Add check for inet_ntoa() since it may live in libnsl.

Make getcwd() replacement private to the SunOS 4 section.

config.h.in

@@ -262,6 +262,9 @@
 /* Define to 1 if your Kerberos is Heimdal. */
 #undef HAVE_HEIMDAL
 
+/* Define to 1 if you have the `inet_ntoa' function. */
+#undef HAVE_INET_NTOA
+
 /* Define to 1 if you have the `inet_pton' function. */
 #undef HAVE_INET_PTON
 

configure

@@ -636,10 +636,10 @@ ac_includes_default="\
 ac_c_werror_flag=
 ac_subst_vars='LTLIBOBJS
 KRB5CONFIG
-LIBOBJS
 FLEX
 YFLAGS
 YACC
+LIBOBJS
 NROFFPROG
 MANDOCPROG
 TRPROG
@@ -14262,7 +14262,20 @@ case "$host" in
 		RTLD_PRELOAD_DELIM=" "
 
 		# getcwd(3) opens a pipe to getpwd(1)!?!
-		BROKEN_GETCWD=1
+		ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
+if test "x$ac_cv_func_getcwd" = xyes; then :
+  $as_echo "#define HAVE_GETCWD 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" getcwd.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS getcwd.$ac_objext"
+ ;;
+esac
+
+fi
+
+
 
 		# system headers lack prototypes but gcc helps...
 		if test -n "$GCC"; then
@@ -17804,22 +17817,6 @@ done
 fi
 done
 
-fi
-if test -z "$BROKEN_GETCWD"; then
-    ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
-if test "x$ac_cv_func_getcwd" = xyes; then :
-  $as_echo "#define HAVE_GETCWD 1" >>confdefs.h
-
-else
-  case " $LIBOBJS " in
-  *" getcwd.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS getcwd.$ac_objext"
- ;;
-esac
-
-fi
-
-
 fi
 for ac_func in lockf flock
 do :
@@ -18932,6 +18929,84 @@ $as_echo "no" >&6; }
 
 fi
 
+ac_fn_c_check_func "$LINENO" "inet_ntoa" "ac_cv_func_inet_ntoa"
+if test "x$ac_cv_func_inet_ntoa" = xyes; then :
+  $as_echo "#define HAVE_INET_NTOA 1" >>confdefs.h
+
+else
+
+    for libs in "-lsocket" "-linet" "-lsocket -lnsl" "-lresolv"; do
+	_libs=
+	for lib in $libs; do
+	    case "$NET_LIBS" in
+		*"$lib"*)   ;;
+		*)		_libs="$_libs $lib";;
+	    esac
+	done
+	libs="${_libs# }"
+	test -z "$libs" && continue
+	lib="`echo \"$libs\"|sed -e 's/^-l//' -e 's/ .*$//'`"
+	extralibs="`echo \"$libs\"|sed 's/^-l[^ ]*//'`"
+
+    _sudo_check_lib_extras=`echo "$extralibs"|sed -e 's/ 	*//g' -e 's/-l/_/g'`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -l$lib${5+ }$extralibs" >&5
+$as_echo_n "checking for inet_ntoa in -l$lib${5+ }$extralibs... " >&6; }
+    if { as_var=sudo_cv_lib_$lib''_inet_ntoa$_sudo_check_lib_extras; eval \${$as_var+:} false; }; then :
+  $as_echo_n "(cached) " >&6
+else
+
+	SUDO_CHECK_LIB_OLIBS="$LIBS"
+	LIBS="$LIBS -l$lib${5+ }$extralibs"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char inet_ntoa ();
+int
+main ()
+{
+return inet_ntoa ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval sudo_cv_lib_$lib''_inet_ntoa$_sudo_check_lib_extras=yes
+else
+  eval sudo_cv_lib_$lib''_inet_ntoa$_sudo_check_lib_extras=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+	LIBS="$SUDO_CHECK_LIB_OLIBS"
+
+fi
+
+    if eval test \$sudo_cv_lib_$lib''_inet_ntoa$_sudo_check_lib_extras = "yes"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+	    $as_echo "#define HAVE_INET_NTOA 1" >>confdefs.h
+
+	    NET_LIBS="${NET_LIBS} $libs"
+	    LIBS="${LIBS} $libs"
+	    break
+
+    else
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+    fi
+
+    done
+
+fi
+
 ac_fn_c_check_func "$LINENO" "inet_pton" "ac_cv_func_inet_pton"
 if test "x$ac_cv_func_inet_pton" = xyes; then :
   $as_echo "#define HAVE_INET_PTON 1" >>confdefs.h
@@ -24964,5 +25039,6 @@ fi
 
 
 
