40 lines
1.4 KiB
Bash
Executable File
40 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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set -e
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export PATH="/usr/bin:/bin:/usr/sbin:/sbin"
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export GIT_SSH="/usr/sbin/foodoor-ssh-wrapper"
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dest=/var/run/foodoor-keys
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if [ ! -e "${dest}/.git/config" ]
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then
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#echo "Repo does not exist, trying to clone..."
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( cd /var/run && git clone --quiet --single-branch --depth=1 ssh://git.chaospott.de/Chaospott/foodoor-keys.git "${dest}" )
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else
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#echo "Repo exists, updating..."
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( cd "${dest}" && git fetch --quiet && git merge --quiet origin/master master )
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fi
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for action in open close
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do
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outfile="${dest}/authorized_keys.${action}"
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rm -f ${outfile}
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find "${dest}/keys" -name '*.pub' | sort | \
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while read keyfile
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do
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ssh-keygen -l -f ${keyfile} &> /dev/null
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if [ $? -eq 0 ]; then
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key_length=`ssh-keygen -l -f ${keyfile} | cut -d" " -f1`
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if [ ${key_length} -lt 4096 ]; then
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echo "Key size of key ${keyfile} not equal to 4096. Not adding it to key database." >&2
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continue
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fi
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fi
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printf "command=\"/usr/sbin/foodoor ${action}\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding " >> ${outfile}
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cat "${keyfile}" >> ${outfile}
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echo >> ${outfile}
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done
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install -d -o ${action} -g nogroup -m 0700 /var/lib/foodoor/${action}/.ssh
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install -b -S .last -o ${action} -g nogroup -m 0600 ${outfile} /var/lib/foodoor/${action}/.ssh/authorized_keys
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done
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