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40 Wed, 18 Apr 2012 09:12:37 -0700 (PDT)
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41 From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
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42 To: Tomi Ollila <tomi.ollila@iki.fi>,
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43 Felipe Contreras <felipe.contreras@gmail.com>,
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44 Jani Nikula <jani@nikula.org>
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45 Subject: Re: [PATCH v2 1/3] Add 'compose' command
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46 In-Reply-To: <m21unlc9np.fsf@guru.guru-group.fi>
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47 References: <1334752753-23970-1-git-send-email-felipe.contreras@gmail.com>
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48 <1334752753-23970-2-git-send-email-felipe.contreras@gmail.com>
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49 <873981chpj.fsf@nikula.org>
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50 <CAMP44s2Ukz=kDaPHYG+jzR3pDfZGP+6Ojqc4Xz5J8PxEd9fKcQ@mail.gmail.com>
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51 <87vckxazq7.fsf@nikula.org>
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52 <CAMP44s1117VXAOnURjFAeva93oiJsKKPji4awN_SoNFo0QvPPw@mail.gmail.com>
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53 <m21unlc9np.fsf@guru.guru-group.fi>
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54 User-Agent: Notmuch/0.12+104~gf9ad237 (http://notmuchmail.org) Emacs/23.4.1
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55 (x86_64-pc-linux-gnu)
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56 Date: Wed, 18 Apr 2012 20:10:47 +0400
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57 Message-ID: <87ty0hkol4.fsf@gmail.com>
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60 Cc: Felipe Contreras <felipe.contreras@ngmail.com>, notmuch@notmuchmail.org
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75 Tomi Ollila <tomi.ollila@iki.fi> writes:
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77 > On Wed, Apr 18 2012, Felipe Contreras <felipe.contreras@gmail.com> wrote:
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79 >> On Wed, Apr 18, 2012 at 5:20 PM, Jani Nikula <jani@nikula.org> wrote:
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80 >>> On Wed, 18 Apr 2012 16:34:30 +0300, Felipe Contreras <felipe.contreras@gmail.com> wrote:
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81 >>>> On Wed, Apr 18, 2012 at 4:06 PM, Jani Nikula <jani@nikula.org> wrote:
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83 >>>> > Running "notmuch compose" more than once within a second would result in
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84 >>>> > identical message ids for the messages, which is not a good idea. That's
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85 >>>> > not likely in interactive use, but the notmuch cli is highly scriptable,
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86 >>>> > so someone is bound to hit this.
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88 >>>> > Some paranoid might also be worried about "leaking" the time you run
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89 >>>> > "notmuch compose"... which may be different from the actual time you
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90 >>>> > send the message.
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92 >>>> It's still better than the current situation; nothing. In any case,
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93 >>>> people that have not needed this would not be affected; their UI would
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94 >>>> override the Message-ID.
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96 >>>> So do you have a better suggestion for a Message-ID?
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98 >>> The easy way would be to just use g_mime_utils_generate_message_id()
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99 >>> [1]. It doesn't give you any control of the part before @, but I'm not
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100 >>> sure if that really matters.
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102 >> This is what gmime does:
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103 >> g_strdup_printf ("%lu.%lu.%lu@%s", (unsigned long int) time (NULL),
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104 >> (unsigned long int) getpid (), count++, fqdn);
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106 >> Which actually has some of the issues you mentioned.
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108 >> I can do the same if you want (add pid and count). The advantage of
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109 >> using our own format is that not only would it be more unique, but it
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110 >> would not have "@fqdn".
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112 > getpid() is good. I guess count is useless (always one). Now some ideas
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113 > how to obfuscate time(NULL) (nonce + hash (crc32 good enough?) ?
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116 I think the best would be for notmuch to use the gmime function and
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117 change gmime (open a bug, may be provide a patch) to follow the best
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118 practice for Message-ID generation (I guess that would be the document
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119 pointed by Jani [1]).
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124 [1] http://www.jwz.org/doc/mid.html
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129 >>> Alternatively you can write your own according to e.g. [2]. Glib appears
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130 >>> to have decent and portable support for pseudo random number
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131 >>> generation. But why bother? I'd go with gmime.
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133 >> But gmime doesn't have anything random. I would actually prefer to
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134 >> have something random though.
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140 >> Felipe Contreras
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141 >> _______________________________________________
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144 >> http://notmuchmail.org/mailman/listinfo/notmuch
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145 > _______________________________________________
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146 > notmuch mailing list
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147 > notmuch@notmuchmail.org
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148 > http://notmuchmail.org/mailman/listinfo/notmuch
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