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/
etc
/
dhcp
/
dhclient-exit-hooks.d
/
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files >> //etc/dhcp/dhclient-exit-hooks.d/sendmail
#!/bin/sh # # This script is called when a dhcp event occurs. # # Here is where we'll start/stop sendmail if needed. # # Written By Richard Nelson <cowboy@debian.org> # # NOTE: The following lines (without the #) must be in /etc/mail/sendmail.mc: # include(`/etc/mail/dialup.m4')dnl # include(`/etc/mail/provider.m4')dnl # # NOTE: The dhcp DNS name is used as the peer name in /etc/mail/peers. # # No need to continue if we're called with an unsupported option case "$reason" in EXPIRE|FAIL|RELEASE|STOP) #down... and TIMEOUT too ??? ;; BOUND|RENEW|REBIND|REBOOT|TIMEOUT) #up... why TIMEOUT here ??? ;; *) return; ;; esac; # Bring in some script functions to handle dynamic configuration test -r /usr/share/sendmail/dynamic || exit 0 . /usr/share/sendmail/dynamic; # Note the interface that just changed update_interface "$interface" "$reason"; # If the domain name has changed, update the provider information if [ "$new_domain_name" != "$old_domain_name" ]; then update_provider "$new_domain_name"; fi; # If the ip address has changed, update the host information if [ "$new_ip_address" != "$oldnew_ip_address" ]; then update_host "$new_ip_address"; fi; # If anything has been changed, update sendmail.cf and reload # Actually, we'll delay the reload because we'll be hit in a moment # to handle the change by /etc/network/if-up.d/sendmail update_sendmail "dhcp" Delayed; return;
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