Re: [PATCH v4 01/16] add util/search-path.{c, h} to test for executables in $PATH

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+ Fri, 12 Aug 2016 23:01:37 +0300 (EEST)\r
+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: Daniel Kahn Gillmor <dkg@fifthhorseman.net>,\r
+ David Bremner <david@tethera.net>, Notmuch Mail <notmuch@notmuchmail.org>\r
+Subject: Re: [PATCH v4 01/16] add util/search-path.{c,\r
+ h} to test for executables in $PATH\r
+In-Reply-To: <87mvkhrfjl.fsf@alice.fifthhorseman.net>\r
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+Date: Fri, 12 Aug 2016 23:01:36 +0300\r
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+On Fri, Aug 12 2016, Daniel Kahn Gillmor <dkg@fifthhorseman.net> wrote:\r
+\r
+> On Fri 2016-08-12 03:38:53 -0400, David Bremner wrote:\r
+>> Daniel Kahn Gillmor <dkg@fifthhorseman.net> writes:\r
+>>\r
+>>>> Should we distinguish between relative and absolute paths here?  I can't\r
+>>>> think of any security implications, but I'm wondering if a relative path\r
+>>>> is likely just a user error.\r
+>>>\r
+>>> I don't think a relative path is necessarily a user error.  I certainly\r
+>>> use relative paths myself from time to time.\r
+>>\r
+>> As configuration values? That seems quite fragile, since it depends on\r
+>> the current working directory when notmuch is run.\r
+>\r
+> rarely!  but sometimes i do it because i'm testing things in strange\r
+> ways, and it can be a bit frustrating to have a tool second-guess me\r
+> when it seems like i ought to be able to drop the same string i'm using\r
+> on the command line into the configuration.\r
+>\r
+> I don't feel strongly, though.  if you want to say that bare words found\r
+> in the $PATH and absolute filenames (starting with /) are fine in the\r
+> notmuch config but relative paths are not, i'd be ok with that :)\r
+\r
+>From consistency point of view, current patch not checking it being\r
+absolute might prevail -- I don't see database.path being checked for\r
+being absolute...\r
+\r
+The probability for user error is pretty small there -- if there is\r
+typo/thinko there things usually just starts failing. Security is\r
+easier to break elsewhere than here (e.g. borken PATH...)\r
+\r
+I'd keep the current implementation of test_for_executable()...\r
+\r
+Tomi\r
+\r
+>\r
+>         --dkg\r