volkov added a comment.
Without UnixFileDescriptor you could try to write int fd = ... Action action(...); action.addArgument(QStringLiteral("fd"), fd); but then KAuth won't be able to detect that it'a file descriptor and will pass it to a helper as int. REPOSITORY R283 KAuth REVISION DETAIL https://phabricator.kde.org/D24245 To: volkov, fvogt, chinmoyr, cfeck, #frameworks, security-team Cc: aacid, kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns