mirror of
https://github.com/Nexoniarz/nexoniarz-config-nixos.git
synced 2026-11-03 04:24:27 +00:00
1033 lines
35 KiB
Shell
Executable file
1033 lines
35 KiB
Shell
Executable file
#!/usr/bin/env bash
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# SPDX-License-Identifier: Apache-2.0
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# Copyright 2026 Nexoniarz
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#
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# NexoPass: passwords derived from one master, nothing stored in plain text.
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#
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# password = Argon2id(master, site + version + mode + user). The same input
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# always gives the same password, so no password is ever saved anywhere.
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# The vault only remembers which sites you use, their current version and the
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# archive of old versions. It is encrypted (GnuPG, AES-256) with a key that is
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# also derived from the master.
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#
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# Case never matters: the master, site names and account names are lowercased.
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# The master is a list of words: any whitespace between them counts as one space.
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#
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# Must stay byte-for-byte compatible with the NexoPass Android app.
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set -euo pipefail
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export LC_ALL=C
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NEXOPASS_VERSION="1.1.0"
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WORDLIST="${NEXOPASS_WORDLIST:-$(dirname "$(readlink -f "$0")")/eff_large_wordlist.txt}"
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WORDLIST_SHA256="addd35536511597a02fa0a9ff1e5284677b8883b83e986e43f15a3db996b903e"
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VAULT="${NEXOPASS_VAULT:-${XDG_DATA_HOME:-$HOME/.local/share}/nexopass/vault.gpg}"
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DATA_DIR=$(dirname "$VAULT")
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QUICK="$DATA_DIR/quick.gpg"
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QUICK_META="$DATA_DIR/quick.meta"
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CONFIG="${NEXOPASS_CONFIG:-${XDG_CONFIG_HOME:-$HOME/.config}/nexopass/config}"
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# Changing any of these changes every password.
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SALT_PREFIX="nexopass:v1"
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ARGON_T=3
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ARGON_M=16 # 2^16 KiB = 64 MiB
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ARGON_P=1
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SITE_BYTES=1024
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WORD_COUNT=5
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UPPER="ABCDEFGHJKLMNPQRSTUVWXYZ"
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LOWER="abcdefghijkmnopqrstuvwxyz"
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DIGITS="23456789"
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SYMBOLS='!@#$%&*?-_+='
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TWO_PART_TLDS="com.pl net.pl org.pl edu.pl gov.pl info.pl biz.pl co.uk org.uk ac.uk com.au co.jp com.br"
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# Quick unlock keys are slower on purpose: a PIN has few combinations.
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QUICK_T=4
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QUICK_M=18 # 2^18 KiB = 256 MiB
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MIN_MASTER_WORDS=3
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MIN_MASTER_BYTES=12
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SEP=$'\x1f'
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VAULT_HEADER="# nexopass vault v1"
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die() { echo "${RED:-}[!]${RST:-} $*" >&2; exit 1; }
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info() { echo "${CYAN}[*]${RST} $*" >&2; }
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warn() { echo "${YELLOW}[!]${RST} $*" >&2; }
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ok() { echo "${GREEN}[+]${RST} $*"; }
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setup_colors() {
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if [[ $CFG_COLOR != never && -t 1 && -t 2 && -z ${NO_COLOR:-} ]]; then
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RST=$'\e[0m' BOLD=$'\e[1m' DIM=$'\e[2m' RED=$'\e[31m' GREEN=$'\e[32m'
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YELLOW=$'\e[33m' MAGENTA=$'\e[35m' CYAN=$'\e[36m'
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else
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RST="" BOLD="" DIM="" RED="" GREEN="" YELLOW="" MAGENTA="" CYAN=""
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fi
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}
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usage() {
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cat <<EOF
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${BOLD}${MAGENTA}NexoPass${RST} $NEXOPASS_VERSION - passwords derived from one master, nothing stored in plain text.
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${BOLD}Usage:${RST} nexopass [command] [site] [options]
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${BOLD}Passwords:${RST}
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${CYAN}get${RST} <site> Show the password for a site (adds the site on first use)
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${CYAN}rotate${RST} <site> After a breach: switch to the next version, archive the old one
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${CYAN}list${RST} List your sites with their current version
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${CYAN}history${RST} <site> Show all versions of a site, old ones included
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${CYAN}remove${RST} <site> Remove a site from the list (passwords themselves don't change)
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${BOLD}Vault and security:${RST}
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${CYAN}settings${RST} Quick unlock (PIN/password), auto-lock, clipboard, defaults...
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${CYAN}export${RST} [file] Save an encrypted copy of your site list (opens on the phone too)
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${CYAN}import${RST} <file> Merge an exported site list into this one
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${CYAN}lock${RST} Forget the remembered master right now
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${CYAN}show-master${RST} Show your master (needs your PIN/password)
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${CYAN}new-master${RST} [N] Generate a random master of N words (default 6)
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${CYAN}about${RST} Version, author, license
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nexopass <site> Same as: nexopass get <site>
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nexopass Interactive session: unlock once, then type commands
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${BOLD}Options:${RST}
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-u, --user NAME Account name, for several accounts on one site
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-n, --length N Random characters (12-64) instead of words, for sites
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with a length limit; set when adding or rotating a site
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-v, --version N Start a new site at version N (e.g. already rotated on phone)
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-c, --copy Copy to clipboard instead of printing
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-s, --show With list/history: also show the passwords
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-h, --help Show this help
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Case never matters. The master is ${MIN_MASTER_WORDS}+ words separated by spaces:
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3 is the minimum, 4 recommended, 6 the safest.
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EOF
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}
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about() {
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cat <<EOF
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${BOLD}${MAGENTA}NexoPass${RST} $NEXOPASS_VERSION
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Passwords derived from one master, nothing stored in plain text.
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Compatible with the NexoPass Android app.
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Made by ${BOLD}Nexoniarz${RST}
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License: Apache License 2.0
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EOF
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}
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# --- settings ---------------------------------------------------------------
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# Plain key=value file, nothing secret in it. Unknown or invalid lines are ignored.
