configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8 AC_C_BIGENDIAN
   9
  10 # Checks for programs.
  11 AC_PROG_CPP
  12 AC_PROG_RANLIB
  13 AC_PROG_INSTALL
  14 AC_PATH_PROG(AR, ar)
  15 AC_PATH_PROG(PERL, perl5 perl)
  16 AC_SUBST(PERL)
  17 AC_PATH_PROG(ENT, ent)
  18 AC_SUBST(ENT)
  19 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  23
  24 if test -z "$AR" ; then
  25         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  26 fi
  27
  28 # Use LOGIN_PROGRAM from environment if possible
  29 if test ! -z "$LOGIN_PROGRAM" ; then
  30         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  31 else
  32         # Search for login
  33         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  34         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  35                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  36         fi
  37 fi
  38
  39 if test -z "$LD" ; then
  40         LD=$CC
  41 fi
  42 AC_SUBST(LD)
  43
  44 # C Compiler features
  45 AC_C_INLINE
  46 if test "$GCC" = "yes"; then
  47         CFLAGS="$CFLAGS -Wall"
  48 fi
  49
  50 # Check for some target-specific stuff
  51 case "$host" in
  52 *-*-aix*)
  53         AFS_LIBS="-lld"
  54         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  55         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  56         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  57                 blibpath="/usr/lib:/lib:/usr/local/lib"
  58         fi
  59         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  60         AC_DEFINE(BROKEN_GETADDRINFO)
  61         dnl AIX handles lastlog as part of its login message
  62         AC_DEFINE(DISABLE_LASTLOG)
  63         ;;
  64 *-*-cygwin*)
  65         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  66         AC_DEFINE(HAVE_CYGWIN)
  67         AC_DEFINE(DISABLE_SHADOW)
  68         AC_DEFINE(IPV4_DEFAULT)
  69         AC_DEFINE(IP_TOS_IS_BROKEN)
  70         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  71         no_libsocket=1
  72         no_libnsl=1
  73         MANTYPE=doc
  74         ;;
  75 *-*-dgux*)
  76         AC_DEFINE(IP_TOS_IS_BROKEN)
  77         MANTYPE=doc
  78         ;;
  79 *-*-hpux10*)
  80         if test -z "$GCC"; then
  81                 CFLAGS="$CFLAGS -Ae"
  82         fi
  83         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  84         IPADDR_IN_DISPLAY=yes
  85         AC_DEFINE(USE_PIPES)
  86         AC_DEFINE(DISABLE_SHADOW)
  87         AC_DEFINE(DISABLE_UTMP)
  88         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  89         LIBS="$LIBS -lsec"
  90         ;;
  91 *-*-hpux11*)
  92         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  93         IPADDR_IN_DISPLAY=yes
  94         AC_DEFINE(PAM_SUN_CODEBASE)
  95         AC_DEFINE(USE_PIPES)
  96         AC_DEFINE(DISABLE_SHADOW)
  97         AC_DEFINE(DISABLE_UTMP)
  98         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  99         LIBS="$LIBS -lsec"
 100         ;;
 101 *-*-irix5*)
 102         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 103         LDFLAGS="$LDFLAGS"
 104         PATH="$PATH:/usr/etc"
 105         no_libsocket=1
 106         no_libnsl=1
 107         AC_DEFINE(BROKEN_INET_NTOA)
 108         ;;
 109 *-*-irix6*)
 110         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 111         LDFLAGS="$LDFLAGS"
 112         PATH="$PATH:/usr/etc"
 113         AC_DEFINE(WITH_IRIX_ARRAY)
 114         AC_DEFINE(WITH_IRIX_PROJECT)
 115         AC_DEFINE(WITH_IRIX_AUDIT)
 116         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 117         no_libsocket=1
 118         no_libnsl=1
 119         AC_DEFINE(BROKEN_INET_NTOA)
 120         ;;
 121 *-*-linux*)
 122         no_dev_ptmx=1
 123         check_for_libcrypt_later=1
 124         AC_DEFINE(DONT_TRY_OTHER_AF)
 125         AC_DEFINE(PAM_TTY_KLUDGE)
 126         inet6_default_4in6=yes
 127         MANTYPE=doc
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 134         )
 135         MANTYPE=doc
 136         ;;
 137 *-*-netbsd*)
 138         need_dash_r=1
 139         MANTYPE=doc
 140         ;;
 141 *-*-freebsd*)
 142         check_for_libcrypt_later=1
 143         MANTYPE=doc
 144         ;;
 145 *-next-*)
 146         conf_lastlog_location="/usr/adm/lastlog"
 147         conf_utmp_location=/etc/utmp
 148         conf_wtmp_location=/usr/adm/wtmp
 149         MAIL=/usr/spool/mail
 150         AC_DEFINE(HAVE_NEXT)
 151         AC_DEFINE(BROKEN_REALPATH)
 152         AC_DEFINE(USE_PIPES)
 153         AC_DEFINE(BROKEN_SAVED_UIDS)
 154         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 155         CFLAGS="$CFLAGS"
 156         MANTYPE=doc
 157         ;;
 158 *-*-solaris*)
 159         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 160         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 161         need_dash_r=1
 162         AC_DEFINE(PAM_SUN_CODEBASE)
 163         # hardwire lastlog location (can't detect it on some versions)
 164         conf_lastlog_location="/var/adm/lastlog"
 165         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 166         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 167         if test "$sol2ver" -ge 8; then
 168                 AC_MSG_RESULT(yes)
 169                 AC_DEFINE(DISABLE_UTMP)
 170                 AC_DEFINE(DISABLE_WTMP)
 171         else
 172                 AC_MSG_RESULT(no)
 173         fi
 174         ;;
 175 *-*-sunos4*)
 176         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 177         AC_CHECK_FUNCS(getpwanam)
 178         AC_DEFINE(PAM_SUN_CODEBASE)
 179         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 180         conf_utmp_location=/etc/utmp
 181         conf_wtmp_location=/var/adm/wtmp
 182         conf_lastlog_location=/var/adm/lastlog
 183         AC_DEFINE(USE_PIPES)
 184         ;;
 185 *-ncr-sysv*)
 186         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 187         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 188         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 189         ;;
 190 *-sni-sysv*)
 191         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 192         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 193         IPADDR_IN_DISPLAY=yes
 194         AC_DEFINE(USE_PIPES)
 195         AC_DEFINE(IP_TOS_IS_BROKEN)
 196         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 197         LIBS="$LIBS -lgen -lnsl -lucb"
 198         ;;
 199 *-*-sysv4.2*)
 200         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 201         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 202         enable_suid_ssh=no
 203         AC_DEFINE(USE_PIPES)
 204         ;;
 205 *-*-sysv5*)
 206         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 207         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 208         enable_suid_ssh=no
 209         AC_DEFINE(USE_PIPES)
 210         ;;
 211 *-*-sysv*)
 212         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 213         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 214         LIBS="$LIBS -lgen -lsocket"
 215         ;;
 216 *-*-sco3.2v4*)
 217         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 220         rsh_path="/usr/bin/rcmd"
 221         RANLIB=true
 222         no_dev_ptmx=1
 223         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 224         AC_DEFINE(USE_PIPES)
 225         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 226         AC_DEFINE(DISABLE_SHADOW)
 227         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 228         AC_DEFINE(BROKEN_SAVED_UIDS)
 229         AC_CHECK_FUNCS(getluid setluid)
 230         ;;
 231 *-*-sco3.2v5*)
 232         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 233         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 234         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 235         no_dev_ptmx=1
