[OE-core] [PATCH 1/1] libpam: add system-auth in case of systemd

[ChenQi]

On 10/31/2014 10:59 AM, ChenQi wrote:
> On 10/30/2014 09:27 PM, Koen Kooi wrote:
>>> Op 30 okt. 2014, om 10:08 heeft Chen Qi <Qi.Chen at windriver.com> het 
>>> volgende geschreven:
>>>
>>> systemd needs this file to be there because one of its configuration 
>>> file
>>> in pam.d, systemd-user, requires it. Otherwise, we would have errors 
>>> like
>>> below.
>>>
>>>     systemd: PAM _pam_load_conf_file: unable to open 
>>> /etc/pam.d/system-auth
>> Isn't it the same as 'common-auth'? ISTR this is due to debian vs 
>> fedora naming of PAM stuff. I think it would make more sense to check 
>> what systemd actually wants and then see if a symlink to common-auth 
>> or patching systemd to use common-auth is the right answer instead of 
>> blindly adding system-auth.
>>
>> regards,
>>
>> Koen
>>
>
> Hi Koen,
>
> An alternative is to patch systemd's source code to change the 
> systemd-user configuration file.
>
> In fact, I have seen patches in OE whose purpose is merely changing 
> 'system-auth' to 'common-auth' in the pam configuration files of the 
> packages.

It might be 'common-passwd', 'common-session', not just 'common-auth'. 
You can see this from the contents of system-auth file.

>
> So we have two options here:
> 1. Provide system-auth
> 2. Patch packages that make use of system-auth and maintain those 
> patches.
>
> I think solution 1 is more reasonable but if you and other people in 
> community think that solution 2 can bring us more benefits, I can send 
> out a patch using solution 2.
>
> Best Regards,
> Chen Qi
>
>>> Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
>>> ---
>>> meta/recipes-extended/pam/libpam/pam.d/system-auth | 12 ++++++++++++
>>> meta/recipes-extended/pam/libpam_1.1.6.bb          |  1 +
>>> 2 files changed, 13 insertions(+)
>>> create mode 100644 meta/recipes-extended/pam/libpam/pam.d/system-auth
>>>
>>> diff --git a/meta/recipes-extended/pam/libpam/pam.d/system-auth 
>>> b/meta/recipes-extended/pam/libpam/pam.d/system-auth
>>> new file mode 100644
>>> index 0000000..ffb08ab
>>> --- /dev/null
>>> +++ b/meta/recipes-extended/pam/libpam/pam.d/system-auth
>>> @@ -0,0 +1,12 @@
>>> +# This file comes from systemd.
>>> +
>>> +auth     sufficient pam_unix.so nullok try_first_pass
>>> +
>>> +account  required   pam_nologin.so
>>> +account  sufficient pam_unix.so
>>> +
>>> +password sufficient pam_unix.so nullok sha512 shadow try_first_pass 
>>> try_authtok
>>> +
>>> +-session optional   pam_loginuid.so
>>> +-session optional   pam_systemd.so
>>> +session  sufficient pam_unix.so
>>> diff --git a/meta/recipes-extended/pam/libpam_1.1.6.bb 
>>> b/meta/recipes-extended/pam/libpam_1.1.6.bb
>>> index a84e51e..0910b6f 100644
>>> --- a/meta/recipes-extended/pam/libpam_1.1.6.bb
>>> +++ b/meta/recipes-extended/pam/libpam_1.1.6.bb
>>> @@ -17,6 +17,7 @@ SRC_URI = 
>>> "http://linux-pam.org/library/Linux-PAM-${PV}.tar.bz2 \
>>>             file://pam.d/common-session \
>>>             file://pam.d/common-session-noninteractive \
>>>             file://pam.d/other \
>>> +           ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 
>>> 'file://pam.d/system-auth', '', d)} \
>>>             file://libpam-xtests.patch \
>>>             file://destdirfix.patch \
>>>             file://fixsepbuild.patch \
>>> -- 
>>> 1.9.1
>>>
>>> -- 
>>> _______________________________________________
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>>> Openembedded-core at lists.openembedded.org
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>>>
>>
>