1 files changed, 72 insertions, 23 deletions

diff --git a/configure.ac b/configure.ac
index 18c7ca896..a9eb8e76d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.372 2007/03/05 00:51:27 djm Exp $
+# $Id: configure.ac,v 1.383 2007/08/10 04:36:12 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
-AC_REVISION($Revision: 1.372 $)
+AC_REVISION($Revision: 1.383 $)
 AC_CONFIG_SRCDIR([ssh.c])
 
 AC_CONFIG_HEADER(config.h)
@@ -94,9 +94,12 @@ 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.*) ;;
+                1.*) no_attrib_nonnull=1 ;;
+                2.8* | 2.9*)
+                     CFLAGS="$CFLAGS -Wsign-compare"
+                     no_attrib_nonnull=1
+                     ;;
+                2.*) no_attrib_nonnull=1 ;;
                 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
                 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
                 *) ;;
@@ -115,6 +118,10 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
         fi
 fi
 
+if test "x$no_attrib_nonnull" != "x1" ; then
+        AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
+fi
+
 AC_ARG_WITH(rpath,
         [  --without-rpath         Disable auto-added -R linker paths],
         [
@@ -198,6 +205,7 @@ AC_CHECK_HEADERS( \
         netgroup.h \
         pam/pam_appl.h \
         paths.h \
+        poll.h \
         pty.h \
         readpassphrase.h \
         rpc/types.h \
@@ -229,6 +237,7 @@ AC_CHECK_HEADERS( \
         time.h \
         tmpdir.h \
         ttyent.h \
+        ucred.h \
         unistd.h \
         usersec.h \
         util.h \
@@ -801,6 +810,11 @@ mips-sony-bsd|mips-sony-newsos4)
         AC_DEFINE(DISABLE_LASTLOG)
         AC_DEFINE(SSHD_ACQUIRES_CTTY)
         enable_etc_default_login=no     # has incompatible /etc/default/login
+        case "$host" in
+        *-*-nto-qnx6*)
+                AC_DEFINE(DISABLE_FD_PASSING)
+                ;;
+        esac
         ;;
 
 *-*-ultrix*)
@@ -1133,8 +1147,7 @@ AC_ARG_WITH(tcp-wrappers,
                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
                                 fi
                         fi
-                        LIBWRAP="-lwrap"
-                        LIBS="$LIBWRAP $LIBS"
+                        LIBS="-lwrap $LIBS"
                         AC_MSG_CHECKING(for libwrap)
                         AC_TRY_LINK(
                                 [
@@ -1150,7 +1163,7 @@ AC_ARG_WITH(tcp-wrappers,
                                         AC_DEFINE(LIBWRAP, 1,
                                                 [Define if you want
                                                 TCP Wrappers support])
-                                        AC_SUBST(LIBWRAP)
+                                        SSHDLIBS="$SSHDLIBS -lwrap"
                                         TCPW_MSG="yes"
                                 ],
                                 [
@@ -1265,6 +1278,7 @@ AC_CHECK_FUNCS( \
         getnameinfo \
         getopt \
         getpeereid \
+        getpeerucred \
         _getpty \
         getrlimit \
         getttyent \
@@ -1283,6 +1297,7 @@ AC_CHECK_FUNCS( \
         ogetaddrinfo \
         openlog_r \
         openpty \
+        poll \
         prctl \
         pstat \
         readpassphrase \
@@ -1316,6 +1331,7 @@ AC_CHECK_FUNCS( \
         strtonum \
         strtoll \
         strtoul \
+        swap32 \
         sysconf \
         tcgetpgrp \
         truncate \
@@ -1388,6 +1404,14 @@ AC_CHECK_DECLS(writev, , , [
 #include <unistd.h>
         ])
 
