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81bce74612
* greeter: Detect user and group used by greetd On most distros greetd runs as user and group "greeter", but on Debian the user and group "_greetd" are used. * greeter: Use correct group in sync command * greeter: more generic group detection --------- Co-authored-by: bbedward <bbedward@gmail.com>
38 lines
698 B
Go
38 lines
698 B
Go
package utils
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import (
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"os"
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"strings"
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)
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func HasGroup(groupName string) bool {
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return HasGroupIn(groupName, "/etc/group")
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}
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func HasGroupIn(groupName, path string) bool {
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data, err := os.ReadFile(path)
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if err != nil {
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return false
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}
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return HasGroupData(groupName, string(data))
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}
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func HasGroupData(groupName, data string) bool {
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prefix := groupName + ":"
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for line := range strings.SplitSeq(data, "\n") {
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if strings.HasPrefix(line, prefix) {
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return true
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}
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}
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return false
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}
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func FindGroupData(data string, candidates ...string) (string, bool) {
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for _, candidate := range candidates {
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if HasGroupData(candidate, data) {
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return candidate, true
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}
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}
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return "", false
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}
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