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_PROGS(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=$CC
  41 fi
  42 AC_SUBST(LD)
  43
  44 AC_C_INLINE
  45 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  46         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  47 fi
  48
  49 # Check for some target-specific stuff
  50 case "$host" in
  51 *-*-aix*)
  52         AFS_LIBS="-lld"
  53         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  54         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  55         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  56                 blibpath="/usr/lib:/lib:/usr/local/lib"
  57         fi
  58         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  59         AC_DEFINE(BROKEN_GETADDRINFO)
  60         dnl AIX handles lastlog as part of its login message
  61         AC_DEFINE(DISABLE_LASTLOG)
  62         ;;
  63 *-*-cygwin*)
  64         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  65         AC_DEFINE(HAVE_CYGWIN)
  66         AC_DEFINE(USE_PIPES)
  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         ;;
  74 *-*-dgux*)
  75         AC_DEFINE(IP_TOS_IS_BROKEN)
  76         ;;
  77 *-*-darwin*)
  78         AC_DEFINE(BROKEN_GETADDRINFO)
  79         ;;
  80 *-*-hpux10*)
  81         if test -z "$GCC"; then
  82                 CFLAGS="$CFLAGS -Ae"
  83         fi
  84         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  85         IPADDR_IN_DISPLAY=yes
  86         AC_DEFINE(USE_PIPES)
  87         AC_DEFINE(DISABLE_SHADOW)
  88         AC_DEFINE(DISABLE_UTMP)
  89         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  90         LIBS="$LIBS -lxnet -lsec"
  91         ;;
  92 *-*-hpux11*)
  93         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  94         IPADDR_IN_DISPLAY=yes
  95         AC_DEFINE(PAM_SUN_CODEBASE)
  96         AC_DEFINE(USE_PIPES)
  97         AC_DEFINE(DISABLE_SHADOW)
  98         AC_DEFINE(DISABLE_UTMP)
  99         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 100         LIBS="$LIBS -lxnet -lsec"
 101         ;;
 102 *-*-irix5*)
 103         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 104         LDFLAGS="$LDFLAGS"
 105         PATH="$PATH:/usr/etc"
 106         no_libsocket=1
 107         no_libnsl=1
 108         AC_DEFINE(BROKEN_INET_NTOA)
 109         ;;
 110 *-*-irix6*)
 111         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 112         LDFLAGS="$LDFLAGS"
 113         PATH="$PATH:/usr/etc"
 114         AC_DEFINE(WITH_IRIX_ARRAY)
 115         AC_DEFINE(WITH_IRIX_PROJECT)
 116         AC_DEFINE(WITH_IRIX_AUDIT)
 117         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 118         no_libsocket=1
 119         no_libnsl=1
 120         AC_DEFINE(BROKEN_INET_NTOA)
 121         ;;
 122 *-*-linux*)
 123         no_dev_ptmx=1
 124         check_for_libcrypt_later=1
 125         AC_DEFINE(DONT_TRY_OTHER_AF)
 126         AC_DEFINE(PAM_TTY_KLUDGE)
 127         inet6_default_4in6=yes
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 134         )
 135         ;;
 136 *-*-netbsd*)
 137         need_dash_r=1
 138         ;;
 139 *-*-freebsd*)
 140         check_for_libcrypt_later=1
 141         ;;
 142 *-next-*)
 143         conf_lastlog_location="/usr/adm/lastlog"
 144         conf_utmp_location=/etc/utmp
 145         conf_wtmp_location=/usr/adm/wtmp
 146         MAIL=/usr/spool/mail
 147         AC_DEFINE(HAVE_NEXT)
 148         AC_DEFINE(BROKEN_REALPATH)
 149         AC_DEFINE(USE_PIPES)
 150         AC_DEFINE(BROKEN_SAVED_UIDS)
 151         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 152         CFLAGS="$CFLAGS"
 153         ;;
 154 *-*-solaris*)
 155         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 156         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 157         need_dash_r=1
 158         AC_DEFINE(PAM_SUN_CODEBASE)
 159         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 160         AC_DEFINE(LOGIN_NEEDS_TERM)
 161         # hardwire lastlog location (can't detect it on some versions)
 162         conf_lastlog_location="/var/adm/lastlog"
 163         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 164         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 165         if test "$sol2ver" -ge 8; then
 166                 AC_MSG_RESULT(yes)
 167                 AC_DEFINE(DISABLE_UTMP)
 168                 AC_DEFINE(DISABLE_WTMP)
 169         else
 170                 AC_MSG_RESULT(no)
 171         fi
 172         ;;
 173 *-*-sunos4*)
 174         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 175         AC_CHECK_FUNCS(getpwanam)
 176         AC_DEFINE(PAM_SUN_CODEBASE)
 177         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 178         conf_utmp_location=/etc/utmp
 179         conf_wtmp_location=/var/adm/wtmp
 180         conf_lastlog_location=/var/adm/lastlog
 181         AC_DEFINE(USE_PIPES)
 182         ;;
 183 *-ncr-sysv*)
 184         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 185         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 186         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 187         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 188         ;;
 189 *-sni-sysv*)
 190         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 191         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 192         IPADDR_IN_DISPLAY=yes
 193         AC_DEFINE(USE_PIPES)
 194         AC_DEFINE(IP_TOS_IS_BROKEN)
 195         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 196         LIBS="$LIBS -lgen -lnsl -lucb"
 197         ;;
 198 *-*-sysv4.2*)
 199         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 200         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 201         enable_suid_ssh=no
 202         AC_DEFINE(USE_PIPES)
 203         ;;
 204 *-*-sysv5*)
 205         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 206         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 207         enable_suid_ssh=no
 208         AC_DEFINE(USE_PIPES)
 209         ;;
 210 *-*-sysv*)
 211         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 212         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 213         LIBS="$LIBS -lgen -lsocket"
 214         ;;
 215 *-*-sco3.2v4*)
 216         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 217         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 218         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 219         rsh_path="/usr/bin/rcmd"
 220         RANLIB=true
 221         no_dev_ptmx=1
 222         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 223         AC_DEFINE(USE_PIPES)
 224         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 225         AC_DEFINE(DISABLE_SHADOW)
 226         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 227         AC_DEFINE(BROKEN_SAVED_UIDS)
 228         AC_CHECK_FUNCS(getluid setluid)
 229         MANTYPE=man
 230         ;;
 231 *-*-sco3.2v5*)
 232         CPPFLAGS="$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         MANTYPE=man
 243         ;;
 244 *-dec-osf*)
 245         AC_MSG_CHECKING(for Digital Unix SIA)
 246         no_osfsia=""
 247         AC_ARG_WITH(osfsia,
 248                 [  --with-osfsia           Enable Digital Unix SIA],
 249                 [
 250                         if test "x$withval" = "xno" ; then
 251                                 AC_MSG_RESULT(disabled)
 252                                 no_osfsia=1
 253                         fi
 254                 ],
 255         )
 256         if test -z "$no_osfsia" ; then
 257                 if test -f /etc/sia/matrix.conf; then
 258                         AC_MSG_RESULT(yes)
 259                         AC_DEFINE(HAVE_OSF_SIA)
 260                         AC_DEFINE(DISABLE_LOGIN)
 261                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 262                 else
 263                         AC_MSG_RESULT(no)
 264                 fi
 265         fi
 266         ;;
 267 esac
 268
 269 # Allow user to specify flags
 270 AC_ARG_WITH(cflags,
 271         [  --with-cflags           Specify additional flags to pass to compiler],
 272         [
 273                 if test "x$withval" != "xno" ; then
 274                         CFLAGS="$CFLAGS $withval"
 275                 fi
 276         ]
 277 )
 278 AC_ARG_WITH(cppflags,
 279         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 280         [
 281                 if test "x$withval" != "xno"; then
 282                         CPPFLAGS="$CPPFLAGS $withval"
 283                 fi
 284         ]
 285 )
 286 AC_ARG_WITH(ldflags,
 287         [  --with-ldflags          Specify additional flags to pass to linker],
 288         [
 289                 if test "x$withval" != "xno" ; then
 290                         LDFLAGS="$LDFLAGS $withval"
 291                 fi
 292         ]
 293 )
 294 AC_ARG_WITH(libs,
 295         [  --with-libs             Specify additional libraries to link with],
 296         [
 297                 if test "x$withval" != "xno" ; then
 298                         LIBS="$LIBS $withval"
 299                 fi
 300         ]
 301 )
 302
 303 AC_ARG_WITH(pcre,
 304         [  --with-pcre             Override built in regex library with pcre],
 305         [
 306
 307                 AC_CHECK_LIB(pcre, pcre_info,
 308                         [
 309                                 AC_DEFINE(HAVE_LIBPCRE)
 310                                 LIBS="$LIBS -lpcreposix -lpcre"
 311                                 no_comp_check="yes"
 312                         ],
 313                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 314                 )
 315         ]
 316 )
 317
 318 # Checks for libraries.
