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=$CC
  41 fi
  42 AC_SUBST(LD)
  43
  44 # C Compiler features
  45 AC_C_INLINE
  46 if test "$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="$LIBS -lregex /usr/lib/textmode.o"
  66         AC_DEFINE(HAVE_CYGWIN)
  67         AC_DEFINE(USE_PIPES)
  68         AC_DEFINE(DISABLE_SHADOW)
  69         AC_DEFINE(IPV4_DEFAULT)
  70         AC_DEFINE(IP_TOS_IS_BROKEN)
  71         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  72         no_libsocket=1
  73         no_libnsl=1
  74         ;;
  75 *-*-dgux*)
  76         AC_DEFINE(IP_TOS_IS_BROKEN)
  77         ;;
  78 *-*-hpux10*)
  79         if test -z "$GCC"; then
  80                 CFLAGS="$CFLAGS -Ae"
  81         fi
  82         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  83         IPADDR_IN_DISPLAY=yes
  84         AC_DEFINE(USE_PIPES)
  85         AC_DEFINE(DISABLE_SHADOW)
  86         AC_DEFINE(DISABLE_UTMP)
  87         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  88         LIBS="$LIBS -lsec"
  89         ;;
  90 *-*-hpux11*)
  91         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  92         IPADDR_IN_DISPLAY=yes
  93         AC_DEFINE(PAM_SUN_CODEBASE)
  94         AC_DEFINE(USE_PIPES)
  95         AC_DEFINE(DISABLE_SHADOW)
  96         AC_DEFINE(DISABLE_UTMP)
  97         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  98         LIBS="$LIBS -lsec"
  99         ;;
 100 *-*-irix5*)
 101         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 102         LDFLAGS="$LDFLAGS"
 103         PATH="$PATH:/usr/etc"
 104         no_libsocket=1
 105         no_libnsl=1
 106         AC_DEFINE(BROKEN_INET_NTOA)
 107         ;;
 108 *-*-irix6*)
 109         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 110         LDFLAGS="$LDFLAGS"
 111         PATH="$PATH:/usr/etc"
 112         AC_DEFINE(WITH_IRIX_ARRAY)
 113         AC_DEFINE(WITH_IRIX_PROJECT)
 114         AC_DEFINE(WITH_IRIX_AUDIT)
 115         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 116         no_libsocket=1
 117         no_libnsl=1
 118         AC_DEFINE(BROKEN_INET_NTOA)
 119         ;;
 120 *-*-linux*)
 121         no_dev_ptmx=1
 122         check_for_libcrypt_later=1
 123         AC_DEFINE(DONT_TRY_OTHER_AF)
 124         AC_DEFINE(PAM_TTY_KLUDGE)
 125         inet6_default_4in6=yes
 126         ;;
 127 mips-sony-bsd|mips-sony-newsos4)
 128         AC_DEFINE(HAVE_NEWS4)
 129         SONY=1
 130         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 131                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 132         )
 133         ;;
 134 *-*-netbsd*)
 135         need_dash_r=1
 136         ;;
 137 *-*-freebsd*)
 138         check_for_libcrypt_later=1
 139         ;;
 140 *-next-*)
 141         conf_lastlog_location="/usr/adm/lastlog"
 142         conf_utmp_location=/etc/utmp
 143         conf_wtmp_location=/usr/adm/wtmp
 144         MAIL=/usr/spool/mail
 145         AC_DEFINE(HAVE_NEXT)
 146         AC_DEFINE(BROKEN_REALPATH)
 147         AC_DEFINE(USE_PIPES)
 148         AC_DEFINE(BROKEN_SAVED_UIDS)
 149         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 150         CFLAGS="$CFLAGS"
 151         ;;
 152 *-*-solaris*)
 153         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 154         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 155         need_dash_r=1
 156         AC_DEFINE(PAM_SUN_CODEBASE)
 157         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 158         AC_DEFINE(LOGIN_NEEDS_TERM)
 159         # hardwire lastlog location (can't detect it on some versions)
 160         conf_lastlog_location="/var/adm/lastlog"
 161         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 162         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 163         if test "$sol2ver" -ge 8; then
 164                 AC_MSG_RESULT(yes)
 165                 AC_DEFINE(DISABLE_UTMP)
 166                 AC_DEFINE(DISABLE_WTMP)
 167         else
 168                 AC_MSG_RESULT(no)
 169         fi
 170         ;;
 171 *-*-sunos4*)
 172         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 173         AC_CHECK_FUNCS(getpwanam)
 174         AC_DEFINE(PAM_SUN_CODEBASE)
 175         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 176         conf_utmp_location=/etc/utmp
 177         conf_wtmp_location=/var/adm/wtmp
 178         conf_lastlog_location=/var/adm/lastlog
 179         AC_DEFINE(USE_PIPES)
 180         ;;
 181 *-ncr-sysv*)
 182         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 183         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 184         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 185         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 186         ;;
 187 *-sni-sysv*)
 188         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 190         IPADDR_IN_DISPLAY=yes
 191         AC_DEFINE(USE_PIPES)
 192         AC_DEFINE(IP_TOS_IS_BROKEN)
 193         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 194         LIBS="$LIBS -lgen -lnsl -lucb"
 195         ;;
 196 *-*-sysv4.2*)
 197         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 198         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 199         enable_suid_ssh=no
 200         AC_DEFINE(USE_PIPES)
 201         ;;
 202 *-*-sysv5*)
 203         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 204         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 205         enable_suid_ssh=no
 206         AC_DEFINE(USE_PIPES)
 207         ;;
 208 *-*-sysv*)
 209         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 210         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 211         LIBS="$LIBS -lgen -lsocket"
 212         ;;
 213 *-*-sco3.2v4*)
 214         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 215         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 216         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 217         rsh_path="/usr/bin/rcmd"
 218         RANLIB=true
 219         no_dev_ptmx=1
 220         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 221         AC_DEFINE(USE_PIPES)
 222         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 223         AC_DEFINE(DISABLE_SHADOW)
 224         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 225         AC_DEFINE(BROKEN_SAVED_UIDS)
 226         AC_CHECK_FUNCS(getluid setluid)
 227         MANTYPE=man
 228         ;;
 229 *-*-sco3.2v5*)
 230         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 231         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 232         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 233         no_dev_ptmx=1
 234         rsh_path="/usr/bin/rcmd"
 235         AC_DEFINE(USE_PIPES)
 236         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 237         AC_DEFINE(DISABLE_SHADOW)
 238         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 239         AC_CHECK_FUNCS(getluid setluid)
 240         MANTYPE=man
 241         ;;
 242 *-dec-osf*)
 243         AC_MSG_CHECKING(for Digital Unix SIA)
 244         no_osfsia=""
 245         AC_ARG_WITH(osfsia,
 246                 [  --with-osfsia           Enable Digital Unix SIA],
 247                 [
 248                         if test "x$withval" = "xno" ; then
 249                                 AC_MSG_RESULT(disabled)
 250                                 no_osfsia=1
 251                         fi
 252                 ],
 253         )
 254         if test -z "$no_osfsia" ; then
 255                 if test -f /etc/sia/matrix.conf; then
 256                         AC_MSG_RESULT(yes)
 257                         AC_DEFINE(HAVE_OSF_SIA)
 258                         AC_DEFINE(DISABLE_LOGIN)
 259                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 260                 else
 261                         AC_MSG_RESULT(no)
 262                 fi
 263         fi
 264         ;;
 265 esac
 266
 267 # Allow user to specify flags
 268 AC_ARG_WITH(cflags,
 269         [  --with-cflags           Specify additional flags to pass to compiler],
 270         [
 271                 if test "x$withval" != "xno" ; then
 272                         CFLAGS="$CFLAGS $withval"
 273                 fi
 274         ]
 275 )
 276 AC_ARG_WITH(cppflags,
 277         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 278         [
 279                 if test "x$withval" != "xno"; then
 280                         CPPFLAGS="$CPPFLAGS $withval"
 281                 fi
 282         ]
 283 )
 284 AC_ARG_WITH(ldflags,
 285         [  --with-ldflags          Specify additional flags to pass to linker],
 286         [
 287                 if test "x$withval" != "xno" ; then
 288                         LDFLAGS="$LDFLAGS $withval"
 289                 fi
 290         ]
 291 )
 292 AC_ARG_WITH(libs,
 293         [  --with-libs             Specify additional libraries to link with],
 294         [
 295                 if test "x$withval" != "xno" ; then
 296                         LIBS="$LIBS $withval"
 297                 fi
 298         ]
 299 )
 300
 301 AC_ARG_WITH(pcre,
 302         [  --with-pcre             Override built in regex library with pcre],
 303         [
 304
 305                 AC_CHECK_LIB(pcre, pcre_info,
 306                         [
 307                                 AC_DEFINE(HAVE_LIBPCRE)
 308                                 LIBS="$LIBS -lpcreposix -lpcre"
 309                                 no_comp_check="yes"
 310                         ],
 311                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 312                 )
 313         ]
 314 )
 315
 316 # Checks for libraries.
