[Help] Does polkit support pure digital accounts?

[范朋程]

Hi polkit's team,


For work reasons, I have a doubt about: 
Does polkit support the use of purely digital accounts for authentication？


I checked some information about polkit, but I couldn't find any explanation about whether "1234567" in "unix-user:1234567" is the account name or uid.


In the src/polkit/polkitidentity.c file, I found the following code：
    
This seems to treat "1234567" in "unix-user:1234567" as uid。


According to the chapter AUTHORIZATION RULES, I wrote the following rule file, but did not regard 1000 as uid.

When I change Identity to `unix-user:uos`,it works fine.


So I think it should be treated as a username here and I made a PR:
https://gitlab.freedesktop.org/polkit/polkit/-/merge_requests/133



or like this?



But I'm not sure if this can really be modified like this，I need your help very much.
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