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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729848431; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=++SvW500SGFWsn1sWBh4jLVUUJBC7dHn3VXHDDXIfEE=; b=CZDZe2yKRlGefxlvOomj8g7VCG2uRZgRfxx9IZs+UzP35yp+/6qvPpyfwXQVvyiLJ3gdnc 2aHZIfqgoWrbBc4U4wlTkPInR1/lWOLi+Qt3X1boXb9l0+T8LMMY4lIltQFpWbPQKbpCxd hbPxyDUXvfONo8q3AMyPCQTFacH9YuE= X-MC-Unique: NGcizsYAMJGcdCiU7btuyQ-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH v2 2/2] tests/functional: make cached asset files read-only Date: Fri, 25 Oct 2024 10:26:59 +0100 Message-ID: <20241025092659.2312118-3-berrange@redhat.com> In-Reply-To: <20241025092659.2312118-1-berrange@redhat.com> References: <20241025092659.2312118-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.263, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1.697, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1729848457702116600 This ensures that if a functional test runs QEMU with a writable disk pointing to a cached asset, an error will be reported, rather than silently modifying the cache file. As an example, tweaking test_sbsaref.py to set snapshot=3Doff, results in a clear error: Command: ./build/qemu-system-aarch64 ...snip... -drive file=3D/var/home/b= errange/.cache/qemu/download/44cdbae275ef1bb6dab1d5fbb59473d4f741e1c8ea8a80= fd9e906b531d6ad461,format=3Draw,snapshot=3Doff -cpu max,pauth=3Doff Output: qemu-system-aarch64: Could not open '/var/home/berrange/.cache/qe= mu/download/44cdbae275ef1bb6dab1d5fbb59473d4f741e1c8ea8a80fd9e906b531d6ad46= 1': Permission denied Signed-off-by: Daniel P. Berrang=C3=A9 --- tests/functional/qemu_test/asset.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/functional/qemu_test/asset.py b/tests/functional/qemu_te= st/asset.py index e47bfac035..f126cd5863 100644 --- a/tests/functional/qemu_test/asset.py +++ b/tests/functional/qemu_test/asset.py @@ -8,6 +8,7 @@ import hashlib import logging import os +import stat import subprocess import sys import unittest @@ -143,6 +144,8 @@ def fetch(self): raise Exception("Hash of %s does not match %s" % (self.url, self.hash)) tmp_cache_file.replace(self.cache_file) + # Remove write perms to stop tests accidentally modifying them + os.chmod(self.cache_file, stat.S_IRUSR | stat.S_IRGRP) =20 self.log.info("Cached %s at %s" % (self.url, self.cache_file)) return str(self.cache_file) --=20 2.46.0