configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8 AC_C_BIGENDIAN
   9
  10 # Checks for programs.
  11 AC_PROG_CPP
  12 AC_PROG_RANLIB
  13 AC_PROG_INSTALL
  14 AC_PATH_PROG(AR, ar)
  15 AC_PATH_PROGS(PERL, perl5 perl)
  16 AC_SUBST(PERL)
  17 AC_PATH_PROG(ENT, ent)
  18 AC_SUBST(ENT)
  19 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  23
  24 if test -z "$AR" ; then
  25         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  26 fi
  27
  28 # Use LOGIN_PROGRAM from environment if possible
  29 if test ! -z "$LOGIN_PROGRAM" ; then
  30         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  31 else
  32         # Search for login
  33         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  34         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  35                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  36         fi
  37 fi
  38
  39 if test -z "$LD" ; then
  40         LD=$CC
  41 fi
  42 AC_SUBST(LD)
  43
  44 AC_C_INLINE
  45 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  46         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  47 fi
  48
  49 # Check for some target-specific stuff
  50 case "$host" in
  51 *-*-aix*)
  52         AFS_LIBS="-lld"
  53         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  54         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  55         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  56                 blibpath="/usr/lib:/lib:/usr/local/lib"
  57         fi
  58         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  59         AC_DEFINE(BROKEN_GETADDRINFO)
  60         dnl AIX handles lastlog as part of its login message
  61         AC_DEFINE(DISABLE_LASTLOG)
  62         ;;
  63 *-*-cygwin*)
  64         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  65         AC_DEFINE(HAVE_CYGWIN)
  66         AC_DEFINE(USE_PIPES)
  67         AC_DEFINE(DISABLE_SHADOW)
  68         AC_DEFINE(IPV4_DEFAULT)
  69         AC_DEFINE(IP_TOS_IS_BROKEN)
  70         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  71         no_libsocket=1
  72         no_libnsl=1
  73         ;;
  74 *-*-dgux*)
  75         AC_DEFINE(IP_TOS_IS_BROKEN)
  76         ;;
  77 *-*-hpux10*)
  78         if test -z "$GCC"; then
  79                 CFLAGS="$CFLAGS -Ae"
  80         fi
  81         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  82         IPADDR_IN_DISPLAY=yes
  83         AC_DEFINE(USE_PIPES)
  84         AC_DEFINE(DISABLE_SHADOW)
  85         AC_DEFINE(DISABLE_UTMP)
  86         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  87         LIBS="$LIBS -lsec"
  88         ;;
  89 *-*-hpux11*)
  90         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  91         IPADDR_IN_DISPLAY=yes
  92         AC_DEFINE(PAM_SUN_CODEBASE)
  93         AC_DEFINE(USE_PIPES)
  94         AC_DEFINE(DISABLE_SHADOW)
  95         AC_DEFINE(DISABLE_UTMP)
  96         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  97         LIBS="$LIBS -lsec"
  98         ;;
  99 *-*-irix5*)
 100         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 101         LDFLAGS="$LDFLAGS"
 102         PATH="$PATH:/usr/etc"
 103         no_libsocket=1
 104         no_libnsl=1
 105         AC_DEFINE(BROKEN_INET_NTOA)
 106         ;;
 107 *-*-irix6*)
 108         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 109         LDFLAGS="$LDFLAGS"
 110         PATH="$PATH:/usr/etc"
 111         AC_DEFINE(WITH_IRIX_ARRAY)
 112         AC_DEFINE(WITH_IRIX_PROJECT)
 113         AC_DEFINE(WITH_IRIX_AUDIT)
 114         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 115         no_libsocket=1
 116         no_libnsl=1
 117         AC_DEFINE(BROKEN_INET_NTOA)
 118         ;;
 119 *-*-linux*)
 120         no_dev_ptmx=1
 121         check_for_libcrypt_later=1
 122         AC_DEFINE(DONT_TRY_OTHER_AF)
 123         AC_DEFINE(PAM_TTY_KLUDGE)
 124         inet6_default_4in6=yes
 125         ;;
 126 mips-sony-bsd|mips-sony-newsos4)
 127         AC_DEFINE(HAVE_NEWS4)
 128         SONY=1
 129         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 130                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 131         )
 132         ;;
 133 *-*-netbsd*)
 134         need_dash_r=1
 135         ;;
 136 *-*-freebsd*)
 137         check_for_libcrypt_later=1
 138         ;;
 139 *-next-*)
 140         conf_lastlog_location="/usr/adm/lastlog"
 141         conf_utmp_location=/etc/utmp
 142         conf_wtmp_location=/usr/adm/wtmp
 143         MAIL=/usr/spool/mail
 144         AC_DEFINE(HAVE_NEXT)
 145         AC_DEFINE(BROKEN_REALPATH)
 146         AC_DEFINE(USE_PIPES)
 147         AC_DEFINE(BROKEN_SAVED_UIDS)
 148         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 149         CFLAGS="$CFLAGS"
 150         ;;
 151 *-*-solaris*)
 152         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 153         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 154         need_dash_r=1
 155         AC_DEFINE(PAM_SUN_CODEBASE)
 156         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 157         AC_DEFINE(LOGIN_NEEDS_TERM)
 158         # hardwire lastlog location (can't detect it on some versions)
 159         conf_lastlog_location="/var/adm/lastlog"
 160         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 161         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 162         if test "$sol2ver" -ge 8; then
 163                 AC_MSG_RESULT(yes)
 164                 AC_DEFINE(DISABLE_UTMP)
 165                 AC_DEFINE(DISABLE_WTMP)
 166         else
 167                 AC_MSG_RESULT(no)
 168         fi
 169         ;;
 170 *-*-sunos4*)
 171         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 172         AC_CHECK_FUNCS(getpwanam)
 173         AC_DEFINE(PAM_SUN_CODEBASE)
 174         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 175         conf_utmp_location=/etc/utmp
 176         conf_wtmp_location=/var/adm/wtmp
 177         conf_lastlog_location=/var/adm/lastlog
 178         AC_DEFINE(USE_PIPES)
 179         ;;
 180 *-ncr-sysv*)
 181         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 182         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 183         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 184         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 185         ;;
 186 *-sni-sysv*)
 187         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 188         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 189         IPADDR_IN_DISPLAY=yes
 190         AC_DEFINE(USE_PIPES)
 191         AC_DEFINE(IP_TOS_IS_BROKEN)
 192         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 193         LIBS="$LIBS -lgen -lnsl -lucb"
 194         ;;
 195 *-*-sysv4.2*)
 196         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 198         enable_suid_ssh=no
 199         AC_DEFINE(USE_PIPES)
 200         ;;
 201 *-*-sysv5*)
 202         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 203         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 204         enable_suid_ssh=no
 205         AC_DEFINE(USE_PIPES)
 206         ;;
 207 *-*-sysv*)
 208         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 209         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 210         LIBS="$LIBS -lgen -lsocket"
 211         ;;
 212 *-*-sco3.2v4*)
 213         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 214         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 215         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 216         rsh_path="/usr/bin/rcmd"
 217         RANLIB=true
 218         no_dev_ptmx=1
 219         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 220         AC_DEFINE(USE_PIPES)
 221         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 222         AC_DEFINE(DISABLE_SHADOW)
 223         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 224         AC_DEFINE(BROKEN_SAVED_UIDS)
 225         AC_CHECK_FUNCS(getluid setluid)
 226         MANTYPE=man
 227         ;;
 228 *-*-sco3.2v5*)
