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From:   "Alexander A. Klimov" <grandmaster@al2klimov.de>
To:     dhowells@redhat.com, corbet@lwn.net, linux-cachefs@redhat.com,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     "Alexander A. Klimov" <grandmaster@al2klimov.de>
Subject: [PATCH] docs: filesystems: Replace HTTP links with HTTPS ones
Date:   Mon, 13 Jul 2020 13:37:05 +0200
Message-Id: <20200713113705.33773-1-grandmaster@al2klimov.de>
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Sender: linux-kernel-owner@vger.kernel.org
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
---
 Continuing my work started at 93431e0607e5.
 See also: git log --oneline '--author=Alexander A. Klimov <grandmaster@al2klimov.de>' v5.7..master
 (Actually letting a shell for loop submit all this stuff for me.)

 If there are any URLs to be removed completely or at least not just HTTPSified:
 Just clearly say so and I'll *undo my change*.
 See also: https://lkml.org/lkml/2020/6/27/64

 If there are any valid, but yet not changed URLs:
 See: https://lkml.org/lkml/2020/6/26/837

 If you apply the patch, please let me know.

 Sorry again to all maintainers who complained about subject lines.
 Now I realized that you want an actually perfect prefixes,
 not just subsystem ones.
 I tried my best...
 And yes, *I could* (at least half-)automate it.
 Impossible is nothing! :)


 Documentation/filesystems/caching/cachefiles.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/caching/cachefiles.rst b/Documentation/filesystems/caching/cachefiles.rst
index 65d3db476765..e58bc1fd312a 100644
--- a/Documentation/filesystems/caching/cachefiles.rst
+++ b/Documentation/filesystems/caching/cachefiles.rst
@@ -348,7 +348,7 @@ data cached therein; nor is it permitted to create new files in the cache.
 
 There are policy source files available in:
 
-	http://people.redhat.com/~dhowells/fscache/cachefilesd-0.8.tar.bz2
+	https://people.redhat.com/~dhowells/fscache/cachefilesd-0.8.tar.bz2
 
 and later versions.  In that tarball, see the files::
 
-- 
2.27.0