 236         rsh_path="/usr/bin/rcmd"
 237         AC_DEFINE(USE_PIPES)
 238         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 239         AC_DEFINE(DISABLE_SHADOW)
 240         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 241         AC_CHECK_FUNCS(getluid setluid)
 242         ;;
 243 *-dec-osf*)
 244         if test ! -z "USE_SIA" ; then
 245                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 246                 if test -f /etc/sia/matrix.conf; then
 247                         AC_MSG_RESULT(yes)
 248                         AC_DEFINE(HAVE_OSF_SIA)
 249                         AC_DEFINE(DISABLE_LOGIN)
 250                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 251                 else
 252                         AC_MSG_RESULT(no)
 253                 fi
 254         fi
 255         ;;
 256 esac
 257
 258 # Allow user to specify flags
 259 AC_ARG_WITH(cflags,
 260         [  --with-cflags           Specify additional flags to pass to compiler],
 261         [
 262                 if test "x$withval" != "xno" ; then
 263                         CFLAGS="$CFLAGS $withval"
 264                 fi
 265         ]
 266 )
 267 AC_ARG_WITH(cppflags,
 268         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 269         [
 270                 if test "x$withval" != "xno"; then
 271                         CPPFLAGS="$CPPFLAGS $withval"
 272                 fi
 273         ]
 274 )
 275 AC_ARG_WITH(ldflags,
 276         [  --with-ldflags          Specify additional flags to pass to linker],
 277         [
 278                 if test "x$withval" != "xno" ; then
 279                         LDFLAGS="$LDFLAGS $withval"
 280                 fi
 281         ]
 282 )
 283 AC_ARG_WITH(libs,
 284         [  --with-libs             Specify additional libraries to link with],
 285         [
 286                 if test "x$withval" != "xno" ; then
 287                         LIBS="$LIBS $withval"
 288                 fi
 289         ]
 290 )
 291
 292 AC_ARG_WITH(pcre,
 293         [  --with-pcre             Override built in regex library with pcre],
 294         [
 295
 296                 AC_CHECK_LIB(pcre, pcre_info,
 297                         [
 298                                 AC_DEFINE(HAVE_LIBPCRE)
 299                                 LIBS="$LIBS -lpcreposix -lpcre"
 300                                 no_comp_check="yes"
 301                         ],
 302                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 303                 )
 304         ]
 305 )
 306
 307 # Checks for libraries.
 308 if test -z "$no_libnsl" ; then
 309         AC_CHECK_LIB(nsl, yp_match, , )
 310 fi
 311 if test -z "$no_libsocket" ; then
 312         AC_CHECK_LIB(socket, main, , )
 313 fi
 314
 315 dnl SCO OS3 needs this for libwrap
 316 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 317
 318 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 319 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 320 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 321
 322 # We don't want to check if we did an pcre override.
 323 if test -z "$no_comp_check" ; then
 324         AC_CHECK_FUNC(regcomp,
 325                 [ AC_DEFINE(HAVE_REGCOMP)],
 326                 [
 327                         AC_CHECK_LIB(pcre, pcre_info,
 328                         [
 329                                 AC_DEFINE(HAVE_LIBPCRE)
 330                                 LIBS="$LIBS -lpcreposix -lpcre"
 331                         ],
 332                         [
 333                                 AC_MSG_ERROR([*** No regex library found.])
 334                         ])
 335                 ]
 336         )
 337 fi
 338
 339 dnl UnixWare 2.x
 340 AC_CHECK_FUNC(strcasecmp,
 341         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 342 )
 343 AC_CHECK_FUNC(utimes,
 344         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 345 )
 346
 347 AC_FUNC_STRFTIME
 348
 349 # Checks for header files.
 350 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h glob.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 regex.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 351
 352 # Check for ALTDIRFUNC glob() extension
 353 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 354 AC_EGREP_CPP(FOUNDIT,
 355         [
 356                 #include <glob.h>
 357                 #ifdef GLOB_ALTDIRFUNC
 358                 FOUNDIT
 359                 #endif
 360         ],
 361         [
 362                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 363                 AC_MSG_RESULT(yes)
 364         ],
 365         [
 366                 AC_MSG_RESULT(no)
 367         ]
 368 )
 369
 370 # Check for g.gl_matchc glob() extension
 371 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 372 AC_EGREP_CPP(FOUNDIT,
 373         [
 374                 #include <glob.h>
 375                 int main(void){glob_t g; g.gl_matchc = 1;}
 376         ],
 377         [
 378                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 379                 AC_MSG_RESULT(yes)
 380         ],
 381         [
 382                 AC_MSG_RESULT(no)
 383         ]
 384 )
 385
 386 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 387 AC_TRY_RUN(
 388         [
 389 #include <sys/types.h>
 390 #include <dirent.h>
 391 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 392         ],
 393         [AC_MSG_RESULT(yes)],
 394         [
 395                 AC_MSG_RESULT(no)
 396                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 397         ]
 398 )
 399
 400 # Check whether user wants S/Key support
 401 SKEY_MSG="no"
 402 AC_ARG_WITH(skey,
 403         [  --with-skey=PATH         Enable S/Key support],
 404         [
 405                 if test "x$withval" != "xno" ; then
 406
 407                         if test "x$withval" != "xyes" ; then
 408                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 409                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 410                         fi
 411
 412                         AC_DEFINE(SKEY)
 413                         LIBS="-lskey $LIBS"
 414                         SKEY_MSG="yes"
 415
 416                         AC_CHECK_FUNC(skey_keyinfo,
 417                                 [],
 418                                 [
 419                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 420                                 ])
 421                 fi
 422         ]
 423 )
 424
 425 # Check whether user wants TCP wrappers support
 426 TCPW_MSG="no"
 427 AC_ARG_WITH(tcp-wrappers,
 428         [  --with-tcp-wrappers     Enable tcpwrappers support],
 429         [
 430                 if test "x$withval" != "xno" ; then
 431                         saved_LIBS="$LIBS"
 432                         LIBS="-lwrap $LIBS"
 433                         AC_MSG_CHECKING(for libwrap)
 434                         AC_TRY_LINK(
 435                                 [
 436 #include <tcpd.h>
 437                                         int deny_severity = 0, allow_severity = 0;
 438                                 ],
 439                                 [hosts_access(0);],
 440                                 [
 441                                         AC_MSG_RESULT(yes)
 442                                         AC_DEFINE(LIBWRAP)
 443                                         TCPW_MSG="yes"
 444                                 ],
 445                                 [
 446                                         AC_MSG_ERROR([*** libwrap missing])
 447                                 ]
 448                         )
 449                 fi
 450         ]
 451 )
 452
 453 dnl    Checks for library functions.