 229         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 230         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 231         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 232         no_dev_ptmx=1
 233         rsh_path="/usr/bin/rcmd"
 234         AC_DEFINE(USE_PIPES)
 235         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 236         AC_DEFINE(DISABLE_SHADOW)
 237         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 238         AC_CHECK_FUNCS(getluid setluid)
 239         MANTYPE=man
 240         ;;
 241 *-dec-osf*)
 242         AC_MSG_CHECKING(for Digital Unix SIA)
 243         no_osfsia=""
 244         AC_ARG_WITH(osfsia,
 245                 [  --with-osfsia           Enable Digital Unix SIA],
 246                 [
 247                         if test "x$withval" = "xno" ; then
 248                                 AC_MSG_RESULT(disabled)
 249                                 no_osfsia=1
 250                         fi
 251                 ],
 252         )
 253         if test -z "$no_osfsia" ; then
 254                 if test -f /etc/sia/matrix.conf; then
 255                         AC_MSG_RESULT(yes)
 256                         AC_DEFINE(HAVE_OSF_SIA)
 257                         AC_DEFINE(DISABLE_LOGIN)
 258                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 259                 else
 260                         AC_MSG_RESULT(no)
 261                 fi
 262         fi
 263         ;;
 264 esac
 265
 266 # Allow user to specify flags
 267 AC_ARG_WITH(cflags,
 268         [  --with-cflags           Specify additional flags to pass to compiler],
 269         [
 270                 if test "x$withval" != "xno" ; then
 271                         CFLAGS="$CFLAGS $withval"
 272                 fi
 273         ]
 274 )
 275 AC_ARG_WITH(cppflags,
 276         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 277         [
 278                 if test "x$withval" != "xno"; then
 279                         CPPFLAGS="$CPPFLAGS $withval"
 280                 fi
 281         ]
 282 )
 283 AC_ARG_WITH(ldflags,
 284         [  --with-ldflags          Specify additional flags to pass to linker],
 285         [
 286                 if test "x$withval" != "xno" ; then
 287                         LDFLAGS="$LDFLAGS $withval"
 288                 fi
 289         ]
 290 )
 291 AC_ARG_WITH(libs,
 292         [  --with-libs             Specify additional libraries to link with],
 293         [
 294                 if test "x$withval" != "xno" ; then
 295                         LIBS="$LIBS $withval"
 296                 fi
 297         ]
 298 )
 299
 300 AC_ARG_WITH(pcre,
 301         [  --with-pcre             Override built in regex library with pcre],
 302         [
 303
 304                 AC_CHECK_LIB(pcre, pcre_info,
 305                         [
 306                                 AC_DEFINE(HAVE_LIBPCRE)
 307                                 LIBS="$LIBS -lpcreposix -lpcre"
 308                                 no_comp_check="yes"
 309                         ],
 310                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 311                 )
 312         ]
 313 )
 314
 315 # Checks for libraries.
 316 if test -z "$no_libnsl" ; then
 317         AC_CHECK_LIB(nsl, yp_match, , )
 318 fi
 319 if test -z "$no_libsocket" ; then
 320         AC_CHECK_LIB(socket, main, , )
 321 fi
 322
 323 dnl SCO OS3 needs this for libwrap
 324 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 325
 326 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 327 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 328 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 329
 330 # We don't want to check if we did an pcre override.
 331 if test -z "$no_comp_check" ; then
 332         AC_CHECK_FUNC(regcomp,
 333                 [ AC_DEFINE(HAVE_REGCOMP)],
 334                 [
 335                         AC_CHECK_LIB(pcre, pcre_info,
 336                         [
 337                                 AC_DEFINE(HAVE_LIBPCRE)
 338                                 LIBS="$LIBS -lpcreposix -lpcre"
 339                         ],
 340                         [
 341                                 AC_MSG_ERROR([*** No regex library found.])
 342                         ])
 343                 ]
 344         )
 345 fi
 346
 347 dnl UnixWare 2.x
 348 AC_CHECK_FUNC(strcasecmp,
 349         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 350 )
 351 AC_CHECK_FUNC(utimes,
 352         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 353 )
 354
 355 AC_FUNC_STRFTIME
 356
 357 # Checks for header files.
 358 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)
 359
 360 # Check for ALTDIRFUNC glob() extension
 361 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 362 AC_EGREP_CPP(FOUNDIT,
 363         [
 364                 #include <glob.h>
 365                 #ifdef GLOB_ALTDIRFUNC
 366                 FOUNDIT
 367                 #endif
 368         ],
 369         [
 370                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 371                 AC_MSG_RESULT(yes)
 372         ],
 373         [
 374                 AC_MSG_RESULT(no)
 375         ]
 376 )
 377
 378 # Check for g.gl_matchc glob() extension
 379 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 380 AC_EGREP_CPP(FOUNDIT,
 381         [
 382                 #include <glob.h>
 383                 int main(void){glob_t g; g.gl_matchc = 1;}
 384         ],
 385         [
 386                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 387                 AC_MSG_RESULT(yes)
 388         ],
 389         [
 390                 AC_MSG_RESULT(no)
 391         ]
 392 )
 393
 394 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 395 AC_TRY_RUN(
 396         [
 397 #include <sys/types.h>
 398 #include <dirent.h>
 399 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 400         ],
 401         [AC_MSG_RESULT(yes)],
 402         [
 403                 AC_MSG_RESULT(no)
 404                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 405         ]
 406 )
 407
 408 # Check whether user wants S/Key support
 409 SKEY_MSG="no"
 410 AC_ARG_WITH(skey,
 411         [  --with-skey=PATH         Enable S/Key support],
 412         [
 413                 if test "x$withval" != "xno" ; then
 414
 415                         if test "x$withval" != "xyes" ; then
 416                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 417                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 418                         fi
 419
 420                         AC_DEFINE(SKEY)
 421                         LIBS="-lskey $LIBS"
 422                         SKEY_MSG="yes"
 423
 424                         AC_CHECK_FUNC(skey_keyinfo,
 425                                 [],
 426                                 [
 427                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 428                                 ])
 429                 fi
 430         ]
 431 )
 432
 433 # Check whether user wants TCP wrappers support
 434 TCPW_MSG="no"
 435 AC_ARG_WITH(tcp-wrappers,
 436         [  --with-tcp-wrappers     Enable tcpwrappers support],
 437         [
 438                 if test "x$withval" != "xno" ; then
 439                         saved_LIBS="$LIBS"
 440                         LIBS="-lwrap $LIBS"
 441                         AC_MSG_CHECKING(for libwrap)
 442                         AC_TRY_LINK(
 443                                 [
 444 #include <tcpd.h>
 445                                         int deny_severity = 0, allow_severity = 0;
 446                                 ],
 447                                 [hosts_access(0);],
 448                                 [
 449                                         AC_MSG_RESULT(yes)
 450                                         AC_DEFINE(LIBWRAP)
 451                                         TCPW_MSG="yes"
 452                                 ],
 453                                 [
 454                                         AC_MSG_ERROR([*** libwrap missing])
 455                                 ]
 456                         )
 457                 fi
 458         ]
 459 )
 460
 461 dnl    Checks for library functions.
