Annotate

core/certmanager.lua @ 6600:b1c84d220c40 0.9.8

mod_s2s: to/from attributes are required on s2s stream headers. Set them to '' when not available. Fixes #468.
author Matthew Wild <mwild1@gmail.com>
date Tue, 24 Mar 2015 16:03:37 +0000
parent 6496:e4b998ffc922
child 6501:71b6e8b48a12
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
9a96969d4670 certmanager: Added copyright header.
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local configmanager = require "core.configmanager";
2630
e8fc67b73820 certmanager: Bring back the friendly errors when failing to load the key/certificate file
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10 local log = require "util.logger".init("certmanager");
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11 local ssl = ssl;
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6b4fe320a6ea certmanager: Fix traceback with no LuaSec
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12 local ssl_newcontext = ssl and ssl.newcontext;
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13
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e79e4d1f75de certmanager: Remove unused import of setmetatable
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14 local tostring = tostring;
5820
6bc4077bc1f9 certmanager: Fix dhparam callback, missing imports (Testing, pfft)
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15 local type = type;
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16 local io_open = io.open;
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17
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18 local prosody = prosody;
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954b1159f2f3 prosody, configmanager, certmanager: Relocate prosody.resolve_relative_path() to configmanager, and update certmanager (the only user of this function)
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19 local resolve_path = configmanager.resolve_relative_path;
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dfc369314e53 prosody.resolve_relative_path: Updated to take a parent path to resolve against.
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20 local config_path = prosody.paths.config;
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21
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22 local luasec_has_noticket, luasec_has_verifyext, luasec_has_no_compression;
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23 if ssl then
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24 local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
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25 luasec_has_noticket = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=4;
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26 luasec_has_verifyext = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
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27 luasec_has_no_compression = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
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28 end
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0b8134015635 certmanager: Don't use no_ticket option before LuaSec 0.4
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29
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30 module "certmanager"
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31
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32 -- Global SSL options if not overridden per-host
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898454038524 core.*: Complete removal of all traces of the "core" section and section-related code.
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33 local default_ssl_config = configmanager.get("*", "ssl");
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34 local default_capath = "/etc/ssl/certs";
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35 local default_verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none";
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e4b998ffc922 certmanager, net.http: Disable SSLv3 by default
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36 local default_options = { "no_sslv2", "no_sslv3", "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil };
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37 local default_verifyext = { "lsec_continue", "lsec_ignore_purpose" };
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38
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39 if ssl and not luasec_has_verifyext and ssl.x509 then
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40 -- COMPAT mw/luasec-hg
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41 for i=1,#default_verifyext do -- Remove lsec_ prefix
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42 default_verify[#default_verify+1] = default_verifyext[i]:sub(6);
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43 end
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44 end
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45 if luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true then
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46 default_options[#default_options+1] = "no_compression";
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47 end
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48
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49 if luasec_has_no_compression then -- Has no_compression? Then it has these too...
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50 default_options[#default_options+1] = "single_dh_use";
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51 default_options[#default_options+1] = "single_ecdh_use";
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52 end
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53
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675d65036f31 certmanager, hostmanager, mod_tls: Move responsibility for creating per-host SSL contexts to mod_tls, meaning reloading certs is now as trivial as reloading mod_tls
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54 function create_context(host, mode, user_ssl_config)
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55 user_ssl_config = user_ssl_config or default_ssl_config;
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56
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502a634f0578 Merge 0.7->trunk
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57 if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
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58 if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
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59
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60 local ssl_config = {
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61 mode = mode;
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62 protocol = user_ssl_config.protocol or "sslv23";
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63 key = resolve_path(config_path, user_ssl_config.key);
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64 password = user_ssl_config.password or function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end;
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65 certificate = resolve_path(config_path, user_ssl_config.certificate);
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66 capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
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67 cafile = resolve_path(config_path, user_ssl_config.cafile);
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68 verify = user_ssl_config.verify or default_verify;
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69 verifyext = user_ssl_config.verifyext or default_verifyext;
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70 options = user_ssl_config.options or default_options;
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71 depth = user_ssl_config.depth;
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c1021a2e7071 certmanager: Set ssl.curve to 'secp384r1' by default, to enable ECC ciphers
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72 curve = user_ssl_config.curve or "secp384r1";
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f7601ce30cfc certmanager: Further cipher string tweaking. Re-enable ciphers required for DSA and ECDH certs/keys.
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73 ciphers = user_ssl_config.ciphers or "HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK:!SRP:!3DES:!aNULL";
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74 dhparam = user_ssl_config.dhparam;
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75 };
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76
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77 -- LuaSec expects dhparam to be a callback that takes two arguments.
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78 -- We ignore those because it is mostly used for having a separate
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79 -- set of params for EXPORT ciphers, which we don't have by default.
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80 if type(ssl_config.dhparam) == "string" then
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81 local f, err = io_open(resolve_path(config_path, ssl_config.dhparam));
5816
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82 if not f then return nil, "Could not open DH parameters: "..err end
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83 local dhparam = f:read("*a");
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84 f:close();
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85 ssl_config.dhparam = function() return dhparam; end
5816
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86 end
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87
3355
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88 local ctx, err = ssl_newcontext(ssl_config);
4359
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
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89
5815
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Matthew Wild <mwild1@gmail.com>
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90 -- COMPAT: LuaSec 0.4.1 ignores the cipher list from the config, so we have to take
b93d096607b4 certmanager: Fix for working around a bug with LuaSec 0.4.1 that causes it to not honour the 'ciphers' option. This change will apply 0.9's default cipher string for LuaSec 0.4.1 users.
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parents: 5745
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91 -- care of it ourselves...
b93d096607b4 certmanager: Fix for working around a bug with LuaSec 0.4.1 that causes it to not honour the 'ciphers' option. This change will apply 0.9's default cipher string for LuaSec 0.4.1 users.
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92 if ctx and ssl_config.ciphers then
4359
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93 local success;
5815
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94 success, err = ssl.context.setcipher(ctx, ssl_config.ciphers);
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95 if not success then ctx = nil; end
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96 end
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97
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98 if not ctx then
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99 err = err or "invalid ssl config"
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100 local file = err:match("^error loading (.-) %(");
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101 if file then
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102 if file == "private key" then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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103 file = ssl_config.key or "your private key";
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104 elseif file == "certificate" then
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105 file = ssl_config.certificate or "your certificate file";
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106 end
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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107 local reason = err:match("%((.+)%)$") or "some reason";
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108 if reason == "Permission denied" then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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109 reason = "Check that the permissions allow Prosody to read this file.";
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110 elseif reason == "No such file or directory" then
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111 reason = "Check that the path is correct, and the file exists.";
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112 elseif reason == "system lib" then
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113 reason = "Previous error (see logs), or other system error.";
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114 elseif reason == "(null)" or not reason then
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115 reason = "Check that the file exists and the permissions are correct";
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116 else
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117 reason = "Reason: "..tostring(reason):lower();
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118 end
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119 log("error", "SSL/TLS: Failed to load '%s': %s (for %s)", file, reason, host);
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120 else
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121 log("error", "SSL/TLS: Error initialising for %s: %s", host, err);
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122 end
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123 end
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124 return ctx, err;
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125 end
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126
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127 function reload_ssl_config()
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128 default_ssl_config = configmanager.get("*", "ssl");
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129 end
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130
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131 prosody.events.add_handler("config-reloaded", reload_ssl_config);
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132
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133 return _M;