added scripts and setup.sh

.gitignore

@@ -0,0 +1,2 @@
+.idea/
+*.iml

README.md

@@ -1,3 +1,19 @@
 # awesome-scripts
 
-Some useful bash scripts.
+Some useful bash scripts.
+
+## Content
+
+|Script|Description|
+|---|---|
+|[healthcheck.sh](healthcheck.sh)|Script to use as cron wrap to monitor the job with health.sp-codes.de|
+|[login-notify.sh](login-notify.sh)|Script to send an alert mail on ssh login|
+|[validate-remote-backup.sh](validate-remote-backup.sh)|Script to validate server side rsync command to use ssh force command|
+
+## Setup
+
+To setup all scripts in the current directory run this:
+
+```
+curl https://git.sp-codes.de/samuel-p/awesome-scripts/raw/branch/master/setup.sh | bash
+```

healthcheck.sh

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+#!/bin/bash
+
+if [[ "$#" -lt 2 ]]; then
+  echo "Usage: $0 <uuid> <command>"
+  exit 1;
+fi
+
+UUID=$1
+ARGS=("$@")
+COMMANDS=("${ARGS[@]:1}")
+
+echo -n "PING: "
+curl -fsS --retry 3 "https://health.sp-codes.de/ping/$UUID/start"
+echo
+
+echo "RUN ${COMMANDS[@]}:"
+LOG=$("${COMMANDS[@]}" 2>&1)
+CODE=$?
+echo "$LOG"
+
+echo -n "PING: "
+# append the last 10 kb
+echo "$LOG" | tail --bytes 10240 | curl -fsS --retry 3 --data-binary @- "https://health.sp-codes.de/ping/$UUID$([[ ${CODE} -ne 0 ]] && echo -n /fail)"
+echo

login-notify.sh

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+#!/bin/bash
+
+sender="SSH-Notification <notifications@sp-codes.de>"
+recipient="codes@samuel-philipp.de"
+
+if [ "$PAM_TYPE" == "open_session" ] && [ "$PAM_USER" != "root" ]; then
+    HOST="`hostname`"
+    subject="SSH Login: $PAM_USER from $PAM_RHOST on $HOST"
+    message="User $PAM_USER logged in on $HOST from $PAM_RHOST at $(date)."
+    echo "$message" | mailx -a "From: $sender" -s "$subject" "$recipient"
+fi

setup.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+URL="https://git.sp-codes.de/samuel-p/awesome-scripts/raw/branch/master/"
+SCRIPTS=("healthcheck.sh" "login-notify.sh" "validate-remote-backup.sh")
+
+for script in "${SCRIPTS[@]}"; do
+  curl "$URL$script" >"$script"
+  chmod +x "$script"
+done

validate-remote-backup.sh

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+#!/bin/bash
+
+case "$SSH_ORIGINAL_COMMAND" in
+*\&*)
+echo "Rejected"
+;;
+*\(*)
+echo "Rejected"
+;;
+*\{*)
+echo "Rejected"
+;;
+*\;*)
+echo "Rejected"
+;;
+*\<*)
+echo "Rejected"
+;;
+*\`*)
+echo "Rejected"
+;;
+*\|*)
+echo "Rejected"
+;;
+rsync\ --server*)
+$SSH_ORIGINAL_COMMAND
+;;
+*)
+echo "Rejected"
+;;
+esac