 317 if test -z "$no_libnsl" ; then
 318         AC_CHECK_LIB(nsl, yp_match, , )
 319 fi
 320 if test -z "$no_libsocket" ; then
 321         AC_CHECK_LIB(socket, main, , )
 322 fi
 323
 324 dnl SCO OS3 needs this for libwrap
 325 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 326
 327 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 328 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 329 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 330
 331 # We don't want to check if we did an pcre override.
 332 if test -z "$no_comp_check" ; then
 333         AC_CHECK_FUNC(regcomp,
 334                 [ AC_DEFINE(HAVE_REGCOMP)],
 335                 [
 336                         AC_CHECK_LIB(pcre, pcre_info,
 337                         [
 338                                 AC_DEFINE(HAVE_LIBPCRE)
 339                                 LIBS="$LIBS -lpcreposix -lpcre"
 340                         ],
 341                         [
 342                                 AC_MSG_ERROR([*** No regex library found.])
 343                         ])
 344                 ]
 345         )
 346 fi
 347
 348 dnl UnixWare 2.x
 349 AC_CHECK_FUNC(strcasecmp,
 350         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 351 )
 352 AC_CHECK_FUNC(utimes,
 353         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 354 )
 355
 356 AC_FUNC_STRFTIME
 357
 358 # Checks for header files.
 359 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)
 360
 361 # Check for ALTDIRFUNC glob() extension
 362 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 363 AC_EGREP_CPP(FOUNDIT,
 364         [
 365                 #include <glob.h>
 366                 #ifdef GLOB_ALTDIRFUNC
 367                 FOUNDIT
 368                 #endif
 369         ],
 370         [
 371                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 372                 AC_MSG_RESULT(yes)
 373         ],
 374         [
 375                 AC_MSG_RESULT(no)
 376         ]
 377 )
 378
 379 # Check for g.gl_matchc glob() extension
 380 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 381 AC_EGREP_CPP(FOUNDIT,
 382         [
 383                 #include <glob.h>
 384                 int main(void){glob_t g; g.gl_matchc = 1;}
 385         ],
 386         [
 387                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 388                 AC_MSG_RESULT(yes)
 389         ],
 390         [
 391                 AC_MSG_RESULT(no)
 392         ]
 393 )
 394
 395 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 396 AC_TRY_RUN(
 397         [
 398 #include <sys/types.h>
 399 #include <dirent.h>
 400 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 401         ],
 402         [AC_MSG_RESULT(yes)],
 403         [
 404                 AC_MSG_RESULT(no)
 405                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 406         ]
 407 )
 408
 409 # Check whether user wants S/Key support
 410 SKEY_MSG="no"
 411 AC_ARG_WITH(skey,
 412         [  --with-skey=PATH         Enable S/Key support],
 413         [
 414                 if test "x$withval" != "xno" ; then
 415
 416                         if test "x$withval" != "xyes" ; then
 417                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 418                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 419                         fi
 420
 421                         AC_DEFINE(SKEY)
 422                         LIBS="-lskey $LIBS"
 423                         SKEY_MSG="yes"
 424
 425                         AC_CHECK_FUNC(skey_keyinfo,
 426                                 [],
 427                                 [
 428                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 429                                 ])
 430                 fi
 431         ]
 432 )
 433
 434 # Check whether user wants TCP wrappers support
 435 TCPW_MSG="no"
 436 AC_ARG_WITH(tcp-wrappers,
 437         [  --with-tcp-wrappers     Enable tcpwrappers support],
 438         [
 439                 if test "x$withval" != "xno" ; then
 440                         saved_LIBS="$LIBS"
 441                         LIBS="-lwrap $LIBS"
 442                         AC_MSG_CHECKING(for libwrap)
 443                         AC_TRY_LINK(
 444                                 [
 445 #include <tcpd.h>
 446                                         int deny_severity = 0, allow_severity = 0;
 447                                 ],
 448                                 [hosts_access(0);],
 449                                 [
 450                                         AC_MSG_RESULT(yes)
 451                                         AC_DEFINE(LIBWRAP)
 452                                         TCPW_MSG="yes"
 453                                 ],
 454                                 [
 455                                         AC_MSG_ERROR([*** libwrap missing])
 456                                 ]
 457                         )
 458                 fi
 459         ]
 460 )
 461
 462 dnl    Checks for library functions.
