4 files changed, 7 insertions, 4 deletions
diff --git a/libc/stdlib/mkdtemp.c b/libc/stdlib/mkdtemp.c
index fa9ae3b05..2bf15ae06 100644
--- a/libc/stdlib/mkdtemp.c
+++ b/libc/stdlib/mkdtemp.c
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 #include "../misc/internals/tempname.h"
 
 #ifdef __USE_BSD
@@ -29,7 +30,7 @@
    (This function comes from OpenBSD.) */
 char * mkdtemp (char *template)
 {
-  if (__gen_tempname (template, __GT_DIR))
+  if (__gen_tempname (template, __GT_DIR, S_IRUSR | S_IWUSR | S_IXUSR))
     return NULL;
   else
     return template;
diff --git a/libc/stdlib/mkstemp.c b/libc/stdlib/mkstemp.c
index c569ceaf5..ce7d7dba0 100644
--- a/libc/stdlib/mkstemp.c
+++ b/libc/stdlib/mkstemp.c
@@ -18,6 +18,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 #include "../misc/internals/tempname.h"
 
 /* Generate a unique temporary file name from TEMPLATE.
@@ -26,5 +27,5 @@
    Then open the file and return a fd. */
 int mkstemp (char *template)
 {
-    return __gen_tempname (template, __GT_FILE);
+    return __gen_tempname (template, __GT_FILE, S_IRUSR | S_IWUSR);
 }
diff --git a/libc/stdlib/mkstemp64.c b/libc/stdlib/mkstemp64.c
index 02a03f00e..2cdee70a2 100644
--- a/libc/stdlib/mkstemp64.c
+++ b/libc/stdlib/mkstemp64.c
@@ -18,6 +18,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 #include "../misc/internals/tempname.h"
 
 /* Generate a unique temporary file name from TEMPLATE.
@@ -26,5 +27,5 @@
    Then open the file and return a fd. */
 int mkstemp64 (char *template)
 {
-    return __gen_tempname (template, __GT_BIGFILE);
+    return __gen_tempname (template, __GT_BIGFILE, S_IRUSR | S_IWUSR);
 }
diff --git a/libc/stdlib/mktemp.c b/libc/stdlib/mktemp.c
index f3af1c15c..3c922e328 100644
--- a/libc/stdlib/mktemp.c
+++ b/libc/stdlib/mktemp.c
@@ -25,7 +25,7 @@
  * they are replaced with a string that makes the filename unique.  */
 char *mktemp(char *template)
 {
-	if (__gen_tempname (template, __GT_NOCREATE) < 0)
+	if (__gen_tempname (template, __GT_NOCREATE, 0) < 0)
 		/* We return the null string if we can't find a unique file name.  */
 		template[0] = '\0';