CONTRIBUTING
author Sean Farley <sean@farley.io>
Fri, 28 Jul 2017 16:32:25 -0700
branchstable
changeset 33650 0b3fe3910ef5
parent 30084 a492610a2fc1
permissions -rw-r--r--
util: add utility method to check for bad ssh urls (SEC) Our use of SSH has an exploit that will parse the first part of an url blindly as a hostname. Prior to this set of security patches, a url with '-oProxyCommand' could run arbitrary code on a user's machine. In addition, at least on Windows, a pipe '|' can be abused to execute arbitrary commands in a similar fashion. We defend against this by checking ssh:// URLs and looking for a hostname that starts with a - or contains a |. When this happens, let's throw a big abort into the user's face so that they can inspect what's going on.
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Our full contribution guidelines are in our wiki, please see:
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https://www.mercurial-scm.org/wiki/ContributingChanges
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If you just want a checklist to follow, you can go straight to
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https://www.mercurial-scm.org/wiki/ContributingChanges#Submission_checklist
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If you can't run the entire testsuite for some reason (it can be
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difficult on Windows), please at least run `contrib/check-code.py` on
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any files you've modified and run `python contrib/check-commit` on any
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commits you've made (for example, `python contrib/check-commit
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273ce12ad8f1` will report some style violations on a very old commit).