 462 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 readpassphrase 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)
 463 dnl    Checks for time functions
 464 AC_CHECK_FUNCS(gettimeofday time)
 465 dnl    Checks for libutil functions
 466 AC_CHECK_HEADERS(libutil.h)
 467 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 468 dnl    Checks for utmp functions
 469 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 470 AC_CHECK_FUNCS(utmpname)
 471 dnl    Checks for utmpx functions
 472 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 473 AC_CHECK_FUNCS(setutxent utmpxname)
 474
 475 AC_CHECK_FUNC(getuserattr,
 476         [AC_DEFINE(HAVE_GETUSERATTR)],
 477         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 478 )
 479
 480 AC_CHECK_FUNC(login,
 481         [AC_DEFINE(HAVE_LOGIN)],
 482         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 483 )
 484
 485 AC_CHECK_FUNC(daemon,
 486         [AC_DEFINE(HAVE_DAEMON)],
 487         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 488 )
 489
 490 AC_CHECK_FUNC(getpagesize,
 491         [AC_DEFINE(HAVE_GETPAGESIZE)],
 492         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 493 )
 494
 495 # Check for broken snprintf
 496 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 497         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 498         AC_TRY_RUN(
 499                 [
 500 #include <stdio.h>
 501 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 502                 ],
 503                 [AC_MSG_RESULT(yes)],
 504                 [
 505                         AC_MSG_RESULT(no)
 506                         AC_DEFINE(BROKEN_SNPRINTF)
 507                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 508                 ]
 509         )
 510 fi
 511
 512 AC_FUNC_GETPGRP
 513
 514 # Check for PAM libs
 515 PAM_MSG="no"
 516 AC_ARG_WITH(pam,
 517         [  --with-pam              Enable PAM support ],
 518         [
 519                 if test "x$withval" != "xno" ; then
 520                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 521                                 AC_MSG_ERROR([PAM headers not found])
 522                         fi
 523
 524                         AC_CHECK_LIB(dl, dlopen, , )
 525                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 526                         AC_CHECK_FUNCS(pam_getenvlist)
 527
 528                         disable_shadow=yes
 529                         PAM_MSG="yes"
 530
 531                         AC_DEFINE(USE_PAM)
 532                 fi
 533         ]
 534 )
 535
 536 # Check for older PAM
 537 if test "x$PAM_MSG" = "xyes" ; then
 538         # Check PAM strerror arguments (old PAM)
 539         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 540         AC_TRY_COMPILE(
 541                 [
 542 #include <stdlib.h>
 543 #include <security/pam_appl.h>
 544                 ],
 545                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 546                 [AC_MSG_RESULT(no)],
 547                 [
 548                         AC_DEFINE(HAVE_OLD_PAM)
 549                         AC_MSG_RESULT(yes)
 550                         PAM_MSG="yes (old library)"
 551                 ]
 552         )
 553 fi
 554
 555 # The big search for OpenSSL
 556 AC_ARG_WITH(ssl-dir,
 557         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 558         [
 559                 if test "x$withval" != "xno" ; then
 560                         tryssldir=$withval
 561                 fi
 562         ]
 563 )
 564
 565 saved_LIBS="$LIBS"
 566 saved_LDFLAGS="$LDFLAGS"
 567 saved_CPPFLAGS="$CPPFLAGS"
 568 if test "x$prefix" != "xNONE" ; then
 569         tryssldir="$tryssldir $prefix"
 570 fi
 571 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 572         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 573                 CPPFLAGS="$saved_CPPFLAGS"
 574                 LDFLAGS="$saved_LDFLAGS"
 575                 LIBS="$saved_LIBS -lcrypto"
 576
 577                 # Skip directories if they don't exist
 578                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 579                         continue;
 580                 fi
 581                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 582                         # Try to use $ssldir/lib if it exists, otherwise
 583                         # $ssldir
 584                         if test -d "$ssldir/lib" ; then
 585                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 586                                 if test ! -z "$need_dash_r" ; then
 587                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 588                                 fi
 589                         else
 590                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 591                                 if test ! -z "$need_dash_r" ; then
 592                                         LDFLAGS="-R$ssldir $LDFLAGS"
 593                                 fi
 594                         fi
 595                         # Try to use $ssldir/include if it exists, otherwise
 596                         # $ssldir
 597                         if test -d "$ssldir/include" ; then
 598                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 599                         else
 600                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 601                         fi
 602                 fi
 603
 604                 # Basic test to check for compatible version and correct linking
 605                 # *does not* test for RSA - that comes later.
 606                 AC_TRY_RUN(
 607                         [
 608 #include <string.h>
 609 #include <openssl/rand.h>
 610 int main(void)
 611 {
 612         char a[2048];
 613         memset(a, 0, sizeof(a));
 614         RAND_add(a, sizeof(a), sizeof(a));
 615         return(RAND_status() <= 0);
 616 }
 617                         ],
 618                         [
 619                                 found_crypto=1
 620                                 break;
 621                         ], []
 622                 )
 623
 624                 if test ! -z "$found_crypto" ; then
 625                         break;
 626                 fi
 627         done
 628
 629         if test -z "$found_crypto" ; then
 630                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 631         fi
 632         if test -z "$ssldir" ; then
 633                 ssldir="(system)"
 634         fi
 635
 636         ac_cv_openssldir=$ssldir
 637 ])
 638
 639 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 640         AC_DEFINE(HAVE_OPENSSL)
 641         dnl Need to recover ssldir - test above runs in subshell
 642         ssldir=$ac_cv_openssldir
 643         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 644                 # Try to use $ssldir/lib if it exists, otherwise
 645                 # $ssldir
 646                 if test -d "$ssldir/lib" ; then
 647                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 648                         if test ! -z "$need_dash_r" ; then
 649                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 650                         fi
 651                 else
 652                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 653                         if test ! -z "$need_dash_r" ; then
 654                                 LDFLAGS="-R$ssldir $LDFLAGS"
 655                         fi
 656                 fi
 657                 # Try to use $ssldir/include if it exists, otherwise
 658                 # $ssldir
 659                 if test -d "$ssldir/include" ; then
 660                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 661                 else
 662                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 663                 fi
 664         fi
 665 fi
 666 LIBS="$saved_LIBS -lcrypto"
 667
 668 # Now test RSA support
 669 saved_LIBS="$LIBS"
 670 AC_MSG_CHECKING([for RSA support])
 671 for WANTS_RSAREF in "" 1 ; do
 672         if test -z "$WANTS_RSAREF" ; then
 673                 LIBS="$saved_LIBS"
 674         else
 675                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 676         fi
 677         AC_TRY_RUN([
 678 #include <string.h>
 679 #include <openssl/rand.h>
 680 #include <openssl/rsa.h>
 681 #include <openssl/bn.h>
 682 #include <openssl/sha.h>
 683 int main(void)
 684 {
 685         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 686         unsigned char c[256], p[256];
 687         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 688         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 689         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 690         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 691 }
 692         ],
 693         [
 694                 rsa_works=1
 695                 break;
 696         ], [])
 697 done
 698 LIBS="$saved_LIBS"
 699
 700 if test ! -z "$no_rsa" ; then
 701         AC_MSG_RESULT(disabled)
 702         RSA_MSG="disabled"
 703 else
 704         if test -z "$rsa_works" ; then
 705                 AC_MSG_WARN([*** No RSA support found *** ])
 706                 RSA_MSG="no"
 707         else
 708                 if test -z "$WANTS_RSAREF" ; then
 709                         AC_MSG_RESULT(yes)
 710                         RSA_MSG="yes"
 711                 else
 712                         RSA_MSG="yes (using RSAref)"
 713                         AC_MSG_RESULT(using RSAref)
 714                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 715                 fi
 716         fi
 717 fi
 718
 719 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 720 # version in OpenSSL. Skip this for PAM
 721 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 722         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 723 fi
 724
 725 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 726 if test ! -z "$SONY" ; then
 727   LIBS="$LIBS -liberty";
 728 fi
 729
 730 # Checks for data types
 731 AC_CHECK_SIZEOF(char, 1)
