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@ -20,10 +20,11 @@ |
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# 2016-04-21 Incorporated sshrc copies your bashrc env to remote server (v0.3) |
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# 2016-05-20 updated sshrc and enabled direct use of ssh config if single hop (v0.4) |
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# 2016-06-29 Updated to allow user/ port on command line plus run commands (v0.5) |
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# 2016-06-20 Tidy code, and check with shellcheck (v0.6) |
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# --------------------------------------------------------------------------- |
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PROGNAME=${0##*/} |
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VERSION="0.5" |
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VERSION="0.6" |
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# define variables |
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hops=0 |
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@ -60,12 +61,12 @@ add_hop() { |
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l_user="" |
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l_port="" |
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if [[ $l_host == *"@"* ]]; then |
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l_user=$(echo $l_host | awk -F@ '{print $1}') |
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l_host=$(echo $l_host | awk -F@ '{print $2}') |
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l_user=$(echo "$l_host" | awk -F@ '{print $1}') |
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l_host=$(echo "$l_host" | awk -F@ '{print $2}') |
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fi |
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if [[ $l_host == *":"* ]]; then |
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l_port=$(echo $l_host | awk -F: '{print $2}') |
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l_host=$(echo $l_host | awk -F: '{print $1}') |
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l_port=$(echo "$l_host" | awk -F: '{print $2}') |
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l_host=$(echo "$l_host" | awk -F: '{print $1}') |
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fi |
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host[${hops}]=$l_host; |
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@ -155,15 +156,17 @@ signal_exit() { # Handle trapped signals |
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function sshrc() { |
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local SSHHOME=${SSHHOME:=~} |
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if [ ! -f $SSHHOME/.sshrc ]; then |
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touch $SSHHOME/.sshrc |
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if [ ! -f "$SSHHOME/.sshrc" ]; then |
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touch "$SSHHOME/.sshrc" |
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fi |
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if [ ! -z "$commandline" ]; then |
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export SSHHOMETMP=$(mktemp -d -t .$(whoami).sshhome.XXXX) |
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export SSHHOMETMP |
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SSHHOMETMP=$(mktemp -d -t ".$(whoami).sshhome.XXXX") |
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# shellcheck disable=SC2064 |
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trap "rm -rf $SSHHOMETMP; exit" 0 |
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cat $SSHHOME/.sshrc > $SSHHOMETMP/.sshrc |
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echo "$commandline && exit || exit" >> $SSHHOMETMP/.sshrc |
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ln -s $SSHHOME/.sshrc.d $SSHHOMETMP/.sshrc.d |
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cat "$SSHHOME/.sshrc" > "$SSHHOMETMP/.sshrc" |
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echo "$commandline && exit || exit" >> "$SSHHOMETMP/.sshrc" |
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ln -s "$SSHHOME/.sshrc.d" "$SSHHOMETMP/.sshrc.d" |
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export SSHHOME=$SSHHOMETMP |
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WELCOME_MESSAGE="" |
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SSHRC_QUIET="-o LogLevel=QUIET" |
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@ -177,47 +180,49 @@ function sshrc() { |
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SSHRC_ACTIVATE_BIN="chmod +x \$SSHHOME/sshrc" |
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fi |
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local files=.sshrc |
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if [ -d $SSHHOME/.sshrc.d ]; then |
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if [ -d "$SSHHOME/.sshrc.d" ]; then |
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files="$files .sshrc.d" |
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fi |
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SIZE=$(tar cz -h -C $SSHHOME $files | wc -c) |
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if [ $SIZE -gt 65536 ]; then |
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echo >&2 $'.sshrc.d and .sshrc files must be less than 64kb\ncurrent size: '$SIZE' bytes' |
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# shellcheck disable=SC2086 |
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SIZE=$(tar cz -h -C "$SSHHOME" $files | wc -c) |
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if [ "$SIZE" -gt 65536 ]; then |
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echo >&2 $'.sshrc.d and .sshrc files must be less than 64kb\ncurrent size: '"$SIZE"' bytes' |
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exit 1 |
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fi |
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# shellcheck disable=SC2029,SC2002,SC2086 |
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ssh $SSHRC_QUIET -t "$@" " |
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command -v openssl >/dev/null 2>&1 || { echo >&2 \"sshrc requires openssl to be installed on the server, but it's not. Aborting.\"; exit 1; } |
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$WELCOME_MESSAGE |
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export SSHHOME=\$(mktemp -d -t .$(whoami).sshrc.XXXX) |
