50 lines
1.7 KiB
Plaintext
50 lines
1.7 KiB
Plaintext
--:Minify:--
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local args = {...}
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local i = 1
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local opt = {}
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while i <= #args do
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local a = args[i]
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if a == "-l" then i=i+1; opt.newname = args[i]
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elseif a == "-p" then i=i+1; opt.password = args[i]
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elseif a == "-g" then i=i+1; opt.gid = tonumber(args[i])
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elseif a == "-d" then i=i+1; opt.homedir = args[i]
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elseif a == "-s" then i=i+1; opt.shell = args[i]
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elseif a == "-L" then opt.lock = true
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elseif a == "-U" then opt.unlock = true
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elseif a:sub(1,1) ~= "-" then opt.username = a
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else print("usermod: unknown option: " .. a); syscall.exit(1); return end
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i = i + 1
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end
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if not opt.username then
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print("Usage: usermod [-l newname] [-p password] [-g gid] [-d homedir] [-s shell] [-L] [-U] <username>")
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syscall.exit(1); return
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end
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if opt.lock and opt.unlock then
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print("usermod: -L and -U are mutually exclusive")
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syscall.exit(1); return
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end
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local uid = syscall.auth_getuid(opt.username)
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if not uid then
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print("usermod: user '" .. opt.username .. "' does not exist")
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syscall.exit(1); return
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end
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local function apply(fn, ...)
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local ok, err = fn(...)
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if not ok then print("usermod: " .. tostring(err)); syscall.exit(1) end
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end
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if opt.newname then apply(syscall.auth_setusername, uid, opt.newname) end
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if opt.password then apply(syscall.auth_setpassword, uid, opt.password) end
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if opt.gid then apply(syscall.auth_setgid, uid, opt.gid) end
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if opt.homedir then apply(syscall.auth_sethomedir, uid, opt.homedir) end
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if opt.shell then apply(syscall.auth_setshell, uid, opt.shell) end
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if opt.lock then apply(syscall.auth_lockuser, uid) end
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if opt.unlock then apply(syscall.auth_unlockuser, uid) end
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print("usermod: updated user '" .. opt.username .. "'")
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