 732 AC_CHECK_SIZEOF(short int, 2)
 733 AC_CHECK_SIZEOF(int, 4)
 734 AC_CHECK_SIZEOF(long int, 4)
 735 AC_CHECK_SIZEOF(long long int, 8)
 736
 737 # More checks for data types
 738 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 739         AC_TRY_COMPILE(
 740                 [ #include <sys/types.h> ],
 741                 [ u_int a; a = 1;],
 742                 [ ac_cv_have_u_int="yes" ],
 743                 [ ac_cv_have_u_int="no" ]
 744         )
 745 ])
 746 if test "x$ac_cv_have_u_int" = "xyes" ; then
 747         AC_DEFINE(HAVE_U_INT)
 748         have_u_int=1
 749 fi
 750
 751 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 752         AC_TRY_COMPILE(
 753                 [ #include <sys/types.h> ],
 754                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 755                 [ ac_cv_have_intxx_t="yes" ],
 756                 [ ac_cv_have_intxx_t="no" ]
 757         )
 758 ])
 759 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 760         AC_DEFINE(HAVE_INTXX_T)
 761         have_intxx_t=1
 762 fi
 763
 764 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 765         AC_TRY_COMPILE(
 766                 [ #include <sys/types.h> ],
 767                 [ int64_t a; a = 1;],
 768                 [ ac_cv_have_int64_t="yes" ],
 769                 [ ac_cv_have_int64_t="no" ]
 770         )
 771 ])
 772 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 773         AC_DEFINE(HAVE_INT64_T)
 774         have_int64_t=1
 775 fi
 776
 777 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 778         AC_TRY_COMPILE(
 779                 [ #include <sys/types.h> ],
 780                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 781                 [ ac_cv_have_u_intxx_t="yes" ],
 782                 [ ac_cv_have_u_intxx_t="no" ]
 783         )
 784 ])
 785 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 786         AC_DEFINE(HAVE_U_INTXX_T)
 787         have_u_intxx_t=1
 788 fi
 789
 790 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 791         AC_TRY_COMPILE(
 792                 [ #include <sys/types.h> ],
 793                 [ u_int64_t a; a = 1;],
 794                 [ ac_cv_have_u_int64_t="yes" ],
 795                 [ ac_cv_have_u_int64_t="no" ]
 796         )
 797 ])
 798 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 799         AC_DEFINE(HAVE_U_INT64_T)
 800         have_u_int64_t=1
 801 fi
 802
 803 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 804            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 805 then
 806         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 807         AC_TRY_COMPILE(
 808                 [
 809 #include <sys/bitypes.h>
 810                 ],
 811                 [
 812                         int8_t a; int16_t b; int32_t c;
 813                         u_int8_t e; u_int16_t f; u_int32_t g;
 814                         a = b = c = e = f = g = 1;
 815                 ],
 816                 [
 817                         AC_DEFINE(HAVE_U_INTXX_T)
 818                         AC_DEFINE(HAVE_INTXX_T)
 819                         AC_MSG_RESULT(yes)
 820                 ],
 821                 [AC_MSG_RESULT(no)]
 822         )
 823 fi
 824
 825 if test -z "$have_u_intxx_t" ; then
 826         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 827                 AC_TRY_COMPILE(
 828                         [
 829 #include <sys/types.h>
 830                         ],
 831                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 832                         [ ac_cv_have_uintxx_t="yes" ],
 833                         [ ac_cv_have_uintxx_t="no" ]
 834                 )
 835         ])
 836         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 837                 AC_DEFINE(HAVE_UINTXX_T)
 838         fi
 839 fi
 840
 841 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 842         AC_TRY_COMPILE(
 843                 [
 844 #include <sys/types.h>
 845 #include <sys/socket.h>
 846                 ],
 847                 [socklen_t foo; foo = 1235;],
 848                 [ ac_cv_have_socklen_t="yes" ],
 849                 [ ac_cv_have_socklen_t="no" ]
 850         )
 851 ])
 852 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 853         AC_DEFINE(HAVE_SOCKLEN_T)
 854 fi
 855
 856 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 857         AC_TRY_COMPILE(
 858                 [
 859 #include <sys/types.h>
 860                 ],
 861                 [ size_t foo; foo = 1235; ],
 862                 [ ac_cv_have_size_t="yes" ],
 863                 [ ac_cv_have_size_t="no" ]
 864         )
 865 ])
 866 if test "x$ac_cv_have_size_t" = "xyes" ; then
 867         AC_DEFINE(HAVE_SIZE_T)
 868 fi
 869
 870 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 871         AC_TRY_COMPILE(
 872                 [
 873 #include <sys/types.h>
 874                 ],
 875                 [ ssize_t foo; foo = 1235; ],
 876                 [ ac_cv_have_ssize_t="yes" ],
 877                 [ ac_cv_have_ssize_t="no" ]
 878         )
 879 ])
 880 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 881         AC_DEFINE(HAVE_SSIZE_T)
 882 fi
 883
 884 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 885         AC_TRY_COMPILE(
 886                 [
 887 #include <time.h>
 888                 ],
 889                 [ clock_t foo; foo = 1235; ],
 890                 [ ac_cv_have_clock_t="yes" ],
 891                 [ ac_cv_have_clock_t="no" ]
 892         )
 893 ])
 894 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 895         AC_DEFINE(HAVE_CLOCK_T)
 896 fi
 897
 898 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 899         AC_TRY_COMPILE(
 900                 [
 901 #include <sys/types.h>
 902 #include <sys/socket.h>
 903                 ],
 904                 [ sa_family_t foo; foo = 1235; ],
 905                 [ ac_cv_have_sa_family_t="yes" ],
 906                 [ AC_TRY_COMPILE(
 907                   [
 908 #include <sys/types.h>
 909 #include <sys/socket.h>
 910 #include <netinet/in.h>
 911                 ],
 912                 [ sa_family_t foo; foo = 1235; ],
 913                 [ ac_cv_have_sa_family_t="yes" ],
 914
 915                 [ ac_cv_have_sa_family_t="no" ]
 916         )]
 917         )
 918 ])
 919 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 920         AC_DEFINE(HAVE_SA_FAMILY_T)
 921 fi
 922
 923 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 924         AC_TRY_COMPILE(
 925                 [
 926 #include <sys/types.h>
 927                 ],
 928                 [ pid_t foo; foo = 1235; ],
 929                 [ ac_cv_have_pid_t="yes" ],
 930                 [ ac_cv_have_pid_t="no" ]
 931         )
 932 ])
 933 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 934         AC_DEFINE(HAVE_PID_T)
 935 fi
 936
 937 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 938         AC_TRY_COMPILE(
 939                 [
 940 #include <sys/types.h>
 941                 ],
 942                 [ mode_t foo; foo = 1235; ],
 943                 [ ac_cv_have_mode_t="yes" ],
 944                 [ ac_cv_have_mode_t="no" ]
 945         )
 946 ])
 947 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 948         AC_DEFINE(HAVE_MODE_T)
 949 fi
 950
 951
 952 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 953         AC_TRY_COMPILE(
 954                 [
 955 #include <sys/types.h>
 956 #include <sys/socket.h>
 957                 ],
 958                 [ struct sockaddr_storage s; ],
 959                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 960                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 961         )
 962 ])
 963 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 964         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 965 fi
 966
 967 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 968         AC_TRY_COMPILE(
 969                 [
 970 #include <sys/types.h>
 971 #include <netinet/in.h>
 972                 ],
 973                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 974                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 975                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 976         )
 977 ])
 978 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 979         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 980 fi
 981
 982 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 983         AC_TRY_COMPILE(
 984                 [
 985 #include <sys/types.h>
 986 #include <netinet/in.h>
 987                 ],
 988                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 989                 [ ac_cv_have_struct_in6_addr="yes" ],
 990                 [ ac_cv_have_struct_in6_addr="no" ]
 991         )
 992 ])
 993 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 994         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 995 fi
 996
 997 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 998         AC_TRY_COMPILE(
 999                 [
1000 #include <sys/types.h>
1001 #include <sys/socket.h>
1002 #include <netdb.h>
1003                 ],
1004                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1005                 [ ac_cv_have_struct_addrinfo="yes" ],
1006                 [ ac_cv_have_struct_addrinfo="no" ]
1007         )
1008 ])
1009 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1010         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1011 fi
1012
1013 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1014         AC_TRY_COMPILE(
1015                 [ #include <sys/time.h> ],
1016                 [ struct timeval tv; tv.tv_sec = 1;],
1017                 [ ac_cv_have_struct_timeval="yes" ],
1018                 [ ac_cv_have_struct_timeval="no" ]
1019         )
1020 ])
1021 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1022         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1023         have_struct_timeval=1
1024 fi
1025
1026 # If we don't have int64_t then we can't compile sftp-server.  So don't
1027 # even attempt to do it.