 319 if test -z "$no_libnsl" ; then
 320         AC_CHECK_LIB(nsl, yp_match, , )
 321 fi
 322 if test -z "$no_libsocket" ; then
 323         AC_CHECK_LIB(socket, main, , )
 324 fi
 325
 326 dnl SCO OS3 needs this for libwrap
 327 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 328
 329 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 330 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 331 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 332
 333 # We don't want to check if we did an pcre override.
 334 if test -z "$no_comp_check" ; then
 335         AC_CHECK_FUNC(regcomp,
 336                 [ AC_DEFINE(HAVE_REGCOMP)],
 337                 [
 338                         AC_CHECK_LIB(pcre, pcre_info,
 339                         [
 340                                 AC_DEFINE(HAVE_LIBPCRE)
 341                                 LIBS="$LIBS -lpcreposix -lpcre"
 342                         ],
 343                         [
 344                                 AC_MSG_ERROR([*** No regex library found.])
 345                         ])
 346                 ]
 347         )
 348 fi
 349
 350 dnl UnixWare 2.x
 351 AC_CHECK_FUNC(strcasecmp,
 352         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 353 )
 354 AC_CHECK_FUNC(utimes,
 355         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 356 )
 357
 358 AC_FUNC_STRFTIME
 359
 360 # Checks for header files.
 361 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h getopt.h glob.h lastlog.h libgen.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)
 362
 363 # Check for ALTDIRFUNC glob() extension
 364 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 365 AC_EGREP_CPP(FOUNDIT,
 366         [
 367                 #include <glob.h>
 368                 #ifdef GLOB_ALTDIRFUNC
 369                 FOUNDIT
 370                 #endif
 371         ],
 372         [
 373                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 374                 AC_MSG_RESULT(yes)
 375         ],
 376         [
 377                 AC_MSG_RESULT(no)
 378         ]
 379 )
 380
 381 # Check for g.gl_matchc glob() extension
 382 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 383 AC_EGREP_CPP(FOUNDIT,
 384         [
 385                 #include <glob.h>
 386                 int main(void){glob_t g; g.gl_matchc = 1;}
 387         ],
 388         [
 389                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 390                 AC_MSG_RESULT(yes)
 391         ],
 392         [
 393                 AC_MSG_RESULT(no)
 394         ]
 395 )
 396
 397 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 398 AC_TRY_RUN(
 399         [
 400 #include <sys/types.h>
 401 #include <dirent.h>
 402 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 403         ],
 404         [AC_MSG_RESULT(yes)],
 405         [
 406                 AC_MSG_RESULT(no)
 407                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 408         ]
 409 )
 410
 411 # Check whether user wants S/Key support
 412 SKEY_MSG="no"
 413 AC_ARG_WITH(skey,
 414         [  --with-skey=PATH         Enable S/Key support],
 415         [
 416                 if test "x$withval" != "xno" ; then
 417
 418                         if test "x$withval" != "xyes" ; then
 419                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 420                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 421                         fi
 422
 423                         AC_DEFINE(SKEY)
 424                         LIBS="-lskey $LIBS"
 425                         SKEY_MSG="yes"
 426
 427                         AC_CHECK_FUNC(skey_keyinfo,
 428                                 [],
 429                                 [
 430                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 431                                 ])
 432                 fi
 433         ]
 434 )
 435
 436 # Check whether user wants TCP wrappers support
 437 TCPW_MSG="no"
 438 AC_ARG_WITH(tcp-wrappers,
 439         [  --with-tcp-wrappers     Enable tcpwrappers support],
 440         [
 441                 if test "x$withval" != "xno" ; then
 442                         saved_LIBS="$LIBS"
 443                         LIBS="-lwrap $LIBS"
 444                         AC_MSG_CHECKING(for libwrap)
 445                         AC_TRY_LINK(
 446                                 [
 447 #include <tcpd.h>
 448                                         int deny_severity = 0, allow_severity = 0;
 449                                 ],
 450                                 [hosts_access(0);],
 451                                 [
 452                                         AC_MSG_RESULT(yes)
 453                                         AC_DEFINE(LIBWRAP)
 454                                         TCPW_MSG="yes"
 455                                 ],
 456                                 [
 457                                         AC_MSG_ERROR([*** libwrap missing])
 458                                 ]
 459                         )
 460                 fi
 461         ]
 462 )
 463
 464 dnl    Checks for library functions.
