[bug#54723] [PATCH] Check URI when verifying narinfo validity.

[Guillaume Le Vaillant <glv@posteo.net>]

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Ludovic Courtès <ludo@gnu.org> skribis:

> Hi,
>
> Guillaume Le Vaillant <glv@posteo.net> skribis:
>
>> However for one of them it looks like the guix-publish server got stuck
>> on the request for several minutes (the second attempt worked):
>>
>> wget http://192.168.0.22:8080/184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo
>> --2022-04-05 19:33:56--  http://192.168.0.22:8080/184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo
>> Connexion à 192.168.0.22:8080… connecté.
>> requête HTTP transmise, en attente de la réponse… Erreur de lecture (Connexion ré-initialisée par le correspondant) dans les en-têtes.
>> Nouvel essai.
>>
>> --2022-04-05 19:36:40--  (essai :  2)  http://192.168.0.22:8080/184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo
>> Connexion à 192.168.0.22:8080… connecté.
>> requête HTTP transmise, en attente de la réponse… 200 OK
>> Taille : 7428 (7,3K) [application/x-nix-narinfo]
>> Sauvegarde en : « 184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo »
>>
>> 184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo
>> 100%[=====================================================================================================>]
>> 7,25K --.-KB/s ds 0,02s
>>
>> 2022-04-05 19:36:40 (391 KB/s) — « 184b50qkcrkchc6dpwwcd7ypqb5yvrm3.narinfo » sauvegardé [7428/7428]
>>
>> Could that be the cause of the issue?
>
> Yes, it could be the issue.  Is there any clue as to why ‘guix publish’
> hung up first?  Something in its log maybe?
>
> Ludo’.

There are 2 errors that occur a lot in the guix-publish log files:

 - "In procedure fport_write: Broken pipe"
    It happens when trying to write to a socket apparently.

 - "In procedure sign: gcrypt: Cannot allocate memory"
    The machine has 64 GiB of RAM, of which at least 50 GiB is free, so
    gcrypt should have enough to make a signature...

Note: full log file with complete error messages in attachment.

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