1028 if test "x$ac_cv_have_int64_t" = "xno" -a \
1029         "x$ac_cv_sizeof_long_int" != "x8" -a \
1030         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1031         NO_SFTP='#'
1032 else
1033 dnl test snprintf (broken on SCO w/gcc)
1034         AC_TRY_RUN(
1035                 [
1036 #include <stdio.h>
1037 #include <string.h>
1038 #ifdef HAVE_SNPRINTF
1039 main()
1040 {
1041         char buf[50];
1042         char expected_out[50];
1043         int mazsize = 50 ;
1044 #if (SIZEOF_LONG_INT == 8)
1045         long int num = 0x7fffffffffffffff;
1046 #else
1047         long long num = 0x7fffffffffffffff;
1048 #endif
1049         strcpy(expected_out, "9223372036854775807");
1050         snprintf(buf, mazsize, "%lld", num);
1051         if(strcmp(buf, expected_out) != 0)
1052                 exit(1);
1053         exit(0);
1054 }
1055 #else
1056 main() { exit(0); }
1057 #endif
1058                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1059         )
1060 fi
1061 AC_SUBST(NO_SFTP)
1062
1063 dnl Checks for structure members
1064 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1065 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1066 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1067 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1068 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1069 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1070 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1071 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1072 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1073 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1074 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1075 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1076 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1077 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1078 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1079 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1080 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1081 AC_STRUCT_ST_BLKSIZE
1082
1083 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
1084                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
1085         AC_TRY_COMPILE(
1086                 [
1087 #include <sys/types.h>
1088 #include <sys/socket.h>
1089                 ],
1090                 [ struct sockaddr_un s; s.sun_len = 1; ],
1091                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
1092                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
1093         )
1094 ])
1095 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
1096         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
1097 fi
1098
1099 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1100                 ac_cv_have_ss_family_in_struct_ss, [
1101         AC_TRY_COMPILE(
1102                 [
1103 #include <sys/types.h>
1104 #include <sys/socket.h>
1105                 ],
1106                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1107                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1108                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1109         )
1110 ])
1111 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1112         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1113 fi
1114
1115 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1116                 ac_cv_have___ss_family_in_struct_ss, [
1117         AC_TRY_COMPILE(
1118                 [
1119 #include <sys/types.h>
1120 #include <sys/socket.h>
1121                 ],
1122                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1123                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1124                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1125         )
1126 ])
1127 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1128         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1129 fi
1130
1131 AC_CACHE_CHECK([for pw_class field in struct passwd],
1132                 ac_cv_have_pw_class_in_struct_passwd, [
1133         AC_TRY_COMPILE(
1134                 [
1135 #include <pwd.h>
1136                 ],
1137                 [ struct passwd p; p.pw_class = 0; ],
1138                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1139                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1140         )
1141 ])
1142 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1143         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1144 fi
1145
1146 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1147                 ac_cv_have_pw_expire_in_struct_passwd, [
1148         AC_TRY_COMPILE(
1149                 [
1150 #include <pwd.h>
1151                 ],
1152                 [ struct passwd p; p.pw_expire = 0; ],
1153                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1154                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1155         )
1156 ])
1157 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1158         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1159 fi
1160
1161 AC_CACHE_CHECK([for pw_change field in struct passwd],
1162                 ac_cv_have_pw_change_in_struct_passwd, [
1163         AC_TRY_COMPILE(
1164                 [
1165 #include <pwd.h>
1166                 ],
1167                 [ struct passwd p; p.pw_change = 0; ],
1168                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1169                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1170         )
1171 ])
1172 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1173         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1174 fi
1175
1176 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1177         AC_TRY_LINK([],
1178                 [ extern char *__progname; printf("%s", __progname); ],
1179                 [ ac_cv_libc_defines___progname="yes" ],
1180                 [ ac_cv_libc_defines___progname="no" ]
1181         )
1182 ])
1183 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1184         AC_DEFINE(HAVE___PROGNAME)
1185 fi
1186
1187
1188 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1189         AC_TRY_LINK([],
1190                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1191                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1192                 [ ac_cv_libc_defines_sys_errlist="no" ]
1193         )
1194 ])
1195 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1196         AC_DEFINE(HAVE_SYS_ERRLIST)
1197 fi
1198
1199
1200 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1201         AC_TRY_LINK([],
1202                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1203                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1204                 [ ac_cv_libc_defines_sys_nerr="no" ]
1205         )
1206 ])
1207 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1208         AC_DEFINE(HAVE_SYS_NERR)
1209 fi
1210
1211
1212 # Check whether user wants Kerberos support
1213 KRB4_MSG="no"
1214 AC_ARG_WITH(kerberos4,
1215         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1216         [
1217                 if test "x$withval" != "xno" ; then
1218
1219                         if test "x$withval" != "xyes" ; then
1220                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1221                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1222                                 if test ! -z "$need_dash_r" ; then
1223                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1224                                 fi
1225                                 if test ! -z "$blibpath" ; then
1226                                         blibpath="$blibpath:${withval}/lib"
1227                                 fi
1228                         else
1229                                 if test -d /usr/include/kerberosIV ; then
1230                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1231                                 fi
1232                         fi
1233
1234                         AC_CHECK_HEADERS(krb.h)
1235                         if test "$ac_cv_header_krb_h" != yes; then
1236                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1237                         fi
1238                         AC_CHECK_LIB(krb, main)
1239                         if test "$ac_cv_lib_krb_main" != yes; then
1240                                 AC_CHECK_LIB(krb4, main)
1241                                 if test "$ac_cv_lib_krb4_main" != yes; then
1242                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1243                                 else
1244                                         KLIBS="-lkrb4"
1245                                 fi
1246                         else
1247                                 KLIBS="-lkrb"
1248                         fi
1249                         AC_CHECK_LIB(des, des_cbc_encrypt)