 465 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock dirname fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getopt getnameinfo getrlimit getrusage getttyent glob inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty readpassphrase realpath rresvport_af setdtablesize setenv setegid seteuid setlogin setproctitle setresgid setreuid setrlimit setsid setvbuf sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 466 dnl    Checks for time functions
 467 AC_CHECK_FUNCS(gettimeofday time)
 468 dnl    Checks for libutil functions
 469 AC_CHECK_HEADERS(libutil.h)
 470 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 471 dnl    Checks for utmp functions
 472 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 473 AC_CHECK_FUNCS(utmpname)
 474 dnl    Checks for utmpx functions
 475 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 476 AC_CHECK_FUNCS(setutxent utmpxname)
 477
 478 AC_CHECK_FUNC(getuserattr,
 479         [AC_DEFINE(HAVE_GETUSERATTR)],
 480         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 481 )
 482
 483 AC_CHECK_FUNC(login,
 484         [AC_DEFINE(HAVE_LOGIN)],
 485         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 486 )
 487
 488 AC_CHECK_FUNC(daemon,
 489         [AC_DEFINE(HAVE_DAEMON)],
 490         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 491 )
 492
 493 AC_CHECK_FUNC(getpagesize,
 494         [AC_DEFINE(HAVE_GETPAGESIZE)],
 495         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 496 )
 497
 498 # Check for broken snprintf
 499 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 500         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 501         AC_TRY_RUN(
 502                 [
 503 #include <stdio.h>
 504 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 505                 ],
 506                 [AC_MSG_RESULT(yes)],
 507                 [
 508                         AC_MSG_RESULT(no)
 509                         AC_DEFINE(BROKEN_SNPRINTF)
 510                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 511                 ]
 512         )
 513 fi
 514
 515 AC_FUNC_GETPGRP
 516
 517 # Check for PAM libs
 518 PAM_MSG="no"
 519 AC_ARG_WITH(pam,
 520         [  --with-pam              Enable PAM support ],
 521         [
 522                 if test "x$withval" != "xno" ; then
 523                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 524                                 AC_MSG_ERROR([PAM headers not found])
 525                         fi
 526
 527                         AC_CHECK_LIB(dl, dlopen, , )
 528                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 529                         AC_CHECK_FUNCS(pam_getenvlist)
 530
 531                         disable_shadow=yes
 532                         PAM_MSG="yes"
 533
 534                         AC_DEFINE(USE_PAM)
 535                 fi
 536         ]
 537 )
 538
 539 # Check for older PAM
 540 if test "x$PAM_MSG" = "xyes" ; then
 541         # Check PAM strerror arguments (old PAM)
 542         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 543         AC_TRY_COMPILE(
 544                 [
 545 #include <stdlib.h>
 546 #include <security/pam_appl.h>
 547                 ],
 548                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 549                 [AC_MSG_RESULT(no)],
 550                 [
 551                         AC_DEFINE(HAVE_OLD_PAM)
 552                         AC_MSG_RESULT(yes)
 553                         PAM_MSG="yes (old library)"
 554                 ]
 555         )
 556 fi
 557
 558 # The big search for OpenSSL
 559 AC_ARG_WITH(ssl-dir,
 560         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 561         [
 562                 if test "x$withval" != "xno" ; then
 563                         tryssldir=$withval
 564                 fi
 565         ]
 566 )
 567
 568 saved_LIBS="$LIBS"
 569 saved_LDFLAGS="$LDFLAGS"
 570 saved_CPPFLAGS="$CPPFLAGS"
 571 if test "x$prefix" != "xNONE" ; then
 572         tryssldir="$tryssldir $prefix"
 573 fi
 574 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 575         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 576                 CPPFLAGS="$saved_CPPFLAGS"
 577                 LDFLAGS="$saved_LDFLAGS"
 578                 LIBS="$saved_LIBS -lcrypto"
 579
 580                 # Skip directories if they don't exist
 581                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 582                         continue;
 583                 fi
 584                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 585                         # Try to use $ssldir/lib if it exists, otherwise
 586                         # $ssldir
 587                         if test -d "$ssldir/lib" ; then
 588                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 589                                 if test ! -z "$need_dash_r" ; then
 590                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 591                                 fi
 592                         else
 593                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 594                                 if test ! -z "$need_dash_r" ; then
 595                                         LDFLAGS="-R$ssldir $LDFLAGS"
 596                                 fi
 597                         fi
 598                         # Try to use $ssldir/include if it exists, otherwise
 599                         # $ssldir
 600                         if test -d "$ssldir/include" ; then
 601                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 602                         else
 603                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 604                         fi
 605                 fi
 606
 607                 # Basic test to check for compatible version and correct linking
 608                 # *does not* test for RSA - that comes later.
 609                 AC_TRY_RUN(
 610                         [
 611 #include <string.h>
 612 #include <openssl/rand.h>
 613 int main(void)
 614 {
 615         char a[2048];
 616         memset(a, 0, sizeof(a));
 617         RAND_add(a, sizeof(a), sizeof(a));
 618         return(RAND_status() <= 0);
 619 }
 620                         ],
 621                         [
 622                                 found_crypto=1
 623                                 break;
 624                         ], []
 625                 )
 626
 627                 if test ! -z "$found_crypto" ; then
 628                         break;
 629                 fi
 630         done
 631
 632         if test -z "$found_crypto" ; then
 633                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 634         fi
 635         if test -z "$ssldir" ; then
 636                 ssldir="(system)"
 637         fi
 638
 639         ac_cv_openssldir=$ssldir
 640 ])
 641
 642 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 643         AC_DEFINE(HAVE_OPENSSL)
 644         dnl Need to recover ssldir - test above runs in subshell
 645         ssldir=$ac_cv_openssldir
 646         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 647                 # Try to use $ssldir/lib if it exists, otherwise
 648                 # $ssldir
 649                 if test -d "$ssldir/lib" ; then
 650                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 651                         if test ! -z "$need_dash_r" ; then
 652                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 653                         fi
 654                 else
 655                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 656                         if test ! -z "$need_dash_r" ; then
 657                                 LDFLAGS="-R$ssldir $LDFLAGS"
 658                         fi
 659                 fi
 660                 # Try to use $ssldir/include if it exists, otherwise
 661                 # $ssldir
 662                 if test -d "$ssldir/include" ; then
 663                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 664                 else
 665                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 666                 fi
 667         fi
 668 fi
 669 LIBS="$saved_LIBS -lcrypto"
 670
 671 # Now test RSA support
 672 saved_LIBS="$LIBS"
 673 AC_MSG_CHECKING([for RSA support])
 674 for WANTS_RSAREF in "" 1 ; do
 675         if test -z "$WANTS_RSAREF" ; then
 676                 LIBS="$saved_LIBS"
 677         else
 678                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 679         fi
 680         AC_TRY_RUN([
 681 #include <string.h>
 682 #include <openssl/rand.h>
 683 #include <openssl/rsa.h>
 684 #include <openssl/bn.h>
 685 #include <openssl/sha.h>
 686 int main(void)
 687 {
 688         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 689         unsigned char c[256], p[256];
 690         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 691         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 692         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 693         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 694 }
 695         ],
 696         [
 697                 rsa_works=1
 698                 break;
 699         ], [])
 700 done
 701 LIBS="$saved_LIBS"
 702
 703 if test ! -z "$no_rsa" ; then
 704         AC_MSG_RESULT(disabled)
 705         RSA_MSG="disabled"
 706 else
 707         if test -z "$rsa_works" ; then
 708                 AC_MSG_WARN([*** No RSA support found *** ])
 709                 RSA_MSG="no"
 710         else
 711                 if test -z "$WANTS_RSAREF" ; then
 712                         AC_MSG_RESULT(yes)
 713                         RSA_MSG="yes"
 714                 else
 715                         RSA_MSG="yes (using RSAref)"
 716                         AC_MSG_RESULT(using RSAref)
 717                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 718                 fi
 719         fi
 720 fi
 721
 722 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 723 # version in OpenSSL. Skip this for PAM
 724 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 725         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 726 fi
 727
 728 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 729 if test ! -z "$SONY" ; then
