Improvements (cronmail) and fixes in mail utilities.

.utils/mail/README.md

@@ -1,3 +1,7 @@
-# Wrapper scripts to various mail transfer agents.
-Only needed if your system does not provide the POSIX mailx compatible mail command. If sending email is prohibited from your environment use *mail.dummy* to avoid warnings from cron, etc.
-To activate, choose a suitable one then place it somewhere in the path (~/bin or /usr/local/bin are recommended), name it mail and give it execute permission.
+# Wrapper scripts to various mail agents
+
+Only needed if your system does not provide a local MTA (e.g *sendmail*) and/or a POSIX *mailx* compatible mail command.
+
+To activate, choose a suitable one then place it somewhere in the path (*/usr/local/bin* is recommended), name or symlink it to *mail* and give it execute permission to anyone.
+
+To use them with *crond*, you may need the *cronmail* converter script, which can accept sendmail-formatted mail and convert it into a suitable *mailx* call. You can usually set this script as a mail sender for *crond* using the *CRONDARGS* environment variable.

.utils/mail/cronmail

@@ -0,0 +1,52 @@
+#!/bin/bash
+#
+# This is a sendmail to mailx format converter script.
+# It receives a well-formed email text from standard input, parses it,
+# and invokes a POSIX mailx compliant mail user agent with the result.
+#
+# It is primarily designed to use with crond. To activate
+# use CRONDARGS="-m pathname_to_cronmail" in/etc/default/cron or
+# /etc/sysconfig/crond configuration.
+#
+# Author: Kovács Zoltán <kovacsz@marcusconsulting.hu>
+# License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
+# 2026-05-02 v0.1 Initila release.
+
+# Initialisations.
+#
+SUBJECT=""
+RECIPIENT="$USER"			# Default recipient.
+MESSAGE=""
+MUA="/usr/local/bin/mail"		# Custom mail user agent script.
+
+# Parsing the stdin line by line.
+#
+while IFS= read -r line
+do
+    # Parses the recipient.
+    if [[ "$line" =~ ^(T|t)o:\ .*$ ]]; then
+	RECIPIENT="${line#*: }"
+    # Parses the subject line.
+    elif [[ "$line" =~ ^(S|s)ubject:\ .*$ ]]; then
+	SUBJECT="${line#*: }"
+    # Message body starts with an empty line.
+    elif [[ "$line" =~ ^$ ]]; then
+	MESSAGE+="\n"
+    # Collects the message body lines.
+    # The first empty line will be stripped.
+    elif [ -n "$MESSAGE" ]; then
+	[[ "$MESSAGE" = "\n" ]] \
+	&& MESSAGE="$line\n" \
+	|| MESSAGE+="$line\n"
+    fi
+done
+
+# Calls the mail user agent.
+#
+if [ -x "$MUA" ]; then
+    if [ -n "$SUBJECT" -o -n "$MESSAGE" ]; then
+	echo -e "$MESSAGE" | "$MUA" -s "$SUBJECT" "$RECIPIENT"
+    fi
+fi
+
+# That's all, Folks! :)

.utils/mail/mail.dummy

@@ -1,3 +0,0 @@
-#!/bin/bash
-#
-# Dummy file to met the dependencies. Does nothing.

.utils/mail/s-nail

@@ -20,7 +20,7 @@ SMTP_PASS="topsecret"
 
 # s-nail call.
 #
-if [ -x "$(which s-nail 2>/dev/null)" ]; then
+if [ -x "/bin/s-nail" ]; then
     # The recipient's address is the last argument.
     recipient="${@: -1}"
     set -- "${@: 1: $#-1}"
@@ -29,8 +29,8 @@ if [ -x "$(which s-nail 2>/dev/null)" ]; then
     [[ "$recipient" = "$USER" ]] && recipient="$TO"
     [[ "$recipient" = "$USER@$HOSTNAME" ]] && recipient="$TO"
     if [ -n "$recipient" ]; then
-    "$(which s-nail)" -S from="$FROM" -S v15-compat \
-	              -S smtp-auth="login" -S smtp-use-starttls \
+    "/bin/s-nail" -S from="$FROM" -S v15-compat \
+	          -S smtp-auth="login" $([[ "$SMTP_PROTO" = "submission" ]] && echo "-S smtp-use-starttls") \
 	          -S mta="$SMTP_PROTO://$SMTP_USER:$SMTP_PASS@$SMTP_SERVER" \
 	          -S record="/var/mail/$USER" \
 	          "${@}" $recipient

tools/backup.d/configs_backup.sh

@@ -5,6 +5,8 @@
 #
 # Author: Kovács Zoltán <kovacsz@marcusconsulting.hu>
 # License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
+# 2026-04-28 v0.3
+# mod: now includes all files (not only YMLFILE) in the base folder.
 # 2024-03-07 v0.2
 # fix: tar now dereferences the symlinks (if any).
 # 2021-09-03 v0.1 Initial release
@@ -26,7 +28,7 @@ MSG_NONWRITE="The target directory isn't writable"
 # Checks the dependencies.
 TR=$(which tr 2>/dev/null)
 if [ -z "$TR" ]; then echo "$MSG_MISSINGDEP tr."; exit 1 ; fi
-for item in date dirname hostname readlink tar
+for item in date dirname find hostname readlink tar
 do
     if [ -n "$(which $item)" ]
     then export $(echo $item | "$TR" '[:lower:]' '[:upper:]' | "$TR" '-' '_')=$(which $item)
@@ -72,7 +74,7 @@ if [ -w "$BACKUPDIR" ]; then
     BACKUP_NAME="configs.$("$DATE" '+%Y%m%d_%H%M%S').$("$HOSTNAME")"
     ( cd "$BASE_DIR"
       "$TAR" czhf "$BACKUPDIR/$BACKUP_NAME.tgz" \
-             "$YMLFILE" configs docker \
+             $("$FIND" -maxdepth 1 -type f) configs docker \
              2>>"$BACKUPDIR/$BACKUP_NAME.log"
     )
 fi