fix /dev/shm permissions

On my Ubuntu system, the permissions are 1777. They are incorrect in
procd, leading to this:
https://forum.openwrt.org/viewtopic.php?id=57073
This in intended for both CC and DD.

Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>

diff --git a/initd/early.c b/initd/early.c
index ccf7aab..e57ea9d 100644 (file)
--- a/initd/early.c
+++ b/initd/early.c
@@ -64,7 +64,7 @@ early_mounts(void)
        mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
        mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
        mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
        mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
        mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
        mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");

-       mkdir("/dev/shm", 0755);
+       mkdir("/dev/shm", 01777);

        mkdir("/dev/pts", 0755);
        mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
        early_dev();
        mkdir("/dev/pts", 0755);
        mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
        early_dev();

diff --git a/plug/coldplug.c b/plug/coldplug.c
index 466b759..49a2017 100644 (file)
--- a/plug/coldplug.c
+++ b/plug/coldplug.c
@@ -44,7 +44,7 @@ void procd_coldplug(void)
        umount2("/dev/pts", MNT_DETACH);
        umount2("/dev/", MNT_DETACH);
        mount("tmpfs", "/dev", "tmpfs", 0, "mode=0755,size=512K");
        umount2("/dev/pts", MNT_DETACH);
        umount2("/dev/", MNT_DETACH);
        mount("tmpfs", "/dev", "tmpfs", 0, "mode=0755,size=512K");

-       mkdir("/dev/shm", 0755);
+       mkdir("/dev/shm", 01777);

        mkdir("/dev/pts", 0755);
        mount("devpts", "/dev/pts", "devpts", 0, 0);
        udevtrigger.cb = udevtrigger_complete;
        mkdir("/dev/pts", 0755);
        mount("devpts", "/dev/pts", "devpts", 0, 0);
        udevtrigger.cb = udevtrigger_complete;