# $Id: configure.ac,v 1.307 2005/11/12 07:42:37 dtucker Exp $ # # Copyright (c) 1999-2004 Damien Miller # # Permission to use, copy, modify, and distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org) AC_CONFIG_SRCDIR([ssh.c]) AC_CONFIG_HEADER(config.h) AC_PROG_CC AC_CANONICAL_HOST AC_C_BIGENDIAN # Checks for programs. AC_PROG_AWK AC_PROG_CPP AC_PROG_RANLIB AC_PROG_INSTALL AC_PATH_PROG(AR, ar) AC_PATH_PROG(CAT, cat) AC_PATH_PROG(KILL, kill) AC_PATH_PROGS(PERL, perl5 perl) AC_PATH_PROG(SED, sed) AC_SUBST(PERL) AC_PATH_PROG(ENT, ent) AC_SUBST(ENT) AC_PATH_PROG(TEST_MINUS_S_SH, bash) AC_PATH_PROG(TEST_MINUS_S_SH, ksh) AC_PATH_PROG(TEST_MINUS_S_SH, sh) AC_PATH_PROG(SH, sh) AC_SUBST(TEST_SHELL,sh) dnl for buildpkg.sh AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd, [/usr/sbin${PATH_SEPARATOR}/etc]) AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd, [/usr/sbin${PATH_SEPARATOR}/etc]) AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no) # System features AC_SYS_LARGEFILE if test -z "$AR" ; then AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***]) fi # Use LOGIN_PROGRAM from environment if possible if test ! -z "$LOGIN_PROGRAM" ; then AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM", [If your header files don't define LOGIN_PROGRAM, then use this (detected) from environment and PATH]) else # Search for login AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login) if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK") fi fi AC_PATH_PROG(PATH_PASSWD_PROG, passwd) if test ! -z "$PATH_PASSWD_PROG" ; then AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG", [Full path of your "passwd" program]) fi if test -z "$LD" ; then LD=$CC fi AC_SUBST(LD) AC_C_INLINE AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include ]) if test "$GCC" = "yes" || test "$GCC" = "egcs"; then CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized" GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'` case $GCC_VER in 1.*) ;; 2.8* | 2.9*) CFLAGS="$CFLAGS -Wsign-compare" ;; 2.*) ;; 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;; 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;; *) ;; esac if test -z "$have_llong_max"; then # retry LLONG_MAX with -std=gnu99, needed on some Linuxes unset ac_cv_have_decl_LLONG_MAX saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -std=gnu99" AC_CHECK_DECL(LLONG_MAX, [have_llong_max=1], [CFLAGS="$saved_CFLAGS"], [#include ] ) fi fi AC_ARG_WITH(rpath, [ --without-rpath Disable auto-added -R linker paths], [ if test "x$withval" = "xno" ; then need_dash_r="" fi if test "x$withval" = "xyes" ; then need_dash_r=1 fi ] ) # Check for some target-specific stuff case "$host" in *-*-aix*) AC_MSG_CHECKING([how to specify blibpath for linker ($LD)]) if (test -z "$blibpath"); then blibpath="/usr/lib:/lib" fi saved_LDFLAGS="$LDFLAGS" for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do if (test -z "$blibflags"); then LDFLAGS="$saved_LDFLAGS $tryflags$blibpath" AC_TRY_LINK([], [], [blibflags=$tryflags]) fi done if (test -z "$blibflags"); then AC_MSG_RESULT(not found) AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log]) else AC_MSG_RESULT($blibflags) fi LDFLAGS="$saved_LDFLAGS" dnl Check for authenticate. Might be in libs.a on older AIXes AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1, [Define if you want to enable AIX4's authenticate function])], [AC_CHECK_LIB(s,authenticate, [ AC_DEFINE(WITH_AIXAUTHENTICATE) LIBS="$LIBS -ls" ]) ]) dnl Check for various auth function declarations in headers. AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess, passwdexpired, setauthdb], , , [#include ]) dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2) AC_CHECK_DECLS(loginfailed, [AC_MSG_CHECKING(if loginfailed takes 4 arguments) AC_TRY_COMPILE( [#include ], [(void)loginfailed("user","host","tty",0);], [AC_MSG_RESULT(yes) AC_DEFINE(AIX_LOGINFAILED_4ARG, 1, [Define if your AIX loginfailed() function takes 4 arguments (AIX >= 5.2)])], [AC_MSG_RESULT(no)] )], [], [#include ] ) AC_CHECK_FUNCS(setauthdb) check_for_aix_broken_getaddrinfo=1 AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.]) AC_DEFINE(SETEUID_BREAKS_SETUID, 1, [Define if your platform breaks doing a seteuid before a setuid]) AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken]) AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken]) dnl AIX handles lastlog as part of its login message AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog]) AC_DEFINE(LOGIN_NEEDS_UTMPX, 1, [Some systems need a utmpx entry for /bin/login to work]) AC_DEFINE(SPT_TYPE,SPT_REUSEARGV, [Define to a Set Process Title type if your system is supported by bsd-setproctitle.c]) ;; *-*-cygwin*) check_for_libcrypt_later=1 LIBS="$LIBS /usr/lib/textmode.o" AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin]) AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()]) AC_DEFINE(DISABLE_SHADOW, 1, [Define if you want to disable shadow passwords]) AC_DEFINE(IP_TOS_IS_BROKEN, 1, [Define if your system choked on IP TOS setting]) AC_DEFINE(NO_X11_UNIX_SOCKETS, 1, [Define if X11 doesn't support AF_UNIX sockets on that system]) AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1, [Define if the concept of ports only accessible to superusers isn't known]) AC_DEFINE(DISABLE_FD_PASSING, 1, [Define if your platform needs to skip post auth file descriptor passing]) ;; *-*-dgux*) AC_DEFINE(IP_TOS_IS_BROKEN) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) ;; *-*-darwin*) AC_MSG_CHECKING(if we have working getaddrinfo) AC_TRY_RUN([#include main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) exit(0); else exit(1); }], [AC_MSG_RESULT(working)], [AC_MSG_RESULT(buggy) AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])], [AC_MSG_RESULT(assume it is working)]) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1, [Define if your resolver libs need this for getrrsetbyname]) ;; *-*-hpux*) # first we define all of the options common to all HP-UX releases CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1" IPADDR_IN_DISPLAY=yes AC_DEFINE(USE_PIPES) AC_DEFINE(LOGIN_NO_ENDOPT, 1, [Define if your login program cannot handle end of options ("--")]) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(LOCKED_PASSWD_STRING, "*", [String used in /etc/passwd to denote locked account]) AC_DEFINE(SPT_TYPE,SPT_PSTAT) MAIL="/var/mail/username" LIBS="$LIBS -lsec" AC_CHECK_LIB(xnet, t_error, , AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])) # next, we define all of the options specific to major releases case "$host" in *-*-hpux10*) if test -z "$GCC"; then CFLAGS="$CFLAGS -Ae" fi ;; *-*-hpux11*) AC_DEFINE(PAM_SUN_CODEBASE, 1, [Define if you are using Solaris-derived PAM which passes pam_messages to the conversation function with an extra level of indirection]) AC_DEFINE(DISABLE_UTMP, 1, [Define if you don't want to use utmp]) AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins]) check_for_hpux_broken_getaddrinfo=1 check_for_conflicting_getspnam=1 ;; esac # lastly, we define options specific to minor releases case "$host" in *-*-hpux10.26) AC_DEFINE(HAVE_SECUREWARE, 1, [Define if you have SecureWare-based protected password database]) disable_ptmx_check=yes LIBS="$LIBS -lsecpw" ;; esac ;; *-*-irix5*) PATH="$PATH:/usr/etc" AC_DEFINE(BROKEN_INET_NTOA, 1, [Define if you system's inet_ntoa is busted (e.g. Irix gcc issue)]) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(WITH_ABBREV_NO_TTY, 1, [Define if you shouldn't strip 'tty' from your ttyname in [uw]tmp]) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*") ;; *-*-irix6*) PATH="$PATH:/usr/etc" AC_DEFINE(WITH_IRIX_ARRAY, 1, [Define if you have/want arrays (cluster-wide session managment, not C arrays)]) AC_DEFINE(WITH_IRIX_PROJECT, 1, [Define if you want IRIX project management]) AC_DEFINE(WITH_IRIX_AUDIT, 1, [Define if you want IRIX audit trails]) AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1, [Define if you want IRIX kernel jobs])]) AC_DEFINE(BROKEN_INET_NTOA) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)]) AC_DEFINE(WITH_ABBREV_NO_TTY) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*") ;; *-*-linux*) no_dev_ptmx=1 check_for_libcrypt_later=1 check_for_openpty_ctty_bug=1 AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks]) AC_DEFINE(PAM_TTY_KLUDGE, 1, [Work around problematic Linux PAM modules handling of PAM_TTY]) AC_DEFINE(LOCKED_PASSWD_PREFIX, "!", [String used in /etc/passwd to denote locked account]) AC_DEFINE(SPT_TYPE,SPT_REUSEARGV) AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM, [Define to whatever link() returns for "not supported" if it doesn't return EOPNOTSUPP.]) AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts]) AC_DEFINE(USE_BTMP) inet6_default_4in6=yes case `uname -r` in 1.*|2.0.*) AC_DEFINE(BROKEN_CMSG_TYPE, 1, [Define if cmsg_type is not passed correctly]) ;; esac ;; mips-sony-bsd|mips-sony-newsos4) AC_DEFINE(NEED_SETPRGP, 1, [Need setpgrp to acquire controlling tty]) SONY=1 ;; *-*-netbsd*) check_for_libcrypt_before=1 if test "x$withval" != "xno" ; then need_dash_r=1 fi ;; *-*-freebsd*) check_for_libcrypt_later=1 AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)]) ;; *-*-bsdi*) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) ;; *-next-*) conf_lastlog_location="/usr/adm/lastlog" conf_utmp_location=/etc/utmp conf_wtmp_location=/usr/adm/wtmp MAIL=/usr/spool/mail AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT]) AC_DEFINE(BROKEN_REALPATH) AC_DEFINE(USE_PIPES) AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT]) ;; *-*-openbsd*) AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel]) AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded]) ;; *-*-solaris*) if test "x$withval" != "xno" ; then need_dash_r=1 fi AC_DEFINE(PAM_SUN_CODEBASE) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(LOGIN_NEEDS_TERM, 1, [Some versions of /bin/login need the TERM supplied on the commandline]) AC_DEFINE(PAM_TTY_KLUDGE) AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1, [Define if pam_chauthtok wants real uid set to the unpriv'ed user]) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*") # Pushing STREAMS modules will cause sshd to acquire a controlling tty. AC_DEFINE(SSHD_ACQUIRES_CTTY, 1, [Define if sshd somehow reacquires a controlling TTY after setsid()]) external_path_file=/etc/default/login # hardwire lastlog location (can't detect it on