configure.in

   1 # $Id$
   2
   3 AC_INIT(ssh.c)
   4
   5 AC_CONFIG_HEADER(config.h)
   6 AC_PROG_CC
   7 AC_CANONICAL_HOST
   8 AC_C_BIGENDIAN
   9
  10 # Checks for programs.
  11 AC_PROG_CPP
  12 AC_PROG_RANLIB
  13 AC_PROG_INSTALL
  14 AC_PATH_PROG(AR, ar)
  15 AC_PATH_PROGS(PERL, perl5 perl)
  16 AC_SUBST(PERL)
  17 AC_PATH_PROG(ENT, ent)
  18 AC_SUBST(ENT)
  19 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  23
  24 if test -z "$AR" ; then
  25         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  26 fi
  27
  28 # Use LOGIN_PROGRAM from environment if possible
  29 if test ! -z "$LOGIN_PROGRAM" ; then
  30         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  31 else
  32         # Search for login
  33         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  34         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  35                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  36         fi
  37 fi
  38
  39 if test -z "$LD" ; then
  40         LD=$CC
  41 fi
  42 AC_SUBST(LD)
  43
  44 # C Compiler features
  45 AC_C_INLINE
  46 if test "$GCC" = "yes"; then
  47         CFLAGS="$CFLAGS -Wall"
  48 fi
  49
  50 # Check for some target-specific stuff
  51 case "$host" in
  52 *-*-aix*)
  53         AFS_LIBS="-lld"
  54         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  55         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  56         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  57                 blibpath="/usr/lib:/lib:/usr/local/lib"
  58         fi
  59         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  60         AC_DEFINE(BROKEN_GETADDRINFO)
  61         dnl AIX handles lastlog as part of its login message
  62         AC_DEFINE(DISABLE_LASTLOG)
  63         ;;
  64 *-*-cygwin*)
  65         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  66         AC_DEFINE(HAVE_CYGWIN)
  67         AC_DEFINE(USE_PIPES)
  68         AC_DEFINE(DISABLE_SHADOW)
  69         AC_DEFINE(IPV4_DEFAULT)
  70         AC_DEFINE(IP_TOS_IS_BROKEN)
  71         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  72         no_libsocket=1
  73         no_libnsl=1
  74         ;;
  75 *-*-dgux*)
  76         AC_DEFINE(IP_TOS_IS_BROKEN)
  77         ;;
  78 *-*-hpux10*)
  79         if test -z "$GCC"; then
  80                 CFLAGS="$CFLAGS -Ae"
  81         fi
  82         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  83         IPADDR_IN_DISPLAY=yes
  84         AC_DEFINE(USE_PIPES)
  85         AC_DEFINE(DISABLE_SHADOW)
  86         AC_DEFINE(DISABLE_UTMP)
  87         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  88         LIBS="$LIBS -lsec"
  89         ;;
  90 *-*-hpux11*)
  91         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  92         IPADDR_IN_DISPLAY=yes
  93         AC_DEFINE(PAM_SUN_CODEBASE)
  94         AC_DEFINE(USE_PIPES)
  95         AC_DEFINE(DISABLE_SHADOW)
  96         AC_DEFINE(DISABLE_UTMP)
  97         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  98         LIBS="$LIBS -lsec"
  99         ;;
 100 *-*-irix5*)
 101         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 102         LDFLAGS="$LDFLAGS"
 103         PATH="$PATH:/usr/etc"
 104         no_libsocket=1
 105         no_libnsl=1
 106         AC_DEFINE(BROKEN_INET_NTOA)
 107         ;;
 108 *-*-irix6*)
 109         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 110         LDFLAGS="$LDFLAGS"
 111         PATH="$PATH:/usr/etc"
 112         AC_DEFINE(WITH_IRIX_ARRAY)
 113         AC_DEFINE(WITH_IRIX_PROJECT)
 114         AC_DEFINE(WITH_IRIX_AUDIT)
 115         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 116         no_libsocket=1
 117         no_libnsl=1
 118         AC_DEFINE(BROKEN_INET_NTOA)
 119         ;;
 120 *-*-linux*)
 121         no_dev_ptmx=1
 122         check_for_libcrypt_later=1
 123         AC_DEFINE(DONT_TRY_OTHER_AF)
 124         AC_DEFINE(PAM_TTY_KLUDGE)
 125         inet6_default_4in6=yes
 126         ;;
 127 mips-sony-bsd|mips-sony-newsos4)
 128         AC_DEFINE(HAVE_NEWS4)
 129         SONY=1
 130         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 131                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 132         )
 133         ;;
 134 *-*-netbsd*)
 135         need_dash_r=1
 136         ;;
 137 *-*-freebsd*)
 138         check_for_libcrypt_later=1
 139         ;;
 140 *-next-*)
 141         conf_lastlog_location="/usr/adm/lastlog"
 142         conf_utmp_location=/etc/utmp
 143         conf_wtmp_location=/usr/adm/wtmp
 144         MAIL=/usr/spool/mail
 145         AC_DEFINE(HAVE_NEXT)
 146         AC_DEFINE(BROKEN_REALPATH)
 147         AC_DEFINE(USE_PIPES)
 148         AC_DEFINE(BROKEN_SAVED_UIDS)
 149         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 150         CFLAGS="$CFLAGS"
 151         ;;
 152 *-*-solaris*)
 153         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 154         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 155         need_dash_r=1
 156         AC_DEFINE(PAM_SUN_CODEBASE)
 157         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 158         AC_DEFINE(LOGIN_NEEDS_TERM)
 159         # hardwire lastlog location (can't detect it on some versions)
 160         conf_lastlog_location="/var/adm/lastlog"
 161         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 162         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 163         if test "$sol2ver" -ge 8; then
 164                 AC_MSG_RESULT(yes)
 165                 AC_DEFINE(DISABLE_UTMP)
 166                 AC_DEFINE(DISABLE_WTMP)
 167         else
 168                 AC_MSG_RESULT(no)
 169         fi
 170         ;;
 171 *-*-sunos4*)
 172         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 173         AC_CHECK_FUNCS(getpwanam)
 174         AC_DEFINE(PAM_SUN_CODEBASE)
 175         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 176         conf_utmp_location=/etc/utmp
 177         conf_wtmp_location=/var/adm/wtmp
 178         conf_lastlog_location=/var/adm/lastlog
 179         AC_DEFINE(USE_PIPES)
 180         ;;
 181 *-ncr-sysv*)
 182         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 183         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 184         LIBS="$LIBS -lc89 -lnsl -lgen -lsocket"
 185         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 186         ;;
