prosody
e0713386319a
core/certmanager.lua

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core/certmanager.lua @ 6076:e0713386319a

certmanager: Wrap long line and add comment
author Kim Alvefur <zash@zash.se>
date Mon, 14 Apr 2014 23:41:26 +0200
parent 6075:524060125f9c
child 6077:6999d4415a58
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3369
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
diff changeset
1 -- Prosody IM
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
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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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bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5746
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4 --
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Waqas Hussain <waqas20@gmail.com>
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5 -- This project is MIT/X11 licensed. Please see the
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
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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";
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10 local log = require "util.logger".init("certmanager");
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11 local ssl = ssl;
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12 local ssl_newcontext = ssl and ssl.newcontext;
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13
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14 local tostring = tostring;
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15 local pairs = pairs;
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16 local type = type;
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17 local io_open = io.open;
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18 local t_concat = table.concat;
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19
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
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20 local prosody = prosody;
3609
954b1159f2f3 prosody, configmanager, certmanager: Relocate prosody.resolve_relative_path() to configmanager, and update certmanager (the only user of this function)
Matthew Wild <mwild1@gmail.com>
parents: 3571
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21 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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22 local config_path = prosody.paths.config;
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23
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24 local luasec_has_noticket, luasec_has_verifyext, luasec_has_no_compression;
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25 if ssl then
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26 local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
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27 luasec_has_noticket = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=4;
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28 luasec_has_verifyext = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
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29 luasec_has_no_compression = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
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30 end
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31
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32 module "certmanager"
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33
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34 -- Global SSL options if not overridden per-host
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35 local global_ssl_config = configmanager.get("*", "ssl");
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36
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37 local core_defaults = {
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38 capath = "/etc/ssl/certs";
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39 protocol = "sslv23";
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40 verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none";
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c1bc2c20a80a Merge 0.9->0.10
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41 options = { "no_sslv2", "no_sslv3", "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil };
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42 verifyext = { "lsec_continue", "lsec_ignore_purpose" };
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43 curve = "secp384r1";
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44 ciphers = "HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK:!SRP:!3DES:!aNULL";
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45 }
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46 local path_options = { -- These we pass through resolve_path()
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47 key = true, certificate = true, cafile = true, capath = true, dhparam = true
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48 }
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49
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50 if ssl and not luasec_has_verifyext and ssl.x509 then
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parents: 4992
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51 -- COMPAT mw/luasec-hg
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52 for i=1,#core_defaults.verifyext do -- Remove lsec_ prefix
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diff changeset
53 core_defaults.verify[#core_defaults.verify+1] = core_defaults.verifyext[i]:sub(6);
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54 end
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parents: 4992
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55 end
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parents:
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56
5678
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57 if luasec_has_no_compression then -- Has no_compression? Then it has these too...
5874
3321a4b3e6c4 certmanager: Fix. Again.
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parents: 5872
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58 core_defaults.options[#core_defaults.options+1] = "single_dh_use";
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59 core_defaults.options[#core_defaults.options+1] = "single_ecdh_use";
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1c3ebd3009fe certmanager: Add back single_dh_use and single_ecdh_use to default options (Zash breaks, Zash unbreaks)
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parents: 5822
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60 if configmanager.get("*", "ssl_compression") ~= true then
1c3ebd3009fe certmanager: Add back single_dh_use and single_ecdh_use to default options (Zash breaks, Zash unbreaks)
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61 core_defaults.options[#core_defaults.options+1] = "no_compression";
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62 end
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63 end
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parents: 5676
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64
3571
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
Matthew Wild <mwild1@gmail.com>
parents: 3540
diff changeset
65 function create_context(host, mode, user_ssl_config)
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66 user_ssl_config = user_ssl_config or {}
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67 user_ssl_config.mode = mode;
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68
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69 if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
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70
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71 if global_ssl_config then
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72 for option,default_value in pairs(global_ssl_config) do
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73 if user_ssl_config[option] == nil then
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74 user_ssl_config[option] = default_value;
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75 end
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76 end
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77 end
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78
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79 for option,default_value in pairs(core_defaults) do
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80 if user_ssl_config[option] == nil then
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81 user_ssl_config[option] = default_value;
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82 end
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83 end
6076
e0713386319a certmanager: Wrap long line and add comment
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84
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85 -- We can't read the password interactively when daemonized
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86 user_ssl_config.password = user_ssl_config.password or
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87 function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end;
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88
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89 for option in pairs(path_options) do
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90 if type(user_ssl_config[option]) == "string" then
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91 user_ssl_config[option] = resolve_path(config_path, user_ssl_config[option]);
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92 end
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93 end
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94
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95 -- Allow the cipher list to be a table
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96 if type(user_ssl_config.ciphers) == "table" then
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97 user_ssl_config.ciphers = t_concat(user_ssl_config.ciphers, ":")
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98 end
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99
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100 if mode == "server" then
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101 if not user_ssl_config.key then return nil, "No key present in SSL/TLS configuration for "..host; end
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102 if not user_ssl_config.certificate then return nil, "No certificate present in SSL/TLS configuration for "..host; end
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103 end
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104
5816
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105 -- LuaSec expects dhparam to be a callback that takes two arguments.