 463 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock dirname 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 setvbuf sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 464 dnl    Checks for time functions
 465 AC_CHECK_FUNCS(gettimeofday time)
 466 dnl    Checks for libutil functions
 467 AC_CHECK_HEADERS(libutil.h)
 468 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 469 dnl    Checks for utmp functions
 470 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 471 AC_CHECK_FUNCS(utmpname)
 472 dnl    Checks for utmpx functions
 473 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 474 AC_CHECK_FUNCS(setutxent utmpxname)
 475
 476 AC_CHECK_FUNC(getuserattr,
 477         [AC_DEFINE(HAVE_GETUSERATTR)],
 478         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 479 )
 480
 481 AC_CHECK_FUNC(login,
 482         [AC_DEFINE(HAVE_LOGIN)],
 483         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 484 )
 485
 486 AC_CHECK_FUNC(daemon,
 487         [AC_DEFINE(HAVE_DAEMON)],
 488         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 489 )
 490
 491 AC_CHECK_FUNC(getpagesize,
 492         [AC_DEFINE(HAVE_GETPAGESIZE)],
 493         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 494 )
 495
 496 # Check for broken snprintf
 497 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 498         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 499         AC_TRY_RUN(
 500                 [
 501 #include <stdio.h>
 502 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 503                 ],
 504                 [AC_MSG_RESULT(yes)],
 505                 [
 506                         AC_MSG_RESULT(no)
 507                         AC_DEFINE(BROKEN_SNPRINTF)
 508                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 509                 ]
 510         )
 511 fi
 512
 513 AC_FUNC_GETPGRP
 514
 515 # Check for PAM libs
 516 PAM_MSG="no"
 517 AC_ARG_WITH(pam,
 518         [  --with-pam              Enable PAM support ],
 519         [
 520                 if test "x$withval" != "xno" ; then
 521                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 522                                 AC_MSG_ERROR([PAM headers not found])
 523                         fi
 524
 525                         AC_CHECK_LIB(dl, dlopen, , )
 526                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 527                         AC_CHECK_FUNCS(pam_getenvlist)
 528
 529                         disable_shadow=yes
 530                         PAM_MSG="yes"
 531
 532                         AC_DEFINE(USE_PAM)
 533                 fi
 534         ]
 535 )
 536
 537 # Check for older PAM
 538 if test "x$PAM_MSG" = "xyes" ; then
 539         # Check PAM strerror arguments (old PAM)
 540         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 541         AC_TRY_COMPILE(
 542                 [
 543 #include <stdlib.h>
 544 #include <security/pam_appl.h>
 545                 ],
 546                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 547                 [AC_MSG_RESULT(no)],
 548                 [
 549                         AC_DEFINE(HAVE_OLD_PAM)
 550                         AC_MSG_RESULT(yes)
 551                         PAM_MSG="yes (old library)"
 552                 ]
 553         )
 554 fi
 555
 556 # The big search for OpenSSL
 557 AC_ARG_WITH(ssl-dir,
 558         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 559         [
 560                 if test "x$withval" != "xno" ; then
 561                         tryssldir=$withval
 562                 fi
 563         ]
 564 )
 565
 566 saved_LIBS="$LIBS"
 567 saved_LDFLAGS="$LDFLAGS"
 568 saved_CPPFLAGS="$CPPFLAGS"
 569 if test "x$prefix" != "xNONE" ; then
 570         tryssldir="$tryssldir $prefix"
 571 fi
 572 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 573         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 574                 CPPFLAGS="$saved_CPPFLAGS"
 575                 LDFLAGS="$saved_LDFLAGS"
 576                 LIBS="$saved_LIBS -lcrypto"
 577
 578                 # Skip directories if they don't exist
 579                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 580                         continue;
 581                 fi
 582                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 583                         # Try to use $ssldir/lib if it exists, otherwise
 584                         # $ssldir
 585                         if test -d "$ssldir/lib" ; then
 586                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 587                                 if test ! -z "$need_dash_r" ; then
 588                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 589                                 fi
 590                         else
 591                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 592                                 if test ! -z "$need_dash_r" ; then
 593                                         LDFLAGS="-R$ssldir $LDFLAGS"
 594                                 fi
 595                         fi
 596                         # Try to use $ssldir/include if it exists, otherwise
 597                         # $ssldir
 598                         if test -d "$ssldir/include" ; then
 599                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 600                         else
 601                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 602                         fi
 603                 fi
 604
 605                 # Basic test to check for compatible version and correct linking
 606                 # *does not* test for RSA - that comes later.
 607                 AC_TRY_RUN(
 608                         [
 609 #include <string.h>
 610 #include <openssl/rand.h>
 611 int main(void)
 612 {
 613         char a[2048];
 614         memset(a, 0, sizeof(a));
 615         RAND_add(a, sizeof(a), sizeof(a));
 616         return(RAND_status() <= 0);
 617 }
 618                         ],
 619                         [
 620                                 found_crypto=1
 621                                 break;
 622                         ], []
 623                 )
 624
 625                 if test ! -z "$found_crypto" ; then
 626                         break;
 627                 fi
 628         done
 629
 630         if test -z "$found_crypto" ; then
 631                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 632         fi
 633         if test -z "$ssldir" ; then
 634                 ssldir="(system)"
 635         fi
 636
 637         ac_cv_openssldir=$ssldir
 638 ])
 639
 640 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 641         AC_DEFINE(HAVE_OPENSSL)
 642         dnl Need to recover ssldir - test above runs in subshell
 643         ssldir=$ac_cv_openssldir
 644         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 645                 # Try to use $ssldir/lib if it exists, otherwise
 646                 # $ssldir
 647                 if test -d "$ssldir/lib" ; then
 648                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 649                         if test ! -z "$need_dash_r" ; then
 650                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 651                         fi
 652                 else
 653                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 654                         if test ! -z "$need_dash_r" ; then
 655                                 LDFLAGS="-R$ssldir $LDFLAGS"
 656                         fi
 657                 fi
 658                 # Try to use $ssldir/include if it exists, otherwise
 659                 # $ssldir
 660                 if test -d "$ssldir/include" ; then
 661                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 662                 else
 663                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 664                 fi
 665         fi
 666 fi
 667 LIBS="$saved_LIBS -lcrypto"
 668
 669 # Now test RSA support
 670 saved_LIBS="$LIBS"
 671 AC_MSG_CHECKING([for RSA support])
 672 for WANTS_RSAREF in "" 1 ; do
 673         if test -z "$WANTS_RSAREF" ; then
 674                 LIBS="$saved_LIBS"
 675         else
 676                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 677         fi
 678         AC_TRY_RUN([
 679 #include <string.h>
 680 #include <openssl/rand.h>
 681 #include <openssl/rsa.h>
 682 #include <openssl/bn.h>
 683 #include <openssl/sha.h>
 684 int main(void)
 685 {
 686         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 687         unsigned char c[256], p[256];
 688         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 689         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 690         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 691         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 692 }
 693         ],
 694         [
 695                 rsa_works=1
 696                 break;
 697         ], [])
 698 done
 699 LIBS="$saved_LIBS"
 700
 701 if test ! -z "$no_rsa" ; then
 702         AC_MSG_RESULT(disabled)
 703         RSA_MSG="disabled"
 704 else
 705         if test -z "$rsa_works" ; then
 706                 AC_MSG_WARN([*** No RSA support found *** ])
 707                 RSA_MSG="no"
 708         else
 709                 if test -z "$WANTS_RSAREF" ; then
 710                         AC_MSG_RESULT(yes)
 711                         RSA_MSG="yes"
 712                 else
 713                         RSA_MSG="yes (using RSAref)"
 714                         AC_MSG_RESULT(using RSAref)
 715                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 716                 fi
 717         fi
 718 fi
 719
 720 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 721 # version in OpenSSL. Skip this for PAM
 722 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 723         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 724 fi
 725
 726 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 727 if test ! -z "$SONY" ; then
 728   LIBS="$LIBS -liberty";
 729 fi
 730
 731 # Checks for data types