 187 *-sni-sysv*)
 188         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 190         IPADDR_IN_DISPLAY=yes
 191         AC_DEFINE(USE_PIPES)
 192         AC_DEFINE(IP_TOS_IS_BROKEN)
 193         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 194         LIBS="$LIBS -lgen -lnsl -lucb"
 195         ;;
 196 *-*-sysv4.2*)
 197         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 198         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 199         enable_suid_ssh=no
 200         AC_DEFINE(USE_PIPES)
 201         ;;
 202 *-*-sysv5*)
 203         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 204         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 205         enable_suid_ssh=no
 206         AC_DEFINE(USE_PIPES)
 207         ;;
 208 *-*-sysv*)
 209         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 210         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 211         LIBS="$LIBS -lgen -lsocket"
 212         ;;
 213 *-*-sco3.2v4*)
 214         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 215         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 216         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 217         rsh_path="/usr/bin/rcmd"
 218         RANLIB=true
 219         no_dev_ptmx=1
 220         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 221         AC_DEFINE(USE_PIPES)
 222         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 223         AC_DEFINE(DISABLE_SHADOW)
 224         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 225         AC_DEFINE(BROKEN_SAVED_UIDS)
 226         AC_CHECK_FUNCS(getluid setluid)
 227         MANTYPE=man
 228         ;;
 229 *-*-sco3.2v5*)
 230         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 231         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 232         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 233         no_dev_ptmx=1
 234         rsh_path="/usr/bin/rcmd"
 235         AC_DEFINE(USE_PIPES)
 236         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 237         AC_DEFINE(DISABLE_SHADOW)
 238         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 239         AC_CHECK_FUNCS(getluid setluid)
 240         MANTYPE=man
 241         ;;
 242 *-dec-osf*)
 243         AC_MSG_CHECKING(for Digital Unix SIA)
 244         no_osfsia=""
 245         AC_ARG_WITH(osfsia,
 246                 [  --with-osfsia           Enable Digital Unix SIA],
 247                 [
 248                         if test "x$withval" = "xno" ; then
 249                                 AC_MSG_RESULT(disabled)
 250                                 no_osfsia=1
 251                         fi
 252                 ],
 253         )
 254         if test -z "$no_osfsia" ; then
 255                 if test -f /etc/sia/matrix.conf; then
 256                         AC_MSG_RESULT(yes)
 257                         AC_DEFINE(HAVE_OSF_SIA)
 258                         AC_DEFINE(DISABLE_LOGIN)
 259                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 260                 else
 261                         AC_MSG_RESULT(no)
 262                 fi
 263         fi
 264         ;;
 265 esac
 266
 267 # Allow user to specify flags
 268 AC_ARG_WITH(cflags,
 269         [  --with-cflags           Specify additional flags to pass to compiler],
 270         [
 271                 if test "x$withval" != "xno" ; then
 272                         CFLAGS="$CFLAGS $withval"
 273                 fi
 274         ]
 275 )
 276 AC_ARG_WITH(cppflags,
 277         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 278         [
 279                 if test "x$withval" != "xno"; then
 280                         CPPFLAGS="$CPPFLAGS $withval"
 281                 fi
 282         ]
 283 )
 284 AC_ARG_WITH(ldflags,
 285         [  --with-ldflags          Specify additional flags to pass to linker],
 286         [
 287                 if test "x$withval" != "xno" ; then
 288                         LDFLAGS="$LDFLAGS $withval"
 289                 fi
 290         ]
 291 )
 292 AC_ARG_WITH(libs,
 293         [  --with-libs             Specify additional libraries to link with],
 294         [
 295                 if test "x$withval" != "xno" ; then
 296                         LIBS="$LIBS $withval"
 297                 fi
 298         ]
 299 )
 300
 301 AC_ARG_WITH(pcre,
 302         [  --with-pcre             Override built in regex library with pcre],
 303         [
 304
 305                 AC_CHECK_LIB(pcre, pcre_info,
 306                         [
 307                                 AC_DEFINE(HAVE_LIBPCRE)
 308                                 LIBS="$LIBS -lpcreposix -lpcre"
 309                                 no_comp_check="yes"
 310                         ],
 311                         [ AC_MSG_ERROR([*** Can not locate pcre libraries.]) ]
 312                 )
 313         ]
 314 )
 315
 316 # Checks for libraries.
 317 if test -z "$no_libnsl" ; then
 318         AC_CHECK_LIB(nsl, yp_match, , )
 319 fi
 320 if test -z "$no_libsocket" ; then
 321         AC_CHECK_LIB(socket, main, , )
 322 fi
 323
 324 dnl SCO OS3 needs this for libwrap
 325 AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 326
 327 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 328 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 329 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 330
 331 # We don't want to check if we did an pcre override.
 332 if test -z "$no_comp_check" ; then
 333         AC_CHECK_FUNC(regcomp,
 334                 [ AC_DEFINE(HAVE_REGCOMP)],
 335                 [
 336                         AC_CHECK_LIB(pcre, pcre_info,
 337                         [
 338                                 AC_DEFINE(HAVE_LIBPCRE)
 339                                 LIBS="$LIBS -lpcreposix -lpcre"
 340                         ],
 341                         [
 342                                 AC_MSG_ERROR([*** No regex library found.])
 343                         ])
 344                 ]
 345         )
 346 fi
 347
 348 dnl UnixWare 2.x
 349 AC_CHECK_FUNC(strcasecmp,
 350         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 351 )
 352 AC_CHECK_FUNC(utimes,
 353         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 354 )
 355
 356 AC_FUNC_STRFTIME
 357
 358 # Checks for header files.
 359 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h getopt.h glob.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h regex.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 360
 361 # Check for ALTDIRFUNC glob() extension
 362 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 363 AC_EGREP_CPP(FOUNDIT,
 364         [
 365                 #include <glob.h>
 366                 #ifdef GLOB_ALTDIRFUNC
 367                 FOUNDIT
 368                 #endif
 369         ],
 370         [
 371                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 372                 AC_MSG_RESULT(yes)
 373         ],
 374         [
 375                 AC_MSG_RESULT(no)
 376         ]
 377 )
 378
 379 # Check for g.gl_matchc glob() extension
 380 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 381 AC_EGREP_CPP(FOUNDIT,
 382         [
 383                 #include <glob.h>
 384                 int main(void){glob_t g; g.gl_matchc = 1;}
 385         ],
 386         [
 387                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 388                 AC_MSG_RESULT(yes)
 389         ],
 390         [
 391                 AC_MSG_RESULT(no)
 392         ]
 393 )
 394
 395 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 396 AC_TRY_RUN(
 397         [
 398 #include <sys/types.h>
 399 #include <dirent.h>
 400 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 401         ],
 402         [AC_MSG_RESULT(yes)],
 403         [
 404                 AC_MSG_RESULT(no)
 405                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 406         ]
 407 )
 408
 409 # Check whether user wants S/Key support
 410 SKEY_MSG="no"
 411 AC_ARG_WITH(skey,
 412         [  --with-skey=PATH         Enable S/Key support],
 413         [
 414                 if test "x$withval" != "xno" ; then
 415
 416                         if test "x$withval" != "xyes" ; then
 417                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 418                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 419                         fi
 420
 421                         AC_DEFINE(SKEY)
 422                         LIBS="-lskey $LIBS"
 423                         SKEY_MSG="yes"
 424
 425                         AC_CHECK_FUNC(skey_keyinfo,
 426                                 [],
 427                                 [
 428                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 429                                 ])
 430                 fi
 431         ]
 432 )
 433
 434 # Check whether user wants TCP wrappers support
 435 TCPW_MSG="no"
 436 AC_ARG_WITH(tcp-wrappers,
 437         [  --with-tcp-wrappers     Enable tcpwrappers support],
 438         [
 439                 if test "x$withval" != "xno" ; then
 440                         saved_LIBS="$LIBS"
 441                         LIBS="-lwrap $LIBS"
 442                         AC_MSG_CHECKING(for libwrap)
 443                         AC_TRY_LINK(
 444                                 [
 445 #include <tcpd.h>
 446                                         int deny_severity = 0, allow_severity = 0;
 447                                 ],
 448                                 [hosts_access(0);],
 449                                 [
 450                                         AC_MSG_RESULT(yes)
 451                                         AC_DEFINE(LIBWRAP)
 452                                         TCPW_MSG="yes"
 453                                 ],
 454                                 [
 455                                         AC_MSG_ERROR([*** libwrap missing])
 456                                 ]
 457                         )
 458                 fi
 459         ]
 460 )
 461
 462 dnl    Checks for library functions.
 463 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent getusershell glob inet_aton inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv setegid seteuid setlogin setproctitle setresgid setreuid setrlimit setsid setvbuf sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 464 dnl    Checks for time functions
 465 AC_CHECK_FUNCS(gettimeofday time)
 466 dnl    Checks for libutil functions
 467 AC_CHECK_HEADERS(libutil.h)
 468 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 469 dnl    Checks for utmp functions
 470 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 471 AC_CHECK_FUNCS(utmpname)
 472 dnl    Checks for utmpx functions
 473 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 474 AC_CHECK_FUNCS(setutxent utmpxname)
 475
 476 AC_CHECK_FUNC(getuserattr,
 477         [AC_DEFINE(HAVE_GETUSERATTR)],
 478         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 479 )
 480
 481 AC_CHECK_FUNC(login,
 482         [AC_DEFINE(HAVE_LOGIN)],
 483         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 484 )
 485
 486 AC_CHECK_FUNC(daemon,
 487         [AC_DEFINE(HAVE_DAEMON)],
 488         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 489 )
 490
 491 AC_CHECK_FUNC(getpagesize,
 492         [AC_DEFINE(HAVE_GETPAGESIZE)],
 493         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 494 )
 495
 496 # Check for broken snprintf
 497 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 498         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 499         AC_TRY_RUN(
 500                 [
 501 #include <stdio.h>
 502 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 503                 ],
 504                 [AC_MSG_RESULT(yes)],
 505                 [
 506                         AC_MSG_RESULT(no)
 507                         AC_DEFINE(BROKEN_SNPRINTF)
 508                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 509                 ]
 510         )
 511 fi
 512
 513 AC_FUNC_GETPGRP
 514
 515 # Check for PAM libs
 516 PAM_MSG="no"
 517 AC_ARG_WITH(pam,
 518         [  --with-pam              Enable PAM support ],
 519         [
 520                 if test "x$withval" != "xno" ; then
 521                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 522                                 AC_MSG_ERROR([PAM headers not found])
 523                         fi
 524
 525                         AC_CHECK_LIB(dl, dlopen, , )
 526                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 527                         AC_CHECK_FUNCS(pam_getenvlist)
 528
 529                         disable_shadow=yes
 530                         PAM_MSG="yes"
 531
 532                         AC_DEFINE(USE_PAM)
 533                 fi
 534         ]
 535 )
 536
 537 # Check for older PAM
 538 if test "x$PAM_MSG" = "xyes" ; then
 539         # Check PAM strerror arguments (old PAM)
 540         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 541         AC_TRY_COMPILE(
 542                 [
 543 #include <stdlib.h>
 544 #include <security/pam_appl.h>
 545                 ],
 546                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 547                 [AC_MSG_RESULT(no)],
 548                 [
 549                         AC_DEFINE(HAVE_OLD_PAM)
 550                         AC_MSG_RESULT(yes)
 551                         PAM_MSG="yes (old library)"
 552                 ]
 553         )
 554 fi
 555
 556 # The big search for OpenSSL
 557 AC_ARG_WITH(ssl-dir,
 558         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 559         [
 560                 if test "x$withval" != "xno" ; then
 561                         tryssldir=$withval
 562                 fi
 563         ]
 564 )
 565
 566 saved_LIBS="$LIBS"
 567 saved_LDFLAGS="$LDFLAGS"
 568 saved_CPPFLAGS="$CPPFLAGS"
 569 if test "x$prefix" != "xNONE" ; then
 570         tryssldir="$tryssldir $prefix"
 571 fi
 572 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 573         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 574                 CPPFLAGS="$saved_CPPFLAGS"
 575                 LDFLAGS="$saved_LDFLAGS"
 576                 LIBS="$saved_LIBS -lcrypto"
 577
 578                 # Skip directories if they don't exist
 579                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 580                         continue;
 581                 fi
 582                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 583                         # Try to use $ssldir/lib if it exists, otherwise
 584                         # $ssldir
 585                         if test -d "$ssldir/lib" ; then
 586                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 587                                 if test ! -z "$need_dash_r" ; then
 588                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 589                                 fi
 590                         else
 591                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 592                                 if test ! -z "$need_dash_r" ; then
 593                                         LDFLAGS="-R$ssldir $LDFLAGS"
 594                                 fi
 595                         fi
 596                         # Try to use $ssldir/include if it exists, otherwise
 597                         # $ssldir
 598                         if test -d "$ssldir/include" ; then
 599                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 600                         else
 601                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 602                         fi
 603                 fi
 604
 605                 # Basic test to check for compatible version and correct linking
 606                 # *does not* test for RSA - that comes later.
