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From: Arnout Vandecappelle <arnout@mind.be>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 1/5 v2] support/download: make hash file optional
Date: Sat, 21 Mar 2015 18:28:52 +0100	[thread overview]
Message-ID: <550DAA54.4060908@mind.be> (raw)
In-Reply-To: <20150321170041.GC4201@free.fr>

On 21/03/15 18:00, Yann E. MORIN wrote:
[snip]
> But for git/hg/svn/bzr/cvs
> clones/checkouts/... there is intrisically no reason to have a hash, by
> design.

 Why is there no reason to have a hash? The download helpers will indeed detect
failed clones/checkouts/..., but they won't detect a failed download from the
PRIMARY or SECONDARY site, e.g. if a user configures a bad PRIMARY site that
always gives you a landing page rather than a 404.

 Also, a second reason to have the hash is for "security", to protect against
MITM attacks. git with a sha1 will protect against that, but not if you give it
a tag. And svn, well, I'll leave that as an exercise for the reader :-)


 Regards,
 Arnout

[snip]

-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium           BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
GPG fingerprint:  7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F

  reply	other threads:[~2015-03-21 17:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-17 12:59 [Buildroot] [PATCH 0/5 v2] support/download: be more aggressive on missing hashes (branch yem/dl-hash) Yann E. MORIN
2015-03-17 12:59 ` [Buildroot] [PATCH 1/5 v2] support/download: make hash file optional Yann E. MORIN
2015-03-19 20:34   ` Arnout Vandecappelle
2015-03-19 21:03   ` Arnout Vandecappelle
2015-03-21 17:00     ` Yann E. MORIN
2015-03-21 17:28       ` Arnout Vandecappelle [this message]
2015-03-17 12:59 ` [Buildroot] [PATCH 2/5 v2] package infra: do not check hashes when downloading from a repository Yann E. MORIN
2015-03-19 20:36   ` Arnout Vandecappelle
2015-03-17 12:59 ` [Buildroot] [PATCH 3/5 v2] support/download: return different exit codes for different failures Yann E. MORIN
2015-03-19 20:44   ` Arnout Vandecappelle
2015-03-17 12:59 ` [Buildroot] [PATCH 4/5 v2] support/download: properly catch missing hashes Yann E. MORIN
2015-03-19 20:45   ` Arnout Vandecappelle
2015-03-17 12:59 ` [Buildroot] [PATCH 5/5 v2] support/download: always fail when there's no hash Yann E. MORIN
2015-03-19 20:51   ` Arnout Vandecappelle

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