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Warn about newlines in secrets (arch) #22

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merged 3 commits into from
Nov 11, 2023
Merged

Warn about newlines in secrets (arch) #22

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eacc551
Default to sanitizing newlines in secrets
thespad Nov 10, 2023
4e98e3d
Warn rather than sanitize
thespad Nov 11, 2023
59693fa
!0 instead of 1
thespad Nov 11, 2023
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10 changes: 6 additions & 4 deletions root/etc/s6-overlay/s6-rc.d/init-envfile/run
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Original file line number Diff line number Diff line change
@@ -1,17 +1,19 @@
#!/usr/bin/with-contenv bash
# shellcheck shell=bash

if find /run/s6/container_environment/*"FILE__"* -maxdepth 1 > /dev/null 2>&1; then
for FILENAME in /run/s6/container_environment/*; do
if [[ "${FILENAME##*/}" == "FILE__"* ]]; then
if find /run/s6/container_environment/FILE__* -maxdepth 1 > /dev/null 2>&1; then
for FILENAME in /run/s6/container_environment/FILE__*; do
SECRETFILE=$(cat "${FILENAME}")
if [[ -f ${SECRETFILE} ]]; then
FILESTRIP=${FILENAME//FILE__/}
if [[ $(tail -n1 "${SECRETFILE}" | wc -l) = 1 ]]; then
echo "[env-init] Your secret: ${FILENAME##*/}"
echo " contains a trailing newline and may not work as expected"
fi
cat "${SECRETFILE}" >"${FILESTRIP}"
echo "[env-init] ${FILESTRIP##*/} set from ${FILENAME##*/}"
else
echo "[env-init] cannot find secret in ${FILENAME##*/}"
fi
fi
done
fi