 607                 AC_TRY_RUN(
 608                         [
 609 #include <string.h>
 610 #include <openssl/rand.h>
 611 int main(void)
 612 {
 613         char a[2048];
 614         memset(a, 0, sizeof(a));
 615         RAND_add(a, sizeof(a), sizeof(a));
 616         return(RAND_status() <= 0);
 617 }
 618                         ],
 619                         [
 620                                 found_crypto=1
 621                                 break;
 622                         ], []
 623                 )
 624
 625                 if test ! -z "$found_crypto" ; then
 626                         break;
 627                 fi
 628         done
 629
 630         if test -z "$found_crypto" ; then
 631                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 632         fi
 633         if test -z "$ssldir" ; then
 634                 ssldir="(system)"
 635         fi
 636
 637         ac_cv_openssldir=$ssldir
 638 ])
 639
 640 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 641         AC_DEFINE(HAVE_OPENSSL)
 642         dnl Need to recover ssldir - test above runs in subshell
 643         ssldir=$ac_cv_openssldir
 644         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 645                 # Try to use $ssldir/lib if it exists, otherwise
 646                 # $ssldir
 647                 if test -d "$ssldir/lib" ; then
 648                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 649                         if test ! -z "$need_dash_r" ; then
 650                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 651                         fi
 652                 else
 653                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 654                         if test ! -z "$need_dash_r" ; then
 655                                 LDFLAGS="-R$ssldir $LDFLAGS"
 656                         fi
 657                 fi
 658                 # Try to use $ssldir/include if it exists, otherwise
 659                 # $ssldir
 660                 if test -d "$ssldir/include" ; then
 661                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 662                 else
 663                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 664                 fi
 665         fi
 666 fi
 667 LIBS="$saved_LIBS -lcrypto"
 668
 669 # Now test RSA support
 670 saved_LIBS="$LIBS"
 671 AC_MSG_CHECKING([for RSA support])
 672 for WANTS_RSAREF in "" 1 ; do
 673         if test -z "$WANTS_RSAREF" ; then
 674                 LIBS="$saved_LIBS"
 675         else
 676                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 677         fi
 678         AC_TRY_RUN([
 679 #include <string.h>
 680 #include <openssl/rand.h>
 681 #include <openssl/rsa.h>
 682 #include <openssl/bn.h>
 683 #include <openssl/sha.h>
 684 int main(void)
 685 {
 686         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 687         unsigned char c[256], p[256];
 688         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 689         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 690         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 691         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 692 }
 693         ],
 694         [
 695                 rsa_works=1
 696                 break;
 697         ], [])
 698 done
 699
 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 "$WANTS_RSAREF" ; then
 709                         AC_MSG_RESULT(yes)
 710                         RSA_MSG="yes"
 711                 else
 712                         RSA_MSG="yes (using RSAref)"
 713                         AC_MSG_RESULT(using RSAref)
 714                         LIBS="$saved_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
1147 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1148         AC_TRY_LINK([],
1149                 [ extern char *__progname; printf("%s", __progname); ],
1150                 [ ac_cv_libc_defines___progname="yes" ],
1151                 [ ac_cv_libc_defines___progname="no" ]
1152         )
1153 ])
1154 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1155         AC_DEFINE(HAVE___PROGNAME)
1156 fi
1157
1158
1159 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1160         AC_TRY_LINK([],
1161                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1162                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1163                 [ ac_cv_libc_defines_sys_errlist="no" ]
1164         )
1165 ])
1166 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1167         AC_DEFINE(HAVE_SYS_ERRLIST)
1168 fi
1169
1170
1171 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1172         AC_TRY_LINK([],
1173                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1174                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1175                 [ ac_cv_libc_defines_sys_nerr="no" ]
1176         )
1177 ])
1178 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1179         AC_DEFINE(HAVE_SYS_NERR)
1180 fi
1181
1182
1183 # Check whether user wants Kerberos support
1184 KRB4_MSG="no"
1185 AC_ARG_WITH(kerberos4,
1186         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1187         [
1188                 if test "x$withval" != "xno" ; then
1189
1190                         if test "x$withval" != "xyes" ; then
1191                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1192                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1193                                 if test ! -z "$need_dash_r" ; then
1194                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1195                                 fi
1196                                 if test ! -z "$blibpath" ; then
1197                                         blibpath="$blibpath:${withval}/lib"
1198                                 fi
1199                         else
1200                                 if test -d /usr/include/kerberosIV ; then
1201                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1202                                 fi
1203                         fi
1204
1205                         AC_CHECK_HEADERS(krb.h)
1206                         if test "$ac_cv_header_krb_h" != yes; then
1207                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1208                         fi
1209                         AC_CHECK_LIB(krb, main)
1210                         if test "$ac_cv_lib_krb_main" != yes; then
1211                                 AC_CHECK_LIB(krb4, main)
1212                                 if test "$ac_cv_lib_krb4_main" != yes; then
1213                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1214                                 else
1215                                         KLIBS="-lkrb4"
1216                                 fi
1217                         else
1218                                 KLIBS="-lkrb"
1219                         fi
1220                         AC_CHECK_LIB(des, des_cbc_encrypt)
1221                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1222                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1223                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1224                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1225                                 else
