diff options
| -rw-r--r-- | plugins/mod_mimicking.lua | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/plugins/mod_mimicking.lua b/plugins/mod_mimicking.lua index 43d165d2..b586a70c 100644 --- a/plugins/mod_mimicking.lua +++ b/plugins/mod_mimicking.lua @@ -22,22 +22,34 @@ function module.load() end module:hook("user-registered", function(user) - skeletons:set(skeleton(user.username), { username = user.username }); + local skel = skeleton(user.username); + local ok, err = skeletons:set(skel, { username = user.username }); + if not ok then + module:log("error", "Unable to store mimicry data (%q => %q): %s", user.username, skel, err); + end end); module:hook("user-deleted", function(user) - skeletons:set(skeleton(user.username), nil); + local skel = skeleton(user.username); + local ok, err = skeletons:set(skel, nil); + if not ok and err then + module:log("error", "Unable to clear mimicry data (%q): %s", skel, err); + end end); module:hook("user-registering", function(user) - if skeletons:get(skeleton(user.username)) then + local existing, err = skeletons:get(skeleton(user.username)); + if existing then + module:log("debug", "Attempt to register username '%s' which could be confused with '%s'", user.username, existing.username); user.allowed = false; + elseif err then + module:log("error", "Unable to check if new username '%s' can be confused with any existing user: %s", err); end end); function module.command(arg) if (arg[1] ~= "bootstrap" or not arg[2]) then - usage("mod_mimicking bootstrap <host>", "Initialize username mimicry index"); + usage("mod_mimicking bootstrap <host>", "Initialize username mimicry database"); return; end @@ -53,7 +65,21 @@ function module.command(arg) skeletons = storagemanager.open(host, "skeletons"); + local count = 0; for user in usermanager.users(host) do - skeletons:set(skeleton(user), { username = user }); + local skel = skeleton(user); + local existing, err = skeletons:get(skel); + if existing and existing.username ~= user then + module:log("warn", "Existing usernames '%s' and '%s' are confusable", existing.username, user); + elseif err then + module:log("error", "Error checking for existing mimicry data (%q = %q): %s", user, skel, err); + end + local ok, err = skeletons:set(skel, { username = user }); + if ok then + count = count + 1; + elseif err then + module:log("error", "Unable to store mimicry data (%q => %q): %s", user, skel, err); + end end + module:log("info", "%d usernames indexed", count); end |