 730   LIBS="$LIBS -liberty";
 731 fi
 732
 733 # Checks for data types
 734 AC_CHECK_SIZEOF(char, 1)
 735 AC_CHECK_SIZEOF(short int, 2)
 736 AC_CHECK_SIZEOF(int, 4)
 737 AC_CHECK_SIZEOF(long int, 4)
 738 AC_CHECK_SIZEOF(long long int, 8)
 739
 740 # More checks for data types
 741 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 742         AC_TRY_COMPILE(
 743                 [ #include <sys/types.h> ],
 744                 [ u_int a; a = 1;],
 745                 [ ac_cv_have_u_int="yes" ],
 746                 [ ac_cv_have_u_int="no" ]
 747         )
 748 ])
 749 if test "x$ac_cv_have_u_int" = "xyes" ; then
 750         AC_DEFINE(HAVE_U_INT)
 751         have_u_int=1
 752 fi
 753
 754 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 755         AC_TRY_COMPILE(
 756                 [ #include <sys/types.h> ],
 757                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 758                 [ ac_cv_have_intxx_t="yes" ],
 759                 [ ac_cv_have_intxx_t="no" ]
 760         )
 761 ])
 762 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 763         AC_DEFINE(HAVE_INTXX_T)
 764         have_intxx_t=1
 765 fi
 766
 767 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 768         AC_TRY_COMPILE(
 769                 [ #include <sys/types.h> ],
 770                 [ int64_t a; a = 1;],
 771                 [ ac_cv_have_int64_t="yes" ],
 772                 [ ac_cv_have_int64_t="no" ]
 773         )
 774 ])
 775 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 776         AC_DEFINE(HAVE_INT64_T)
 777         have_int64_t=1
 778 fi
 779
 780 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 781         AC_TRY_COMPILE(
 782                 [ #include <sys/types.h> ],
 783                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 784                 [ ac_cv_have_u_intxx_t="yes" ],
 785                 [ ac_cv_have_u_intxx_t="no" ]
 786         )
 787 ])
 788 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 789         AC_DEFINE(HAVE_U_INTXX_T)
 790         have_u_intxx_t=1
 791 fi
 792
 793 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 794         AC_TRY_COMPILE(
 795                 [ #include <sys/types.h> ],
 796                 [ u_int64_t a; a = 1;],
 797                 [ ac_cv_have_u_int64_t="yes" ],
 798                 [ ac_cv_have_u_int64_t="no" ]
 799         )
 800 ])
 801 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 802         AC_DEFINE(HAVE_U_INT64_T)
 803         have_u_int64_t=1
 804 fi
 805
 806 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 807            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 808 then
 809         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 810         AC_TRY_COMPILE(
 811                 [
 812 #include <sys/bitypes.h>
 813                 ],
 814                 [
 815                         int8_t a; int16_t b; int32_t c;
 816                         u_int8_t e; u_int16_t f; u_int32_t g;
 817                         a = b = c = e = f = g = 1;
 818                 ],
 819                 [
 820                         AC_DEFINE(HAVE_U_INTXX_T)
 821                         AC_DEFINE(HAVE_INTXX_T)
 822                         AC_MSG_RESULT(yes)
 823                 ],
 824                 [AC_MSG_RESULT(no)]
 825         )
 826 fi
 827
 828 if test -z "$have_u_intxx_t" ; then
 829         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 830                 AC_TRY_COMPILE(
 831                         [
 832 #include <sys/types.h>
 833                         ],
 834                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 835                         [ ac_cv_have_uintxx_t="yes" ],
 836                         [ ac_cv_have_uintxx_t="no" ]
 837                 )
 838         ])
 839         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 840                 AC_DEFINE(HAVE_UINTXX_T)
 841         fi
 842 fi
 843
 844 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 845         AC_TRY_COMPILE(
 846                 [
 847 #include <sys/types.h>
 848 #include <sys/socket.h>
 849                 ],
 850                 [socklen_t foo; foo = 1235;],
 851                 [ ac_cv_have_socklen_t="yes" ],
 852                 [ ac_cv_have_socklen_t="no" ]
 853         )
 854 ])
 855 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 856         AC_DEFINE(HAVE_SOCKLEN_T)
 857 fi
 858
 859 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 860         AC_TRY_COMPILE(
 861                 [
 862 #include <sys/types.h>
 863                 ],
 864                 [ size_t foo; foo = 1235; ],
 865                 [ ac_cv_have_size_t="yes" ],
 866                 [ ac_cv_have_size_t="no" ]
 867         )
 868 ])
 869 if test "x$ac_cv_have_size_t" = "xyes" ; then
 870         AC_DEFINE(HAVE_SIZE_T)
 871 fi
 872
 873 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 874         AC_TRY_COMPILE(
 875                 [
 876 #include <sys/types.h>
 877                 ],
 878                 [ ssize_t foo; foo = 1235; ],
 879                 [ ac_cv_have_ssize_t="yes" ],
 880                 [ ac_cv_have_ssize_t="no" ]
 881         )
 882 ])
 883 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 884         AC_DEFINE(HAVE_SSIZE_T)
 885 fi
 886
 887 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 888         AC_TRY_COMPILE(
 889                 [
 890 #include <time.h>
 891                 ],
 892                 [ clock_t foo; foo = 1235; ],
 893                 [ ac_cv_have_clock_t="yes" ],
 894                 [ ac_cv_have_clock_t="no" ]
 895         )
 896 ])
 897 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 898         AC_DEFINE(HAVE_CLOCK_T)
 899 fi
 900
 901 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 902         AC_TRY_COMPILE(
 903                 [
 904 #include <sys/types.h>
 905 #include <sys/socket.h>
 906                 ],
 907                 [ sa_family_t foo; foo = 1235; ],
 908                 [ ac_cv_have_sa_family_t="yes" ],
 909                 [ AC_TRY_COMPILE(
 910                   [
 911 #include <sys/types.h>
 912 #include <sys/socket.h>
 913 #include <netinet/in.h>
 914                 ],
 915                 [ sa_family_t foo; foo = 1235; ],
 916                 [ ac_cv_have_sa_family_t="yes" ],
 917
 918                 [ ac_cv_have_sa_family_t="no" ]
 919         )]
 920         )
 921 ])
 922 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 923         AC_DEFINE(HAVE_SA_FAMILY_T)
 924 fi
 925
 926 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 927         AC_TRY_COMPILE(
 928                 [
 929 #include <sys/types.h>
 930                 ],
 931                 [ pid_t foo; foo = 1235; ],
 932                 [ ac_cv_have_pid_t="yes" ],
 933                 [ ac_cv_have_pid_t="no" ]
 934         )
 935 ])
 936 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 937         AC_DEFINE(HAVE_PID_T)
 938 fi
 939
 940 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 941         AC_TRY_COMPILE(
 942                 [
 943 #include <sys/types.h>
 944                 ],
 945                 [ mode_t foo; foo = 1235; ],
 946                 [ ac_cv_have_mode_t="yes" ],
 947                 [ ac_cv_have_mode_t="no" ]
 948         )
 949 ])
 950 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 951         AC_DEFINE(HAVE_MODE_T)
 952 fi
 953
 954
 955 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 956         AC_TRY_COMPILE(
 957                 [
 958 #include <sys/types.h>
 959 #include <sys/socket.h>
 960                 ],
 961                 [ struct sockaddr_storage s; ],
 962                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 963                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 964         )
 965 ])
 966 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 967         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 968 fi
 969
 970 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 971         AC_TRY_COMPILE(
 972                 [
 973 #include <sys/types.h>
 974 #include <netinet/in.h>
 975                 ],
 976                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 977                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 978                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 979         )
 980 ])
 981 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 982         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 983 fi
 984
 985 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 986         AC_TRY_COMPILE(
 987                 [
 988 #include <sys/types.h>
 989 #include <netinet/in.h>
 990                 ],
 991                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 992                 [ ac_cv_have_struct_in6_addr="yes" ],
 993                 [ ac_cv_have_struct_in6_addr="no" ]
 994         )
 995 ])
 996 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 997         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 998 fi
 999
1000 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1001         AC_TRY_COMPILE(
1002                 [
1003 #include <sys/types.h>
1004 #include <sys/socket.h>
1005 #include <netdb.h>
1006                 ],
1007                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1008                 [ ac_cv_have_struct_addrinfo="yes" ],
1009                 [ ac_cv_have_struct_addrinfo="no" ]
1010         )
1011 ])
1012 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1013         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1014 fi
1015
1016 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1017         AC_TRY_COMPILE(
1018                 [ #include <sys/time.h> ],
1019                 [ struct timeval tv; tv.tv_sec = 1;],
1020                 [ ac_cv_have_struct_timeval="yes" ],
1021                 [ ac_cv_have_struct_timeval="no" ]
1022         )
1023 ])
1024 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1025         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1026         have_struct_timeval=1
1027 fi
1028
1029 # If we don't have int64_t then we can't compile sftp-server.  So don't
1030 # even attempt to do it.