1226                                         KLIBS="-ldes425"
1227                                 fi
1228                         else
1229                                 KLIBS="-ldes"
1230                         fi
1231                         AC_CHECK_LIB(resolv, dn_expand, , )
1232                         KRB4=yes
1233                         KRB4_MSG="yes"
1234                         AC_DEFINE(KRB4)
1235                 fi
1236         ]
1237 )
1238
1239 # Check whether user wants AFS support
1240 AFS_MSG="no"
1241 AC_ARG_WITH(afs,
1242         [  --with-afs=PATH         Enable AFS support],
1243         [
1244                 if test "x$withval" != "xno" ; then
1245
1246                         if test "x$withval" != "xyes" ; then
1247                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1248                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1249                         fi
1250
1251                         if test -z "$KRB4" ; then
1252                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1253                         fi
1254
1255                         LIBS="-lkafs $LIBS"
1256                         if test ! -z "$AFS_LIBS" ; then
1257                                 LIBS="$LIBS $AFS_LIBS"
1258                         fi
1259                         AC_DEFINE(AFS)
1260                         AFS_MSG="yes"
1261                 fi
1262         ]
1263 )
1264 LIBS="$LIBS $KLIBS"
1265
1266 # Looking for programs, paths and files
1267 AC_ARG_WITH(rsh,
1268         [  --with-rsh=PATH         Specify path to remote shell program ],
1269         [
1270                 if test "x$withval" != "$no" ; then
1271                         rsh_path=$withval
1272                 fi
1273         ],
1274         [
1275                 AC_PATH_PROG(rsh_path, rsh)
1276         ]
1277 )
1278
1279 AC_ARG_WITH(xauth,
1280         [  --with-xauth=PATH       Specify path to xauth program ],
1281         [
1282                 if test "x$withval" != "xno" ; then
1283                         xauth_path=$withval
1284                 fi
1285         ],
1286         [
1287                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1288                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1289                         xauth_path="/usr/openwin/bin/xauth"
1290                 fi
1291         ]
1292 )
1293
1294 if test -z "$xauth_path" ; then
1295         XAUTH_PATH="undefined"
1296         AC_SUBST(XAUTH_PATH)
1297 else
1298         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1299         XAUTH_PATH=$xauth_path
1300         AC_SUBST(XAUTH_PATH)
1301 fi
1302 if test ! -z "$rsh_path" ; then
1303         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1304 fi
1305
1306 # Check for mail directory (last resort if we cannot get it from headers)
1307 if test ! -z "$MAIL" ; then
1308         maildir=`dirname $MAIL`
1309         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1310 fi
1311
1312 if test -z "$no_dev_ptmx" ; then
1313         AC_CHECK_FILE("/dev/ptmx",
1314                 [
1315                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1316                         have_dev_ptmx=1
1317                 ]
1318         )
1319 fi
1320 AC_CHECK_FILE("/dev/ptc",
1321         [
1322                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1323                 have_dev_ptc=1
1324         ]
1325 )
1326
1327 # Options from here on. Some of these are preset by platform above
1328
1329 # Check for user-specified random device, otherwise check /dev/urandom
1330 AC_ARG_WITH(random,
1331         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1332         [
1333                 if test "x$withval" != "xno" ; then
1334                         RANDOM_POOL="$withval";
1335                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1336                 fi
1337         ],
1338         [
1339                 # Check for random device
1340                 AC_CHECK_FILE("/dev/urandom",
1341                         [
1342                                 RANDOM_POOL="/dev/urandom";
1343                                 AC_SUBST(RANDOM_POOL)
1344                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1345                         ]
1346                 )
1347         ]
1348 )
1349
1350 # Check for PRNGD/EGD pool file
1351 AC_ARG_WITH(prngd-port,
1352         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1353         [
1354                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1355                         PRNGD_PORT="$withval"
1356                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1357                 fi
1358         ]
1359 )
1360
1361 # Check for PRNGD/EGD pool file
1362 AC_ARG_WITH(prngd-socket,
1363         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1364         [
1365                 if test "x$withval" != "xno" ; then
1366                         PRNGD_SOCKET="$withval"
1367                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1368                 fi
1369         ],
1370         [
1371                 # Check for existing socket only if we don't have a random device already
1372                 if test -z "$RANDOM_POOL" ; then
1373                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1374                         # Insert other locations here
1375                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1376                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1377                                         PRNGD_SOCKET="$sock"
1378                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1379                                         break;
1380                                 fi
1381                         done
1382                         if test ! -z "$PRNGD_SOCKET" ; then
1383                                 AC_MSG_RESULT($PRNGD_SOCKET)
1384                         else
1385                                 AC_MSG_RESULT(not found)
1386                         fi
1387                 fi
1388         ]
1389 )
1390
1391
1392 # detect pathnames for entropy gathering commands, if we need them
1393 INSTALL_SSH_PRNG_CMDS=""
1394 rm -f prng_commands
1395 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1396         # Use these commands to collect entropy
1397         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1398         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1399         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1400         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1401         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1402         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1403         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1404         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1405         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1406         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1407         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1408         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1409         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1410         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1411
