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composer
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Adding check to confirm POSIX is defined and callable

pull/6956/head
William Sandin 2018-01-06 19:02:14 +07:00
parent dbea825871
commit 4296fe657f
1 changed files with 7 additions and 5 deletions
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12
src/Composer/Command/SelfUpdateCommand.php
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@ -93,9 +93,7 @@ EOT
$cacheDir = $config->get('cache-dir');
$rollbackDir = $config->get('data-dir');
$home = $config->get('home');
$homeOwner = posix_getpwuid(fileowner($home));
$localFilename = realpath($_SERVER['argv'][0]) ?: $_SERVER['argv'][0];
$composeUser = posix_getpwuid(posix_geteuid());
if ($input->getOption('update-keys')) {
return $this->fetchKeys($io, $config);
@ -109,9 +107,13 @@ EOT
throw new FilesystemException('Composer update failed: the "'.$tmpDir.'" directory used to download the temp file could not be written');
}
// check if composer is running as the same user that owns the directory root
if ($composeUser !== $homeOwner) {
$io->writeError('<warning>You are running composer as "'.$composeUser.'", while "'.$home.'" is owned by "'.$homeOwner.'"</warning>');
// check if composer is running as the same user that owns the directory root, only if POSIX is defined and callable
if (function_exists('posix_getpwuid') && function_exists('posix_geteuid')) {
$composeUser = posix_getpwuid(posix_geteuid());
$homeOwner = posix_getpwuid(fileowner($home));
if ($composeUser !== $homeOwner) {
$io->writeError('<warning>You are running composer as "'.$composeUser.'", while "'.$home.'" is owned by "'.$homeOwner.'"</warning>');
}
}
if ($input->getOption('rollback')) {