1031 if test "x$ac_cv_have_int64_t" = "xno" -a \
1032         "x$ac_cv_sizeof_long_int" != "x8" -a \
1033         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1034         NO_SFTP='#'
1035 else
1036 dnl test snprintf (broken on SCO w/gcc)
1037         AC_TRY_RUN(
1038                 [
1039 #include <stdio.h>
1040 #include <string.h>
1041 #ifdef HAVE_SNPRINTF
1042 main()
1043 {
1044         char buf[50];
1045         char expected_out[50];
1046         int mazsize = 50 ;
1047 #if (SIZEOF_LONG_INT == 8)
1048         long int num = 0x7fffffffffffffff;
1049 #else
1050         long long num = 0x7fffffffffffffffll;
1051 #endif
1052         strcpy(expected_out, "9223372036854775807");
1053         snprintf(buf, mazsize, "%lld", num);
1054         if(strcmp(buf, expected_out) != 0)
1055                 exit(1);
1056         exit(0);
1057 }
1058 #else
1059 main() { exit(0); }
1060 #endif
1061                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1062         )
1063 fi
1064 AC_SUBST(NO_SFTP)
1065
1066 dnl Checks for structure members
1067 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1068 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1069 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1072 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1073 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1074 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1076 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1077 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1078 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1079 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1080 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1081 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1082 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1083 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1084 AC_STRUCT_ST_BLKSIZE
1085
1086 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1087                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1088         AC_TRY_COMPILE(
1089                 [
1090 #include <sys/types.h>
1091 #include <sys/socket.h>
1092                 ],
1093                 [ struct sockaddr_un s; s.sun_len = 1; ],
1094                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1095                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1096         )
1097 ])
1098 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1099         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1100 fi
1101
1102 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1103                 ac_cv_have_ss_family_in_struct_ss, [
1104         AC_TRY_COMPILE(
1105                 [
1106 #include <sys/types.h>
1107 #include <sys/socket.h>
1108                 ],
1109                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1110                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1111                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1112         )
1113 ])
1114 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1115         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1116 fi
1117
1118 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1119                 ac_cv_have___ss_family_in_struct_ss, [
1120         AC_TRY_COMPILE(
1121                 [
1122 #include <sys/types.h>
1123 #include <sys/socket.h>
1124                 ],
1125                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1126                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1127                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1128         )
1129 ])
1130 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1131         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1132 fi
1133
1134 AC_CACHE_CHECK([for pw_class field in struct passwd],
1135                 ac_cv_have_pw_class_in_struct_passwd, [
1136         AC_TRY_COMPILE(
1137                 [
1138 #include <pwd.h>
1139                 ],
1140                 [ struct passwd p; p.pw_class = 0; ],
1141                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1142                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1143         )
1144 ])
1145 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1146         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1147 fi
1148
1149 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1150                 ac_cv_have_pw_expire_in_struct_passwd, [
1151         AC_TRY_COMPILE(
1152                 [
1153 #include <pwd.h>
1154                 ],
1155                 [ struct passwd p; p.pw_expire = 0; ],
1156                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1157                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1158         )
1159 ])
1160 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1161         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1162 fi
1163
1164 AC_CACHE_CHECK([for pw_change field in struct passwd],
1165                 ac_cv_have_pw_change_in_struct_passwd, [
1166         AC_TRY_COMPILE(
1167                 [
1168 #include <pwd.h>
1169                 ],
1170                 [ struct passwd p; p.pw_change = 0; ],
1171                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1172                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1173         )
1174 ])
1175 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1176         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1177 fi
1178
1179 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1180         AC_TRY_LINK([],
1181                 [ extern char *__progname; printf("%s", __progname); ],
1182                 [ ac_cv_libc_defines___progname="yes" ],
1183                 [ ac_cv_libc_defines___progname="no" ]
1184         )
1185 ])
1186 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1187         AC_DEFINE(HAVE___PROGNAME)
1188 fi
1189
1190 AC_CACHE_CHECK([whether getopt has optreset support],
1191                 ac_cv_have_getopt_optreset, [
1192         AC_TRY_LINK(
1193                 [
1194 #include <getopt.h>
1195                 ],
1196                 [ extern int optreset; optreset = 0; ],
1197                 [ ac_cv_have_getopt_optreset="yes" ],
1198                 [ ac_cv_have_getopt_optreset="no" ]
1199         )
1200 ])
1201 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1202         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1203 fi
1204
1205 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1206         AC_TRY_LINK([],
1207                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1208                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1209                 [ ac_cv_libc_defines_sys_errlist="no" ]
1210         )
1211 ])
1212 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1213         AC_DEFINE(HAVE_SYS_ERRLIST)
1214 fi
1215
1216
1217 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1218         AC_TRY_LINK([],
1219                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1220                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1221                 [ ac_cv_libc_defines_sys_nerr="no" ]
1222         )
1223 ])
1224 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1225         AC_DEFINE(HAVE_SYS_NERR)
1226 fi
1227
1228
1229 # Check whether user wants Kerberos support
1230 KRB4_MSG="no"
1231 AC_ARG_WITH(kerberos4,
1232         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1233         [
1234                 if test "x$withval" != "xno" ; then
1235
1236                         if test "x$withval" != "xyes" ; then
1237                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1238                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1239                                 if test ! -z "$need_dash_r" ; then
1240                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1241                                 fi
1242                                 if test ! -z "$blibpath" ; then
1243                                         blibpath="$blibpath:${withval}/lib"
1244                                 fi
1245                         else
1246                                 if test -d /usr/include/kerberosIV ; then
1247                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1248                                 fi
1249                         fi
1250
1251                         AC_CHECK_HEADERS(krb.h)
1252                         if test "$ac_cv_header_krb_h" != yes; then
1253                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1254                         fi
1255                         AC_CHECK_LIB(krb, main)
1256                         if test "$ac_cv_lib_krb_main" != yes; then
1257                                 AC_CHECK_LIB(krb4, main)
1258                                 if test "$ac_cv_lib_krb4_main" != yes; then
1259                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1260                                 else
1261                                         KLIBS="-lkrb4"
