diff -Nur -x '*.orig' -x '*~' policykit-0.7/src/polkit/polkit-policy-cache.c policykit-0.7.new/src/polkit/polkit-policy-cache.c
--- policykit-0.7/src/polkit/polkit-policy-cache.c	2007-11-29 07:14:09.000000000 +0100
+++ policykit-0.7.new/src/polkit/polkit-policy-cache.c	2008-01-15 16:59:48.000000000 +0100
@@ -37,6 +37,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
+#include <sys/stat.h>
 #include <pwd.h>
 #include <grp.h>
 #include <unistd.h>
@@ -99,6 +100,7 @@
 {
         DIR *dir;
         struct dirent64 *d;
+        struct stat st;
         PolKitPolicyCache *pc;
 
         dir = NULL;
@@ -127,7 +129,7 @@
                 char *filename;
                 static const char suffix[] = ".policy";
 
-                if (d->d_type != DT_REG)
+                if (d->d_type != DT_REG && d->d_type != DT_UNKNOWN)
                         continue;
 
                 filename = d->d_name;
@@ -141,6 +143,17 @@
                         goto out;
                 }
 
+                /* we have to check if it's a regular file if readdir() could
+                 * not figure it out */
+                if (d->d_type == DT_UNKNOWN) {
+                        if (stat(path, &st) != 0) {
+                                polkit_error_set_error (error, POLKIT_ERROR_POLICY_FILE_INVALID, path);
+                                goto out;
+                        }
+                        if (!S_ISREG(st.st_mode))
+                                continue;
+                }
+
                 _pk_debug ("Loading %s", path);
                 pk_error = NULL;
                 pf = polkit_policy_file_new (path, load_descriptions, &pk_error);
diff -Nur -x '*.orig' -x '*~' policykit-0.7/src/polkit-dbus/polkit-read-auth-helper.c policykit-0.7.new/src/polkit-dbus/polkit-read-auth-helper.c
--- policykit-0.7/src/polkit-dbus/polkit-read-auth-helper.c	2007-11-29 05:33:10.000000000 +0100
+++ policykit-0.7.new/src/polkit-dbus/polkit-read-auth-helper.c	2008-01-15 16:59:58.000000000 +0100
@@ -157,6 +157,7 @@
         DIR *dir;
         int dfd;
         struct dirent64 *d;
+        struct stat st;
         polkit_bool_t ret;
 
         ret = FALSE;
@@ -183,7 +184,7 @@
                 static const char suffix[] = ".auths";
                 struct passwd *pw;
 
-                if (d->d_type != DT_REG)
+                if (d->d_type != DT_REG && d->d_type != DT_UNKNOWN)
                         continue;
 
                 if (d->d_name == NULL)
@@ -236,6 +237,18 @@
                         goto out;
                 }
 
+                /* we have to check if it's a regular file if readdir() could
+                 * not figure it out */
+                if (d->d_type == DT_UNKNOWN) {
+                        if (stat(path, &st) != 0) {
+                                fprintf (stderr, "polkit-read-auth-helper: could not stat %s: %s\n",
+                                    path, strerror (errno));
+                                goto out;
+                        }
+                        if (!S_ISREG(st.st_mode))
+                                continue;
+                }
+
                 if (!dump_auths_from_file (path, uid))
                         goto out;
         }