some versions) conf_lastlog_location="/var/adm/lastlog" AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x) sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'` if test "$sol2ver" -ge 8; then AC_MSG_RESULT(yes) AC_DEFINE(DISABLE_UTMP) AC_DEFINE(DISABLE_WTMP, 1, [Define if you don't want to use wtmp]) else AC_MSG_RESULT(no) fi ;; *-*-sunos4*) CPPFLAGS="$CPPFLAGS -DSUNOS4" AC_CHECK_FUNCS(getpwanam) AC_DEFINE(PAM_SUN_CODEBASE) conf_utmp_location=/etc/utmp conf_wtmp_location=/var/adm/wtmp conf_lastlog_location=/var/adm/lastlog AC_DEFINE(USE_PIPES) ;; *-ncr-sysv*) LIBS="$LIBS -lc89" AC_DEFINE(USE_PIPES) AC_DEFINE(SSHD_ACQUIRES_CTTY) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) ;; *-sni-sysv*) # /usr/ucblib MUST NOT be searched on ReliantUNIX AC_CHECK_LIB(dl, dlsym, ,) # -lresolv needs to be at then end of LIBS or DNS lookups break AC_CHECK_LIB(res_query, resolv, [ LIBS="$LIBS -lresolv" ]) IPADDR_IN_DISPLAY=yes AC_DEFINE(USE_PIPES) AC_DEFINE(IP_TOS_IS_BROKEN) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(SSHD_ACQUIRES_CTTY) external_path_file=/etc/default/login # /usr/ucblib/libucb.a no longer needed on ReliantUNIX # Attention: always take care to bind libsocket and libnsl before libc, # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog ;; # UnixWare 1.x, UnixWare 2.x, and others based on code from Univel. *-*-sysv4.2*) AC_DEFINE(USE_PIPES) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd]) ;; # UnixWare 7.x, OpenUNIX 8 *-*-sysv5*) check_for_libcrypt_later=1 AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars]) AC_DEFINE(USE_PIPES) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(PASSWD_NEEDS_USERNAME) case "$host" in *-*-sysv5SCO_SV*) # SCO OpenServer 6.x TEST_SHELL=/u95/bin/sh AC_DEFINE(BROKEN_LIBIAF, 1, [ia_uinfo routines not supported by OS yet]) ;; esac ;; *-*-sysv*) ;; # SCO UNIX and OEM versions of SCO UNIX *-*-sco3.2v4*) AC_MSG_ERROR("This Platform is no longer supported.") ;; # SCO OpenServer 5.x *-*-sco3.2v5*) if test -z "$GCC"; then CFLAGS="$CFLAGS -belf" fi LIBS="$LIBS -lprot -lx -ltinfo -lm" no_dev_ptmx=1 AC_DEFINE(USE_PIPES) AC_DEFINE(HAVE_SECUREWARE) AC_DEFINE(DISABLE_SHADOW) AC_DEFINE(DISABLE_FD_PASSING) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(WITH_ABBREV_NO_TTY) AC_DEFINE(BROKEN_UPDWTMPX) AC_DEFINE(PASSWD_NEEDS_USERNAME) AC_CHECK_FUNCS(getluid setluid) MANTYPE=man TEST_SHELL=ksh ;; *-*-unicosmk*) AC_DEFINE(NO_SSH_LASTLOG, 1, [Define if you don't want to use lastlog in session.c]) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(USE_PIPES) AC_DEFINE(DISABLE_FD_PASSING) LDFLAGS="$LDFLAGS" LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm" MANTYPE=cat ;; *-*-unicosmp*) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(WITH_ABBREV_NO_TTY) AC_DEFINE(USE_PIPES) AC_DEFINE(DISABLE_FD_PASSING) LDFLAGS="$LDFLAGS" LIBS="$LIBS -lgen -lacid -ldb" MANTYPE=cat ;; *-*-unicos*) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) AC_DEFINE(USE_PIPES) AC_DEFINE(DISABLE_FD_PASSING) AC_DEFINE(NO_SSH_LASTLOG) LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal" LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm" MANTYPE=cat ;; *-dec-osf*) AC_MSG_CHECKING(for Digital Unix SIA) no_osfsia="" AC_ARG_WITH(osfsia, [ --with-osfsia Enable Digital Unix SIA], [ if test "x$withval" = "xno" ; then AC_MSG_RESULT(disabled) no_osfsia=1 fi ], ) if test -z "$no_osfsia" ; then if test -f /etc/sia/matrix.conf; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_OSF_SIA, 1, [Define if you have Digital Unix Security Integration Architecture]) AC_DEFINE(DISABLE_LOGIN, 1, [Define if you don't want to use your system's login() call]) AC_DEFINE(DISABLE_FD_PASSING) LIBS="$LIBS -lsecurity -ldb -lm -laud" else AC_MSG_RESULT(no) AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin", [String used in /etc/passwd to denote locked account]) fi fi AC_DEFINE(BROKEN_GETADDRINFO) AC_DEFINE(SETEUID_BREAKS_SETUID) AC_DEFINE(BROKEN_SETREUID) AC_DEFINE(BROKEN_SETREGID) ;; *-*-nto-qnx) AC_DEFINE(USE_PIPES) AC_DEFINE(NO_X11_UNIX_SOCKETS) AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems]) AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems]) AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems]) ;; *-*-ultrix*) AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1]) AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files]) AC_DEFINE(NEED_SETPRGP) AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix]) ;; *-*-lynxos) CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__" AC_DEFINE(MISSING_HOWMANY) AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation]) ;; esac # Allow user to specify flags AC_ARG_WITH(cflags, [ --with-cflags Specify additional flags to pass to compiler], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then CFLAGS="$CFLAGS $withval" fi ] ) AC_ARG_WITH(cppflags, [ --with-cppflags Specify additional flags to pass to preprocessor] , [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then CPPFLAGS="$CPPFLAGS $withval" fi ] ) AC_ARG_WITH(ldflags, [ --with-ldflags Specify additional flags to pass to linker], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then LDFLAGS="$LDFLAGS $withval" fi ] ) AC_ARG_WITH(libs, [ --with-libs Specify additional libraries to link with], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then LIBS="$LIBS $withval" fi ] ) AC_ARG_WITH(Werror, [ --with-Werror Build main code with -Werror], [ if test -n "$withval" && test "x$withval" != "xno"; then werror_flags="-Werror" if test "x${withval}" != "xyes"; then werror_flags="$withval" fi fi ] ) AC_MSG_CHECKING(compiler and flags for sanity) AC_RUN_IFELSE( [AC_LANG_SOURCE([ #include int main(){exit(0);} ])], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***]) ], [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ] ) dnl Checks for header files. AC_CHECK_HEADERS( \ bstring.h \ crypt.h \ dirent.h \ endian.h \ features.h \ floatingpoint.h \ getopt.h \ glob.h \ ia.h \ iaf.h \ lastlog.h \ limits.h \ login.h \ login_cap.h \ maillock.h \ ndir.h \ netdb.h \ netgroup.h \ netinet/in_systm.h \ pam/pam_appl.h \ paths.h \ pty.h \ readpassphrase.h \ rpc/types.h \ security/pam_appl.h \ shadow.h \ stddef.h \ stdint.h \ string.h \ strings.h \ sys/audit.h \ sys/bitypes.h \ sys/bsdtty.h \ sys/cdefs.h \ sys/dir.h \ sys/mman.h \ sys/ndir.h \ sys/prctl.h \ sys/pstat.h \ sys/select.h \ sys/stat.h \ sys/stream.h \ sys/stropts.h \ sys/strtio.h \ sys/sysmacros.h \ sys/time.h \ sys/timers.h \ sys/un.h \ time.h \ tmpdir.h \ ttyent.h \ unistd.h \ usersec.h \ util.h \ utime.h \ utmp.h \ utmpx.h \ vis.h \ ) # sys/ptms.h requires sys/stream.h to be included first on Solaris AC_CHECK_HEADERS(sys/ptms.h, [], [], [ #ifdef HAVE_SYS_STREAM_H # include #endif ]) # Checks for libraries. AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match)) AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt)) dnl IRIX and Solaris 2.5.1 have dirname() in libgen AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[ AC_CHECK_LIB(gen, dirname,[ AC_CACHE_CHECK([for broken dirname], ac_cv_have_broken_dirname, [ save_LIBS="$LIBS" LIBS="$LIBS -lgen" AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(int argc, char **argv) { char *s, buf[32]; strncpy(buf,"/etc", 32); s = dirname(buf); if (!s || strncmp(s, "/", 32) != 0) { exit(1); } else { exit(0); } } ]])], [ ac_cv_have_broken_dirname="no" ], [ ac_cv_have_broken_dirname="yes" ], [ ac_cv_have_broken_dirname="no" ], ) LIBS="$save_LIBS" ]) if test "x$ac_cv_have_broken_dirname" = "xno" ; then LIBS="$LIBS -lgen" AC_DEFINE(HAVE_DIRNAME) AC_CHECK_HEADERS(libgen.h) fi ]) ]) AC_CHECK_FUNC(getspnam, , AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")) AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1, [Define if you have the basename function.])) dnl zlib is required AC_ARG_WITH(zlib, [ --with-zlib=PATH Use zlib in PATH], [ if test "x$withval" = "xno" ; then AC_MSG_ERROR([*** zlib is required ***]) elif test "x$withval" != "xyes"; then if test -d "$withval/lib"; then if test -n "${need_dash_r}"; then LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" else LDFLAGS="-L${withval}/lib ${LDFLAGS}" fi else if test -n "${need_dash_r}"; then LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" else LDFLAGS="-L${withval} ${LDFLAGS}" fi fi if test -d "$withval/include"; then CPPFLAGS="-I${withval}/include ${CPPFLAGS}" else CPPFLAGS="-I${withval} ${CPPFLAGS}" fi fi ] ) AC_CHECK_LIB(z, deflate, , [ saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" save_LIBS="$LIBS" dnl Check default zlib install dir if test -n "${need_dash_r}"; then LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}" else LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}" fi CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}" LIBS="$LIBS -lz" AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ), [ AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]) ] ) ] ) AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***])) AC_ARG_WITH(zlib-version-check, [ --without-zlib-version-check Disable zlib version check], [ if test "x$withval" = "xno" ; then zlib_check_nonfatal=1 fi ] ) AC_MSG_CHECKING(for possibly buggy zlib) AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main() { int a=0, b=0, c=0, d=0, n, v; n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d); if (n != 3 && n != 4) exit(1); v = a*1000000 + b*10000 + c*100 + d; fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v); /* 1.1.4 is OK */ if (a == 1 && b == 1 && c >= 4) exit(0); /* 1.2.3 and up are OK */ if (v >= 1020300) exit(0); exit(2); } ]])], AC_MSG_RESULT(no), [ AC_MSG_RESULT(yes) if test -z "$zlib_check_nonfatal" ; then AC_MSG_ERROR([*** zlib too old - check config.log *** Your reported zlib version has known security problems. It's possible your vendor has fixed these problems without changing the version number. If you are sure this is the case, you can disable the check by running "./configure --without-zlib-version-check". If you are in doubt, upgrade zlib to version 1.2.3 or greater. See http://www.gzip.org/zlib/ for details.]) else AC_MSG_WARN([zlib version may have security problems]) fi ], [ AC_MSG_WARN([cross compiling: not checking zlib version]) ] ) dnl UnixWare 2.x AC_CHECK_FUNC(strcasecmp, [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ] ) AC_CHECK_FUNCS(utimes, [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES) LIBS="$LIBS -lc89"]) ] ) dnl