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Add a new command-line flag `--attempting-deelevation` which prevents the launcher from entering an infinite loop of deelevation attempts. Additionally, produce an enum value indicating the decisions made by the launcher process. (Nothing is done with this value yet; that will happen in the following commit.) A commit loosely analogous to this was previously submitted as D149545. Differential Revision: https://phabricator.services.mozilla.com/D152325
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1.3 KiB
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29 lines
1.3 KiB
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=======================
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Command Line Parameters
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=======================
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Firefox recognizes many (many!) command line parameters. Overview
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documentation of these parameters lives here.
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Known parameters
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----------------
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.. list-table::
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:widths: 20 80
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:header-rows: 1
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* - Parameter
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- Description
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* - ``-osint``
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- On Windows, ``-osint`` serves two purposes. Most importantly, it signals
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that the command line is untrusted and must be sanitized. Command lines
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with ``-osint`` are rejected unless they have a very specific structure,
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usually ``firefox.exe -osint -url URL`` or ``firefox.exe -osint
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-private-window URL``: refer to `the EnsureCommandLineSafe function
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<https://searchfox.org/mozilla-central/rev/ead7da2d9c5400bc7034ff3f06a030531bd7e5b9/toolkit/xre/CmdLineAndEnvUtils.h#196>`_.
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These command lines are produced by apps delegating to Firefox, and the
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resulting URL may not be correctly quoted. The sanitization process
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ensures that maliciously chosen URLs do not add additional parameters to
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Firefox. Secondarily, the ``-osint`` parameter signals that Firefox is
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being invoked by Windows to handle a URL: generally a registered file
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type, e.g., ``.html``, or protocol, e.g., ``https``.
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