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To: Wolfgang Bumiller <w.bumiller@proxmox.com>
Cc: pve-devel@lists.proxmox.com, pbs-devel@lists.proxmox.com
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From: Fabian Ebner <f.ebner@proxmox.com>
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Date: Fri, 18 Jun 2021 08:58:48 +0200
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Subject: Re: [pve-devel] [PATCH v6 proxmox-apt 04/11] add check_repositories
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Am 18.06.21 um 08:56 schrieb Wolfgang Bumiller:
> 
>> On 06/18/2021 8:53 AM Fabian Ebner <f.ebner@proxmox.com> wrote:
>>
>>   
>> Am 18.06.21 um 08:44 schrieb Wolfgang Bumiller:
>>>
>>>> On 06/18/2021 8:42 AM Fabian Ebner <f.ebner@proxmox.com> wrote:
>>>>>> +            Some((last, rest)) => match rest.split_last() {
>>>>>> +                Some((second_to_last, _rest)) => {
>>>>>> +                    (*last == "org" && *second_to_last == "debian")
>>>>>> +                        || (*last == "com" && *second_to_last == "proxmox")
>>>>>> +                }
>>>>>> +                None => false,
>>>>>> +            },
>>>>>> +            None => false,
>>>>>> +        };
>>>>>> +
>>>>>> +        for uri in self.uris.iter() {
>>>>>> +            if let Some(host) = host_from_uri(uri) {
>>>>>> +                let domains = host.split('.').collect();
>>>>>
>>>>> ^ But instead of building a vector here, why not just do:
>>>>>
>>>>>        if host == "proxmox.com" || host.ends_with(".proxmox.com")
>>>>>            || host == "debian.org" || host.ends_with(".debian.org")
>>>>>        {
>>>>>            ...
>>>>>        }
>>>>>
>>>>
>>>> Misses FQDNs?
>>>
>>> Such as?
>>>
>>
>> http://security.debian.org.
> 
> Why is that not caught by `.ends_with(".debian.org")`?
> 

Because of the final dot. But it is likely very uncommon and simply 
splitting by '.' leads to false results with e.g. 
http://security..debian.org too, so it might not be worth worrying about...