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="$CFLAGS -Ae"
  43         fi
  44         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  45         AC_DEFINE(IPADDR_IN_DISPLAY)
  46         AC_MSG_CHECKING(for HPUX trusted system password database)
  47         if test -f /tcb/files/auth/system/default; then
  48                 AC_MSG_RESULT(yes)
  49                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  50                 LIBS="$LIBS -lsec"
  51                 AC_MSG_WARN([This configuration is untested])
  52         else
  53                 AC_MSG_RESULT(no)
  54                 AC_DEFINE(DISABLE_SHADOW)
  55         fi
  56         MANTYPE='$(CATMAN)'
  57         mansubdir=cat
  58         ;;
  59 *-*-hpux11*)
  60         if test -z "$GCC"; then
  61                 CFLAGS="$CFLAGS -Ae"
  62         fi
  63         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  64         AC_DEFINE(IPADDR_IN_DISPLAY)
  65         AC_MSG_CHECKING(for HPUX trusted system password database)
  66         if test -f /tcb/files/auth/system/default; then
  67                 AC_MSG_RESULT(yes)
  68                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  69                 LIBS="$LIBS -lsec"
  70                 AC_MSG_WARN([This configuration is untested])
  71         else
  72                 AC_MSG_RESULT(no)
  73                 AC_DEFINE(DISABLE_SHADOW)
  74         fi
  75         MANTYPE='$(CATMAN)'
  76         mansubdir=cat
  77         ;;
  78 *-*-irix5*)
  79         CFLAGS="$CFLAGS -I/usr/local/include"
  80         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  81         MANTYPE='$(CATMAN)'
  82         no_libsocket=1
  83         no_libnsl=1
  84         ;;
  85 *-*-irix6*)
  86         CFLAGS="$CFLAGS -I/usr/local/include"
  87         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  88         MANTYPE='$(CATMAN)'
  89         AC_MSG_WARN([*** Irix 6.x is not tested, please report you experiences *** ])
  90         no_libsocket=1
  91         no_libnsl=1
  92         ;;
  93 *-*-linux*)
  94         no_dev_ptmx=1
  95         AC_DEFINE(DONT_TRY_OTHER_AF)
  96         inet6_default_4in6=yes
  97         ;;
  98 *-*-netbsd*)
  99         need_dash_r=1
 100         ;;
 101 *-*-solaris*)
 102         CFLAGS="$CFLAGS -I/usr/local/include"
 103         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 104         need_dash_r=1
 105         # hardwire lastlog location (can't detect it on some versions)
 106         conf_lastlog_location="/var/adm/lastlog"
 107         ;;
 108 *-*-sunos4*)
 109         CFLAGS="$CFLAGS -DSUNOS4"
 110         AC_CHECK_FUNCS(getpwanam)
 111         ;;
 112 *-*-sysv*)
 113         CFLAGS="$CFLAGS -I/usr/local/include"
 114         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 115         MANTYPE='$(CATMAN)'
 116         mansubdir=cat
 117         LIBS="$LIBS -lgen -lsocket"
 118         ;;
 119 esac
 120
 121 # Checks for libraries.
 122 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 123 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 124
 125 if test -z "$no_libsocket" ; then
 126         AC_CHECK_LIB(nsl, yp_match, , )
 127 fi
 128 if test -z "$no_libnsl" ; then
 129         AC_CHECK_LIB(socket, main, , )
 130 fi
 131
 132 # Checks for header files.
 133 AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h time.h util.h utmp.h utmpx.h)
 134
 135 # Checks for library functions.
