configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8 AC_C_BIGENDIAN
   9
  10 # Checks for programs.
  11 AC_PROG_CPP
  12 AC_PROG_RANLIB
  13 AC_PROG_INSTALL
  14 AC_PATH_PROG(AR, ar)
  15 AC_PATH_PROG(PERL, 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         MANTYPE='$(CATMAN)'
  62         mansubdir=cat
  63         dnl AIX handles lastlog as part of its login message
  64         AC_DEFINE(DISABLE_LASTLOG)
  65         MANTYPE='$(CATMAN)'
  66         mansubdir=cat
  67         ;;
  68 *-*-cygwin*)
  69         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  70         AC_DEFINE(HAVE_CYGWIN)
  71         AC_DEFINE(DISABLE_SHADOW)
  72         AC_DEFINE(IPV4_DEFAULT)
  73         AC_DEFINE(IP_TOS_IS_BROKEN)
  74         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  75         no_libsocket=1
  76         no_libnsl=1
  77         ;;
  78 *-*-dgux*)
  79         AC_DEFINE(IP_TOS_IS_BROKEN)
  80         ;;
  81 *-*-hpux10*)
  82         if test -z "$GCC"; then
  83                 CFLAGS="$CFLAGS -Ae"
  84         fi
  85         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  86         IPADDR_IN_DISPLAY=yes
  87         AC_DEFINE(USE_PIPES)
  88         AC_DEFINE(DISABLE_SHADOW)
  89         AC_DEFINE(DISABLE_UTMP)
  90         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  91         LIBS="$LIBS -lsec"
  92         MANTYPE='$(CATMAN)'
  93         mansubdir=cat
  94         ;;
  95 *-*-hpux11*)
  96         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  97         IPADDR_IN_DISPLAY=yes
  98         AC_DEFINE(PAM_SUN_CODEBASE)
  99         AC_DEFINE(USE_PIPES)
 100         AC_DEFINE(DISABLE_SHADOW)
 101         AC_DEFINE(DISABLE_UTMP)
 102         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 103         LIBS="$LIBS -lsec"
 104         MANTYPE='$(CATMAN)'
 105         mansubdir=cat
 106         ;;
 107 *-*-irix5*)
 108         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 109         LDFLAGS="$LDFLAGS"
 110         PATH="$PATH:/usr/etc"
 111         MANTYPE='$(CATMAN)'
 112         no_libsocket=1
 113         no_libnsl=1
 114         AC_DEFINE(BROKEN_INET_NTOA)
 115         ;;
 116 *-*-irix6*)
 117         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 118         LDFLAGS="$LDFLAGS"
 119         PATH="$PATH:/usr/etc"
 120         MANTYPE='$(CATMAN)'
 121         AC_DEFINE(WITH_IRIX_ARRAY)
 122         AC_DEFINE(WITH_IRIX_PROJECT)
 123         AC_DEFINE(WITH_IRIX_AUDIT)
 124         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 125         no_libsocket=1
 126         no_libnsl=1
 127         AC_DEFINE(BROKEN_INET_NTOA)
 128         mansubdir=man
 129         ;;
 130 *-*-linux*)
 131         no_dev_ptmx=1
 132         check_for_libcrypt_later=1
 133         AC_DEFINE(DONT_TRY_OTHER_AF)
 134         AC_DEFINE(PAM_TTY_KLUDGE)
 135         inet6_default_4in6=yes
 136         ;;
 137 mips-sony-bsd|mips-sony-newsos4)
 138         AC_DEFINE(HAVE_NEWS4)
 139         SONY=1
 140         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 141                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 142         )
 143         ;;
 144 *-*-netbsd*)
 145         need_dash_r=1
 146         ;;
 147 *-*-freebsd*)
 148         check_for_libcrypt_later=1
 149         ;;
 150 *-next-*)
 151         conf_lastlog_location="/usr/adm/lastlog"
 152         conf_utmp_location=/etc/utmp
 153         conf_wtmp_location=/usr/adm/wtmp
 154         MAIL=/usr/spool/mail
 155         AC_DEFINE(HAVE_NEXT)
 156         AC_DEFINE(BROKEN_REALPATH)
 157         AC_DEFINE(USE_PIPES)
 158         AC_DEFINE(BROKEN_SAVED_UIDS)
 159         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 160         CFLAGS="$CFLAGS"
 161         ;;
 162 *-*-solaris*)
 163         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 164         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 165         need_dash_r=1
 166         AC_DEFINE(PAM_SUN_CODEBASE)
 167         # hardwire lastlog location (can't detect it on some versions)
 168         conf_lastlog_location="/var/adm/lastlog"
 169         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 170         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 171         if test "$sol2ver" -ge 8; then
 172                 AC_MSG_RESULT(yes)
 173                 AC_DEFINE(DISABLE_UTMP)
 174                 AC_DEFINE(DISABLE_WTMP)
 175         else
 176                 AC_MSG_RESULT(no)
 177         fi
 178         ;;
 179 *-*-sunos4*)
 180         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 181         AC_CHECK_FUNCS(getpwanam)
 182         AC_DEFINE(PAM_SUN_CODEBASE)
 183         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 184         conf_utmp_location=/etc/utmp
 185         conf_wtmp_location=/var/adm/wtmp
 186         conf_lastlog_location=/var/adm/lastlog
 187         AC_DEFINE(USE_PIPES)
 188         MANTYPE='$(CATMAN)'
 189         mansubdir=cat
 190         ;;
 191 *-ncr-sysv*)
 192         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 193         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 194         MANTYPE='$(CATMAN)'
 195         mansubdir=cat
 196         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 197         ;;
 198 *-sni-sysv*)
 199         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 200         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 201         MANTYPE='$(CATMAN)'
 202         IPADDR_IN_DISPLAY=yes
 203         AC_DEFINE(USE_PIPES)
 204         AC_DEFINE(IP_TOS_IS_BROKEN)
 205         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 206         mansubdir=cat
 207         LIBS="$LIBS -lgen -lnsl -lucb"
 208         ;;
 209 *-*-sysv4.2*)
 210         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 211         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 212         MANTYPE='$(CATMAN)'
 213         mansubdir=cat
 214         enable_suid_ssh=no
 215         AC_DEFINE(USE_PIPES)
 216         ;;
 217 *-*-sysv5*)
 218         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 219         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 220         MANTYPE='$(CATMAN)'
 221         mansubdir=cat
 222         enable_suid_ssh=no
 223         AC_DEFINE(USE_PIPES)
 224         ;;
 225 *-*-sysv*)
 226         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 227         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 228         MANTYPE='$(CATMAN)'
 229         mansubdir=cat
 230         LIBS="$LIBS -lgen -lsocket"
 231         ;;
 232 *-*-sco3.2v4*)
 233         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 234         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 235         MANTYPE='$(CATMAN)'
 236         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 237         mansubdir=cat
 238         rsh_path="/usr/bin/rcmd"
 239         RANLIB=true
 240         no_dev_ptmx=1
 241         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 242         AC_DEFINE(USE_PIPES)
 243         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 244         AC_DEFINE(DISABLE_SHADOW)
 245         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 246         AC_DEFINE(BROKEN_SAVED_UIDS)
 247         AC_CHECK_FUNCS(getluid setluid)
 248         ;;
 249 *-*-sco3.2v5*)
 250         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 251         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 252         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 253         MANTYPE='$(CATMAN)'
 254         mansubdir=cat
 255         no_dev_ptmx=1
 256         rsh_path="/usr/bin/rcmd"
 257         AC_DEFINE(USE_PIPES)