 454 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent getusershell glob inet_aton inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv setegid seteuid setlogin setproctitle setresgid setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 455 dnl    Checks for time functions
 456 AC_CHECK_FUNCS(gettimeofday time)
 457 dnl    Checks for libutil functions
 458 AC_CHECK_HEADERS(libutil.h)
 459 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 460 dnl    Checks for utmp functions
 461 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 462 AC_CHECK_FUNCS(utmpname)
 463 dnl    Checks for utmpx functions
 464 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 465 AC_CHECK_FUNCS(setutxent utmpxname)
 466
 467 AC_CHECK_FUNC(getuserattr,
 468         [AC_DEFINE(HAVE_GETUSERATTR)],
 469         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 470 )
 471
 472 AC_CHECK_FUNC(login,
 473         [AC_DEFINE(HAVE_LOGIN)],
 474         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 475 )
 476
 477 AC_CHECK_FUNC(daemon,
 478         [AC_DEFINE(HAVE_DAEMON)],
 479         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 480 )
 481
 482 AC_CHECK_FUNC(getpagesize,
 483         [AC_DEFINE(HAVE_GETPAGESIZE)],
 484         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 485 )
 486
 487 # Check for broken snprintf
 488 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 489         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 490         AC_TRY_RUN(
 491                 [
 492 #include <stdio.h>
 493 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 494                 ],
 495                 [AC_MSG_RESULT(yes)],
 496                 [
 497                         AC_MSG_RESULT(no)
 498                         AC_DEFINE(BROKEN_SNPRINTF)
 499                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 500                 ]
 501         )
 502 fi
 503
 504 AC_FUNC_GETPGRP
 505
 506 # Check for PAM libs
 507 PAM_MSG="no"
 508 AC_ARG_WITH(pam,
 509         [  --with-pam              Enable PAM support ],
 510         [
 511                 if test "x$withval" != "xno" ; then
 512                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 513                                 AC_MSG_ERROR([PAM headers not found])
 514                         fi
 515
 516                         AC_CHECK_LIB(dl, dlopen, , )
 517                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 518                         AC_CHECK_FUNCS(pam_getenvlist)
 519
 520                         disable_shadow=yes
 521                         PAM_MSG="yes"
 522
 523                         AC_DEFINE(USE_PAM)
 524                 fi
 525         ]
 526 )
 527
 528 # Check for older PAM
 529 if test "x$PAM_MSG" = "xyes" ; then
 530         # Check PAM strerror arguments (old PAM)
 531         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 532         AC_TRY_COMPILE(
 533                 [
 534 #include <stdlib.h>
 535 #include <security/pam_appl.h>
 536                 ],
 537                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 538                 [AC_MSG_RESULT(no)],
 539                 [
 540                         AC_DEFINE(HAVE_OLD_PAM)
 541                         AC_MSG_RESULT(yes)
 542                         PAM_MSG="yes (old library)"
 543                 ]
 544         )
 545 fi
 546
 547 # The big search for OpenSSL
 548 AC_ARG_WITH(ssl-dir,
 549         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 550         [
 551                 if test "x$withval" != "xno" ; then
 552                         tryssldir=$withval
 553                 fi
 554         ]
 555 )
 556
 557 saved_LIBS="$LIBS"
 558 saved_LDFLAGS="$LDFLAGS"
 559 saved_CPPFLAGS="$CPPFLAGS"
 560 if test "x$prefix" != "xNONE" ; then
 561         tryssldir="$tryssldir $prefix"
 562 fi
 563 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 564         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 565                 CPPFLAGS="$saved_CPPFLAGS"
 566                 LDFLAGS="$saved_LDFLAGS"
 567                 LIBS="$saved_LIBS -lcrypto"
 568
 569                 # Skip directories if they don't exist
 570                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 571                         continue;
 572                 fi
 573                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 574                         # Try to use $ssldir/lib if it exists, otherwise
 575                         # $ssldir
 576                         if test -d "$ssldir/lib" ; then
 577                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 578                                 if test ! -z "$need_dash_r" ; then
 579                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 580                                 fi
 581                         else
 582                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 583                                 if test ! -z "$need_dash_r" ; then
 584                                         LDFLAGS="-R$ssldir $LDFLAGS"
 585                                 fi
 586                         fi
 587                         # Try to use $ssldir/include if it exists, otherwise
 588                         # $ssldir
 589                         if test -d "$ssldir/include" ; then
 590                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 591                         else
 592                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 593                         fi
 594                 fi
 595
 596                 # Basic test to check for compatible version and correct linking
 597                 # *does not* test for RSA - that comes later.
 598                 AC_TRY_RUN(
 599                         [
 600 #include <string.h>
 601 #include <openssl/rand.h>
 602 int main(void)
 603 {
 604         char a[2048];
 605         memset(a, 0, sizeof(a));
 606         RAND_add(a, sizeof(a), sizeof(a));
 607         return(RAND_status() <= 0);
 608 }
 609                         ],
 610                         [
 611                                 found_crypto=1
 612                                 break;
 613                         ], []
 614                 )
 615
 616                 if test ! -z "$found_crypto" ; then
 617                         break;
 618                 fi
 619         done
 620
 621         if test -z "$found_crypto" ; then
 622                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 623         fi
 624         if test -z "$ssldir" ; then
 625                 ssldir="(system)"
 626         fi
 627
 628         ac_cv_openssldir=$ssldir
 629 ])
 630
 631 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 632         AC_DEFINE(HAVE_OPENSSL)
 633         dnl Need to recover ssldir - test above runs in subshell
 634         ssldir=$ac_cv_openssldir
 635         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 636                 # Try to use $ssldir/lib if it exists, otherwise
 637                 # $ssldir
 638                 if test -d "$ssldir/lib" ; then
 639                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 640                         if test ! -z "$need_dash_r" ; then
 641                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 642                         fi
 643                 else
 644                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 645                         if test ! -z "$need_dash_r" ; then
 646                                 LDFLAGS="-R$ssldir $LDFLAGS"
 647                         fi
 648                 fi
 649                 # Try to use $ssldir/include if it exists, otherwise
 650                 # $ssldir
 651                 if test -d "$ssldir/include" ; then
 652                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 653                 else
 654                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 655                 fi
 656         fi
 657 fi
 658 LIBS="$saved_LIBS -lcrypto"
 659
 660 # Now test RSA support
 661 saved_LIBS="$LIBS"
 662 AC_MSG_CHECKING([for RSA support])
 663 for WANTS_RSAREF in "" 1 ; do
 664         if test -z "$WANTS_RSAREF" ; then
 665                 LIBS="$saved_LIBS"
 666         else
 667                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 668         fi
 669         AC_TRY_RUN([
 670 #include <string.h>
 671 #include <openssl/rand.h>
 672 #include <openssl/rsa.h>
 673 #include <openssl/bn.h>
 674 #include <openssl/sha.h>
 675 int main(void)
 676 {
 677         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 678         unsigned char c[256], p[256];
 679         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 680         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 681         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 682         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 683 }
 684         ],
 685         [
 686                 rsa_works=1
 687                 break;
 688         ], [])
 689 done
 690
 691 if test ! -z "$no_rsa" ; then
 692         AC_MSG_RESULT(disabled)
 693         RSA_MSG="disabled"
 694 else
 695         if test -z "$rsa_works" ; then
 696                 AC_MSG_WARN([*** No RSA support found *** ])
 697                 RSA_MSG="no"
 698         else
 699                 if test -z "$WANTS_RSAREF" ; then
 700                         AC_MSG_RESULT(yes)
 701                         RSA_MSG="yes"
 702                 else
 703                         RSA_MSG="yes (using RSAref)"
 704                         AC_MSG_RESULT(using RSAref)
 705                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 706                 fi
 707         fi
 708 fi
 709
 710 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 711 # version in OpenSSL. Skip this for PAM
 712 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 713         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 714 fi
 715
 716 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 717 if test ! -z "$SONY" ; then
 718   LIBS="$LIBS -liberty";
 719 fi
 720
 721 # Checks for data types