Checks for libutil functions AC_CHECK_HEADERS(libutil.h) AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1, [Define if your libraries define login()])]) AC_CHECK_FUNCS(logout updwtmp logwtmp) AC_FUNC_STRFTIME # Check for ALTDIRFUNC glob() extension AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support) AC_EGREP_CPP(FOUNDIT, [ #include #ifdef GLOB_ALTDIRFUNC FOUNDIT #endif ], [ AC_DEFINE(GLOB_HAS_ALTDIRFUNC, 1, [Define if your system glob() function has the GLOB_ALTDIRFUNC extension]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) # Check for g.gl_matchc glob() extension AC_MSG_CHECKING(for gl_matchc field in glob_t) AC_EGREP_CPP(FOUNDIT, [ #include int main(void){glob_t g; g.gl_matchc = 1;} ], [ AC_DEFINE(GLOB_HAS_GL_MATCHC, 1, [Define if your system glob() function has gl_matchc options in glob_t]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) AC_MSG_CHECKING([whether struct dirent allocates space for d_name]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));} ]])], [AC_MSG_RESULT(yes)], [ AC_MSG_RESULT(no) AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME, 1, [Define in your struct dirent expects you to allocate extra space for d_name]) ], [ AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME]) AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME) ] ) AC_MSG_CHECKING([for /proc/pid/fd directory]) if test -d "/proc/$$/fd" ; then AC_DEFINE(HAVE_PROC_PID, 1, [Define if you have /proc/$pid/fd]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi # Check whether user wants S/Key support SKEY_MSG="no" AC_ARG_WITH(skey, [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)], [ if test "x$withval" != "xno" ; then if test "x$withval" != "xyes" ; then CPPFLAGS="$CPPFLAGS -I${withval}/include" LDFLAGS="$LDFLAGS -L${withval}/lib" fi AC_DEFINE(SKEY, 1, [Define if you want S/Key support]) LIBS="-lskey $LIBS" SKEY_MSG="yes" AC_MSG_CHECKING([for s/key support]) AC_LINK_IFELSE( [AC_LANG_SOURCE([[ #include #include int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); } ]])], [AC_MSG_RESULT(yes)], [ AC_MSG_RESULT(no) AC_MSG_ERROR([** Incomplete or missing s/key libraries.]) ]) AC_MSG_CHECKING(if skeychallenge takes 4 arguments) AC_TRY_COMPILE( [#include #include ], [(void)skeychallenge(NULL,"name","",0);], [AC_MSG_RESULT(yes) AC_DEFINE(SKEYCHALLENGE_4ARG, 1, [Define if your skeychallenge() function takes 4 arguments (NetBSD)])], [AC_MSG_RESULT(no)] ) fi ] ) # Check whether user wants TCP wrappers support TCPW_MSG="no" AC_ARG_WITH(tcp-wrappers, [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)], [ if test "x$withval" != "xno" ; then saved_LIBS="$LIBS" saved_LDFLAGS="$LDFLAGS" saved_CPPFLAGS="$CPPFLAGS" if test -n "${withval}" && \ test "x${withval}" != "xyes"; then if test -d "${withval}/lib"; then if test -n "${need_dash_r}"; then LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" else LDFLAGS="-L${withval}/lib ${LDFLAGS}" fi else if test -n "${need_dash_r}"; then LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" else LDFLAGS="-L${withval} ${LDFLAGS}" fi fi if test -d "${withval}/include"; then CPPFLAGS="-I${withval}/include ${CPPFLAGS}" else CPPFLAGS="-I${withval} ${CPPFLAGS}" fi fi LIBWRAP="-lwrap" LIBS="$LIBWRAP $LIBS" AC_MSG_CHECKING(for libwrap) AC_TRY_LINK( [ #include #include #include #include int deny_severity = 0, allow_severity = 0; ], [hosts_access(0);], [ AC_MSG_RESULT(yes) AC_DEFINE(LIBWRAP, 1, [Define if you want TCP Wrappers support]) AC_SUBST(LIBWRAP) TCPW_MSG="yes" ], [ AC_MSG_ERROR([*** libwrap missing]) ] ) LIBS="$saved_LIBS" fi ] ) # Check whether user wants libedit support LIBEDIT_MSG="no" AC_ARG_WITH(libedit, [ --with-libedit[[=PATH]] Enable libedit support for sftp], [ if test "x$withval" != "xno" ; then if test "x$withval" != "xyes"; then CPPFLAGS="$CPPFLAGS -I${withval}/include" if test -n "${need_dash_r}"; then LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" else LDFLAGS="-L${withval}/lib ${LDFLAGS}" fi fi AC_CHECK_LIB(edit, el_init, [ AC_DEFINE(USE_LIBEDIT, 1, [Use libedit for sftp]) LIBEDIT="-ledit -lcurses" LIBEDIT_MSG="yes" AC_SUBST(LIBEDIT) ], [ AC_MSG_ERROR(libedit not found) ], [ -lcurses ] ) AC_MSG_CHECKING(if libedit version is compatible) AC_COMPILE_IFELSE( [AC_LANG_SOURCE([[ #include int main(void) { int i = H_SETSIZE; el_init("", NULL, NULL, NULL); exit(0); } ]])], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_ERROR(libedit version is not compatible) ] ) fi ] ) AUDIT_MODULE=none AC_ARG_WITH(audit, [ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)], [ AC_MSG_CHECKING(for supported audit module) case "$withval" in bsm) AC_MSG_RESULT(bsm) AUDIT_MODULE=bsm dnl Checks for headers, libs and functions AC_CHECK_HEADERS(bsm/audit.h, [], [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)]) AC_CHECK_LIB(bsm, getaudit, [], [AC_MSG_ERROR(BSM enabled and required library not found)]) AC_CHECK_FUNCS(getaudit, [], [AC_MSG_ERROR(BSM enabled and required function not found)]) # These are optional AC_CHECK_FUNCS(getaudit_addr) AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module]) ;; debug) AUDIT_MODULE=debug AC_MSG_RESULT(debug) AC_DEFINE(SSH_AUDIT_EVENTS, 1, Use audit debugging module) ;; no) AC_MSG_RESULT(no) ;; *) AC_MSG_ERROR([Unknown audit module $withval]) ;; esac ] ) dnl Checks for library functions. Please keep in alphabetical order AC_CHECK_FUNCS( \ arc4random \ b64_ntop \ __b64_ntop \ b64_pton \ __b64_pton \ bcopy \ bindresvport_sa \ clock \ closefrom \ dirfd \ fchmod \ fchown \ freeaddrinfo \ futimes \ getaddrinfo \ getcwd \ getgrouplist \ getnameinfo \ getopt \ getpeereid \ _getpty \ getrlimit \ getttyent \ glob \ inet_aton \ inet_ntoa \ inet_ntop \ innetgr \ login_getcapbool \ md5_crypt \ memmove \ mkdtemp \ mmap \ ngetaddrinfo \ nsleep \ ogetaddrinfo \ openlog_r \ openpty \ prctl \ pstat \ readpassphrase \ realpath \ recvmsg \ rresvport_af \ sendmsg \ setdtablesize \ setegid \ setenv \ seteuid \ setgroups \ setlogin \ setpcred \ setproctitle \ setregid \ setreuid \ setrlimit \ setsid \ setvbuf \ sigaction \ sigvec \ snprintf \ socketpair \ strdup \ strerror \ strlcat \ strlcpy \ strmode \ strnvis \ strtonum \ strtoll \ strtoul \ sysconf \ tcgetpgrp \ truncate \ unsetenv \ updwtmpx \ vhangup \ vsnprintf \ waitpid \ ) # IRIX has a const char return value for gai_strerror() AC_CHECK_FUNCS(gai_strerror,[ AC_DEFINE(HAVE_GAI_STRERROR) AC_TRY_COMPILE([ #include #include #include const char *gai_strerror(int);],[ char *str; str = gai_strerror(0);],[ AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1, [Define if gai_strerror() returns const char *])])]) AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1, [Some systems put nanosleep outside of libc])) dnl Make sure prototypes are defined for these before using them. AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)]) AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)], [], [ #ifdef HAVE_STRING_H # include #endif ]) dnl tcsendbreak might be a macro AC_CHECK_DECL(tcsendbreak, [AC_DEFINE(HAVE_TCSENDBREAK)], [AC_CHECK_FUNCS(tcsendbreak)], [#include ] ) AC_CHECK_DECLS(h_errno, , ,[#include ]) AC_CHECK_FUNCS(setresuid, [ dnl Some platorms have setresuid that isn't implemented, test for this AC_MSG_CHECKING(if setresuid seems to work) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);} ]])], [AC_MSG_RESULT(yes)], [AC_DEFINE(BROKEN_SETRESUID, 1, [Define if your setresuid() is broken]) AC_MSG_RESULT(not implemented)], [AC_MSG_WARN([cross compiling: not checking setresuid])] ) ]) AC_CHECK_FUNCS(setresgid, [ dnl Some platorms have setresgid that isn't implemented, test for this AC_MSG_CHECKING(if setresgid seems to work) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);} ]])], [AC_MSG_RESULT(yes)], [AC_DEFINE(BROKEN_SETRESGID, 1, [Define if your setresgid() is broken]) AC_MSG_RESULT(not implemented)], [AC_MSG_WARN([cross compiling: not checking setresuid])] ) ]) dnl Checks for time functions AC_CHECK_FUNCS(gettimeofday time) dnl Checks for utmp functions AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent) AC_CHECK_FUNCS(utmpname) dnl Checks for utmpx functions AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline ) AC_CHECK_FUNCS(setutxent utmpxname) AC_CHECK_FUNC(daemon, [AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])], [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])] ) AC_CHECK_FUNC(getpagesize, [AC_DEFINE(HAVE_GETPAGESIZE, 1, [Define if your libraries define getpagesize()])], [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])] ) # Check for broken snprintf if test "x$ac_cv_func_snprintf" = "xyes" ; then AC_MSG_CHECKING([whether snprintf correctly terminates long strings]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');} ]])], [AC_MSG_RESULT(yes)], [ AC_MSG_RESULT(no) AC_DEFINE(BROKEN_SNPRINTF, 1, [Define if your snprintf is busted]) AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor]) ], [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ] ) fi # Check for missing getpeereid (or equiv) support NO_PEERCHECK="" if test "x$ac_cv_func_getpeereid" != "xyes" ; then AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt]) AC_TRY_COMPILE( [#include #include ], [int i = SO_PEERCRED;], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SO_PEERCRED, 1, [Have PEERCRED socket option]) ], [AC_MSG_RESULT(no) NO_PEERCHECK=1] ) fi dnl see whether mkstemp() requires XXXXXX if test "x$ac_cv_func_mkdtemp" = "xyes" ; then AC_MSG_CHECKING([for (overly) strict mkstemp]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include main() { char template[]="conftest.mkstemp-test"; if (mkstemp(template) == -1) exit(1); unlink(template); exit(0); } ]])], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()]) ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STRICT_MKSTEMP) ] ) fi dnl make sure that openpty does not reacquire controlling terminal if test ! -z "$check_for_openpty_ctty_bug"; then AC_MSG_CHECKING(if openpty correctly handles controlling tty) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #include int main() { pid_t pid; int fd, ptyfd, ttyfd, status; pid = fork(); if (pid < 0) { /* failed */ exit(1); } else if (pid > 0) { /* parent */ waitpid(pid, &status, 0); if (WIFEXITED(status)) exit(WEXITSTATUS(status)); else exit(2); } else { /* child */ close(0); close(1); close(2); setsid(); openpty(&ptyfd, &ttyfd, NULL, NULL, NULL); fd = open("/dev/tty", O_RDWR | O_NOCTTY); if (fd >= 