+
 
 

configure.ac

@@ -1637,7 +1637,7 @@ case "$host" in
 		RTLD_PRELOAD_DELIM=" "
 
 		# getcwd(3) opens a pipe to getpwd(1)!?!
-		BROKEN_GETCWD=1
+		AC_REPLACE_FUNCS(getcwd)
 
 		# system headers lack prototypes but gcc helps...
 		if test -n "$GCC"; then
@@ -2455,9 +2455,6 @@ AC_CHECK_FUNCS(seteuid)
 if test X"$with_interfaces" != X"no"; then
     AC_CHECK_FUNCS(getifaddrs, [AC_CHECK_FUNCS(freeifaddrs)])
 fi
-if test -z "$BROKEN_GETCWD"; then
-    AC_REPLACE_FUNCS(getcwd)
-fi
 AC_CHECK_FUNCS(lockf flock, [break])
 AC_CHECK_FUNCS(innetgr _innetgr, [AC_CHECK_FUNCS(getdomainname) [break]])
 AC_CHECK_FUNCS(utimes, [AC_CHECK_FUNCS(futimes futimesat, [break])], [AC_CHECK_FUNCS(futime) AC_LIBOBJ(utimes)])
@@ -2597,6 +2594,32 @@ AC_CHECK_FUNC(socket, [], [
     done
 ])
 dnl
+dnl If inet_ntoa(3) not in libc, check -lnsl and -linet
+dnl May need to link with *both* -lnsl and -lsocket due to unresolved symbols
+dnl Some systems may have inet_ntoa() in libresolv.
+dnl
+AC_CHECK_FUNC(inet_ntoa, [AC_DEFINE(HAVE_INET_NTOA)], [
+    for libs in "-lsocket" "-linet" "-lsocket -lnsl" "-lresolv"; do
+	_libs=
+	for lib in $libs; do
+	    case "$NET_LIBS" in
+		*"$lib"*)   ;;
+		*)		_libs="$_libs $lib";;
+	    esac
+	done
+	libs="${_libs# }"
+	test -z "$libs" && continue
+	lib="`echo \"$libs\"|sed -e 's/^-l//' -e 's/ .*$//'`"
+	extralibs="`echo \"$libs\"|sed 's/^-l[[^ ]]*//'`"
+	SUDO_CHECK_LIB($lib, inet_ntoa, [
+	    AC_DEFINE(HAVE_INET_NTOA)
+	    NET_LIBS="${NET_LIBS} $libs"
+	    LIBS="${LIBS} $libs"
+	    break
+	], [], [$extralibs])
+    done
+])
+dnl
 dnl If inet_pton(3) not in libc, check -lnsl and -linet
 dnl May need to link with *both* -lnsl and -lsocket due to unresolved symbols
 dnl Some systems may have inet_pton() in libresolv.
@@ -3923,6 +3946,7 @@ AH_TEMPLATE(HAVE_GETSPNAM, [Define to 1 if you have the `getspnam' function (SVR
 AH_TEMPLATE(HAVE_GETSPWUID, [Define to 1 if you have the `getspwuid' function. (HP-UX <= 9.X shadow passwords).])
 AH_TEMPLATE(HAVE_GSS_KRB5_CCACHE_NAME, [Define to 1 if you have the `gss_krb5_ccache_name' function.])
 AH_TEMPLATE(HAVE_HEIMDAL, [Define to 1 if your Kerberos is Heimdal.])
+AH_TEMPLATE(HAVE_INET_NTOA, [Define to 1 if you have the `inet_ntoa' function.])
 AH_TEMPLATE(HAVE_INET_PTON, [Define to 1 if you have the `inet_pton' function.])
 AH_TEMPLATE(HAVE_ISCOMSEC, [Define to 1 if you have the `iscomsec' function. (HP-UX >= 10.x check for shadow enabled).])
 AH_TEMPLATE(HAVE_ISSECURE, [Define to 1 if you have the `issecure' function. (SunOS 4.x check for shadow enabled).])

plugins/sudoers/Makefile.in

@@ -53,7 +53,7 @@ LT_LIBS = $(top_builddir)/lib/util/libsudo_util.la
 LIBS = $(LT_LIBS) @LIBINTL@
 NET_LIBS = @NET_LIBS@
 SUDOERS_LIBS = @SUDOERS_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) @ZLIB@ @LIBMD@
-REPLAY_LIBS = @REPLAY_LIBS@ @ZLIB@
+REPLAY_LIBS = @REPLAY_LIBS@ $(NET_LIBS) @ZLIB@
 VISUDO_LIBS = $(NET_LIBS) @LIBMD@
 TESTSUDOERS_LIBS = $(NET_LIBS) @LIBMD@