Bug 913 – Editing with sudo fails on recent versions of macOS

Bug 913 - Editing with sudo fails on recent versions of macOS


Summary:	Editing with sudo fails on recent versions of macOS

Status:	RESOLVED FIXED

Product:	Sudo
Classification:	Unclassified
Component:	Sudo
Version:	1.8.30
Hardware:	Macintosh MacOS X

Importance:	low low
Assigned To:	Todd C. Miller

URL:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2020-01-16 10:43 MST by Dan Villiom Podlaski Christiansen
Modified:	2020-06-19 06:14 MDT (History)
CC List:	0 users

See Also:

Attachments
A quick attempt at fixing this (966 bytes, application/octet-stream) 2020-01-16 10:43 MST, Dan Villiom Podlaski Christiansen	Details
The same quick attempt at fixing this, but marked as a patch (966 bytes, patch) 2020-01-16 10:44 MST, Dan Villiom Podlaski Christiansen	Details \| Diff
Show Obsolete (1) Add an attachment (proposed patch, testcase, etc.)

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Description Dan Villiom Podlaski Christiansen 2020-01-16 10:43:34 MST

Created attachment 537 [details]
A quick attempt at fixing this

Recent versions of macOS — from Catalina, at least — mount the root file system as read-only. This breaks both 'sudo -e' and 'sudoedit':

$ sudo -e /etc/hosts
sudo: /etc/hosts: Read-only file system

I've attached a small patch that fixes this on my Mac.

Comment 1 Dan Villiom Podlaski Christiansen 2020-01-16 10:44:12 MST

Created attachment 538 [details]
The same quick attempt at fixing this, but marked as a patch

Comment 2 Todd C. Miller 2020-01-16 10:48:37 MST

Thanks, that fix looks good.

Comment 3 Todd C. Miller 2020-06-19 06:14:02 MDT

The fixed was included in Sudo 1.8.31