Webadmin can't delete listener if there is no IPv6 #900

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2026-10-05T04:51:47+02:00

adam commented

2026-10-05 04:51:47 +02:00

If ZNC is build without IPv6 support, it says "The specified listener was not found" when user tries to delete a listener in webadmin.
The problem is the way how the table is rendered: https://github.com/znc/znc/blob/458ce602aa8b14ab870371e26ccec9d29c77bb97/modules/webadmin.cpp#L1916-L1931
It was done this way to not lie to user: the table shouldn't say that IPv6 is enabled when it's not. But deleting the row looks at what checkboxes are enabled to determine which listener to delete: https://github.com/znc/znc/blob/458ce602aa8b14ab870371e26ccec9d29c77bb97/modules/webadmin.cpp#L1834-L1851

If ZNC is build without IPv6 support, it says "The specified listener was not found" when user tries to delete a listener in webadmin. The problem is the way how the table is rendered: https://github.com/znc/znc/blob/458ce602aa8b14ab870371e26ccec9d29c77bb97/modules/webadmin.cpp#L1916-L1931 It was done this way to not lie to user: the table shouldn't say that IPv6 is enabled when it's not. But deleting the row looks at what checkboxes are enabled to determine which listener to delete: https://github.com/znc/znc/blob/458ce602aa8b14ab870371e26ccec9d29c77bb97/modules/webadmin.cpp#L1834-L1851 ![screenshot](https://user-images.githubusercontent.com/325092/53229404-fde48500-367b-11e9-94e8-8c208aa1c8c4.png)

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Reference: adam/znc#900