCP wrappers support
 772 AC_ARG_WITH(tcp-wrappers,
 773         [  --with-tcp-wrappers     Enable tcpwrappers support],
 774         [
 775                 if test "x$withval" != "xno" ; then
 776                         saved_LIBS="$LIBS"
 777                         LIBS="$LIBS -lwrap"
 778                         AC_MSG_CHECKING(for libwrap)
 779                         AC_TRY_LINK(
 780                                 [
 781 #include <tcpd.h>
 782                                         int deny_severity = 0, allow_severity = 0;
 783                                 ],
 784                                 [hosts_access(0);],
 785                                 [
 786                                         AC_MSG_RESULT(yes)
 787                                         AC_DEFINE(LIBWRAP)
 788                                 ],
 789                                 [
 790                                         AC_MSG_RESULT(no)
 791                                         AC_MSG_WARN([*** libwrap missing - tcpwrapper support disabled ***])
 792                                         LIBS="$saved_LIBS"
 793                                 ]
 794                         )
 795                 fi
 796         ]
 797 )
 798
 799 # Check whether to enable MD5 passwords
 800 AC_ARG_WITH(md5-passwords,
 801         [  --with-md5-passwords    Enable use of MD5 passwords],
 802         [
 803                 if test "x$withval" != "xno" ; then
 804                         AC_DEFINE(HAVE_MD5_PASSWORDS)
 805                 fi
 806         ]
 807 )
 808
 809 # Check whether to enable utmpx support
 810 AC_ARG_WITH(utmpx,
 811         [  --with-utmpx            Enable utmpx support],
 812         [
 813                 if test "x$withval" != "xno" ; then
 814                         AC_DEFINE(USE_UTMPX)
 815                 fi
 816         ]
 817 )
 818
 819 # Whether to disable shadow password support
 820 AC_ARG_WITH(shadow,
 821         [  --without-shadow        Disable shadow password support],
 822         [
 823                 if test "x$withval" = "xno" ; then
 824                         AC_DEFINE(DISABLE_SHADOW)
 825                 fi
 826         ]
 827 )
 828
 829 # Use ip address instead of hostname in $DISPLAY
 830 AC_ARG_WITH(ipaddr-display,
 831         [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
 832         [
 833                 if test "x$withval" = "xno" ; then
 834                         AC_DEFINE(IPADDR_IN_DISPLAY)
 835                 fi
 836         ]
 837 )
 838
 839 # Whether to mess with the default path
 840 AC_ARG_WITH(default-path,
 841         [  --with-default-path=PATH Specify default \$PATH environment for server],
 842         [
 843                 if test "x$withval" != "xno" ; then
 844                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
 845                 fi
 846         ]
 847 )
 848
 849 # Whether to force IPv4 by default (needed on broken glibc Linux)
 850 AC_ARG_WITH(ipv4-default,
 851         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
 852         [
 853                 if test "x$withval" != "xno" ; then
 854                         AC_DEFINE(IPV4_DEFAULT)
 855                 fi
 856         ]
 857 )
 858
 859 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
 860 AC_ARG_WITH(4in6,
 861         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
 862         [
 863                 if test "x$withval" != "xno" ; then
 864                         AC_MSG_RESULT(yes)
 865                         AC_DEFINE(IPV4_IN_IPV6)
 866                 else
 867                         AC_MSG_RESULT(no)
 868                 fi
 869         ],[
 870                 if test "x$inet6_default_4in6" = "xyes"; then
 871                         AC_MSG_RESULT([yes (default)])
 872                         AC_DEFINE(IPV4_IN_IPV6)
 873                 else
 874                         AC_MSG_RESULT([no (default)])
 875                 fi
 876         ]
 877 )
 878
 879 # Where to place sshd.pid
 880 piddir=/var/run
 881 AC_ARG_WITH(pid-dir,
 882         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
 883         [
 884                 if test "x$withval" != "xno" ; then
 885                         piddir=$withval
 886                 fi
 887         ]
 888 )
 889
 890 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
 891 AC_SUBST(piddir)
 892
 893
 894 # Change default command timeout for builtin PRNG
 895 entropy_timeout=100
 896 AC_ARG_WITH(entropy-timeout,
 897         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
 898         [
 899                 if test "x$withval" != "xno" ; then
 900                         entropy_timeout=$withval
 901                 fi
 902         ]
 903 )
 904 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 905
 906
 907 if test ! -z "$blibpath" ; then
 908         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
 909         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
 910 fi
 911
 912 AC_OUTPUT(Makefile ssh_prng_cmds)
 913
 914