[Bug 880531] Re: DHCP Server does not execute external commands

[Marc Deslauriers]

Did you get any apparmor denial messages in kern.log?

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Title:
  DHCP Server does not execute external commands

Status in “isc-dhcp” package in Ubuntu:
  New

Bug description:
  Ubuntu LTS 8.04 DHCP-Server does not execute external commands with permission denied.
  Compiling original isc-server and running the same config and parameters the external commands are executed. 

  Sample external-command echo:

  on commit {
   set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
   set ClientMac = binary-to-ascii(16, 8, ":", substring(hardware, 1, 6));
   set ClientName = pick-first-value(option host-name, host-decl-name, config-option host-name, "");
   log(concat("Commit: IP: ", ClientIP, " Mac: ", ClientMac, " Name: ", ClientName));
   execute("/tmp/echo","Hallo >>/tmp/data");
   }

  Error:
  Oct 23 21:36:38 vdhcp dhcpd: Unable to execute /tmp/echo: Permission denied

  Thanks for the good work.

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