1250                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1251                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1252                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1253                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1254                                 else
1255                                         KLIBS="-ldes425"
1256                                 fi
1257                         else
1258                                 KLIBS="-ldes"
1259                         fi
1260                         AC_CHECK_LIB(resolv, dn_expand, , )
1261                         KRB4=yes
1262                         KRB4_MSG="yes"
1263                         AC_DEFINE(KRB4)
1264                 fi
1265         ]
1266 )
1267
1268 # Check whether user wants AFS support
1269 AFS_MSG="no"
1270 AC_ARG_WITH(afs,
1271         [  --with-afs=PATH         Enable AFS support],
1272         [
1273                 if test "x$withval" != "xno" ; then
1274
1275                         if test "x$withval" != "xyes" ; then
1276                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1277                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1278                         fi
1279
1280                         if test -z "$KRB4" ; then
1281                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1282                         fi
1283
1284                         LIBS="-lkafs $LIBS"
1285                         if test ! -z "$AFS_LIBS" ; then
1286                                 LIBS="$LIBS $AFS_LIBS"
1287                         fi
1288                         AC_DEFINE(AFS)
1289                         AFS_MSG="yes"
1290                 fi
1291         ]
1292 )
1293 LIBS="$LIBS $KLIBS"
1294
1295 # Looking for programs, paths and files
1296 AC_ARG_WITH(rsh,
1297         [  --with-rsh=PATH         Specify path to remote shell program ],
1298         [
1299                 if test "x$withval" != "$no" ; then
1300                         rsh_path=$withval
1301                 fi
1302         ],
1303         [
1304                 AC_PATH_PROG(rsh_path, rsh)
1305         ]
1306 )
1307
1308 AC_ARG_WITH(xauth,
1309         [  --with-xauth=PATH       Specify path to xauth program ],
1310         [
1311                 if test "x$withval" != "xno" ; then
1312                         xauth_path=$withval
1313                 fi
1314         ],
1315         [
1316                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1317                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1318                         xauth_path="/usr/openwin/bin/xauth"
1319                 fi
1320         ]
1321 )
1322
1323 if test -z "$xauth_path" ; then
1324         XAUTH_PATH="undefined"
1325         AC_SUBST(XAUTH_PATH)
1326 else
1327         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1328         XAUTH_PATH=$xauth_path
1329         AC_SUBST(XAUTH_PATH)
1330 fi
1331 if test ! -z "$rsh_path" ; then
1332         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1333 fi
1334
1335 # Check for mail directory (last resort if we cannot get it from headers)
1336 if test ! -z "$MAIL" ; then
1337         maildir=`dirname $MAIL`
1338         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1339 fi
1340
1341 if test -z "$no_dev_ptmx" ; then
1342         AC_CHECK_FILE("/dev/ptmx",
1343                 [
1344                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1345                         have_dev_ptmx=1
1346                 ]
1347         )
1348 fi
1349 AC_CHECK_FILE("/dev/ptc",
1350         [
1351                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1352                 have_dev_ptc=1
1353         ]
1354 )
1355
1356 # Options from here on. Some of these are preset by platform above
1357
1358 # Check for user-specified random device, otherwise check /dev/urandom
1359 AC_ARG_WITH(random,
1360         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1361         [
1362                 if test "x$withval" != "xno" ; then
1363                         RANDOM_POOL="$withval";
1364                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1365                 fi
1366         ],
1367         [
1368                 # Check for random device
1369                 AC_CHECK_FILE("/dev/urandom",
1370                         [
1371                                 RANDOM_POOL="/dev/urandom";
1372                                 AC_SUBST(RANDOM_POOL)
1373                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1374                         ]
1375                 )
1376         ]
1377 )
1378
1379 # Check for PRNGD/EGD pool file
1380 AC_ARG_WITH(prngd-port,
1381         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1382         [
1383                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1384                         PRNGD_PORT="$withval"
1385                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1386                 fi
1387         ]
1388 )
1389
1390 # Check for PRNGD/EGD pool file
1391 AC_ARG_WITH(prngd-socket,
1392         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1393         [
1394                 if test "x$withval" != "xno" ; then
1395                         PRNGD_SOCKET="$withval"
1396                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1397                 fi
1398         ],
1399         [
1400                 # Check for existing socket only if we don't have a random device already
1401                 if test -z "$RANDOM_POOL" ; then
1402                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1403                         # Insert other locations here
1404                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1405                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1406                                         PRNGD_SOCKET="$sock"
1407                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1408                                         break;
1409                                 fi
1410                         done
1411                         if test ! -z "$PRNGD_SOCKET" ; then
1412                                 AC_MSG_RESULT($PRNGD_SOCKET)
1413                         else
1414                                 AC_MSG_RESULT(not found)
1415                         fi
1416                 fi
1417         ]
1418 )
1419
1420
1421 # detect pathnames for entropy gathering commands, if we need them
1422 INSTALL_SSH_PRNG_CMDS=""
1423 rm -f prng_commands
1424 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1425         # Use these commands to collect entropy
1426         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1427         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1428         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1429         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1430         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1431         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1432         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1433         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1434         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1435         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1436         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1437         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1438         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1439         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1440
1441         INSTALL_SSH_PRNG_CMDS="yes"
1442 fi
1443 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1444
1445
1446 AC_ARG_WITH(mantype,
1447         [  --with-mantype=man|cat|doc  Set man page type],
1448         [
1449                 case "$withval" in
1450                 man|cat|doc)
1451                         MANTYPE=$withval
1452                         ;;
1453                 *)
1454                         AC_MSG_ERROR(invalid man type: $withval)
1455                         ;;
1456                 esac
1457         ]
1458 )
1459 if test -z "$MANTYPE"; then
1460         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1461         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1462                 MANTYPE=doc
1463         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1464                 MANTYPE=man
1465         else
1466                 MANTYPE=cat
1467         fi
1468 fi
1469 AC_SUBST(MANTYPE)
1470 if test "$MANTYPE" = "doc"; then
1471         mansubdir=man;
1472 else
1473         mansubdir=$MANTYPE;
1474 fi
1475 AC_SUBST(mansubdir)
1476
1477 # Check whether to enable MD5 passwords
1478 MD5_MSG="no"
1479 AC_ARG_WITH(md5-passwords,
1480         [  --with-md5-passwords    Enable use of MD5 passwords],
1481         [
1482                 if test "x$withval" != "xno" ; then
1483                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1484                         MD5_MSG="yes"