 258         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 259         AC_DEFINE(DISABLE_SHADOW)
 260         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 261         AC_CHECK_FUNCS(getluid setluid)
 262         ;;
 263 *-dec-osf*)
 264         if test ! -z "USE_SIA" ; then
 265                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 266                 if test -f /etc/sia/matrix.conf; then
 267                         AC_MSG_RESULT(yes)
 268                         AC_DEFINE(HAVE_OSF_SIA)
 269                         AC_DEFINE(DISABLE_LOGIN)
 270                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 271                 else
 272                         AC_MSG_RESULT(no)
 273                 fi
 274         fi
 275         ;;
 276 esac
 277
 278 # Allow user to specify flags
 279 AC_ARG_WITH(cflags,
 280         [  --with-cflags           Specify additional flags to pass to compiler],
 281         [
 282                 if test "x$withval" != "xno" ; then
 283                         CFLAGS="$CFLAGS $withval"
 284                 fi
 285         ]
 286 )
 287 AC_ARG_WITH(cppflags,
 288         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 289         [
 290                 if test "x$withval" != "xno"; then
 291                         CPPFLAGS="$CPPFLAGS $withval"
 292                 fi
 293         ]
 294 )
 295 AC_ARG_WITH(ldflags,
 296         [  --with-ldflags          Specify additional flags to pass to linker],
 297         [
 298                 if test "x$withval" != "xno" ; then
 299                         LDFLAGS="$LDFLAGS $withval"
 300                 fi
 301         ]
 302 )
 303 AC_ARG_WITH(libs,
 304         [  --with-libs             Specify additional libraries to link with],
 305         [
 306                 if test "x$withval" != "xno" ; then
 307                         LIBS="$LIBS $withval"
 308                 fi
 309         ]
 310 )
 311
 312 AC_ARG_WITH(pcre,
 313         [  --with-pcre             Override built in regex library with pcre],
 314         [
 315
 316                 AC_CHECK_LIB(pcre, pcre_info,
 317                         [
 318                                 AC_DEFINE(HAVE_LIBPCRE)
 319                                 LIBS="$LIBS -lpcreposix -lpcre"
 320                                 no_comp_check="yes"
 321                         ],
 322                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 323                 )
 324         ]
 325 )
 326
 327 # Checks for libraries.
 328 if test -z "$no_libnsl" ; then
 329         AC_CHECK_LIB(nsl, yp_match, , )
 330 fi
 331 if test -z "$no_libsocket" ; then
 332         AC_CHECK_LIB(socket, main, , )
 333 fi
 334
 335 dnl SCO OS3 needs this for libwrap
 336 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 337
 338 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 339 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 340 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 341
 342 # We don't want to check if we did an pcre override.
 343 if test -z "$no_comp_check" ; then
 344         AC_CHECK_FUNC(regcomp,
 345                 [ AC_DEFINE(HAVE_REGCOMP)],
 346                 [
 347                         AC_CHECK_LIB(pcre, pcre_info,
 348                         [
 349                                 AC_DEFINE(HAVE_LIBPCRE)
 350                                 LIBS="$LIBS -lpcreposix -lpcre"
 351                         ],
 352                         [
 353                                 AC_MSG_ERROR([*** No regex library found.])
 354                         ])
 355                 ]
 356         )
 357 fi
 358
 359 dnl UnixWare 2.x
 360 AC_CHECK_FUNC(strcasecmp,
 361         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 362 )
 363 AC_CHECK_FUNC(utimes,
 364         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 365 )
 366
 367 AC_FUNC_STRFTIME
 368
 369 # Checks for header files.
 370 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h glob.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h regex.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 371
 372 # Check for ALTDIRFUNC glob() extension
 373 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 374 AC_EGREP_CPP(FOUNDIT,
 375         [
 376                 #include <glob.h>
 377                 #ifdef GLOB_ALTDIRFUNC
 378                 FOUNDIT
 379                 #endif
 380         ],
 381         [
 382                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 383                 AC_MSG_RESULT(yes)
 384         ],
 385         [
 386                 AC_MSG_RESULT(no)
 387         ]
 388 )
 389
 390 # Check for g.gl_matchc glob() extension
 391 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 392 AC_EGREP_CPP(FOUNDIT,
 393         [
 394                 #include <glob.h>
 395                 int main(void){glob_t g; g.gl_matchc = 1;}
 396         ],
 397         [
 398                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 399                 AC_MSG_RESULT(yes)
 400         ],
 401         [
 402                 AC_MSG_RESULT(no)
 403         ]
 404 )
 405
 406 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 407 AC_TRY_RUN(
 408         [
 409 #include <sys/types.h>
 410 #include <dirent.h>
 411 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 412         ],
 413         [AC_MSG_RESULT(yes)],
 414         [
 415                 AC_MSG_RESULT(no)
 416                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 417         ]
 418 )
 419
 420 # Check whether user wants S/Key support
 421 SKEY_MSG="no"
 422 AC_ARG_WITH(skey,
 423         [  --with-skey=PATH         Enable S/Key support],
 424         [
 425                 if test "x$withval" != "xno" ; then
 426
 427                         if test "x$withval" != "xyes" ; then
 428                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 429                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 430                         fi
 431
 432                         AC_DEFINE(SKEY)
 433                         LIBS="-lskey $LIBS"
 434                         SKEY_MSG="yes"
 435
 436                         AC_CHECK_FUNC(skey_keyinfo,
 437                                 [],
 438                                 [
 439                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 440                                 ])
 441                 fi
 442         ]
 443 )
 444
 445 # Check whether user wants TCP wrappers support
 446 TCPW_MSG="no"
 447 AC_ARG_WITH(tcp-wrappers,
 448         [  --with-tcp-wrappers     Enable tcpwrappers support],
 449         [
 450                 if test "x$withval" != "xno" ; then
 451                         saved_LIBS="$LIBS"
 452                         LIBS="-lwrap $LIBS"
 453                         AC_MSG_CHECKING(for libwrap)
 454                         AC_TRY_LINK(
 455                                 [
 456 #include <tcpd.h>
 457                                         int deny_severity = 0, allow_severity = 0;
 458                                 ],
 459                                 [hosts_access(0);],
 460                                 [
 461                                         AC_MSG_RESULT(yes)
 462                                         AC_DEFINE(LIBWRAP)
 463                                         TCPW_MSG="yes"
 464                                 ],
 465                                 [
 466                                         AC_MSG_ERROR([*** libwrap missing])
 467                                 ]
 468                         )
 469                 fi
 470         ]
 471 )
 472
 473 dnl    Checks for library functions.
