Stash umask in struct sudo_user so we don't need to look it up later.

plugins/sudoers/policy.c

@@ -17,6 +17,7 @@
 #include <config.h>
 
 #include <sys/types.h>
+#include <sys/stat.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #ifdef STDC_HEADERS
@@ -318,6 +319,10 @@ sudoers_policy_deserialize_info(void *v, char **runas_user, char **runas_group)
 	user_ngids = ngids;
     }
 
+    /* Stash initial umask for later use. */
+    user_umask = umask(SUDO_UMASK);
+    umask(user_umask);
+
     /* Setup debugging if indicated. */
     if (debug_flags != NULL) {
 	sudo_debug_init(NULL, debug_flags);