From 1b990c96a672704c7712f64b4e2b5f09c72d59e6 Mon Sep 17 00:00:00 2001
From: drduh <github@duh.to>
Date: Tue, 26 Mar 2024 16:36:25 -0700
Subject: [PATCH] Add chars and echo config options

---
 README.md | 2 ++
 purse.sh  | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 46c5f7d..147eeb5 100644
--- a/README.md
+++ b/README.md
@@ -72,8 +72,10 @@ Variable | Description | Default | Values
 `PURSE_LEN` | default generated password length | `14` | any valid integer
 `PURSE_COPY` | copy password to clipboard before write | unset (disabled) | `1` or `true` to enable
 `PURSE_DAILY` | create daily backup archive on write | unset (disabled) | `1` or `true` to enable
+`PURSE_CHARS` | character set for passwords | `[:alnum:]!?@#$%^&*();:+=` | any valid characters
 `PURSE_COMMENT` | **unencrypted** comment to include in index and safe files | unset | any valid string
 `PURSE_DEST` | password output destination, will set to `screen` without clipboard | `clipboard` | `clipboard` or `screen`
+`PURSE_ECHO` | character used to echo password input | `*` | any valid character
 `PURSE_SAFE` | safe directory name | `safe` | any valid string
 `PURSE_INDEX` | index file name | `purse.index` | any valid string
 `PURSE_BACKUP` | backup archive file name | `purse.$hostname.$today.tar` | any valid string
diff --git a/purse.sh b/purse.sh
index 3052c5e..a55b15a 100755
--- a/purse.sh
+++ b/purse.sh
@@ -12,17 +12,18 @@ today="$(date +%F)"
 copy="$(command -v xclip || command -v pbcopy)"
 gpg="$(command -v gpg || command -v gpg2)"
 gpg_conf="${GNUPGHOME}/gpg.conf"
-pass_chars="[:alnum:]!?@#$%^&*();:+="
 
 clip_dest="${PURSE_DEST:=clipboard}"   # set to 'screen' to print to stdout
 clip_timeout="${PURSE_TIME:=10}"       # seconds to clear clipboard/screen
 comment="${PURSE_COMMENT:=}"           # *unencrypted* comment in files
 daily_backup="${PURSE_DAILY:=}"        # daily backup archive on write
 pass_copy="${PURSE_COPY:=}"            # copy password before write
+pass_echo="${PURSE_ECHO:=*}"           # show "*" when typing passwords
 pass_len="${PURSE_LEN:=14}"            # default password length
 safe_dir="${PURSE_SAFE:=safe}"         # safe directory name
 safe_ix="${PURSE_INDEX:=purse.index}"  # index file name
 safe_backup="${PURSE_BACKUP:=purse.$(hostname).${today}.tar}"
+pass_chars="${PURSE_CHARS:='[:alnum:]!?@#$%^&*();:+='}"
 
 trap cleanup EXIT INT TERM
 cleanup () {
@@ -62,7 +63,7 @@ get_pass () {
         password="${password%?}"
       fi
     else
-      prompt="*"
+      prompt="${pass_echo}"
       password+="${char}"
     fi
   done