0) exit(3); /* Acquired ctty: broken */ else exit(0); /* Did not acquire ctty: OK */ } } ]])], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_DEFINE(SSHD_ACQUIRES_CTTY) ], [ AC_MSG_RESULT(cross-compiling, assuming yes) ] ) fi if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then AC_MSG_CHECKING(if getaddrinfo seems to work) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #include #include #define TEST_PORT "2222" int main(void) { int err, sock; struct addrinfo *gai_ai, *ai, hints; char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; hints.ai_flags = AI_PASSIVE; err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); if (err != 0) { fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); exit(1); } for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { if (ai->ai_family != AF_INET6) continue; err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, sizeof(ntop), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV); if (err != 0) { if (err == EAI_SYSTEM) perror("getnameinfo EAI_SYSTEM"); else fprintf(stderr, "getnameinfo failed: %s\n", gai_strerror(err)); exit(2); } sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); if (sock < 0) perror("socket"); if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) { if (errno == EBADF) exit(3); } } exit(0); } ]])], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_DEFINE(BROKEN_GETADDRINFO) ], [ AC_MSG_RESULT(cross-compiling, assuming yes) ] ) fi if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ test "x$check_for_aix_broken_getaddrinfo" = "x1"; then AC_MSG_CHECKING(if getaddrinfo seems to work) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #include #include #define TEST_PORT "2222" int main(void) { int err, sock; struct addrinfo *gai_ai, *ai, hints; char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; hints.ai_flags = AI_PASSIVE; err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); if (err != 0) { fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); exit(1); } for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) continue; err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, sizeof(ntop), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV); if (ai->ai_family == AF_INET && err != 0) { perror("getnameinfo"); exit(2); } } exit(0); } ]])], [ AC_MSG_RESULT(yes) AC_DEFINE(AIX_GETNAMEINFO_HACK, 1, [Define if you have a getaddrinfo that fails for the all-zeros IPv6 address]) ], [ AC_MSG_RESULT(no) AC_DEFINE(BROKEN_GETADDRINFO) ], AC_MSG_RESULT(cross-compiling, assuming no) ] ) fi if test "x$check_for_conflicting_getspnam" = "x1"; then AC_MSG_CHECKING(for conflicting getspnam in shadow.h) AC_COMPILE_IFELSE( [ #include int main(void) {exit(0);} ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1, [Conflicting defs for getspnam]) ] ) fi AC_FUNC_GETPGRP # Check for PAM libs PAM_MSG="no" AC_ARG_WITH(pam, [ --with-pam Enable PAM support ], [ if test "x$withval" != "xno" ; then if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \ test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then AC_MSG_ERROR([PAM headers not found]) fi AC_CHECK_LIB(dl, dlopen, , ) AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing])) AC_CHECK_FUNCS(pam_getenvlist) AC_CHECK_FUNCS(pam_putenv) PAM_MSG="yes" AC_DEFINE(USE_PAM, 1, [Define if you want to enable PAM support]) if test $ac_cv_lib_dl_dlopen = yes; then LIBPAM="-lpam -ldl" else LIBPAM="-lpam" fi AC_SUBST(LIBPAM) fi ] ) # Check for older PAM if test "x$PAM_MSG" = "xyes" ; then # Check PAM strerror arguments (old PAM) AC_MSG_CHECKING([whether pam_strerror takes only one argument]) AC_TRY_COMPILE( [ #include #if defined(HAVE_SECURITY_PAM_APPL_H) #include #elif defined (HAVE_PAM_PAM_APPL_H) #include #endif ], [(void)pam_strerror((pam_handle_t *)NULL, -1);], [AC_MSG_RESULT(no)], [ AC_DEFINE(HAVE_OLD_PAM, 1, [Define if you have an old version of PAM which takes only one argument to pam_strerror]) AC_MSG_RESULT(yes) PAM_MSG="yes (old library)" ] ) fi # Search for OpenSSL saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" AC_ARG_WITH(ssl-dir, [ --with-ssl-dir=PATH Specify path to OpenSSL installation ], [ if test "x$withval" != "xno" ; then case "$withval" in # Relative paths ./*|../*) withval="`pwd`/$withval" esac if test -d "$withval/lib"; then if test -n "${need_dash_r}"; then LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" else LDFLAGS="-L${withval}/lib ${LDFLAGS}" fi else if test -n "${need_dash_r}"; then LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" else LDFLAGS="-L${withval} ${LDFLAGS}" fi fi if test -d "$withval/include"; then CPPFLAGS="-I${withval}/include ${CPPFLAGS}" else CPPFLAGS="-I${withval} ${CPPFLAGS}" fi fi ] ) LIBS="-lcrypto $LIBS" AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1, [Define if your ssl headers are included with #include ]), [ dnl Check default openssl install dir if test -n "${need_dash_r}"; then LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}" else LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}" fi CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}" AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL), [ AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***]) ] ) ] ) # Determine OpenSSL header version AC_MSG_CHECKING([OpenSSL header version]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #define DATA "conftest.sslincver" int main(void) { FILE *fd; int rc; fd = fopen(DATA,"w"); if(fd == NULL) exit(1); if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0) exit(1); exit(0); } ]])], [ ssl_header_ver=`cat conftest.sslincver` AC_MSG_RESULT($ssl_header_ver) ], [ AC_MSG_RESULT(not found) AC_MSG_ERROR(OpenSSL version header not found.) ], [ AC_MSG_WARN([cross compiling: not checking]) ] ) # Determine OpenSSL library version AC_MSG_CHECKING([OpenSSL library version]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #include #define DATA "conftest.ssllibver" int main(void) { FILE *fd; int rc; fd = fopen(DATA,"w"); if(fd == NULL) exit(1); if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0) exit(1); exit(0); } ]])], [ ssl_library_ver=`cat conftest.ssllibver` AC_MSG_RESULT($ssl_library_ver) ], [ AC_MSG_RESULT(not found) AC_MSG_ERROR(OpenSSL library not found.) ], [ AC_MSG_WARN([cross compiling: not checking]) ] ) # Sanity check OpenSSL headers AC_MSG_CHECKING([whether OpenSSL's headers match the library]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); } ]])], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_ERROR([Your OpenSSL headers do not match your library. Check config.log for details. Also see contrib/findssl.sh for help identifying header/library mismatches.]) ], [ AC_MSG_WARN([cross compiling: not checking]) ] ) # Some systems want crypt() from libcrypt, *not* the version in OpenSSL, # because the system crypt() is more featureful. if test "x$check_for_libcrypt_before" = "x1"; then AC_CHECK_LIB(crypt, crypt) fi # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the # version in OpenSSL. if test "x$check_for_libcrypt_later" = "x1"; then AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt") fi AC_CHECK_LIB(iaf, ia_openinfo) ### Configure cryptographic random number support # Check wheter OpenSSL seeds itself AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main(void) { exit(RAND_status() == 1 ? 0 : 1); } ]])], [ OPENSSL_SEEDS_ITSELF=yes AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) # Default to use of the rand helper if OpenSSL doesn't # seed itself USE_RAND_HELPER=yes ], [ AC_MSG_WARN([cross compiling: assuming yes]) # This is safe, since all recent OpenSSL versions will # complain at runtime if not seeded correctly. OPENSSL_SEEDS_ITSELF=yes ] ) # Do we want to force the use of the rand helper? AC_ARG_WITH(rand-helper, [ --with-rand-helper Use subprocess to gather strong randomness ], [ if test "x$withval" = "xno" ; then # Force use of OpenSSL's internal RNG, even if # the previous test showed it to be unseeded. if test -z "$OPENSSL_SEEDS_ITSELF" ; then AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG]) OPENSSL_SEEDS_ITSELF=yes USE_RAND_HELPER="" fi else USE_RAND_HELPER=yes fi ], ) # Which randomness source do we use? if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then # OpenSSL only AC_DEFINE(OPENSSL_PRNG_ONLY, 1, [Define if you want OpenSSL's internally seeded PRNG only]) RAND_MSG="OpenSSL internal ONLY" INSTALL_SSH_RAND_HELPER="" elif test ! -z "$USE_RAND_HELPER" ; then # install rand helper RAND_MSG="ssh-rand-helper" INSTALL_SSH_RAND_HELPER="yes" fi AC_SUBST(INSTALL_SSH_RAND_HELPER) ### Configuration of ssh-rand-helper # PRNGD TCP socket AC_ARG_WITH(prngd-port, [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT], [ case "$withval" in no) withval="" ;; [[0-9]]*) ;; *) AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port) ;; esac if test ! -z "$withval" ; then PRNGD_PORT="$withval" AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT, [Port number of PRNGD/EGD random number socket]) fi ] ) # PRNGD Unix domain socket AC_ARG_WITH(prngd-socket, [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)], [ case "$withval" in yes) withval="/var/run/egd-pool" ;; no) withval="" ;; /*) ;; *) AC_MSG_ERROR(You must specify an absolute path to the entropy socket) ;; esac if test ! -z "$withval" ; then if test ! -z "$PRNGD_PORT" ; then AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket) fi if test ! -r "$withval" ; then AC_MSG_WARN(Entropy socket is not readable) fi PRNGD_SOCKET="$withval" AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET", [Location of PRNGD/EGD random number socket]) fi ], [ # Check for existing socket only if we don't have a random device already if test "$USE_RAND_HELPER" = yes ; then AC_MSG_CHECKING(for PRNGD/EGD socket) # Insert other locations here for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then PRNGD_SOCKET="$sock" AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET") break; fi done if test ! -z "$PRNGD_SOCKET" ; then AC_MSG_RESULT($PRNGD_SOCKET) else AC_MSG_RESULT(not found) fi fi ] ) # Change default command timeout for hashing entropy source entropy_timeout=200 AC_ARG_WITH(entropy-timeout, [ --with-entropy-timeout Specify entropy gathering command timeout (msec)], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then entropy_timeout=$withval fi ] ) AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout, [Builtin PRNG command timeout]) SSH_PRIVSEP_USER=sshd