 474 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent getusershell glob inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv seteuid setlogin setproctitle setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 475 dnl    Checks for time functions
 476 AC_CHECK_FUNCS(gettimeofday time)
 477 dnl    Checks for libutil functions
 478 AC_CHECK_HEADERS(libutil.h)
 479 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 480 dnl    Checks for utmp functions
 481 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 482 AC_CHECK_FUNCS(utmpname)
 483 dnl    Checks for utmpx functions
 484 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 485 AC_CHECK_FUNCS(setutxent utmpxname)
 486
 487 AC_CHECK_FUNC(getuserattr,
 488         [AC_DEFINE(HAVE_GETUSERATTR)],
 489         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 490 )
 491
 492 AC_CHECK_FUNC(login,
 493         [AC_DEFINE(HAVE_LOGIN)],
 494         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 495 )
 496
 497 AC_CHECK_FUNC(daemon,
 498         [AC_DEFINE(HAVE_DAEMON)],
 499         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 500 )
 501
 502 AC_CHECK_FUNC(getpagesize,
 503         [AC_DEFINE(HAVE_GETPAGESIZE)],
 504         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 505 )
 506
 507 # Check for broken snprintf
 508 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 509         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 510         AC_TRY_RUN(
 511                 [
 512 #include <stdio.h>
 513 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 514                 ],
 515                 [AC_MSG_RESULT(yes)],
 516                 [
 517                         AC_MSG_RESULT(no)
 518                         AC_DEFINE(BROKEN_SNPRINTF)
 519                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 520                 ]
 521         )
 522 fi
 523
 524 AC_FUNC_GETPGRP
 525
 526 # Check for PAM libs
 527 PAM_MSG="no"
 528 AC_ARG_WITH(pam,
 529         [  --with-pam              Enable PAM support ],
 530         [
 531                 if test "x$withval" != "xno" ; then
 532                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 533                                 AC_MSG_ERROR([PAM headers not found])
 534                         fi
 535
 536                         AC_CHECK_LIB(dl, dlopen, , )
 537                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 538                         AC_CHECK_FUNCS(pam_getenvlist)
 539
 540                         disable_shadow=yes
 541                         PAM_MSG="yes"
 542
 543                         AC_DEFINE(USE_PAM)
 544                 fi
 545         ]
 546 )
 547
 548 # Check for older PAM
 549 if test "x$PAM_MSG" = "xyes" ; then
 550         # Check PAM strerror arguments (old PAM)
 551         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 552         AC_TRY_COMPILE(
 553                 [
 554 #include <stdlib.h>
 555 #include <security/pam_appl.h>
 556                 ],
 557                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 558                 [AC_MSG_RESULT(no)],
 559                 [
 560                         AC_DEFINE(HAVE_OLD_PAM)
 561                         AC_MSG_RESULT(yes)
 562                         PAM_MSG="yes (old library)"
 563                 ]
 564         )
 565 fi
 566
 567 # The big search for OpenSSL
 568 AC_ARG_WITH(ssl-dir,
 569         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 570         [
 571                 if test "x$withval" != "xno" ; then
 572                         tryssldir=$withval
 573                 fi
 574         ]
 575 )
 576
 577 saved_LIBS="$LIBS"
 578 saved_LDFLAGS="$LDFLAGS"
 579 saved_CPPFLAGS="$CPPFLAGS"
 580 if test "x$prefix" != "xNONE" ; then
 581         tryssldir="$tryssldir $prefix"
 582 fi
 583 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 584         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 585                 CPPFLAGS="$saved_CPPFLAGS"
 586                 LDFLAGS="$saved_LDFLAGS"
 587                 LIBS="$saved_LIBS -lcrypto"
 588
 589                 # Skip directories if they don't exist
 590                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 591                         continue;
 592                 fi
 593                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 594                         # Try to use $ssldir/lib if it exists, otherwise
 595                         # $ssldir
 596                         if test -d "$ssldir/lib" ; then
 597                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 598                                 if test ! -z "$need_dash_r" ; then
 599                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 600                                 fi
 601                         else
 602                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 603                                 if test ! -z "$need_dash_r" ; then
 604                                         LDFLAGS="-R$ssldir $LDFLAGS"
 605                                 fi
 606                         fi
 607                         # Try to use $ssldir/include if it exists, otherwise
 608                         # $ssldir
 609                         if test -d "$ssldir/include" ; then
 610                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 611                         else
 612                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 613                         fi
 614                 fi
 615
 616                 # Basic test to check for compatible version and correct linking
 617                 # *does not* test for RSA - that comes later.
 618                 AC_TRY_RUN(
 619                         [
 620 #include <string.h>
 621 #include <openssl/rand.h>
 622 int main(void)
 623 {
 624         char a[2048];
 625         memset(a, 0, sizeof(a));
 626         RAND_add(a, sizeof(a), sizeof(a));
 627         return(RAND_status() <= 0);
 628 }
 629                         ],
 630                         [
 631                                 found_crypto=1
 632                                 break;
 633                         ], []
 634                 )
 635
 636                 if test ! -z "$found_crypto" ; then
 637                         break;
 638                 fi
 639         done
 640
 641         if test -z "$found_crypto" ; then
 642                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 643         fi
 644         if test -z "$ssldir" ; then
 645                 ssldir="(system)"
 646         fi
 647
 648         ac_cv_openssldir=$ssldir
 649 ])
 650
 651 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 652         AC_DEFINE(HAVE_OPENSSL)
 653         dnl Need to recover ssldir - test above runs in subshell
 654         ssldir=$ac_cv_openssldir
 655         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 656                 # Try to use $ssldir/lib if it exists, otherwise
 657                 # $ssldir
 658                 if test -d "$ssldir/lib" ; then
 659                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 660                         if test ! -z "$need_dash_r" ; then
 661                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 662                         fi
 663                 else
 664                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 665                         if test ! -z "$need_dash_r" ; then
 666                                 LDFLAGS="-R$ssldir $LDFLAGS"
 667                         fi
 668                 fi
 669                 # Try to use $ssldir/include if it exists, otherwise
 670                 # $ssldir
 671                 if test -d "$ssldir/include" ; then
 672                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 673                 else
 674                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 675                 fi
 676         fi
 677 fi
 678 LIBS="$saved_LIBS -lcrypto"
 679
 680 # Now test RSA support
 681 saved_LIBS="$LIBS"
 682 AC_MSG_CHECKING([for RSA support])
 683 for WANTS_RSAREF in "" 1 ; do
 684         if test -z "$WANTS_RSAREF" ; then
 685                 LIBS="$saved_LIBS"
 686         else
 687                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 688         fi
 689         AC_TRY_RUN([
 690 #include <string.h>
 691 #include <openssl/rand.h>
 692 #include <openssl/rsa.h>
 693 #include <openssl/bn.h>
 694 #include <openssl/sha.h>
 695 int main(void)
 696 {
 697         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 698         unsigned char c[256], p[256];
 699         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 700         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 701         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 702         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 703 }
 704         ],
 705         [
 706                 rsa_works=1
 707                 break;
 708         ], [])
 709 done
 710
 711 if test ! -z "$no_rsa" ; then
 712         AC_MSG_RESULT(disabled)
 713         RSA_MSG="disabled"
 714 else
 715         if test -z "$rsa_works" ; then
 716                 AC_MSG_WARN([*** No RSA support found *** ])
 717                 RSA_MSG="no"
 718         else
 719                 if test -z "$WANTS_RSAREF" ; then
 720                         AC_MSG_RESULT(yes)
 721                         RSA_MSG="yes"
 722                 else
 723                         RSA_MSG="yes (using RSAref)"
 724                         AC_MSG_RESULT(using RSAref)
 725                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 726                 fi
 727         fi
 728 fi
 729
 730 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 731 # version in OpenSSL. Skip this for PAM
 732 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 733         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 734 fi
 735
 736 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 737 if test ! -z "$SONY" ; then
 738   LIBS="$LIBS -liberty";
 739 fi
 740
 741 # Checks for data types