 136 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy vsnprintf vhangup _getpty __b64_ntop)
 137 dnl    checks for time functions
 138 AC_CHECK_FUNCS(gettimeofday time)
 139 dnl    checks for libutil functions
 140 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 141 dnl    checks for utmp functions
 142 AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
 143 AC_CHECK_FUNCS(utmpname)
 144 dnl    checks for utmpx functions
 145 AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
 146 AC_CHECK_FUNCS(setutxent utmpxname)
 147
 148 AC_CHECK_FUNC(login,
 149         [AC_DEFINE(HAVE_LOGIN)],
 150         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 151 )
 152
 153 AC_CHECK_FUNC(daemon,
 154         [AC_DEFINE(HAVE_DAEMON)],
 155         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 156 )
 157
 158 AC_CHECK_FUNC(getpagesize,
 159         [AC_DEFINE(HAVE_GETPAGESIZE)],
 160         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 161 )
 162
 163 AC_ARG_WITH(pam,
 164         [  --without-pam           Disable PAM support ],
 165         [
 166                 if test "x$withval" = "xno" ; then
 167                         no_pam=1
 168                         AC_DEFINE(DISABLE_PAM)
 169                 fi
 170         ]
 171 )
 172 if test -z "$no_pam" -a "x$ac_cv_header_security_pam_appl_h" = "xyes" ; then
 173         AC_CHECK_LIB(dl, dlopen, , )
 174         LIBS="$LIBS -lpam"
 175
 176         AC_CHECK_FUNCS(pam_getenvlist)
 177
 178         # Check PAM strerror arguments (old PAM)
 179         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 180         AC_TRY_COMPILE(
 181                 [
 182 #include <stdlib.h>
 183 #include <security/pam_appl.h>
 184                 ],
 185                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 186                 [AC_MSG_RESULT(no)],
 187                 [
 188                         AC_DEFINE(HAVE_OLD_PAM)
 189                         AC_MSG_RESULT(yes)
 190                 ]
 191         )
 192 fi
 193
 194 # The big search for OpenSSL
 195 AC_ARG_WITH(ssl-dir,
 196         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 197         [
 198                 if test "x$withval" != "$xno" ; then
 199                         tryssldir=$withval
 200                 fi
 201         ]
 202 )
 203
 204 saved_LIBS="$LIBS"
 205 saved_LDFLAGS="$LDFLAGS"
 206 saved_CFLAGS="$CFLAGS"
 207 if test "x$prefix" != "xNONE" ; then
 208         tryssldir="$tryssldir $prefix"
 209 fi
 210 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 211
 212         for ssldir in "" $tryssldir /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 213                 if test ! -z "$ssldir" ; then
 214                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 215                         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 216                         if test ! -z "$need_dash_r" ; then
 217                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 218                         fi
 219                 else
 220                         LDFLAGS="$saved_LDFLAGS"
 221                 fi
 222
 223                 LIBS="$saved_LIBS -lcrypto"
 224
 225                 # Basic test to check for compatible version and correct linking
 226                 # *does not* test for RSA - that comes later.
 227                 AC_TRY_RUN(
 228                         [
 229 #include <string.h>
 230 #include <openssl/rand.h>
 231 int main(void)
 232 {
 233         char a[2048];
 234         memset(a, 0, sizeof(a));
 235         RAND_add(a, sizeof(a), sizeof(a));
 236         return(RAND_status() <= 0);
 237 }
 238                         ],
 239                         [
 240                                 found_crypto=1
 241                                 break;
 242                         ], []
 243                 )
 244
 245                 if test ! -z "$found_crypto" ; then
 246                         break;
 247                 fi
 248         done
 249
 250         if test -z "$found_crypto" ; then
 251                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 252         fi
 253         if test -z "$ssldir" ; then
 254                 ssldir="(system)"
 255         fi
 256
 257         ac_cv_openssldir=$ssldir
 258 ])
 259
 260 if test ! -z "$ac_cv_openssldir" -a ! "x$ac_cv_openssldir" = "x(system)" ; then
 261         AC_DEFINE(HAVE_OPENSSL)
 262         dnl Need to recover ssldir - test above runs in subshell
 263         ssldir=$ac_cv_openssldir
 264         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 265         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 266         if test ! -z "$need_dash_r" ; then
 267                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 268         fi
 269         if test ! -z "$blibpath" ; then
 270                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 271         fi
 272 fi
 273 LIBS="$saved_LIBS -lcrypto"
 274