+AC_CHECK_DECLS(MAXSYMLINKS, , , [
+#include <sys/param.h>
+        ])
+
+AC_CHECK_DECLS(offsetof, , , [
+#include <stddef.h>
+        ])
+
 AC_CHECK_FUNCS(setresuid, [
         dnl Some platorms have setresuid that isn't implemented, test for this
         AC_MSG_CHECKING(if setresuid seems to work)
@@ -1513,7 +1537,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
 
 # Check for missing getpeereid (or equiv) support
 NO_PEERCHECK=""
-if test "x$ac_cv_func_getpeereid" != "xyes" ; then
+if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
         AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
         AC_TRY_COMPILE(
                 [#include <sys/types.h>
@@ -2001,7 +2025,12 @@ fi
 # Search for SHA256 support in libc and/or OpenSSL
 AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
 
-AC_CHECK_LIB(iaf, ia_openinfo)
+saved_LIBS="$LIBS"
+AC_CHECK_LIB(iaf, ia_openinfo, [
+        LIBS="$LIBS -liaf"
+        AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"])
+])
+LIBS="$saved_LIBS"
 
 ### Configure cryptographic random number support
 
@@ -2051,7 +2080,7 @@ AC_ARG_WITH(pam,
 
                         PAM_MSG="yes"
 
-                        LIBPAM="-lpam"
+                        SSHDLIBS="$SSHDLIBS -lpam"
                         AC_DEFINE(USE_PAM, 1,
                                 [Define if you want to enable PAM support])
 
@@ -2061,11 +2090,10 @@ AC_ARG_WITH(pam,
                                         # libdl already in LIBS
                                         ;;
                                 *)
-                                        LIBPAM="$LIBPAM -ldl"
+                                        SSHDLIBS="$SSHDLIBS -ldl"
                                         ;;
                                 esac
                         fi
-                        AC_SUBST(LIBPAM)
                 fi
         ]
 )
@@ -3174,25 +3202,43 @@ int main()
                         [#include <arpa/nameser.h>])
         ])
 
+AC_MSG_CHECKING(if struct __res_state _res is an extern)
+AC_LINK_IFELSE([
+#include <stdio.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+extern struct __res_state _res;
+int main() { return 0; }
+                ],
+                [AC_MSG_RESULT(yes)
+                 AC_DEFINE(HAVE__RES_EXTERN, 1,
+                    [Define if you have struct __res_state _res as an extern])
+                ],
+                [ AC_MSG_RESULT(no) ]
+)
+
 # Check whether user wants SELinux support
 SELINUX_MSG="no"
 LIBSELINUX=""
 AC_ARG_WITH(selinux,
         [  --with-selinux   Enable SELinux support],
         [ if test "x$withval" != "xno" ; then
+                save_LIBS="$LIBS"
                 AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
                 SELINUX_MSG="yes"
                 AC_CHECK_HEADER([selinux/selinux.h], ,
                     AC_MSG_ERROR(SELinux support requires selinux.h header))
                 AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux" ],
                     AC_MSG_ERROR(SELinux support requires libselinux library))
-                save_LIBS="$LIBS"
-                LIBS="$LIBS $LIBSELINUX"
+                SSHDLIBS="$SSHDLIBS $LIBSELINUX"
                 AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
                 LIBS="$save_LIBS"
         fi ]
 )
-AC_SUBST(LIBSELINUX)
 
 # Check whether user wants Kerberos 5 support
 KRB5_MSG="no"
@@ -4028,7 +4074,10 @@ echo "          Compiler: ${CC}"
 echo "    Compiler flags: ${CFLAGS}"
 echo "Preprocessor flags: ${CPPFLAGS}"
 echo "      Linker flags: ${LDFLAGS}"
-echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
+echo "         Libraries: ${LIBS}"
+if test ! -z "${SSHDLIBS}"; then
+echo "         +for sshd: ${SSHDLIBS}"
+fi
 
 echo ""
 
@@ -4054,12 +4103,12 @@ if test ! -z "$RAND_HELPER_CMDHASH" ; then
 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 "WARNING: the operating system that you are using does not"
+        echo "appear to support getpeereid(), getpeerucred() or 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