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load_config() {
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CFG_CACHE=5 CFG_CLIP=30 CFG_LENGTH=0 CFG_COLOR=auto CFG_ATTEMPTS=5
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[[ -f $CONFIG ]] || return 0
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local k v
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while IFS='=' read -r k v; do
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case $k in
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cache_minutes) [[ $v =~ ^(0|1|5|15|30|60)$ ]] && CFG_CACHE=$v ;;
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clip_seconds) [[ $v =~ ^(10|15|30|60|120)$ ]] && CFG_CLIP=$v ;;
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default_length) [[ $v == 0 || $v =~ ^(1[2-9]|[2-5][0-9]|6[0-4])$ ]] && CFG_LENGTH=$v ;;
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color) [[ $v =~ ^(auto|never)$ ]] && CFG_COLOR=$v ;;
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max_attempts) [[ $v =~ ^(3|5|10)$ ]] && CFG_ATTEMPTS=$v ;;
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esac
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done <"$CONFIG"
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}
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save_config() {
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mkdir -p "$(dirname "$CONFIG")"
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printf '%s\n' "# NexoPass settings, change with: nexopass settings" \
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"cache_minutes=$CFG_CACHE" "clip_seconds=$CFG_CLIP" "default_length=$CFG_LENGTH" \
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"color=$CFG_COLOR" "max_attempts=$CFG_ATTEMPTS" >"$CONFIG.tmp"
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mv "$CONFIG.tmp" "$CONFIG"
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}
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# --- normalization ----------------------------------------------------------
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trim() {
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local s=$1
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s="${s#"${s%%[![:space:]]*}"}"
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printf '%s' "${s%"${s##*[![:space:]]}"}"
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}
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# Unicode-aware lowercase. Runs in a subshell with builtins only, so the value
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# never reaches the process list.
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lower() {
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(
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LC_ALL=C.UTF-8
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printf '%s' "${1,,}"
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)
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}
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# 'https://www.Allegro.pl/konto' -> 'allegro', 'Discord' -> 'discord'
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normalize_site() {
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local s n
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s=$(trim "${1,,}")
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[[ $s == *://* ]] && s="${s#*://}"
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s="${s%%[/?#]*}"
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s="${s##*@}"
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s="${s%%:*}"
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s="${s#www.}"
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s="${s%.}"
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[[ -n $s && $s != .* && $s != *. && $s != *..* ]] || return 1
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local -a l
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IFS=. read -ra l <<<"$s"
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n=${#l[@]}
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if ((n >= 3)) && [[ " $TWO_PART_TLDS " == *" ${l[n - 2]}.${l[n - 1]} "* ]]; then
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s=${l[n - 3]}
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elif ((n >= 2)); then
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s=${l[n - 2]}
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fi
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[[ $s =~ ^[a-z0-9-]+$ ]] || return 1
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printf '%s' "$s"
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}
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normalize_user() {
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local u
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u=$(trim "$(lower "$1")")
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[[ $u != *[[:cntrl:]]* ]] || return 1
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printf '%s' "$u"
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}
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# Lowercase, and any run of spaces/tabs/newlines becomes a single space.
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normalize_master() {
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local -a w
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read -ra w <<<"$(lower "$1")"
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local IFS=' '
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MASTER="${w[*]}"
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}
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# Prints the strength label; fails when the master is below the minimum.
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master_strength() {
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local -a w
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read -ra w <<<"$MASTER"
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local n=${#w[@]}
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if ((n < MIN_MASTER_WORDS || ${#MASTER} < MIN_MASTER_BYTES)); then
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echo "too short: at least $MIN_MASTER_WORDS words and $MIN_MASTER_BYTES characters"
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return 1
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fi
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case $n in
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3) echo "3 words: minimum" ;;
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4) echo "4 words: recommended" ;;
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5) echo "5 words: strong" ;;
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*) echo "$n words: safest" ;;
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esac
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}
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# --- key derivation ---------------------------------------------------------
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# derive_hex <salt> <bytes>: Argon2id(master, salt) as hex. The master goes
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# through a pipe from a builtin, so it never shows up in the process list.
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derive_hex() {
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printf '%s' "$MASTER" | argon2 "$1" -id -t "$ARGON_T" -m "$ARGON_M" -p "$ARGON_P" -l "$2" -r
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}
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# Turns hex into a list of 32-bit numbers that pick() consumes in order.
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load_ints() {
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local hex=$1 i
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INTS=()
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POS=0
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for ((i = 0; i < ${#hex}; i += 8)); do
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INTS+=($((16#${hex:i:8})))
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done
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}
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# pick <n>: unbiased number 0..n-1 into REPLY.
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pick() {
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local n=$1 limit x
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limit=$((4294967296 - 4294967296 % n))
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while ((POS < ${#INTS[@]})); do
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x=${INTS[POS]}
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POS=$((POS + 1))
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if ((x < limit)); then
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REPLY=$((x % n))
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return
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fi
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done
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die "Ran out of random data (should never happen)."
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}
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load_words() {
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[[ -f $WORDLIST ]] || die "Word list not found: $WORDLIST"
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local sum
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sum=$(sha256sum "$WORDLIST")
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[[ ${sum%% *} == "$WORDLIST_SHA256" ]] || die "Word list differs from the EFF original, passwords would not match."
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WORDS=()
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local _num word
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while IFS=$'\t' read -r _num word; do
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WORDS+=("$word")
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done <"$WORDLIST"
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}
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# make_password <site> <user> <version> <mode>: result in PASSWORD.
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make_password() {
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local site=$1 user=$2 version=$3 mode=$4 hex i j t
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hex=$(derive_hex "$SALT_PREFIX:site:$site:$version:$mode:$user" "$SITE_BYTES") || die "Argon2 failed."
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load_ints "$hex"
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PASSWORD=""
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if [[ $mode == words ]]; then
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for ((i = 0; i < WORD_COUNT; i++)); do
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pick "${#WORDS[@]}"
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PASSWORD+="${PASSWORD:+-}${WORDS[REPLY]^}"
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done
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pick "${#DIGITS}"
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PASSWORD+="${DIGITS:REPLY:1}"
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else
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# One character from each group, the rest from all of them, then shuffle.
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local len=${mode#chars} all="$UPPER$LOWER$DIGITS$SYMBOLS" group
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local -a c=()
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for group in "$UPPER" "$LOWER" "$DIGITS" "$SYMBOLS"; do
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pick "${#group}"
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c+=("${group:REPLY:1}")
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done
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for ((i = 4; i < len; i++)); do
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pick "${#all}"
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c+=("${all:REPLY:1}")
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done
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for ((i = len - 1; i > 0; i--)); do
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pick $((i + 1))
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j=$REPLY
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t=${c[i]}
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c[i]=${c[j]}
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c[j]=$t
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done
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PASSWORD=$(printf '%s' "${c[@]}")
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fi
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}
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# Two words that are always the same for the same master. Same on the phone.
