Tyler King
043b9b9bdc
New crate: bascule-shell (471 lines, 1.8MB binary) Login shell that detects identity + platform attestation at startup. Wraps bash/zsh/fish — operator works normally, identity travels with them. Identity detection (priority order): 1. Entra via WSL2 interop 2. Azure CLI 3. Kerberos TGT 4. Cached OIDC token 5. System user (fallback) Platform attestation: TPM 2.0 PCR values via tpm2_pcrread (PCRs 0,1,2,7,10,14) IMA measurement log hash + count Keylime agent state Entra device compliance (WSL2 only) Composite SHA-256 hash over all evidence Shell features: Banner with identity + attestation summary BASCULE_* env vars injected into inner shell --info mode for dry-run display --json mode for machine-readable output --exec mode for single-command execution Configurable via ~/.config/bascule/shell.toml Tested on Fedora with real TPM 2.0: 6 PCRs successfully read from hardware All env vars propagated to inner shell 1.8MB binary, 0 substrate deps Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
24 lines
608 B
TOML
24 lines
608 B
TOML
[package]
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name = "bascule-shell"
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version.workspace = true
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edition.workspace = true
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license.workspace = true
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description = "Identity-aware shell with TPM attestation — client companion for Bascule"
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[[bin]]
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name = "bascule-shell"
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path = "src/main.rs"
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[dependencies]
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clap = { workspace = true }
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serde = { workspace = true }
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serde_json = { workspace = true }
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sha2 = "0.10"
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hex = "0.4"
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tracing = { workspace = true }
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tracing-subscriber = { workspace = true }
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anyhow = { workspace = true }
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chrono = { workspace = true }
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dirs = "5"
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toml = { workspace = true }
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nix = { version = "0.29", features = ["process"] }
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