1485                 fi
1486         ]
1487 )
1488
1489 # Whether to disable shadow password support
1490 AC_ARG_WITH(shadow,
1491         [  --without-shadow        Disable shadow password support],
1492         [
1493                 if test "x$withval" = "xno" ; then
1494                         AC_DEFINE(DISABLE_SHADOW)
1495                         disable_shadow=yes
1496                 fi
1497         ]
1498 )
1499
1500 if test -z "$disable_shadow" ; then
1501         AC_MSG_CHECKING([if the systems has expire shadow information])
1502         AC_TRY_COMPILE(
1503         [
1504 #include <sys/types.h>
1505 #include <shadow.h>
1506         struct spwd sp;
1507         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1508         [ sp_expire_available=yes ], []
1509         )
1510
1511         if test "x$sp_expire_available" = "xyes" ; then
1512                 AC_MSG_RESULT(yes)
1513                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1514         else
1515                 AC_MSG_RESULT(no)
1516         fi
1517 fi
1518
1519 # Use ip address instead of hostname in $DISPLAY
1520 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1521         DISPLAY_HACK_MSG="yes"
1522         AC_DEFINE(IPADDR_IN_DISPLAY)
1523 else
1524         DISPLAY_HACK_MSG="no"
1525         AC_ARG_WITH(ipaddr-display,
1526                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1527                 [
1528                         if test "x$withval" != "xno" ; then
1529                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1530                                 DISPLAY_HACK_MSG="yes"
1531                         fi
1532                 ]
1533         )
1534 fi
1535
1536 # Whether to mess with the default path
1537 SERVER_PATH_MSG="(default)"
1538 AC_ARG_WITH(default-path,
1539         [  --with-default-path=PATH Specify default \$PATH environment for server],
1540         [
1541                 if test "x$withval" != "xno" ; then
1542                         user_path="$withval"
1543                         SERVER_PATH_MSG="$withval"
1544                 fi
1545         ],
1546         [
1547         AC_TRY_RUN(
1548                 [
1549 /* find out what STDPATH is */
1550 #include <stdio.h>
1551 #ifdef HAVE_PATHS_H
1552 # include <paths.h>
1553 #endif
1554 #ifndef _PATH_STDPATH
1555 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1556 #endif
1557 #include <sys/types.h>
1558 #include <sys/stat.h>
1559 #include <fcntl.h>
1560 #define DATA "conftest.stdpath"
1561
1562 main()
1563 {
1564         FILE *fd;
1565         int rc;
1566
1567         fd = fopen(DATA,"w");
1568         if(fd == NULL)
1569                 exit(1);
1570
1571         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1572                 exit(1);
1573
1574         exit(0);
1575 }
1576                 ], [ user_path=`cat conftest.stdpath` ],
1577                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1578                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1579         )
1580 # make sure $bindir is in USER_PATH so scp will work
1581                 t_bindir=`eval echo ${bindir}`
1582                 case $t_bindir in
1583                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1584                 esac
1585                 case $t_bindir in
1586                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1587                 esac
1588                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1589                 if test $? -ne 0  ; then
1590                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1591                         if test $? -ne 0  ; then
1592                                 user_path=$user_path:$t_bindir
1593                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1594                         fi
1595                 fi
1596         ]
1597 )
1598 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1599 AC_SUBST(user_path)
1600
1601 # Whether to force IPv4 by default (needed on broken glibc Linux)
1602 IPV4_HACK_MSG="no"
1603 AC_ARG_WITH(ipv4-default,
1604         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1605         [
1606                 if test "x$withval" != "xno" ; then
1607                         AC_DEFINE(IPV4_DEFAULT)
1608                         IPV4_HACK_MSG="yes"
1609                 fi
1610         ]
1611 )
1612
1613 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1614 IPV4_IN6_HACK_MSG="no"
1615 AC_ARG_WITH(4in6,
1616         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1617         [
1618                 if test "x$withval" != "xno" ; then
1619                         AC_MSG_RESULT(yes)
1620                         AC_DEFINE(IPV4_IN_IPV6)
1621                         IPV4_IN6_HACK_MSG="yes"
1622                 else
1623                         AC_MSG_RESULT(no)
1624                 fi
1625         ],[
1626                 if test "x$inet6_default_4in6" = "xyes"; then
1627                         AC_MSG_RESULT([yes (default)])
1628                         AC_DEFINE(IPV4_IN_IPV6)
1629                         IPV4_IN6_HACK_MSG="yes"
1630                 else
1631                         AC_MSG_RESULT([no (default)])
1632                 fi
1633         ]
1634 )
1635
1636 # Whether to enable BSD auth support
1637 AC_ARG_WITH(bsd-auth,
1638         [  --with-bsd-auth         Enable BSD auth support],
1639         [
1640                 if test "x$withval" != "xno" ; then
1641                         AC_DEFINE(BSD_AUTH)
1642                         bsd_auth=yes
1643                 fi
1644         ]
1645 )
1646
1647 AC_MSG_CHECKING(whether to install ssh as suid root)
1648 AC_ARG_ENABLE(suid-ssh,
1649 [  --enable-suid-ssh       Install ssh as suid root (default)
1650   --disable-suid-ssh      Install ssh without suid bit],
1651 [ case "$enableval" in
1652   no)
1653        AC_MSG_RESULT(no)
1654        SSHMODE=0711
1655        ;;
1656   *)   AC_MSG_RESULT(yes)
1657        SSHMODE=04711
1658        ;;
1659   esac ],
1660   AC_MSG_RESULT(yes)
1661   SSHMODE=04711
1662 )
1663 AC_SUBST(SSHMODE)
1664
1665
1666 # Where to place sshd.pid
1667 piddir=/var/run
1668 AC_ARG_WITH(pid-dir,
1669         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1670         [
1671                 if test "x$withval" != "xno" ; then
1672                         piddir=$withval
1673                 fi
1674         ]
1675 )
1676
1677 # make sure the directory exists
1678 if test ! -d $piddir ; then
1679         piddir=`eval echo ${sysconfdir}`
1680         case $piddir in
1681                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1682         esac
1683 fi
1684
1685 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1686 AC_SUBST(piddir)
1687
1688 dnl allow user to disable some login recording features
1689 AC_ARG_ENABLE(lastlog,
1690         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1691         [ AC_DEFINE(DISABLE_LASTLOG) ]
1692 )
1693 AC_ARG_ENABLE(utmp,
1694         [  --disable-utmp          disable use of utmp even if detected [no]],
1695         [ AC_DEFINE(DISABLE_UTMP) ]
1696 )
1697 AC_ARG_ENABLE(utmpx,
1698         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1699         [ AC_DEFINE(DISABLE_UTMPX) ]
1700 )
1701 AC_ARG_ENABLE(wtmp,
1702         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1703         [ AC_DEFINE(DISABLE_WTMP) ]
1704 )
1705 AC_ARG_ENABLE(wtmpx,
1706         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1707         [ AC_DEFINE(DISABLE_WTMPX) ]
1708 )
1709 AC_ARG_ENABLE(libutil,
1710         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1711         [ AC_DEFINE(DISABLE_LOGIN) ]
1712 )
1713 AC_ARG_ENABLE(pututline,
1714         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1715         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1716 )
1717 AC_ARG_ENABLE(pututxline,
1718         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1719         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1720 )
1721 AC_ARG_WITH(lastlog,
1722   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1723         [
1724                 if test "x$withval" = "xno" ; then
1725                         AC_DEFINE(DISABLE_LASTLOG)
1726                 else
1727                         conf_lastlog_location=$withval
1728                 fi
1729         ]
1730 )
1731
1732 dnl lastlog, [uw]tmpx? detection
1733 dnl  NOTE: set the paths in the platform section to avoid the
1734 dnl   need for command-line parameters
1735 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1736
1737 dnl lastlog detection
1738 dnl  NOTE: the code itself will detect if lastlog is a directory
1739 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1740 AC_TRY_COMPILE([
1741 #include <sys/types.h>
1742 #include <utmp.h>
1743 #ifdef HAVE_LASTLOG_H
1744 #  include <lastlog.h>
1745 #endif
1746 #ifdef HAVE_PATHS_H
1747 #  include <paths.h>
1748 #endif
1749         ],
