Hi, Richard and Mark, Thanks for your reply.
>Subject: Re: [OE-core] [PATCH] base-files: Fix LSB NG Cases. > >On 9/1/15 4:13 PM, Richard Purdie wrote: >> On Thu, 2015-06-04 at 16:52 +0800, Li xin wrote: >>> -/tset/LSB.fhs/var/tmp/tmp-tc. >>> >>> The LSB Core test requires the /var/tmp directory supports creation of >>> files. >>> And the mount tmpfs on /var/volatile cause the /var/tmp directory >>> can't be writable for non-root users. >> >> This change doesn't look correct to me, its a pretty fundamental >> change to the way the system operates and certainly needs more thought >> and justification than the few lines above. >> >> Surely if its a non-root users issue, the problem is permissions, not >> the tmpfs anyway? > >I agree.. How is /var/volatile mounted in your environment? > >/var/volatile should be mounted as a tmpfs with default root only permissions. >(basefiles: fstab) > >A directory, /var/volatile/tmp should be constructed (after volatile is >mounted) with >perms 01777. (initscripts: populate-volatile.sh) > >/var/tmp should be a symbolic link to /var/volatile/tmp. >(meta/files/fs-perms.txt) > >All of this will result in a /var/tmp that permits any user to write to it (as >it should), >but keep it in the volatile area. > >You should figure out what part of this is not working properly. (If I had to >guess it's >the mount of the volatile and create of the tmp dir is not working for you -- >or you >have a system where the default mount rules / init scripts have been modified >in >some way.) > On my system: root # cat /etc/fstab # stock fstab - you probably want to override this with a machine specific one /dev/root / auto defaults 1 1 proc /proc proc defaults 0 0 devpts /dev/pts devpts mode=0620,gid=5 0 0 usbdevfs /proc/bus/usb usbdevfs noauto 0 0 tmpfs /run tmpfs mode=0755,nodev,nosuid,strictatime 0 0 tmpfs /var/volatile tmpfs defaults 0 0 # uncomment this if your device has a SD/MMC/Transflash slot #/dev/mmcblk0p1 /media/card auto defaults,sync,noauto 0 0 root # root # ls /var/tmp -ld lrwxrwxrwx 1 root root 12 Aug 24 09:24 /var/tmp -> volatile/tmp root # ls /var/tmp/ -ld drwxr-xr-x 3 root root 60 Sep 1 08:11 /var/tmp/ root # This will permit non-root users to write to /var/tmp/ dir, But the LSB test requires it can be writable for non-root users. So the test result is FAIL. Regards, Li >> >>> Signed-off-by: Li Xin <[email protected]> >>> --- >>> meta/recipes-core/base-files/base-files/fstab | 1 - >>> 1 file changed, 1 deletion(-) >>> >>> diff --git a/meta/recipes-core/base-files/base-files/fstab >>> b/meta/recipes-core/base-files/base-files/fstab >>> index d79a016..458ec70 100644 >>> --- a/meta/recipes-core/base-files/base-files/fstab >>> +++ b/meta/recipes-core/base-files/base-files/fstab >>> @@ -4,7 +4,6 @@ >>> proc /proc proc defaults >0 0 >>> devpts /dev/pts devpts >mode=0620,gid=5 0 0 >>> tmpfs /run tmpfs >mode=0755,nodev,nosuid,strictatime 0 0 >>> -tmpfs /var/volatile tmpfs defaults >0 0 >>> >>> # uncomment this if your device has a SD/MMC/Transflash slot >>> #/dev/mmcblk0p1 /media/card auto >defaults,sync,noauto 0 0 >>> -- >>> 1.8.4.2 >>> >> >> > >-- >_______________________________________________ >Openembedded-core mailing list >[email protected] >http://lists.openembedded.org/mailman/listinfo/openembedded-core -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