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check_words() {
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local hex
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hex=$(derive_hex "$SALT_PREFIX:check" 32) || die "Argon2 failed."
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load_ints "$hex"
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pick "${#WORDS[@]}"
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local a=${WORDS[REPLY]}
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pick "${#WORDS[@]}"
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printf '%s %s' "$a" "${WORDS[REPLY]}"
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}
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# --- gpg helpers ------------------------------------------------------------
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# gpg_pass <passphrase> <gpg args...>: the passphrase goes in through fd 3.
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gpg_pass() {
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local pass=$1
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shift
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gpg --batch --quiet --no-symkey-cache --pinentry-mode loopback \
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--passphrase-fd 3 "$@" 3< <(printf '%s\n' "$pass")
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}
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# --- vault ------------------------------------------------------------------
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# Plain text inside the encryption: one line per version, fields separated by
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# 0x1F: site, user, version, mode, since, until (empty until = current).
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# parse_records <text> <prefix>: fills <prefix>_SITE, _USER... arrays.
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parse_records() {
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local -n ps=${2}_SITE pu=${2}_USER pv=${2}_VER pm=${2}_MODE pa=${2}_SINCE pb=${2}_UNTIL
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ps=() pu=() pv=() pm=() pa=() pb=()
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local line site
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while IFS= read -r line; do
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[[ -z $line || $line == \#* ]] && continue
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local -a f
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IFS=$SEP read -ra f <<<"$line$SEP"
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((${#f[@]} >= 5)) || continue
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[[ ${f[2]} =~ ^[1-9][0-9]{0,3}$ ]] || continue
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site=$(normalize_site "${f[0]}") || continue
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[[ $site == "${f[0]}" ]] || continue
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ps+=("${f[0]}") pu+=("${f[1]:-}") pv+=("${f[2]}") pm+=("${f[3]}") pa+=("${f[4]}") pb+=("${f[5]:-}")
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done <<<"$1"
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}
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vault_text() {
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local i
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echo "$VAULT_HEADER"
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for i in "${!R_SITE[@]}"; do
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printf '%s\n' "${R_SITE[i]}$SEP${R_USER[i]}$SEP${R_VER[i]}$SEP${R_MODE[i]}$SEP${R_SINCE[i]}$SEP${R_UNTIL[i]}"
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done
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}
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vault_load() {
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R_SITE=() R_USER=() R_VER=() R_MODE=() R_SINCE=() R_UNTIL=()
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[[ -f $VAULT ]] || return 0
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local plain
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plain=$(gpg_pass "$VAULT_KEY" --decrypt "$VAULT" 2>/dev/null) || return 1
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parse_records "$plain" R
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}
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vault_save() {
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local tmp
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(umask 077 && mkdir -p "$DATA_DIR")
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tmp=$(mktemp "$DATA_DIR/.vault.XXXXXX")
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vault_text | gpg_pass "$VAULT_KEY" --yes --symmetric --cipher-algo AES256 --output "$tmp" || {
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rm -f "$tmp"
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die "Could not save the vault."
|
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}
|
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[[ -f $VAULT ]] && cp -p "$VAULT" "$VAULT.bak"
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mv "$tmp" "$VAULT"
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}
|
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|
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# find_current <site> <user>: index of the current version into REPLY, or fail.
|
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find_current() {
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local i
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for i in "${!R_SITE[@]}"; do
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if [[ ${R_SITE[i]} == "$1" && ${R_USER[i]} == "$2" && -z ${R_UNTIL[i]} ]]; then
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REPLY=$i
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return 0
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fi
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done
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return 1
|
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}
|
||
|
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add_record() {
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R_SITE+=("$1") R_USER+=("$2") R_VER+=("$3") R_MODE+=("$4") R_SINCE+=("$(date +%F)") R_UNTIL+=("")
|
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}
|
||
|
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# Merges the I_* arrays into R_*. Per site and account the highest version is
|
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# the current one, every lower version is archived. Same rule as the app.
|
||
merge_records() {
|
||
local -a lines=()
|
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local i
|
||
mapfile -t lines < <(
|
||
{
|
||
for i in "${!R_SITE[@]}"; do
|
||
printf '%s\n' "${R_SITE[i]}$SEP${R_USER[i]}$SEP${R_VER[i]}$SEP${R_MODE[i]}$SEP${R_SINCE[i]}$SEP${R_UNTIL[i]}"
|
||
done
|
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for i in "${!I_SITE[@]}"; do
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||
printf '%s\n' "${I_SITE[i]}$SEP${I_USER[i]}$SEP${I_VER[i]}$SEP${I_MODE[i]}$SEP${I_SINCE[i]}$SEP${I_UNTIL[i]}"
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done
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} | sort -t "$SEP" -k1,1 -k2,2 -k3,3n
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)
|
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R_SITE=() R_USER=() R_VER=() R_MODE=() R_SINCE=() R_UNTIL=()
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local line n
|
||
for line in "${lines[@]}"; do
|
||
local -a f
|
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IFS=$SEP read -ra f <<<"$line$SEP"
|
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n=$((${#R_SITE[@]} - 1))
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if ((n >= 0)) && [[ ${R_SITE[n]} == "${f[0]}" && ${R_USER[n]} == "${f[1]:-}" && ${R_VER[n]} == "${f[2]}" ]]; then
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# Same version twice: keep the archived copy, it knows its end date.
