Bullcrap incoming
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@ -1,4 +1,5 @@
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source ~/.scripts/proxy.sh
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source ~/.scripts/machines.sh
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source ~/.scripts/debloc.sh
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source ~/.scripts/dotfiles.sh
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source ~/.scripts/installPreferences.sh
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@ -0,0 +1,301 @@
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#!/usr/bin/env bash
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# Handles indexing and SSH keys of machines I
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# have access on
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# (sourceable)
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MACHINES_HOME=$HOME
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MACHINES_CONFIG=$HOME/.config/machines
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MACHINES_API=https://machines.frogeye.fr
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mkdir -p $MACHINES_HOME &> /dev/null
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mkdir -p $MACHINES_CONFIG &> /dev/null
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# COMMON
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function prompt { # text
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while true; do
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read -p "$1 [yn] " yn
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case $yn in
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[Yy]* ) return 1;;
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[Nn]* ) return 0;;
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* ) echo "Please answer y or n.";;
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esac
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done
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}
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# From https://gist.github.com/cdown/1163649
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urlencode() { # string
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old_lc_collate=$LC_COLLATE
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LC_COLLATE=C
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local length="${#1}"
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for (( i = 0; i < length; i++ )); do
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local c="${1:i:1}"
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case $c in
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[a-zA-Z0-9.~_-]) printf "$c" ;;
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*) printf '%%%02X' "'$c" ;;
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esac
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done
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LC_COLLATE=$old_lc_collate
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}
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urldecode() { # string
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local url_encoded="${1//+/ }"
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printf '%b' "${url_encoded//%/\\x}"
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}
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# API ACCESS
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function _machines-api {
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route=$1
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shift
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wget $MACHINES_API/$route --content-on-error --quiet --output-document=- "$@"
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}
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function _machines-apiToken {
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read -p 'TOTP token: ' token
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_machines-api "$@" --header="X-TOTP: $token"
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}
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function _machines-apiSigned {
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_machines-api "$@" --certificate=$MACHINES_CONFIG/machines.crt --private-key=$MACHINES_CONFIG/machines.key
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}
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function _machines-getQR {
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_machines-apiSigned totp | qrencode -o - | feh -
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}
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# APPLICATION KEYS & CERTIFICATE
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function _machines-pubFromCrt {
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openssl x509 -in $MACHINES_CONFIG/machines.crt -pubkey -noout > $MACHINES_CONFIG/machines.pub
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}
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function _machines-regenKey {
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if [[ -e $MACHINES_CONFIG/machines.key || -e $MACHINES_CONFIG/machines.pub || -e $MACHINES_CONFIG/machines.crt ]]; then
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echo "Please delete the pem files manually to prove you know what you're doing"
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else
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openssl genrsa -out $MACHINES_CONFIG/machines.key 4096
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chmod 600 $MACHINES_CONFIG/machines.key
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openssl req -key $MACHINES_CONFIG/machines.key -new -out $MACHINES_CONFIG/machines.csr
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openssl x509 -req -in $MACHINES_CONFIG/machines.csr -signkey $MACHINES_CONFIG/machines.key -out $MACHINES_CONFIG/machines.crt
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_machines-pubFromCrt
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fi
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}
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function _machines-ensurePub {
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if [ ! -f $MACHINES_CONFIG/machines.pub ]; then
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CERT_FILE=$(mktemp)
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echo "[INFO] Downloading certificate..."
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_machines-api cert > $CERT_FILE
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openssl x509 -fingerprint -in $CERT_FILE | grep Fingerprint --color=never
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prompt "Is this correct ?"
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if [ $? == 1 ]; then
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mv $CERT_FILE $MACHINES_CONFIG/machines.crt &> /dev/null
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_machines-pubFromCrt
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return 0
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else
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echo "Certificate rejected."
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return 1
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exit
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fi
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fi
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}
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# SSH ACCESS KEYS
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function _machines-signAkey { # network
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KEY_FILE=$(mktemp)
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SIGN_FILE=$(mktemp)
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_machines-apiSigned akey/$1?unsigned > $KEY_FILE
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openssl dgst -sha256 -sign $MACHINES_CONFIG/machines.key -out $SIGN_FILE $KEY_FILE
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_machines-apiSigned akey/$1 --method=PUT --body-file=$SIGN_FILE
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rm $KEY_FILE $SIGN_FILE &> /dev/null
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}
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function _machines-getAkey { # network
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KEY_FILE=$(mktemp)
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SIGN_FILE=$(mktemp)
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_machines-api akey/$1 > $KEY_FILE
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_machines-api akey/$1?signature > $SIGN_FILE
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openssl dgst -sha256 -verify $MACHINES_CONFIG/machines.pub -signature $SIGN_FILE $KEY_FILE &> /dev/null
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if [ $? == 0 ]; then
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cat $KEY_FILE
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return 0
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else
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return 1
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fi
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rm $KEY_FILE $SIGN_FILE &> /dev/null
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}
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function _machines-updateAkey {
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KEY_FILE=$(mktemp machines.XXXXXXXXXX.authorized_keys)
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network=$(cat $MACHINES_CONFIG/this | grep '^network=' | cut -d '=' -f 2)
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_machines-getAkey $network > $KEY_FILE
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if [ $? == 0 ]; then
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yes | mv $KEY_FILE $MACHINES_HOME/.ssh/authorized_keys &> /dev/null
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return 0
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else
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echo "[ERROR] Authorized keys are not properly signed"
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return 1
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fi
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}
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# USER ADMIN FUNCTIONS
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function machines-verifyLog {
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if [ -f $MACHINES_CONFIG/lastVerifiedLog ]; then
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from=$(<"$MACHINES_CONFIG/lastVerifiedLog")
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else
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from=0
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fi
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d=$(date +%s)
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_machines-apiSigned log?from=$from | less
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prompt "Is this OK?"
