FileNameMungingTest::testMungeIgnoreInsecure in modules/simpletest/tests/file.test

If the allow_insecure_uploads variable evaluates to true, the file should come out untouched, no matter how evil the filename.

FileNameMungingTest::testMungeIgnoreWhitelisted in modules/simpletest/tests/file.test

White listed extensions are ignored by file_munge_filename().

FileNameMungingTest::testMungeNullByte in modules/simpletest/tests/file.test

Tests munging with a null byte in the filename.

FileNameMungingTest::testMungeUnsafe in modules/simpletest/tests/file.test

Tests unsafe extensions are munged by file_munge_filename().

FileNameMungingTest::testMunging in modules/simpletest/tests/file.test

Create a file and munge/unmunge the name.

FileNameMungingTest::testUnMunge in modules/simpletest/tests/file.test

Ensure that unmunge gets your name back.

file_save_upload in includes/file.inc

Saves a file upload to a new location.