18 lines
683 B
Plaintext
18 lines
683 B
Plaintext
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#!/bin/sh
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# Lists all authorized public keys from $AUTHORIZED_KEYS_DIR for sshd.
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#
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# sshd invokes this script via AuthorizedKeysCommand on every auth attempt,
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# so adding/removing a *.pub file is picked up live — no container restart.
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#
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# Exit 0 with no output if there are no keys (sshd treats this the same
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# as "no AuthorizedKeysCommand matches" and falls through to AuthorizedKeysFile,
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# which we keep for the boot-time-merged file from AUTHORIZED_KEYS_HOST/_REPO).
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DIR="${AUTHORIZED_KEYS_DIR:-/etc/bastion/users.d}"
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for f in "$DIR"/*.pub; do
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[ -f "$f" ] || continue
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cat "$f"
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# ensure newline between keys (most .pub files end with one anyway)
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echo
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done
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exit 0
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