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296
setup.sh
Executable file
296
setup.sh
Executable file
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#!/bin/sh
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_main() {
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opts="$@"
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for o in $opts ; do
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case "$o" in
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g)
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ARG="${opts#* }" ;
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ARG="${ARG%% *}" ;
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if [ "$o" == "$ARG" ] ; then
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_err "Option usage: '-$o /path/to/pubkey'"
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return 1
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fi
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GPG_PUBKEY="$ARG" _install_gpg_pubkey
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;;
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G)
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ARG="${opts#* }" ;
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ARG="${ARG%% *}" ;
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if [ "$o" == "$ARG" ] ; then
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_err "Option usage: '-$o /path/to/seckey'"
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return 1
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fi
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GPG_SECKEY="$ARG" _install_gpg_seckey
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;;
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s)
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ARG="${opts#* }" ;
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ARG="${ARG%% *}" ;
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if [ "$o" == "$ARG" ] ; then
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_err "Option usage: '-$o /path/to/pubkey'"
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return 1
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fi
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SSH_PUBKEY="$ARG" _install_ssh_pubkey
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;;
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S)
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ARG="${opts#* }" ;
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ARG="${ARG%% *}" ;
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if [ "$o" == "$ARG" ] ; then
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_err "Option usage: '-$o /path/to/seckey'"
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return 1
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fi
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SSH_SECKEY="$ARG" _install_ssh_seckey
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;;
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h)
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_help
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;;
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*)
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if [ "$o" != "$ARG" ] ; then
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_err "Unknown option '-$o'"
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return 1
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fi
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;;
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esac
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opts="${opts#* }"
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done
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}
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_log() {
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printf '\033[34mLog:\033[0m \033[2m%s\033[0m\n' "$1"
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}
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_warn() {
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printf '\033[33mWarn:\033[0m \033[2m%s\033[0m\n' "$1"
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}
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_err() {
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printf '\033[31mError:\033[0m \033[2m%s\033[0m\n' "$1" >&2
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}
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_help() {
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printf '\033[2mUsage:\033[0m \033[36m%s\033[0m \033[34m[OPTION]\033[0m\033[2m...\033[0m \033[35m[ARGUMENT]\033[0m\033[2m...\033[0m
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-g /path/to/pubkey \033[2mInstall public gpg key\033[0m
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-G /path/to/seckey \033[2mInstall private gpg key\033[0m
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-s /path/to/pubkey \033[2mInstall public ssh key\033[0m
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-S /path/to/seckey \033[2mInstall private ssh key\033[0m
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' "$0"
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}
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_prompt() {
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printf '%s [y/N]: ' "$1"
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read -r opt
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if [ "$opt" == "y" ] ; then
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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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_missing() {
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missing=
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for p in $(echo "$@" | tr ' ' '\n' | sort -u) ; do
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if ! command -v "$p" >&- 2>&- ; then
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missing="$missing $p"
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fi
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done
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if [ -n "$missing" ] ; then
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echo "${missing# }"
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return 127
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else
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return 0
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fi
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}
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_install_gpg_pubkey() {
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missing="$(_missing gpg)"
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if [ -n "$missing" ] ; then
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_err "The following commands are missing from PATH: $missing"
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return 127
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fi
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if ! [ -f "$GPG_PUBKEY" ] ; then
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_err "Bad gpg pubkey path"
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return 1
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fi
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if [ -z "$GNUPGHOME" ] ; then
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if ! _prompt '$GNUPGHOME is not defined, continue? (default to ~/.gnupg)' ; then
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return 1
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else
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GNUPGHOME="$HOME/.gnupg"
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fi
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fi
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if ! [ -d "$GNUPGHOME" ] ; then
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mkdir -p "$GNUPGHOME"
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chmod 700 "$GNUPGHOME"
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fi
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key_info="$(gpg -q --show-keys "$GPG_PUBKEY")"
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if [ -z "${key_info//sec*/}" ] ; then
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_err "Failed to import public key $GPG_PUBKEY, appears to be secret key"
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return 1
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fi
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fingerprint="$(echo "$key_info" | sed '/^ *[A-Za-z0-9]*/!d;s/ //g')"
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if [ "$?" != "0" ] ; then
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_err 'Could not get fingerprint'
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return 1
