added support of multiple arp-scan interfaces & attempt at solving DB permission issues

back/pialert.py

@@ -489,14 +489,19 @@ def query_ScanCycle_Data (pOpenCloseDB = False):
 
 #-------------------------------------------------------------------------------
 def execute_arpscan ():
-    # #101 - arp-scan subnet configuration
-    # Prepare command arguments
-    subnets = SCAN_SUBNETS.strip().split()
-    # Retry is 6 to avoid false offline devices
-    arpscan_args = ['sudo', 'arp-scan', '--ignoredups', '--retry=6'] + subnets
-   
-    # Execute command
-    arpscan_output = subprocess.check_output (arpscan_args, universal_newlines=True)
+
+    # output of possible multiple interfaces
+    arpscan_output = ""
+
+    # multiple interfaces
+    if type(SCAN_SUBNETS) is list:
+        print("    arp-scan: Multiple interfaces")
+        for interface in SCAN_SUBNETS :
+            arpscan_output += execute_arpscan_on_interface (interface)
+    # one interface only
+    else:
+        print("    arp-scan: One interface")
+        arpscan_output += execute_arpscan_on_interface (SCAN_SUBNETS)
 
     # Search IP + MAC + Vendor as regular expresion
     re_ip = r'(?P<ip>((2[0-5]|1[0-9]|[0-9])?[0-9]\.){3}((2[0-5]|1[0-9]|[0-9])?[0-9]))'
@@ -528,6 +533,17 @@ def execute_arpscan ():
     # return list
     return unique_devices
 
+#-------------------------------------------------------------------------------
+def execute_arpscan_on_interface (SCAN_SUBNETS):
+    # #101 - arp-scan subnet configuration
+    # Prepare command arguments
+    subnets = SCAN_SUBNETS.strip().split()
+    # Retry is 6 to avoid false offline devices
+    arpscan_args = ['sudo', 'arp-scan', '--ignoredups', '--retry=6'] + subnets
+
+    # Execute command
+    return subprocess.check_output (arpscan_args, universal_newlines=True)
+
 #-------------------------------------------------------------------------------
 def copy_pihole_network ():
     # check if Pi-hole is active

config/pialert.conf

@@ -80,6 +80,9 @@ DHCP_LEASES             = '/etc/pihole/dhcp.leases'
 #
 # Scan using interface eth0
 # SCAN_SUBNETS    = '--localnet --interface=eth0'
+#
+# Scan multiple interfaces (eth1 and eth0):
+# SCAN_SUBNETS    = [ '192.168.1.0/24 --interface=eth1', '192.168.1.0/24 --interface=eth0' ]
 
 SCAN_SUBNETS            = '--localnet'
 

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     volumes:
       - ${APP_DATA_LOCATION}/pialert/config:/home/pi/pialert/config
       - ${APP_DATA_LOCATION}/pialert/db/pialert.db:/home/pi/pialert/db/pialert.db
-      - ${LOGS_LOCATION}/tmp:/home/pi/pialert/log
+      - ${LOGS_LOCATION}:/home/pi/pialert/log
     environment:
       - TZ=${TZ}
       - PORT=${PORT}

dockerfiles/start.sh

@@ -12,6 +12,9 @@ if [ -n "${PORT}" ]; then
   sed -ie 's/listen 20211/listen '${PORT}'/g' /etc/nginx/sites-available/default
 fi
 
+# I hope this will fix DB permission issues going forward
+chown -R www-data:www-data /home/pi/pialert/db/pialert.db
+
 /etc/init.d/php7.4-fpm start
 /etc/init.d/nginx start
 cron -f

install/default

@@ -2,6 +2,7 @@ server {
     listen 80 default_server;
     root /var/www/html;
     index index.php;
+    rewrite /pialert/(.*) / permanent;
 
   location ~* \.php$ {
     fastcgi_pass unix:/run/php/php7.4-fpm.sock;