 732 AC_CHECK_SIZEOF(char, 1)
 733 AC_CHECK_SIZEOF(short int, 2)
 734 AC_CHECK_SIZEOF(int, 4)
 735 AC_CHECK_SIZEOF(long int, 4)
 736 AC_CHECK_SIZEOF(long long int, 8)
 737
 738 # More checks for data types
 739 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 740         AC_TRY_COMPILE(
 741                 [ #include <sys/types.h> ],
 742                 [ u_int a; a = 1;],
 743                 [ ac_cv_have_u_int="yes" ],
 744                 [ ac_cv_have_u_int="no" ]
 745         )
 746 ])
 747 if test "x$ac_cv_have_u_int" = "xyes" ; then
 748         AC_DEFINE(HAVE_U_INT)
 749         have_u_int=1
 750 fi
 751
 752 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 753         AC_TRY_COMPILE(
 754                 [ #include <sys/types.h> ],
 755                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 756                 [ ac_cv_have_intxx_t="yes" ],
 757                 [ ac_cv_have_intxx_t="no" ]
 758         )
 759 ])
 760 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 761         AC_DEFINE(HAVE_INTXX_T)
 762         have_intxx_t=1
 763 fi
 764
 765 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 766         AC_TRY_COMPILE(
 767                 [ #include <sys/types.h> ],
 768                 [ int64_t a; a = 1;],
 769                 [ ac_cv_have_int64_t="yes" ],
 770                 [ ac_cv_have_int64_t="no" ]
 771         )
 772 ])
 773 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 774         AC_DEFINE(HAVE_INT64_T)
 775         have_int64_t=1
 776 fi
 777
 778 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 779         AC_TRY_COMPILE(
 780                 [ #include <sys/types.h> ],
 781                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 782                 [ ac_cv_have_u_intxx_t="yes" ],
 783                 [ ac_cv_have_u_intxx_t="no" ]
 784         )
 785 ])
 786 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 787         AC_DEFINE(HAVE_U_INTXX_T)
 788         have_u_intxx_t=1
 789 fi
 790
 791 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 792         AC_TRY_COMPILE(
 793                 [ #include <sys/types.h> ],
 794                 [ u_int64_t a; a = 1;],
 795                 [ ac_cv_have_u_int64_t="yes" ],
 796                 [ ac_cv_have_u_int64_t="no" ]
 797         )
 798 ])
 799 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 800         AC_DEFINE(HAVE_U_INT64_T)
 801         have_u_int64_t=1
 802 fi
 803
 804 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 805            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 806 then
 807         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 808         AC_TRY_COMPILE(
 809                 [
 810 #include <sys/bitypes.h>
 811                 ],
 812                 [
 813                         int8_t a; int16_t b; int32_t c;
 814                         u_int8_t e; u_int16_t f; u_int32_t g;
 815                         a = b = c = e = f = g = 1;
 816                 ],
 817                 [
 818                         AC_DEFINE(HAVE_U_INTXX_T)
 819                         AC_DEFINE(HAVE_INTXX_T)
 820                         AC_MSG_RESULT(yes)
 821                 ],
 822                 [AC_MSG_RESULT(no)]
 823         )
 824 fi
 825
 826 if test -z "$have_u_intxx_t" ; then
 827         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 828                 AC_TRY_COMPILE(
 829                         [
 830 #include <sys/types.h>
 831                         ],
 832                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 833                         [ ac_cv_have_uintxx_t="yes" ],
 834                         [ ac_cv_have_uintxx_t="no" ]
 835                 )
 836         ])
 837         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 838                 AC_DEFINE(HAVE_UINTXX_T)
 839         fi
 840 fi
 841
 842 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 843         AC_TRY_COMPILE(
 844                 [
 845 #include <sys/types.h>
 846 #include <sys/socket.h>
 847                 ],
 848                 [socklen_t foo; foo = 1235;],
 849                 [ ac_cv_have_socklen_t="yes" ],
 850                 [ ac_cv_have_socklen_t="no" ]
 851         )
 852 ])
 853 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 854         AC_DEFINE(HAVE_SOCKLEN_T)
 855 fi
 856
 857 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 858         AC_TRY_COMPILE(
 859                 [
 860 #include <sys/types.h>
 861                 ],
 862                 [ size_t foo; foo = 1235; ],
 863                 [ ac_cv_have_size_t="yes" ],
 864                 [ ac_cv_have_size_t="no" ]
 865         )
 866 ])
 867 if test "x$ac_cv_have_size_t" = "xyes" ; then
 868         AC_DEFINE(HAVE_SIZE_T)
 869 fi
 870
 871 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 872         AC_TRY_COMPILE(
 873                 [
 874 #include <sys/types.h>
 875                 ],
 876                 [ ssize_t foo; foo = 1235; ],
 877                 [ ac_cv_have_ssize_t="yes" ],
 878                 [ ac_cv_have_ssize_t="no" ]
 879         )
 880 ])
 881 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 882         AC_DEFINE(HAVE_SSIZE_T)
 883 fi
 884
 885 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 886         AC_TRY_COMPILE(
 887                 [
 888 #include <time.h>
 889                 ],
 890                 [ clock_t foo; foo = 1235; ],
 891                 [ ac_cv_have_clock_t="yes" ],
 892                 [ ac_cv_have_clock_t="no" ]
 893         )
 894 ])
 895 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 896         AC_DEFINE(HAVE_CLOCK_T)
 897 fi
 898
 899 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 900         AC_TRY_COMPILE(
 901                 [
 902 #include <sys/types.h>
 903 #include <sys/socket.h>
 904                 ],
 905                 [ sa_family_t foo; foo = 1235; ],
 906                 [ ac_cv_have_sa_family_t="yes" ],
 907                 [ AC_TRY_COMPILE(
 908                   [
 909 #include <sys/types.h>
 910 #include <sys/socket.h>
 911 #include <netinet/in.h>
 912                 ],
 913                 [ sa_family_t foo; foo = 1235; ],
 914                 [ ac_cv_have_sa_family_t="yes" ],
 915
 916                 [ ac_cv_have_sa_family_t="no" ]
 917         )]
 918         )
 919 ])
 920 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 921         AC_DEFINE(HAVE_SA_FAMILY_T)
 922 fi
 923
 924 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 925         AC_TRY_COMPILE(
 926                 [
 927 #include <sys/types.h>
 928                 ],
 929                 [ pid_t foo; foo = 1235; ],
 930                 [ ac_cv_have_pid_t="yes" ],
 931                 [ ac_cv_have_pid_t="no" ]
 932         )
 933 ])
 934 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 935         AC_DEFINE(HAVE_PID_T)
 936 fi
 937
 938 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 939         AC_TRY_COMPILE(
 940                 [
 941 #include <sys/types.h>
 942                 ],
 943                 [ mode_t foo; foo = 1235; ],
 944                 [ ac_cv_have_mode_t="yes" ],
 945                 [ ac_cv_have_mode_t="no" ]
 946         )
 947 ])
 948 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 949         AC_DEFINE(HAVE_MODE_T)
 950 fi
 951
 952
 953 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 954         AC_TRY_COMPILE(
 955                 [
 956 #include <sys/types.h>
 957 #include <sys/socket.h>
 958                 ],
 959                 [ struct sockaddr_storage s; ],
 960                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 961                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 962         )
 963 ])
 964 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 965         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 966 fi
 967
 968 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 969         AC_TRY_COMPILE(
 970                 [
 971 #include <sys/types.h>
 972 #include <netinet/in.h>
 973                 ],
 974                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 975                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 976                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 977         )
 978 ])
 979 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 980         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 981 fi
 982
 983 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 984         AC_TRY_COMPILE(
 985                 [
 986 #include <sys/types.h>
 987 #include <netinet/in.h>
 988                 ],
 989                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 990                 [ ac_cv_have_struct_in6_addr="yes" ],
 991                 [ ac_cv_have_struct_in6_addr="no" ]
 992         )
 993 ])
 994 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 995         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 996 fi
 997
 998 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 999         AC_TRY_COMPILE(
1000                 [
1001 #include <sys/types.h>
1002 #include <sys/socket.h>
1003 #include <netdb.h>
1004                 ],
1005                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1006                 [ ac_cv_have_struct_addrinfo="yes" ],
1007                 [ ac_cv_have_struct_addrinfo="no" ]
1008         )
1009 ])
1010 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1011         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1012 fi
1013
1014 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1015         AC_TRY_COMPILE(
1016                 [ #include <sys/time.h> ],
1017                 [ struct timeval tv; tv.tv_sec = 1;],
1018                 [ ac_cv_have_struct_timeval="yes" ],
1019                 [ ac_cv_have_struct_timeval="no" ]
1020         )
1021 ])
1022 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1023         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1024         have_struct_timeval=1
1025 fi
1026
1027 # If we don't have int64_t then we can't compile sftp-server.  So don't
1028 # even attempt to do it.
