shell-network/modules/ssh.sh

139 lines
3.4 KiB
Bash

#!/bin/bash
# this will superceed the ssh binary in order to source all the config files
module_load file # loads find and build_file
[[ ! $SSH_CONFIG ]] && export SSH_CONFIG="$BASH_SHELL_ANY_NETWORK/ssh/_config"
function ssh_config() {
local CDIRS
local CDIR
local DIRS
local DIR
local PDIRS
declare OPTION
declare OPTARG
declare OPTIND
while getopts 'd:' OPTION; do
# echo $OPTION $OPTARG
case "$OPTION" in
d)
PDIRS=$OPTARG
# echo option d: $DIRS
;;
*)
echo unknown option $OPTION
;;
esac
done
shift $((OPTIND - 1))
[[ $PDIRS ]] && DIRS=($PDIRS) || DIRS=(${BASH_SHELL_DIRS} "$HOME/$BASH_SHELL_USER")
# echo DIRS "${DIRS[@]}"
# echo $SSH_CONFIG
CDIRS=()
j=0
cnt=${#DIRS[@]}
for ((i = 0; i < cnt; i++)); do
# echo $i of $cnt
# looks in ssh/config subdirectory of each DIRS is not passed
DIR="${DIRS[i]}$([[ ! $PDIRS ]] && echo /ssh/config)"
# echo ----- trying $DIR
[ -d $DIR ] && CDIRS[j]=$DIR
j+=1 || echo no directory $DIR
done
# CDIRS=("${CDIRS[@]}")
# echo ${CDIRS[@]}
local HEADER="##############################################################
# THIS FILE IS GENERATED BY function ssh_config. Do not edit #
# It is created by combination of ssh configuration files #
# which are listed in a comment line before each #
# It is used by the ssh function which then calls ssh binary #
##############################################################"
debug ssh config file at: $SSH_CONFIG
mkdir -p "$(dirname "$SSH_CONFIG")"
echo -e "$HEADER" >$SSH_CONFIG
# build_file appends the given file to output file cleanly with checks
# append any system config
build_file "/etc/ssh/ssh_config" $SSH_CONFIG
# echo existing dirs ${CDIRS[@]}
# will append any .cfg file found in ssh/config subdir of any BASH_SHELL_DIRS, including home shell
for CDIR in "${CDIRS[@]}"; do
# FILES=$(find -n '*.cfg' -d 0 $CDIR)
for f in $(_find -n '*.cfg' -p 'archive off' -d 0 $CDIR); do
# echo "Processing $f";
[[ $f ]] && build_file "$f" $SSH_CONFIG
done
done
# append any tradtional home config
build_file "$HOME/.ssh/config" $SSH_CONFIG
}
ssh() {
if [[ $SSH_CONFIG ]]; then
[[ ! -f "$SSH_CONFIG" ]] && ssh_config "$SSH_CONFIG"
command ssh -F $SSH_CONFIG "$@"
else
command ssh "$@"
fi
}
sshp() {
local opts="-o PreferredAuthentications=password -o PubkeyAuthentication=no"
if [[ $SSH_CONFIG ]]; then
[[ ! -f "$SSH_CONFIG" ]] && ssh_config "$SSH_CONFIG"
command ssh $opts -F $SSH_CONFIG "$@"
else
command ssh $opts "$@"
fi
}
ssh_test() {
echo running non-interactive ssh test on $2 with user $1
ssh $1@$2 "cat .bashrc"
# env | grep -E 'SHELL|BASH|SSH';type module_load;module_load helpers;adirname .
}
function rrem() {
ssh -X -t "$@"
}
ssh_script () {
local SUDO=""
declare OPTION
declare OPTARG
declare OPTIND
while getopts 'ps:' OPTION; do
# echo $OPTION $OPTARG
case "$OPTION" in
p)
PASS=true
# echo option password login only: $PASS
;;
s)
SUDO="sudo"
# echo option s: $SUDO
;;
*)
echo unknown option $OPTION
;;
esac
done
shift $((OPTIND - 1))
HOST=$1@$2
SCRIPT=$3
# ssh < 'bash -s' << local_script.sh
scp $PATHtoSCRIPT$SCRIPTname $HOSTtoCONTROL:/tmp/
ssh -t $HOSTtoCONTROL "sudo -s bash /tmp/$SCRIPTname"
ssh root@MachineB 'bash -s' < local_script.sh
}