1262                                 fi
1263                         else
1264                                 KLIBS="-lkrb"
1265                         fi
1266                         AC_CHECK_LIB(des, des_cbc_encrypt)
1267                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1268                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1269                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1270                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1271                                 else
1272                                         KLIBS="-ldes425"
1273                                 fi
1274                         else
1275                                 KLIBS="-ldes"
1276                         fi
1277                         AC_CHECK_LIB(resolv, dn_expand, , )
1278                         KRB4=yes
1279                         KRB4_MSG="yes"
1280                         AC_DEFINE(KRB4)
1281                 fi
1282         ]
1283 )
1284
1285 # Check whether user wants AFS support
1286 AFS_MSG="no"
1287 AC_ARG_WITH(afs,
1288         [  --with-afs=PATH         Enable AFS support],
1289         [
1290                 if test "x$withval" != "xno" ; then
1291
1292                         if test "x$withval" != "xyes" ; then
1293                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1294                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1295                         fi
1296
1297                         if test -z "$KRB4" ; then
1298                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1299                         fi
1300
1301                         LIBS="-lkafs $LIBS"
1302                         if test ! -z "$AFS_LIBS" ; then
1303                                 LIBS="$LIBS $AFS_LIBS"
1304                         fi
1305                         AC_DEFINE(AFS)
1306                         AFS_MSG="yes"
1307                 fi
1308         ]
1309 )
1310 LIBS="$LIBS $KLIBS"
1311
1312 # Looking for programs, paths and files
1313 AC_ARG_WITH(rsh,
1314         [  --with-rsh=PATH         Specify path to remote shell program ],
1315         [
1316                 if test "x$withval" != "$no" ; then
1317                         rsh_path=$withval
1318                 fi
1319         ],
1320         [
1321                 AC_PATH_PROG(rsh_path, rsh)
1322         ]
1323 )
1324
1325 AC_ARG_WITH(xauth,
1326         [  --with-xauth=PATH       Specify path to xauth program ],
1327         [
1328                 if test "x$withval" != "xno" ; then
1329                         xauth_path=$withval
1330                 fi
1331         ],
1332         [
1333                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1334                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1335                         xauth_path="/usr/openwin/bin/xauth"
1336                 fi
1337         ]
1338 )
1339
1340 if test -z "$xauth_path" ; then
1341         XAUTH_PATH="undefined"
1342         AC_SUBST(XAUTH_PATH)
1343 else
1344         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1345         XAUTH_PATH=$xauth_path
1346         AC_SUBST(XAUTH_PATH)
1347 fi
1348 if test ! -z "$rsh_path" ; then
1349         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1350 fi
1351
1352 # Check for mail directory (last resort if we cannot get it from headers)
1353 if test ! -z "$MAIL" ; then
1354         maildir=`dirname $MAIL`
1355         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1356 fi
1357
1358 if test -z "$no_dev_ptmx" ; then
1359         AC_CHECK_FILE("/dev/ptmx",
1360                 [
1361                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1362                         have_dev_ptmx=1
1363                 ]
1364         )
1365 fi
1366 AC_CHECK_FILE("/dev/ptc",
1367         [
1368                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1369                 have_dev_ptc=1
1370         ]
1371 )
1372
1373 # Options from here on. Some of these are preset by platform above
1374
1375 # Check for user-specified random device, otherwise check /dev/urandom
1376 AC_ARG_WITH(random,
1377         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1378         [
1379                 if test "x$withval" != "xno" ; then
1380                         RANDOM_POOL="$withval";
1381                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1382                 fi
1383         ],
1384         [
1385                 # Check for random device
1386                 AC_CHECK_FILE("/dev/urandom",
1387                         [
1388                                 RANDOM_POOL="/dev/urandom";
1389                                 AC_SUBST(RANDOM_POOL)
1390                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1391                         ]
1392                 )
1393         ]
1394 )
1395
1396 # Check for PRNGD/EGD pool file
1397 AC_ARG_WITH(prngd-port,
1398         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1399         [
1400                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1401                         PRNGD_PORT="$withval"
1402                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1403                 fi
1404         ]
1405 )
1406
1407 # Check for PRNGD/EGD pool file
1408 AC_ARG_WITH(prngd-socket,
1409         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1410         [
1411                 if test "x$withval" != "xno" ; then
1412                         PRNGD_SOCKET="$withval"
1413                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1414                 fi
1415         ],
1416         [
1417                 # Check for existing socket only if we don't have a random device already
1418                 if test -z "$RANDOM_POOL" ; then
1419                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1420                         # Insert other locations here
1421                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1422                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1423                                         PRNGD_SOCKET="$sock"
1424                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1425                                         break;
1426                                 fi
1427                         done
1428                         if test ! -z "$PRNGD_SOCKET" ; then
1429                                 AC_MSG_RESULT($PRNGD_SOCKET)
1430                         else
1431                                 AC_MSG_RESULT(not found)
1432                         fi
1433                 fi
1434         ]
1435 )
1436
1437
1438 # detect pathnames for entropy gathering commands, if we need them
1439 INSTALL_SSH_PRNG_CMDS=""
1440 rm -f prng_commands
1441 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1442         # Use these commands to collect entropy
1443         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1444         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1445         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1446         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1447         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1448         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1449         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1450         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1451         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1452         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1453         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1454         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1455         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1456         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1457
1458         INSTALL_SSH_PRNG_CMDS="yes"
1459 fi
1460 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1461
1462
1463 AC_ARG_WITH(mantype,
1464         [  --with-mantype=man|cat|doc  Set man page type],
1465         [
1466                 case "$withval" in
1467                 man|cat|doc)
1468                         MANTYPE=$withval
1469                         ;;
1470                 *)
1471                         AC_MSG_ERROR(invalid man type: $withval)
1472                         ;;
1473                 esac
1474         ]
1475 )
1476 if test -z "$MANTYPE"; then
1477         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1478         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1479                 MANTYPE=doc
1480         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1481                 MANTYPE=man
1482         else
1483                 MANTYPE=cat
1484         fi
1485 fi
1486 AC_SUBST(MANTYPE)
1487 if test "$MANTYPE" = "doc"; then
1488         mansubdir=man;
1489 else
1490         mansubdir=$MANTYPE;
1491 fi
1492 AC_SUBST(mansubdir)
1493
1494 # Check whether to enable MD5 passwords
1495 MD5_MSG="no"
1496 AC_ARG_WITH(md5-passwords,
1497         [  --with-md5-passwords    Enable use of MD5 passwords],
