mirror of
https://github.com/unifi-utilities/unifios-utilities.git
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465c4ea4d0
I've added a script that downloads keys from either a line separated file or github public keys into the authorized keys file. I've tested that it's working sucessfully on my UDM Pro while it was running, and with a reset.
64 lines
2.0 KiB
Bash
64 lines
2.0 KiB
Bash
#!/bin/sh
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## Config Variables - please edit these
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# Set to true to download public keys from a github user account
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USE_GITHUB_KEYS=true
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# Enter your username on github to get the public keys for
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GITHUB_USER="<YOUR_USERNAME>"
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# File location for the output of the git download
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GITHUB_KEY_PATH="/mnt/data/podman/ssh"
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GITHUB_KEY_FILE="${GITHUB_KEY_PATH}/github.keys"
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# Set to true to use a file containing a key per line in the format ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAA...\n
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USE_KEY_FILE=true
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# IF using an input file, list it here
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INPUT_KEY_PATH="/mnt/data/podman/ssh"
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INPUT_KEY_FILE="${INPUT_KEY_PATH}/ssh.keys"
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# The target key file for the script
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OUTPUT_KEY_PATH="/root/.ssh"
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OUTPUT_KEY_FILE="${OUTPUT_KEY_PATH}/authorized_keys"
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## Functions
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# This function downloads the keys from the selected github user
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download_from_github(){
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if curl --output /dev/null --silent --head --fail https://github.com/${GITHUB_USER}.keys; then
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curl https://github.com/${GITHUB_USER}.keys -o ${GITHUB_KEY_FILE}
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echo "Downloaded keys from Github"
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else
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echo "Could not download ${GITHUB_USER}'s key file from github"
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fi
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}
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# Write line to the output line. Add the input line as an arguement.
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write_to_output(){
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# Check the file exits
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if ! test -f ${OUTPUT_KEY_FILE}; then
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echo "File at ${OUTPUT_KEY_FILE} does not exist, creating it"
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touch ${OUTPUT_KEY_FILE}
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fi
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echo "${1}" >> ${OUTPUT_KEY_FILE}
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}
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# This function reads keys from a file into the requested file. The arguement is the input file.
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use_key_from_file(){
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if ! test -f $1; then
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echo "File $1 does not exist"
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return
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fi
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counter=0;
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while IFS= read -r line;
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do
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write_to_output "${line}"
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let "counter++"
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done < $1
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echo "${counter} number of entries read from "
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}
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## Script
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# Makes paths if they don't exit
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mkdir -p ${GITHUB_KEY_PATH} ${INPUT_KEY_PATH} ${OUTPUT_KEY_PATH}
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#Check flags to see which files to use
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if [ ${USE_GITHUB_KEYS} = true ]; then
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download_from_github
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use_key_from_file ${GITHUB_KEY_FILE}
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fi
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if [ ${USE_KEY_FILE} = true ]; then
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use_key_from_file ${INPUT_KEY_FILE}
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fi
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