 722 AC_CHECK_SIZEOF(char, 1)
 723 AC_CHECK_SIZEOF(short int, 2)
 724 AC_CHECK_SIZEOF(int, 4)
 725 AC_CHECK_SIZEOF(long int, 4)
 726 AC_CHECK_SIZEOF(long long int, 8)
 727
 728 # More checks for data types
 729 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 730         AC_TRY_COMPILE(
 731                 [ #include <sys/types.h> ],
 732                 [ u_int a; a = 1;],
 733                 [ ac_cv_have_u_int="yes" ],
 734                 [ ac_cv_have_u_int="no" ]
 735         )
 736 ])
 737 if test "x$ac_cv_have_u_int" = "xyes" ; then
 738         AC_DEFINE(HAVE_U_INT)
 739         have_u_int=1
 740 fi
 741
 742 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 743         AC_TRY_COMPILE(
 744                 [ #include <sys/types.h> ],
 745                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 746                 [ ac_cv_have_intxx_t="yes" ],
 747                 [ ac_cv_have_intxx_t="no" ]
 748         )
 749 ])
 750 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 751         AC_DEFINE(HAVE_INTXX_T)
 752         have_intxx_t=1
 753 fi
 754
 755 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 756         AC_TRY_COMPILE(
 757                 [ #include <sys/types.h> ],
 758                 [ int64_t a; a = 1;],
 759                 [ ac_cv_have_int64_t="yes" ],
 760                 [ ac_cv_have_int64_t="no" ]
 761         )
 762 ])
 763 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 764         AC_DEFINE(HAVE_INT64_T)
 765         have_int64_t=1
 766 fi
 767
 768 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 769         AC_TRY_COMPILE(
 770                 [ #include <sys/types.h> ],
 771                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 772                 [ ac_cv_have_u_intxx_t="yes" ],
 773                 [ ac_cv_have_u_intxx_t="no" ]
 774         )
 775 ])
 776 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 777         AC_DEFINE(HAVE_U_INTXX_T)
 778         have_u_intxx_t=1
 779 fi
 780
 781 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 782         AC_TRY_COMPILE(
 783                 [ #include <sys/types.h> ],
 784                 [ u_int64_t a; a = 1;],
 785                 [ ac_cv_have_u_int64_t="yes" ],
 786                 [ ac_cv_have_u_int64_t="no" ]
 787         )
 788 ])
 789 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 790         AC_DEFINE(HAVE_U_INT64_T)
 791         have_u_int64_t=1
 792 fi
 793
 794 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 795            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 796 then
 797         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 798         AC_TRY_COMPILE(
 799                 [
 800 #include <sys/bitypes.h>
 801                 ],
 802                 [
 803                         int8_t a; int16_t b; int32_t c;
 804                         u_int8_t e; u_int16_t f; u_int32_t g;
 805                         a = b = c = e = f = g = 1;
 806                 ],
 807                 [
 808                         AC_DEFINE(HAVE_U_INTXX_T)
 809                         AC_DEFINE(HAVE_INTXX_T)
 810                         AC_MSG_RESULT(yes)
 811                 ],
 812                 [AC_MSG_RESULT(no)]
 813         )
 814 fi
 815
 816 if test -z "$have_u_intxx_t" ; then
 817         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 818                 AC_TRY_COMPILE(
 819                         [
 820 #include <sys/types.h>
 821                         ],
 822                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 823                         [ ac_cv_have_uintxx_t="yes" ],
 824                         [ ac_cv_have_uintxx_t="no" ]
 825                 )
 826         ])
 827         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 828                 AC_DEFINE(HAVE_UINTXX_T)
 829         fi
 830 fi
 831
 832 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 833         AC_TRY_COMPILE(
 834                 [
 835 #include <sys/types.h>
 836 #include <sys/socket.h>
 837                 ],
 838                 [socklen_t foo; foo = 1235;],
 839                 [ ac_cv_have_socklen_t="yes" ],
 840                 [ ac_cv_have_socklen_t="no" ]
 841         )
 842 ])
 843 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 844         AC_DEFINE(HAVE_SOCKLEN_T)
 845 fi
 846
 847 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 848         AC_TRY_COMPILE(
 849                 [
 850 #include <sys/types.h>
 851                 ],
 852                 [ size_t foo; foo = 1235; ],
 853                 [ ac_cv_have_size_t="yes" ],
 854                 [ ac_cv_have_size_t="no" ]
 855         )
 856 ])
 857 if test "x$ac_cv_have_size_t" = "xyes" ; then
 858         AC_DEFINE(HAVE_SIZE_T)
 859 fi
 860
 861 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 862         AC_TRY_COMPILE(
 863                 [
 864 #include <sys/types.h>
 865                 ],
 866                 [ ssize_t foo; foo = 1235; ],
 867                 [ ac_cv_have_ssize_t="yes" ],
 868                 [ ac_cv_have_ssize_t="no" ]
 869         )
 870 ])
 871 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 872         AC_DEFINE(HAVE_SSIZE_T)
 873 fi
 874
 875 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 876         AC_TRY_COMPILE(
 877                 [
 878 #include <time.h>
 879                 ],
 880                 [ clock_t foo; foo = 1235; ],
 881                 [ ac_cv_have_clock_t="yes" ],
 882                 [ ac_cv_have_clock_t="no" ]
 883         )
 884 ])
 885 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 886         AC_DEFINE(HAVE_CLOCK_T)
 887 fi
 888
 889 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 890         AC_TRY_COMPILE(
 891                 [
 892 #include <sys/types.h>
 893 #include <sys/socket.h>
 894                 ],
 895                 [ sa_family_t foo; foo = 1235; ],
 896                 [ ac_cv_have_sa_family_t="yes" ],
 897                 [ AC_TRY_COMPILE(
 898                   [
 899 #include <sys/types.h>
 900 #include <sys/socket.h>
 901 #include <netinet/in.h>
 902                 ],
 903                 [ sa_family_t foo; foo = 1235; ],
 904                 [ ac_cv_have_sa_family_t="yes" ],
 905
 906                 [ ac_cv_have_sa_family_t="no" ]
 907         )]
 908         )
 909 ])
 910 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 911         AC_DEFINE(HAVE_SA_FAMILY_T)
 912 fi
 913
 914 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 915         AC_TRY_COMPILE(
 916                 [
 917 #include <sys/types.h>
 918                 ],
 919                 [ pid_t foo; foo = 1235; ],
 920                 [ ac_cv_have_pid_t="yes" ],
 921                 [ ac_cv_have_pid_t="no" ]
 922         )
 923 ])
 924 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 925         AC_DEFINE(HAVE_PID_T)
 926 fi
 927
 928 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 929         AC_TRY_COMPILE(
 930                 [
 931 #include <sys/types.h>
 932                 ],
 933                 [ mode_t foo; foo = 1235; ],
 934                 [ ac_cv_have_mode_t="yes" ],
 935                 [ ac_cv_have_mode_t="no" ]
 936         )
 937 ])
 938 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 939         AC_DEFINE(HAVE_MODE_T)
 940 fi
 941
 942
 943 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 944         AC_TRY_COMPILE(
 945                 [
 946 #include <sys/types.h>
 947 #include <sys/socket.h>
 948                 ],
 949                 [ struct sockaddr_storage s; ],
 950                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 951                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 952         )
 953 ])
 954 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 955         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 956 fi
 957
 958 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 959         AC_TRY_COMPILE(
 960                 [
 961 #include <sys/types.h>
 962 #include <netinet/in.h>
 963                 ],
 964                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 965                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 966                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 967         )
 968 ])
 969 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 970         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 971 fi
 972
 973 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 974         AC_TRY_COMPILE(
 975                 [
 976 #include <sys/types.h>
 977 #include <netinet/in.h>
 978                 ],
 979                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 980                 [ ac_cv_have_struct_in6_addr="yes" ],
 981                 [ ac_cv_have_struct_in6_addr="no" ]
 982         )
 983 ])
 984 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 985         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 986 fi
 987
 988 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 989         AC_TRY_COMPILE(
 990                 [
 991 #include <sys/types.h>
 992 #include <sys/socket.h>
 993 #include <netdb.h>
 994                 ],
 995                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 996                 [ ac_cv_have_struct_addrinfo="yes" ],
 997                 [ ac_cv_have_struct_addrinfo="no" ]
 998         )
 999 ])
1000 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1001         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1002 fi
1003
1004 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1005         AC_TRY_COMPILE(
1006                 [ #include <sys/time.h> ],
1007                 [ struct timeval tv; tv.tv_sec = 1;],
1008                 [ ac_cv_have_struct_timeval="yes" ],
1009                 [ ac_cv_have_struct_timeval="no" ]
1010         )
1011 ])
1012 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1013         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1014         have_struct_timeval=1
1015 fi
1016
1017 # If we don't have int64_t then we can't compile sftp-server.  So don't
1018 # even attempt to do it.
