yggdrasil-network/yggdrasil-go
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Rewrite chuser() for simplicity and correctness

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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 #1202.
Fixes #927.

I only tested on OpenBSD (so far), hence the split, but other systems
should just work.
This commit is contained in:
Klemens Nanni 2024-11-04 05:24:08 +03:00
parent 75d2080e53
commit a0bfd9da44
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2 changed files with 59 additions and 2 deletions
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4
cmd/yggdrasil/chuser_unix.go
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@ -1,5 +1,5 @@
//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || solaris
// +build aix darwin dragonfly freebsd linux netbsd solaris
package main