 742 AC_CHECK_SIZEOF(char, 1)
 743 AC_CHECK_SIZEOF(short int, 2)
 744 AC_CHECK_SIZEOF(int, 4)
 745 AC_CHECK_SIZEOF(long int, 4)
 746 AC_CHECK_SIZEOF(long long int, 8)
 747
 748 # More checks for data types
 749 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 750         AC_TRY_COMPILE(
 751                 [ #include <sys/types.h> ],
 752                 [ u_int a; a = 1;],
 753                 [ ac_cv_have_u_int="yes" ],
 754                 [ ac_cv_have_u_int="no" ]
 755         )
 756 ])
 757 if test "x$ac_cv_have_u_int" = "xyes" ; then
 758         AC_DEFINE(HAVE_U_INT)
 759         have_u_int=1
 760 fi
 761
 762 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 763         AC_TRY_COMPILE(
 764                 [ #include <sys/types.h> ],
 765                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 766                 [ ac_cv_have_intxx_t="yes" ],
 767                 [ ac_cv_have_intxx_t="no" ]
 768         )
 769 ])
 770 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 771         AC_DEFINE(HAVE_INTXX_T)
 772         have_intxx_t=1
 773 fi
 774
 775 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 776         AC_TRY_COMPILE(
 777                 [ #include <sys/types.h> ],
 778                 [ int64_t a; a = 1;],
 779                 [ ac_cv_have_int64_t="yes" ],
 780                 [ ac_cv_have_int64_t="no" ]
 781         )
 782 ])
 783 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 784         AC_DEFINE(HAVE_INT64_T)
 785         have_int64_t=1
 786 fi
 787
 788 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 789         AC_TRY_COMPILE(
 790                 [ #include <sys/types.h> ],
 791                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 792                 [ ac_cv_have_u_intxx_t="yes" ],
 793                 [ ac_cv_have_u_intxx_t="no" ]
 794         )
 795 ])
 796 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 797         AC_DEFINE(HAVE_U_INTXX_T)
 798         have_u_intxx_t=1
 799 fi
 800
 801 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 802         AC_TRY_COMPILE(
 803                 [ #include <sys/types.h> ],
 804                 [ u_int64_t a; a = 1;],
 805                 [ ac_cv_have_u_int64_t="yes" ],
 806                 [ ac_cv_have_u_int64_t="no" ]
 807         )
 808 ])
 809 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 810         AC_DEFINE(HAVE_U_INT64_T)
 811         have_u_int64_t=1
 812 fi
 813
 814 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 815            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 816 then
 817         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 818         AC_TRY_COMPILE(
 819                 [
 820 #include <sys/bitypes.h>
 821                 ],
 822                 [
 823                         int8_t a; int16_t b; int32_t c;
 824                         u_int8_t e; u_int16_t f; u_int32_t g;
 825                         a = b = c = e = f = g = 1;
 826                 ],
 827                 [
 828                         AC_DEFINE(HAVE_U_INTXX_T)
 829                         AC_DEFINE(HAVE_INTXX_T)
 830                         AC_MSG_RESULT(yes)
 831                 ],
 832                 [AC_MSG_RESULT(no)]
 833         )
 834 fi
 835
 836 if test -z "$have_u_intxx_t" ; then
 837         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 838                 AC_TRY_COMPILE(
 839                         [
 840 #include <sys/types.h>
 841                         ],
 842                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 843                         [ ac_cv_have_uintxx_t="yes" ],
 844                         [ ac_cv_have_uintxx_t="no" ]
 845                 )
 846         ])
 847         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 848                 AC_DEFINE(HAVE_UINTXX_T)
 849         fi
 850 fi
 851
 852 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 853         AC_TRY_COMPILE(
 854                 [
 855 #include <sys/types.h>
 856 #include <sys/socket.h>
 857                 ],
 858                 [socklen_t foo; foo = 1235;],
 859                 [ ac_cv_have_socklen_t="yes" ],
 860                 [ ac_cv_have_socklen_t="no" ]
 861         )
 862 ])
 863 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 864         AC_DEFINE(HAVE_SOCKLEN_T)
 865 fi
 866
 867 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 868         AC_TRY_COMPILE(
 869                 [
 870 #include <sys/types.h>
 871                 ],
 872                 [ size_t foo; foo = 1235; ],
 873                 [ ac_cv_have_size_t="yes" ],
 874                 [ ac_cv_have_size_t="no" ]
 875         )
 876 ])
 877 if test "x$ac_cv_have_size_t" = "xyes" ; then
 878         AC_DEFINE(HAVE_SIZE_T)
 879 fi
 880
 881 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 882         AC_TRY_COMPILE(
 883                 [
 884 #include <sys/types.h>
 885                 ],
 886                 [ ssize_t foo; foo = 1235; ],
 887                 [ ac_cv_have_ssize_t="yes" ],
 888                 [ ac_cv_have_ssize_t="no" ]
 889         )
 890 ])
 891 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 892         AC_DEFINE(HAVE_SSIZE_T)
 893 fi
 894
 895 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 896         AC_TRY_COMPILE(
 897                 [
 898 #include <time.h>
 899                 ],
 900                 [ clock_t foo; foo = 1235; ],
 901                 [ ac_cv_have_clock_t="yes" ],
 902                 [ ac_cv_have_clock_t="no" ]
 903         )
 904 ])
 905 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 906         AC_DEFINE(HAVE_CLOCK_T)
 907 fi
 908
 909 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 910         AC_TRY_COMPILE(
 911                 [
 912 #include <sys/types.h>
 913 #include <sys/socket.h>
 914                 ],
 915                 [ sa_family_t foo; foo = 1235; ],
 916                 [ ac_cv_have_sa_family_t="yes" ],
 917                 [ AC_TRY_COMPILE(
 918                   [
 919 #include <sys/types.h>
 920 #include <sys/socket.h>
 921 #include <netinet/in.h>
 922                 ],
 923                 [ sa_family_t foo; foo = 1235; ],
 924                 [ ac_cv_have_sa_family_t="yes" ],
 925
 926                 [ ac_cv_have_sa_family_t="no" ]
 927         )]
 928         )
 929 ])
 930 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 931         AC_DEFINE(HAVE_SA_FAMILY_T)
 932 fi
 933
 934 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 935         AC_TRY_COMPILE(
 936                 [
 937 #include <sys/types.h>
 938                 ],
 939                 [ pid_t foo; foo = 1235; ],
 940                 [ ac_cv_have_pid_t="yes" ],
 941                 [ ac_cv_have_pid_t="no" ]
 942         )
 943 ])
 944 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 945         AC_DEFINE(HAVE_PID_T)
 946 fi
 947
 948 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 949         AC_TRY_COMPILE(
 950                 [
 951 #include <sys/types.h>
 952                 ],
 953                 [ mode_t foo; foo = 1235; ],
 954                 [ ac_cv_have_mode_t="yes" ],
 955                 [ ac_cv_have_mode_t="no" ]
 956         )
 957 ])
 958 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 959         AC_DEFINE(HAVE_MODE_T)
 960 fi
 961
 962
 963 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 964         AC_TRY_COMPILE(
 965                 [
 966 #include <sys/types.h>
 967 #include <sys/socket.h>
 968                 ],
 969                 [ struct sockaddr_storage s; ],
 970                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 971                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 972         )
 973 ])
 974 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 975         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 976 fi
 977
 978 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 979         AC_TRY_COMPILE(
 980                 [
 981 #include <sys/types.h>
 982 #include <netinet/in.h>
 983                 ],
 984                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 985                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 986                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 987         )
 988 ])
 989 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 990         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 991 fi
 992
 993 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 994         AC_TRY_COMPILE(
 995                 [
 996 #include <sys/types.h>
 997 #include <netinet/in.h>
 998                 ],
 999                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1000                 [ ac_cv_have_struct_in6_addr="yes" ],
1001                 [ ac_cv_have_struct_in6_addr="no" ]
1002         )
1003 ])
1004 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1005         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1006 fi
1007
1008 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1009         AC_TRY_COMPILE(
1010                 [
1011 #include <sys/types.h>
1012 #include <sys/socket.h>
1013 #include <netdb.h>
1014                 ],
1015                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1016                 [ ac_cv_have_struct_addrinfo="yes" ],
1017                 [ ac_cv_have_struct_addrinfo="no" ]
1018         )
1019 ])
1020 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1021         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1022 fi
1023
1024 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1025         AC_TRY_COMPILE(
1026                 [ #include <sys/time.h> ],
1027                 [ struct timeval tv; tv.tv_sec = 1;],
1028                 [ ac_cv_have_struct_timeval="yes" ],
1029                 [ ac_cv_have_struct_timeval="no" ]
1030         )
1031 ])
1032 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1033         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1034         have_struct_timeval=1
1035 fi
1036
1037 # If we don't have int64_t then we can't compile sftp-server.  So don't
1038 # even attempt to do it.