1019 if test "x$ac_cv_have_int64_t" = "xno" -a \
1020         "x$ac_cv_sizeof_long_int" != "x8" -a \
1021         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1022         NO_SFTP='#'
1023 else
1024 dnl test snprintf (broken on SCO w/gcc)
1025         AC_TRY_RUN(
1026                 [
1027 #include <stdio.h>
1028 #include <string.h>
1029 #ifdef HAVE_SNPRINTF
1030 main()
1031 {
1032         char buf[50];
1033         char expected_out[50];
1034         int mazsize = 50 ;
1035 #if (SIZEOF_LONG_INT == 8)
1036         long int num = 0x7fffffffffffffff;
1037 #else
1038         long long num = 0x7fffffffffffffff;
1039 #endif
1040         strcpy(expected_out, "9223372036854775807");
1041         snprintf(buf, mazsize, "%lld", num);
1042         if(strcmp(buf, expected_out) != 0)
1043                 exit(1);
1044         exit(0);
1045 }
1046 #else
1047 main() { exit(0); }
1048 #endif
1049                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1050         )
1051 fi
1052 AC_SUBST(NO_SFTP)
1053
1054 dnl Checks for structure members
1055 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1056 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1057 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1058 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1059 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1060 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1061 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1062 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1063 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1064 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1065 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1066 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1067 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1068 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1069 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1072 AC_STRUCT_ST_BLKSIZE
1073
1074 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1075                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1076         AC_TRY_COMPILE(
1077                 [
1078 #include <sys/types.h>
1079 #include <sys/socket.h>
1080                 ],
1081                 [ struct sockaddr_un s; s.sun_len = 1; ],
1082                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1083                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1084         )
1085 ])
1086 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1087         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1088 fi
1089
1090 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1091                 ac_cv_have_ss_family_in_struct_ss, [
1092         AC_TRY_COMPILE(
1093                 [
1094 #include <sys/types.h>
1095 #include <sys/socket.h>
1096                 ],
1097                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1098                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1099                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1100         )
1101 ])
1102 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1103         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1104 fi
1105
1106 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1107                 ac_cv_have___ss_family_in_struct_ss, [
1108         AC_TRY_COMPILE(
1109                 [
1110 #include <sys/types.h>
1111 #include <sys/socket.h>
1112                 ],
1113                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1114                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1115                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1116         )
1117 ])
1118 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1119         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1120 fi
1121
1122 AC_CACHE_CHECK([for pw_class field in struct passwd],
1123                 ac_cv_have_pw_class_in_struct_passwd, [
1124         AC_TRY_COMPILE(
1125                 [
1126 #include <pwd.h>
1127                 ],
1128                 [ struct passwd p; p.pw_class = 0; ],
1129                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1130                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1131         )
1132 ])
1133 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1134         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1135 fi
1136
1137
1138 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1139         AC_TRY_LINK([],
1140                 [ extern char *__progname; printf("%s", __progname); ],
1141                 [ ac_cv_libc_defines___progname="yes" ],
1142                 [ ac_cv_libc_defines___progname="no" ]
1143         )
1144 ])
1145 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1146         AC_DEFINE(HAVE___PROGNAME)
1147 fi
1148
1149
1150 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1151         AC_TRY_LINK([],
1152                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1153                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1154                 [ ac_cv_libc_defines_sys_errlist="no" ]
1155         )
1156 ])
1157 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1158         AC_DEFINE(HAVE_SYS_ERRLIST)
1159 fi
1160
1161
1162 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1163         AC_TRY_LINK([],
1164                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1165                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1166                 [ ac_cv_libc_defines_sys_nerr="no" ]
1167         )
1168 ])
1169 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1170         AC_DEFINE(HAVE_SYS_NERR)
1171 fi
1172
1173
1174 # Check whether user wants Kerberos support
1175 KRB4_MSG="no"
1176 AC_ARG_WITH(kerberos4,
1177         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1178         [
1179                 if test "x$withval" != "xno" ; then
1180
1181                         if test "x$withval" != "xyes" ; then
1182                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1183                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1184                                 if test ! -z "$need_dash_r" ; then
1185                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1186                                 fi
1187                                 if test ! -z "$blibpath" ; then
1188                                         blibpath="$blibpath:${withval}/lib"
1189                                 fi
1190                         else
1191                                 if test -d /usr/include/kerberosIV ; then
1192                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1193                                 fi
1194                         fi
1195
1196                         AC_CHECK_HEADERS(krb.h)
1197                         if test "$ac_cv_header_krb_h" != yes; then
1198                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1199                         fi
1200                         AC_CHECK_LIB(krb, main)
1201                         if test "$ac_cv_lib_krb_main" != yes; then
1202                                 AC_CHECK_LIB(krb4, main)
1203                                 if test "$ac_cv_lib_krb4_main" != yes; then
1204                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1205                                 else
1206                                         KLIBS="-lkrb4"
1207                                 fi
1208                         else
1209                                 KLIBS="-lkrb"
1210                         fi
1211                         AC_CHECK_LIB(des, des_cbc_encrypt)
1212                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1213                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1214                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1215                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1216                                 else
1217                                         KLIBS="-ldes425"
1218                                 fi
1219                         else
1220                                 KLIBS="-ldes"
1221                         fi
1222                         AC_CHECK_LIB(resolv, dn_expand, , )
1223                         KRB4=yes
1224                         KRB4_MSG="yes"
1225                         AC_DEFINE(KRB4)
1226                 fi
1227         ]
1228 )
1229
1230 # Check whether user wants AFS support
1231 AFS_MSG="no"
1232 AC_ARG_WITH(afs,