AC_ARG_WITH(privsep-user, [ --with-privsep-user=user Specify non-privileged user for privilege separation], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then SSH_PRIVSEP_USER=$withval fi ] ) AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER", [non-privileged user for privilege separation]) AC_SUBST(SSH_PRIVSEP_USER) # We do this little dance with the search path to insure # that programs that we select for use by installed programs # (which may be run by the super-user) come from trusted # locations before they come from the user's private area. # This should help avoid accidentally configuring some # random version of a program in someone's personal bin. OPATH=$PATH PATH=/bin:/usr/bin test -h /bin 2> /dev/null && PATH=/usr/bin test -d /sbin && PATH=$PATH:/sbin test -d /usr/sbin && PATH=$PATH:/usr/sbin PATH=$PATH:/etc:$OPATH # These programs are used by the command hashing source to gather entropy OSSH_PATH_ENTROPY_PROG(PROG_LS, ls) OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat) OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp) OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig) OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat) OSSH_PATH_ENTROPY_PROG(PROG_PS, ps) OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar) OSSH_PATH_ENTROPY_PROG(PROG_W, w) OSSH_PATH_ENTROPY_PROG(PROG_WHO, who) OSSH_PATH_ENTROPY_PROG(PROG_LAST, last) OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog) OSSH_PATH_ENTROPY_PROG(PROG_DF, df) OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat) OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime) OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs) OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail) # restore PATH PATH=$OPATH # Where does ssh-rand-helper get its randomness from? INSTALL_SSH_PRNG_CMDS="" if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then if test ! -z "$PRNGD_PORT" ; then RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT" elif test ! -z "$PRNGD_SOCKET" ; then RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\"" else RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)" RAND_HELPER_CMDHASH=yes INSTALL_SSH_PRNG_CMDS="yes" fi fi AC_SUBST(INSTALL_SSH_PRNG_CMDS) # Cheap hack to ensure NEWS-OS libraries are arranged right. if test ! -z "$SONY" ; then LIBS="$LIBS -liberty"; fi # Checks for data types AC_CHECK_SIZEOF(char, 1) AC_CHECK_SIZEOF(short int, 2) AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(long int, 4) AC_CHECK_SIZEOF(long long int, 8) # Sanity check long long for some platforms (AIX) if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then ac_cv_sizeof_long_long_int=0 fi # compute LLONG_MIN and LLONG_MAX if we don't know them. if test -z "$have_llong_max"; then AC_MSG_CHECKING([for max value of long long]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include /* Why is this so damn hard? */ #ifdef __GNUC__ # undef __GNUC__ #endif #define __USE_ISOC99 #include #define DATA "conftest.llminmax" int main(void) { FILE *f; long long i, llmin, llmax = 0; if((f = fopen(DATA,"w")) == NULL) exit(1); #if defined(LLONG_MIN) && defined(LLONG_MAX) fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n"); llmin = LLONG_MIN; llmax = LLONG_MAX; #else fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n"); /* This will work on one's complement and two's complement */ for (i = 1; i > llmax; i <<= 1, i++) llmax = i; llmin = llmax + 1LL; /* wrap */ #endif /* Sanity check */ if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax || llmax - 1 > llmax) { fprintf(f, "unknown unknown\n"); exit(2); } if (fprintf(f ,"%lld %lld", llmin, llmax) < 0) exit(3); exit(0); } ]])], [ llong_min=`$AWK '{print $1}' conftest.llminmax` llong_max=`$AWK '{print $2}' conftest.llminmax` # snprintf on some Tru64s doesn't understand "%lld" case "$host" in alpha-dec-osf*) if test "x$ac_cv_sizeof_long_long_int" = "x8" && test "x$llong_max" = "xld"; then llong_min="-9223372036854775808" llong_max="9223372036854775807" fi ;; esac AC_MSG_RESULT($llong_max) AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL], [max value of long long calculated by configure]) AC_MSG_CHECKING([for min value of long long]) AC_MSG_RESULT($llong_min) AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL], [min value of long long calculated by configure]) ], [ AC_MSG_RESULT(not found) ], [ AC_MSG_WARN([cross compiling: not checking]) ] ) fi # More checks for data types AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [ AC_TRY_COMPILE( [ #include ], [ u_int a; a = 1;], [ ac_cv_have_u_int="yes" ], [ ac_cv_have_u_int="no" ] ) ]) if test "x$ac_cv_have_u_int" = "xyes" ; then AC_DEFINE(HAVE_U_INT, 1, [define if you have u_int data type]) have_u_int=1 fi AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [ AC_TRY_COMPILE( [ #include ], [ int8_t a; int16_t b; int32_t c; a = b = c = 1;], [ ac_cv_have_intxx_t="yes" ], [ ac_cv_have_intxx_t="no" ] ) ]) if test "x$ac_cv_have_intxx_t" = "xyes" ; then AC_DEFINE(HAVE_INTXX_T, 1, [define if you have intxx_t data type]) have_intxx_t=1 fi if (test -z "$have_intxx_t" && \ test "x$ac_cv_header_stdint_h" = "xyes") then AC_MSG_CHECKING([for intXX_t types in stdint.h]) AC_TRY_COMPILE( [ #include ], [ int8_t a; int16_t b; int32_t c; a = b = c = 1;], [ AC_DEFINE(HAVE_INTXX_T) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) fi AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [ AC_TRY_COMPILE( [ #include #ifdef HAVE_STDINT_H # include #endif #include #ifdef HAVE_SYS_BITYPES_H # include #endif ], [ int64_t a; a = 1;], [ ac_cv_have_int64_t="yes" ], [ ac_cv_have_int64_t="no" ] ) ]) if test "x$ac_cv_have_int64_t" = "xyes" ; then AC_DEFINE(HAVE_INT64_T, 1, [define if you have int64_t data type]) fi AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [ AC_TRY_COMPILE( [ #include ], [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;], [ ac_cv_have_u_intxx_t="yes" ], [ ac_cv_have_u_intxx_t="no" ] ) ]) if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then AC_DEFINE(HAVE_U_INTXX_T, 1, [define if you have u_intxx_t data type]) have_u_intxx_t=1 fi if test -z "$have_u_intxx_t" ; then AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h]) AC_TRY_COMPILE( [ #include ], [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;], [ AC_DEFINE(HAVE_U_INTXX_T) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) fi AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [ AC_TRY_COMPILE( [ #include ], [ u_int64_t a; a = 1;], [ ac_cv_have_u_int64_t="yes" ], [ ac_cv_have_u_int64_t="no" ] ) ]) if test "x$ac_cv_have_u_int64_t" = "xyes" ; then AC_DEFINE(HAVE_U_INT64_T, 1, [define if you have u_int64_t data type]) have_u_int64_t=1 fi if test -z "$have_u_int64_t" ; then AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h]) AC_TRY_COMPILE( [ #include ], [ u_int64_t a; a = 1], [ AC_DEFINE(HAVE_U_INT64_T) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) fi if test -z "$have_u_intxx_t" ; then AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [ AC_TRY_COMPILE( [ #include ], [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ], [ ac_cv_have_uintxx_t="yes" ], [ ac_cv_have_uintxx_t="no" ] ) ]) if test "x$ac_cv_have_uintxx_t" = "xyes" ; then AC_DEFINE(HAVE_UINTXX_T, 1, [define if you have uintxx_t data type]) fi fi if test -z "$have_uintxx_t" ; then AC_MSG_CHECKING([for uintXX_t types in stdint.h]) AC_TRY_COMPILE( [ #include ], [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;], [ AC_DEFINE(HAVE_UINTXX_T) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] ) fi if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \ test "x$ac_cv_header_sys_bitypes_h" = "xyes") then AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h]) AC_TRY_COMPILE( [ #include ], [ int8_t a; int16_t b; int32_t c; u_int8_t e; u_int16_t f; u_int32_t g; a = b = c = e = f = g = 1; ], [ AC_DEFINE(HAVE_U_INTXX_T) AC_DEFINE(HAVE_INTXX_T) AC_MSG_RESULT(yes) ], [AC_MSG_RESULT(no)] ) fi AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [ AC_TRY_COMPILE( [ #include ], [ u_char foo; foo = 125; ], [ ac_cv_have_u_char="yes" ], [ ac_cv_have_u_char="no" ] ) ]) if test "x$ac_cv_have_u_char" = "xyes" ; then AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type]) fi TYPE_SOCKLEN_T AC_CHECK_TYPES(sig_atomic_t,,,[#include ]) AC_CHECK_TYPES(in_addr_t,,, [#include #include ]) AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [ AC_TRY_COMPILE( [ #include ], [ size_t foo; foo = 1235; ], [ ac_cv_have_size_t="yes" ], [ ac_cv_have_size_t="no" ] ) ]) if test "x$ac_cv_have_size_t" = "xyes" ; then AC_DEFINE(HAVE_SIZE_T, 1, [define if you have size_t data type]) fi AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [ AC_TRY_COMPILE( [ #include ], [ ssize_t foo; foo = 1235; ], [ ac_cv_have_ssize_t="yes" ], [ ac_cv_have_ssize_t="no" ] ) ]) if test "x$ac_cv_have_ssize_t" = "xyes" ; then AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type]) fi AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [ AC_TRY_COMPILE( [ #include ], [ clock_t foo; foo = 1235; ], [ ac_cv_have_clock_t="yes" ], [ ac_cv_have_clock_t="no" ] ) ]) if test "x$ac_cv_have_clock_t" = "xyes" ; then AC_DEFINE(HAVE_CLOCK_T, 1, [define if you have clock_t data type]) fi AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [ AC_TRY_COMPILE( [ #include #include ], [ sa_family_t foo; foo = 1235; ], [ ac_cv_have_sa_family_t="yes" ], [ AC_TRY_COMPILE( [ #include #include #include ], [ sa_family_t foo; foo = 1235; ], [ ac_cv_have_sa_family_t="yes" ], [ ac_cv_have_sa_family_t="no" ] )] ) ]) if test "x$ac_cv_have_sa_family_t" = "xyes" ; then AC_DEFINE(HAVE_SA_FAMILY_T, 1, [define if you have sa_family_t data type]) fi AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [ AC_TRY_COMPILE( [ #include ], [ pid_t foo; foo = 1235; ], [ ac_cv_have_pid_t="yes" ], [ ac_cv_have_pid_t="no" ] ) ]) if test "x$ac_cv_have_pid_t" = "xyes" ; then AC_DEFINE(HAVE_PID_T, 1, [define if you have pid_t data type]) fi AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [ AC_TRY_COMPILE( [ #include ], [ mode_t foo; foo = 1235; ], [ ac_cv_have_mode_t="yes" ], [ ac_cv_have_mode_t="no" ] ) ]) if test "x$ac_cv_have_mode_t" = "xyes" ; then AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type]) fi AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [ AC_TRY_COMPILE( [ #include #include ], [ struct sockaddr_storage s; ], [ ac_cv_have_struct_sockaddr_storage="yes" ], [ ac_cv_have_struct_sockaddr_storage="no" ] ) ]) if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1, [define if you have struct sockaddr_storage data type]) fi AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [ AC_TRY_COMPILE( [ #include #include ], [ struct sockaddr_in6 s; s.sin6_family = 0; ], [ ac_cv_have_struct_sockaddr_in6="yes" ], [ ac_cv_have_struct_sockaddr_in6="no" ] ) ]) if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1, [define if you have struct sockaddr_in6 data type]) fi AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [ AC_TRY_COMPILE( [ #include #include ], [ struct in6_addr s; s.s6_addr[0] = 0; ], [ ac_cv_have_struct_in6_addr="yes" ], [ ac_cv_have_struct_in6_addr="no" ] ) ]) if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1, [define if you have struct in6_addr data type]) fi AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [ AC_TRY_COMPILE( [ #include #include #include ], [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ], [ ac_cv_have_struct_addrinfo="yes" ], [ ac_cv_have_struct_addrinfo="no" ] ) ]) if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [define if you have struct addrinfo data type]) fi AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [ AC_TRY_COMPILE( [ #include ], [ struct timeval tv; tv.tv_sec = 1;], [ ac_cv_have_struct_timeval="yes" ], [ ac_cv_have_struct_timeval="no" ] ) ]) if test "x$ac_cv_have_struct_timeval" = "xyes" ; then AC_DEFINE(HAVE_STRUCT_TIMEVAL, 1, [define if you have struct timeval]) have_struct_timeval=1 fi AC_CHECK_TYPES(struct timespec) # We need int64_t or else certian parts of the compile will fail. if test "x$ac_cv_have_int64_t" = "xno" && \ test "x$ac_cv_sizeof_long_int" != "x8" && \ test "x$ac_cv_sizeof_long_long_int" = "x0" ; then echo "OpenSSH requires int64_t support. Contact your vendor or install" echo "an alternative compiler (I.E., GCC) before continuing." echo "" exit 1; else dnl test snprintf (broken on SCO w/gcc) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #ifdef HAVE_SNPRINTF main() { char buf[50]; char expected_out[50]; int mazsize = 50 ; #if (SIZEOF_LONG_INT == 8) long int num = 0x7fffffffffffffff; #else long long num = 0x7fffffffffffffffll; #endif strcpy(expected_out, "9223372036854775807"); snprintf(buf, mazsize, "%lld", num); if(strcmp(buf, expected_out) != 0) exit(1); exit(0); } #else main() { exit(0); } #endif ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ], AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ) fi dnl Checks for structure members OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP) OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX) OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX) AC_CHECK_MEMBERS([struct stat.st_blksize]) AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage], ac_cv_have_ss_family_in_struct_ss, [ AC_TRY_COMPILE( [ #include #include ], [ struct sockaddr_storage s; s.ss_family = 1; ], [ ac_cv_have_ss_family_in_struct_ss="yes" ], [ ac_cv_have_ss_family_in_struct_ss="no" ], ) ]) if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage]) fi AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage], ac_cv_have___ss_family_in_struct_ss, [ AC_TRY_COMPILE( [ #include #include ], [ struct sockaddr_storage s; s.__ss_family = 1; ], [ ac_cv_have___ss_family_in_struct_ss="yes" ], [ ac_cv_have___ss_family_in_struct_ss="no" ] ) ]) if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage]) fi AC_CACHE_CHECK([for pw_class field in struct passwd], ac_cv_have_pw_class_in_struct_passwd, [ AC_TRY_COMPILE( [ #include ], [ struct passwd p; p.pw_class = 0; ], [ ac_cv_have_pw_class_in_struct_passwd="yes" ], [ ac_cv_have_pw_class_in_struct_passwd="no" ] ) ]) if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1, [Define if your password has a pw_class field]) fi AC_CACHE_CHECK([for pw_expire field in struct passwd], ac_cv_have_pw_expire_in_struct_passwd, [ AC_TRY_COMPILE( [ #include ], [ struct passwd p; p.pw_expire = 0; ], [ ac_cv_have_pw_expire_in_struct_passwd="yes" ], [ ac_cv_have_pw_expire_in_struct_passwd="no" ] ) ]) if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1, [Define if your password has a pw_expire field]) fi AC_CACHE_CHECK([for pw_change field in struct passwd], ac_cv_have_pw_change_in_struct_passwd, [ AC_TRY_COMPILE( [ #include ], [ struct passwd p; p.pw_change = 0; ], [ ac_cv_have_pw_change_in_struct_passwd="yes" ], [ ac_cv_have_pw_change_in_struct_passwd="no" ] ) ]) if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1, [Define if your password has a pw_change field]) fi dnl make sure we're using the real structure members and not defines AC_CACHE_CHECK([for msg_accrights field in struct msghdr], ac_cv_have_accrights_in_msghdr, [ AC_COMPILE_IFELSE( [ #include #include #include int main() { #ifdef msg_accrights #error "msg_accrights is a macro" exit(1); #endif struct msghdr m; m.msg_accrights = 0; exit(0); } ], [ ac_cv_have_accrights_in_msghdr="yes" ], [ ac_cv_have_accrights_in_msghdr="no" ] ) ]) if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1, [Define if your system uses access rights style file descriptor passing]) fi AC_CACHE_CHECK([for msg_control field in struct msghdr], ac_cv_have_control_in_msghdr, [ AC_COMPILE_IFELSE( [ #include #include #include int main() { #ifdef msg_control #error "msg_control is a macro" exit(1); #endif struct msghdr m; m.msg_control = 0; exit(0); } ], [ ac_cv_have_control_in_msghdr="yes" ], [ ac_cv_have_control_in_msghdr="no" ] ) ]) if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then AC_DEFINE(HAVE_CONTROL_IN_MSGHDR, 1, [Define if your system uses ancillary data style file descriptor passing]) fi AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [ AC_TRY_LINK([], [ extern char *__progname; printf("%s", __progname); ], [ ac_cv_libc_defines___progname="yes" ], [ ac_cv_libc_defines___progname="no" ] ) ]) if test "x$ac_cv_libc_defines___progname" = "xyes" ; then AC_DEFINE(HAVE___PROGNAME, 1, [Define if libc defines __progname]) fi AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [ AC_TRY_LINK([ #include ], [ printf("%s", __FUNCTION__); ], [ ac_cv_cc_implements___FUNCTION__="yes" ], [ ac_cv_cc_implements___FUNCTION__="no" ] ) ]) if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then AC_DEFINE(HAVE___FUNCTION__, 1, [Define if compiler implements __FUNCTION__]) fi AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [ AC_TRY_LINK([ #include ], [ printf("%s", __func__); ], [ ac_cv_cc_implements___func__="yes" ], [ ac_cv_cc_implements___func__="no" ] ) ]) if test "x$ac_cv_cc_implements___func__" = "xyes" ; then AC_DEFINE(HAVE___func__, 1, [Define if compiler implements __func__]) fi AC_CACHE_CHECK([whether getopt has optreset support], ac_cv_have_getopt_optreset, [ AC_TRY_LINK( [ #include ], [ extern int optreset; optreset = 0; ], [ ac_cv_have_getopt_optreset="yes" ], [ ac_cv_have_getopt_optreset="no" ] ) ]) if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then AC_DEFINE(HAVE_GETOPT_OPTRESET, 1, [Define if your getopt(3) defines and uses optreset]) fi AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [ AC_TRY_LINK([], [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);], [ ac_cv_libc_defines_sys_errlist="yes" ], [ ac_cv_libc_defines_sys_errlist="no" ] ) ]) if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if your system defines sys_errlist[]]) fi AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [ AC_TRY_LINK([], [ extern int sys_nerr; printf("%i", sys_nerr);], [ ac_cv_libc_defines_sys_nerr="yes" ], [ ac_cv_libc_defines_sys_nerr="no" ] ) ]) if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr]) fi SCARD_MSG="no" # Check whether user wants sectok support AC_ARG_WITH(sectok, [ --with-sectok Enable smartcard support using libsectok], [ if test "x$withval" != "xno" ; then if test "x$withval" != "xyes" ; then CPPFLAGS="$CPPFLAGS -I${withval}" LDFLAGS="$LDFLAGS -L${withval}" if test ! -z "$need_dash_r" ; then LDFLAGS="$LDFLAGS -R${withval}" fi if test ! -z "$blibpath" ; then blibpath="$blibpath:${withval}" fi fi AC_CHECK_HEADERS(sectok.h) if test "$ac_cv_header_sectok_h" != yes; then AC_MSG_ERROR(Can't find sectok.h) fi AC_CHECK_LIB(sectok, sectok_open) if test "$ac_cv_lib_sectok_sectok_open" != yes; then AC_MSG_ERROR(Can't find libsectok) fi AC_DEFINE(SMARTCARD, 1, [Define if you want smartcard support]) AC_DEFINE(USE_SECTOK, 1, [Define if you want smartcard support using sectok]) SCARD_MSG="yes, using sectok" fi ] ) # Check whether user wants OpenSC support OPENSC_CONFIG="no" AC_ARG_WITH(opensc, [ --with-opensc[[=PFX]] Enable smartcard support using OpenSC (optionally in PATH)], [ if test "x$withval" != "xno" ; then if test "x$withval" != "xyes" ; then OPENSC_CONFIG=$withval/bin/opensc-config else AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no) fi if test "$OPENSC_CONFIG" != "no"; then LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags` LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs` CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS" LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS" AC_DEFINE(SMARTCARD) AC_DEFINE(USE_OPENSC, 1, [Define if you want smartcard support using OpenSC]) SCARD_MSG="yes, using OpenSC" fi fi ] ) # Check libraries needed by DNS fingerprint support AC_SEARCH_LIBS(getrrsetbyname, resolv, [AC_DEFINE(HAVE_GETRRSETBYNAME, 1, [Define if getrrsetbyname() exists])], [ # Needed by our getrrsetbyname() AC_SEARCH_LIBS(res_query, resolv) AC_SEARCH_LIBS(dn_expand, resolv) AC_MSG_CHECKING(if res_query will link) AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes), [AC_MSG_RESULT(no) saved_LIBS="$LIBS" LIBS="$LIBS -lresolv" AC_MSG_CHECKING(for res_query in -lresolv) AC_LINK_IFELSE([ #include int main() { res_query (0, 0, 0, 0, 0); return 0; } ], [LIBS="$LIBS -lresolv" AC_MSG_RESULT(yes)], [LIBS="$saved_LIBS" AC_MSG_RESULT(no)]) ]) AC_CHECK_FUNCS(_getshort _getlong) AC_CHECK_DECLS([_getshort, _getlong], , , [#include #include ]) AC_CHECK_MEMBER(HEADER.ad, [AC_DEFINE(HAVE_HEADER_AD, 1, [Define if HEADER.ad exists in arpa/nameser.h])],, [#include ]) ]) # Check whether user wants Kerberos 5 support KRB5_MSG="no" AC_ARG_WITH(kerberos5, [ --with-kerberos5=PATH Enable Kerberos 5 support], [ if test "x$withval" != "xno" ; then if test "x$withval" = "xyes" ; then KRB5ROOT="/usr/local" else KRB5ROOT=${withval} fi AC_DEFINE(KRB5, 1, [Define if you want Kerberos 5 support]) KRB5_MSG="yes" AC_MSG_CHECKING(for