1029 if test "x$ac_cv_have_int64_t" = "xno" -a \
1030         "x$ac_cv_sizeof_long_int" != "x8" -a \
1031         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1032         NO_SFTP='#'
1033 else
1034 dnl test snprintf (broken on SCO w/gcc)
1035         AC_TRY_RUN(
1036                 [
1037 #include <stdio.h>
1038 #include <string.h>
1039 #ifdef HAVE_SNPRINTF
1040 main()
1041 {
1042         char buf[50];
1043         char expected_out[50];
1044         int mazsize = 50 ;
1045 #if (SIZEOF_LONG_INT == 8)
1046         long int num = 0x7fffffffffffffff;
1047 #else
1048         long long num = 0x7fffffffffffffff;
1049 #endif
1050         strcpy(expected_out, "9223372036854775807");
1051         snprintf(buf, mazsize, "%lld", num);
1052         if(strcmp(buf, expected_out) != 0)
1053                 exit(1);
1054         exit(0);
1055 }
1056 #else
1057 main() { exit(0); }
1058 #endif
1059                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1060         )
1061 fi
1062 AC_SUBST(NO_SFTP)
1063
1064 dnl Checks for structure members
1065 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1066 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1067 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1068 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1069 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1072 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1073 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1074 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1076 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1077 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1078 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1079 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1080 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1081 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1082 AC_STRUCT_ST_BLKSIZE
1083
1084 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1085                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1086         AC_TRY_COMPILE(
1087                 [
1088 #include <sys/types.h>
1089 #include <sys/socket.h>
1090                 ],
1091                 [ struct sockaddr_un s; s.sun_len = 1; ],
1092                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1093                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1094         )
1095 ])
1096 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1097         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1098 fi
1099
1100 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1101                 ac_cv_have_ss_family_in_struct_ss, [
1102         AC_TRY_COMPILE(
1103                 [
1104 #include <sys/types.h>
1105 #include <sys/socket.h>
1106                 ],
1107                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1108                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1109                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1110         )
1111 ])
1112 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1113         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1114 fi
1115
1116 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1117                 ac_cv_have___ss_family_in_struct_ss, [
1118         AC_TRY_COMPILE(
1119                 [
1120 #include <sys/types.h>
1121 #include <sys/socket.h>
1122                 ],
1123                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1124                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1125                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1126         )
1127 ])
1128 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1129         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1130 fi
1131
1132 AC_CACHE_CHECK([for pw_class field in struct passwd],
1133                 ac_cv_have_pw_class_in_struct_passwd, [
1134         AC_TRY_COMPILE(
1135                 [
1136 #include <pwd.h>
1137                 ],
1138                 [ struct passwd p; p.pw_class = 0; ],
1139                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1140                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1141         )
1142 ])
1143 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1144         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1145 fi
1146
1147 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1148                 ac_cv_have_pw_expire_in_struct_passwd, [
1149         AC_TRY_COMPILE(
1150                 [
1151 #include <pwd.h>
1152                 ],
1153                 [ struct passwd p; p.pw_expire = 0; ],
1154                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1155                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1156         )
1157 ])
1158 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1159         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1160 fi
1161
1162 AC_CACHE_CHECK([for pw_change field in struct passwd],
1163                 ac_cv_have_pw_change_in_struct_passwd, [
1164         AC_TRY_COMPILE(
1165                 [
1166 #include <pwd.h>
1167                 ],
1168                 [ struct passwd p; p.pw_change = 0; ],
1169                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1170                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1171         )
1172 ])
1173 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1174         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1175 fi
1176
1177 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1178         AC_TRY_LINK([],
1179                 [ extern char *__progname; printf("%s", __progname); ],
1180                 [ ac_cv_libc_defines___progname="yes" ],
1181                 [ ac_cv_libc_defines___progname="no" ]
1182         )
1183 ])
1184 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1185         AC_DEFINE(HAVE___PROGNAME)
1186 fi
1187
1188
1189 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1190         AC_TRY_LINK([],
1191                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1192                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1193                 [ ac_cv_libc_defines_sys_errlist="no" ]
1194         )
1195 ])
1196 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1197         AC_DEFINE(HAVE_SYS_ERRLIST)
1198 fi
1199
1200
1201 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1202         AC_TRY_LINK([],
1203                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1204                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1205                 [ ac_cv_libc_defines_sys_nerr="no" ]
1206         )
1207 ])
1208 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1209         AC_DEFINE(HAVE_SYS_NERR)
1210 fi
1211
1212
1213 # Check whether user wants Kerberos support
1214 KRB4_MSG="no"
1215 AC_ARG_WITH(kerberos4,
1216         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1217         [
1218                 if test "x$withval" != "xno" ; then
1219
1220                         if test "x$withval" != "xyes" ; then
1221                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1222                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1223                                 if test ! -z "$need_dash_r" ; then
1224                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1225                                 fi
1226                                 if test ! -z "$blibpath" ; then
1227                                         blibpath="$blibpath:${withval}/lib"
1228                                 fi
1229                         else
1230                                 if test -d /usr/include/kerberosIV ; then
1231                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1232                                 fi
1233                         fi
1234
1235                         AC_CHECK_HEADERS(krb.h)
1236                         if test "$ac_cv_header_krb_h" != yes; then
1237                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1238                         fi
1239                         AC_CHECK_LIB(krb, main)
1240                         if test "$ac_cv_lib_krb_main" != yes; then
1241                                 AC_CHECK_LIB(krb4, main)
1242                                 if test "$ac_cv_lib_krb4_main" != yes; then
1243                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1244                                 else
1245                                         KLIBS="-lkrb4"
1246                                 fi
1247                         else
1248                                 KLIBS="-lkrb"
1249                         fi
1250                         AC_CHECK_LIB(des, des_cbc_encrypt)
