| #!/bin/bash |
| # Old style alert program: |
| # |
| # Syntax: |
| # alert_program_name /absolute/path/name |
| # |
| # The program specified via 'alert_program_name' will be called as follows: |
| # /absolute/path/name name_of_calling_program name_of_interface_on_which_the |
| #_response_was_received IP_source_of_the_response ether_src_of_the_response |
| |
| DHCP_PROBE_DOMAIN=$(dnsdomainname) |
| |
| sendmail root <<EOF |
| From: root@${DHCP_PROBE_DOMAIN} |
| Subject: $1 ALERT - $3 is acting as a DHCP server |
| |
| Called program: $0 |
| Calling program: $1 |
| Interface on which response was received: $2 |
| IP source of the response: $3 |
| Ethernet source of the response: $4 |
| |
| EOF |