1498         [
1499                 if test "x$withval" != "xno" ; then
1500                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1501                         MD5_MSG="yes"
1502                 fi
1503         ]
1504 )
1505
1506 # Whether to disable shadow password support
1507 AC_ARG_WITH(shadow,
1508         [  --without-shadow        Disable shadow password support],
1509         [
1510                 if test "x$withval" = "xno" ; then
1511                         AC_DEFINE(DISABLE_SHADOW)
1512                         disable_shadow=yes
1513                 fi
1514         ]
1515 )
1516
1517 if test -z "$disable_shadow" ; then
1518         AC_MSG_CHECKING([if the systems has expire shadow information])
1519         AC_TRY_COMPILE(
1520         [
1521 #include <sys/types.h>
1522 #include <shadow.h>
1523         struct spwd sp;
1524         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1525         [ sp_expire_available=yes ], []
1526         )
1527
1528         if test "x$sp_expire_available" = "xyes" ; then
1529                 AC_MSG_RESULT(yes)
1530                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1531         else
1532                 AC_MSG_RESULT(no)
1533         fi
1534 fi
1535
1536 # Use ip address instead of hostname in $DISPLAY
1537 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1538         DISPLAY_HACK_MSG="yes"
1539         AC_DEFINE(IPADDR_IN_DISPLAY)
1540 else
1541         DISPLAY_HACK_MSG="no"
1542         AC_ARG_WITH(ipaddr-display,
1543                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1544                 [
1545                         if test "x$withval" != "xno" ; then
1546                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1547                                 DISPLAY_HACK_MSG="yes"
1548                         fi
1549                 ]
1550         )
1551 fi
1552
1553 # Whether to mess with the default path
1554 SERVER_PATH_MSG="(default)"
1555 AC_ARG_WITH(default-path,
1556         [  --with-default-path=PATH Specify default \$PATH environment for server],
1557         [
1558                 if test "x$withval" != "xno" ; then
1559                         user_path="$withval"
1560                         SERVER_PATH_MSG="$withval"
1561                 fi
1562         ],
1563         [
1564         AC_TRY_RUN(
1565                 [
1566 /* find out what STDPATH is */
1567 #include <stdio.h>
1568 #ifdef HAVE_PATHS_H
1569 # include <paths.h>
1570 #endif
1571 #ifndef _PATH_STDPATH
1572 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1573 #endif
1574 #include <sys/types.h>
1575 #include <sys/stat.h>
1576 #include <fcntl.h>
1577 #define DATA "conftest.stdpath"
1578
1579 main()
1580 {
1581         FILE *fd;
1582         int rc;
1583
1584         fd = fopen(DATA,"w");
1585         if(fd == NULL)
1586                 exit(1);
1587
1588         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1589                 exit(1);
1590
1591         exit(0);
1592 }
1593                 ], [ user_path=`cat conftest.stdpath` ],
1594                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1595                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1596         )
1597 # make sure $bindir is in USER_PATH so scp will work
1598                 t_bindir=`eval echo ${bindir}`
1599                 case $t_bindir in
1600                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1601                 esac
1602                 case $t_bindir in
1603                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1604                 esac
1605                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1606                 if test $? -ne 0  ; then
1607                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1608                         if test $? -ne 0  ; then
1609                                 user_path=$user_path:$t_bindir
1610                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1611                         fi
1612                 fi
1613         ]
1614 )
1615 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1616 AC_SUBST(user_path)
1617
1618 # Whether to force IPv4 by default (needed on broken glibc Linux)
1619 IPV4_HACK_MSG="no"
1620 AC_ARG_WITH(ipv4-default,
1621         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1622         [
1623                 if test "x$withval" != "xno" ; then
1624                         AC_DEFINE(IPV4_DEFAULT)
1625                         IPV4_HACK_MSG="yes"
1626                 fi
1627         ]
1628 )
1629
1630 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1631 IPV4_IN6_HACK_MSG="no"
1632 AC_ARG_WITH(4in6,
1633         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1634         [
1635                 if test "x$withval" != "xno" ; then
1636                         AC_MSG_RESULT(yes)
1637                         AC_DEFINE(IPV4_IN_IPV6)
1638                         IPV4_IN6_HACK_MSG="yes"
1639                 else
1640                         AC_MSG_RESULT(no)
1641                 fi
1642         ],[
1643                 if test "x$inet6_default_4in6" = "xyes"; then
1644                         AC_MSG_RESULT([yes (default)])
1645                         AC_DEFINE(IPV4_IN_IPV6)
1646                         IPV4_IN6_HACK_MSG="yes"
1647                 else
1648                         AC_MSG_RESULT([no (default)])
1649                 fi
1650         ]
1651 )
1652
1653 # Whether to enable BSD auth support
1654 AC_ARG_WITH(bsd-auth,
1655         [  --with-bsd-auth         Enable BSD auth support],
1656         [
1657                 if test "x$withval" != "xno" ; then
1658                         AC_DEFINE(BSD_AUTH)
1659                         bsd_auth=yes
1660                 fi
1661         ]
1662 )
1663
1664 AC_MSG_CHECKING(whether to install ssh as suid root)
1665 AC_ARG_ENABLE(suid-ssh,
1666 [  --enable-suid-ssh       Install ssh as suid root (default)
1667   --disable-suid-ssh      Install ssh without suid bit],
1668 [ case "$enableval" in
1669   no)
1670        AC_MSG_RESULT(no)
1671        SSHMODE=0711
1672        ;;
1673   *)   AC_MSG_RESULT(yes)
1674        SSHMODE=04711
1675        ;;
1676   esac ],
1677   AC_MSG_RESULT(yes)
1678   SSHMODE=04711
1679 )
1680 AC_SUBST(SSHMODE)
1681
1682
1683 # Where to place sshd.pid
1684 piddir=/var/run
1685 AC_ARG_WITH(pid-dir,
1686         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1687         [
1688                 if test "x$withval" != "xno" ; then
1689                         piddir=$withval
1690                 fi
1691         ]
1692 )
1693
1694 # make sure the directory exists
1695 if test ! -d $piddir ; then
1696         piddir=`eval echo ${sysconfdir}`
1697         case $piddir in
1698                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1699         esac
1700 fi
1701
1702 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1703 AC_SUBST(piddir)
1704
1705 dnl allow user to disable some login recording features
1706 AC_ARG_ENABLE(lastlog,
1707         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1708         [ AC_DEFINE(DISABLE_LASTLOG) ]
1709 )
1710 AC_ARG_ENABLE(utmp,
1711         [  --disable-utmp          disable use of utmp even if detected [no]],
1712         [ AC_DEFINE(DISABLE_UTMP) ]
1713 )
1714 AC_ARG_ENABLE(utmpx,
1715         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1716         [ AC_DEFINE(DISABLE_UTMPX) ]
1717 )
1718 AC_ARG_ENABLE(wtmp,
1719         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1720         [ AC_DEFINE(DISABLE_WTMP) ]
1721 )
1722 AC_ARG_ENABLE(wtmpx,
1723         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1724         [ AC_DEFINE(DISABLE_WTMPX) ]
1725 )
1726 AC_ARG_ENABLE(libutil,
1727         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1728         [ AC_DEFINE(DISABLE_LOGIN) ]
1729 )
1730 AC_ARG_ENABLE(pututline,
1731         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1732         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1733 )
1734 AC_ARG_ENABLE(pututxline,
1735         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1736         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1737 )
1738 AC_ARG_WITH(lastlog,
1739   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1740         [
1741                 if test "x$withval" = "xno" ; then
1742                         AC_DEFINE(DISABLE_LASTLOG)
1743                 else
1744                         conf_lastlog_location=$withval
1745                 fi
1746         ]
1747 )
1748
1749 dnl lastlog, [uw]tmpx? detection
1750 dnl  NOTE: set the paths in the platform section to avoid the
1751 dnl   need for command-line parameters
1752 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1753
1754 dnl lastlog detection
1755 dnl  NOTE: the code itself will detect if lastlog is a directory
1756 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1757 AC_TRY_COMPILE([
1758 #include <sys/types.h>
1759 #include <utmp.h>
1760 #ifdef HAVE_LASTLOG_H
1761 #  include <lastlog.h>
