50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package user
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import (
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"os"
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"os/user"
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"runtime"
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"strconv"
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)
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// Current is a portable implementation to determine the current user.
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// Golang's user.Current does not work reliably under docker or 32bit linux
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//
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// Two issues this code handles :-
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//
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// Docker Container - For static binaries NSS library will not be a part of the static binary hence user.Current() fails.
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// Linux Intel 32 bit - CGO is not enabled so it will not link with NSS library.
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//
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func Current() (*user.User, error) {
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if os.Getenv("DOCKERIMAGE") == "1" {
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wd, err := os.Getwd()
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if err != nil {
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return nil, err
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}
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return &user.User{Uid: "0", Gid: "0", Username: "root", Name: "root", HomeDir: wd}, nil
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}
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if runtime.GOARCH == "386" && runtime.GOOS == "linux" {
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return &user.User{
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Uid: strconv.Itoa(os.Getuid()),
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Gid: strconv.Itoa(os.Getgid()),
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Username: os.Getenv("USER"),
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Name: os.Getenv("USER"),
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HomeDir: os.Getenv("HOME"),
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}, nil
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}
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user, e := user.Current()
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if e != nil {
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return nil, e
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}
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return user, nil
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}
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// HomeDir - return current home directory.
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func HomeDir() (string, error) {
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user, err := Current()
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if err != nil {
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return "", err
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}
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return user.HomeDir, nil
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}
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