1412         INSTALL_SSH_PRNG_CMDS="yes"
1413 fi
1414 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1415
1416
1417 AC_ARG_WITH(catman,
1418         [  --with-mantype=man|cat|doc  Set man page type],
1419         [
1420                 case "$withval" in
1421                 man|cat|doc)
1422                         MANTYPE=$withval
1423                         ;;
1424                 *)
1425                         AC_MSG_ERROR(invalid man type: $withval)
1426                         ;;
1427                 esac
1428         ]
1429 )
1430 if test -z "$MANTYPE"; then
1431         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1432         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1433                 MANTYPE=doc
1434         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1435                 MANTYPE=man
1436         else
1437                 MANTYPE=cat
1438         fi
1439 fi
1440 AC_SUBST(MANTYPE)
1441 if test "$MANTYPE" = "doc"; then
1442         mansubdir=man;
1443 else
1444         mansubdir=$MANTYPE;
1445 fi
1446 AC_SUBST(mansubdir)
1447
1448 # Check whether to enable MD5 passwords
1449 MD5_MSG="no"
1450 AC_ARG_WITH(md5-passwords,
1451         [  --with-md5-passwords    Enable use of MD5 passwords],
1452         [
1453                 if test "x$withval" != "xno" ; then
1454                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1455                         MD5_MSG="yes"
1456                 fi
1457         ]
1458 )
1459
1460 # Whether to disable shadow password support
1461 AC_ARG_WITH(shadow,
1462         [  --without-shadow        Disable shadow password support],
1463         [
1464                 if test "x$withval" = "xno" ; then
1465                         AC_DEFINE(DISABLE_SHADOW)
1466                         disable_shadow=yes
1467                 fi
1468         ]
1469 )
1470
1471 if test -z "$disable_shadow" ; then
1472         AC_MSG_CHECKING([if the systems has expire shadow information])
1473         AC_TRY_COMPILE(
1474         [
1475 #include <sys/types.h>
1476 #include <shadow.h>
1477         struct spwd sp;
1478         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1479         [ sp_expire_available=yes ], []
1480         )
1481
1482         if test "x$sp_expire_available" = "xyes" ; then
1483                 AC_MSG_RESULT(yes)
1484                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1485         else
1486                 AC_MSG_RESULT(no)
1487         fi
1488 fi
1489
1490 # Use ip address instead of hostname in $DISPLAY
1491 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1492         DISPLAY_HACK_MSG="yes"
1493         AC_DEFINE(IPADDR_IN_DISPLAY)
1494 else
1495         DISPLAY_HACK_MSG="no"
1496         AC_ARG_WITH(ipaddr-display,
1497                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1498                 [
1499                         if test "x$withval" != "xno" ; then
1500                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1501                                 DISPLAY_HACK_MSG="yes"
1502                         fi
1503                 ]
1504         )
1505 fi
1506
1507 # Whether to mess with the default path
1508 SERVER_PATH_MSG="(default)"
1509 AC_ARG_WITH(default-path,
1510         [  --with-default-path=PATH Specify default \$PATH environment for server],
1511         [
1512                 if test "x$withval" != "xno" ; then
1513                         user_path="$withval"
1514                         SERVER_PATH_MSG="$withval"
1515                 fi
1516         ],
1517         [
1518         AC_TRY_RUN(
1519                 [
1520 /* find out what STDPATH is */
1521 #include <stdio.h>
1522 #ifdef HAVE_PATHS_H
1523 # include <paths.h>
1524 #endif
1525 #ifndef _PATH_STDPATH
1526 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1527 #endif
1528 #include <sys/types.h>
1529 #include <sys/stat.h>
1530 #include <fcntl.h>
1531 #define DATA "conftest.stdpath"
1532
1533 main()
1534 {
1535         FILE *fd;
1536         int rc;
1537
1538         fd = fopen(DATA,"w");
1539         if(fd == NULL)
1540                 exit(1);
1541
1542         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1543                 exit(1);
1544
1545         exit(0);
1546 }
1547                 ], [ user_path=`cat conftest.stdpath` ],
1548                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1549                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1550         )
1551 # make sure $bindir is in USER_PATH so scp will work
1552                 t_bindir=`eval echo ${bindir}`
1553                 case $t_bindir in
1554                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1555                 esac
1556                 case $t_bindir in
1557                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1558                 esac
1559                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1560                 if test $? -ne 0  ; then
1561                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1562                         if test $? -ne 0  ; then
1563                                 user_path=$user_path:$t_bindir
1564                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1565                         fi
1566                 fi
1567         ]
1568 )
1569 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1570 AC_SUBST(user_path)
1571
1572 # Whether to force IPv4 by default (needed on broken glibc Linux)
1573 IPV4_HACK_MSG="no"
1574 AC_ARG_WITH(ipv4-default,
1575         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1576         [
1577                 if test "x$withval" != "xno" ; then
1578                         AC_DEFINE(IPV4_DEFAULT)
1579                         IPV4_HACK_MSG="yes"
1580                 fi
1581         ]
1582 )
1583
1584 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1585 IPV4_IN6_HACK_MSG="no"
1586 AC_ARG_WITH(4in6,
1587         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1588         [
1589                 if test "x$withval" != "xno" ; then
1590                         AC_MSG_RESULT(yes)
1591                         AC_DEFINE(IPV4_IN_IPV6)
1592                         IPV4_IN6_HACK_MSG="yes"
1593                 else
1594                         AC_MSG_RESULT(no)
1595                 fi
1596         ],[
1597                 if test "x$inet6_default_4in6" = "xyes"; then
1598                         AC_MSG_RESULT([yes (default)])
1599                         AC_DEFINE(IPV4_IN_IPV6)
1600                         IPV4_IN6_HACK_MSG="yes"
1601                 else
1602                         AC_MSG_RESULT([no (default)])
1603                 fi
1604         ]
1605 )
1606
1607 # Whether to enable BSD auth support
1608 AC_ARG_WITH(bsd-auth,
1609         [  --with-bsd-auth         Enable BSD auth support],
1610         [
1611                 if test "x$withval" != "xno" ; then