1039 if test "x$ac_cv_have_int64_t" = "xno" -a \
1040         "x$ac_cv_sizeof_long_int" != "x8" -a \
1041         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1042         NO_SFTP='#'
1043 else
1044 dnl test snprintf (broken on SCO w/gcc)
1045         AC_TRY_RUN(
1046                 [
1047 #include <stdio.h>
1048 #include <string.h>
1049 #ifdef HAVE_SNPRINTF
1050 main()
1051 {
1052         char buf[50];
1053         char expected_out[50];
1054         int mazsize = 50 ;
1055 #if (SIZEOF_LONG_INT == 8)
1056         long int num = 0x7fffffffffffffff;
1057 #else
1058         long long num = 0x7fffffffffffffff;
1059 #endif
1060         strcpy(expected_out, "9223372036854775807");
1061         snprintf(buf, mazsize, "%lld", num);
1062         if(strcmp(buf, expected_out) != 0)
1063                 exit(1);
1064         exit(0);
1065 }
1066 #else
1067 main() { exit(0); }
1068 #endif
1069                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1070         )
1071 fi
1072 AC_SUBST(NO_SFTP)
1073
1074 dnl Checks for structure members
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1076 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1077 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1078 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1079 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1080 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1081 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1082 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1083 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1084 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1085 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1086 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1087 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1088 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1089 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1090 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1091 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1092 AC_STRUCT_ST_BLKSIZE
1093
1094 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1095                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1096         AC_TRY_COMPILE(
1097                 [
1098 #include <sys/types.h>
1099 #include <sys/socket.h>
1100                 ],
1101                 [ struct sockaddr_un s; s.sun_len = 1; ],
1102                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1103                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1104         )
1105 ])
1106 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1107         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1108 fi
1109
1110 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1111                 ac_cv_have_ss_family_in_struct_ss, [
1112         AC_TRY_COMPILE(
1113                 [
1114 #include <sys/types.h>
1115 #include <sys/socket.h>
1116                 ],
1117                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1118                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1119                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1120         )
1121 ])
1122 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1123         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1124 fi
1125
1126 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1127                 ac_cv_have___ss_family_in_struct_ss, [
1128         AC_TRY_COMPILE(
1129                 [
1130 #include <sys/types.h>
1131 #include <sys/socket.h>
1132                 ],
1133                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1134                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1135                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1136         )
1137 ])
1138 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1139         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1140 fi
1141
1142 AC_CACHE_CHECK([for pw_class field in struct passwd],
1143                 ac_cv_have_pw_class_in_struct_passwd, [
1144         AC_TRY_COMPILE(
1145                 [
1146 #include <pwd.h>
1147                 ],
1148                 [ struct passwd p; p.pw_class = 0; ],
1149                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1150                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1151         )
1152 ])
1153 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1154         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1155 fi
1156
1157
1158 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1159         AC_TRY_LINK([],
1160                 [ extern char *__progname; printf("%s", __progname); ],
1161                 [ ac_cv_libc_defines___progname="yes" ],
1162                 [ ac_cv_libc_defines___progname="no" ]
1163         )
1164 ])
1165 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1166         AC_DEFINE(HAVE___PROGNAME)
1167 fi
1168
1169
1170 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1171         AC_TRY_LINK([],
1172                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1173                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1174                 [ ac_cv_libc_defines_sys_errlist="no" ]
1175         )
1176 ])
1177 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1178         AC_DEFINE(HAVE_SYS_ERRLIST)
1179 fi
1180
1181
1182 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1183         AC_TRY_LINK([],
1184                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1185                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1186                 [ ac_cv_libc_defines_sys_nerr="no" ]
1187         )
1188 ])
1189 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1190         AC_DEFINE(HAVE_SYS_NERR)
1191 fi
1192
1193
1194 # Check whether user wants Kerberos support
1195 KRB4_MSG="no"
1196 AC_ARG_WITH(kerberos4,
1197         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1198         [
1199                 if test "x$withval" != "xno" ; then
1200
1201                         if test "x$withval" != "xyes" ; then
1202                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1203                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1204                                 if test ! -z "$need_dash_r" ; then
1205                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1206                                 fi
1207                                 if test ! -z "$blibpath" ; then
1208                                         blibpath="$blibpath:${withval}/lib"
1209                                 fi
1210                         else
1211                                 if test -d /usr/include/kerberosIV ; then
1212                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1213                                 fi
1214                         fi
1215
1216                         AC_CHECK_HEADERS(krb.h)
1217                         if test "$ac_cv_header_krb_h" != yes; then
1218                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1219                         fi
1220                         AC_CHECK_LIB(krb, main)
1221                         if test "$ac_cv_lib_krb_main" != yes; then
1222                                 AC_CHECK_LIB(krb4, main)
1223                                 if test "$ac_cv_lib_krb4_main" != yes; then
1224                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1225                                 else
1226                                         KLIBS="-lkrb4"
1227                                 fi
1228                         else
1229                                 KLIBS="-lkrb"
1230                         fi
1231                         AC_CHECK_LIB(des, des_cbc_encrypt)
1232                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1233                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1234                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1235                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1236                                 else
1237                                         KLIBS="-ldes425"
1238                                 fi
1239                         else
1240                                 KLIBS="-ldes"
1241                         fi
1242                         AC_CHECK_LIB(resolv, dn_expand, , )
1243                         KRB4=yes
1244                         KRB4_MSG="yes"
1245                         AC_DEFINE(KRB4)
1246                 fi
1247         ]
1248 )
1249
1250 # Check whether user wants AFS support