|
||
[[ -z ${R_UNTIL[n]} ]] && R_UNTIL[n]=${f[5]:-}
|
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continue
|
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fi
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R_SITE+=("${f[0]}") R_USER+=("${f[1]:-}") R_VER+=("${f[2]}") R_MODE+=("${f[3]}") R_SINCE+=("${f[4]}") R_UNTIL+=("${f[5]:-}")
|
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done
|
||
for i in "${!R_SITE[@]}"; do
|
||
n=$((i + 1))
|
||
if ((n < ${#R_SITE[@]})) && [[ ${R_SITE[n]} == "${R_SITE[i]}" && ${R_USER[n]} == "${R_USER[i]}" ]]; then
|
||
[[ -z ${R_UNTIL[i]} ]] && R_UNTIL[i]=${R_SINCE[n]}
|
||
else
|
||
R_UNTIL[i]=""
|
||
fi
|
||
done
|
||
}
|
||
|
||
# --- unlocking --------------------------------------------------------------
|
||
# Order: master remembered in the kernel keyring (if "stay unlocked" is on),
|
||
# then quick unlock (PIN/password), then the master itself.
|
||
|
||
cache_name() {
|
||
local h
|
||
h=$(printf '%s' "$VAULT" | sha256sum)
|
||
printf 'nexopass:%s' "${h:0:16}"
|
||
}
|
||
|
||
cache_get() {
|
||
((CFG_CACHE > 0)) || return 1
|
||
local id
|
||
id=$(keyctl search @u user "$(cache_name)" 2>/dev/null) || return 1
|
||
MASTER=$(keyctl pipe "$id" 2>/dev/null) || return 1
|
||
keyctl timeout "$id" $((CFG_CACHE * 60)) &>/dev/null || true
|
||
}
|
||
|
||
cache_put() {
|
||
((CFG_CACHE > 0)) || return 0
|
||
local id
|
||
id=$(printf '%s' "$MASTER" | keyctl padd user "$(cache_name)" @u) || return 0
|
||
keyctl timeout "$id" $((CFG_CACHE * 60)) &>/dev/null || true
|
||
}
|
||
|
||
cache_clear() {
|
||
local id
|
||
id=$(keyctl search @u user "$(cache_name)" 2>/dev/null) || return 0
|
||
keyctl unlink "$id" @u &>/dev/null || true
|
||
}
|
||
|
||
quick_method() {
|
||
[[ -f $QUICK && -f $QUICK_META ]] || return 1
|
||
sed -n 's/^method=//p' "$QUICK_META"
|
||
}
|
||
|
||
quick_meta_get() { sed -n "s/^$1=//p" "$QUICK_META"; }
|
||
|
||
quick_meta_set_failed() {
|
||
local m s
|
||
m=$(quick_meta_get method)
|
||
s=$(quick_meta_get salt)
|
||
printf 'method=%s\nsalt=%s\nfailed=%s\n' "$m" "$s" "$1" >"$QUICK_META"
|
||
}
|
||
|
||
quick_key() {
|
||
printf '%s' "$1" | argon2 "$2" -id -t "$QUICK_T" -m "$QUICK_M" -p 1 -l 32 -r
|
||
}
|
||
|
||
quick_remove() {
|
||
rm -f "$QUICK" "$QUICK_META"
|
||
}
|
||
|
||
# Asks for the PIN/password until it works or the attempts run out.
|
||
# Fails (so the caller asks for the master) on empty input.
|
||
quick_unlock() {
|
||
local method name secret key salt failed left
|
||
method=$(quick_method) || return 1
|
||
name=PIN
|
||
[[ $method == password ]] && name=Password
|
||
salt=$(quick_meta_get salt)
|
||
while true; do
|
||
read -rsp "${BOLD}$name${RST} ${DIM}(Enter = use master)${RST}: " secret </dev/tty
|
||
echo >&2
|
||
[[ -n $secret ]] || return 1
|
||
info "Unlocking..."
|
||
key=$(quick_key "$secret" "$salt") || die "Argon2 failed."
|
||
if MASTER=$(gpg_pass "$key" --decrypt "$QUICK" 2>/dev/null); then
|
||
quick_meta_set_failed 0
|
||
return 0
|
||
fi
|
||
failed=$(($(quick_meta_get failed) + 1))
|
||
left=$((CFG_ATTEMPTS - failed))
|
||
if ((left <= 0)); then
|
||
quick_remove
|
||
warn "Too many wrong attempts: quick unlock removed. Use your master, then set it up again in settings."
|
||
return 1
|
||
fi
|
||
quick_meta_set_failed "$failed"
|
||
warn "Wrong ${name,,}. $left attempt(s) left."
|
||
done
|
||
}
|
||
|
||
# Asks for the PIN/password once without counting it as unlock; for show-master.
|
||
quick_verify() {
|
||
local method name secret key
|
||
method=$(quick_method) || return 1
|
||
name=PIN
|
||
[[ $method == password ]] && name=Password
|
||
read -rsp "${BOLD}$name${RST}: " secret </dev/tty
|
||
echo >&2
|
||
key=$(quick_key "$secret" "$(quick_meta_get salt)") || return 1
|
||
QUICK_MASTER=$(gpg_pass "$key" --decrypt "$QUICK" 2>/dev/null)
|
||
}
|
||
|
||
quick_setup() {
|
||
local method=$1 name secret again salt key
|
||
name=PIN
|
||
[[ $method == password ]] && name=password
|
||
if [[ $method == pin ]]; then
|
||
warn "This PC has no TPM chip, so anyone who copies your quick-unlock file can try"
|
||
warn "PINs offline. A 6-digit PIN holds for days, not years. A password is safer."
|
||
fi
|
||
read -rsp "New $name: " secret </dev/tty
|
||
echo >&2
|
||
if [[ $method == pin ]]; then
|
||
[[ $secret =~ ^[0-9]{6,32}$ ]] || die "A PIN is 6 to 32 digits."
|
||
else
|
||
((${#secret} >= 8)) || die "A password needs at least 8 characters."
|
||
fi
|
||
read -rsp "Repeat $name: " again </dev/tty
|
||
echo >&2
|
||
[[ $secret == "$again" ]] || die "They don't match."
|
||
info "Saving..."
|
||
salt=$(od -An -tx1 -N16 /dev/urandom | tr -d ' \n')
|
||
key=$(quick_key "$secret" "$salt") || die "Argon2 failed."
|
||
(umask 077 && mkdir -p "$DATA_DIR")
|
||
printf '%s' "$MASTER" | gpg_pass "$key" --yes --symmetric --cipher-algo AES256 --output "$QUICK.tmp" ||
|
||
die "Could not save quick unlock."
|
||
mv "$QUICK.tmp" "$QUICK"
|
||
printf 'method=%s\nsalt=%s\nfailed=0\n' "$method" "$salt" >"$QUICK_META"
|
||
chmod 600 "$QUICK" "$QUICK_META"
|
||
ok "Quick unlock with a $name is on. Your master still works too."