1762 #endif
1763 #ifdef HAVE_PATHS_H
1764 #  include <paths.h>
1765 #endif
1766         ],
1767         [ char *lastlog = LASTLOG_FILE; ],
1768         [ AC_MSG_RESULT(yes) ],
1769         [
1770                 AC_MSG_RESULT(no)
1771                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1772                 AC_TRY_COMPILE([
1773 #include <sys/types.h>
1774 #include <utmp.h>
1775 #ifdef HAVE_LASTLOG_H
1776 #  include <lastlog.h>
1777 #endif
1778 #ifdef HAVE_PATHS_H
1779 #  include <paths.h>
1780 #endif
1781                 ],
1782                 [ char *lastlog = _PATH_LASTLOG; ],
1783                 [ AC_MSG_RESULT(yes) ],
1784                 [
1785                         AC_MSG_RESULT(no)
1786                         system_lastlog_path=no
1787                 ])
1788         ]
1789 )
1790
1791 if test -z "$conf_lastlog_location"; then
1792         if test x"$system_lastlog_path" = x"no" ; then
1793                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1794                                 if (test -d "$f" || test -f "$f") ; then
1795                                         conf_lastlog_location=$f
1796                                 fi
1797                 done
1798                 if test -z "$conf_lastlog_location"; then
1799                         AC_MSG_WARN([** Cannot find lastlog **])
1800                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1801                 fi
1802         fi
1803 fi
1804
1805 if test -n "$conf_lastlog_location"; then
1806         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1807 fi
1808
1809 dnl utmp detection
1810 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1811 AC_TRY_COMPILE([
1812 #include <sys/types.h>
1813 #include <utmp.h>
1814 #ifdef HAVE_PATHS_H
1815 #  include <paths.h>
1816 #endif
1817         ],
1818         [ char *utmp = UTMP_FILE; ],
1819         [ AC_MSG_RESULT(yes) ],
1820         [ AC_MSG_RESULT(no)
1821           system_utmp_path=no ]
1822 )
1823 if test -z "$conf_utmp_location"; then
1824         if test x"$system_utmp_path" = x"no" ; then
1825                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1826                         if test -f $f ; then
1827                                 conf_utmp_location=$f
1828                         fi
1829                 done
1830                 if test -z "$conf_utmp_location"; then
1831                         AC_DEFINE(DISABLE_UTMP)
1832                 fi
1833         fi
1834 fi
1835 if test -n "$conf_utmp_location"; then
1836         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1837 fi
1838
1839 dnl wtmp detection
1840 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1841 AC_TRY_COMPILE([
1842 #include <sys/types.h>
1843 #include <utmp.h>
1844 #ifdef HAVE_PATHS_H
1845 #  include <paths.h>
1846 #endif
1847         ],
1848         [ char *wtmp = WTMP_FILE; ],
1849         [ AC_MSG_RESULT(yes) ],
1850         [ AC_MSG_RESULT(no)
1851           system_wtmp_path=no ]
1852 )
1853 if test -z "$conf_wtmp_location"; then
1854         if test x"$system_wtmp_path" = x"no" ; then
1855                 for f in /usr/adm/wtmp /var/log/wtmp; do
1856                         if test -f $f ; then
1857                                 conf_wtmp_location=$f
1858                         fi
1859                 done
1860                 if test -z "$conf_wtmp_location"; then
1861                         AC_DEFINE(DISABLE_WTMP)
1862                 fi
1863         fi
1864 fi
1865 if test -n "$conf_wtmp_location"; then
1866         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1867 fi
1868
1869
1870 dnl utmpx detection - I don't know any system so perverse as to require
1871 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1872 dnl  there, though.
1873 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1874 AC_TRY_COMPILE([
1875 #include <sys/types.h>
1876 #include <utmp.h>
1877 #ifdef HAVE_UTMPX_H
1878 #include <utmpx.h>
1879 #endif
1880 #ifdef HAVE_PATHS_H
1881 #  include <paths.h>
1882 #endif
1883         ],
1884         [ char *utmpx = UTMPX_FILE; ],
1885         [ AC_MSG_RESULT(yes) ],
1886         [ AC_MSG_RESULT(no)
1887           system_utmpx_path=no ]
1888 )
1889 if test -z "$conf_utmpx_location"; then
1890         if test x"$system_utmpx_path" = x"no" ; then
1891                 AC_DEFINE(DISABLE_UTMPX)
1892         fi
1893 else
1894         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1895 fi
1896
1897 dnl wtmpx detection
1898 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1899 AC_TRY_COMPILE([
1900 #include <sys/types.h>
1901 #include <utmp.h>
1902 #ifdef HAVE_UTMPX_H
1903 #include <utmpx.h>
1904 #endif
1905 #ifdef HAVE_PATHS_H
1906 #  include <paths.h>
1907 #endif
1908         ],
1909         [ char *wtmpx = WTMPX_FILE; ],
1910         [ AC_MSG_RESULT(yes) ],
1911         [ AC_MSG_RESULT(no)
1912           system_wtmpx_path=no ]
1913 )
1914 if test -z "$conf_wtmpx_location"; then
1915         if test x"$system_wtmpx_path" = x"no" ; then
1916                 AC_DEFINE(DISABLE_WTMPX)
1917         fi
1918 else
1919         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1920 fi
1921
1922
1923 # Change default command timeout for builtin PRNG
1924 entropy_timeout=200
1925 AC_ARG_WITH(entropy-timeout,
1926         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1927         [
1928                 if test "x$withval" != "xno" ; then
1929                         entropy_timeout=$withval
1930                 fi
1931         ]
1932 )
1933 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1934
1935
1936 if test ! -z "$blibpath" ; then
1937         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1938         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1939 fi
1940
1941 AC_EXEEXT
1942
1943 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1944
1945 # Print summary of options
1946
1947 if test ! -z "$RANDOM_POOL" ; then
1948         RAND_MSG="Device ($RANDOM_POOL)"
1949 else
1950         if test ! -z "$PRNGD_PORT" ; then
1951                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1952         elif test ! -z "$PRNGD_SOCKET" ; then
1953                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1954         else
1955                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1956                 BUILTIN_RNG=1
1957         fi
1958 fi
1959
1960 # Someone please show me a better way :)
1961 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1962 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1963 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1964 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1965 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1966 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1967 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1968 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1969
1970 echo ""
1971 echo "OpenSSH has been configured with the following options:"
1972 echo "                 User binaries: $B"
1973 echo "               System binaries: $C"
1974 echo "           Configuration files: $D"
1975 echo "               Askpass program: $E"
1976 echo "                  Manual pages: $F"
1977 echo "                      PID file: $G"
1978 echo "        sshd default user PATH: $H"
1979 echo "      Random number collection: $RAND_MSG"
1980 echo "                Manpage format: $MANTYPE"
1981 echo "                   PAM support: ${PAM_MSG}"
1982 echo "            KerberosIV support: $KRB4_MSG"
1983 echo "                   AFS support: $AFS_MSG"
1984 echo "                 S/KEY support: $SKEY_MSG"
1985 echo "          TCP Wrappers support: $TCPW_MSG"
1986 echo "          MD5 password support: $MD5_MSG"
1987 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1988 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1989 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1990
1991 if test ! -z "$bsd_auth"; then
1992         echo "              BSD Auth support: yes"
1993 fi
1994
1995 echo ""
1996
1997 echo "              Host: ${host}"
1998 echo "          Compiler: ${CC}"
1999 echo "    Compiler flags: ${CFLAGS}"
2000 echo "Preprocessor flags: ${CPPFLAGS}"
2001 echo "      Linker flags: ${LDFLAGS}"
2002 echo "         Libraries: ${LIBS}"
2003
2004 echo ""
2005
2006 if test "x$PAM_MSG" = "xyes" ; then
2007         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
2008         echo "otherwise password authentication may fail. Example PAM control files"
2009         echo "can be found in the contrib/ subdirectory"
2010         echo ""
2011 fi
2012
2013 if test ! -z "$BUILTIN_RNG" ; then
2014         echo "WARNING: you are using the builtin random number collection service."
2015         echo "Please read WARNING.RNG and request that your OS vendor includes"
2016         echo "/dev/random in future versions of their OS."
2017         echo ""
2018 fi
2019
2020 if test ! -z "$NO_SFTP"; then
2021         echo "sftp-server will be disabled.  Your compiler does not support"
2022         echo "64bit integers."
2023         echo ""
2024 fi
2025