1251 AFS_MSG="no"
1252 AC_ARG_WITH(afs,
1253         [  --with-afs=PATH         Enable AFS support],
1254         [
1255                 if test "x$withval" != "xno" ; then
1256
1257                         if test "x$withval" != "xyes" ; then
1258                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1259                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1260                         fi
1261
1262                         if test -z "$KRB4" ; then
1263                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1264                         fi
1265
1266                         LIBS="-lkafs $LIBS"
1267                         if test ! -z "$AFS_LIBS" ; then
1268                                 LIBS="$LIBS $AFS_LIBS"
1269                         fi
1270                         AC_DEFINE(AFS)
1271                         AFS_MSG="yes"
1272                 fi
1273         ]
1274 )
1275 LIBS="$LIBS $KLIBS"
1276
1277 # Looking for programs, paths and files
1278 AC_ARG_WITH(rsh,
1279         [  --with-rsh=PATH         Specify path to remote shell program ],
1280         [
1281                 if test "x$withval" != "$no" ; then
1282                         rsh_path=$withval
1283                 fi
1284         ],
1285         [
1286                 AC_PATH_PROG(rsh_path, rsh)
1287         ]
1288 )
1289
1290 AC_ARG_WITH(xauth,
1291         [  --with-xauth=PATH       Specify path to xauth program ],
1292         [
1293                 if test "x$withval" != "xno" ; then
1294                         xauth_path=$withval
1295                 fi
1296         ],
1297         [
1298                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1299                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1300                         xauth_path="/usr/openwin/bin/xauth"
1301                 fi
1302         ]
1303 )
1304
1305 if test -z "$xauth_path" ; then
1306         XAUTH_PATH="undefined"
1307         AC_SUBST(XAUTH_PATH)
1308 else
1309         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1310         XAUTH_PATH=$xauth_path
1311         AC_SUBST(XAUTH_PATH)
1312 fi
1313 if test ! -z "$rsh_path" ; then
1314         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1315 fi
1316
1317 # Check for mail directory (last resort if we cannot get it from headers)
1318 if test ! -z "$MAIL" ; then
1319         maildir=`dirname $MAIL`
1320         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1321 fi
1322
1323 if test -z "$no_dev_ptmx" ; then
1324         AC_CHECK_FILE("/dev/ptmx",
1325                 [
1326                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1327                         have_dev_ptmx=1
1328                 ]
1329         )
1330 fi
1331 AC_CHECK_FILE("/dev/ptc",
1332         [
1333                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1334                 have_dev_ptc=1
1335         ]
1336 )
1337
1338 # Options from here on. Some of these are preset by platform above
1339
1340 # Check for user-specified random device, otherwise check /dev/urandom
1341 AC_ARG_WITH(random,
1342         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1343         [
1344                 if test "x$withval" != "xno" ; then
1345                         RANDOM_POOL="$withval";
1346                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1347                 fi
1348         ],
1349         [
1350                 # Check for random device
1351                 AC_CHECK_FILE("/dev/urandom",
1352                         [
1353                                 RANDOM_POOL="/dev/urandom";
1354                                 AC_SUBST(RANDOM_POOL)
1355                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1356                         ]
1357                 )
1358         ]
1359 )
1360
1361 # Check for PRNGD/EGD pool file
1362 AC_ARG_WITH(prngd-port,
1363         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1364         [
1365                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1366                         PRNGD_PORT="$withval"
1367                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1368                 fi
1369         ]
1370 )
1371
1372 # Check for PRNGD/EGD pool file
1373 AC_ARG_WITH(prngd-socket,
1374         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1375         [
1376                 if test "x$withval" != "xno" ; then
1377                         PRNGD_SOCKET="$withval"
1378                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1379                 fi
1380         ],
1381         [
1382                 # Check for existing socket only if we don't have a random device already
1383                 if test -z "$RANDOM_POOL" ; then
1384                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1385                         # Insert other locations here
1386                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1387                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1388                                         PRNGD_SOCKET="$sock"
1389                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1390                                         break;
1391                                 fi
1392                         done
1393                         if test ! -z "$PRNGD_SOCKET" ; then
1394                                 AC_MSG_RESULT($PRNGD_SOCKET)
1395                         else
1396                                 AC_MSG_RESULT(not found)
1397                         fi
1398                 fi
1399         ]
1400 )
1401
1402
1403 # detect pathnames for entropy gathering commands, if we need them
1404 INSTALL_SSH_PRNG_CMDS=""
1405 rm -f prng_commands
1406 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1407         # Use these commands to collect entropy
1408         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1409         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1410         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1411         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1412         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1413         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1414         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1415         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1416         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1417         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1418         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1419         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1420         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1421         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1422
1423         INSTALL_SSH_PRNG_CMDS="yes"
1424 fi
1425 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1426
1427
1428 AC_ARG_WITH(catman,
1429         [  --with-catman=man|cat   Install preformatted manpages[no]],
1430         [
1431                 MANTYPE='$(CATMAN)'
1432                 if test x"$withval" != x"yes" ; then
1433                    mansubdir=$withval
1434                 else
1435                    mansubdir=cat
1436                 fi
1437         ], [
1438                 if test -z "$MANTYPE" ; then
1439                         MANTYPE='$(TROFFMAN)'
1440                         mansubdir=man
1441                 fi
1442         ]
1443 )
1444 AC_SUBST(MANTYPE)
1445 AC_SUBST(mansubdir)
1446
1447 # Check whether to enable MD5 passwords
1448 MD5_MSG="no"
1449 AC_ARG_WITH(md5-passwords,
1450         [  --with-md5-passwords    Enable use of MD5 passwords],
1451         [
1452                 if test "x$withval" != "xno" ; then
1453                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1454                         MD5_MSG="yes"
1455                 fi
1456         ]
1457 )
1458
1459 # Whether to disable shadow password support
1460 AC_ARG_WITH(shadow,
1461         [  --without-shadow        Disable shadow password support],
1462         [
1463                 if test "x$withval" = "xno" ; then
1464                         AC_DEFINE(DISABLE_SHADOW)
1465                         disable_shadow=yes
1466                 fi
1467         ]
1468 )
1469
1470 if test -z "$disable_shadow" ; then
1471         AC_MSG_CHECKING([if the systems has expire shadow information])
1472         AC_TRY_COMPILE(
1473         [
1474 #include <sys/types.h>
1475 #include <shadow.h>
1476         struct spwd sp;
1477         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1478         [ sp_expire_available=yes ], []
1479         )
1480