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export SSHRCCLEANUP=\$SSHHOME |
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trap \"rm -rf \$SSHRCCLEANUP; exit\" 0 |
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echo $'"$(cat "$0" | openssl enc -base64)"' | tr -s ' ' $'\n' | openssl enc -base64 -d > \$SSHHOME/sshrc |
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echo \"$(cat "$0" | openssl enc -base64)\" | openssl enc -base64 -d > \$SSHHOME/sshrc |
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$SSHRC_ACTIVATE_BIN |
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echo $'"$( cat << 'EOF' | openssl enc -base64 |
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if [ -r /etc/profile ]; then source /etc/profile; fi |
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if [ -r ~/.bash_profile ]; then source ~/.bash_profile |
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elif [ -r ~/.bash_login ]; then source ~/.bash_login |
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elif [ -r ~/.profile ]; then source ~/.profile |
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fi |
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export PATH=$PATH:$SSHHOME:${SSHHOME}/.sshrc.d |
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source $SSHHOME/.sshrc; |
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EOF |
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)"' | tr -s ' ' $'\n' | openssl enc -base64 -d > \$SSHHOME/sshrc.bashrc |
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echo $'"$( cat << 'EOF' | openssl enc -base64 |
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#!/usr/bin/env bash |
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exec bash --rcfile <(echo ' |
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[ -r /etc/profile ] && source /etc/profile |
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if [ -r ~/.bash_profile ]; then source ~/.bash_profile |
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elif [ -r ~/.bash_login ]; then source ~/.bash_login |
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elif [ -r ~/.profile ]; then source ~/.profile |
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fi |
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source '$SSHHOME'/.sshrc; |
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export PATH=$PATH:'$SSHHOME' |
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') "$@" |
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EOF |
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)"' | tr -s ' ' $'\n' | openssl enc -base64 -d > \$SSHHOME/bashsshrc |
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echo \"$( cat <<- 'EOF' | openssl enc -base64 |
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if [ -r /etc/profile ]; then source /etc/profile; fi |
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if [ -r ~/.bash_profile ]; then source ~/.bash_profile |
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elif [ -r ~/.bash_login ]; then source ~/.bash_login |
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elif [ -r ~/.profile ]; then source ~/.profile |
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fi |
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export PATH=$PATH:${SSHHOME}:${SSHHOME}/.sshrc.d |
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source $SSHHOME/.sshrc; |
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EOF |
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)\" | openssl enc -base64 -d > \$SSHHOME/sshrc.bashrc |
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echo \"$( cat <<- 'EOF' | openssl enc -base64 |
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#!/usr/bin/env bash |
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exec bash --rcfile <(echo ' |
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[ -r /etc/profile ] && source /etc/profile |
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if [ -r ~/.bash_profile ]; then source ~/.bash_profile |
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elif [ -r ~/.bash_login ]; then source ~/.bash_login |
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elif [ -r ~/.profile ]; then source ~/.profile |
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fi |
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source '$SSHHOME'/.sshrc; |
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export PATH=$PATH:'$SSHHOME' |
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') "$@" |
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EOF |
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)\" | openssl enc -base64 -d > \$SSHHOME/bashsshrc |
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chmod +x \$SSHHOME/bashsshrc |
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echo $'"$(tar cz -h -C $SSHHOME $files | openssl enc -base64)"' | tr -s ' ' $'\n' | openssl enc -base64 -d | tar mxz -C \$SSHHOME |
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echo \"$(tar cz -h -C $SSHHOME $files | openssl enc -base64)\" | tr -s ' ' $'\n' | openssl enc -base64 -d | tar mxz -C \$SSHHOME |
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export SSHHOME=\$SSHHOME |
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bash --rcfile \$SSHHOME/sshrc.bashrc |
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" |
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@ -241,13 +246,13 @@ while [[ -n $1 ]]; do |
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-v) |
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opt="-v" ;; |
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-c | --command) |
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shift;commandline=$(echo $1) ;; |
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shift;commandline=$1 ;; |
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-d | --debug) |
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_USE_DEBUG=1 ;; |
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-id | --ignore-default) |
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ignore_default_route=1 ;; |
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-s | --socks) |
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shift;socks=$(echo $1) ;; |
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shift;socks=$1 ;; |
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-* | --*) |
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usage |
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error_exit "Unknown option $1" ;; |