|
||
}
|
||
|
||
read_master() {
|
||
local raw
|
||
read -rsp "${BOLD}Master:${RST} " raw </dev/tty
|
||
echo >&2
|
||
normalize_master "$raw"
|
||
[[ -n $MASTER ]] || die "Empty master."
|
||
((${#MASTER} <= 127)) || die "Master is too long (max 127 bytes)."
|
||
}
|
||
|
||
# First run: the master is typed twice, must meet the minimum, and the vault
|
||
# is created right away.
|
||
create_vault() {
|
||
local first strength raw choice
|
||
echo "${BOLD}Welcome to NexoPass.${RST} No vault yet, so let's create one."
|
||
echo "Your master is ${MIN_MASTER_WORDS}+ words: 3 is the minimum, 4 recommended, 6 the safest."
|
||
echo "Need one? Run: ${CYAN}nexopass new-master${RST}"
|
||
read_master
|
||
first=$MASTER
|
||
strength=$(master_strength) || die "Master is $strength."
|
||
read -rsp "Repeat master: " raw </dev/tty
|
||
echo >&2
|
||
normalize_master "$raw"
|
||
[[ $MASTER == "$first" ]] || die "Masters don't match."
|
||
info "Master strength: ${BOLD}$strength${RST}"
|
||
info "Check words: ${BOLD}$(check_words)${RST} (the phone app shows the same for the same master)"
|
||
VAULT_KEY=$(derive_hex "$SALT_PREFIX:vault" 32) || die "Argon2 failed."
|
||
R_SITE=() R_USER=() R_VER=() R_MODE=() R_SINCE=() R_UNTIL=()
|
||
vault_save
|
||
ok "Vault created."
|
||
read -rp "Set up quick unlock so you don't type the master every time? [p]assword / P[I]N / [n]o: " choice </dev/tty
|
||
case ${choice,,} in
|
||
p*) quick_setup password ;;
|
||
i*) quick_setup pin ;;
|
||
esac
|
||
}
|
||
|
||
unlock() {
|
||
if [[ ! -f $VAULT ]]; then
|
||
create_vault
|
||
cache_put
|
||
return
|
||
fi
|
||
local from=typed
|
||
if cache_get; then
|
||
from=cache
|
||
elif quick_unlock; then
|
||
from=quick
|
||
else
|
||
read_master
|
||
fi
|
||
[[ $from == typed ]] && info "Unlocking..."
|
||
VAULT_KEY=$(derive_hex "$SALT_PREFIX:vault" 32) || die "Argon2 failed."
|
||
if ! vault_load; then
|
||
[[ $from == cache ]] && cache_clear
|
||
die "Cannot open the vault: wrong master?"
|
||
fi
|
||
cache_put
|
||
UNLOCKED=1
|
||
}
|
||
|
||
ensure_unlocked() {
|
||
((${UNLOCKED:-0})) || unlock
|
||
UNLOCKED=1
|
||
}
|
||
|
||
# --- typo suggestions -------------------------------------------------------
|
||
|
||
# distance <a> <b>: edit distance into REPLY, a swap of two letters counts as one.
|
||
distance() {
|
||
local a=$1 b=$2 la=${#1} lb=${#2} w i j cost v
|
||
w=$((lb + 1))
|
||
local -a d=()
|
||
for ((i = 0; i <= la; i++)); do d[i * w]=$i; done
|
||
for ((j = 0; j <= lb; j++)); do d[j]=$j; done
|
||
for ((i = 1; i <= la; i++)); do
|
||
for ((j = 1; j <= lb; j++)); do
|
||
cost=1
|
||
[[ ${a:i-1:1} == "${b:j-1:1}" ]] && cost=0
|
||
v=$((d[(i - 1) * w + j] + 1))
|
||
((d[i * w + j - 1] + 1 < v)) && v=$((d[i * w + j - 1] + 1))
|
||
((d[(i - 1) * w + j - 1] + cost < v)) && v=$((d[(i - 1) * w + j - 1] + cost))
|
||
if ((i > 1 && j > 1)) && [[ ${a:i-1:1} == "${b:j-2:1}" && ${a:i-2:1} == "${b:j-1:1}" ]]; then
|
||
((d[(i - 2) * w + j - 2] + 1 < v)) && v=$((d[(i - 2) * w + j - 2] + 1))
|
||
fi
|
||
d[i * w + j]=$v
|
||
done
|
||
done
|
||
REPLY=${d[la * w + lb]}
|
||
}
|
||
|
||
# If SITE/USER_NAME is not on the list but something close is, asks whether
|
||
# that was meant and switches to it. An exact match never asks anything.
|
||
resolve_typo() {
|
||
find_current "$SITE" "$USER_NAME" && return 0
|
||
local i limit=2 n=0 ans
|
||
((${#SITE} <= 4)) && limit=1
|
||
local -a cand=()
|
||
while IFS=' ' read -r _ i; do
|
||
[[ -n $i ]] && cand+=("$i")
|
||
done < <(
|
||
for i in "${!R_SITE[@]}"; do
|
||
[[ -z ${R_UNTIL[i]} ]] || continue
|
||
if ((${#SITE} - ${#R_SITE[i]} > limit || ${#R_SITE[i]} - ${#SITE} > limit)); then continue; fi
|
||
distance "$SITE" "${R_SITE[i]}"
|
||
((REPLY <= limit)) && echo "$REPLY $i"
|
||
done | sort -n | head -5
|
||
)
|
||
((${#cand[@]})) || return 1
|
||
echo "${YELLOW}?${RST} '$(label "$SITE" "$USER_NAME")' is not on your list. Did you mean:" >&2
|
||
for i in "${cand[@]}"; do
|
||
n=$((n + 1))
|
||
echo " ${BOLD}$n)${RST} $(label "${R_SITE[i]}" "${R_USER[i]}")" >&2
|
||
done
|
||
echo " ${BOLD}0)${RST} no, '$(label "$SITE" "$USER_NAME")' is a different site" >&2
|
||
read -rp "Choice [1]: " ans </dev/tty
|
||
ans=${ans:-1}
|
||
[[ $ans =~ ^[0-9]{1,2}$ ]] || return 1
|
||
((ans >= 1 && ans <= ${#cand[@]})) || return 1
|
||
i=${cand[ans - 1]}
|
||
SITE=${R_SITE[i]} USER_NAME=${R_USER[i]}
|
||
find_current "$SITE" "$USER_NAME"
|
||
}
|
||
|
||
# --- output -----------------------------------------------------------------
|
||
|
||
label() {
|
||
local s=$1
|
||
[[ -n $2 ]] && s="$1 ($2)"
|
||
[[ -n ${3:-} ]] && s+=" v$3"
|
||
printf '%s' "$s"
|
||
}
|
||
|
||
output_password() {
|
||
if ((COPY)); then
|
||
printf '%s' "$PASSWORD" | wl-copy
|
||
local pw=$PASSWORD
|
||
(
|
||
sleep "$CFG_CLIP"
|
||
[[ "$(wl-paste -n 2>/dev/null)" == "$pw" ]] && wl-copy --clear
|
||
) &>/dev/null &
|
||
disown
|
||
ok "${BOLD}$1${RST}: copied, clipboard clears in $CFG_CLIP s."