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if [ $? == 1 ]; then
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echo $d > $MACHINES_CONFIG/lastVerifiedLog
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return 0
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else
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return 1
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fi
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}
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function machines-sign {
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machines-verifyLog
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if [ $? != 0 ]; then
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return 1
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fi
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echo "Signing default network authorized_keys..."
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_machines-signAkey
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_machines-apiSigned network | while read network; do
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echo "Signing network $network authorized_keys..."
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_machines-signAkey $network
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done
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}
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function _machines-postFile { # filename
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cat $1 | while read line; do
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parameter=$(echo $line | cut -d '=' -f 1)
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value="$(echo $line | sed 's/^[a-zA-Z0-9]\+\(\[\]\)\?=//')"
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echo -n "&$parameter=$(urlencode "$value")"
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done
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}
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function _machines-addElement { # element elementType default
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FILE=$(mktemp)
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echo -e $3 > $FILE
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$EDITOR $FILE
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data=$(_machines-postFile $FILE)
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rm $FILE &> /dev/null
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err=$(_machines-apiSigned $2 --post-data "name=$1$data")
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if [ $? != 0 ]; then
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echo "[ERROR] $err"
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return 2
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fi
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}
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function machines-add { # machine
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_machines-addElement $1 machine "host[]=\nnetwork=\nuserkey=\nhostkey=\nuser="
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}
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function machines-addNetwork { # network
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_machines-addElement $1 network "allowed[]=\nsecure=false"
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}
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function _machines-editElement { # element elementType
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FILE=$(mktemp)
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_machines-apiSigned $2/$1 > $FILE
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if [ $? != 0 ]; then
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echo "[ERROR] $(cat $FILE)"
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rm $FILE &> /dev/null
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return 1
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fi
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$EDITOR $FILE
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data=$(_machines-postFile $FILE)
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rm $FILE &> /dev/null
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err=$(_machines-apiSigned $2/$1 --post-data "$data")
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if [ $? != 0 ]; then
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echo "[ERROR] $err"
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return 2
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fi
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}
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function machines-edit { # machine
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_machines-editElement $1 machine
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}
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function machines-editNetwork { # network
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_machines-editElement $1 network
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}
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function _machines-deleteElement { # element elementType
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err=$(_machines-apiSigned $2/$1 --method=DELETE)
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if [ $? != 0 ]; then
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echo "[ERROR] $err"
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return 2
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fi
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}
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function machines-delete { # machine
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_machines-deleteElement $1 machine
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}
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function machines-deleteNetwork { # network
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_machines-deleteElement $1 network
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}
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# USER FUNCTIONS
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function machines-update {
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_machines-api machine/$(cat $MACHINES_CONFIG/this.name) > $MACHINES_CONFIG/this
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_machines-updateAkey
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}
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function machines-setup {
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if [ -e $MACHINES_CONFIG/this.name ]; then
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echo "[ERROR] This machine is already set up"
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return 1
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fi
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_machines-ensurePub
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if [ $? != 0 ]; then
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return 2
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fi
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# Variables
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read -p 'Machine name? ' name
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read -p 'Hosts (separated by spaces)? ' hosts
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# User key
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mkdir -p $MACHINES_HOME/.ssh &> /dev/null
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if [[ ! -f $MACHINES_HOME/.ssh/id_rsa || ! -f $MACHINES_HOME/.ssh/id_rsa.pub ]]; then
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ssh-keygen -b 4096 -C "$name@machines.frogeye.fr" -f $MACHINES_HOME/.ssh/id_rsa -t rsa
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fi
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userkey=$(<"$MACHINES_HOME/.ssh/id_rsa.pub")
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# Host key
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for type in ecdsa ed25519 rsa dsa; do
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if [ -f "/etc/ssh/ssh_host_${type}_key.pub" ]; then
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hostkey=$(<"/etc/ssh/ssh_host_${type}_key.pub")
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break
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fi
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done
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# Subscription
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data="name=$(urlencode "$name")&userkey=$(urlencode "$userkey")&hostkey=$(urlencode "$hostkey")&user=$(urlencode "$USER")"
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for host in $hosts; do
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data="$data&host[]=$(urlencode "$host")"
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done
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err=$(_machines-apiToken machine --post-data "$data")
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if [ $? != 0 ]; then
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echo "[ERROR] $err"
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return 3
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fi
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echo $name > $MACHINES_CONFIG/this.name
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machines-update
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}
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