41 lines
935 B
Bash
Executable File
41 lines
935 B
Bash
Executable File
#!/bin/sh
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check_net() {
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url="http://169.254.169.254/2009-04-04/meta-data"
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(
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wget -q -O - -T 10 $url/public-keys 2> /dev/null || exit 1
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echo
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) | (
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while read line ; do
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key=$(echo $line | sed 's/\([0-9]\+\)=.*/\1/')
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key_url=$url/public-keys/$key/openssh-key
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wget -q -O - -T 10 $key_url 2> /dev/null || exit 1
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done
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) >> authorized_keys
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}
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json_metadata() {
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F=$1/ec2/2009-04-04/meta-data.json
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[ -f $F ] || return
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JSON.sh < $F | sed -n 's/^\["public-keys","[0-9]\+","openssh-key"\]\t"\(.*\)\\n"$/\1/p'
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}
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check_cd() {
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[ -b /dev/sr0 ] || return
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mkdir /tmp/cd
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if mount /dev/sr0 /tmp/cd ; then
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json_metadata /tmp/cd >> authorized_keys
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umount /tmp/cd
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fi
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rmdir /tmp/cd
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}
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mkdir -p /root/.ssh
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cd /root/.ssh
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chmod 700 .
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[ -f authorized_keys ] || touch authorized_keys
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chmod 600 authorized_keys
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check_net
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check_cd
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