|
||
else
|
||
ok "${BOLD}$1${RST}:"
|
||
printf ' %s\n' "${BOLD}${MAGENTA}$PASSWORD${RST}"
|
||
fi
|
||
}
|
||
|
||
ask_yes() {
|
||
local answer
|
||
read -rp "${YELLOW}?${RST} $1 [y/N] " answer </dev/tty
|
||
[[ $answer == [yY]* ]]
|
||
}
|
||
|
||
mode_label() {
|
||
if [[ $1 == words ]]; then echo "words"; else echo "${1#chars} characters"; fi
|
||
}
|
||
|
||
# --- commands ---------------------------------------------------------------
|
||
|
||
need_site() {
|
||
[[ -n $SITE_ARG ]] || die "Which site? e.g. nexopass $CMD discord"
|
||
SITE=$(normalize_site "$SITE_ARG") || die "Not a valid site name: $SITE_ARG"
|
||
}
|
||
|
||
cmd_get() {
|
||
need_site
|
||
local i mode
|
||
if resolve_typo; then
|
||
i=$REPLY
|
||
[[ -z $LENGTH || ${R_MODE[i]} == "chars$LENGTH" ]] ||
|
||
info "Length is fixed per version; use 'rotate -n $LENGTH' to change it."
|
||
[[ -z $VERSION_ARG || $VERSION_ARG == "${R_VER[i]}" ]] ||
|
||
die "$(label "$SITE" "$USER_NAME" "${R_VER[i]}") is already saved; use rotate to move to a newer version."
|
||
else
|
||
mode=words
|
||
((CFG_LENGTH)) && mode="chars$CFG_LENGTH"
|
||
[[ -n $LENGTH ]] && mode="chars$LENGTH"
|
||
ask_yes "Add '$(label "$SITE" "$USER_NAME")' to your list?" || die "Cancelled."
|
||
add_record "$SITE" "$USER_NAME" "${VERSION_ARG:-1}" "$mode"
|
||
vault_save
|
||
i=$((${#R_SITE[@]} - 1))
|
||
ok "Added $(label "$SITE" "$USER_NAME" "${R_VER[i]}")."
|
||
fi
|
||
make_password "$SITE" "$USER_NAME" "${R_VER[i]}" "${R_MODE[i]}"
|
||
output_password "$(label "$SITE" "$USER_NAME" "${R_VER[i]}")"
|
||
}
|
||
|
||
cmd_rotate() {
|
||
need_site
|
||
resolve_typo || die "'$SITE' is not on your list. Use: nexopass get $SITE_ARG"
|
||
local i=$REPLY mode version
|
||
mode=${R_MODE[i]}
|
||
[[ -n $LENGTH ]] && mode="chars$LENGTH"
|
||
version=$((R_VER[i] + 1))
|
||
ask_yes "Archive version ${R_VER[i]} of $(label "$SITE" "$USER_NAME") and switch to version $version?" || die "Cancelled."
|
||
R_UNTIL[i]=$(date +%F)
|
||
add_record "$SITE" "$USER_NAME" "$version" "$mode"
|
||
vault_save
|
||
ok "Version ${R_VER[i]} archived. Now change the password on the site to:"
|
||
make_password "$SITE" "$USER_NAME" "$version" "$mode"
|
||
output_password "$(label "$SITE" "$USER_NAME" "$version")"
|
||
}
|
||
|
||
print_rows() {
|
||
local i state
|
||
printf '%s%-20s %-18s %-5s %-8s %-10s %s%s\n' "$DIM" SITE USER VER MODE SINCE UNTIL "$RST"
|
||
for i in "$@"; do
|
||
state="${GREEN}current${RST}"
|
||
[[ -n ${R_UNTIL[i]} ]] && state="${DIM}${R_UNTIL[i]}${RST}"
|
||
printf '%s%-20s%s %-18s %s%-5s%s %-8s %-10s %s\n' "$BOLD" "${R_SITE[i]}" "$RST" "${R_USER[i]:--}" \
|
||
"$CYAN" "v${R_VER[i]}" "$RST" "${R_MODE[i]}" "${R_SINCE[i]}" "$state"
|
||
if ((SHOW)); then
|
||
make_password "${R_SITE[i]}" "${R_USER[i]}" "${R_VER[i]}" "${R_MODE[i]}"
|
||
printf ' %s\n' "${MAGENTA}$PASSWORD${RST}"
|
||
fi
|
||
done
|
||
}
|
||
|
||
cmd_list() {
|
||
local -a rows=()
|
||
local i
|
||
while IFS= read -r i; do rows+=("$i"); done < <(
|
||
for i in "${!R_SITE[@]}"; do
|
||
[[ -z ${R_UNTIL[i]} ]] && printf '%s\t%s\t%s\n' "${R_SITE[i]}" "${R_USER[i]}" "$i"
|
||
done | sort | cut -f3
|
||
)
|
||
((${#rows[@]})) || {
|
||
info "No sites yet. Add one with: nexopass get <site>"
|
||
return
|
||
}
|
||
print_rows "${rows[@]}"
|
||
}
|
||
|
||
cmd_history() {
|
||
need_site
|
||
resolve_typo || die "'$SITE' is not on your list."
|
||
local -a rows=()
|
||
local i
|
||
while IFS= read -r i; do rows+=("$i"); done < <(
|
||
for i in "${!R_SITE[@]}"; do
|
||
[[ ${R_SITE[i]} == "$SITE" && ${R_USER[i]} == "$USER_NAME" ]] && printf '%s\t%s\n' "${R_VER[i]}" "$i"
|
||
done | sort -n | cut -f2
|
||
)
|
||
print_rows "${rows[@]}"
|
||
}
|
||
|
||
cmd_remove() {
|
||
need_site
|
||
resolve_typo || die "'$SITE' is not on your list."