krb5-config) if test -x $KRB5ROOT/bin/krb5-config ; then KRB5CONF=$KRB5ROOT/bin/krb5-config AC_MSG_RESULT($KRB5CONF) AC_MSG_CHECKING(for gssapi support) if $KRB5CONF | grep gssapi >/dev/null ; then AC_MSG_RESULT(yes) AC_DEFINE(GSSAPI, 1, [Define this if you want GSSAPI support in the version 2 protocol]) k5confopts=gssapi else AC_MSG_RESULT(no) k5confopts="" fi K5CFLAGS="`$KRB5CONF --cflags $k5confopts`" K5LIBS="`$KRB5CONF --libs $k5confopts`" CPPFLAGS="$CPPFLAGS $K5CFLAGS" AC_MSG_CHECKING(whether we are using Heimdal) AC_TRY_COMPILE([ #include ], [ char *tmp = heimdal_version; ], [ AC_MSG_RESULT(yes) AC_DEFINE(HEIMDAL, 1, [Define this if you are using the Heimdal version of Kerberos V5]) ], AC_MSG_RESULT(no) ) else AC_MSG_RESULT(no) CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include" LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib" AC_MSG_CHECKING(whether we are using Heimdal) AC_TRY_COMPILE([ #include ], [ char *tmp = heimdal_version; ], [ AC_MSG_RESULT(yes) AC_DEFINE(HEIMDAL) K5LIBS="-lkrb5 -ldes" K5LIBS="$K5LIBS -lcom_err -lasn1" AC_CHECK_LIB(roken, net_write, [K5LIBS="$K5LIBS -lroken"]) ], [ AC_MSG_RESULT(no) K5LIBS="-lkrb5 -lk5crypto -lcom_err" ] ) AC_SEARCH_LIBS(dn_expand, resolv) AC_CHECK_LIB(gssapi,gss_init_sec_context, [ AC_DEFINE(GSSAPI) K5LIBS="-lgssapi $K5LIBS" ], [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context, [ AC_DEFINE(GSSAPI) K5LIBS="-lgssapi_krb5 $K5LIBS" ], AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]), $K5LIBS) ], $K5LIBS) AC_CHECK_HEADER(gssapi.h, , [ unset ac_cv_header_gssapi_h CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" AC_CHECK_HEADERS(gssapi.h, , AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail]) ) ] ) oldCPP="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" AC_CHECK_HEADER(gssapi_krb5.h, , [ CPPFLAGS="$oldCPP" ]) fi if test ! -z "$need_dash_r" ; then LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib" fi if test ! -z "$blibpath" ; then blibpath="$blibpath:${KRB5ROOT}/lib" fi AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h) AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h) AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h) LIBS="$LIBS $K5LIBS" AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS, 1, [Define this if you want to use libkafs' AFS support])) fi ] ) # Looking for programs, paths and files PRIVSEP_PATH=/var/empty AC_ARG_WITH(privsep-path, [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then PRIVSEP_PATH=$withval fi ] ) AC_SUBST(PRIVSEP_PATH) AC_ARG_WITH(xauth, [ --with-xauth=PATH Specify path to xauth program ], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then xauth_path=$withval fi ], [ TestPath="$PATH" TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin" TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11" TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin" TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin" AC_PATH_PROG(xauth_path, xauth, , $TestPath) if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then xauth_path="/usr/openwin/bin/xauth" fi ] ) STRIP_OPT=-s AC_ARG_ENABLE(strip, [ --disable-strip Disable calling strip(1) on install], [ if test "x$enableval" = "xno" ; then STRIP_OPT= fi ] ) AC_SUBST(STRIP_OPT) if test -z "$xauth_path" ; then XAUTH_PATH="undefined" AC_SUBST(XAUTH_PATH) else AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path", [Define if xauth is found in your path]) XAUTH_PATH=$xauth_path AC_SUBST(XAUTH_PATH) fi # Check for mail directory (last resort if we cannot get it from headers) if test ! -z "$MAIL" ; then maildir=`dirname $MAIL` AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir", [Set this to your mail directory if you don't have maillock.h]) fi if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test]) disable_ptmx_check=yes fi if test -z "$no_dev_ptmx" ; then if test "x$disable_ptmx_check" != "xyes" ; then AC_CHECK_FILE("/dev/ptmx", [ AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx]) have_dev_ptmx=1 ] ) fi fi if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then AC_CHECK_FILE("/dev/ptc", [ AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc]) have_dev_ptc=1 ] ) else AC_MSG_WARN([cross compiling: Disabling /dev/ptc test]) fi # Options from here on. Some of these are preset by platform above AC_ARG_WITH(mantype, [ --with-mantype=man|cat|doc Set man page type], [ case "$withval" in man|cat|doc) MANTYPE=$withval ;; *) AC_MSG_ERROR(invalid man type: $withval) ;; esac ] ) if test -z "$MANTYPE"; then TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb" AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath) if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then MANTYPE=doc elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then MANTYPE=man else MANTYPE=cat fi fi AC_SUBST(MANTYPE) if test "$MANTYPE" = "doc"; then mansubdir=man; else mansubdir=$MANTYPE; fi AC_SUBST(mansubdir) # Check whether to enable MD5 passwords MD5_MSG="no" AC_ARG_WITH(md5-passwords, [ --with-md5-passwords Enable use of MD5 passwords], [ if test "x$withval" != "xno" ; then AC_DEFINE(HAVE_MD5_PASSWORDS, 1, [Define if you want to allow MD5 passwords]) MD5_MSG="yes" fi ] ) # Whether to disable shadow password support AC_ARG_WITH(shadow, [ --without-shadow Disable shadow password support], [ if test "x$withval" = "xno" ; then AC_DEFINE(DISABLE_SHADOW) disable_shadow=yes fi ] ) if test -z "$disable_shadow" ; then AC_MSG_CHECKING([if the systems has expire shadow information]) AC_TRY_COMPILE( [ #include #include struct spwd sp; ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ], [ sp_expire_available=yes ], [] ) if test "x$sp_expire_available" = "xyes" ; then AC_MSG_RESULT(yes) AC_DEFINE(HAS_SHADOW_EXPIRE, 1, [Define if you want to use shadow password expire field]) else AC_MSG_RESULT(no) fi fi # Use ip address instead of hostname in $DISPLAY if test ! -z "$IPADDR_IN_DISPLAY" ; then DISPLAY_HACK_MSG="yes" AC_DEFINE(IPADDR_IN_DISPLAY, 1, [Define if you need to use IP address instead of hostname in $DISPLAY]) else DISPLAY_HACK_MSG="no" AC_ARG_WITH(ipaddr-display, [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY], [ if test "x$withval" != "xno" ; then AC_DEFINE(IPADDR_IN_DISPLAY) DISPLAY_HACK_MSG="yes" fi ] ) fi # check for /etc/default/login and use it if present. AC_ARG_ENABLE(etc-default-login, [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]], [ if test "x$enableval" = "xno"; then AC_MSG_NOTICE([/etc/default/login handling disabled]) etc_default_login=no else etc_default_login=yes fi ], [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then AC_MSG_WARN([cross compiling: not checking /etc/default/login]) etc_default_login=no else etc_default_login=yes fi ] ) if test "x$etc_default_login" != "xno"; then AC_CHECK_FILE("/etc/default/login", [ external_path_file=/etc/default/login ]) if test "x$external_path_file" = "x/etc/default/login"; then AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN, 1, [Define if your system has /etc/default/login]) fi fi dnl BSD systems use /etc/login.conf so --with-default-path= has no effect if test $ac_cv_func_login_getcapbool = "yes" && \ test $ac_cv_header_login_cap_h = "yes" ; then external_path_file=/etc/login.conf fi # Whether to mess with the default path SERVER_PATH_MSG="(default)" AC_ARG_WITH(default-path, [ --with-default-path= Specify default \$PATH environment for server], [ if test "x$external_path_file" = "x/etc/login.conf" ; then AC_MSG_WARN([ --with-default-path=PATH has no effect on this system. Edit /etc/login.conf instead.]) elif test "x$withval" != "xno" ; then if test ! -z "$external_path_file" ; then AC_MSG_WARN([ --with-default-path=PATH will only be used if PATH is not defined in $external_path_file .]) fi user_path="$withval" SERVER_PATH_MSG="$withval" fi ], [ if test "x$external_path_file" = "x/etc/login.conf" ; then AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf]) else if test ! -z "$external_path_file" ; then AC_MSG_WARN([ If PATH is defined in $external_path_file, ensure the path to scp is included, otherwise scp will not work.]) fi AC_RUN_IFELSE( [AC_LANG_SOURCE([[ /* find out what STDPATH is */ #include #ifdef HAVE_PATHS_H # include #endif #ifndef _PATH_STDPATH # ifdef _PATH_USERPATH /* Irix */ # define _PATH_STDPATH _PATH_USERPATH # else # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" # endif #endif #include #include #include #define DATA "conftest.stdpath" main() { FILE *fd; int rc; fd = fopen(DATA,"w"); if(fd == NULL) exit(1); if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0) exit(1); exit(0); } ]])], [ user_path=`cat conftest.stdpath` ], [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ], [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ] ) # make sure $bindir is in USER_PATH so scp will work t_bindir=`eval echo ${bindir}` case $t_bindir in NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;; esac case $t_bindir in NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;; esac echo $user_path | grep ":$t_bindir" > /dev/null 2>&1 if test $? -ne 0 ; then echo $user_path | grep "^$t_bindir" > /dev/null 2>&1 if test $? -ne 0 ; then user_path=$user_path:$t_bindir AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work) fi fi fi ] ) if test "x$external_path_file" != "x/etc/login.conf" ; then AC_DEFINE_UNQUOTED(USER_PATH, "$user_path", [Specify default $PATH]) AC_SUBST(user_path) fi # Set superuser path separately to user path AC_ARG_WITH(superuser-path, [ --with-superuser-path= Specify different path for super-user], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval", [Define if you want a different $PATH for the superuser]) superuser_path=$withval fi ] ) AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses]) IPV4_IN6_HACK_MSG="no" AC_ARG_WITH(4in6, [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses], [ if test "x$withval" != "xno" ; then AC_MSG_RESULT(yes) AC_DEFINE(IPV4_IN_IPV6, 1, [Detect IPv4 in IPv6 mapped addresses and treat as IPv4]) IPV4_IN6_HACK_MSG="yes" else AC_MSG_RESULT(no) fi ],[ if test "x$inet6_default_4in6" = "xyes"; then AC_MSG_RESULT([yes (default)]) AC_DEFINE(IPV4_IN_IPV6) IPV4_IN6_HACK_MSG="yes" else AC_MSG_RESULT([no (default)]) fi ] ) # Whether to enable BSD auth support BSD_AUTH_MSG=no AC_ARG_WITH(bsd-auth, [ --with-bsd-auth Enable BSD auth support], [ if test "x$withval" != "xno" ; then AC_DEFINE(BSD_AUTH, 1, [Define