76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package args
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import (
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`errors`
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`os/user`
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`strconv`
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)
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// ModesAndOwners returns the evaluated file UID, file GID, dir UID, dir GID, file mode, and dir mode for a UDS socket.
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func (a *Args) ModesAndOwners() (perms UdsPerms, err error) {
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var idInt int
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var uGid int
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var u *user.User
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var g *user.Group
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var nErr *strconv.NumError = new(strconv.NumError)
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perms.FMode = a.SockMode
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perms.DMode = a.SockDirMode
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// UID is always this user
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if u, err = user.Current(); err != nil {
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return
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}
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if perms.UID, err = strconv.Atoi(u.Uid); err != nil {
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return
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}
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if g, err = user.LookupGroupId(u.Gid); err != nil {
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return
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}
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if uGid, err = strconv.Atoi(g.Gid); err != nil {
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return
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}
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perms.FGID = uGid
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if a.SockGrp != nil {
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// First try a direct GID.
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if idInt, err = strconv.Atoi(*a.SockGrp); err != nil {
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if errors.As(err, &nErr) {
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err = nil
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// And then try a group name.
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if g, err = user.LookupGroup(*a.SockGrp); err != nil {
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return
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}
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if idInt, err = strconv.Atoi(g.Gid); err != nil {
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return
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}
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} else {
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return
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}
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}
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perms.FGID = idInt
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}
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perms.DGID = uGid
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if a.SockDirGrp != nil {
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// First try a direct GID.
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if idInt, err = strconv.Atoi(*a.SockDirGrp); err != nil {
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if errors.As(err, &nErr) {
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err = nil
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// And then try a group name.
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if g, err = user.LookupGroup(*a.SockDirGrp); err != nil {
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return
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}
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if idInt, err = strconv.Atoi(g.Gid); err != nil {
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return
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}
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} else {
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return
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}
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}
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perms.DGID = idInt
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}
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return
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}
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