|
||
ask_yes "Remove $(label "$SITE" "$USER_NAME") and its history from the list?" || die "Cancelled."
|
||
local i
|
||
local -a s=() u=() v=() m=() a=() b=()
|
||
for i in "${!R_SITE[@]}"; do
|
||
[[ ${R_SITE[i]} == "$SITE" && ${R_USER[i]} == "$USER_NAME" ]] && continue
|
||
s+=("${R_SITE[i]}") u+=("${R_USER[i]}") v+=("${R_VER[i]}") m+=("${R_MODE[i]}") a+=("${R_SINCE[i]}") b+=("${R_UNTIL[i]}")
|
||
done
|
||
R_SITE=("${s[@]}") R_USER=("${u[@]}") R_VER=("${v[@]}") R_MODE=("${m[@]}") R_SINCE=("${a[@]}") R_UNTIL=("${b[@]}")
|
||
vault_save
|
||
ok "Removed."
|
||
}
|
||
|
||
cmd_export() {
|
||
local file=${SITE_ARG:-$HOME/nexopass-$(date +%F).pgp} pass
|
||
[[ -e $file ]] && { ask_yes "$file exists. Overwrite?" || die "Cancelled."; }
|
||
pass=$(derive_hex "$SALT_PREFIX:export" 32) || die "Argon2 failed."
|
||
vault_text | gpg_pass "$pass" --yes --symmetric --cipher-algo AES256 --output "$file" || die "Export failed."
|
||
ok "Exported ${#R_SITE[@]} entries to ${BOLD}$file${RST}"
|
||
info "Encrypted: it opens only with the same master, here or in the phone app."
|
||
}
|
||
|
||
cmd_import() {
|
||
[[ -n $SITE_ARG ]] || die "Which file? e.g. nexopass import ~/nexopass-2026-10-08.pgp"
|
||
[[ -f $SITE_ARG ]] || die "No such file: $SITE_ARG"
|
||
local pass plain before
|
||
pass=$(derive_hex "$SALT_PREFIX:export" 32) || die "Argon2 failed."
|
||
plain=$(gpg_pass "$pass" --decrypt "$SITE_ARG" 2>/dev/null) || die "Cannot open it: exported with a different master, or not a NexoPass export."
|
||
I_SITE=() I_USER=() I_VER=() I_MODE=() I_SINCE=() I_UNTIL=()
|
||
parse_records "$plain" I
|
||
((${#I_SITE[@]})) || die "The file has no sites in it."
|
||
before=${#R_SITE[@]}
|
||
merge_records
|
||
vault_save
|
||
ok "Imported. ${#I_SITE[@]} entries read, list went from $before to ${#R_SITE[@]} entries."
|
||
}
|
||
|
||
cmd_show_master() {
|
||
quick_method >/dev/null || die "Quick unlock is off, so nothing is stored: your master is only in your head."
|
||
warn "Make sure nobody is looking at your screen."
|
||
quick_verify || die "Wrong PIN/password."
|
||
echo " ${BOLD}${MAGENTA}$QUICK_MASTER${RST}"
|
||
}
|
||
|
||
cmd_lock() {
|
||
cache_clear
|
||
ok "Locked. Next time you'll be asked again."
|
||
}
|
||
|
||
cmd_new_master() {
|
||
local count=${SITE_ARG:-6}
|
||
[[ $count =~ ^[1-9][0-9]?$ ]] || die "Number of words must be 3-99."
|
||
((count >= MIN_MASTER_WORDS)) || die "At least $MIN_MASTER_WORDS words (4 recommended, 6 safest)."
|
||
local -a picked
|
||
mapfile -t picked < <(printf '%s\n' "${WORDS[@]}" | shuf -n "$count" --random-source=/dev/urandom)
|
||
echo "${BOLD}${MAGENTA}${picked[*]}${RST}"
|
||
}
|
||
|
||
# --- settings menu ----------------------------------------------------------
|
||
|
||
choose() { # choose <prompt> <options...>: REPLY gets the picked option
|
||
local prompt=$1 ans
|
||
shift
|
||
read -rp "$prompt [$*]: " ans </dev/tty
|
||
for opt in "$@"; do
|
||
if [[ $ans == "$opt" ]]; then
|
||
REPLY=$opt
|
||
return 0
|
||
fi
|
||
done
|
||
warn "Not changed."