 275 # Now test RSA support
 276 saved_LIBS="$LIBS"
 277 AC_MSG_CHECKING([for RSA support])
 278 for WANTS_RSAREF in "" 1 ; do
 279         if test -z "$WANTS_RSAREF" ; then
 280                 LIBS="$saved_LIBS"
 281         else
 282                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 283         fi
 284         AC_TRY_RUN([
 285 #include <string.h>
 286 #include <openssl/rand.h>
 287 #include <openssl/rsa.h>
 288 #include <openssl/bn.h>
 289 #include <openssl/sha.h>
 290 int main(void)
 291 {
 292         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 293         unsigned char c[256], p[256];
 294         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 295         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 296         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 297         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 298 }
 299         ],
 300         [
 301                 rsa_works=1
 302                 break;
 303         ], [])
 304 done
 305
 306 if test ! -z "$no_rsa" ; then
 307         AC_MSG_RESULT(disabled)
 308 else
 309         if test -z "$rsa_works" ; then
 310                 AC_MSG_WARN([*** No RSA support found *** ])
 311         else
 312                 if test -z "$WANTS_RSAREF" ; then
 313                         AC_MSG_RESULT(yes)
 314                 else
 315                         AC_MSG_RESULT(using RSAref)
 316                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 317                 fi
 318         fi
 319 fi
 320
 321 # Checks for data types
 322 AC_CHECK_SIZEOF(char, 1)
 323 AC_CHECK_SIZEOF(short int, 2)
 324 AC_CHECK_SIZEOF(int, 4)
 325 AC_CHECK_SIZEOF(long int, 4)
 326 AC_CHECK_SIZEOF(long long int, 8)
 327
 328 # More checks for data types
 329 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 330         AC_TRY_COMPILE(
 331                 [ #include <sys/types.h> ],
 332                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 333                 [ ac_cv_have_intxx_t="yes" ],
 334                 [ ac_cv_have_intxx_t="no" ]
 335         )
 336 ])
 337 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 338         AC_DEFINE(HAVE_INTXX_T)
 339         have_intxx_t=1
 340 fi
 341
 342 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 343         AC_TRY_COMPILE(
 344                 [ #include <sys/types.h> ],
 345                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 346                 [ ac_cv_have_u_intxx_t="yes" ],
 347                 [ ac_cv_have_u_intxx_t="no" ]
 348         )
 349 ])
 350 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 351         AC_DEFINE(HAVE_U_INTXX_T)
 352         have_u_intxx_t=1
 353 fi
 354
 355
 356 if test -z "$have_u_intxx_t" -o -z "$have_intxx_t" -a \
 357            "x$ac_cv_header_sys_bitypes_h" = "xyes"
 358 then
 359         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 360         AC_TRY_COMPILE(
 361                 [
 362 #include <sys/bitypes.h>
 363                 ],
 364                 [
 365                         int8_t a; int16_t b; int32_t c;
 366                         u_int8_t e; u_int16_t f; u_int32_t g;
 367                         a = b = c = e = f = g = 1;
 368                 ],
 369                 [
 370                         AC_DEFINE(HAVE_U_INTXX_T)
 371                         AC_DEFINE(HAVE_INTXX_T)
 372                         AC_MSG_RESULT(yes)
 373                 ],
 374                 [AC_MSG_RESULT(no)]
 375         )
 376 fi
 377
 378 if test -z "$have_u_intxx_t" ; then
 379         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 380                 AC_TRY_COMPILE(
 381                         [
 382 #include <sys/types.h>
 383                         ],
 384                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 385                         [ ac_cv_have_uintxx_t="yes" ],
 386                         [ ac_cv_have_uintxx_t="no" ]
 387                 )
 388         ])
 389         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 390                 AC_DEFINE(HAVE_UINTXX_T)
 391         fi
 392 fi
 393
 394 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 395         AC_TRY_COMPILE(
 396                 [
 397 #include <sys/types.h>
 398 #include <sys/socket.h>
 399                 ],
 400                 [socklen_t foo; foo = 1235;],
 401                 [ ac_cv_have_socklen_t="yes" ],
 402                 [ ac_cv_have_socklen_t="no" ]
 403         )
 404 ])
 405 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 406         AC_DEFINE(HAVE_SOCKLEN_T)
 407 fi
 408
 409 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 410         AC_TRY_COMPILE(
 411                 [
 412 #include <sys/types.h>
 413                 ],
 414                 [ size_t foo; foo = 1235; ],
 415                 [ ac_cv_have_size_t="yes" ],
 416                 [ ac_cv_have_size_t="no" ]
 417         )
 418 ])
 419 if test "x$ac_cv_have_size_t" = "xyes" ; then
