On Fri, 2016-08-12 at 12:33 +0000, Kumar, Shrawan wrote:
> Hello All,
>
> I am using poky “ jethro” , and though one of my recipe, I have
> created user1 & user2 and then trying to set ACL rules on
> “helloworld” bin as below :
>
>
> do_install() {
> install -d ${D}${bindir}
> install -m 0700 helloworld ${D}${bindir}
> install -d ${D}/lib/systemd/system
> install -m 0700 hello.service
> ${D}/lib/systemd/system/
> chown user1:group1 ${D}${bindir}/helloworld
> setfacl -m u:user2:r-- ${D}${bindir}/helloworld
> }
>
>
> è When I see on the devshell ( bitbake HelloWorld –c devshell) :
> poky/build_qemux86/tmp/work/qemux86-poky-linux/core-image-
> minimal/1.0-r0/rootfs/usr/bin# getfacl helloworld , I could see
> that ACL permissions are set correctly as below :
> - # file: helloworld
> - # owner: user1
> - # group: group1
> - user::rwx
> - user:user2:r--
> - group::---
> - mask::r--
> - other::---
>
> However, It does not seems to be getting preserved in rootfs. :
> /poky/build_qemux86/tmp/work/qemux86-poky-linux/core-image-
> minimal/1.0-r0/rootfs/usr/bin# getfacl helloworld
> # file: helloworld
> # owner: user1
> # group: group1
> user::rwx
> group::---
> other::---
>
> quick help here would be highly appreciated
This is due to the fact that we don't currently have a mechanism to
preserve xattr through to image construction[1].
The largest barrier for doig so is that the package managers (certainly
dpkg and rpm) don't have any support for xattrs in packages (an image
is populated via the package manager).
To the best of my knowledge the only option for adding some xattr/ACL
is to use a postinst[2] to set the attributes after the package has
been installed.
Regards,
Joshua
1. https://bugzilla.yoctoproject.org/show_bug.cgi?id=9858
2. http://www.yoctoproject.org/docs/2.1/dev-manual/dev-manual.html#new-
recipe-post-installation-scripts
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