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| author | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2008-10-15 21:12:03 -0700 |
|---|---|---|
| committer | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2008-10-15 21:12:03 -0700 |
| commit | 41d4dc6644f73b9f3f75103fab03eeb38189265b (patch) | |
| tree | 4f830f5e8d7e1f6b9d30e13c4a76af7c161a7329 /templates | |
| parent | 4298b55e563520b04b5c06eb426a2b4cbf8229a7 (diff) | |
| download | vyatta-cfg-41d4dc6644f73b9f3f75103fab03eeb38189265b.tar.gz vyatta-cfg-41d4dc6644f73b9f3f75103fab03eeb38189265b.zip | |
Enforce restrictions on loopback name
Add allowed completion and check type of device.
Diffstat (limited to 'templates')
| -rw-r--r-- | templates/interfaces/loopback/node.def | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/templates/interfaces/loopback/node.def b/templates/interfaces/loopback/node.def index 7b7a304..b5235a0 100644 --- a/templates/interfaces/loopback/node.def +++ b/templates/interfaces/loopback/node.def @@ -1,9 +1,14 @@ tag: type: txt help: Set loopback interface -syntax:expression: exec " \ - if [ -z \"`ip addr | grep $VAR(@) `\" ]; then \ - echo loopback interface $VAR(@) doesn\\'t exist on this system ; \ - exit 1 ; \ - fi ; " -update:expression: "sudo ip link set $VAR(@) up" +allowed: echo "lo" +syntax:expression: exec "\ + if [ !-d /sys/class/net/$VAR(@) ]; then \ + echo \"loopback interface $VAR(@) does not exist\"; \ + exit 1; \ + elif [ $(cat /sys/class/net/$VAR(@)/type) -ne 772 ]; then \ + echo \"interface $VAR(@) is not a loopback interface\"; \ + exit 1; \ + fi" + +update: sudo ip link set $VAR(@) up |