1251                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1252                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1253                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1254                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1255                                 else
1256                                         KLIBS="-ldes425"
1257                                 fi
1258                         else
1259                                 KLIBS="-ldes"
1260                         fi
1261                         AC_CHECK_LIB(resolv, dn_expand, , )
1262                         KRB4=yes
1263                         KRB4_MSG="yes"
1264                         AC_DEFINE(KRB4)
1265                 fi
1266         ]
1267 )
1268
1269 # Check whether user wants AFS support
1270 AFS_MSG="no"
1271 AC_ARG_WITH(afs,
1272         [  --with-afs=PATH         Enable AFS support],
1273         [
1274                 if test "x$withval" != "xno" ; then
1275
1276                         if test "x$withval" != "xyes" ; then
1277                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1278                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1279                         fi
1280
1281                         if test -z "$KRB4" ; then
1282                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1283                         fi
1284
1285                         LIBS="-lkafs $LIBS"
1286                         if test ! -z "$AFS_LIBS" ; then
1287                                 LIBS="$LIBS $AFS_LIBS"
1288                         fi
1289                         AC_DEFINE(AFS)
1290                         AFS_MSG="yes"
1291                 fi
1292         ]
1293 )
1294 LIBS="$LIBS $KLIBS"
1295
1296 # Looking for programs, paths and files
1297 AC_ARG_WITH(rsh,
1298         [  --with-rsh=PATH         Specify path to remote shell program ],
1299         [
1300                 if test "x$withval" != "$no" ; then
1301                         rsh_path=$withval
1302                 fi
1303         ],
1304         [
1305                 AC_PATH_PROG(rsh_path, rsh)
1306         ]
1307 )
1308
1309 AC_ARG_WITH(xauth,
1310         [  --with-xauth=PATH       Specify path to xauth program ],
1311         [
1312                 if test "x$withval" != "xno" ; then
1313                         xauth_path=$withval
1314                 fi
1315         ],
1316         [
1317                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1318                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1319                         xauth_path="/usr/openwin/bin/xauth"
1320                 fi
1321         ]
1322 )
1323
1324 if test -z "$xauth_path" ; then
1325         XAUTH_PATH="undefined"
1326         AC_SUBST(XAUTH_PATH)
1327 else
1328         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1329         XAUTH_PATH=$xauth_path
1330         AC_SUBST(XAUTH_PATH)
1331 fi
1332 if test ! -z "$rsh_path" ; then
1333         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1334 fi
1335
1336 # Check for mail directory (last resort if we cannot get it from headers)
1337 if test ! -z "$MAIL" ; then
1338         maildir=`dirname $MAIL`
1339         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1340 fi
1341
1342 if test -z "$no_dev_ptmx" ; then
1343         AC_CHECK_FILE("/dev/ptmx",
1344                 [
1345                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1346                         have_dev_ptmx=1
1347                 ]
1348         )
1349 fi
1350 AC_CHECK_FILE("/dev/ptc",
1351         [
1352                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1353                 have_dev_ptc=1
1354         ]
1355 )
1356
1357 # Options from here on. Some of these are preset by platform above
1358
1359 # Check for user-specified random device, otherwise check /dev/urandom
1360 AC_ARG_WITH(random,
1361         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1362         [
1363                 if test "x$withval" != "xno" ; then
1364                         RANDOM_POOL="$withval";
1365                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1366                 fi
1367         ],
1368         [
1369                 # Check for random device
1370                 AC_CHECK_FILE("/dev/urandom",
1371                         [
1372                                 RANDOM_POOL="/dev/urandom";
1373                                 AC_SUBST(RANDOM_POOL)
1374                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1375                         ]
1376                 )
1377         ]
1378 )
1379
1380 # Check for PRNGD/EGD pool file
1381 AC_ARG_WITH(prngd-port,
1382         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1383         [
1384                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1385                         PRNGD_PORT="$withval"
1386                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1387                 fi
1388         ]
1389 )
1390
1391 # Check for PRNGD/EGD pool file
1392 AC_ARG_WITH(prngd-socket,
1393         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1394         [
1395                 if test "x$withval" != "xno" ; then
1396                         PRNGD_SOCKET="$withval"
1397                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1398                 fi
1399         ],
1400         [
1401                 # Check for existing socket only if we don't have a random device already
1402                 if test -z "$RANDOM_POOL" ; then
1403                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1404                         # Insert other locations here
1405                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1406                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1407                                         PRNGD_SOCKET="$sock"
1408                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1409                                         break;
1410                                 fi
1411                         done
1412                         if test ! -z "$PRNGD_SOCKET" ; then
1413                                 AC_MSG_RESULT($PRNGD_SOCKET)
1414                         else
1415                                 AC_MSG_RESULT(not found)
1416                         fi
1417                 fi
1418         ]
1419 )
1420
1421
1422 # detect pathnames for entropy gathering commands, if we need them
1423 INSTALL_SSH_PRNG_CMDS=""
1424 rm -f prng_commands
1425 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1426         # Use these commands to collect entropy
1427         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1428         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1429         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1430         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1431         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1432         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1433         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1434         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1435         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1436         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1437         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1438         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1439         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1440         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1441
1442         INSTALL_SSH_PRNG_CMDS="yes"
1443 fi
1444 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1445
1446
1447 AC_ARG_WITH(mantype,
1448         [  --with-mantype=man|cat|doc  Set man page type],
1449         [
1450                 case "$withval" in
1451                 man|cat|doc)
1452                         MANTYPE=$withval
1453                         ;;
1454                 *)
1455                         AC_MSG_ERROR(invalid man type: $withval)
1456                         ;;
1457                 esac
1458         ]
1459 )
1460 if test -z "$MANTYPE"; then
1461         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1462         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1463                 MANTYPE=doc
1464         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1465                 MANTYPE=man
1466         else
1467                 MANTYPE=cat
1468         fi
1469 fi
1470 AC_SUBST(MANTYPE)
1471 if test "$MANTYPE" = "doc"; then
1472         mansubdir=man;
1473 else
1474         mansubdir=$MANTYPE;
1475 fi
1476 AC_SUBST(mansubdir)
1477
1478 # Check whether to enable MD5 passwords
1479 MD5_MSG="no"
1480 AC_ARG_WITH(md5-passwords,
1481         [  --with-md5-passwords    Enable use of MD5 passwords],
1482         [
1483                 if test "x$withval" != "xno" ; then
1484                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1485                         MD5_MSG="yes"
1486                 fi