1233         [  --with-afs=PATH         Enable AFS support],
1234         [
1235                 if test "x$withval" != "xno" ; then
1236
1237                         if test "x$withval" != "xyes" ; then
1238                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1239                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1240                         fi
1241
1242                         if test -z "$KRB4" ; then
1243                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1244                         fi
1245
1246                         LIBS="-lkafs $LIBS"
1247                         if test ! -z "$AFS_LIBS" ; then
1248                                 LIBS="$LIBS $AFS_LIBS"
1249                         fi
1250                         AC_DEFINE(AFS)
1251                         AFS_MSG="yes"
1252                 fi
1253         ]
1254 )
1255 LIBS="$LIBS $KLIBS"
1256
1257 # Looking for programs, paths and files
1258 AC_ARG_WITH(rsh,
1259         [  --with-rsh=PATH         Specify path to remote shell program ],
1260         [
1261                 if test "x$withval" != "$no" ; then
1262                         rsh_path=$withval
1263                 fi
1264         ],
1265         [
1266                 AC_PATH_PROG(rsh_path, rsh)
1267         ]
1268 )
1269
1270 AC_ARG_WITH(xauth,
1271         [  --with-xauth=PATH       Specify path to xauth program ],
1272         [
1273                 if test "x$withval" != "xno" ; then
1274                         xauth_path=$withval
1275                 fi
1276         ],
1277         [
1278                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1279                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1280                         xauth_path="/usr/openwin/bin/xauth"
1281                 fi
1282         ]
1283 )
1284
1285 if test -z "$xauth_path" ; then
1286         XAUTH_PATH="undefined"
1287         AC_SUBST(XAUTH_PATH)
1288 else
1289         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1290         XAUTH_PATH=$xauth_path
1291         AC_SUBST(XAUTH_PATH)
1292 fi
1293 if test ! -z "$rsh_path" ; then
1294         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1295 fi
1296
1297 # Check for mail directory (last resort if we cannot get it from headers)
1298 if test ! -z "$MAIL" ; then
1299         maildir=`dirname $MAIL`
1300         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1301 fi
1302
1303 if test -z "$no_dev_ptmx" ; then
1304         AC_CHECK_FILE("/dev/ptmx",
1305                 [
1306                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1307                         have_dev_ptmx=1
1308                 ]
1309         )
1310 fi
1311 AC_CHECK_FILE("/dev/ptc",
1312         [
1313                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1314                 have_dev_ptc=1
1315         ]
1316 )
1317
1318 # Options from here on. Some of these are preset by platform above
1319
1320 # Check for user-specified random device, otherwise check /dev/urandom
1321 AC_ARG_WITH(random,
1322         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1323         [
1324                 if test "x$withval" != "xno" ; then
1325                         RANDOM_POOL="$withval";
1326                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1327                 fi
1328         ],
1329         [
1330                 # Check for random device
1331                 AC_CHECK_FILE("/dev/urandom",
1332                         [
1333                                 RANDOM_POOL="/dev/urandom";
1334                                 AC_SUBST(RANDOM_POOL)
1335                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1336                         ]
1337                 )
1338         ]
1339 )
1340
1341 # Check for PRNGD/EGD pool file
1342 AC_ARG_WITH(prngd-port,
1343         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1344         [
1345                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1346                         PRNGD_PORT="$withval"
1347                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1348                 fi
1349         ]
1350 )
1351
1352 # Check for PRNGD/EGD pool file
1353 AC_ARG_WITH(prngd-socket,
1354         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1355         [
1356                 if test "x$withval" != "xno" ; then
1357                         PRNGD_SOCKET="$withval"
1358                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1359                 fi
1360         ],
1361         [
1362                 # Check for existing socket only if we don't have a random device already
1363                 if test -z "$RANDOM_POOL" ; then
1364                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1365                         # Insert other locations here
1366                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1367                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1368                                         PRNGD_SOCKET="$sock"
1369                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1370                                         break;
1371                                 fi
1372                         done
1373                         if test ! -z "$PRNGD_SOCKET" ; then
1374                                 AC_MSG_RESULT($PRNGD_SOCKET)
1375                         else
1376                                 AC_MSG_RESULT(not found)
1377                         fi
1378                 fi
1379         ]
1380 )
1381
1382
1383 # detect pathnames for entropy gathering commands, if we need them
1384 INSTALL_SSH_PRNG_CMDS=""
1385 rm -f prng_commands
1386 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1387         # Use these commands to collect entropy
1388         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1389         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1390         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1391         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1392         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1393         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1394         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1395         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1396         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1397         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1398         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1399         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1400         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1401         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1402
1403         INSTALL_SSH_PRNG_CMDS="yes"
1404 fi
1405 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1406
1407
1408 AC_ARG_WITH(catman,
1409         [  --with-mantype=man|cat|doc  Set man page type],
1410         [
1411                 case "$withval" in
1412                 man|cat|doc)
1413                         MANTYPE=$withval
1414                         ;;
1415                 *)
1416                         AC_MSG_ERROR(invalid man type: $withval)
1417                         ;;
1418                 esac
1419         ], [
1420                 if test -z "$MANTYPE" ; then
1421                         MANTYPE=man
1422                 fi
1423         ]
1424 )
1425 AC_SUBST(MANTYPE)
1426
1427 # Check whether to enable MD5 passwords
1428 MD5_MSG="no"
1429 AC_ARG_WITH(md5-passwords,
1430         [  --with-md5-passwords    Enable use of MD5 passwords],
1431         [
1432                 if test "x$withval" != "xno" ; then
1433                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1434                         MD5_MSG="yes"
1435                 fi
1436         ]
1437 )
1438
1439 # Whether to disable shadow password support
1440 AC_ARG_WITH(shadow,
1441         [  --without-shadow        Disable shadow password support],
1442         [
1443                 if test "x$withval" = "xno" ; then
1444                         AC_DEFINE(DISABLE_SHADOW)
1445                         disable_shadow=yes
1446                 fi
1447         ]
1448 )
1449
1450 if test -z "$disable_shadow" ; then
1451         AC_MSG_CHECKING([if the systems has expire shadow information])
1452         AC_TRY_COMPILE(
1453         [
1454 #include <sys/types.h>
1455 #include <shadow.h>
1456         struct spwd sp;
1457         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1458         [ sp_expire_available=yes ], []
1459         )
