[Bug 880531] [NEW] DHCP Server does not execute external commands

[Michael Weinert]

Public bug reported:

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.

** Affects: isc-dhcp (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/880531

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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