X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;ds=sidebyside;f=core%2Fcertmanager.lua;h=dc08cb78456e7a246d0e8fa6f072b72a8c739890;hb=5a268f4d0caa5b7c992de490cdf4b876ef5c2006;hp=c2db63fe623f8a0bdc8fb9983b960b855c854853;hpb=4d6ba0b0c6353d685447d0441c8246bf7b0d5926;p=prosody.git diff --git a/core/certmanager.lua b/core/certmanager.lua index c2db63fe..dc08cb78 100644 --- a/core/certmanager.lua +++ b/core/certmanager.lua @@ -1,60 +1,127 @@ +-- Prosody IM +-- Copyright (C) 2008-2010 Matthew Wild +-- Copyright (C) 2008-2010 Waqas Hussain +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + local configmanager = require "core.configmanager"; local log = require "util.logger".init("certmanager"); local ssl = ssl; local ssl_newcontext = ssl and ssl.newcontext; -local setmetatable = setmetatable; +local tostring = tostring; +local pairs = pairs; local prosody = prosody; +local resolve_path = configmanager.resolve_relative_path; +local config_path = prosody.paths.config; + +local luasec_has_noticket, luasec_has_verifyext, luasec_has_no_compression; +if ssl then + local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)"); + luasec_has_noticket = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=4; + luasec_has_verifyext = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5; + luasec_has_no_compression = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5; +end module "certmanager" --- These are the defaults if not overridden in the config -local default_ssl_ctx = { mode = "client", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; }; -local default_ssl_ctx_in = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; }; +-- Global SSL options if not overridden per-host +local global_ssl_config = configmanager.get("*", "ssl"); -local default_ssl_ctx_mt = { __index = default_ssl_ctx }; -local default_ssl_ctx_in_mt = { __index = default_ssl_ctx_in }; +local core_defaults = { + capath = "/etc/ssl/certs"; + protocol = "sslv23"; + verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none"; + options = { "no_sslv2", luasec_has_noticket and "no_ticket" or nil }; + verifyext = { "lsec_continue", "lsec_ignore_purpose" }; + curve = "secp384r1"; + ciphers = "HIGH:!DSS:!aNULL@STRENGTH"; +} +local path_options = { -- These we pass through resolve_path() + key = true, certificate = true, cafile = true, capath = true +} --- Global SSL options if not overridden per-host -local default_ssl_config = configmanager.get("*", "core", "ssl"); - -function create_context(host, mode, config) - local ssl_config = config and config.core.ssl or default_ssl_config; - if ssl and ssl_config then - local ctx, err = ssl_newcontext(setmetatable(ssl_config, mode == "client" and default_ssl_ctx_mt or default_ssl_ctx_in_mt)); - if not ctx then - err = err or "invalid ssl config" - local file = err:match("^error loading (.-) %("); - if file then - if file == "private key" then - file = ssl_config.key or "your private key"; - elseif file == "certificate" then - file = ssl_config.certificate or "your certificate file"; - end - local reason = err:match("%((.+)%)$") or "some reason"; - if reason == "Permission denied" then - reason = "Check that the permissions allow Prosody to read this file."; - elseif reason == "No such file or directory" then - reason = "Check that the path is correct, and the file exists."; - elseif reason == "system lib" then - reason = "Previous error (see logs), or other system error."; - else - reason = "Reason: "..tostring(reason or "unknown"):lower(); - end - log("error", "SSL/TLS: Failed to load %s: %s", file, reason); +if ssl and not luasec_has_verifyext and ssl.x509 then + -- COMPAT mw/luasec-hg + for i=1,#core_defaults.verifyext do -- Remove lsec_ prefix + core_defaults.verify[#core_defaults.verify+1] = core_defaults.verifyext[i]:sub(6); + end +end + +if luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true then + core_defaults.options[#core_defaults.options+1] = "no_compression"; +end + +function create_context(host, mode, user_ssl_config) + user_ssl_config = user_ssl_config or {} + user_ssl_config.mode = mode; + + if not ssl then return nil, "LuaSec (required for encryption) was not found"; end + + if global_ssl_config then + for option,default_value in pairs(global_ssl_config) do + if not user_ssl_config[option] then + user_ssl_config[option] = default_value; + end + end + end + for option,default_value in pairs(core_defaults) do + if not user_ssl_config[option] then + user_ssl_config[option] = default_value; + end + end + user_ssl_config.password = user_ssl_config.password or function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end; + for option in pairs(path_options) do + user_ssl_config[option] = user_ssl_config[option] and resolve_path(config_path, user_ssl_config[option]); + end + + if not user_ssl_config.key then return nil, "No key present in SSL/TLS configuration for "..host; end + if not user_ssl_config.certificate then return nil, "No certificate present in SSL/TLS configuration for "..host; end + + local ctx, err = ssl_newcontext(user_ssl_config); + + -- COMPAT Older LuaSec ignores the cipher list from the config, so we have to take care + -- of it ourselves (W/A for #x) + if ctx and user_ssl_config.ciphers then + local success; + success, err = ssl.context.setcipher(ctx, user_ssl_config.ciphers); + if not success then ctx = nil; end + end + + if not ctx then + err = err or "invalid ssl config" + local file = err:match("^error loading (.-) %("); + if file then + if file == "private key" then + file = user_ssl_config.key or "your private key"; + elseif file == "certificate" then + file = user_ssl_config.certificate or "your certificate file"; + end + local reason = err:match("%((.+)%)$") or "some reason"; + if reason == "Permission denied" then + reason = "Check that the permissions allow Prosody to read this file."; + elseif reason == "No such file or directory" then + reason = "Check that the path is correct, and the file exists."; + elseif reason == "system lib" then + reason = "Previous error (see logs), or other system error."; + elseif reason == "(null)" or not reason then + reason = "Check that the file exists and the permissions are correct"; else - log("error", "SSL/TLS: Error initialising for host %s: %s", host, err ); + reason = "Reason: "..tostring(reason):lower(); end - ssl = false - end - return ctx, err; + log("error", "SSL/TLS: Failed to load '%s': %s (for %s)", file, reason, host); + else + log("error", "SSL/TLS: Error initialising for %s: %s", host, err); + end end - return nil; + return ctx, err; end function reload_ssl_config() - default_ssl_config = configmanager.get("*", "core", "ssl"); + global_ssl_config = configmanager.get("*", "ssl"); end prosody.events.add_handler("config-reloaded", reload_ssl_config);