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+ Wed, 18 Apr 2012 09:12:37 -0700 (PDT)\r
+From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>\r
+To: Tomi Ollila <tomi.ollila@iki.fi>,\r
+ Felipe Contreras <felipe.contreras@gmail.com>,\r
+ Jani Nikula <jani@nikula.org>\r
+Subject: Re: [PATCH v2 1/3] Add 'compose' command\r
+In-Reply-To: <m21unlc9np.fsf@guru.guru-group.fi>\r
+References: <1334752753-23970-1-git-send-email-felipe.contreras@gmail.com>\r
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+ <873981chpj.fsf@nikula.org>\r
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+Date: Wed, 18 Apr 2012 20:10:47 +0400\r
+Message-ID: <87ty0hkol4.fsf@gmail.com>\r
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+Cc: Felipe Contreras <felipe.contreras@ngmail.com>, notmuch@notmuchmail.org\r
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+\r
+Tomi Ollila <tomi.ollila@iki.fi> writes:\r
+\r
+> On Wed, Apr 18 2012, Felipe Contreras <felipe.contreras@gmail.com> wrote:\r
+>\r
+>> On Wed, Apr 18, 2012 at 5:20 PM, Jani Nikula <jani@nikula.org> wrote:\r
+>>> On Wed, 18 Apr 2012 16:34:30 +0300, Felipe Contreras <felipe.contreras@gmail.com> wrote:\r
+>>>> On Wed, Apr 18, 2012 at 4:06 PM, Jani Nikula <jani@nikula.org> wrote:\r
+>>>>\r
+>>>> > Running "notmuch compose" more than once within a second would result in\r
+>>>> > identical message ids for the messages, which is not a good idea. That's\r
+>>>> > not likely in interactive use, but the notmuch cli is highly scriptable,\r
+>>>> > so someone is bound to hit this.\r
+>>>> >\r
+>>>> > Some paranoid might also be worried about "leaking" the time you run\r
+>>>> > "notmuch compose"... which may be different from the actual time you\r
+>>>> > send the message.\r
+>>>>\r
+>>>> It's still better than the current situation; nothing. In any case,\r
+>>>> people that have not needed this would not be affected; their UI would\r
+>>>> override the Message-ID.\r
+>>>>\r
+>>>> So do you have a better suggestion for a Message-ID?\r
+>>>\r
+>>> The easy way would be to just use g_mime_utils_generate_message_id()\r
+>>> [1]. It doesn't give you any control of the part before @, but I'm not\r
+>>> sure if that really matters.\r
+>>\r
+>> This is what gmime does:\r
+>> g_strdup_printf ("%lu.%lu.%lu@%s", (unsigned long int) time (NULL),\r
+>> (unsigned long int) getpid (), count++, fqdn);\r
+>>\r
+>> Which actually has some of the issues you mentioned.\r
+>>\r
+>> I can do the same if you want (add pid and count). The advantage of\r
+>> using our own format is that not only would it be more unique, but it\r
+>> would not have "@fqdn".\r
+>\r
+> getpid() is good. I guess count is useless (always one). Now some ideas\r
+> how to obfuscate time(NULL) (nonce + hash (crc32 good enough?) ?\r
+>\r
+\r
+I think the best would be for notmuch to use the gmime function and\r
+change gmime (open a bug, may be provide a patch) to follow the best\r
+practice for Message-ID generation (I guess that would be the document\r
+pointed by Jani [1]).\r
+\r
+Regards,\r
+ Dmitry\r
+\r
+[1] http://www.jwz.org/doc/mid.html\r
+\r
+> Tomi\r
+>\r
+>>\r
+>>> Alternatively you can write your own according to e.g. [2]. Glib appears\r
+>>> to have decent and portable support for pseudo random number\r
+>>> generation. But why bother? I'd go with gmime.\r
+>>\r
+>> But gmime doesn't have anything random. I would actually prefer to\r
+>> have something random though.\r
+>\r
+>\r
+>\r
+>>\r
+>> -- \r
+>> Felipe Contreras\r
+>> _______________________________________________\r
+>> notmuch mailing list\r
+>> notmuch@notmuchmail.org\r
+>> http://notmuchmail.org/mailman/listinfo/notmuch\r
+> _______________________________________________\r
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+> notmuch@notmuchmail.org\r
+> http://notmuchmail.org/mailman/listinfo/notmuch\r
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