1487         ]
1488 )
1489
1490 # Whether to disable shadow password support
1491 AC_ARG_WITH(shadow,
1492         [  --without-shadow        Disable shadow password support],
1493         [
1494                 if test "x$withval" = "xno" ; then
1495                         AC_DEFINE(DISABLE_SHADOW)
1496                         disable_shadow=yes
1497                 fi
1498         ]
1499 )
1500
1501 if test -z "$disable_shadow" ; then
1502         AC_MSG_CHECKING([if the systems has expire shadow information])
1503         AC_TRY_COMPILE(
1504         [
1505 #include <sys/types.h>
1506 #include <shadow.h>
1507         struct spwd sp;
1508         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1509         [ sp_expire_available=yes ], []
1510         )
1511
1512         if test "x$sp_expire_available" = "xyes" ; then
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1515         else
1516                 AC_MSG_RESULT(no)
1517         fi
1518 fi
1519
1520 # Use ip address instead of hostname in $DISPLAY
1521 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1522         DISPLAY_HACK_MSG="yes"
1523         AC_DEFINE(IPADDR_IN_DISPLAY)
1524 else
1525         DISPLAY_HACK_MSG="no"
1526         AC_ARG_WITH(ipaddr-display,
1527                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1528                 [
1529                         if test "x$withval" != "xno" ; then
1530                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1531                                 DISPLAY_HACK_MSG="yes"
1532                         fi
1533                 ]
1534         )
1535 fi
1536
1537 # Whether to mess with the default path
1538 SERVER_PATH_MSG="(default)"
1539 AC_ARG_WITH(default-path,
1540         [  --with-default-path=PATH Specify default \$PATH environment for server],
1541         [
1542                 if test "x$withval" != "xno" ; then
1543                         user_path="$withval"
1544                         SERVER_PATH_MSG="$withval"
1545                 fi
1546         ],
1547         [
1548         AC_TRY_RUN(
1549                 [
1550 /* find out what STDPATH is */
1551 #include <stdio.h>
1552 #ifdef HAVE_PATHS_H
1553 # include <paths.h>
1554 #endif
1555 #ifndef _PATH_STDPATH
1556 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1557 #endif
1558 #include <sys/types.h>
1559 #include <sys/stat.h>
1560 #include <fcntl.h>
1561 #define DATA "conftest.stdpath"
1562
1563 main()
1564 {
1565         FILE *fd;
1566         int rc;
1567
1568         fd = fopen(DATA,"w");
1569         if(fd == NULL)
1570                 exit(1);
1571
1572         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1573                 exit(1);
1574
1575         exit(0);
1576 }
1577                 ], [ user_path=`cat conftest.stdpath` ],
1578                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1579                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1580         )
1581 # make sure $bindir is in USER_PATH so scp will work
1582                 t_bindir=`eval echo ${bindir}`
1583                 case $t_bindir in
1584                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1585                 esac
1586                 case $t_bindir in
1587                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1588                 esac
1589                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1590                 if test $? -ne 0  ; then
1591                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1592                         if test $? -ne 0  ; then
1593                                 user_path=$user_path:$t_bindir
1594                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1595                         fi
1596                 fi
1597         ]
1598 )
1599 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1600 AC_SUBST(user_path)
1601
1602 # Whether to force IPv4 by default (needed on broken glibc Linux)
1603 IPV4_HACK_MSG="no"
1604 AC_ARG_WITH(ipv4-default,
1605         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1606         [
1607                 if test "x$withval" != "xno" ; then
1608                         AC_DEFINE(IPV4_DEFAULT)
1609                         IPV4_HACK_MSG="yes"
1610                 fi
1611         ]
1612 )
1613
1614 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1615 IPV4_IN6_HACK_MSG="no"
1616 AC_ARG_WITH(4in6,
1617         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1618         [
1619                 if test "x$withval" != "xno" ; then
1620                         AC_MSG_RESULT(yes)
1621                         AC_DEFINE(IPV4_IN_IPV6)
1622                         IPV4_IN6_HACK_MSG="yes"
1623                 else
1624                         AC_MSG_RESULT(no)
1625                 fi
1626         ],[
1627                 if test "x$inet6_default_4in6" = "xyes"; then
1628                         AC_MSG_RESULT([yes (default)])
1629                         AC_DEFINE(IPV4_IN_IPV6)
1630                         IPV4_IN6_HACK_MSG="yes"
1631                 else
1632                         AC_MSG_RESULT([no (default)])
1633                 fi
1634         ]
1635 )
1636
1637 # Whether to enable BSD auth support
1638 AC_ARG_WITH(bsd-auth,
1639         [  --with-bsd-auth         Enable BSD auth support],
1640         [
1641                 if test "x$withval" != "xno" ; then
1642                         AC_DEFINE(BSD_AUTH)
1643                         bsd_auth=yes
1644                 fi
1645         ]
1646 )
1647
1648 AC_MSG_CHECKING(whether to install ssh as suid root)
1649 AC_ARG_ENABLE(suid-ssh,
1650 [  --enable-suid-ssh       Install ssh as suid root (default)
1651   --disable-suid-ssh      Install ssh without suid bit],
1652 [ case "$enableval" in
1653   no)
1654        AC_MSG_RESULT(no)
1655        SSHMODE=0711
1656        ;;
1657   *)   AC_MSG_RESULT(yes)
1658        SSHMODE=04711
1659        ;;
1660   esac ],
1661   AC_MSG_RESULT(yes)
1662   SSHMODE=04711
1663 )
1664 AC_SUBST(SSHMODE)
1665
1666
1667 # Where to place sshd.pid
1668 piddir=/var/run
1669 AC_ARG_WITH(pid-dir,
1670         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1671         [
1672                 if test "x$withval" != "xno" ; then
1673                         piddir=$withval
1674                 fi
1675         ]
1676 )
1677
1678 # make sure the directory exists
1679 if test ! -d $piddir ; then
1680         piddir=`eval echo ${sysconfdir}`
1681         case $piddir in
1682                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1683         esac
1684 fi
1685
1686 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1687 AC_SUBST(piddir)
1688
1689 dnl allow user to disable some login recording features
1690 AC_ARG_ENABLE(lastlog,
1691         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1692         [ AC_DEFINE(DISABLE_LASTLOG) ]
1693 )
1694 AC_ARG_ENABLE(utmp,
1695         [  --disable-utmp          disable use of utmp even if detected [no]],
1696         [ AC_DEFINE(DISABLE_UTMP) ]
1697 )
1698 AC_ARG_ENABLE(utmpx,
1699         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1700         [ AC_DEFINE(DISABLE_UTMPX) ]
1701 )
1702 AC_ARG_ENABLE(wtmp,
1703         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1704         [ AC_DEFINE(DISABLE_WTMP) ]
1705 )
1706 AC_ARG_ENABLE(wtmpx,
1707         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1708         [ AC_DEFINE(DISABLE_WTMPX) ]
1709 )
1710 AC_ARG_ENABLE(libutil,
1711         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1712         [ AC_DEFINE(DISABLE_LOGIN) ]
1713 )
1714 AC_ARG_ENABLE(pututline,
1715         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1716         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1717 )
1718 AC_ARG_ENABLE(pututxline,
1719         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1720         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1721 )
1722 AC_ARG_WITH(lastlog,
1723   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1724         [
1725                 if test "x$withval" = "xno" ; then
1726                         AC_DEFINE(DISABLE_LASTLOG)
1727                 else
1728                         conf_lastlog_location=$withval
1729                 fi
1730         ]
1731 )
1732
1733 dnl lastlog, [uw]tmpx? detection
1734 dnl  NOTE: set the paths in the platform section to avoid the
1735 dnl   need for command-line parameters
1736 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1737
1738 dnl lastlog detection
1739 dnl  NOTE: the code itself will detect if lastlog is a directory
1740 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1741 AC_TRY_COMPILE([
1742 #include <sys/types.h>
1743 #include <utmp.h>
1744 #ifdef HAVE_LASTLOG_H
1745 #  include <lastlog.h>
1746 #endif
1747 #ifdef HAVE_PATHS_H
1748 #  include <paths.h>
1749 #endif
1750         ],
1751         [ char *lastlog = LASTLOG_FILE; ],