 420         AC_DEFINE(HAVE_SIZE_T)
 421 fi
 422
 423 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 424         AC_TRY_COMPILE(
 425                 [
 426 #include <sys/types.h>
 427                 ],
 428                 [ ssize_t foo; foo = 1235; ],
 429                 [ ac_cv_have_ssize_t="yes" ],
 430                 [ ac_cv_have_ssize_t="no" ]
 431         )
 432 ])
 433 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 434         AC_DEFINE(HAVE_SSIZE_T)
 435 fi
 436
 437
 438 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 439         AC_TRY_COMPILE(
 440                 [
 441 #include <sys/types.h>
 442 #include <sys/socket.h>
 443                 ],
 444                 [ struct sockaddr_storage s; ],
 445                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 446                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 447         )
 448 ])
 449 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 450         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 451 fi
 452
 453 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 454         AC_TRY_COMPILE(
 455                 [
 456 #include <netinet/in.h>
 457                 ],
 458                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 459                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 460                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 461         )
 462 ])
 463 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 464         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 465 fi
 466
 467 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 468         AC_TRY_COMPILE(
 469                 [
 470 #include <netinet/in.h>
 471                 ],
 472                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 473                 [ ac_cv_have_struct_in6_addr="yes" ],
 474                 [ ac_cv_have_struct_in6_addr="no" ]
 475         )
 476 ])
 477 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 478         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 479 fi
 480
 481 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 482         AC_TRY_COMPILE(
 483                 [
 484 #include <sys/types.h>
 485 #include <sys/socket.h>
 486 #include <netdb.h>
 487                 ],
 488                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 489                 [ ac_cv_have_struct_addrinfo="yes" ],
 490                 [ ac_cv_have_struct_addrinfo="no" ]
 491         )
 492 ])
 493 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 494         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 495 fi
 496
 497
 498 # Checks for structure members
 499
 500 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 501 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 502 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 503 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 504 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 505 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 506 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 507 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 508 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 509 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 510 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 511 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 512 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 513 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 514 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 515 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 516
 517
 518
 519 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 520                 ac_cv_have_ss_family_in_struct_ss, [
 521         AC_TRY_COMPILE(
 522                 [
 523 #include <sys/types.h>
 524 #include <sys/socket.h>
 525                 ],
 526                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 527                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 528                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 529         )
 530 ])
 531 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 532         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 533 fi
 534
 535
 536 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 537                 ac_cv_have___ss_family_in_struct_ss, [
 538         AC_TRY_COMPILE(
 539                 [
 540 #include <sys/types.h>
 541 #include <sys/socket.h>
 542                 ],
 543                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 544                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 545                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 546         )
 547 ])
 548 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 549         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 550 fi
 551
 552
 553 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 554         AC_TRY_LINK([],
