mirror of
https://github.com/saymrwulf/risc0-ed25519-verified.git
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65 lines
3.3 KiB
Bash
65 lines
3.3 KiB
Bash
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#!/usr/bin/env bash
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# ─────────────────────────────────────────────────────────────────────────────
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# inventory_gate.sh — diff an observed environment inventory against the
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# pinned allowlist. PORTED VERBATIM from ltl-accumulator-verified apart from
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# the axiom-surface assertion, which is repo-specific: there the corpus admits
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# exactly one sanctioned axiom, here it admits none.
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#
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# This is THE production coverage gate: check.sh Phase 2c calls it, and the
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# self-test exercises this exact script — the tested logic IS the shipping
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# logic.
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#
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# Usage: inventory_gate.sh <observed-lean-output> <allowlist-file>
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#
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# Fail-closed in BOTH directions:
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# UNCLASSIFIED — constant in the environment, absent from the allowlist
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# (new/renamed decl, changed kind, or changed axiom cone)
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# STALE — allowlist entry absent from the environment
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# plus an output-integrity check: the INV-COUNT trailer emitted by
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# Proofs/Inventory.lean must equal the number of INV lines actually seen,
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# so a truncated or crashed run can never pass as an empty diff.
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# ─────────────────────────────────────────────────────────────────────────────
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set -uo pipefail
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export LC_ALL=C # byte-order collation: sort/comm must agree with Lean's String order
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obs_file="$1"; allow_file="$2"
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OBS=$(grep '^INV|' "$obs_file" | sort -u)
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N_OBS=$(printf '%s' "$OBS" | grep -c '^INV|' || true)
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TRAILER=$(grep '^INV-COUNT|' "$obs_file" | tail -1 | cut -d'|' -f2)
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if [ -z "$TRAILER" ] || [ "$TRAILER" != "$N_OBS" ]; then
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echo " INVENTORY TRUNCATED: trailer=${TRAILER:-absent}, observed $N_OBS lines"
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exit 1
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fi
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ALLOW=$(grep '^INV|' "$allow_file" | sort -u)
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FAILGATE=0
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UNCLASS=$(comm -23 <(printf '%s\n' "$OBS") <(printf '%s\n' "$ALLOW"))
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STALE=$(comm -13 <(printf '%s\n' "$OBS") <(printf '%s\n' "$ALLOW"))
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if [ -n "$UNCLASS" ]; then
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printf '%s\n' "$UNCLASS" | sed 's/^/ UNCLASSIFIED (in environment, not allowlisted): /'
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FAILGATE=1
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fi
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if [ -n "$STALE" ]; then
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printf '%s\n' "$STALE" | sed 's/^/ STALE (allowlisted, not in environment): /'
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FAILGATE=1
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fi
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# The audited corpus admits NO axiom declarations at all: the sanctioned
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# external models live in gen/, outside every module these drivers cover, and
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# are byte-pinned by Phase 0b. An axiom appearing here would be a declaration
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# smuggled into the proof corpus, which Phase 2b also catches kernel-side —
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# two independent gates on the same property, deliberately.
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AXLINES=$(printf '%s\n' "$OBS" | grep '|axiom|' || true)
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if [ -n "$AXLINES" ]; then
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echo " AXIOM SURFACE DRIFT: the audited corpus must declare no axioms; observed:"
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printf '%s\n' "$AXLINES" | sed 's/^/ /'
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FAILGATE=1
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fi
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# The message must describe what was actually checked. It said "single
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# sanctioned axiom" when ported, which is the accumulator's policy; here the
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# audited corpus permits NONE, and a success line describing a different rule
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# is how an assertion quietly stops meaning anything.
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[ "$FAILGATE" = 0 ] && echo " inventory gate: $N_OBS constants, environment == allowlist, zero axioms declared in the audited corpus"
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exit "$FAILGATE"
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