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fix(cs2): harden postinstall password generation #49

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Merged
MarcStdt merged 1 commit into from
Jun 7, 2026
+6 −2
Merged

fix(cs2): harden postinstall password generation #49

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8 changes: 6 additions & 2 deletions scrolls/lgsm/cs2server/data/postinstall.sh
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
#!/bin/bash
set -euo pipefail
set -eu

config_file="serverfiles/game/csgo/cfg/server.cfg"
password_file=".druid-rcon-password"
Expand All @@ -9,7 +9,11 @@ if [ -n "${CS2_RCON_PASSWORD:-}" ]; then
elif [ -f "$password_file" ]; then
rcon_password="$(cat "$password_file")"
else
rcon_password="$(tr -dc 'A-Za-z0-9' </dev/urandom | head -c 50)"
rcon_password="$(LC_ALL=C tr -dc 'A-Za-z0-9' </dev/urandom | head -c 50 || true)"
if [ "${#rcon_password}" -ne 50 ]; then
echo "failed to generate rcon password" >&2
exit 1
fi
printf '%s\n' "$rcon_password" > "$password_file"
chmod 600 "$password_file"
fi
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