 555                 [ extern char *__progname; printf("%s", __progname); ],
 556                 [ ac_cv_libc_defines___progname="yes" ],
 557                 [ ac_cv_libc_defines___progname="no" ]
 558         )
 559 ])
 560 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 561         AC_DEFINE(HAVE___PROGNAME)
 562 fi
 563
 564
 565 # Looking for programs, paths and files
 566 AC_ARG_WITH(rsh,
 567         [  --with-rsh=PATH         Specify path to remote shell program ],
 568         [
 569                 if test "x$withval" != "$no" ; then
 570                         AC_DEFINE_UNQUOTED(RSH_PATH, "$withval")
 571                 fi
 572         ],
 573         [
 574                 AC_PATH_PROG(rsh_path, rsh)
 575         ]
 576 )
 577
 578 AC_ARG_WITH(xauth,
 579         [  --with-xauth=PATH       Specify path to xauth program ],
 580         [
 581                 if test "x$withval" != "$xno" ; then
 582                         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$withval")
 583                 fi
 584         ],
 585         [
 586                 AC_PATH_PROG(xauth_path, xauth)
 587                 if test ! -z "$xauth_path" -a -x "/usr/openwin/bin/xauth" ; then
 588                         xauth_path="/usr/openwin/bin/xauth"
 589                 fi
 590         ]
 591 )
 592
 593 if test ! -z "$xauth_path" ; then
 594         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 595 fi
 596 if test ! -z "$rsh_path" ; then
 597         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 598 fi
 599
 600 # Check for mail directory (last resort if we cannot get it from headers)
 601 if test ! -z "$MAIL" ; then
 602         maildir=`dirname $MAIL`
 603         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 604 fi
 605
 606 if test -z "$no_dev_ptmx" ; then
 607         AC_CHECK_FILE("/dev/ptmx",
 608                 [
 609                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 610                         have_dev_ptmx=1
 611                 ]
 612         )
 613 fi
 614 AC_CHECK_FILE("/dev/ptc",
 615         [
 616                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 617                 have_dev_ptc=1
 618         ]
 619 )
 620
 621 # Options from here on. Some of these are preset by platform above
 622
 623 # Check for user-specified random device, otherwise check /dev/urandom
 624 AC_ARG_WITH(random,
 625         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 626         [
 627                 if test "x$withval" != "xno" ; then
 628                         RANDOM_POOL="$withval";
 629                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 630                 fi
 631         ],
 632         [
 633                 # Check for random device
 634                 AC_CHECK_FILE("/dev/urandom",
 635                         [
 636                                 RANDOM_POOL="/dev/urandom";
 637                                 AC_SUBST(RANDOM_POOL)
 638                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 639                         ]
 640                 )
 641         ]
 642 )
 643
 644 # Check for EGD pool file
 645 AC_ARG_WITH(egd-pool,
 646         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 647         [
 648                 if test "x$withval" != "xno" ; then
 649                         EGD_SOCKET="$withval";
 650                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 651                 fi
 652         ]
 653 )
 654
 655 # detect pathnames for entropy gathering commands, if we need them
 656 INSTALL_SSH_PRNG_CMDS=""
 657 rm -f prng_commands
 658 if test -z "$RANDOM_POOL" -a -z "$EGD_SOCKET" ; then
 659         # Use these commands to collect entropy
 660         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 661         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 662         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 663         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 664         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 665         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 666         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 667         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 668         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 669         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 670         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 671         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 672         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 673         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 674         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 675
 676         INSTALL_SSH_PRNG_CMDS="yes"
 677 fi
 678 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 679
 680
 681 AC_ARG_WITH(catman,
 682         [  --with-catman=man|cat   Install preformatted manpages[no]],
 683         [