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106 -- We ignore those because it is mostly used for having a separate
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107 -- set of params for EXPORT ciphers, which we don't have by default.
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108 if type(user_ssl_config.dhparam) == "string" then
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109 local f, err = io_open(user_ssl_config.dhparam);
5816
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110 if not f then return nil, "Could not open DH parameters: "..err end
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111 local dhparam = f:read("*a");
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112 f:close();
5822
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113 user_ssl_config.dhparam = function() return dhparam; end
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114 end
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115
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116 local ctx, err = ssl_newcontext(user_ssl_config);
4359
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Waqas Hussain <waqas20@gmail.com>
parents: 3670
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117
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118 -- COMPAT Older LuaSec ignores the cipher list from the config, so we have to take care
4359
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119 -- of it ourselves (W/A for #x)
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
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120 if ctx and user_ssl_config.ciphers then
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
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parents: 3670
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121 local success;
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
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122 success, err = ssl.context.setcipher(ctx, user_ssl_config.ciphers);
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
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123 if not success then ctx = nil; end
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
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124 end
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
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125
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9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
126 if not ctx then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
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127 err = err or "invalid ssl config"
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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parents: 2739
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128 local file = err:match("^error loading (.-) %(");
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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parents: 2739
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129 if file then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
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130 if file == "private key" then
5684
5554029d759b certmanager: Overhaul of how ssl configs are built.
Kim Alvefur <zash@zash.se>
parents: 5679
diff changeset
131 file = user_ssl_config.key or "your private key";
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9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
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132 elseif file == "certificate" then
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5554029d759b certmanager: Overhaul of how ssl configs are built.
Kim Alvefur <zash@zash.se>
parents: 5679
diff changeset
133 file = user_ssl_config.certificate or "your certificate file";
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9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
134 end
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
135 local reason = err:match("%((.+)%)$") or "some reason";
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
136 if reason == "Permission denied" then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
137 reason = "Check that the permissions allow Prosody to read this file.";
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
138 elseif reason == "No such file or directory" then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
139 reason = "Check that the path is correct, and the file exists.";
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
140 elseif reason == "system lib" then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
141 reason = "Previous error (see logs), or other system error.";
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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parents: 2739
diff changeset
142 elseif reason == "(null)" or not reason then
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
143 reason = "Check that the file exists and the permissions are correct";
2630
e8fc67b73820 certmanager: Bring back the friendly errors when failing to load the key/certificate file
Matthew Wild <mwild1@gmail.com>
parents: 2564
diff changeset
144 else
3355
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
145 reason = "Reason: "..tostring(reason):lower();
2630
e8fc67b73820 certmanager: Bring back the friendly errors when failing to load the key/certificate file
Matthew Wild <mwild1@gmail.com>
parents: 2564
diff changeset
146 end
4925
55f6e0673e33 certmanager: Add quotes around cert file path when logging.
Waqas Hussain <waqas20@gmail.com>
parents: 4900
diff changeset
147 log("error", "SSL/TLS: Failed to load '%s': %s (for %s)", file, reason, host);
3355
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
148 else
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a31ea431d906 certmanager: Adjust error messages to be non-specific about 'host' (so we can specify a service name instead ffor SSL)
Matthew Wild <mwild1@gmail.com>
parents: 4656
diff changeset
149 log("error", "SSL/TLS: Error initialising for %s: %s", host, err);
3355
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
Matthew Wild <mwild1@gmail.com>
parents: 2739
diff changeset
150 end
3540
bc139431830b Monster whitespace commit (beware the whitespace monster).
Waqas Hussain <waqas20@gmail.com>
parents: 3402
diff changeset
151 end
bc139431830b Monster whitespace commit (beware the whitespace monster).
Waqas Hussain <waqas20@gmail.com>
parents: 3402
diff changeset
152 return ctx, err;
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 end
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 function reload_ssl_config()
5684
5554029d759b certmanager: Overhaul of how ssl configs are built.
Kim Alvefur <zash@zash.se>
parents: 5679
diff changeset
156 global_ssl_config = configmanager.get("*", "ssl");
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 end
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 prosody.events.add_handler("config-reloaded", reload_ssl_config);
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 return _M;