138 lines
3.5 KiB
Bash
138 lines
3.5 KiB
Bash
#!/bin/bash
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# this will superceed the ssh binary in order to source all the config files
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module_load file # loads find and build_file
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[[ ! $SSH_CONFIG ]] && export SSH_CONFIG="$BASH_SHELL_ANY_NETWORK/ssh/_config"
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function ssh_config() {
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local CDIRS
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local CDIR
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local DIRS
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local DIR
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local PDIRS
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declare OPTION
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declare OPTARG
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declare OPTIND
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while getopts 'd:' OPTION; do
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# echo $OPTION $OPTARG
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case "$OPTION" in
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d)
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PDIRS=$OPTARG
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# echo option d: $DIRS
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;;
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*)
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echo unknown option $OPTION
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;;
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esac
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done
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shift $((OPTIND - 1))
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[[ $PDIRS ]] && DIRS=($PDIRS) || DIRS=(${BASH_SHELL_DIRS} "$HOME/$BASH_SHELL_USER")
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# echo DIRS "${DIRS[@]}"
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# echo $SSH_CONFIG
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CDIRS=()
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j=0
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cnt=${#DIRS[@]}
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for ((i = 0; i < cnt; i++)); do
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# echo $i of $cnt
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# looks in ssh/config subdirectory of each DIRS if not passed
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DIR="${DIRS[i]}$([[ ! $PDIRS ]] && echo /ssh/config)"
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# echo ----- trying $DIR
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[ -d $DIR ] && CDIRS[j]=$DIR
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j+=1 || echo no directory $DIR
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done
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# CDIRS=("${CDIRS[@]}")
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# echo ${CDIRS[@]}
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local HEADER="##############################################################
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# THIS FILE IS GENERATED BY function ssh_config. Do not edit #
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# It is created by combination of ssh configuration files #
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# which are listed in a comment line before each #
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# It is used by the ssh function which then calls ssh binary #
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##############################################################"
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module_load debug
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module_load file
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debug ssh config file at: $SSH_CONFIG
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mkdir -p "$(dirname "$SSH_CONFIG")"
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echo -e "$HEADER" >$SSH_CONFIG
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# build_file appends the given file to output file cleanly with checks
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# append any system config
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build_file "/etc/ssh/ssh_config" $SSH_CONFIG
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# echo existing dirs ${CDIRS[@]}
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# will append any .cfg file found in ssh/config subdir of any BASH_SHELL_DIRS, including home shell
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for CDIR in "${CDIRS[@]}"; do
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# FILES=$(find -n '*.cfg' -d 0 $CDIR)
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for f in $(_find -n '*.cfg' -p 'archive off' -d 0 $CDIR); do
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# echo "Processing $f";
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[[ $f ]] && build_file "$f" $SSH_CONFIG
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done
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done
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# append any tradtional home config
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[[ -f "$HOME/.ssh/config" ]] && build_file "$HOME/.ssh/config" $SSH_CONFIG
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}
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ssh_config_get () {
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local ssh;
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local cfg;
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local prop;
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local all;
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if [[ $SSH_CONFIG ]]; then
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[[ ! -f "$SSH_CONFIG" ]] && ssh_config "$SSH_CONFIG"
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cfg="-F $SSH_CONFIG"
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fi
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ssh="$(which ssh) $cfg -G"
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# echo ssh cmd: "$ssh"
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local OPTION; local OPTARG; local OPTIND
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while getopts 'uhpai' OPTION; do
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# echo processing: option:$OPTION argument:$OPTARG index:$OPTIND remaining:${@:$OPTIND}
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case "$OPTION" in
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u)
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prop=user
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;;
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h)
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prop=hostname
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;;
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i)
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prop=identityfile
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;;
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p)
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prop=port
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;;
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a)
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all=true
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;;
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*) echo unknown run option -$OPTARG
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return 3
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;;
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esac
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done
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shift $((OPTIND - 1))
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[[ ! $1 ]] && { echo must pass a config host; return 1; }
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[[ ! $(cat "$SSH_CONFIG" | grep "[Hh]ost $1") ]] && return 2
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props=$($ssh $1)
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[[ $all ]] && { echo "$props"; return 0; }
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[[ $prop ]] && { echo "$props" | grep -m1 -oP "(?<=$prop ).*"; return 0; }
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[[ $2 ]] && { echo "$props" | grep $2; return 0; }
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echo host $1
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echo user $(echo "$props" | grep -m1 -oP "(?<=user ).*")
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echo hostname $(echo "$props" | grep -m1 -oP "(?<=hostname ).*")
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echo port $(echo "$props" | grep -m1 -oP "(?<=port ).*")
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echo identityfile $(echo "$props" | grep -m1 -oP "(?<=identityfile ).*")
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}
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