1752         [ AC_MSG_RESULT(yes) ],
1753         [
1754                 AC_MSG_RESULT(no)
1755                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1756                 AC_TRY_COMPILE([
1757 #include <sys/types.h>
1758 #include <utmp.h>
1759 #ifdef HAVE_LASTLOG_H
1760 #  include <lastlog.h>
1761 #endif
1762 #ifdef HAVE_PATHS_H
1763 #  include <paths.h>
1764 #endif
1765                 ],
1766                 [ char *lastlog = _PATH_LASTLOG; ],
1767                 [ AC_MSG_RESULT(yes) ],
1768                 [
1769                         AC_MSG_RESULT(no)
1770                         system_lastlog_path=no
1771                 ])
1772         ]
1773 )
1774
1775 if test -z "$conf_lastlog_location"; then
1776         if test x"$system_lastlog_path" = x"no" ; then
1777                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1778                                 if (test -d "$f" || test -f "$f") ; then
1779                                         conf_lastlog_location=$f
1780                                 fi
1781                 done
1782                 if test -z "$conf_lastlog_location"; then
1783                         AC_MSG_WARN([** Cannot find lastlog **])
1784                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1785                 fi
1786         fi
1787 fi
1788
1789 if test -n "$conf_lastlog_location"; then
1790         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1791 fi
1792
1793 dnl utmp detection
1794 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1795 AC_TRY_COMPILE([
1796 #include <sys/types.h>
1797 #include <utmp.h>
1798 #ifdef HAVE_PATHS_H
1799 #  include <paths.h>
1800 #endif
1801         ],
1802         [ char *utmp = UTMP_FILE; ],
1803         [ AC_MSG_RESULT(yes) ],
1804         [ AC_MSG_RESULT(no)
1805           system_utmp_path=no ]
1806 )
1807 if test -z "$conf_utmp_location"; then
1808         if test x"$system_utmp_path" = x"no" ; then
1809                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1810                         if test -f $f ; then
1811                                 conf_utmp_location=$f
1812                         fi
1813                 done
1814                 if test -z "$conf_utmp_location"; then
1815                         AC_DEFINE(DISABLE_UTMP)
1816                 fi
1817         fi
1818 fi
1819 if test -n "$conf_utmp_location"; then
1820         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1821 fi
1822
1823 dnl wtmp detection
1824 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1825 AC_TRY_COMPILE([
1826 #include <sys/types.h>
1827 #include <utmp.h>
1828 #ifdef HAVE_PATHS_H
1829 #  include <paths.h>
1830 #endif
1831         ],
1832         [ char *wtmp = WTMP_FILE; ],
1833         [ AC_MSG_RESULT(yes) ],
1834         [ AC_MSG_RESULT(no)
1835           system_wtmp_path=no ]
1836 )
1837 if test -z "$conf_wtmp_location"; then
1838         if test x"$system_wtmp_path" = x"no" ; then
1839                 for f in /usr/adm/wtmp /var/log/wtmp; do
1840                         if test -f $f ; then
1841                                 conf_wtmp_location=$f
1842                         fi
1843                 done
1844                 if test -z "$conf_wtmp_location"; then
1845                         AC_DEFINE(DISABLE_WTMP)
1846                 fi
1847         fi
1848 fi
1849 if test -n "$conf_wtmp_location"; then
1850         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1851 fi
1852
1853
1854 dnl utmpx detection - I don't know any system so perverse as to require
1855 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1856 dnl  there, though.
1857 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1858 AC_TRY_COMPILE([
1859 #include <sys/types.h>
1860 #include <utmp.h>
1861 #ifdef HAVE_UTMPX_H
1862 #include <utmpx.h>
1863 #endif
1864 #ifdef HAVE_PATHS_H
1865 #  include <paths.h>
1866 #endif
1867         ],
1868         [ char *utmpx = UTMPX_FILE; ],
1869         [ AC_MSG_RESULT(yes) ],
1870         [ AC_MSG_RESULT(no)
1871           system_utmpx_path=no ]
1872 )
1873 if test -z "$conf_utmpx_location"; then
1874         if test x"$system_utmpx_path" = x"no" ; then
1875                 AC_DEFINE(DISABLE_UTMPX)
1876         fi
1877 else
1878         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1879 fi
1880
1881 dnl wtmpx detection
1882 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1883 AC_TRY_COMPILE([
1884 #include <sys/types.h>
1885 #include <utmp.h>
1886 #ifdef HAVE_UTMPX_H
1887 #include <utmpx.h>
1888 #endif
1889 #ifdef HAVE_PATHS_H
1890 #  include <paths.h>
1891 #endif
1892         ],
1893         [ char *wtmpx = WTMPX_FILE; ],
1894         [ AC_MSG_RESULT(yes) ],
1895         [ AC_MSG_RESULT(no)
1896           system_wtmpx_path=no ]
1897 )
1898 if test -z "$conf_wtmpx_location"; then
1899         if test x"$system_wtmpx_path" = x"no" ; then
1900                 AC_DEFINE(DISABLE_WTMPX)
1901         fi
1902 else
1903         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1904 fi
1905
1906
1907 # Change default command timeout for builtin PRNG
1908 entropy_timeout=200
1909 AC_ARG_WITH(entropy-timeout,
1910         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1911         [
1912                 if test "x$withval" != "xno" ; then
1913                         entropy_timeout=$withval
1914                 fi
1915         ]
1916 )
1917 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1918
1919
1920 if test ! -z "$blibpath" ; then
1921         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1922         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1923 fi
1924
1925 AC_EXEEXT
1926
1927 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1928
1929 # Print summary of options
1930
1931 if test ! -z "$RANDOM_POOL" ; then
1932         RAND_MSG="Device ($RANDOM_POOL)"
1933 else
1934         if test ! -z "$PRNGD_PORT" ; then
1935                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1936         elif test ! -z "$PRNGD_SOCKET" ; then
1937                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1938         else
1939                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1940                 BUILTIN_RNG=1
1941         fi
1942 fi
1943
1944 # Someone please show me a better way :)
1945 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1946 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1947 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1948 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1949 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1950 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1951 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1952 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1953
1954 echo ""
1955 echo "OpenSSH has been configured with the following options:"
1956 echo "                 User binaries: $B"
1957 echo "               System binaries: $C"
1958 echo "           Configuration files: $D"
1959 echo "               Askpass program: $E"
1960 echo "                  Manual pages: $F"
1961 echo "                      PID file: $G"
1962 echo "        sshd default user PATH: $H"
1963 echo "      Random number collection: $RAND_MSG"
1964 echo "                Manpage format: $MANTYPE"
1965 echo "                   PAM support: ${PAM_MSG}"
1966 echo "            KerberosIV support: $KRB4_MSG"
1967 echo "                   AFS support: $AFS_MSG"
1968 echo "                 S/KEY support: $SKEY_MSG"
1969 echo "          TCP Wrappers support: $TCPW_MSG"
1970 echo "          MD5 password support: $MD5_MSG"
1971 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1972 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1973 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1974
1975 if test ! -z "$bsd_auth"; then
1976         echo "              BSD Auth support: yes"
1977 fi
1978
1979 echo ""
1980
1981 echo "              Host: ${host}"
1982 echo "          Compiler: ${CC}"
1983 echo "    Compiler flags: ${CFLAGS}"
1984 echo "Preprocessor flags: ${CPPFLAGS}"
1985 echo "      Linker flags: ${LDFLAGS}"
1986 echo "         Libraries: ${LIBS}"
1987
1988 echo ""
1989
1990 if test "x$PAM_MSG" = "xyes" ; then
1991         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1992         echo "otherwise password authentication may fail. Example PAM control files"
1993         echo "can be found in the contrib/ subdirectory"
1994         echo ""
1995 fi
1996
1997 if test ! -z "$BUILTIN_RNG" ; then
1998         echo "WARNING: you are using the builtin random number collection service."
1999         echo "Please read WARNING.RNG and request that your OS vendor includes"
2000         echo "/dev/random in future versions of their OS."
2001         echo ""
2002 fi
2003
2004 if test ! -z "$NO_SFTP"; then
2005         echo "sftp-server will be disabled.  Your compiler does not support"
2006         echo "64bit integers."
2007         echo ""
2008 fi
2009