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mads

auth: only use X- headers instead of REMOTE_ADDR if explicitly told so in remote_addr_header

Before, X-Forwarded-For (and others) headers would *always* be trusted blindly,
also in setups without a proxy server. It would thus in some cases be
possible for users to fake their IP, and thus potentially be possible to bypass
IP restrictions configured in Kallithea.

Fixed by making it configurable which WSGI environment variable to use for the
remote address. Users can configure remote_addr_header to for example
HTTP_X_FORWARDED_FOR instead of using the default REMOTE_ADDR.

This change is a bit similar to what is going on in the https_fixup middleware,
but is doing a bit more of what for example is happening in similar code in
werkzeug/middleware/proxy_fix.py .

#!/bin/bash
# Validate the specified commits against test suite and other checks.

if [ -n "$VIRTUAL_ENV" ]; then
    echo "Please run this script from outside a virtualenv."
    exit 1
fi

if ! hg update --check -q .; then
    echo "Working dir is not clean, please commit/revert changes first."
    exit 1
fi

revset=$1
if [ -z "$revset" ]; then
    echo "Warning: no revisions specified, checking draft changes up to the current one."
    revset='draft() and ancestors(.)'
fi

venv=$(mktemp -d kallithea-validatecommits-env-XXXXXX)
resultfile=$(mktemp kallithea-validatecommits-result-XXXXXX)
echo > "$resultfile"

cleanup()
{
    rm -rf /tmp/kallithea-test*
    rm -rf "$venv"
}
finish()
{
    cleanup
    # print (possibly intermediate) results
    cat "$resultfile"
    rm "$resultfile"
}
trap finish EXIT

for rev in $(hg log -r "$revset" -T '{node}\n'); do
    hg log -r "$rev"
    hg update "$rev"

    cleanup
    python3 -m venv "$venv"
    source "$venv/bin/activate"
    pip install --upgrade pip setuptools
    pip install -e . -r dev_requirements.txt python-ldap python-pam

    # run-all-cleanup
    if ! scripts/run-all-cleanup ; then
        echo "run-all-cleanup encountered errors!"
        result="NOK"
    else
        if ! hg update --check -q .; then
            echo "run-all-cleanup did not give clean results!"
            result="NOK"
            hg diff
            hg revert -a
        else
            result=" OK"
        fi
    fi
    echo "$result: $rev (run-all-cleanup)" >> "$resultfile"

    # pytest
    if py.test; then
        result=" OK"
    else
        result="NOK"
    fi
    echo "$result: $rev (pytest)" >> "$resultfile"

    deactivate
    echo
done