didericis-claude
e641bacf2d
The two Debian-family CA-layout constants lived in docker/provision/ca.py, which forced the smolmachines backend to import them cross-backend (smolmachines -> docker). Move them into the shared backend/util.py next to select_ca_cert; docker, compose, and smolmachines now all import from there. No behavior change. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
73 lines
3.0 KiB
Python
73 lines
3.0 KiB
Python
"""Install the per-bottle MITM CA into the smolmachines guest's
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trust store (PRD 0023 chunk 4d).
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Mirrors `backend.docker.provision.ca`: select the right CA (egress
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when the bottle has routes, else pipelock), `smolvm machine cp` it
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to Debian's `/usr/local/share/ca-certificates/` path,
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`update-ca-certificates` to rebuild the trust bundle, and log the
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fingerprint once. The selected cert depends on the agent's
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HTTP_PROXY target — same logic as the docker backend, since the
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agent dials the same daemons through the same bundle.
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`smolvm machine exec` runs commands as root in the VM (no `-u`
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flag exists; the VM init is root), so we don't need the explicit
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`-u 0` the docker backend uses on its `docker exec` calls."""
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from __future__ import annotations
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from ....log import die
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from ...util import (
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AGENT_CA_BUNDLE,
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AGENT_CA_PATH,
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log_ca_fingerprint,
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select_ca_cert,
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)
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from .. import smolvm as _smolvm
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from ..bottle_plan import SmolmachinesBottlePlan
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def provision_ca(plan: SmolmachinesBottlePlan, target: str) -> None:
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"""Copy the agent-facing CA cert into the guest, rebuild the
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trust bundle, emit a one-line fingerprint log. Called from
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`BottleBackend.provision` after the smolvm guest is up."""
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cert_host_path, label = select_ca_cert(plan.egress_plan, plan.proxy_plan)
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_smolvm.machine_cp(str(cert_host_path), f"{target}:{AGENT_CA_PATH}")
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# Mode 0644 — readable to non-root tools in the guest.
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# update-ca-certificates rebuilds the bundle at AGENT_CA_BUNDLE,
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# which is what curl / Python ssl / OpenSSL-based tools read by
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# default. The env trio (NODE_EXTRA_CA_CERTS / SSL_CERT_FILE /
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# REQUESTS_CA_BUNDLE) on the guest_env covers Node + Python
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# `requests` / libraries that don't load the system bundle.
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#
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# chown + chmod + update-ca-certificates run in one
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# `sh -c` so we only pay one machine_exec round trip; the
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# `&&` chaining surfaces the first failure as the return
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# code.
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r = _smolvm.machine_exec(target, [
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"sh", "-c",
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f"chown root:root {AGENT_CA_PATH} && "
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f"chmod 644 {AGENT_CA_PATH} && "
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f"update-ca-certificates",
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])
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if r.returncode != 0 or "1 added" not in (r.stdout or ""):
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# update-ca-certificates not adding our cert is fatal —
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# claude-code's TLS handshake against the egress-MITM'd
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# api.anthropic.com would fail downstream. Bail early
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# with what we can see (output is captured by smolvm so
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# we can surface it).
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die(
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f"update-ca-certificates didn't add the agent CA "
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f"(exit {r.returncode}): "
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f"stdout={(r.stdout or '').strip()!r} "
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f"stderr={(r.stderr or '').strip()!r}"
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)
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log_ca_fingerprint(cert_host_path, label)
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# Re-exported for the launch/provision_ca caller + tests. The path
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# constants live in the shared `backend.util` (Debian's
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# `update-ca-certificates` layout is the same in both backends).
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__all__ = ["AGENT_CA_BUNDLE", "AGENT_CA_PATH", "provision_ca"]
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