if you have BSD auth support]) BSD_AUTH_MSG=yes fi ] ) # Where to place sshd.pid piddir=/var/run # make sure the directory exists if test ! -d $piddir ; then piddir=`eval echo ${sysconfdir}` case $piddir in NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;; esac fi AC_ARG_WITH(pid-dir, [ --with-pid-dir=PATH Specify location of ssh.pid file], [ if test -n "$withval" && test "x$withval" != "xno" && \ test "x${withval}" != "xyes"; then piddir=$withval if test ! -d $piddir ; then AC_MSG_WARN([** no $piddir directory on this system **]) fi fi ] ) AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir", [Specify location of ssh.pid]) AC_SUBST(piddir) dnl allow user to disable some login recording features AC_ARG_ENABLE(lastlog, [ --disable-lastlog disable use of lastlog even if detected [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_LASTLOG) fi ] ) AC_ARG_ENABLE(utmp, [ --disable-utmp disable use of utmp even if detected [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_UTMP) fi ] ) AC_ARG_ENABLE(utmpx, [ --disable-utmpx disable use of utmpx even if detected [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_UTMPX, 1, [Define if you don't want to use utmpx]) fi ] ) AC_ARG_ENABLE(wtmp, [ --disable-wtmp disable use of wtmp even if detected [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_WTMP) fi ] ) AC_ARG_ENABLE(wtmpx, [ --disable-wtmpx disable use of wtmpx even if detected [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_WTMPX, 1, [Define if you don't want to use wtmpx]) fi ] ) AC_ARG_ENABLE(libutil, [ --disable-libutil disable use of libutil (login() etc.) [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_LOGIN) fi ] ) AC_ARG_ENABLE(pututline, [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_PUTUTLINE, 1, [Define if you don't want to use pututline() etc. to write [uw]tmp]) fi ] ) AC_ARG_ENABLE(pututxline, [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]], [ if test "x$enableval" = "xno" ; then AC_DEFINE(DISABLE_PUTUTXLINE, 1, [Define if you don't want to use pututxline() etc. to write [uw]tmpx]) fi ] ) AC_ARG_WITH(lastlog, [ --with-lastlog=FILE|DIR specify lastlog location [common locations]], [ if test "x$withval" = "xno" ; then AC_DEFINE(DISABLE_LASTLOG) elif test -n "$withval" && test "x${withval}" != "xyes"; then conf_lastlog_location=$withval fi ] ) dnl lastlog, [uw]tmpx? detection dnl NOTE: set the paths in the platform section to avoid the dnl need for command-line parameters dnl lastlog and [uw]tmp are subject to a file search if all else fails dnl lastlog detection dnl NOTE: the code itself will detect if lastlog is a directory AC_MSG_CHECKING([if your system defines LASTLOG_FILE]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_LASTLOG_H # include #endif #ifdef HAVE_PATHS_H # include #endif #ifdef HAVE_LOGIN_H # include #endif ], [ char *lastlog = LASTLOG_FILE; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_CHECKING([if your system defines _PATH_LASTLOG]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_LASTLOG_H # include #endif #ifdef HAVE_PATHS_H # include #endif ], [ char *lastlog = _PATH_LASTLOG; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) system_lastlog_path=no ]) ] ) if test -z "$conf_lastlog_location"; then if test x"$system_lastlog_path" = x"no" ; then for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do if (test -d "$f" || test -f "$f") ; then conf_lastlog_location=$f fi done if test -z "$conf_lastlog_location"; then AC_MSG_WARN([** Cannot find lastlog **]) dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx fi fi fi if test -n "$conf_lastlog_location"; then AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location", [Define if you want to specify the path to your lastlog file]) fi dnl utmp detection AC_MSG_CHECKING([if your system defines UTMP_FILE]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_PATHS_H # include #endif ], [ char *utmp = UTMP_FILE; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) system_utmp_path=no ] ) if test -z "$conf_utmp_location"; then if test x"$system_utmp_path" = x"no" ; then for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do if test -f $f ; then conf_utmp_location=$f fi done if test -z "$conf_utmp_location"; then AC_DEFINE(DISABLE_UTMP) fi fi fi if test -n "$conf_utmp_location"; then AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location", [Define if you want to specify the path to your utmp file]) fi dnl wtmp detection AC_MSG_CHECKING([if your system defines WTMP_FILE]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_PATHS_H # include #endif ], [ char *wtmp = WTMP_FILE; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) system_wtmp_path=no ] ) if test -z "$conf_wtmp_location"; then if test x"$system_wtmp_path" = x"no" ; then for f in /usr/adm/wtmp /var/log/wtmp; do if test -f $f ; then conf_wtmp_location=$f fi done if test -z "$conf_wtmp_location"; then AC_DEFINE(DISABLE_WTMP) fi fi fi if test -n "$conf_wtmp_location"; then AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location", [Define if you want to specify the path to your wtmp file]) fi dnl utmpx detection - I don't know any system so perverse as to require dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out dnl there, though. AC_MSG_CHECKING([if your system defines UTMPX_FILE]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_UTMPX_H #include #endif #ifdef HAVE_PATHS_H # include #endif ], [ char *utmpx = UTMPX_FILE; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) system_utmpx_path=no ] ) if test -z "$conf_utmpx_location"; then if test x"$system_utmpx_path" = x"no" ; then AC_DEFINE(DISABLE_UTMPX) fi else AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location", [Define if you want to specify the path to your utmpx file]) fi dnl wtmpx detection AC_MSG_CHECKING([if your system defines WTMPX_FILE]) AC_TRY_COMPILE([ #include #include #ifdef HAVE_UTMPX_H #include #endif #ifdef HAVE_PATHS_H # include #endif ], [ char *wtmpx = WTMPX_FILE; ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) system_wtmpx_path=no ] ) if test -z "$conf_wtmpx_location"; then if test x"$system_wtmpx_path" = x"no" ; then AC_DEFINE(DISABLE_WTMPX) fi else AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location", [Define if you want to specify the path to your wtmpx file]) fi if test ! -z "$blibpath" ; then LDFLAGS="$LDFLAGS $blibflags$blibpath" AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile]) fi dnl remove pam and dl because they are in $LIBPAM if test "$PAM_MSG" = yes ; then LIBS=`echo $LIBS | sed 's/-lpam //'` fi if test "$ac_cv_lib_pam_pam_set_item" = yes ; then LIBS=`echo $LIBS | sed 's/-ldl //'` fi dnl Adding -Werror to CFLAGS early prevents configure tests from running. dnl Add now. CFLAGS="$CFLAGS $werror_flags" AC_EXEEXT AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openbsd-compat/Makefile \ scard/Makefile ssh_prng_cmds survey.sh]) AC_OUTPUT # Print summary of options # Someone please show me a better way :) A=`eval echo ${prefix}` ; A=`eval echo ${A}` B=`eval echo ${bindir}` ; B=`eval echo ${B}` C=`eval echo ${sbindir}` ; C=`eval echo ${C}` D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}` E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}` F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}` G=`eval echo ${piddir}` ; G=`eval echo ${G}` H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}` I=`eval echo ${user_path}` ; I=`eval echo ${I}` J=`eval echo ${superuser_path}` ; J=`eval echo ${J}` echo "" echo "OpenSSH has been configured with the following options:" echo " User binaries: $B" echo " System binaries: $C" echo " Configuration files: $D" echo " Askpass program: $E" echo " Manual pages: $F" echo " PID file: $G" echo " Privilege separation chroot path: $H" if test "x$external_path_file" = "x/etc/login.conf" ; then echo " At runtime, sshd will use the path defined in $external_path_file" echo " Make sure the path to scp is present, otherwise scp will not work" else echo " sshd default user PATH: $I" if test ! -z "$external_path_file"; then echo " (If PATH is set in $external_path_file it will be used instead. If" echo " used, ensure the path to scp is present, otherwise scp will not work.)" fi fi if test ! -z "$superuser_path" ; then echo " sshd superuser user PATH: $J" fi echo " Manpage format: $MANTYPE" echo " PAM support: $PAM_MSG" echo " KerberosV support: $KRB5_MSG" echo " Smartcard support: $SCARD_MSG" echo " S/KEY support: $SKEY_MSG" echo " TCP Wrappers support: $TCPW_MSG" echo " MD5 password support: $MD5_MSG" echo " libedit support: $LIBEDIT_MSG" echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG" echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG" echo " BSD Auth support: $BSD_AUTH_MSG" echo " Random number source: $RAND_MSG" if test ! -z "$USE_RAND_HELPER" ; then echo " ssh-rand-helper collects from: $RAND_HELPER_MSG" fi echo "" echo " Host: ${host}" echo " Compiler: ${CC}" echo " Compiler flags: ${CFLAGS}" echo "Preprocessor flags: ${CPPFLAGS}" echo " Linker flags: ${LDFLAGS}" echo " Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}" echo "" if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then echo "SVR4 style packages are supported with \"make package\"" echo "" fi if test "x$PAM_MSG" = "xyes" ; then echo "PAM is enabled. You may need to install a PAM control file " echo "for sshd, otherwise password authentication may fail. " echo "Example PAM control files can be found in the contrib/ " echo "subdirectory" echo "" fi if test ! -z "$RAND_HELPER_CMDHASH" ; then echo "WARNING: you are using the builtin random number collection " echo "service. Please read WARNING.RNG and request that your OS " echo "vendor includes kernel-based random number collection in " echo "future versions of your OS." echo "" fi if test ! -z "$NO_PEERCHECK" ; then echo "WARNING: the operating system that you are using does not " echo "appear to support either the getpeereid() API nor the " echo "SO_PEERCRED getsockopt() option. These facilities are used to " echo "enforce security checks to prevent unauthorised connections to " echo "ssh-agent. Their absence increases the risk that a malicious " echo "user can connect to your agent. " echo "" fi if test "$AUDIT_MODULE" = "bsm" ; then echo "WARNING: BSM audit support is currently considered EXPERIMENTAL." echo "See the Solaris section in README.platform for details." fi