1481         if test "x$sp_expire_available" = "xyes" ; then
1482                 AC_MSG_RESULT(yes)
1483                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1484         else
1485                 AC_MSG_RESULT(no)
1486         fi
1487 fi
1488
1489 # Use ip address instead of hostname in $DISPLAY
1490 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1491         DISPLAY_HACK_MSG="yes"
1492         AC_DEFINE(IPADDR_IN_DISPLAY)
1493 else
1494         DISPLAY_HACK_MSG="no"
1495         AC_ARG_WITH(ipaddr-display,
1496                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1497                 [
1498                         if test "x$withval" != "xno" ; then
1499                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1500                                 DISPLAY_HACK_MSG="yes"
1501                         fi
1502                 ]
1503         )
1504 fi
1505
1506 # Whether to mess with the default path
1507 SERVER_PATH_MSG="(default)"
1508 AC_ARG_WITH(default-path,
1509         [  --with-default-path=PATH Specify default \$PATH environment for server],
1510         [
1511                 if test "x$withval" != "xno" ; then
1512                         user_path="$withval"
1513                         SERVER_PATH_MSG="$withval"
1514                 fi
1515         ],
1516         [
1517         AC_TRY_RUN(
1518                 [
1519 /* find out what STDPATH is */
1520 #include <stdio.h>
1521 #ifdef HAVE_PATHS_H
1522 # include <paths.h>
1523 #endif
1524 #ifndef _PATH_STDPATH
1525 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1526 #endif
1527 #include <sys/types.h>
1528 #include <sys/stat.h>
1529 #include <fcntl.h>
1530 #define DATA "conftest.stdpath"
1531
1532 main()
1533 {
1534         FILE *fd;
1535         int rc;
1536
1537         fd = fopen(DATA,"w");
1538         if(fd == NULL)
1539                 exit(1);
1540
1541         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1542                 exit(1);
1543
1544         exit(0);
1545 }
1546                 ], [ user_path=`cat conftest.stdpath` ],
1547                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1548                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1549         )
1550 # make sure $bindir is in USER_PATH so scp will work
1551                 t_bindir=`eval echo ${bindir}`
1552                 case $t_bindir in
1553                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1554                 esac
1555                 case $t_bindir in
1556                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1557                 esac
1558                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1559                 if test $? -ne 0  ; then
1560                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1561                         if test $? -ne 0  ; then
1562                                 user_path=$user_path:$t_bindir
1563                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1564                         fi
1565                 fi
1566         ]
1567 )
1568 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1569 AC_SUBST(user_path)
1570
1571 # Whether to force IPv4 by default (needed on broken glibc Linux)
1572 IPV4_HACK_MSG="no"
1573 AC_ARG_WITH(ipv4-default,
1574         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1575         [
1576                 if test "x$withval" != "xno" ; then
1577                         AC_DEFINE(IPV4_DEFAULT)
1578                         IPV4_HACK_MSG="yes"
1579                 fi
1580         ]
1581 )
1582
1583 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1584 IPV4_IN6_HACK_MSG="no"
1585 AC_ARG_WITH(4in6,
1586         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1587         [
1588                 if test "x$withval" != "xno" ; then
1589                         AC_MSG_RESULT(yes)
1590                         AC_DEFINE(IPV4_IN_IPV6)
1591                         IPV4_IN6_HACK_MSG="yes"
1592                 else
1593                         AC_MSG_RESULT(no)
1594                 fi
1595         ],[
1596                 if test "x$inet6_default_4in6" = "xyes"; then
1597                         AC_MSG_RESULT([yes (default)])
1598                         AC_DEFINE(IPV4_IN_IPV6)
1599                         IPV4_IN6_HACK_MSG="yes"
1600                 else
1601                         AC_MSG_RESULT([no (default)])
1602                 fi
1603         ]
1604 )
1605
1606 # Whether to enable BSD auth support
1607 AC_ARG_WITH(bsd-auth,
1608         [  --with-bsd-auth         Enable BSD auth support],
1609         [
1610                 if test "x$withval" != "xno" ; then
1611                         AC_DEFINE(BSD_AUTH)
1612                         bsd_auth=yes
1613                 fi
1614         ]
1615 )
1616
1617 AC_MSG_CHECKING(whether to install ssh as suid root)
1618 AC_ARG_ENABLE(suid-ssh,
1619 [  --enable-suid-ssh       Install ssh as suid root (default)
1620   --disable-suid-ssh      Install ssh without suid bit],
1621 [ case "$enableval" in
1622   no)
1623        AC_MSG_RESULT(no)
1624        SSHMODE=0711
1625        ;;
1626   *)   AC_MSG_RESULT(yes)
1627        SSHMODE=04711
1628        ;;
1629   esac ],
1630   AC_MSG_RESULT(yes)
1631   SSHMODE=04711
1632 )
1633 AC_SUBST(SSHMODE)
1634
1635
1636 # Where to place sshd.pid
1637 piddir=/var/run
1638 AC_ARG_WITH(pid-dir,
1639         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1640         [
1641                 if test "x$withval" != "xno" ; then
1642                         piddir=$withval
1643                 fi
1644         ]
1645 )
1646
1647 # make sure the directory exists
1648 if test ! -d $piddir ; then
1649         piddir=`eval echo ${sysconfdir}`
1650         case $piddir in
1651                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1652         esac
1653 fi
1654
1655 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1656 AC_SUBST(piddir)
1657
1658 dnl allow user to disable some login recording features
1659 AC_ARG_ENABLE(lastlog,
1660         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1661         [ AC_DEFINE(DISABLE_LASTLOG) ]
1662 )
1663 AC_ARG_ENABLE(utmp,
1664         [  --disable-utmp          disable use of utmp even if detected [no]],
1665         [ AC_DEFINE(DISABLE_UTMP) ]
1666 )
1667 AC_ARG_ENABLE(utmpx,
1668         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1669         [ AC_DEFINE(DISABLE_UTMPX) ]
1670 )
1671 AC_ARG_ENABLE(wtmp,
1672         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1673         [ AC_DEFINE(DISABLE_WTMP) ]
1674 )
1675 AC_ARG_ENABLE(wtmpx,
1676         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1677         [ AC_DEFINE(DISABLE_WTMPX) ]
1678 )
1679 AC_ARG_ENABLE(libutil,
1680         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1681         [ AC_DEFINE(DISABLE_LOGIN) ]
1682 )
1683 AC_ARG_ENABLE(pututline,
1684         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1685         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1686 )
1687 AC_ARG_ENABLE(pututxline,
1688         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1689         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1690 )
1691 AC_ARG_WITH(lastlog,
1692   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1693         [
1694                 if test "x$withval" = "xno" ; then
1695                         AC_DEFINE(DISABLE_LASTLOG)
1696                 else
1697                         conf_lastlog_location=$withval
1698                 fi
1699         ]
1700 )
1701
1702 dnl lastlog, [uw]tmpx? detection
1703 dnl  NOTE: set the paths in the platform section to avoid the
1704 dnl   need for command-line parameters
1705 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1706
1707 dnl lastlog detection
1708 dnl  NOTE: the code itself will detect if lastlog is a directory
1709 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1710 AC_TRY_COMPILE([
1711 #include <sys/types.h>
1712 #include <utmp.h>
1713 #ifdef HAVE_LASTLOG_H
1714 #  include <lastlog.h>
1715 #endif
1716 #ifdef HAVE_PATHS_H
1717 #  include <paths.h>
1718 #endif
1719         ],
1720         [ char *lastlog = LASTLOG_FILE; ],
1721         [ AC_MSG_RESULT(yes) ],
1722         [
1723                 AC_MSG_RESULT(no)
1724                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1725                 AC_TRY_COMPILE([
1726 #include <sys/types.h>
1727 #include <utmp.h>
1728 #ifdef HAVE_LASTLOG_H
1729 #  include <lastlog.h>
1730 #endif
1731 #ifdef HAVE_PATHS_H
1732 #  include <paths.h>
1733 #endif
1734                 ],
