32 lines
1.1 KiB
Bash
32 lines
1.1 KiB
Bash
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#!/bin/bash
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# simple helper script, which substitutes a token in configuration file with
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# system wide crypto policy, if installed. If not, this script just copies the
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# configuration file to the runtime file, that will be used by the SSHD daemon.
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SSHD_CONFIG="/etc/ssh/sshd_config"
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SSHD_CONFIG_RUNTIME="/run/openssh/sshd_config"
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CRYPTO_POLICIES="/etc/crypto-policies/back-ends/openssh.config"
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if [ ! -f "$CRYPTO_POLICIES" ]; then
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# if not installed, copy just the template
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# (to overwrite potential old policy)
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cat "$SSHD_CONFIG" > "$SSHD_CONFIG_RUNTIME"
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else
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# do the substitution.
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sed -e '/#{INCLUDE_CRYPTO_POLICY}#/ {' -e "r $CRYPTO_POLICIES" -e 'd' -e '}' \
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"$SSHD_CONFIG" > "$SSHD_CONFIG_RUNTIME"
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fi
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# XXX should be taken care of in SELinux somehow
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# set reasonable label if it gets the default (do not overwrite fixed)
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ls -Z $SSHD_CONFIG_RUNTIME | grep -q var_run_t && chcon -t etc_t $SSHD_CONFIG_RUNTIME
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# makes sure we have sane permissions as the original file has.
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chmod 600 $SSHD_CONFIG_RUNTIME
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# reload the service if requested
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if [ "$1" = "reload" ]; then
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/bin/kill -HUP $2
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fi
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