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# sshp | ||
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A wrapper for ssh for simple access via password |
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#!/usr/bin/env bash | ||
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OPENSSL_ENC_FLAGS=("-des3" "-base64" "-pbkdf2") | ||
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show_help() { | ||
cat <<EOF | ||
USAGE: | ||
${0##*/} [option] [name] [ssh options] | ||
DESCRIPTION: | ||
A wrapper for ssh for simple access via password | ||
OPTIONS: | ||
Show this message | ||
--help | ||
Add new credentials | ||
--add name destination[:port] password [identity_file] | ||
Remove credentials | ||
--remove name | ||
List credentials | ||
--list | ||
Disable copying password to clipboard | ||
--clipoff | ||
EOF | ||
} | ||
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add_creds() { | ||
if [[ $# -lt 3 ]]; then | ||
show_help | ||
exit 1 | ||
fi | ||
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creds_name="$1" | ||
dest_port="$2" | ||
pass="$3" | ||
ident_filepath="$4" | ||
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meta_filepath="$HOME/.ssh/meta/$creds_name" | ||
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if [[ -f "$meta_filepath" ]]; then | ||
echo "Credentials $creds_name is already exist" >&2 | ||
exit 1 | ||
fi | ||
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read -sp 'Enter passphrase: ' passphrase && echo | ||
passenc=$(echo "$pass" | openssl enc -e "${OPENSSL_ENC_FLAGS[@]}" -pass "pass:$passphrase") | ||
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if [[ -z "$ident_filepath" ]]; then | ||
meta="$dest_port $passenc" | ||
else | ||
meta="$dest_port $passenc $ident_filepath" | ||
fi | ||
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echo "$meta" > "$meta_filepath" && \ | ||
chmod 600 "$meta_filepath" && \ | ||
echo "Credentials $creds_name was successfully added" | ||
} | ||
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remove_creds() { | ||
if [[ $# -lt 1 ]]; then | ||
show_help | ||
exit 1 | ||
fi | ||
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creds_name="$1" | ||
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meta_filepath="$HOME/.ssh/meta/$creds_name" | ||
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if [[ ! -f "$meta_filepath" ]]; then | ||
echo "Credentials $creds_name is not exist" >&2 | ||
exit 1 | ||
fi | ||
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rm "$meta_filepath" && \ | ||
echo "Credentials $creds_name was successfully removed" | ||
} | ||
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list_creds() { | ||
for meta_filepath in $HOME/.ssh/meta/*; do | ||
[[ -f "$meta_filepath" ]] || continue | ||
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creds_name=$(basename "$meta_filepath") | ||
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echo -n "$creds_name " | ||
cat "$meta_filepath" | cut -d ' ' -f 1 | ||
done | column -t | ||
} | ||
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connect() { | ||
clipoff=0 | ||
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if [[ "$1" == "--clipoff" ]]; then | ||
clipoff=1 | ||
shift | ||
fi | ||
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creds_name="$1" | ||
meta_filepath="$HOME/.ssh/meta/$creds_name" | ||
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if [[ -z "$creds_name" || ! -f "$meta_filepath" ]]; then | ||
ssh "$@" | ||
exit | ||
fi | ||
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shift | ||
ssh_params=("$@") | ||
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meta=$(cat "$meta_filepath") | ||
dest_port=$(echo "$meta" | cut -d ' ' -f 1) | ||
passenc=$(echo "$meta" | cut -d ' ' -f 2) | ||
ident_filepath=$(echo "$meta" | cut -d ' ' -f 3) | ||
dest=$(echo "$dest_port" | cut -d ':' -f 1) | ||
port=$(echo "$dest_port" | cut -d ':' -f 2) | ||
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tries=0 | ||
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while :; do | ||
read -sp "$creds_name's passphrase: " passphrase && echo | ||
pass=$(echo "$passenc" | openssl enc -d "${OPENSSL_ENC_FLAGS[@]}" -pass "pass:$passphrase" 2>&1) | ||
(( ++tries )) | ||
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[[ "$pass" != *"bad decrypt"* ]] && break | ||
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echo 'Permission denied, please try again.' >&2 | ||
[[ $tries -ge 3 ]] && exit 1 | ||
done | ||
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if [[ -n "$ident_filepath" ]]; then | ||
ssh_params+=("-i" "$ident_filepath") | ||
fi | ||
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if [[ "$dest" != "$port" ]]; then | ||
ssh_params+=("-p" "$port") | ||
fi | ||
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if [[ $clipoff -ne 1 ]]; then | ||
echo -n "$pass" | xclip -selection clipboard | ||
fi | ||
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sshpass -p "$pass" ssh "${ssh_params[@]}" "$dest" | ||
} | ||
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case "$1" in | ||
--help) | ||
show_help | ||
;; | ||
--add) | ||
shift | ||
add_creds "$@" | ||
;; | ||
--remove) | ||
shift | ||
remove_creds "$@" | ||
;; | ||
--list) | ||
list_creds | ||
;; | ||
*) | ||
connect "$@" | ||
;; | ||
esac |