1612                         AC_DEFINE(BSD_AUTH)
1613                         bsd_auth=yes
1614                 fi
1615         ]
1616 )
1617
1618 AC_MSG_CHECKING(whether to install ssh as suid root)
1619 AC_ARG_ENABLE(suid-ssh,
1620 [  --enable-suid-ssh       Install ssh as suid root (default)
1621   --disable-suid-ssh      Install ssh without suid bit],
1622 [ case "$enableval" in
1623   no)
1624        AC_MSG_RESULT(no)
1625        SSHMODE=0711
1626        ;;
1627   *)   AC_MSG_RESULT(yes)
1628        SSHMODE=04711
1629        ;;
1630   esac ],
1631   AC_MSG_RESULT(yes)
1632   SSHMODE=04711
1633 )
1634 AC_SUBST(SSHMODE)
1635
1636
1637 # Where to place sshd.pid
1638 piddir=/var/run
1639 AC_ARG_WITH(pid-dir,
1640         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1641         [
1642                 if test "x$withval" != "xno" ; then
1643                         piddir=$withval
1644                 fi
1645         ]
1646 )
1647
1648 # make sure the directory exists
1649 if test ! -d $piddir ; then
1650         piddir=`eval echo ${sysconfdir}`
1651         case $piddir in
1652                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1653         esac
1654 fi
1655
1656 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1657 AC_SUBST(piddir)
1658
1659 dnl allow user to disable some login recording features
1660 AC_ARG_ENABLE(lastlog,
1661         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1662         [ AC_DEFINE(DISABLE_LASTLOG) ]
1663 )
1664 AC_ARG_ENABLE(utmp,
1665         [  --disable-utmp          disable use of utmp even if detected [no]],
1666         [ AC_DEFINE(DISABLE_UTMP) ]
1667 )
1668 AC_ARG_ENABLE(utmpx,
1669         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1670         [ AC_DEFINE(DISABLE_UTMPX) ]
1671 )
1672 AC_ARG_ENABLE(wtmp,
1673         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1674         [ AC_DEFINE(DISABLE_WTMP) ]
1675 )
1676 AC_ARG_ENABLE(wtmpx,
1677         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1678         [ AC_DEFINE(DISABLE_WTMPX) ]
1679 )
1680 AC_ARG_ENABLE(libutil,
1681         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1682         [ AC_DEFINE(DISABLE_LOGIN) ]
1683 )
1684 AC_ARG_ENABLE(pututline,
1685         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1686         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1687 )
1688 AC_ARG_ENABLE(pututxline,
1689         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1690         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1691 )
1692 AC_ARG_WITH(lastlog,
1693   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1694         [
1695                 if test "x$withval" = "xno" ; then
1696                         AC_DEFINE(DISABLE_LASTLOG)
1697                 else
1698                         conf_lastlog_location=$withval
1699                 fi
1700         ]
1701 )
1702
1703 dnl lastlog, [uw]tmpx? detection
1704 dnl  NOTE: set the paths in the platform section to avoid the
1705 dnl   need for command-line parameters
1706 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1707
1708 dnl lastlog detection
1709 dnl  NOTE: the code itself will detect if lastlog is a directory
1710 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1711 AC_TRY_COMPILE([
1712 #include <sys/types.h>
1713 #include <utmp.h>
1714 #ifdef HAVE_LASTLOG_H
1715 #  include <lastlog.h>
1716 #endif
1717 #ifdef HAVE_PATHS_H
1718 #  include <paths.h>
1719 #endif
1720         ],
1721         [ char *lastlog = LASTLOG_FILE; ],
1722         [ AC_MSG_RESULT(yes) ],
1723         [
1724                 AC_MSG_RESULT(no)
1725                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1726                 AC_TRY_COMPILE([
1727 #include <sys/types.h>
1728 #include <utmp.h>
1729 #ifdef HAVE_LASTLOG_H
1730 #  include <lastlog.h>
1731 #endif
1732 #ifdef HAVE_PATHS_H
1733 #  include <paths.h>
1734 #endif
1735                 ],
1736                 [ char *lastlog = _PATH_LASTLOG; ],
1737                 [ AC_MSG_RESULT(yes) ],
1738                 [
1739                         AC_MSG_RESULT(no)
1740                         system_lastlog_path=no
1741                 ])
1742         ]
1743 )
1744
1745 if test -z "$conf_lastlog_location"; then
1746         if test x"$system_lastlog_path" = x"no" ; then
1747                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1748                                 if (test -d "$f" || test -f "$f") ; then
1749                                         conf_lastlog_location=$f
1750                                 fi
1751                 done
1752                 if test -z "$conf_lastlog_location"; then
1753                         AC_MSG_WARN([** Cannot find lastlog **])
1754                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1755                 fi
1756         fi
1757 fi
1758
1759 if test -n "$conf_lastlog_location"; then
1760         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1761 fi
1762
1763 dnl utmp detection
1764 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1765 AC_TRY_COMPILE([
1766 #include <sys/types.h>
1767 #include <utmp.h>
1768 #ifdef HAVE_PATHS_H
1769 #  include <paths.h>
1770 #endif
1771         ],
1772         [ char *utmp = UTMP_FILE; ],
1773         [ AC_MSG_RESULT(yes) ],
1774         [ AC_MSG_RESULT(no)
1775           system_utmp_path=no ]
1776 )
1777 if test -z "$conf_utmp_location"; then
1778         if test x"$system_utmp_path" = x"no" ; then
1779                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1780                         if test -f $f ; then
1781                                 conf_utmp_location=$f
1782                         fi
1783                 done
1784                 if test -z "$conf_utmp_location"; then
1785                         AC_DEFINE(DISABLE_UTMP)
1786                 fi
1787         fi
1788 fi
1789 if test -n "$conf_utmp_location"; then
1790         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1791 fi
1792
1793 dnl wtmp detection
1794 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1795 AC_TRY_COMPILE([
1796 #include <sys/types.h>
1797 #include <utmp.h>
1798 #ifdef HAVE_PATHS_H
1799 #  include <paths.h>
1800 #endif
1801         ],
1802         [ char *wtmp = WTMP_FILE; ],
1803         [ AC_MSG_RESULT(yes) ],
1804         [ AC_MSG_RESULT(no)
1805           system_wtmp_path=no ]
1806 )
1807 if test -z "$conf_wtmp_location"; then
1808         if test x"$system_wtmp_path" = x"no" ; then
1809                 for f in /usr/adm/wtmp /var/log/wtmp; do
1810                         if test -f $f ; then
1811                                 conf_wtmp_location=$f
1812                         fi
1813                 done
1814                 if test -z "$conf_wtmp_location"; then
1815                         AC_DEFINE(DISABLE_WTMP)
1816                 fi
1817         fi
1818 fi
1819 if test -n "$conf_wtmp_location"; then
1820         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1821 fi
1822
1823
1824 dnl utmpx detection - I don't know any system so perverse as to require
1825 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1826 dnl  there, though.