1460
1461         if test "x$sp_expire_available" = "xyes" ; then
1462                 AC_MSG_RESULT(yes)
1463                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1464         else
1465                 AC_MSG_RESULT(no)
1466         fi
1467 fi
1468
1469 # Use ip address instead of hostname in $DISPLAY
1470 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1471         DISPLAY_HACK_MSG="yes"
1472         AC_DEFINE(IPADDR_IN_DISPLAY)
1473 else
1474         DISPLAY_HACK_MSG="no"
1475         AC_ARG_WITH(ipaddr-display,
1476                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1477                 [
1478                         if test "x$withval" != "xno" ; then
1479                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1480                                 DISPLAY_HACK_MSG="yes"
1481                         fi
1482                 ]
1483         )
1484 fi
1485
1486 # Whether to mess with the default path
1487 SERVER_PATH_MSG="(default)"
1488 AC_ARG_WITH(default-path,
1489         [  --with-default-path=PATH Specify default \$PATH environment for server],
1490         [
1491                 if test "x$withval" != "xno" ; then
1492                         user_path="$withval"
1493                         SERVER_PATH_MSG="$withval"
1494                 fi
1495         ],
1496         [
1497         AC_TRY_RUN(
1498                 [
1499 /* find out what STDPATH is */
1500 #include <stdio.h>
1501 #ifdef HAVE_PATHS_H
1502 # include <paths.h>
1503 #endif
1504 #ifndef _PATH_STDPATH
1505 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1506 #endif
1507 #include <sys/types.h>
1508 #include <sys/stat.h>
1509 #include <fcntl.h>
1510 #define DATA "conftest.stdpath"
1511
1512 main()
1513 {
1514         FILE *fd;
1515         int rc;
1516
1517         fd = fopen(DATA,"w");
1518         if(fd == NULL)
1519                 exit(1);
1520
1521         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1522                 exit(1);
1523
1524         exit(0);
1525 }
1526                 ], [ user_path=`cat conftest.stdpath` ],
1527                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1528                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1529         )
1530 # make sure $bindir is in USER_PATH so scp will work
1531                 t_bindir=`eval echo ${bindir}`
1532                 case $t_bindir in
1533                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1534                 esac
1535                 case $t_bindir in
1536                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1537                 esac
1538                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1539                 if test $? -ne 0  ; then
1540                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1541                         if test $? -ne 0  ; then
1542                                 user_path=$user_path:$t_bindir
1543                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1544                         fi
1545                 fi
1546         ]
1547 )
1548 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1549 AC_SUBST(user_path)
1550
1551 # Whether to force IPv4 by default (needed on broken glibc Linux)
1552 IPV4_HACK_MSG="no"
1553 AC_ARG_WITH(ipv4-default,
1554         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1555         [
1556                 if test "x$withval" != "xno" ; then
1557                         AC_DEFINE(IPV4_DEFAULT)
1558                         IPV4_HACK_MSG="yes"
1559                 fi
1560         ]
1561 )
1562
1563 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1564 IPV4_IN6_HACK_MSG="no"
1565 AC_ARG_WITH(4in6,
1566         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1567         [
1568                 if test "x$withval" != "xno" ; then
1569                         AC_MSG_RESULT(yes)
1570                         AC_DEFINE(IPV4_IN_IPV6)
1571                         IPV4_IN6_HACK_MSG="yes"
1572                 else
1573                         AC_MSG_RESULT(no)
1574                 fi
1575         ],[
1576                 if test "x$inet6_default_4in6" = "xyes"; then
1577                         AC_MSG_RESULT([yes (default)])
1578                         AC_DEFINE(IPV4_IN_IPV6)
1579                         IPV4_IN6_HACK_MSG="yes"
1580                 else
1581                         AC_MSG_RESULT([no (default)])
1582                 fi
1583         ]
1584 )
1585
1586 # Whether to enable BSD auth support
1587 AC_ARG_WITH(bsd-auth,
1588         [  --with-bsd-auth         Enable BSD auth support],
1589         [
1590                 if test "x$withval" != "xno" ; then
1591                         AC_DEFINE(BSD_AUTH)
1592                         bsd_auth=yes
1593                 fi
1594         ]
1595 )
1596
1597 AC_MSG_CHECKING(whether to install ssh as suid root)
1598 AC_ARG_ENABLE(suid-ssh,
1599 [  --enable-suid-ssh       Install ssh as suid root (default)
1600   --disable-suid-ssh      Install ssh without suid bit],
1601 [ case "$enableval" in
1602   no)
1603        AC_MSG_RESULT(no)
1604        SSHMODE=0711
1605        ;;
1606   *)   AC_MSG_RESULT(yes)
1607        SSHMODE=04711
1608        ;;
1609   esac ],
1610   AC_MSG_RESULT(yes)
1611   SSHMODE=04711
1612 )
1613 AC_SUBST(SSHMODE)
1614
1615
1616 # Where to place sshd.pid
1617 piddir=/var/run
1618 AC_ARG_WITH(pid-dir,
1619         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1620         [
1621                 if test "x$withval" != "xno" ; then
1622                         piddir=$withval
1623                 fi
1624         ]
1625 )
1626
1627 # make sure the directory exists
1628 if test ! -d $piddir ; then
1629         piddir=`eval echo ${sysconfdir}`
1630         case $piddir in
1631                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1632         esac
1633 fi
1634
1635 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1636 AC_SUBST(piddir)
1637
1638 dnl allow user to disable some login recording features
1639 AC_ARG_ENABLE(lastlog,
1640         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1641         [ AC_DEFINE(DISABLE_LASTLOG) ]
1642 )
1643 AC_ARG_ENABLE(utmp,
1644         [  --disable-utmp          disable use of utmp even if detected [no]],
1645         [ AC_DEFINE(DISABLE_UTMP) ]
1646 )
1647 AC_ARG_ENABLE(utmpx,
1648         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1649         [ AC_DEFINE(DISABLE_UTMPX) ]
1650 )
1651 AC_ARG_ENABLE(wtmp,
1652         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1653         [ AC_DEFINE(DISABLE_WTMP) ]
1654 )
1655 AC_ARG_ENABLE(wtmpx,
1656         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1657         [ AC_DEFINE(DISABLE_WTMPX) ]
1658 )
1659 AC_ARG_ENABLE(libutil,
1660         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1661         [ AC_DEFINE(DISABLE_LOGIN) ]
1662 )
1663 AC_ARG_ENABLE(pututline,
1664         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1665         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1666 )
1667 AC_ARG_ENABLE(pututxline,
1668         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1669         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1670 )
1671 AC_ARG_WITH(lastlog,
1672   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1673         [
1674                 if test "x$withval" = "xno" ; then
1675                         AC_DEFINE(DISABLE_LASTLOG)
1676                 else
1677                         conf_lastlog_location=$withval
1678                 fi
1679         ]
1680 )
1681
1682 dnl lastlog, [uw]tmpx? detection
1683 dnl  NOTE: set the paths in the platform section to avoid the
1684 dnl   need for command-line parameters
1685 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1686
1687 dnl lastlog detection
1688 dnl  NOTE: the code itself will detect if lastlog is a directory
1689 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1690 AC_TRY_COMPILE([
1691 #include <sys/types.h>
1692 #include <utmp.h>
1693 #ifdef HAVE_LASTLOG_H
1694 #  include <lastlog.h>
1695 #endif
1696 #ifdef HAVE_PATHS_H
1697 #  include <paths.h>
1698 #endif
1699         ],
1700         [ char *lastlog = LASTLOG_FILE; ],
1701         [ AC_MSG_RESULT(yes) ],
1702         [
1703                 AC_MSG_RESULT(no)
1704                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1705                 AC_TRY_COMPILE([
1706 #include <sys/types.h>
1707 #include <utmp.h>
1708 #ifdef HAVE_LASTLOG_H
1709 #  include <lastlog.h>
1710 #endif
1711 #ifdef HAVE_PATHS_H
1712 #  include <paths.h>