 684                 MANTYPE='$(CATMAN)'
 685                 if test x"$withval" != x"yes" ; then
 686                    mansubdir=$withval
 687                 else
 688                    mansubdir=cat
 689                 fi
 690         ], [
 691                 if test -z "$MANTYPE" ; then
 692                         MANTYPE='$(TROFFMAN)'
 693                         mansubdir=man
 694                 fi
 695         ]
 696 )
 697 AC_SUBST(MANTYPE)
 698 AC_SUBST(mansubdir)
 699
 700 # Check whether user wants Kerberos support
 701 AC_ARG_WITH(kerberos4,
 702         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 703         [
 704                 if test "x$withval" != "xno" ; then
 705
 706                         if test "x$withval" != "$xyes" ; then
 707                                 CFLAGS="$CFLAGS -I${withval}/include"
 708                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 709                                 if test ! -z "$need_dash_r" ; then
 710                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 711                                 fi
 712                                 if test ! -z "$blibpath" ; then
 713                                         blibpath="$blibpath:${withval}/lib"
 714                                 fi
 715                         else
 716                                 if test -d /usr/include/kerberosIV ; then
 717                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 718                                 fi
 719                         fi
 720
 721                         AC_CHECK_HEADERS(krb.h)
 722                         AC_CHECK_LIB(krb, main)
 723                         if test "$ac_cv_header_krb_h" != yes; then
 724                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 725                         fi
 726                         if test "$ac_cv_lib_krb_main" != yes; then
 727                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 728                         fi
 729
 730                         KLIBS="-lkrb -ldes"
 731                         AC_CHECK_LIB(resolv, dn_expand, , )
 732                         KRB4=yes
 733                         AC_DEFINE(KRB4)
 734                 fi
 735         ]
 736 )
 737
 738 # Check whether user wants AFS support
 739 AC_ARG_WITH(afs,
 740         [  --with-afs=PATH         Enable AFS support],
 741         [
 742                 if test "x$withval" != "xno" ; then
 743
 744                         if test "x$withval" != "$xyes" ; then
 745                                 CFLAGS="$CFLAGS -I${withval}/include"
 746                                 LFLAGS="$LFLAGS -L${withval}/lib"
 747                         fi
 748
 749                         if test -z "$KRB4" ; then
 750                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 751                         fi
 752
 753                         LIBS="$LIBS -lkafs"
 754                         if test ! -z "$AFS_LIBS" ; then
 755                                 LIBS="$LIBS $AFS_LIBS"
 756                         fi
 757                         AC_DEFINE(AFS)
 758                 fi
 759         ]
 760 )
 761 LIBS="$LIBS $KLIBS"
 762
 763 # Check whether user wants S/Key support
 764 AC_ARG_WITH(skey,
 765         [  --with-skey             Enable S/Key support],
 766         [
 767                 if test "x$withval" != "xno" ; then
 768                         AC_DEFINE(SKEY)
 769                         LIBS="$LIBS -lskey"
 770                 fi
 771         ]
 772 )
 773
 774 # Check whether user wants TCP wrappers support
 775 AC_ARG_WITH(tcp-wrappers,
 776         [  --with-tcp-wrappers     Enable tcpwrappers support],
 777         [
 778                 if test "x$withval" != "xno" ; then
 779                         saved_LIBS="$LIBS"
 780                         LIBS="$LIBS -lwrap"
 781                         AC_MSG_CHECKING(for libwrap)
 782                         AC_TRY_LINK(
 783                                 [
 784 #include <tcpd.h>
 785                                         int deny_severity = 0, allow_severity = 0;
 786                                 ],
 787                                 [hosts_access(0);],
 788                                 [
 789                                         AC_MSG_RESULT(yes)
 790                                         AC_DEFINE(LIBWRAP)
 791                                 ],
 792                                 [
 793                                         AC_MSG_RESULT(no)
 794                                         AC_MSG_WARN([*** libwrap missing - tcpwrapper support disabled ***])
 795                                         LIBS="$saved_LIBS"
 796                                 ]
 797                         )
 798                 fi
 799         ]
 800 )
 801
 802 # Check whether to enable MD5 passwords
 803 AC_ARG_WITH(md5-passwords,
 804         [  --with-md5-passwords    Enable use of MD5 passwords],
 805         [
