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profiler: compare two card snapshots

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New Compare snapshots button on the Card snapshots tab opens a dialog
with Master snapshot / Snapshot to check selects and the two mask
options (Match first 4 bytes for EF.IMSI / EF.ICCID, checked by
default). The comparison runs like a profile check where the master
snapshot takes the place of the profile: every file must match exactly
(exact FCI, contents), except the first 4 bytes of masked EF.IMSI/EF.ICCID.

profilerRulesFromSnapshot() synthesizes exact-match rules from the
master; profilerSnapshotSource() of the checked snapshot is the data
source; files present only in the checked snapshot are appended as
failed 'extra file' results via profilerExtraFileResults() and the new
optional extraResults param of profilerRunProfile(). Results reuse the
existing view, summary and Only mismatches filter; Back to list returns
to the snapshots tab. Tests for rule synthesis, masking, comparison and
extra files. SW cache v87 -> v88.
This commit is contained in:
Антон Трошин
2026-09-12 08:14:03 +03:00
parent 5d096453fb
commit 30ff0f7a74
5 changed files with 193 additions and 4 deletions
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frontend/help.html
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@@ -392,6 +392,7 @@
<li><strong>Import snapshot</strong> &mdash; loads a snapshot from a JSON file.</li>
<li>Each snapshot row has <strong>Open</strong>, <strong>Export</strong>, and <strong>Delete</strong>. <strong>Open</strong> shows all captured data read-only (raw FCI with the decoded FCI, contents); only the snapshot name is editable.</li>
<li><strong>Check card snapshot</strong> on a profile row runs the profile rules against a snapshot you pick from the list, without a card reader. The report is the same as a live check; files whose contents were not captured during the scan are reported as unverifiable errors.</li>
<li><strong>Compare snapshots</strong> compares two snapshots offline, exactly like a profile check: pick the <em>master</em> snapshot and the <em>snapshot to check</em>, optionally masking the first 4 bytes of EF.IMSI/EF.ICCID (on by default), and get the same pass/fail report. Files present only in the checked snapshot are reported as extra files. Back to list returns to the Card snapshots tab.</li>
</ul>
<h3 id="usage-scenarios" class="text-lg font-medium mb-2">5.7 Usage scenarios</h3>