|
||
return 1
|
||
}
|
||
|
||
cmd_settings() {
|
||
local ans method
|
||
while true; do
|
||
method=$(quick_method || echo off)
|
||
echo
|
||
echo "${BOLD}${MAGENTA}NexoPass settings${RST}"
|
||
printf ' %s1)%s Quick unlock ............. %s\n' "$BOLD" "$RST" "$method"
|
||
printf ' %s2)%s Stay unlocked for ........ %s\n' "$BOLD" "$RST" "$( ((CFG_CACHE)) && echo "$CFG_CACHE min" || echo "off (always ask)")"
|
||
printf ' %s3)%s Clipboard clears after ... %s s\n' "$BOLD" "$RST" "$CFG_CLIP"
|
||
printf ' %s4)%s New sites use ............ %s\n' "$BOLD" "$RST" "$( ((CFG_LENGTH)) && echo "$CFG_LENGTH characters" || echo "words")"
|
||
printf ' %s5)%s Wrong attempts allowed ... %s\n' "$BOLD" "$RST" "$CFG_ATTEMPTS"
|
||
printf ' %s6)%s Colors ................... %s\n' "$BOLD" "$RST" "$CFG_COLOR"
|
||
printf ' %s7)%s Show master\n' "$BOLD" "$RST"
|
||
printf ' %s8)%s Export vault\n' "$BOLD" "$RST"
|
||
printf ' %s9)%s Import vault\n' "$BOLD" "$RST"
|
||
printf ' %sl)%s Lock now\n' "$BOLD" "$RST"
|
||
printf ' %sa)%s About\n' "$BOLD" "$RST"
|
||
printf ' %sq)%s Done\n' "$BOLD" "$RST"
|
||
read -rp "Choice: " ans </dev/tty || return 0
|
||
(
|
||
case ${ans,,} in
|
||
1)
|
||
choose "Quick unlock" password pin off || exit 0
|
||
case $REPLY in
|
||
off) quick_remove && ok "Quick unlock is off." ;;
|
||
*) ensure_unlocked && quick_setup "$REPLY" ;;
|
||
esac
|
||
;;
|
||
2) choose "Stay unlocked for (minutes, 0 = always ask)" 0 1 5 15 30 60 && CFG_CACHE=$REPLY && save_config && { ((CFG_CACHE)) || cache_clear; } ;;
|
||
3) choose "Clear clipboard after (seconds)" 10 15 30 60 120 && CFG_CLIP=$REPLY && save_config ;;
|
||
4) choose "New sites use (0 = words, or a length 12-64)" 0 12 16 20 24 32 64 && CFG_LENGTH=$REPLY && save_config ;;
|
||
5) choose "Wrong PIN/password attempts before quick unlock is removed" 3 5 10 && CFG_ATTEMPTS=$REPLY && save_config ;;
|
||
6) choose "Colors" auto never && CFG_COLOR=$REPLY && save_config ;;
|
||
7) cmd_show_master ;;
|
||
8) ensure_unlocked && SITE_ARG="" && cmd_export ;;
|
||
9)
|
||
read -rp "File to import: " SITE_ARG </dev/tty
|
||
SITE_ARG=${SITE_ARG/#\~/$HOME}
|
||
ensure_unlocked && cmd_import
|
||
;;
|
||
l) cmd_lock ;;
|
||
a) about ;;
|
||
q | "") exit 3 ;;
|
||
*) warn "Unknown choice." ;;
|
||
esac
|
||
) || {
|
||
[[ $? == 3 ]] && return 0
|
||
true
|
||
}
|
||
load_config
|
||
done
|
||
}
|
||
|
||
# --- argument handling ------------------------------------------------------
|
||
|
||
parse_args() {
|
||
CMD="" SITE_ARG="" USER_NAME="" LENGTH="" VERSION_ARG="" COPY=0 SHOW=0
|
||
while (($#)); do
|
||
case $1 in
|
||
-u | --user | -n | --length | -v | --version)
|
||
(($# >= 2)) || die "$1 needs a value."
|
||
case $1 in
|
||
-u | --user) USER_NAME=$(normalize_user "$2") || die "Invalid account name." ;;
|
||
-n | --length) LENGTH=$2 ;;
|
||
-v | --version) VERSION_ARG=$2 ;;
|
||
esac
|
||
shift 2
|
||
;;
|
||
-c | --copy) COPY=1 && shift ;;
|
||
-s | --show) SHOW=1 && shift ;;
|
||
-h | --help) CMD=help && shift ;;
|
||
-*) die "Unknown option: $1 (see nexopass help)" ;;
|
||
*)
|
||
if [[ -z $CMD ]]; then
|
||
CMD=${1,,}
|
||
elif [[ -z $SITE_ARG ]]; then
|
||
SITE_ARG=$1
|
||
else
|
||
die "Unexpected argument: $1"
|
||
fi
|
||
shift
|
||
;;
|
||
esac
|
||
done
|
||
case $CMD in
|
||
get | rotate | list | history | remove | export | import | settings | lock | show-master | new-master | about | help | "") ;;
|
||
*) SITE_ARG=$CMD CMD=get ;;
|
||
esac
|
||
if [[ -n $LENGTH ]]; then
|
||
[[ $LENGTH =~ ^[1-6][0-9]$ ]] || die "Length must be 12-64."
|
||
((LENGTH >= 12 && LENGTH <= 64)) || die "Length must be 12-64."
|
||
fi
|
||
if [[ -n $VERSION_ARG ]]; then
|
||
[[ $VERSION_ARG =~ ^[1-9][0-9]{0,3}$ ]] || die "Version must be a number from 1."
|
||
fi
|
||
}
|
||
|
||
# Commands that work without unlocking.
|
||
run_plain() {
|
||
case $CMD in
|
||
help) usage ;;
|
||
about) about ;;
|
||
new-master) cmd_new_master ;;
|
||
lock) cmd_lock ;;
|
||
settings) cmd_settings ;;
|
||
show-master) cmd_show_master ;;
|
||
*) return 1 ;;
|
||
esac
|
||
}
|
||
|
||
run_command() {
|
||
run_plain && return
|
||
ensure_unlocked
|
||
case $CMD in
|
||
get) cmd_get ;;
|
||
rotate) cmd_rotate ;;
|
||
list) cmd_list ;;
|
||
history) cmd_history ;;
|
||
remove) cmd_remove ;;
|
||
export) cmd_export ;;
|
||
import) cmd_import ;;
|
||
esac
|
||
}
|
||
|
||
banner() {
|
||
echo "${MAGENTA}${BOLD} ╭──────────────────╮${RST}"
|
||
echo "${MAGENTA}${BOLD} │${RST} ${BOLD}N E X O P A S S${RST} ${MAGENTA}${BOLD}│${RST}"
|
||
echo "${MAGENTA}${BOLD} ╰──────────────────╯${RST}"
|
||
echo " ${DIM}made by Nexoniarz${RST}"
|
||
}
|
||
|
||
session() {
|
||
ok "Unlocked. Commands: ${CYAN}<site> get rotate list history remove settings export import help quit${RST}"
|
||
local line
|
||
local -a words
|
||
while IFS= read -rep "${MAGENTA}nexopass›${RST} " line; do
|
||
read -ra words <<<"$line"
|
||
((${#words[@]})) || continue
|
||
case ${words[0],,} in
|
||
quit | exit | q) break ;;
|
||
esac
|
||
(
|
||
parse_args "${words[@]}"
|
||
[[ -n $CMD ]] && run_command
|
||
) || true
|
||
load_config
|
||
setup_colors
|
||
# A command may have changed the vault (or settings); reload it.
|
||
vault_load || die "Cannot open the vault anymore."
|
||
done
|
||
}
|
||
|
||
main() {
|
||
load_words
|
||
load_config
|
||
setup_colors
|
||
parse_args "$@"
|
||
if [[ -z $CMD ]]; then
|
||
banner
|
||
ensure_unlocked
|
||
session
|
||
else
|
||
run_command
|
||
fi
|
||
}
|
||
|
||
main "$@"
|