1827 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1828 AC_TRY_COMPILE([
1829 #include <sys/types.h>
1830 #include <utmp.h>
1831 #ifdef HAVE_UTMPX_H
1832 #include <utmpx.h>
1833 #endif
1834 #ifdef HAVE_PATHS_H
1835 #  include <paths.h>
1836 #endif
1837         ],
1838         [ char *utmpx = UTMPX_FILE; ],
1839         [ AC_MSG_RESULT(yes) ],
1840         [ AC_MSG_RESULT(no)
1841           system_utmpx_path=no ]
1842 )
1843 if test -z "$conf_utmpx_location"; then
1844         if test x"$system_utmpx_path" = x"no" ; then
1845                 AC_DEFINE(DISABLE_UTMPX)
1846         fi
1847 else
1848         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1849 fi
1850
1851 dnl wtmpx detection
1852 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1853 AC_TRY_COMPILE([
1854 #include <sys/types.h>
1855 #include <utmp.h>
1856 #ifdef HAVE_UTMPX_H
1857 #include <utmpx.h>
1858 #endif
1859 #ifdef HAVE_PATHS_H
1860 #  include <paths.h>
1861 #endif
1862         ],
1863         [ char *wtmpx = WTMPX_FILE; ],
1864         [ AC_MSG_RESULT(yes) ],
1865         [ AC_MSG_RESULT(no)
1866           system_wtmpx_path=no ]
1867 )
1868 if test -z "$conf_wtmpx_location"; then
1869         if test x"$system_wtmpx_path" = x"no" ; then
1870                 AC_DEFINE(DISABLE_WTMPX)
1871         fi
1872 else
1873         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1874 fi
1875
1876
1877 # Change default command timeout for builtin PRNG
1878 entropy_timeout=200
1879 AC_ARG_WITH(entropy-timeout,
1880         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1881         [
1882                 if test "x$withval" != "xno" ; then
1883                         entropy_timeout=$withval
1884                 fi
1885         ]
1886 )
1887 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1888
1889
1890 if test ! -z "$blibpath" ; then
1891         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1892         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1893 fi
1894
1895 AC_EXEEXT
1896
1897 AC_OUTPUT(Makefile openbsd-compat/Makefile ssh_prng_cmds)
1898
1899 # Print summary of options
1900
1901 if test ! -z "$RANDOM_POOL" ; then
1902         RAND_MSG="Device ($RANDOM_POOL)"
1903 else
1904         if test ! -z "$PRNGD_PORT" ; then
1905                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
1906         elif test ! -z "$PRNGD_SOCKET" ; then
1907                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
1908         else
1909                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1910                 BUILTIN_RNG=1
1911         fi
1912 fi
1913
1914 # Someone please show me a better way :)
1915 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1916 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1917 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1918 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1919 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1920 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1921 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1922 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
1923
1924 echo ""
1925 echo "OpenSSH has been configured with the following options:"
1926 echo "                 User binaries: $B"
1927 echo "               System binaries: $C"
1928 echo "           Configuration files: $D"
1929 echo "               Askpass program: $E"
1930 echo "                  Manual pages: $F"
1931 echo "                      PID file: $G"
1932 echo "        sshd default user PATH: $H"
1933 echo "      Random number collection: $RAND_MSG"
1934 echo "                Manpage format: $MANTYPE"
1935 echo "                   PAM support: ${PAM_MSG}"
1936 echo "            KerberosIV support: $KRB4_MSG"
1937 echo "                   AFS support: $AFS_MSG"
1938 echo "                 S/KEY support: $SKEY_MSG"
1939 echo "          TCP Wrappers support: $TCPW_MSG"
1940 echo "          MD5 password support: $MD5_MSG"
1941 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1942 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1943 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1944
1945 if test ! -z "$bsd_auth"; then
1946         echo "              BSD Auth support: yes"
1947 fi
1948
1949 echo ""
1950
1951 echo "              Host: ${host}"
1952 echo "          Compiler: ${CC}"
1953 echo "    Compiler flags: ${CFLAGS}"
1954 echo "Preprocessor flags: ${CPPFLAGS}"
1955 echo "      Linker flags: ${LDFLAGS}"
1956 echo "         Libraries: ${LIBS}"
1957
1958 echo ""
1959
1960 if test "x$PAM_MSG" = "xyes" ; then
1961         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1962         echo "otherwise password authentication may fail. Example PAM control files"
1963         echo "can be found in the contrib/ subdirectory"
1964         echo ""
1965 fi
1966
1967 if test ! -z "$BUILTIN_RNG" ; then
1968         echo "WARNING: you are using the builtin random number collection service."
1969         echo "Please read WARNING.RNG and request that your OS vendor includes"
1970         echo "/dev/random in future versions of their OS."
1971         echo ""
1972 fi
1973
1974 if test ! -z "$NO_SFTP"; then
1975         echo "sftp-server will be disabled.  Your compiler does not support"
1976         echo "64bit integers."
1977         echo ""
1978 fi
1979