1750         [ char *lastlog = LASTLOG_FILE; ],
1751         [ AC_MSG_RESULT(yes) ],
1752         [
1753                 AC_MSG_RESULT(no)
1754                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1755                 AC_TRY_COMPILE([
1756 #include <sys/types.h>
1757 #include <utmp.h>
1758 #ifdef HAVE_LASTLOG_H
1759 #  include <lastlog.h>
1760 #endif
1761 #ifdef HAVE_PATHS_H
1762 #  include <paths.h>
1763 #endif
1764                 ],
1765                 [ char *lastlog = _PATH_LASTLOG; ],
1766                 [ AC_MSG_RESULT(yes) ],
1767                 [
1768                         AC_MSG_RESULT(no)
1769                         system_lastlog_path=no
1770                 ])
1771         ]
1772 )
1773
1774 if test -z "$conf_lastlog_location"; then
1775         if test x"$system_lastlog_path" = x"no" ; then
1776                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1777                                 if (test -d "$f" || test -f "$f") ; then
1778                                         conf_lastlog_location=$f
1779                                 fi
1780                 done
1781                 if test -z "$conf_lastlog_location"; then
1782                         AC_MSG_WARN([** Cannot find lastlog **])
1783                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1784                 fi
1785         fi
1786 fi
1787
1788 if test -n "$conf_lastlog_location"; then
1789         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1790 fi
1791
1792 dnl utmp detection
1793 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1794 AC_TRY_COMPILE([
1795 #include <sys/types.h>
1796 #include <utmp.h>
1797 #ifdef HAVE_PATHS_H
1798 #  include <paths.h>
1799 #endif
1800         ],
1801         [ char *utmp = UTMP_FILE; ],
1802         [ AC_MSG_RESULT(yes) ],
1803         [ AC_MSG_RESULT(no)
1804           system_utmp_path=no ]
1805 )
1806 if test -z "$conf_utmp_location"; then
1807         if test x"$system_utmp_path" = x"no" ; then
1808                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1809                         if test -f $f ; then
1810                                 conf_utmp_location=$f
1811                         fi
1812                 done
1813                 if test -z "$conf_utmp_location"; then
1814                         AC_DEFINE(DISABLE_UTMP)
1815                 fi
1816         fi
1817 fi
1818 if test -n "$conf_utmp_location"; then
1819         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1820 fi
1821
1822 dnl wtmp detection
1823 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1824 AC_TRY_COMPILE([
1825 #include <sys/types.h>
1826 #include <utmp.h>
1827 #ifdef HAVE_PATHS_H
1828 #  include <paths.h>
1829 #endif
1830         ],
1831         [ char *wtmp = WTMP_FILE; ],
1832         [ AC_MSG_RESULT(yes) ],
1833         [ AC_MSG_RESULT(no)
1834           system_wtmp_path=no ]
1835 )
1836 if test -z "$conf_wtmp_location"; then
1837         if test x"$system_wtmp_path" = x"no" ; then
1838                 for f in /usr/adm/wtmp /var/log/wtmp; do
1839                         if test -f $f ; then
1840                                 conf_wtmp_location=$f
1841                         fi
1842                 done
1843                 if test -z "$conf_wtmp_location"; then
1844                         AC_DEFINE(DISABLE_WTMP)
1845                 fi
1846         fi
1847 fi
1848 if test -n "$conf_wtmp_location"; then
1849         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1850 fi
1851
1852
1853 dnl utmpx detection - I don't know any system so perverse as to require
1854 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1855 dnl  there, though.
1856 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1857 AC_TRY_COMPILE([
1858 #include <sys/types.h>
1859 #include <utmp.h>
1860 #ifdef HAVE_UTMPX_H
1861 #include <utmpx.h>
1862 #endif
1863 #ifdef HAVE_PATHS_H
1864 #  include <paths.h>
1865 #endif
1866         ],
1867         [ char *utmpx = UTMPX_FILE; ],
1868         [ AC_MSG_RESULT(yes) ],
1869         [ AC_MSG_RESULT(no)
1870           system_utmpx_path=no ]
1871 )
1872 if test -z "$conf_utmpx_location"; then
1873         if test x"$system_utmpx_path" = x"no" ; then
1874                 AC_DEFINE(DISABLE_UTMPX)
1875         fi
1876 else
1877         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1878 fi
1879
1880 dnl wtmpx detection
1881 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1882 AC_TRY_COMPILE([
1883 #include <sys/types.h>
1884 #include <utmp.h>
1885 #ifdef HAVE_UTMPX_H
1886 #include <utmpx.h>
1887 #endif
1888 #ifdef HAVE_PATHS_H
1889 #  include <paths.h>
1890 #endif
1891         ],
1892         [ char *wtmpx = WTMPX_FILE; ],
1893         [ AC_MSG_RESULT(yes) ],
1894         [ AC_MSG_RESULT(no)
1895           system_wtmpx_path=no ]
1896 )
1897 if test -z "$conf_wtmpx_location"; then
1898         if test x"$system_wtmpx_path" = x"no" ; then
1899                 AC_DEFINE(DISABLE_WTMPX)
1900         fi
1901 else
1902         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1903 fi
1904
1905
1906 # Change default command timeout for builtin PRNG
1907 entropy_timeout=200
1908 AC_ARG_WITH(entropy-timeout,
1909         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1910         [
1911                 if test "x$withval" != "xno" ; then
1912                         entropy_timeout=$withval
1913                 fi
1914         ]
1915 )
1916 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1917
1918
1919 if test ! -z "$blibpath" ; then
1920         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1921         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1922 fi
1923
1924 AC_EXEEXT
1925
1926 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1927
1928 # Print summary of options
1929
1930 if test ! -z "$RANDOM_POOL" ; then
1931         RAND_MSG="Device ($RANDOM_POOL)"
1932 else
1933         if test ! -z "$PRNGD_PORT" ; then
1934                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1935         elif test ! -z "$PRNGD_SOCKET" ; then
1936                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1937         else
1938                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1939                 BUILTIN_RNG=1
1940         fi
1941 fi
1942
1943 # Someone please show me a better way :)
1944 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1945 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1946 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1947 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1948 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1949 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1950 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1951 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1952
1953 echo ""
1954 echo "OpenSSH has been configured with the following options:"
1955 echo "                 User binaries: $B"
1956 echo "               System binaries: $C"
1957 echo "           Configuration files: $D"
1958 echo "               Askpass program: $E"
1959 echo "                  Manual pages: $F"
1960 echo "                      PID file: $G"
1961 echo "        sshd default user PATH: $H"
1962 echo "      Random number collection: $RAND_MSG"
1963 echo "                Manpage format: $MANTYPE"
1964 echo "                   PAM support: ${PAM_MSG}"
1965 echo "            KerberosIV support: $KRB4_MSG"
1966 echo "                   AFS support: $AFS_MSG"
1967 echo "                 S/KEY support: $SKEY_MSG"
1968 echo "          TCP Wrappers support: $TCPW_MSG"
1969 echo "          MD5 password support: $MD5_MSG"
1970 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1971 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1972 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1973
1974 if test ! -z "$bsd_auth"; then
1975         echo "              BSD Auth support: yes"
1976 fi
1977
1978 echo ""
1979
1980 echo "              Host: ${host}"
1981 echo "          Compiler: ${CC}"
1982 echo "    Compiler flags: ${CFLAGS}"
1983 echo "Preprocessor flags: ${CPPFLAGS}"
1984 echo "      Linker flags: ${LDFLAGS}"
1985 echo "         Libraries: ${LIBS}"
1986
1987 echo ""
1988
1989 if test "x$PAM_MSG" = "xyes" ; then
1990         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1991         echo "otherwise password authentication may fail. Example PAM control files"
1992         echo "can be found in the contrib/ subdirectory"
1993         echo ""
1994 fi
1995
1996 if test ! -z "$BUILTIN_RNG" ; then
1997         echo "WARNING: you are using the builtin random number collection service."
1998         echo "Please read WARNING.RNG and request that your OS vendor includes"
1999         echo "/dev/random in future versions of their OS."
2000         echo ""
2001 fi
2002
2003 if test ! -z "$NO_SFTP"; then
2004         echo "sftp-server will be disabled.  Your compiler does not support"
2005         echo "64bit integers."
2006         echo ""
2007 fi
2008