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Apply "pcre.*_limit" ini options in web environments

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Summary: Ref T13100. Ref T13586. See D21566, which applied these changes to CLI environments. Also apply them to web environments.

Test Plan: Loaded Phabricator.

Maniphest Tasks: T13586, T13100

Differential Revision: https://secure.phabricator.com/D21567
This commit is contained in:
epriestley 2021-02-18 11:18:10 -08:00
parent 5bfd6bda77
commit 20a54a3006
1 changed files with 18 additions and 0 deletions
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18
support/startup/PhabricatorStartup.php
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@ -400,6 +400,24 @@ final class PhabricatorStartup {
// a UTF-8 locale we can encounter problems when launching subprocesses
// which receive UTF-8 parameters in their command line argument list.
@setlocale(LC_ALL, 'en_US.UTF-8');
$config_map = array(
// See PHI1894. Keep "args" in exception backtraces.
'zend.exception_ignore_args' => 0,
// See T13100. We'd like the regex engine to fail, rather than segfault,
// if handed a pathological regular expression.
'pcre.backtrack_limit' => 10000,
'pcre.recusion_limit' => 10000,
// NOTE: Arcanist applies a similar set of startup options for CLI
// environments in "init-script.php". Changes here may also be
// appropriate to apply there.
);
foreach ($config_map as $config_key => $config_value) {
ini_set($config_key, $config_value);
}
}