diff options
-rw-r--r-- | src/guestfs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/guestfs.c b/src/guestfs.c index 1439361d..85a042a0 100644 --- a/src/guestfs.c +++ b/src/guestfs.c @@ -982,6 +982,14 @@ guestfs__launch (guestfs_h *g) } } + /* Allow anyone to read the temporary directory. There are no + * secrets in the kernel or initrd files. The socket in this + * directory won't be readable but anyone can see it exists if they + * want. (RHBZ#610880). + */ + if (chmod (g->tmpdir, 0755) == -1) + fprintf (stderr, "chmod: %s: %m (ignored)\n", g->tmpdir); + /* First search g->path for the supermin appliance, and try to * synthesize a kernel and initrd from that. If it fails, we * try the path search again looking for a backup ordinary @@ -1590,7 +1598,11 @@ build_supermin_appliance (guestfs_h *g, const char *path, *initrd = safe_malloc (g, len + 8); snprintf (*initrd, len+8, "%s/initrd", g->tmpdir); + /* Set a sensible umask in the subprocess, so kernel and initrd + * output files are world-readable (RHBZ#610880). + */ snprintf (cmd, sizeof cmd, + "umask 0002; " "febootstrap-supermin-helper%s " "-k '%s/kmod.whitelist' " "'%s/supermin.d' " |