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fi
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gpg -q --batch --import "$GPG_PUBKEY"
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if [ "$?" != "0" ] ; then
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_err 'Could not import public key'
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return 1
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fi
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_log "Imported $GPG_PUBKEY"
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echo "$fingerprint:6:" | gpg -q --batch --import-ownertrust
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if [ "$?" != "0" ] ; then
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_err 'Could not trust public key ultimately'
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return 1
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fi
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_log "Trusted $GPG_PUBKEY ultimately"
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}
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_install_gpg_seckey() {
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missing="$(_missing gpg)"
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if [ -n "$missing" ] ; then
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_err "The following commands are missing from PATH: $missing"
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return 127
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fi
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if ! [ -f "$GPG_SECKEY" ] ; then
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_err "Bad gpg seckey path"
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return 1
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fi
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if [ -z "$GNUPGHOME" ] ; then
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if ! _prompt '$GNUPGHOME is not defined, continue? (default to ~/.gnupg)' ; then
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return 1
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else
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GNUPGHOME="$HOME/.gnupg"
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fi
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fi
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if ! [ -d "$GNUPGHOME" ] ; then
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mkdir -p "$GNUPGHOME"
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chmod 700 "$GNUPGHOME"
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fi
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key_info="$(gpg -q --show-keys "$GPG_SECKEY")"
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if [ -z "${key_info//pub*/}" ] ; then
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_err "Failed to import secret key $GPG_SECKEY, appears to be public key"
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return 1
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fi
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gpg -q --batch --import "$GPG_SECKEY"
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if [ "$?" != "0" ] ; then
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_err 'Could not import secret key'
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return 1
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fi
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_log "Imported $GPG_SECKEY"
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}
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_install_ssh_pubkey() {
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if ! [ -f "$SSH_PUBKEY" ] ; then
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_err "Bad ssh pubkey path"
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return 1
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fi
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if [ -z "$SSH_DIR" ] ; then
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if ! _prompt '$SSH_DIR is not defined, continue? (default to ~/.ssh)' ; then
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return 1
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else
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SSH_DIR="$HOME/.ssh"
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fi
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fi
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if ! [ -d "$SSH_DIR" ] ; then
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mkdir -p "$SSH_DIR"
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chmod 700 "$SSH_DIR"
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fi
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if [ -f "$SSH_DIR/${SSH_PUBKEY##*/}" ] ; then
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if ! _prompt "$SSH_DIR/${SSH_PUBKEY##*/} already exists, overwrite?" ; then
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return 1
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fi
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fi
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cp "$SSH_PUBKEY" "$SSH_DIR/${SSH_PUBKEY##*/}"
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if [ "$?" != 0 ] ; then
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_err 'Could not install public ssh key'
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return 1
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fi
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chmod 644 "$SSH_DIR/${SSH_PUBKEY##*/}"
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_log "Imported $SSH_PUBKEY"
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}
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_install_ssh_seckey() {
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if ! [ -f "$SSH_SECKEY" ] ; then
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_err "Bad ssh seckey path"
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return 1
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fi
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if [ -z "$SSH_DIR" ] ; then
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if ! _prompt '$SSH_DIR is not defined, continue? (default to ~/.ssh)' ; then
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return 1
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else
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SSH_DIR="$HOME/.ssh"
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fi
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fi
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if ! [ -d "$SSH_DIR" ] ; then
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mkdir -p "$SSH_DIR"
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chmod 700 "$SSH_DIR"
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fi
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if [ -f "$SSH_DIR/${SSH_SECKEY##*/}" ] ; then
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if ! _prompt "$SSH_DIR/${SSH_SECKEY##*/} already exists, overwrite?" ; then
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return 1
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fi
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fi
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cp "$SSH_SECKEY" "$SSH_DIR/${SSH_SECKEY##*/}"
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if [ "$?" != 0 ] ; then
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_err 'Could not install public ssh key'
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return 1
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fi
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chmod 600 "$SSH_DIR/${SSH_SECKEY##*/}"
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_log "Imported $SSH_SECKEY"
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}
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_opts() {
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opts=
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for o in $@ ; do
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if [ -z "${o%%-*}" ] ; then
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opts="$opts $(echo "$o" | sed 's/[A-Za-z0-9]/& /g;s/-//g')"
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else
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opts="$opts $o "
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fi
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done
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opts="${opts% }"
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opts="${opts# }"
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echo "$opts"
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}
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_main $(_opts $@)
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exit "$?"
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