1713 #endif
1714                 ],
1715                 [ char *lastlog = _PATH_LASTLOG; ],
1716                 [ AC_MSG_RESULT(yes) ],
1717                 [
1718                         AC_MSG_RESULT(no)
1719                         system_lastlog_path=no
1720                 ])
1721         ]
1722 )
1723
1724 if test -z "$conf_lastlog_location"; then
1725         if test x"$system_lastlog_path" = x"no" ; then
1726                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1727                                 if (test -d "$f" || test -f "$f") ; then
1728                                         conf_lastlog_location=$f
1729                                 fi
1730                 done
1731                 if test -z "$conf_lastlog_location"; then
1732                         AC_MSG_WARN([** Cannot find lastlog **])
1733                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1734                 fi
1735         fi
1736 fi
1737
1738 if test -n "$conf_lastlog_location"; then
1739         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1740 fi
1741
1742 dnl utmp detection
1743 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1744 AC_TRY_COMPILE([
1745 #include <sys/types.h>
1746 #include <utmp.h>
1747 #ifdef HAVE_PATHS_H
1748 #  include <paths.h>
1749 #endif
1750         ],
1751         [ char *utmp = UTMP_FILE; ],
1752         [ AC_MSG_RESULT(yes) ],
1753         [ AC_MSG_RESULT(no)
1754           system_utmp_path=no ]
1755 )
1756 if test -z "$conf_utmp_location"; then
1757         if test x"$system_utmp_path" = x"no" ; then
1758                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1759                         if test -f $f ; then
1760                                 conf_utmp_location=$f
1761                         fi
1762                 done
1763                 if test -z "$conf_utmp_location"; then
1764                         AC_DEFINE(DISABLE_UTMP)
1765                 fi
1766         fi
1767 fi
1768 if test -n "$conf_utmp_location"; then
1769         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1770 fi
1771
1772 dnl wtmp detection
1773 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1774 AC_TRY_COMPILE([
1775 #include <sys/types.h>
1776 #include <utmp.h>
1777 #ifdef HAVE_PATHS_H
1778 #  include <paths.h>
1779 #endif
1780         ],
1781         [ char *wtmp = WTMP_FILE; ],
1782         [ AC_MSG_RESULT(yes) ],
1783         [ AC_MSG_RESULT(no)
1784           system_wtmp_path=no ]
1785 )
1786 if test -z "$conf_wtmp_location"; then
1787         if test x"$system_wtmp_path" = x"no" ; then
1788                 for f in /usr/adm/wtmp /var/log/wtmp; do
1789                         if test -f $f ; then
1790                                 conf_wtmp_location=$f
1791                         fi
1792                 done
1793                 if test -z "$conf_wtmp_location"; then
1794                         AC_DEFINE(DISABLE_WTMP)
1795                 fi
1796         fi
1797 fi
1798 if test -n "$conf_wtmp_location"; then
1799         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1800 fi
1801
1802
1803 dnl utmpx detection - I don't know any system so perverse as to require
1804 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1805 dnl  there, though.
1806 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1807 AC_TRY_COMPILE([
1808 #include <sys/types.h>
1809 #include <utmp.h>
1810 #ifdef HAVE_UTMPX_H
1811 #include <utmpx.h>
1812 #endif
1813 #ifdef HAVE_PATHS_H
1814 #  include <paths.h>
1815 #endif
1816         ],
1817         [ char *utmpx = UTMPX_FILE; ],
1818         [ AC_MSG_RESULT(yes) ],
1819         [ AC_MSG_RESULT(no)
1820           system_utmpx_path=no ]
1821 )
1822 if test -z "$conf_utmpx_location"; then
1823         if test x"$system_utmpx_path" = x"no" ; then
1824                 AC_DEFINE(DISABLE_UTMPX)
1825         fi
1826 else
1827         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1828 fi
1829
1830 dnl wtmpx detection
1831 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1832 AC_TRY_COMPILE([
1833 #include <sys/types.h>
1834 #include <utmp.h>
1835 #ifdef HAVE_UTMPX_H
1836 #include <utmpx.h>
1837 #endif
1838 #ifdef HAVE_PATHS_H
1839 #  include <paths.h>
1840 #endif
1841         ],
1842         [ char *wtmpx = WTMPX_FILE; ],
1843         [ AC_MSG_RESULT(yes) ],
1844         [ AC_MSG_RESULT(no)
1845           system_wtmpx_path=no ]
1846 )
1847 if test -z "$conf_wtmpx_location"; then
1848         if test x"$system_wtmpx_path" = x"no" ; then
1849                 AC_DEFINE(DISABLE_WTMPX)
1850         fi
1851 else
1852         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1853 fi
1854
1855
1856 # Change default command timeout for builtin PRNG
1857 entropy_timeout=200
1858 AC_ARG_WITH(entropy-timeout,
1859         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1860         [
1861                 if test "x$withval" != "xno" ; then
1862                         entropy_timeout=$withval
1863                 fi
1864         ]
1865 )
1866 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1867
1868
1869 if test ! -z "$blibpath" ; then
1870         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1871         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1872 fi
1873
1874 AC_EXEEXT
1875
1876 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1877
1878 # Print summary of options
1879
1880 if test ! -z "$RANDOM_POOL" ; then
1881         RAND_MSG="Device ($RANDOM_POOL)"
1882 else
1883         if test ! -z "$PRNGD_PORT" ; then
1884                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1885         elif test ! -z "$PRNGD_SOCKET" ; then
1886                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1887         else
1888                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1889                 BUILTIN_RNG=1
1890         fi
1891 fi
1892
1893 # Someone please show me a better way :)
1894 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1895 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1896 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1897 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1898 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1899 F=`eval echo ${mandir}` ; F=`eval echo ${F}`
1900 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1901 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1902
1903 echo ""
1904 echo "OpenSSH has been configured with the following options:"
1905 echo "                 User binaries: $B"
1906 echo "               System binaries: $C"
1907 echo "           Configuration files: $D"
1908 echo "               Askpass program: $E"
1909 echo "                  Manual pages: $F"
1910 echo "                      PID file: $G"
1911 echo "        sshd default user PATH: $H"
1912 echo "      Random number collection: $RAND_MSG"
1913 echo "                Manpage format: $MANTYPE"
1914 echo "                   PAM support: ${PAM_MSG}"
1915 echo "            KerberosIV support: $KRB4_MSG"
1916 echo "                   AFS support: $AFS_MSG"
1917 echo "                 S/KEY support: $SKEY_MSG"
1918 echo "          TCP Wrappers support: $TCPW_MSG"
1919 echo "          MD5 password support: $MD5_MSG"
1920 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1921 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1922 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1923
1924 if test ! -z "$bsd_auth"; then
1925         echo "              BSD Auth support: yes"
1926 fi
1927
1928 echo ""
1929
1930 echo "              Host: ${host}"
1931 echo "          Compiler: ${CC}"
1932 echo "    Compiler flags: ${CFLAGS}"
1933 echo "Preprocessor flags: ${CPPFLAGS}"
1934 echo "      Linker flags: ${LDFLAGS}"
1935 echo "         Libraries: ${LIBS}"
1936
1937 echo ""
1938
1939 if test "x$PAM_MSG" = "xyes" ; then
1940         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1941         echo "otherwise password authentication may fail. Example PAM control files"
1942         echo "can be found in the contrib/ subdirectory"
1943         echo ""
1944 fi
1945
1946 if test ! -z "$BUILTIN_RNG" ; then
1947         echo "WARNING: you are using the builtin random number collection service."
1948         echo "Please read WARNING.RNG and request that your OS vendor includes"
1949         echo "/dev/random in future versions of their OS."
1950         echo ""
1951 fi
1952
1953 if test ! -z "$NO_SFTP"; then
1954         echo "sftp-server will be disabled.  Your compiler does not support"
1955         echo "64bit integers."
1956         echo ""
1957 fi
1958