 806                 if test "x$withval" != "xno" ; then
 807                         AC_DEFINE(HAVE_MD5_PASSWORDS)
 808                 fi
 809         ]
 810 )
 811
 812 # Whether to disable shadow password support
 813 AC_ARG_WITH(shadow,
 814         [  --without-shadow        Disable shadow password support],
 815         [
 816                 if test "x$withval" = "xno" ; then
 817                         AC_DEFINE(DISABLE_SHADOW)
 818                 fi
 819         ]
 820 )
 821
 822 # Use ip address instead of hostname in $DISPLAY
 823 AC_ARG_WITH(ipaddr-display,
 824         [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
 825         [
 826                 if test "x$withval" = "xno" ; then
 827                         AC_DEFINE(IPADDR_IN_DISPLAY)
 828                 fi
 829         ]
 830 )
 831
 832 # Whether to mess with the default path
 833 AC_ARG_WITH(default-path,
 834         [  --with-default-path=PATH Specify default \$PATH environment for server],
 835         [
 836                 if test "x$withval" != "xno" ; then
 837                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
 838                 fi
 839         ]
 840 )
 841
 842 # Whether to force IPv4 by default (needed on broken glibc Linux)
 843 AC_ARG_WITH(ipv4-default,
 844         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
 845         [
 846                 if test "x$withval" != "xno" ; then
 847                         AC_DEFINE(IPV4_DEFAULT)
 848                 fi
 849         ]
 850 )
 851
 852 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
 853 AC_ARG_WITH(4in6,
 854         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
 855         [
 856                 if test "x$withval" != "xno" ; then
 857                         AC_MSG_RESULT(yes)
 858                         AC_DEFINE(IPV4_IN_IPV6)
 859                 else
 860                         AC_MSG_RESULT(no)
 861                 fi
 862         ],[
 863                 if test "x$inet6_default_4in6" = "xyes"; then
 864                         AC_MSG_RESULT([yes (default)])
 865                         AC_DEFINE(IPV4_IN_IPV6)
 866                 else
 867                         AC_MSG_RESULT([no (default)])
 868                 fi
 869         ]
 870 )
 871
 872 # Where to place sshd.pid
 873 piddir=/var/run
 874 AC_ARG_WITH(pid-dir,
 875         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
 876         [
 877                 if test "x$withval" != "xno" ; then
 878                         piddir=$withval
 879                 fi
 880         ]
 881 )
 882
 883 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
 884 AC_SUBST(piddir)
 885
 886 dnl allow user to disable some login recording features
 887 AC_ARG_ENABLE(lastlog,
 888         [ --disable-lastlog        disable use of lastlog even if detected [no]],
 889         [ AC_DEFINE(DISABLE_LASTLOG) ]
 890 )
 891 AC_ARG_ENABLE(utmp,
 892         [ --disable-utmp           disable use of utmp even if detected [no]],
 893         [ AC_DEFINE(DISABLE_UTMP) ]
 894 )
 895 AC_ARG_ENABLE(utmpx,
 896         [ --disable-utmpx          disable use of utmpx even if detected [no]],
 897         [ AC_DEFINE(DISABLE_UTMPX) ]
 898 )
 899 AC_ARG_ENABLE(wtmp,
 900         [ --disable-wtmp           disable use of wtmp even if detected [no]],
 901         [ AC_DEFINE(DISABLE_WTMP) ]
 902 )
 903 AC_ARG_ENABLE(wtmpx,
 904         [ --disable-wtmpx          disable use of wtmpx even if detected [no]],
 905         [ AC_DEFINE(DISABLE_WTMPX) ]
 906 )
 907 AC_ARG_ENABLE(libutil,
 908         [ --disable-libutil        disable use of libutil (login() etc.) [no]],
 909         [ AC_DEFINE(DISABLE_LOGIN) ]
 910 )
 911 AC_ARG_ENABLE(pututline,
 912         [ --disable-pututline      disable use of pututline() etc. ([uw]tmp) [no]],
 913         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
 914 )
 915 AC_ARG_ENABLE(pututxline,
 916         [ --disable-pututxline      disable use of pututxline() etc. ([uw]tmpx) [no]],
 917         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
 918 )
 919 AC_ARG_WITH(lastlog,
 920   [ --with-lastlog=FILE|DIR  specify lastlog location [common locations]],
 921   [ conf_lastlog_location="$withval";  ],)
 922
 923 dnl lastlog, [uw]tmpx? detection
 924 dnl  NOTE: set the paths in the platform section to avoid the
 925 dnl   need for command-line parameters
 926 dnl lastlog and [uw]tmp are subject to a file search if all else fails
 927
 928 dnl lastlog detection
 929 dnl  NOTE: the code itself will detect if lastlog is a directory
 930 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
 931 AC_TRY_COMPILE([
 932 #include <sys/types.h>
 933 #include <utmp.h>
 934 #ifdef HAVE_LASTLOG_H
 935 #  include <lastlog.h>
 936 #endif
 937 #ifdef PATHS_H
 938 #  include <paths.h>
 939 #endif
 940         ],
 941         [ char *lastlog = LASTLOG_FILE; ],
 942         [ AC_MSG_RESULT(yes) ],
 943         [ AC_MSG_RESULT(no)
 944           system_lastlog_path=no ]
