Rewrite chuser() for simplicity and correctness #1203
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- Use unambiguous variable names (w/o package name conflict). - Fail on invalid input such as the empty string or `:`. - Do not change group without user, i.e. fail on `:group`. - Parse input using mnemonic APIs. - Do not juggle between integer types. - Unset supplementary groups. - Use setres[ug]id(2) to match the idiom of OpenBSD base programs. Includes/Supersedes yggdrasil-network#1202. Fixes yggdrasil-network#927. I only tested on OpenBSD (so far), hence the split, but other systems should just work.
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:.:group.Includes/Supersedes #1202.
Fixes #927.
I only tested on OpenBSD (so far), hence the split, but other systems should just work.