remove exec bit from kojid logs and uploaded files (patch by Enrico Scholz)

builder/kojid

@@ -109,7 +109,7 @@ def log_output(path, args, outfile, uploadpath, cwd=None, logerror=0, append=0,
             flags = os.O_CREAT | os.O_WRONLY
             if append:
                 flags |= os.O_APPEND
-            fd = os.open(outfile, flags)
+            fd = os.open(outfile, flags, 0666)
             os.dup2(fd, 1)
             if logerror:
                 os.dup2(fd, 2)

hub/kojihub.py

@@ -3963,7 +3963,7 @@ class RootExports(object):
             # elif offset == 0:
             #     #first chunk, so file should not exist yet
             #     raise koji.GenericError, "file already exists: %s" % fn
-        fd = os.open(fn, os.O_RDWR | os.O_CREAT)
+        fd = os.open(fn, os.O_RDWR | os.O_CREAT, 0666)
         # log_error("fd=%r" %fd)
         try:
             if offset == 0 or (offset == -1 and size == len(contents)):