 945 )
 946 if test -z "$conf_lastlog_location"; then
 947         if test x"$system_lastlog_path" = x"no" ; then
 948                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
 949                                 if test -e $f ; then
 950                                         conf_lastlog_location=$f
 951                                 fi
 952                 done
 953                 if test -z "$conf_lastlog_location"; then
 954                         AC_MSG_WARN([** Cannot find lastlog - disabling feature **])
 955                         AC_DEFINE(DISABLE_LASTLOG)
 956                 fi
 957         fi
 958 fi
 959
 960 if test -n "$conf_lastlog_location"; then
 961         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
 962 fi
 963
 964 dnl utmp detection
 965 AC_MSG_CHECKING([if your system defines UTMP_FILE])
 966 AC_TRY_COMPILE([
 967 #include <sys/types.h>
 968 #include <utmp.h>
 969 #ifdef PATHS_H
 970 #  include <paths.h>
 971 #endif
 972         ],
 973         [ char *utmp = UTMP_FILE; ],
 974         [ AC_MSG_RESULT(yes) ],
 975         [ AC_MSG_RESULT(no)
 976           system_utmp_path=no ]
 977 )
 978 if test -z "$conf_utmp_location"; then
 979         if test x"$system_utmp_path" = x"no" ; then
 980                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
 981                         if test -f $f ; then
 982                                 conf_utmp_location=$f
 983                         fi
 984                 done
 985                 if test -z "$conf_utmp_location"; then
 986                         AC_DEFINE(DISABLE_UTMP)
 987                 fi
 988         fi
 989 fi
 990 if test -n "$conf_utmp_location"; then
 991         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
 992 fi
 993
 994 dnl wtmp detection
 995 AC_MSG_CHECKING([if your system defines WTMP_FILE])
 996 AC_TRY_COMPILE([
 997 #include <sys/types.h>
 998 #include <utmp.h>
 999 #ifdef PATHS_H
1000 #  include <paths.h>
1001 #endif
1002         ],
1003         [ char *wtmp = WTMP_FILE; ],
1004         [ AC_MSG_RESULT(yes) ],
1005         [ AC_MSG_RESULT(no)
1006           system_wtmp_path=no ]
1007 )
1008 if test -z "$conf_wtmp_location"; then
1009         if test x"$system_wtmp_path" = x"no" ; then
1010                 for f in /usr/adm/wtmp /var/log/wtmp; do
1011                         if test -f $f ; then
1012                                 conf_wtmp_location=$f
1013                         fi
1014                 done
1015                 if test -z "$conf_wtmp_location"; then
1016                         AC_DEFINE(DISABLE_WTMP)
1017                 fi
1018         fi
1019 fi
1020 if test -n "$conf_wtmp_location"; then
1021         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1022 fi
1023
1024
1025 dnl utmpx detection - I don't know any system so perverse as to require
1026 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1027 dnl  there, though.
1028 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1029 AC_TRY_COMPILE([
1030 #include <sys/types.h>
1031 #include <utmp.h>
1032 #ifdef HAVE_UTMPX_H
1033 #include <utmpx.h>
1034 #endif
1035 #ifdef PATHS_H
1036 #  include <paths.h>
1037 #endif
1038         ],
1039         [ char *utmpx = UTMPX_FILE; ],
1040         [ AC_MSG_RESULT(yes) ],
1041         [ AC_MSG_RESULT(no)
1042           system_utmpx_path=no ]
1043 )
1044 if test -z "$conf_utmpx_location"; then
1045         if test x"$system_utmpx_path" = x"no" ; then
1046                 AC_DEFINE(DISABLE_UTMPX)
1047         fi
1048 else
1049         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1050 fi
1051
1052 dnl wtmpx detection
1053 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1054 AC_TRY_COMPILE([
1055 #include <sys/types.h>
1056 #include <utmp.h>
1057 #ifdef HAVE_UTMPX_H
1058 #include <utmpx.h>
1059 #endif
1060 #ifdef PATHS_H
1061 #  include <paths.h>
1062 #endif
1063         ],
1064         [ char *wtmpx = WTMPX_FILE; ],
1065         [ AC_MSG_RESULT(yes) ],
1066         [ AC_MSG_RESULT(no)
1067           system_wtmpx_path=no ]
1068 )
1069 if test -z "$conf_wtmpx_location"; then
1070         if test x"$system_wtmpx_path" = x"no" ; then
1071                 AC_DEFINE(DISABLE_WTMPX)
1072         fi
1073 else
1074         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1075 fi
1076
1077
1078 # Change default command timeout for builtin PRNG
1079 entropy_timeout=100
1080 AC_ARG_WITH(entropy-timeout,
1081         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1082         [
1083                 if test "x$withval" != "xno" ; then
1084                         entropy_timeout=$withval
1085                 fi
1086         ]
1087 )
1088 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1089
1090
1091 if test ! -z "$blibpath" ; then
1092         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1093         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1094 fi
1095
1096 AC_OUTPUT(Makefile ssh_prng_cmds)
1097
1098