1735                 [ char *lastlog = _PATH_LASTLOG; ],
1736                 [ AC_MSG_RESULT(yes) ],
1737                 [
1738                         AC_MSG_RESULT(no)
1739                         system_lastlog_path=no
1740                 ])
1741         ]
1742 )
1743
1744 if test -z "$conf_lastlog_location"; then
1745         if test x"$system_lastlog_path" = x"no" ; then
1746                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1747                                 if (test -d "$f" || test -f "$f") ; then
1748                                         conf_lastlog_location=$f
1749                                 fi
1750                 done
1751                 if test -z "$conf_lastlog_location"; then
1752                         AC_MSG_WARN([** Cannot find lastlog **])
1753                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1754                 fi
1755         fi
1756 fi
1757
1758 if test -n "$conf_lastlog_location"; then
1759         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1760 fi
1761
1762 dnl utmp detection
1763 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1764 AC_TRY_COMPILE([
1765 #include <sys/types.h>
1766 #include <utmp.h>
1767 #ifdef HAVE_PATHS_H
1768 #  include <paths.h>
1769 #endif
1770         ],
1771         [ char *utmp = UTMP_FILE; ],
1772         [ AC_MSG_RESULT(yes) ],
1773         [ AC_MSG_RESULT(no)
1774           system_utmp_path=no ]
1775 )
1776 if test -z "$conf_utmp_location"; then
1777         if test x"$system_utmp_path" = x"no" ; then
1778                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1779                         if test -f $f ; then
1780                                 conf_utmp_location=$f
1781                         fi
1782                 done
1783                 if test -z "$conf_utmp_location"; then
1784                         AC_DEFINE(DISABLE_UTMP)
1785                 fi
1786         fi
1787 fi
1788 if test -n "$conf_utmp_location"; then
1789         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1790 fi
1791
1792 dnl wtmp detection
1793 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1794 AC_TRY_COMPILE([
1795 #include <sys/types.h>
1796 #include <utmp.h>
1797 #ifdef HAVE_PATHS_H
1798 #  include <paths.h>
1799 #endif
1800         ],
1801         [ char *wtmp = WTMP_FILE; ],
1802         [ AC_MSG_RESULT(yes) ],
1803         [ AC_MSG_RESULT(no)
1804           system_wtmp_path=no ]
1805 )
1806 if test -z "$conf_wtmp_location"; then
1807         if test x"$system_wtmp_path" = x"no" ; then
1808                 for f in /usr/adm/wtmp /var/log/wtmp; do
1809                         if test -f $f ; then
1810                                 conf_wtmp_location=$f
1811                         fi
1812                 done
1813                 if test -z "$conf_wtmp_location"; then
1814                         AC_DEFINE(DISABLE_WTMP)
1815                 fi
1816         fi
1817 fi
1818 if test -n "$conf_wtmp_location"; then
1819         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1820 fi
1821
1822
1823 dnl utmpx detection - I don't know any system so perverse as to require
1824 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1825 dnl  there, though.
1826 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1827 AC_TRY_COMPILE([
1828 #include <sys/types.h>
1829 #include <utmp.h>
1830 #ifdef HAVE_UTMPX_H
1831 #include <utmpx.h>
1832 #endif
1833 #ifdef HAVE_PATHS_H
1834 #  include <paths.h>
1835 #endif
1836         ],
1837         [ char *utmpx = UTMPX_FILE; ],
1838         [ AC_MSG_RESULT(yes) ],
1839         [ AC_MSG_RESULT(no)
1840           system_utmpx_path=no ]
1841 )
1842 if test -z "$conf_utmpx_location"; then
1843         if test x"$system_utmpx_path" = x"no" ; then
1844                 AC_DEFINE(DISABLE_UTMPX)
1845         fi
1846 else
1847         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1848 fi
1849
1850 dnl wtmpx detection
1851 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1852 AC_TRY_COMPILE([
1853 #include <sys/types.h>
1854 #include <utmp.h>
1855 #ifdef HAVE_UTMPX_H
1856 #include <utmpx.h>
1857 #endif
1858 #ifdef HAVE_PATHS_H
1859 #  include <paths.h>
1860 #endif
1861         ],
1862         [ char *wtmpx = WTMPX_FILE; ],
1863         [ AC_MSG_RESULT(yes) ],
1864         [ AC_MSG_RESULT(no)
1865           system_wtmpx_path=no ]
1866 )
1867 if test -z "$conf_wtmpx_location"; then
1868         if test x"$system_wtmpx_path" = x"no" ; then
1869                 AC_DEFINE(DISABLE_WTMPX)
1870         fi
1871 else
1872         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1873 fi
1874
1875
1876 # Change default command timeout for builtin PRNG
1877 entropy_timeout=200
1878 AC_ARG_WITH(entropy-timeout,
1879         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1880         [
1881                 if test "x$withval" != "xno" ; then
1882                         entropy_timeout=$withval
1883                 fi
1884         ]
1885 )
1886 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1887
1888
1889 if test ! -z "$blibpath" ; then
1890         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1891         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1892 fi
1893
1894 AC_EXEEXT
1895
1896 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1897
1898 # Print summary of options
1899
1900 if test x$MANTYPE = x'$(CATMAN)' ; then
1901         MAN_MSG=cat
1902 else
1903         MAN_MSG=man
1904 fi
1905 if test ! -z "$RANDOM_POOL" ; then
1906         RAND_MSG="Device ($RANDOM_POOL)"
1907 else
1908         if test ! -z "$PRNGD_PORT" ; then
1909                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1910         elif test ! -z "$PRNGD_SOCKET" ; then
1911                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1912         else
1913                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1914                 BUILTIN_RNG=1
1915         fi
1916 fi
1917
1918 # Someone please show me a better way :)
1919 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1920 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1921 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1922 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1923 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1924 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1925 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1926 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1927
1928 echo ""
1929 echo "OpenSSH configured has been configured with the following options."
1930 echo "                 User binaries: $B"
1931 echo "               System binaries: $C"
1932 echo "           Configuration files: $D"
1933 echo "               Askpass program: $E"
1934 echo "                  Manual pages: $F"
1935 echo "                      PID file: $G"
1936 echo "        sshd default user PATH: $H"
1937 echo "      Random number collection: $RAND_MSG"
1938 echo "                Manpage format: $MAN_MSG"
1939 echo "                   PAM support: ${PAM_MSG}"
1940 echo "            KerberosIV support: $KRB4_MSG"
1941 echo "                   AFS support: $AFS_MSG"
1942 echo "                 S/KEY support: $SKEY_MSG"
1943 echo "          TCP Wrappers support: $TCPW_MSG"
1944 echo "          MD5 password support: $MD5_MSG"
1945 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1946 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1947 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1948
1949 if test ! -z "$bsd_auth"; then
1950         echo "              BSD Auth support: yes"
1951 fi
1952
1953 echo ""
1954
1955 echo "              Host: ${host}"
1956 echo "          Compiler: ${CC}"
1957 echo "    Compiler flags: ${CFLAGS}"
1958 echo "Preprocessor flags: ${CPPFLAGS}"
1959 echo "      Linker flags: ${LDFLAGS}"
1960 echo "         Libraries: ${LIBS}"
1961
1962 echo ""
1963
1964 if test "x$PAM_MSG" = "xyes" ; then
1965         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1966         echo "otherwise password authentication may fail. Example PAM control files"
1967         echo "can be found in the contrib/ subdirectory"
1968         echo ""
1969 fi
1970
1971 if test ! -z "$BUILTIN_RNG" ; then
1972         echo "WARNING: you are using the builtin random number collection service."
1973         echo "Please read WARNING.RNG and request that your OS vendor includes"
1974         echo "/dev/random in future versions of their OS."
1975         echo ""
1976 fi
1977
1978 if test ! -z "$NO_SFTP"; then
1979         echo "sftp-server will be disabled.  Your compiler does not support"
1980         echo "64bit integers."
1981         echo ""
1982 fi
1983