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@ -270,44 +275,44 @@ if [ ! -z "$DEFAULT_SSH_ROUTE" ] && [ "$ignore_default_route" -eq "0" ]; then |
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for h in ${DEFAULT_SSH_ROUTE}; do |
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((default_hops++)) |
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debug "adding default hop $h" |
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add_hop $h |
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add_hop "$h" |
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done |
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fi |
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for h in ${host_list}; do |
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debug "adding hop $h" |
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add_hop $h |
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add_hop "$h" |
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done |
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i=${hops} |
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while [ $i -gt 1 ]; do |
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echo "Host ${host[${i}]}" >> "$conffile" |
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echo " Hostname ${hostname[${i}]}" >> "$conffile" |
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echo " Port ${port[${i}]}" >> "$conffile" |
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{ |
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i=${hops} |
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while [ $i -gt 1 ]; do |
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echo "Host ${host[${i}]}" |
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echo " Hostname ${hostname[${i}]}" |
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echo " Port ${port[${i}]}" |
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if [ ! -z "${user[$i]}" ] ; then |
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echo " User ${user[$i]}" |
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fi |
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if [ ! -z "${options[$i]}" ] ; then |
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echo "${options[${i}]}" |
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fi |
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if [ ! -z "$socks" ] && [ $i -eq ${hops} ] ; then |
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echo " DynamicForward localhost:${socks}" |
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fi |
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echo " ProxyCommand ssh -F ${conffile} ${opt} ${host[${i}-1]} -W ${hostname[${i}]}:${port[${i}]}" |
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echo " " |
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let i=i-1 |
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done |
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echo "Host ${host[${i}]}" |
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echo " Hostname ${hostname[${i}]}" |
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echo " Port ${port[${i}]}" |
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if [ ! -z "${user[$i]}" ] ; then |
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echo " User ${user[$i]}" >> "$conffile" |
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echo " User ${user[$i]}" |
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fi |
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if [ ! -z "${options[$i]}" ] ; then |
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echo "${options[${i}]}" >> "$conffile" |
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fi |
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if [ ! -z "$socks" ] && [ $i -eq ${hops} ] ; then |
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echo " DynamicForward localhost:${socks}" >> "$conffile" |
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fi |
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echo " ProxyCommand ssh -F ${conffile} ${opt} ${host[${i}-1]} -W ${hostname[${i}]}:${port[${i}]}" >> "$conffile" |
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echo " " >> "$conffile" |
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let i=i-1 |
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done |
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echo "Host ${host[${i}]}" >> "$conffile" |
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echo " Hostname ${hostname[${i}]}" >> "$conffile" |
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echo " Port ${port[${i}]}" >> "$conffile" |
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if [ ! -z "${user[$i]}" ] ; then |
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echo " User ${user[$i]}" >> "$conffile" |
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fi |
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echo "${options[${i}]}" >> "$conffile" |
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echo " " >> "$conffile" |
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echo "${options[${i}]}" |
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echo " " |
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} >> "$conffile" |
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sed -n "/^Host \*\( \|$\)/,/^$/p" ~/.ssh/config >> "$conffile" |
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if [ ${_USE_DEBUG} -eq 1 ]; then |
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@ -316,12 +321,12 @@ if [ ${_USE_DEBUG} -eq 1 ]; then |
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debug "" |
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cat "$conffile" |
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debug "" |
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for (( i=1; i<=$hops; i++ )); do |
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for (( i=1; i<=hops; i++ )); do |
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debug "hop $i is ${host[${i}]}" |
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done |
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fi |
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debug "command: sshrc ${opt} -F $conffile ${host[${hops}]}" |
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sshrc ${opt} -F $conffile ${host[${hops}]} |
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sshrc ${opt} -F "$conffile" "${host[${hops}]}" |
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graceful_exit |
srvrco
10 years ago