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

[ChenQi]

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.

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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>