[Bug 2127080] Re: sudo-rs does not accept escaped characters in command-line arguments

[Simon Johnsson]

I have also created a bug report upstream
https://github.com/trifectatechfoundation/sudo-rs/issues/1295 :)

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https://bugs.launchpad.net/bugs/2127080

Title:
  sudo-rs does not accept escaped characters in command-line arguments

Status in rust-sudo-rs package in Ubuntu:
  New

Bug description:
  In rust-sudo-rs 0.2.8-1ubuntu4 a fix was introduced that allowed for
  '=' to be used in commands as such:

  Cmd_Alias FOO_CMD = /bin/foo --bar=1

  However, this fix also made the escaped equivalence generate an
  "illegal escape sequence error":

  Cmd_Alias BAR_CMD = /bin/foo --bar\=1

  -------------------------------------

  Steps to reproduce:

  1. Create a file called "test" with the following content:

  Cmd_Alias FOO_CMD = /bin/foo --bar=1
  Cmd_Alias BAR_CMD = /bin/foo --bar\=1

  2. Run visudo on the file:

  $ visudo -c -f test

  3. An error is given:

  test:2:36: syntax error: illegal escape sequence
  Cmd_Alias BAR_CMD = /bin/foo --bar\=1
                                     ^
  visudo: invalid sudoers file

  -------------------------------------

  What I expect to happen:

  The sudoers file is parsed correctly without an error.

  Release: Ubunutu 25.10
  sudo-rs version: 0.2.8-1ubuntu5

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